Automatic water supply steam heating structure

The design of the automatic water supply and steam heating structure solves the problems of inconvenient water addition and steam waste in electric steamers, realizes water level monitoring and steam recovery, and improves the safety and energy efficiency of electric steamers.

CN223525117UActive Publication Date: 2025-11-07SHIGUANG TECHNOLOGY HOLDINGS (GUANGDONG) CO LTD
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Patent Information

Application Number
CN202422853126.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-11-07
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Existing electric steamers are prone to overflow or dry burning during water filling, and have low steam utilization and serious energy waste.

Method used

Design an automatic water supply and steam heating structure, including a water tank assembly, a heating assembly, a water level sensor, and a water pump, to achieve real-time water level monitoring and steam reflux, and combine it with a control unit for intelligent control.

Benefits of technology

It enables real-time monitoring and automatic adjustment of the water level inside the electric steamer, preventing dry burning or overflow, and recovering and reusing steam to reduce energy consumption and keep the steamer clean.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic water supply steam heating structure which is arranged in an installation space between an inner box and an outer box of a steam box and comprises a water tank assembly, a heating assembly and a first water pump. The water tank assembly is arranged on the outer side of the inner box and used for supplying water to the heating assembly. The heating assembly is arranged at the bottom of the inner box and used for emitting steam to the inner box; the heating assembly is provided with a first water level sensor, and the first water level sensor is used for monitoring the water level in the heating assembly; the water inlet end of the first water pump is connected to the water tank assembly through a pipeline, the water outlet end of the first water pump is connected to the heating assembly through a pipeline, and the first water pump is used for adding water into the heating assembly; a steam outlet is formed in the upper end of the inner box and connected to the water tank assembly through a pipeline. Water level information in the electric steam box can be detected in real time, steam in the steam box can be recycled, and dry burning due to water shortage or water overflow in the box can be prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electric steamer, in particular to a kind of automatic water supply heating steam structure. BACKGROUND

[0002] The water of existing electric inner box is added by external water box or built-in water box, and water level in water box needs to be noticed at all times, if too much water is added, it is easy to overflow, resulting in electric inner box water leakage, damaging the components of inner box, if water shortage occurs during cooking, it will cause electric inner box dry burning, affecting the service life of electric inner box, in addition, when steaming food or material, steam is directly discharged to outdoor through steam exhaust pipe, which wastes a lot of energy, causes steaming time to be lengthened, steam effective utilization rate to be reduced and energy consumption to be high. SUMMARY

[0003] Therefore, the utility model discloses the purpose to provide a kind of automatic water supply heating steam structure, can detect the water level information in electric steamer in real time and recycle and utilize the steam in steamer, prevent dry burning or water full overflow in box from water shortage.

[0004] The utility model discloses the purpose to realize by the following technical scheme:

[0005] A kind of automatic water supply heating steam structure, it is set in the installation space between the inner box and outer box of steamer, it includes water tank assembly, heating assembly and first water pump;The water tank assembly is set to the outside of inner box, for water supply to heating assembly;The heating assembly is set to the bottom of the inner box, for emitting steam to inner box;The heating assembly is provided with first water level sensor, and the first water level sensor is used to monitor the water level in the heating assembly;The water inlet end of the first water pump is connected to the water tank assembly by pipeline, and the water outlet end of the first water pump is connected to the heating assembly by pipeline, for water adding to the heating assembly;The upper end of the inner box is provided with steam outlet, and the steam outlet is connected to the water tank assembly by pipeline.

[0006] Further, the water tank assembly includes water tank, water inlet pipe, water outlet port, steam port and water level monitoring component, the water level monitoring component, water inlet pipe, water outlet port and steam port are set on the water tank, the water level monitoring component is used to monitor the water level of the water tank, the water inlet pipe is used to supply water to the water tank, the water outlet port is connected with the water inlet end of the first water pump by pipeline, and the steam outlet is connected with the steam port by pipeline so that steam returns to the water tank.

[0007] Further, the water level monitoring component includes upper water level sensor installed on the upper end in the water tank and lower water level sensor installed on the lower end in the water tank, and is used to monitor the highest water level and the lowest water level in the water tank respectively.

[0008] Further, the heating assembly comprises a base, a heating disc, a water storage tank and a cover plate, the heating disc is arranged in the base, the water storage tank is arranged on the base, the first water level sensor is used for monitoring the water level of the water storage tank, and the cover plate is provided with a plurality of through holes for steam flow.

[0009] Further, the heating assembly comprises a base, a heating disc, a water storage tank and a cover plate, the heating disc is arranged in the base, the water storage tank is arranged on the base, the first water level sensor is used for monitoring the water level of the water storage tank, and the cover plate is provided with a plurality of through holes for steam flow.

[0010] Further, the cover plate is provided with a water inlet for adding water, and the water inlet is connected with the water outlet end of the first water pump through a pipeline.

[0011] Further, the automatic water supply and heating steam structure further comprises a second water pump and a drain pipe, the sidewall of the water storage tank is provided with a water outlet, the water inlet end of the second water pump is connected with the water outlet through a pipeline, and the water outlet end of the second water pump is connected with the drain pipe through a pipeline, so as to drain the heating assembly.

[0012] Further, the automatic water supply and heating steam structure further comprises a pressure detector and a pressure relief valve, and the pressure detector and the pressure relief valve are arranged on the inner box and used for detecting and maintaining the pressure of the inner box.

[0013] Further, the automatic water supply and heating steam structure further comprises a control unit, and the control unit is electrically connected with the water tank assembly, the heating assembly and the first water pump, and is used for intelligently controlling the steam box.

[0014] Further, the control unit comprises a power supply assembly and a control panel, the power supply assembly is arranged in the mounting space between the outer box and the inner box, and the control panel is arranged on the outer box.

[0015] The beneficial effects of the utility model are as follows:

[0016] In the utility model, the water level sensor transmits the water level signal to the control unit, the water level information in the electric steam box is detected in real time, the water level is maintained at a normal level, and the water shortage dry burning or water overflow in the box is prevented.

[0017] In the utility model, the steam can flow back to the water tank and continue to supply the heating assembly, the steam in the steam box is prevented from being discharged to the outside of the steam box, and the energy consumption is reduced.

[0018] The utility model further arranges the second water pump and the drain pipe, can automatically drain water, can drain the residual water in the heating assembly before the steam box is used or is stopped, maintains the cleanliness of the steam box, and protects the steam box. DRAWINGS

[0019] Figure 1 It is the whole structure schematic view of the automatic water supply heating steam structure of the utility model;

[0020] Figure 2 It is the internal structure schematic view of the automatic water supply heating steam structure of the utility model;

[0021] Figure 3 It is the internal structure schematic view of the automatic water supply heating steam structure of the utility model from another perspective;

[0022] Figure 4 It is the structure schematic view of the heating assembly in the automatic water supply heating steam structure of the utility model;

[0023] Figure 5 It is the exploded structure schematic view of the heating assembly in the automatic water supply heating steam structure of the utility model;

[0024] Reference signs:

[0025] 10-inner box; 11-steam outlet; 12-pressure detector; 13-pressure relief valve;

[0026] 20-outer box; 21-control panel;

[0027] 31-water tank; 32-water inlet pipe; 33-water outlet port; 34-steam port; 35-water level monitoring assembly; 40-heating assembly; 41-base; 42-heating disc; 43-water storage tank; 44-cover plate; 45-bottom plate; 46-radiating fan; 47-through hole; 48-water inlet; 49-water outlet; 410-first water level sensor;

[0028] 50-first water pump; 60-second water pump; 70-drain pipe. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] In the description of this utility model, it should be noted that the terms "vertical direction," "up," "down," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or a connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] like Figures 1 to 5 As shown, this utility model embodiment provides an automatic water supply and steam heating structure, which is installed in the installation space between the inner box 10 and the outer box 20 of a steam oven. It includes a water tank assembly, a heating assembly 40, a first water pump 50, and a second water pump 60. The water tank assembly is located on the outside of the inner box 10 and is used to supply water to the heating assembly 40. The heating assembly 40 is located at the bottom of the inner box 10 and is used to emit steam into the inner box 10. The heating assembly 40 is equipped with a first water level sensor 410, which is used to monitor the water level inside the heating assembly 40. The inlet of the first water pump 50 is connected to the water tank assembly via a pipe, and the outlet of the first water pump 50 is connected to the heating assembly 40 via a pipe, for adding water to the heating assembly 40. A steam outlet 11 is provided at the upper end of the inner box 10, and the steam outlet 11 is connected to the water tank assembly via a pipe. The inlet of the second water pump 60 is connected to the heating assembly 40 via a pipe, for draining water from the heating assembly 40.

[0033] In this embodiment, as Figures 2 to 3As shown, the water tank assembly comprises a water tank 31, a water inlet pipe 32, a water outlet port 33, a steam port 34 and a water level monitoring assembly 35, the water level monitoring assembly 35, the water inlet pipe 32, the water outlet port 33 and the steam port 34 are arranged on the water tank 31, the water level monitoring assembly 35 is used for monitoring the water level of the water tank 31, the water inlet pipe 32 is used for supplying water to the water tank 31, the water outlet port 33 is connected with the water inlet end of the first water pump 50 through a pipeline, and the steam outlet 11 is connected with the steam port 34 through a pipeline so as to return the steam to the water tank 31. Specifically, the water level monitoring assembly 35 comprises an upper water level sensor arranged at the upper end in the water tank 31 and a lower water level sensor arranged at the lower end in the water tank 31, which are respectively used for monitoring the highest water level and the lowest water level in the water tank 31.

[0034] In the embodiment, as shown in the figure, Figures 4 to 5 The heating assembly 40 comprises a base 41, a bottom plate 45, a heating disc 42, a water storage groove 43 and a cover plate 44, the bottom plate 45 is arranged at the bottom of the base 41, a plurality of heat dissipation holes are arranged on the bottom plate 45, the heating disc 42 is arranged in the base 41, and a heat dissipation fan 46 is arranged between the bottom plate 45 and the heating disc 42, the water storage groove 43 is arranged on the base 41, a first water level sensor 410 is used for monitoring the water level of the water storage groove 43, a plurality of through holes 47 for steam flow and a water inlet 48 for adding water are arranged on the cover plate 44, and the water inlet 48 is connected with the water outlet end of the first water pump 50 through a pipeline.

[0035] In the embodiment, as shown in the figure, Figures 1 to 5 The automatic water supply and heating steam structure further comprises a drain pipe 70, a water outlet 49 is arranged on the side wall of the water storage groove 43, the water inlet end of the second water pump 60 is connected with the water outlet 49 through a pipeline, the water outlet end of the second water pump 60 is connected with the drain pipe 70 through a pipeline, and the drain pipe 70 is used for draining water from the heating assembly 40. The utility model sets the second water pump 60 and the drain pipe 70, can automatically drain water, can drain the residual water in the heating assembly 40 before use or when the steam oven is not used, so as to keep the steam oven clean and hygienic and protect the steam oven.

[0036] In the embodiment, as shown in the figure, Figures 1 to 5 The automatic water supply and heating steam structure further comprises a pressure detector 12 and a pressure relief valve 13, the pressure detector 12 and the pressure relief valve 13 are arranged on the inner tank 10 and are used for detecting and maintaining the pressure of the inner tank 10 to ensure the safety of the steam oven.

[0037] In the embodiment, as shown in the figure, Figures 1 to 5 The automatic water supply and heating steam structure further comprises a control unit, the control unit is electrically connected with the water tank assembly, the heating assembly 40, the first water pump 50 and the second water pump 60, and specifically, the control unit comprises a power supply assembly and a control panel 21, the power supply assembly is arranged in the mounting space between the outer tank 20 and the inner tank 10, and the control panel 21 is arranged on the outer tank 20.

[0038] In the utility model, the control unit controls the water tank 31 to automatically fill water, the control unit controls the heating assembly 40 to heat, the control unit controls the first water pump 50 to supply water to the heating assembly 40, and controls the second water pump 60 to drain water from the heating assembly 40, so that the water level in the steaming box is maintained at a normal level, and the steaming box is prevented from being dry-burned due to water shortage or overflowing due to water fullness.

[0039] The above only expresses the preferred technical scheme of the utility model, and the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, and the utility model also intends to include these changes and modifications.

Claims

1. An automatic water supply and heating steam structure provided in a mounting space between an inner case and an outer case of a steaming box, characterized in that: The water tank assembly includes a water tank, a water inlet pipe, a water outlet port, a steam port and a water level monitoring assembly. The water level monitoring assembly, the water inlet pipe, the water outlet port and the steam port are arranged on the water tank. The water level monitoring assembly is used to monitor the water level of the water tank. The water inlet pipe is used to supply water to the water tank. The water outlet port is connected to the water inlet end of the first water pump through a pipeline. The steam outlet is connected to the steam port through a pipeline so that steam can flow back to the water tank.

2. The automatic water supply heating vapor structure according to claim 1, characterized in that: The water level monitoring assembly includes an upper water level sensor installed on the upper end of the water tank and a lower water level sensor installed on the lower end of the water tank, which are used to monitor the highest and lowest water levels in the water tank, respectively.

3. The automatic water supply heating vapor structure according to claim 2, characterized in that: The heating assembly includes a base, a heating disc, a water storage tank and a cover plate. The heating disc is arranged in the base. The water storage tank is arranged on the base. The first water level sensor is used to monitor the water level of the water storage tank. The cover plate is provided with a plurality of through holes for steam flow.

4. The automatic water supply heating vapor structure according to claim 1, characterized in that: The heating assembly further includes a bottom plate arranged at the bottom of the base. A plurality of heat dissipation holes are arranged on the bottom plate. A heat dissipation fan is arranged between the bottom plate and the heating disc.

5. The automatic water supply heating vapor structure according to claim 4, characterized in that: The cover plate is provided with a water inlet for water filling. The water inlet is connected to the water outlet end of the first water pump through a pipeline.

6. The automatic water supply heating vapor structure according to claim 4, characterized in that: It further includes a second water pump and a drain pipe. The sidewall of the water storage tank is provided with a water outlet. The water inlet end of the second water pump is connected to the water outlet through a pipeline. The water outlet end of the second water pump is connected to the drain pipe through a pipeline, which is used to drain water from the heating assembly.

7. The automatic water supply heating vapor structure according to claim 4, characterized in that: It further includes a pressure detector and a pressure relief valve arranged on the inner tank for detecting and maintaining the pressure of the inner tank.

8. The automatic water supply heating vapor structure according to claim 1, characterized in that: It further includes a control unit electrically connected to the water tank assembly, the heating assembly and the first water pump for intelligent control of the steam tank.

9. The automatic water supply heating vapor structure according to claim 1, characterized in that: The control unit includes a power supply assembly and a control panel. The power supply assembly is arranged in the mounting space between the outer tank and the inner tank. The control panel is arranged on the outer tank.

10. The automatic water supply heating vapor structure according to claim 9, characterized in that: ​