Liquid heater capable of preventing dry burning based on weight control

By combining a weight sensor with a power control board in the health pot, the liquid weight is detected in real time to prevent dry burning, solving the problem of easy damage to traditional detection elements and achieving efficient dry burning protection.

CN223627332UActive Publication Date: 2025-12-05ZHONGSHAN JINGUANG HOUSEHOLD APPLIANCE MFG CO LTD
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Patent Information

Application Number
CN202423187531.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-05
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing anti-dry-burning detection elements for health-preserving kettles are prone to damage under prolonged high-temperature operation, leading to detection errors or failure, and thus failing to effectively prevent dry burning.

Method used

It uses a weight sensor combined with a power control board to detect the weight of the kettle to determine if there is liquid. If the weight is insufficient, it disconnects the heating power connection to achieve anti-dry-burn protection.

Benefits of technology

It achieves highly accurate anti-dry-burn detection, reduces the risk of sensor damage from high temperatures, and improves the reliability and safety of detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a liquid heater capable of preventing dry burning based on weight control, which comprises a heating main body with a heating function and a base assembly with a weighing function, the heating main body comprises a heating assembly, and the base assembly comprises a base and a weight sensor arranged on the base. The bottom of the heating body is elastically connected with a weight sensor on the base, a power control board electrically connected with the power input end is arranged in the heating body, and the power control board is electrically connected with the weight sensor and the heating assembly and disconnects electric connection of the heating body when the weight sensor detects that the weight of the health preserving kettle is smaller than a preset value. The weight of the health pot is weighed in real time through the weight sensor, so that whether liquid is contained in the health pot or not is judged, electric connection is disconnected when it is detected that no liquid is contained in the health pot, the dry burning prevention detection function is achieved, and the detection accuracy is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of liquid heater based on weight control to prevent dry burning. BACKGROUND

[0002] In the existing health pot, generally through the detection element such as temperature sensor is set to realize the dry burning detection of health pot, to prevent the pot from being heated without water or other liquid, to avoid the risk of possible fire or damage equipment. But health pot is used for a long time, since the dry burning detection element is worked in high temperature state for a long time, thus it is easy to detect error or even damage, so that dry burning detection function cannot be realized. SUMMARY

[0003] The utility model overcomes the insufficient of prior art, and provides a kind of liquid heater based on weight control to prevent dry burning.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of liquid heater based on weight control to prevent dry burning, characterized by: heating main body with heating function, and base assembly with weighing function, heating main body includes heating assembly, base assembly includes base and the weight sensor being set on base, heating main body bottom and the weight sensor on base are elastically connected, power control board is arranged in heating main body and is electrically connected with power input end, power control board is electrically connected with weight sensor and heating assembly respectively and disconnects heating main body electrical connection when weight sensor detects that the weight of health pot is less than preset value.

[0006] The utility model as claimed in claim 1, characterized by: the fire end of power input end is connected with power control board through fuse, the zero line end of power input end is connected with power control board and heating assembly one end respectively after temperature limiter, and the other end of heating assembly is connected with power control board.

[0007] The utility model as claimed in claim 1, characterized by: display assembly for displaying weighing information and heating information is arranged on power control board and is arranged towards the side of heating main body.

[0008] The utility model as claimed in claim 1, characterized by: support plate is arranged on the bottom of heating main body, and support plate is elastically connected with weight sensor.

[0009] The utility model as claimed in claim 1, characterized by: heating main body further includes heat insulation disc being arranged outside heating assembly and being connected with heating assembly, and heat insulation disc is connected with support plate.

[0010] The liquid heater for preventing dry burning based on weight control as described above is characterized in that the heating main body further comprises a heating main body shell arranged outside the heat insulation disc.

[0011] The liquid heater for preventing dry burning based on weight control as described above is characterized in that the bottom of the heat insulation disc is provided with a plurality of connecting supports connected with the supporting plate.

[0012] The liquid heater for preventing dry burning based on weight control as described above is characterized in that the side surface of the heating main body shell is provided with a plurality of ventilation holes.

[0013] The liquid heater for preventing dry burning based on weight control as described above is characterized in that the side surface of the heating main body shell is provided with an instruction input assembly connected with the power supply control panel and used for inputting control instructions.

[0014] The liquid heater for preventing dry burning based on weight control as described above is characterized in that the side surface of the heating main body shell is provided with an instruction input assembly connected with the power supply control panel and used for inputting control instructions.

[0015] The liquid heater for preventing dry burning based on weight control as described above is characterized in that the side surface of the heating main body shell is provided with an instruction input assembly connected with the power supply control panel and used for inputting control instructions. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a structural schematic diagram of the present application;

[0017] Fig. 2 is a circuit diagram of the present application;

[0018] Fig. 3 is an exploded view one of the present application;

[0019] Fig. 4 is an exploded view two of the present application;

[0020] Fig. 5 is a sectional view of the present application. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings.

[0022] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications will also change accordingly. In addition, the descriptions involving "preferred", "second preferred" and the like in the present application are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the technical features indicated or implicitly indicating the number of technical features. Therefore, the features with "preferred" and "second preferred" can explicitly or implicitly include at least one of the features.

[0023] As shown in FIGS. 1-5, a liquid heater based on weight control to prevent dry burning, a heating main body 1 with heating function, and a base assembly 2 with weighing function, the heating main body 1 comprises a heating assembly 1-1, the base assembly 2 comprises a base 2-1 and a weight sensor 2-2 arranged on the base 2-1, the heating main body 1 is elastically connected with the weight sensor 2-2 on the base 2-1, the heating main body 1 is provided with a power control panel 3-1 electrically connected with a power input end, the power control panel 3-1 is electrically connected with the weight sensor 2-2 and the heating assembly 1-1 respectively and is disconnected with the heating main body 1 when the weight sensor 2-2 detects that the weight of the health pot is less than a preset value. In actual use, during the heating process of the health pot on the heating assembly 1-1, the weight sensor 2-2 detects the weight of the health pot in real time, when the weight of the health pot is less than the preset value, the power control panel 3-1 judges that there is no liquid in the health pot, in order to prevent the health pot from being dry and cause danger, the power control panel 3-1 disconnects the electrical connection of the heating assembly 1-1, so that the heating assembly 1-1 is powered off and stops heating, realizing the dry burning protection function, and the weight sensor 2-2 is away from the heating assembly 1-1, which can reduce the problem of high temperature influence and damage.

[0024] As shown in FIG. 2, the fire end of the power input end is connected with the power control panel 3-1 through the fuse 3-2, the zero end of the power input end is connected with the power control panel 3-1 and one end of the heating assembly 1-1 respectively after passing through the temperature limiter 3-3, and the other end of the heating assembly 1-1 is connected with the power control panel 3-1. During use, when the heating temperature of the heating assembly 1-1 exceeds the maximum set temperature of the temperature limiter 3-3, the temperature limiter 3-3 jumps and breaks, so that the heating assembly 1-1 is powered off and stops heating, realizing the temperature limiting protection; when short circuit occurs, the fuse 3-2 burns and breaks to disconnect the electrical connection of the power input end, realizing the short circuit protection function.

[0025] As shown in FIG. 1, the display assembly 3-4 for displaying the weight information and the heating information is arranged on the power control panel 3-1 towards the side of the heating main body 1, and the weight and the heating information of the health-care pot can be viewed through the display assembly 3-4.

[0026] As shown in FIG. 3-5, the heating main body 1 is provided with the support plate 4, and the support plate 4 is elastically connected with the weight sensor 2-2, so that the weight sensor 2-2 is more uniformly stressed, and the weight of the health-care pot can be more accurately measured.

[0027] As shown in FIG. 3-5, the heating main body 1 further comprises the heat insulation disc 1-2 arranged outside the heating assembly 1-1 and connected with the heating assembly 1-1, and the heating main body 1 further comprises the heating main body shell 1-3 arranged outside the heat insulation disc 1-2, and the heat insulation disc 1-2 is connected with the support plate 4, so that the support plate 4 and the heating main body 1 are prevented from being heated by the heating assembly 1-1.

[0028] As shown in FIG. 3-5, the heat insulation disc 1-2 is provided with a plurality of connecting supports 1-2-1 connected with the support plate 4, so that the support plate 4 and the heat insulation disc 1-2 are quickly and stably connected.

[0029] As shown in FIG. 1, the heating main body shell 1-3 is provided with a plurality of ventilation holes 1-3-1 on the side, so as to facilitate heat dissipation.

[0030] As shown in FIG. 1, the heating main body shell 1-3 is provided with the instruction input assembly 1-3-2 connected with the power control panel 3-1 and used for inputting the control instruction.

[0031] The above are only preferred embodiments of the present application, and do not limit the patent range of the present application, and any equivalent structural transformation, direct or indirect application in other related technical fields under the utility model concept of the present application and the contents of the present application specification and drawings are included in the patent protection range of the present application.

Claims

1. A liquid heater with weight-based control of dry-burn prevention, characterized by: The application discloses a health-care kettle, which comprises a heating body (1) with a heating function and a base assembly (2) with a weighing function.

2. A weight-based control dry-burn prevention liquid heater according to claim 1, wherein: The live wire end of the power input end is connected with the power control panel (3-1) through a fuse (3-2), and the zero line end of the power input end is connected with the power control panel (3-1) and one end of the heating assembly (1-1) through a temperature limiter (3-3), and the other end of the heating assembly (1-1) is connected with the power control panel (3-1).

3. A weight-based control dry-burn prevention liquid heater according to claim 1, wherein: The power control panel (3-1) is provided with a display assembly (3-4) arranged on the side of the heating body (1) and used for displaying weighing information and heating information.

4. A weight-based control dry-burn prevention liquid heater according to claim 1, wherein: The bottom of the heating body (1) is provided with a supporting plate (4) which is elastically connected with the weight sensor (2-2).

5. A weight based control for dry fire prevention liquid heater as claimed in claim 4 wherein: The heating body (1) further comprises a heat insulation disc (1-2) arranged outside the heating assembly (1-1) and connected with the heating assembly (1-1), and the heat insulation disc (1-2) is connected with the supporting plate (4).

6. A weight based control for dry fire prevention liquid heater as claimed in claim 5 wherein: The heating body (1) further comprises a heating body shell (1-3) arranged outside the heat insulation disc (1-2).

7. A weight based control for dry fire prevention liquid heater as claimed in claim 5 wherein: The bottom of the heat insulation disc (1-2) is provided with a plurality of connecting supports (1-2-1) connected with the supporting plate (4).

8. A weight based control for dry fire prevention liquid heater as claimed in claim 6 wherein: The side of the heating body shell (1-3) is provided with a plurality of ventilation holes (1-3-1).

9. A weight based control for dry fire prevention liquid heater as claimed in claim 6 wherein: The side of the heating body shell (1-3) is provided with an instruction input assembly (1-3-2) connected with the power control panel (3-1) and used for inputting control instructions.