Multifunctional detection module of heating appliance

Abstract

The utility model discloses a multifunctional detection module of a heating appliance, which comprises a mounting seat and a movable part, and the movable part is elastically connected to the mounting seat; the movable part comprises a detection wall which is elastically attached to the outer surface of the heating container; the detection wall is provided with a water level detection area and a temperature detection area; the detection wall is provided with a temperature sensor in the temperature detection area, and the detection wall is provided with a first elastic piece which is abutted between the rear end of the temperature sensor and the mounting seat; the mounting seat is provided with a water level sensor, the inner side of the water level sensor abuts against a second elastic piece, and the other end of the second elastic piece abuts against the water level detection area on the detection wall; the water level sensor transmits a water level sensing signal through the second elastic piece so as to monitor the water level of the heating container; the multifunctional detection module provided by the utility model is in a non-contact type, has temperature and water level detection functions, and is high in integration degree, simple in structure and high in detection accuracy.

Description

Technical Field

[0001] This application relates to the field of heating appliance technology, and in particular to a multifunctional detection module for heating appliances. Background Technology

[0002] During use, heating containers are typically equipped with temperature sensors and liquid level sensors to facilitate user observation of the heated liquid temperature or to prevent the container from drying out due to lack of water. Currently available glass heating containers, such as health-preserving kettles, usually have the water level monitoring and temperature sensing devices directly installed inside the container cavity. During use, both devices are immersed in the liquid. This installation method not only makes cleaning the container inconvenient, but also, after prolonged use, the sensors are easily covered with scale, leading to a decrease in the accuracy of water level and temperature monitoring functions, posing certain safety hazards. Utility Model Content

[0003] The purpose of this invention is to solve the above-mentioned technical problems and provide a non-contact multi-functional detection module that integrates temperature and water level detection functions. It has a simple structure and high accuracy.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows:

[0005] A multifunctional detection module for a heating appliance includes a mounting base and a movable component, the movable component being elastically connected to the mounting base. The movable component includes a detection wall for elastically conforming to the outer surface of a heating container. The detection wall has a water level detection area and a temperature detection area. A temperature sensor is mounted on the detection wall in the temperature detection area, and a first elastic element abuts against the rear end of the temperature sensor and the mounting base. A water level sensor is mounted on the mounting base, and a second elastic element abuts against the inner side of the water level sensor. The other end of the second elastic element abuts against the water level detection area on the detection wall. The water level sensor transmits a water level sensing signal through the second elastic element to monitor the water level of the heating container.

[0006] In this application, the second elastic element and the first elastic element provided between the mounting base and the detection wall make the detection wall elastic and movable. After the detection module is installed in the heating appliance, the detection wall can be tightly attached to the outside of the heating container to ensure accurate monitoring of the water temperature and water level inside the container. At the same time, both ends of the detection wall have elasticity, which can maintain balance when the detection wall is attached, avoiding the impact of uneven attachment on the detection results. The temperature sensor installed on the detection wall can directly sense the temperature of the liquid in the heating container after heating, while the water level sensor outputs a signal to the heating container side through the second elastic element. When the water level reaches the detection height, the capacitance value changes, thereby monitoring the change in water level. The second elastic element has both signal transmission and elasticity functions, simplifying the overall structure and facilitating manufacturing. Moreover, the detection module of this application has multiple functions, does not need to be installed inside the container, facilitates the cleaning of the heating container, is not affected by the liquid to be heated, and has high accuracy.

[0007] In one embodiment, the second elastic element is made of metal; the diameters of the two ends of the second elastic element are larger than the diameter of the middle part.

[0008] In one embodiment, the side wall of the mounting base has a communication opening at the location where the water level sensor is installed, and the second elastic member passes through the communication opening and abuts against the water level sensor.

[0009] In one embodiment, the sidewall of the mounting base is provided with several limiting walls to enclose the water level sensor, thereby restricting the vertical movement of the water level sensor; the top of the mounting base extends with a blocking wall to limit the horizontal movement of the water level sensor.

[0010] In one embodiment, the temperature sensor includes a sensing metal sheet that is snapped onto the front side of the detection wall.

[0011] In one embodiment, the four periphery of the sensing metal sheet has several snap-fit ​​edges, and the detection wall is provided with corresponding fixing holes, with the snap-fit ​​edges snapping into the fixing holes.

[0012] In one embodiment, one of the snap-fit ​​edges is connected to a ground terminal within the cavity of the mounting base.

[0013] In one embodiment, the detection wall is provided with a mounting groove at the corresponding position of the sensing metal sheet, the mounting groove is provided with a sponge pad, and the NTC of the temperature sensor is attached between the sensing metal sheet and the sponge pad.

[0014] In one embodiment, connecting posts extend from both sides of the movable member, and a connecting groove is provided at the corresponding position of the mounting base. The connecting posts are slidably inserted into the connecting grooves. Under the elastic action of the second elastic member and the first elastic member, the connecting posts slide in the connecting grooves to adjust the spacing.

[0015] In one embodiment, a limiting block for locking the movable part is provided at the bottom of the mounting base; fixing grooves are provided on both sides of the mounting base for mounting on the heating appliance. Attached Figure Description

[0016] Figure 1 A schematic diagram of the detection module provided by this utility model;

[0017] Figure 2 A structural schematic diagram of the rear angle of the detection module provided by this utility model;

[0018] Figure 3 An exploded view of the detection module provided by this utility model;

[0019] Figure 4 Another exploded view of the detection module provided by this utility model;

[0020] Figure 5 This is a cross-sectional view of the detection module provided by this utility model. Detailed Implementation

[0021] This application provides a multifunctional detection module for heating appliances, which solves the technical problems of existing contact detection modules, which are not only inconvenient to clean containers, but also prone to scale buildup on the sensing device after long-term use, resulting in reduced accuracy of water level and temperature monitoring functions and posing certain safety hazards.

[0022] To make the inventive objectives, features, and advantages of this application more apparent and understandable, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0023] Please see Figures 1 to 5This application provides a multifunctional detection module for a heating appliance, including a mounting base 100 and a movable component 200, the movable component 200 being elastically connected to the mounting base 100; the movable component 200 includes a detection wall 210 for elastically conforming to the outer surface of the heating container; the detection wall 210 has a water level detection area and a temperature detection area; a temperature sensor 300 is installed on the detection wall 210 in the temperature detection area, and a first elastic element 500 abuts between the rear end of the temperature sensor 300 and the mounting base 100; a water level sensor 400 is installed on the mounting base 100, and a second elastic element 600 abuts on the inner side of the water level sensor 400, the other end of the second elastic element 600 abutting the water level detection area on the detection wall 210; the water level sensor 400 transmits a water level sensing signal through the second elastic element 600 to monitor the water level of the heating container.

[0024] Specifically, the two ends of the movable part 200 are movably engaged in the mounting base 100, and the bottom is limited by the side wall of the mounting base 100. After the mounting base 100 is installed in the heating appliance, the detection wall 210 is attached to the outside of the heating container to monitor the water level and water temperature in the container. The inner cavity of the mounting base 100 is a mounting cavity 700 for installing various components. The second elastic member 600 and the first elastic member 500 are installed side by side in the mounting cavity 700 and abut against the detection wall 210. Thus, after being installed in the heating appliance, the detection wall 210 can fit tightly against the heating container, which can ensure more accurate monitoring data. In this embodiment, both the second elastic element 600 and the first elastic element 500 are springs, which are simple in structure, elastic, and can automatically reset. The detection wall 210 is formed by protruding forward, and the sensing end of the temperature sensor 300 is located on the front side of the detection wall 210. The remaining components are installed in the cavity 700, and the temperature can be monitored by the liquid temperature transmitted by the heating container. The water level sensor 400 is a capacitive sensor, and its main body is fixed to the side wall of the mounting base 100 and at the same vertical height as the temperature sensor 300. Both the temperature sensor 300 and the water level sensor 400 are connected to terminals. For easy connection with the control board, the two ends of the second elastic element 600 are respectively in contact with the detection wall 210 and the water level sensor 400. The electrical signal output by the sensing end of the water level sensor 400 is output to the heating container side through the second elastic element 600. When the water level changes in the electrical signal area, the capacitance value of the water level sensor 400 changes accordingly, thereby monitoring the water level in the container. This allows the detection module to accurately monitor the water level and temperature without directly contacting the liquid inside the container. The second elastic element 600 has both signal transmission and elasticity functions, simplifying the structure of the detection module and facilitating manufacturing.

[0025] Furthermore, the second elastic element 600 is made of metal; the diameters of the two ends of the second elastic element 600 are larger than the diameter of the middle part. In this embodiment, the second elastic element 600 is a spring made of metal, which can transmit the electrical signal output by the water level sensor 400. The diameters of the two ends of the spring are larger than the diameter of the middle part, and the diameters of the two ends gradually decrease towards the middle, ensuring that the electrical signal range formed at both ends of the connecting sensing element 500 is large, and the water level data can be detected more accurately. In this embodiment, the water level sensor 400 is a capacitive wall-mounted detection module, which forms a signal output through the spring element. It has a simple structure and is easy to manufacture.

[0026] For details, please refer to [link / reference]. Figure 2 The mounting base 100 has a connecting opening 170 at the location where the water level sensor 400 is installed. The second elastic member 600 passes through the connecting opening 170 and abuts against the water level sensor 400. The connecting opening 170 on the rear side wall of the mounting base 100 corresponds to the signal output position of the water level sensor 400, so that the second elastic member 600 can pass through the connecting opening 170 and abut against the water level sensor 600. Furthermore, the side wall of the mounting base 100 is provided with several limiting walls 130 to surround the water level sensor 400, so as to restrict the vertical movement of the water level sensor 400. The top of the mounting base 100 extends a blocking wall 140 to limit the horizontal movement of the water level sensor 400. Limiting walls 130 are provided at all four corners of the water level sensor 400 on the rear side of the mounting base 100. The top of the limiting wall 130 at the lower end also extends a limiting surface to limit the water level sensor 400. The top of the mounting base 100 extends an inverted L-shaped blocking wall 140 at the corresponding position in the middle of the water level sensor 400. There are gaps between the two sides of the blocking wall 140 and the top wall of the mounting base 100, so that the blocking wall 140 has a certain elasticity and can be opened upwards. During the installation process, it will not affect the installation of the water level sensor 400, and the end can limit the water level sensor 400 from shifting backward and affecting the water level sensor 400 to detect the water level.

[0027] Furthermore, the temperature sensor 300 includes a sensing metal sheet 310, which is snapped onto the front side of the detection wall 210. The sensing metal sheet 310 has four peripheral edges with snap-fit ​​edges 311 extending from it. The detection wall 210 is provided with corresponding fixing openings 211, and the snap-fit ​​edges 311 engage with the fixing openings 211. A ground terminal 800 is connected to one of the snap-fit ​​edges 311 on the inner side of the detection wall 210. The snap-fit ​​edges 311 extending from the sensing metal sheet 310 are located at the corners of its perimeter. They are fixed to the detection wall 210 by passing through the fixing holes 211 provided in the detection wall 210. One of the snap-fit ​​edges 311 is connected to a ground terminal 800 in the mounting cavity 700 to ensure safer use. In addition, the detection wall 210 is provided with a mounting groove 212 at the corresponding position of the sensing metal sheet 310. The mounting groove 212 is provided with a sponge pad 900. The NTC of the temperature sensor 300 is attached between the sensing metal sheet 310 and the sponge pad 900. A mounting groove 212 is provided at the corresponding position of the sensing metal sheet 310. The sponge pad 900 embedded in the mounting groove 212 is elastic. The NTC probe of the temperature sensor 300 is located between the sponge pad 900 and the sensing metal sheet 310 to better detect temperature changes. The bottom of the mounting groove 212 is connected to the inner cavity of the detection wall 210, so that the connecting wire of the temperature sensor 300 can be inserted into its inner cavity and limited by the sponge pad 900 to ensure that it is not easy to deviate during use and affect the accuracy of detection.

[0028] Furthermore, connecting posts 230 extend from both sides of the movable member 200, and connecting grooves 120 are provided at corresponding positions on the mounting base 100. The connecting posts 230 are slidably inserted into the connecting grooves 120. Under the elastic action of the second elastic member 600 and the first elastic member 500, the connecting posts 230 slide in the connecting grooves 120 to adjust the spacing. The connecting posts 230 extending from both sides of the movable member 200 on the detection wall 210 are inserted into the connecting grooves 120 opened in the mounting base 100. In this embodiment, the two side walls of the mounting base 100 are connected to form connecting grooves 120 corresponding to the size of the connecting posts 230, so that the connecting posts 230 can slide back and forth along the connecting grooves 120. Since the second elastic member 600 and the first elastic member 500 are abutted on both sides of the mounting cavity 700, and the detection wall 210 is provided with corresponding positioning posts 220, the first elastic member 600... The elastic element 700 can be sleeved on the positioning post 220, and the mounting base 100 is provided with an annular wall 110 to limit the first elastic element 700, ensuring that the first elastic element 700 is not easily dislodged during elastic deformation. Under the elastic action of the second elastic element 600 and the first elastic element 500, the movable element 200 can compress the spring and slide towards the mounting base 100 when subjected to force, and automatically reset after the force disappears. This allows the detection wall 210 to fit tightly against the side wall of the heating container, ensuring the accuracy of the detection data. In addition,

[0029] In this embodiment, a limiting block 150 for securing the movable component 200 is provided at the bottom of the mounting base 100; fixing grooves 160 are provided on both sides of the mounting base 100 for mounting onto the heating appliance. The limiting block 150 at the bottom of the mounting base 100 abuts against the outer wall of the movable component 200, thereby allowing the movable component 200 to move inward while preventing it from easily falling off. In addition, the fixing grooves 160 of the mounting base 100 are U-shaped, allowing the detection module to be quickly installed onto the heating appliance by installing screws or other fastening components here, which is convenient for processing.

[0030] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to this utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.

Claims

1. A multifunctional detection module for heating appliances, characterized in that, The device includes a mounting base and a movable component, the movable component being elastically connected to the mounting base. The movable component includes a detection wall for elastically conforming to the outer surface of a heating container. The detection wall has a water level detection area and a temperature detection area. A temperature sensor is mounted on the detection wall in the temperature detection area, and a first elastic element abuts between the rear end of the temperature sensor and the mounting base. A water level sensor is mounted on the mounting base, and a second elastic element abuts against the inner side of the water level sensor. The other end of the second elastic element abuts against the water level detection area on the detection wall. The water level sensor transmits a water level sensing signal through the second elastic element to monitor the water level of the heating container.

2. The multifunctional detection module for heating appliances according to claim 1, characterized in that, The second elastic element is made of metal; the diameters at both ends of the second elastic element are larger than the diameter at the middle.

3. The multifunctional detection module for heating appliances according to claim 1, characterized in that, The side wall of the mounting base has a communication opening at the position where the water level sensor is installed, and the second elastic member passes through the communication opening and abuts against the water level sensor.

4. The multifunctional detection module for heating appliances according to claim 1, characterized in that, The side wall of the mounting base is provided with several limiting walls to enclose the water level sensor, thereby restricting the movement of the water level sensor in the vertical direction; the top of the mounting base extends with a blocking wall to limit the movement of the water level sensor in the horizontal direction.

5. The multifunctional detection module for heating appliances according to claim 1, characterized in that, The temperature sensor includes a sensing metal sheet that is snapped onto the front side of the detection wall.

6. The multifunctional detection module for heating appliances according to claim 5, characterized in that, The sensing metal sheet has several snap-fit ​​edges extending along its four perimeters, and the detection wall is provided with corresponding fixing holes, with the snap-fit ​​edges snapping into the fixing holes.

7. The multifunctional detection module for heating appliances according to claim 6, characterized in that, One of the snap-fit ​​edges is connected to a ground terminal in the inner cavity of the mounting base.

8. The multifunctional detection module for heating appliances according to claim 5, characterized in that, The detection wall has a mounting groove at the corresponding position of the sensing metal sheet, and the mounting groove is provided with a sponge pad. The NTC of the temperature sensor is attached between the sensing metal sheet and the sponge pad.

9. The multifunctional detection module for heating appliances according to claim 1, characterized in that, Connecting posts extend from both sides of the movable component, and connecting slots are provided at corresponding positions on the mounting base. The connecting posts are slidably inserted into the connecting slots. Under the elastic action of the second elastic member and the first elastic member, the connecting posts slide in the connecting slots to adjust the spacing.

10. The multifunctional detection module for heating appliances according to claim 9, characterized in that, The mounting base is provided with a limiting block at the bottom position to lock the movable part; the mounting base is provided with fixing grooves on both sides for mounting on the heating appliance.

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