Electric kettle

Abstract

The utility model provides an electric kettle. The electric kettle comprises a kettle body, a liquid level sensor and a protective cover, the protective cover divides a space defined by the kettle body into a first cavity and a second cavity, a detection part of the liquid level sensor is located in the first cavity, a through hole communicated with the first cavity and the second cavity is formed in the protective cover, and the lowest position of the through hole is not higher than the detection part of the liquid level sensor. Due to the fact that the protective cover is arranged, when water is injected into the second cavity till the water amount in the second cavity is higher than the lowest position of the through hole, water in the second cavity can flow into the first cavity through the through hole, and the liquid level sensor makes contact with water flow flowing into the first cavity to detect the water level in the kettle. And the detection part of the liquid level sensor is surrounded by the protective cover, so that when water is injected into the kettle, splashed water drops are not easy to fly onto the liquid level sensor, and the misjudgment of the water volume in the kettle by the liquid level sensor is avoided. The electric kettle not only can detect the water level in the kettle, but also can prevent the water volume in the kettle from being misjudged by the liquid level sensor.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to an electric kettle. Background Art

[0002] In people's daily lives, electric kettles are usually used to heat water at room temperature. In some existing electric kettles, a liquid level sensor is provided in the kettle, and the liquid level sensor can be set at a higher position or a lower position in the kettle as needed. When the liquid level sensor is set at a lower position in the kettle, such a low liquid level sensor can be used to detect whether there is water in the kettle. When the sensing detects that there is water in the kettle, the heating can be started. When the sensing detects that there is insufficient water in the kettle, the heating can be turned off to prevent the electric kettle from drying out. When the liquid level sensor is set at a higher position in the kettle, such a high liquid level sensor can be used to detect whether the kettle is full of water. When the water is full, the water replenishment can be stopped to prevent continuous water inflow from causing overflow, causing leakage, soaking of furniture and appliances, and other problems.

[0003] However, in the existing electric kettle equipped with a liquid level sensor, water droplets may splash when water is poured into the kettle. The splashing water droplets may fall on the liquid level sensor, causing the liquid level sensor to misjudge the water level in the kettle, thereby starting heating when the water level in the kettle is insufficient, or stopping water replenishment when the water level in the kettle is insufficient. Utility Model Content

[0004] To at least partially address the problems existing in the prior art, the present invention provides an electric kettle. The electric kettle comprises a kettle body, a liquid level sensor, and a protective cover. The protective cover divides the space enclosed by the kettle body into a first cavity and a second cavity. The detection portion of the liquid level sensor is located in the first cavity. The protective cover is provided with a through hole connecting the first cavity and the second cavity. The lowest position of the through hole is no higher than the detection portion of the liquid level sensor.

[0005] In the electric kettle provided by the present invention, due to the provision of a protective cover, the detection portion of the liquid level sensor is located within the first chamber. When water is poured into the second chamber until the water level in the second chamber exceeds the lowest point of the through hole, the water in the second chamber flows through the through hole into the first chamber. The liquid level sensor contacts the water flowing into the first chamber and detects the water level within the kettle. Since the detection portion of the liquid level sensor is surrounded by the protective cover, splashing water droplets are unlikely to land on the liquid level sensor when water is poured into the kettle, thereby preventing the liquid level sensor from misjudging the water level within the kettle. Thus, the electric kettle of the present invention can not only detect the water level within the kettle, but also prevent the liquid level sensor from misjudging the water level within the kettle.

[0006] For example, a flow guide is connected to the through hole, and a connection port is formed on the end of the flow guide away from the through hole, and the connection port is not higher than the through hole. The provision of the flow guide can further ensure that when water is poured into the kettle, splashing water droplets are unlikely to fall onto the liquid level sensor, thereby further preventing the liquid level sensor from misjudging the water level in the kettle.

[0007] Exemplarily, the through hole includes a lower through hole located at the bottom of the protective cover, and the flow guide includes a first flow guide, the first flow guide is connected to the lower through hole, and a first connection port is formed on the end of the first flow guide away from the lower through hole, and the first connection port is lower than the lower through hole. The provision of the first flow guide can further ensure that when water is poured into the kettle body, splashing water droplets are not likely to fall onto the liquid level sensor, thereby further avoiding the liquid level sensor's misjudgment of the amount of water in the kettle. Moreover, because the first connection port is lower than the lower through hole, the retained water flow in the first chamber can enter the water flow channel inside the first flow guide through the lower through hole, and then be discharged to the second chamber through the first connection port, thereby avoiding the situation where water flow is retained in the first chamber.

[0008] Exemplarily, the first flow guide includes a first section and a second section. The first section is connected to the lower through hole, the second section is connected to the first section, and the first connection port is formed on the second section. The second connection port is formed at the junction of the second section and the first section, and the first connection port is flush with the second connection port. When water is poured into the kettle, splashing water droplets generally fly from bottom to top. When the first connection port is flush with the second connection port, the second section can be considered to be perpendicular to the direction of gravity. Forming the first connection port on such a second section makes it more difficult for splashing water droplets to fly over the first connection port, thereby making it more difficult for splashing water droplets to fall onto the liquid level sensor.

[0009] For example, the second connection port is located below the lower through hole. When the second connection port is located below the lower through hole, it can be considered that the water flow in the first section has a tendency to flow downward, and the retained water flow in the first cavity can enter the water flow channel inside the first section through the lower through hole, and then flow into the second section through the second connection port, and then can be discharged from the first connection port to the second cavity, thereby avoiding the situation where water flow is retained in the first cavity.

[0010] For example, the second section is perpendicular to the first section. Such a first flow guide can be more regular, simpler in structure, and easier to produce and process.

[0011] Exemplarily, the protective cover has a first side and a second side along the circumferential direction of the kettle body, the through hole includes a first side through hole located on the first side, the flow guide includes a second flow guide, the second flow guide is connected to the first side through hole, and a third connection port is formed on the end of the second flow guide away from the first side through hole, and the third connection port is not higher than the first side through hole. The provision of the second flow guide can further ensure that when water is poured into the kettle body, splashing water droplets are not likely to fall onto the liquid level sensor, thereby further avoiding the liquid level sensor from misjudging the amount of water in the kettle. Moreover, the second chamber and the first chamber are connected through the first side through hole, and when the liquid level change in the second chamber drives the liquid level change in the first chamber, the response can be more rapid.

[0012] Exemplarily, the through hole includes a second side through hole located on the second side, the flow guide includes a third flow guide, the third flow guide is connected to the second side through hole, and a fourth connection port is formed on the end of the third flow guide away from the second side through hole, and the fourth connection port is no higher than the second side through hole. The provision of the third flow guide can further ensure that when water is poured into the kettle body, splashing water droplets are unlikely to fall onto the liquid level sensor, thereby further avoiding the liquid level sensor from misjudging the amount of water in the kettle. Moreover, in addition to the second chamber and the first chamber being connected via the first side through hole, the second chamber and the first chamber are also connected via the second side through hole. When changes in the liquid level in the second chamber drive changes in the liquid level in the first chamber, the response can be more rapid.

[0013] For example, the liquid level sensor is connected to the inner wall of the kettle body. The liquid level sensor connected to the inner wall of the kettle body can be more stable, so that the electric kettle can detect the liquid level inside the kettle body more stably, and the user experience can be better.

[0014] For example, the protective cover is connected to the liquid level sensor. Connecting the protective cover to the liquid level sensor, on the basis of the liquid level sensor being connected to the kettle body, allows the protective cover to be stably set inside the kettle body without making too many changes to the conventional structure of the kettle body, which is in line with user usage habits. The overall structure is also simpler and easier to produce and process.

[0015] For example, a snap-fit portion is provided on the inner wall of the protective cover, which is snapped onto the periphery of the detection portion of the liquid level sensor. Connecting the protective cover to the liquid level sensor in this manner makes assembly and disassembly of the entire system simpler, and the overall structure is also simpler and easier to implement.

[0016] The Summary of the Utility Model introduces a series of simplified concepts, which will be further described in detail in the Detailed Description of the Utility Model. This Summary of the Utility Model does not intend to limit the key features and essential technical features of the claimed technical solution, nor does it intend to determine the scope of protection of the claimed technical solution.

[0017] The advantages and features of the present invention are described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The following drawings of the present invention are used as part of the present invention for understanding the present invention. The drawings show the embodiments of the present invention and their descriptions, and are used to explain the principles of the present invention. In the drawings,

[0019] Figure 1 is a side view of an electric kettle according to an exemplary embodiment of the present invention;

[0020] Figure 2 for Figure 1 A cross-sectional view of the electric kettle shown;

[0021] Figure 3 A perspective view of a protective cover according to an exemplary embodiment of the present invention;

[0022] Figure 4 for Figure 3 Rear view of the shield shown;

[0023] Figure 5 A perspective view of a protective cover according to an exemplary embodiment of the present invention; and

[0024] Figure 6 for Figure 5 Rear view of the protective cover shown.

[0025] The above drawings include the following reference numerals:

[0026] 100. Kettle body; 110. First cavity; 120. Second cavity; 200. Liquid level sensor; 210. Detection part; 300. Protective cover; 310. Lower through hole; 320. First flow guide; 321. First connection port; 322. First section; 323. Second section; 324. Second connection port; 330. First side; 331. First side through hole; 340. Second side; 341. Second side through hole; 350. Second flow guide; 351. Third connection port; 360. Third flow guide; 361. Fourth connection port. DETAILED DESCRIPTION

[0027] In the following description, numerous details are provided to facilitate a thorough understanding of the present invention. However, those skilled in the art will appreciate that the following description merely illustrates preferred embodiments of the present invention, and that the present invention may be practiced without one or more of these details. Furthermore, to avoid confusion with the present invention, some technical features well known in the art have not been described in detail.

[0028] According to one aspect of the present invention, an electric kettle is provided. Figure 1 and Figure 2 The electric kettle may include a kettle body 100, a liquid level sensor 200 and a protective cover 300. The protective cover 300 may divide the space enclosed by the kettle body 100 into a first cavity 110 and a second cavity 120. The detection portion 210 of the liquid level sensor 200 may be located in the first cavity 110. The protective cover 300 may be designed in any suitable form as required, such as Figure 3 and Figure 4 A square protective cover 300 is shown, as shown in FIG. Figure 5 and Figure 6 A hemispherical protective cover 300 is shown. The liquid level sensor 200 may be a liquid level probe or any other suitable form. The detection portion 210 of the liquid level sensor 200 may be the portion of the liquid level sensor 200 that contacts the water surface. When the detection portion 210 contacts the water surface, the liquid level sensor 200 may detect the current liquid level height. For example, for a liquid level sensor 200 in the form of a liquid level probe, the detection portion 210 may be formed on the probe portion. A through hole connecting the first cavity 110 and the second cavity 120 may be provided on the protective cover 300, and the lowest position of the through hole may not be higher than the detection portion 210 of the liquid level sensor 200. The through hole may be located at any suitable position on the protective cover 300. For example, as Figure 3 and Figure 4 As shown, the protective cover 300 may be provided with a lower through hole 310 located at the lower part, and the protective cover 300 may have a first side 330 and a second side 340 relative to each other along the circumferential direction of the kettle body 100. The protective cover 300 may also be provided with a first side through hole 331 on the first side 330, and a second side through hole 341 on the second side 340. This will be described in detail below in conjunction with specific embodiments.

[0029] When water is poured into the kettle body 100 of the electric kettle, it can be considered that water is being poured into the second chamber 120 within the kettle body 100. When the liquid level in the second chamber 120 is higher than the lowest point of the through-hole, water can flow through the through-hole into the first chamber 110. Moreover, since the second chamber 120 and the first chamber 110 are connected through the through-hole in the protective cover 300, the liquid level in the second chamber 120 should be consistent with the liquid level in the first chamber 110. Therefore, when water is poured into the kettle body 100 until the water surface contacts the detection portion 210 of the liquid level sensor 200, the liquid level sensor 200 can detect the current liquid level in the kettle body 100. It can be understood that the detection part 210 of the liquid level sensor 200 is located in the first cavity 110 enclosed by the protective cover 300. When water is poured into the second cavity 120, the protective cover 300 can block the splashing water droplets, thereby effectively preventing the splashing water droplets from falling on the detection part 210 of the liquid level sensor 200 during water filling, thereby avoiding the liquid level sensor 200 from misjudging the liquid level height in the kettle body 100.

[0030] In the electric kettle provided by the present invention, due to the provision of the protective cover 300, the detection portion 210 of the liquid level sensor 200 is located within the first chamber 110. When water is poured into the second chamber 120 until the water level in the second chamber 120 exceeds the lowest point of the through hole, the water in the second chamber 120 flows through the through hole into the first chamber 110. The liquid level sensor 200 contacts the water flowing into the first chamber 110 to detect the water level within the kettle. Furthermore, since the detection portion 210 of the liquid level sensor 200 is surrounded by the protective cover 300, splashing water droplets are unlikely to land on the liquid level sensor 200 when water is poured into the kettle, thereby preventing the liquid level sensor 200 from misjudging the water level within the kettle. Thus, the electric kettle provided by the present invention can not only detect the water level within the kettle, but also prevent the liquid level sensor 200 from misjudging the water level within the kettle.

[0031] In one embodiment of the present invention, a flow guide may be connected to the through hole, and a connection port may be formed on the end of the flow guide away from the through hole, and the connection port may not be higher than the through hole. The flow guide may be enclosed by itself to form a water flow channel, or the flow guide may be enclosed with the inner wall of the kettle body 100 to form a water flow channel. The flow guide may be a pipe or any other suitable form. Figure 3 and Figure 4As shown, the guide member may include a first guide member 320, a second guide member 350, and a third guide member 360. The first guide member 320, the second guide member 350, and the third guide member 360 can each enclose the inner wall of the kettle body 100 to form a respective water flow channel. When water is poured into the kettle body 100, even if splashing water droplets fly over the connection port and enter the guide member, most of these water droplets will fall into the water flow channel inside the guide member, and these water droplets are still some distance away from the through hole. Moreover, due to the presence of the guide member, when water is poured into the kettle body 100, splashing water droplets must first fly over the connection port and enter the water flow channel inside the guide member, and then continue to fly over the through hole before landing on the liquid level sensor 200, which is obviously very difficult. Therefore, the provision of the guide member can further ensure that when water is poured into the kettle body 100, splashing water droplets are not likely to fall onto the liquid level sensor 200, thereby further avoiding the liquid level sensor 200 from misjudging the amount of water in the kettle.

[0032] For example, see Figure 3 and Figure 4 The through hole may include a lower through hole 310 located at the lower portion of the protective cover 300, the flow guide may include a first flow guide 320, the first flow guide 320 may be connected to the lower through hole 310, and a first connection port 321 may be formed on one end of the first flow guide 320 away from the lower through hole 310, and the first connection port 321 may be lower than the lower through hole 310. Since splashing water droplets usually fly from bottom to top when water is poured into the kettle body 100, compared with through holes provided at other positions on the protective cover 300, when the lower through hole 310 is provided at the lower portion, especially when the lower through hole 310 has a larger opening, it is relatively easy for splashing water droplets to fly through the through hole and enter the first cavity 110. A first guide member 320 is connected to the lower through-hole 310. Even if splashing water droplets fly over the first connection port 321 and enter the first guide member 320, most of these droplets will land in the water flow channel within the first guide member 320, which is still some distance away from the lower through-hole 310. Furthermore, due to the presence of the first guide member 320, when filling the kettle body 100 with water, splashing water droplets must first fly over the first connection port 321, enter the water flow channel within the first guide member 320, and then continue to fly over the lower through-hole 310 before landing on the liquid level sensor 200, which is obviously very difficult. Therefore, the provision of the first guide member 320 further ensures that splashing water droplets are unlikely to land on the liquid level sensor 200 when filling the kettle body 100 with water, thereby further preventing the liquid level sensor 200 from misjudging the amount of water in the kettle. Moreover, since the first connecting port 321 is lower than the lower through hole 310, the retained water flow in the first chamber 110 can enter the water flow channel inside the first guide member 320 through the lower through hole 310, and then be discharged into the second chamber 120 through the first connecting port 321, thereby avoiding the situation where water flow is retained in the first chamber 110.

[0033] Exemplarily, the first flow guide 320 may include a first section 322 and a second section 323. The first section 322 may be connected to the lower through hole 310, the second section 323 may be connected to the first section 322, and the first connection port 321 may be formed on the second section 323. A second connection port 324 may be formed at the connection between the second section 323 and the first section 322. The first connection port 321 may be flush with the second connection port 324. When water is poured into the kettle body 100, splashing water droplets generally fly from bottom to top. When the first connection port 321 is flush with the second connection port 324, the second section 323 may be considered to be perpendicular to the direction of gravity. The first connection port 321 is formed on such a second section 323, so that splashing water droplets are less likely to fly over the first connection port 321, and thus are less likely to fall onto the liquid level sensor 200.

[0034] For example, the second connection port 324 can be located below the lower through hole 310. It is worth noting that the second connection port 324 located below the lower through hole 310 mentioned here only defines the height of the second connection port 324 and the lower through hole 310, and does not define the relative position relationship between the second connection port 324 and the lower through hole 310 in other directions. For example, the second connection port 324 can be located obliquely below the lower through hole 310, or it can be located directly below the lower through hole 310. When the second connection port 324 is located below the lower through hole 310, it can be considered that the water flow in the first section 322 has a tendency to flow downward, and the retained water flow in the first cavity 110 can enter the water flow channel inside the first section 322 through the lower through hole 310, and then flow into the second section 323 through the second connection port 324, and then can be discharged from the first connection port 321 to the second cavity 120, thereby avoiding the situation where water flow is retained in the first cavity 110.

[0035] For example, the second section 323 may be perpendicular to the first section 322. Such a first flow guide 320 may be more regular, have a simpler structure, and be easier to produce and process.

[0036] In one embodiment of the present invention, see Figure 3 and Figure 4The protective cover 300 has a first side 330 and a second side 340 along the circumferential direction of the kettle body 100. The first side 330 and the second side 340 may be opposite sides of the protective cover 300. The through hole may include a first side through hole 331 located on the first side 330. The flow guide may include a second flow guide 350. The second flow guide 350 may be connected to the first side through hole 331. A third connection port 351 may be formed on an end of the second flow guide 350 away from the first side through hole 331. The third connection port 351 may not be higher than the first side through hole 331. The second flow guide 350 is connected to the first side through hole 331. Even if splashing water droplets fly over the third connection port 351 and enter the second flow guide 350, most of these water droplets will fall into the water flow channel inside the second flow guide 350, and these water droplets are still some distance away from the first side through hole 331. Furthermore, due to the presence of the second flow guide 350, splashing water droplets when filling the kettle body 100 must first leap through the third connection port 351, enter the water flow channel within the second flow guide 350, and then continue through the first side through-hole 331 before landing on the liquid level sensor 200. This is clearly very difficult. The provision of the second flow guide 350 further ensures that splashing water droplets are less likely to land on the liquid level sensor 200 when filling the kettle body 100, further preventing the liquid level sensor 200 from misjudging the water level in the kettle. Furthermore, the second chamber 120 and the first chamber 110 are connected via the first side through-hole 331. When changes in the liquid level in the second chamber 120 drive changes in the liquid level in the first chamber 110, the response can be more rapid.

[0037] For example, the through hole may include a second side through hole 341 located on the second side 340, and the flow guide may include a third flow guide 360. The third flow guide 360 may be connected to the second side through hole 341. A fourth connection port 361 may be formed on the end of the third flow guide 360 away from the second side through hole 341. The fourth connection port 361 may not be higher than the second side through hole 341. Similar to the connection of the second flow guide 350 to the first side through hole 331, the provision of the third flow guide 360 can further ensure that when water is poured into the kettle body 100, splashing water droplets are unlikely to fall onto the liquid level sensor 200, thereby further avoiding the liquid level sensor 200 from misjudging the amount of water in the kettle. Furthermore, the second chamber 120 and the first chamber 110 are connected through the first side through hole 331, and the second chamber 120 and the first chamber 110 are also connected through the second side through hole 341. When the liquid level change in the second chamber 120 drives the liquid level change in the first chamber 110, the response can be more rapid. Figure 5 and Figure 6 When the second guide member 350 and the third guide member 360 adopt the same form, the overall shape of the protective cover 300 can be more regular and easier to produce and process.

[0038] For example, the liquid level sensor 200 can be connected to the inner wall of the kettle body 100. The liquid level sensor 200 connected to the inner wall of the kettle body 100 can be more stable, so that the electric kettle can detect the liquid level inside the kettle body 100 more stably, and the user experience can be better.

[0039] In one embodiment of the present invention, the protective cover 300 can be connected to the liquid level sensor 200. When the protective cover 300 is directly connected to the inner wall of the kettle body 100, it is necessary to open a hole in the kettle body 100 or set a structure for connecting with the protective cover 300. This will make the structure of the kettle body 100 too complicated and the sealing of the kettle body 100 will be difficult to ensure. Therefore, the protective cover 300 is connected to the liquid level sensor 200. On the basis of the liquid level sensor 200 being connected to the kettle body 100, the protective cover 300 can be stably set inside the kettle body 100 without making too many changes to the conventional structure of the kettle body 100, which is in line with the user's usage habits. The overall structure is also simpler and easier to produce and process.

[0040] For example, a clipping portion (not shown in the figure) may be provided on the inner wall of the protective cover 300, and the clipping portion may be clipped onto the periphery of the detection portion 210 of the liquid level sensor 200. The clipping portion may be a cross-shaped rib or any other suitable form provided on the inner wall of the protective cover 300. The clipping portion may be clipped onto the periphery of the detection portion 210 of the liquid level sensor 200, which is equivalent to the clipping portion clamping the detection portion 210. Connecting the protective cover 300 to the liquid level sensor 200 in this manner makes the overall assembly and disassembly simpler, and the overall structure is also simpler and easier to implement.

[0041] In the description of the present invention, it should be understood that the directions or positional relationships indicated by directional words such as "front", "back", "up", "down", "left", "right", "horizontal", "vertical", "vertical", "horizontal", "top", "bottom", etc. are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention; the directional words "inside" and "outside" refer to the inside and outside relative to the outline of each component itself.

[0042] For ease of description, area-relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the regional positional relationship between one or more components or features shown in the figures and other components or features. It should be understood that area-relative terms include not only the orientation of the components as described in the figures, but also different orientations in use or operation. For example, if the components in the drawings are inverted as a whole, the situation where the components are "above other components or features" or "above other components or features" will include the situation where the components are "below other components or structures" or "below other components or structures". Thus, the exemplary term "above" may include both the orientations "above" and "below". In addition, these components or features may also be positioned at other different angles (e.g., rotated 90 degrees or other angles), and this document is intended to include all of these situations.

[0043] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, parts, components and / or combinations thereof.

[0044] It should be noted that the terms "first," "second," and the like in the specification and claims of the present invention and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, such that the embodiments of the present invention described herein can be implemented in an order other than that illustrated or described herein.

[0045] The present invention has been described through the above embodiments. However, it should be understood that the above embodiments are for illustrative and illustrative purposes only and are not intended to limit the present invention to the described embodiments. Furthermore, those skilled in the art will appreciate that the present invention is not limited to the above embodiments and that various variations and modifications may be made based on the teachings of the present invention, all of which fall within the scope of the present invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric kettle, characterized in that: It includes a kettle body, a liquid level sensor and a protective cover, the protective cover divides the space enclosed by the kettle body into a first cavity and a second cavity, the detection part of the liquid level sensor is located in the first cavity, and a through hole connecting the first cavity and the second cavity is provided on the protective cover, and the lowest position of the through hole is not higher than the detection part of the liquid level sensor.

2. The electric kettle according to claim 1, characterized in that The through hole is connected with a flow guide, and a connection port is formed on one end of the flow guide away from the through hole, and the connection port is not higher than the through hole.

3. The electric kettle according to claim 2, characterized in that: The through hole includes a lower through hole located at the lower part of the protective cover, and the flow guide includes a first flow guide, which is connected to the lower through hole. A first connection port is formed on the end of the first flow guide away from the lower through hole, and the first connection port is lower than the lower through hole.

4. The electric kettle according to claim 3, characterized in that The first flow guide member includes a first section and a second section, the first section is connected to the lower through hole, the second section is connected to the first section and the first connection port is formed on the second section, a second connection port is formed at the connection between the second section and the first section, and the first connection port is flush with the second connection port.

5. The electric kettle according to claim 4, characterized in that: The second connection port is located below the lower through hole.

6. The electric kettle according to claim 4, characterized in that The second section is perpendicular to the first section.

7. The electric kettle according to claim 3, characterized in that The protective cover has a first side and a second side along the circumferential direction of the kettle body, the through hole includes a first side through hole located on the first side, the flow guide includes a second flow guide, the second flow guide is connected to the first side through hole, and a third connection port is formed on the end of the second flow guide away from the first side through hole, and the third connection port is not higher than the first side through hole.

8. The electric kettle according to claim 7, characterized in that The through hole includes a second side through hole located on the second side, the guide member includes a third guide member, the third guide member is connected to the second side through hole, and a fourth connection port is formed on the end of the third guide member away from the second side through hole, and the fourth connection port is not higher than the second side through hole.

9. The electric kettle according to claim 1, characterized in that The liquid level sensor is connected to the inner wall of the kettle body.

10. The electric kettle according to claim 9, characterized in that The protective cover is connected to the liquid level sensor.

11. The electric kettle according to claim 10, characterized in that A clamping portion is provided on the inner wall of the protective cover, and the clamping portion is clamped on the periphery of the detection part of the liquid level sensor.

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