Liquid heater capable of detecting liquid level across air

Abstract

The utility model relates to the technical field of household appliances, and discloses a liquid heater capable of detecting the liquid level across the air, the liquid heater comprises a glass inner cup and an outer cup arranged outside the glass inner cup in a sleeving mode, a detection plate for detecting the liquid level across the air is installed on the outer wall of the glass inner cup in an attached mode, an avoiding cavity protruding outwards is formed in the inner wall of the outer cup, and the avoiding cavity extends towards the cup edge of the outer cup; after the detection plate is installed on the outer wall of the glass inner cup, the detection plate and the glass inner cup are installed in the outer cup together, and the detection plate is arranged in the avoiding cavity through the upper end opening. The outer cup is provided with the avoiding cavity protruding outwards to contain the detection plate, the structure is simpler, and the detection plate can be simply and conveniently installed between the inner cup and the outer cup.

Description

Technical Field

[0001] The present application relates to the technical field of household appliances, and in particular to a liquid heater capable of detecting liquid level remotely. Background Art

[0002] Liquid heaters, such as soymilk makers and blenders, typically feature overflow prevention devices to detect spills and prevent spills during the soymilk production process. Existing overflow detection methods include contact and non-contact methods. The non-contact method uses a detection component installed on the exterior of the liquid heater's cup to remotely monitor the liquid level inside. This solves the problem of blind spots in cleaning often associated with contact-based detection systems.

[0003] Prior art CN201921126037.3 discloses a food processor, which discloses a water level detector (a capacitive sensing plate) provided on the outside of a cup body for detecting the water level of food in the cup body, and the water level detector is installed inside a handle. Specifically, the handle includes a first handle portion and a second handle portion, both of which are provided with a limiter, and the limiter on the first handle portion and the limiter on the second handle portion are fixed to two opposite ends of the water level detector arranged along the horizontal direction X, so that the limiter can clamp and fix the water level detector, thereby achieving the fixation of the water level detector. This technical solution realizes the remote detection of the water level of food in the cup body, but on the one hand, the above structure requires the limiter on the handle to realize the fixation of the water level detector, and the setting of the limiter will cause a gap between the water level detector and the outer wall of the cup body, which will affect the detection accuracy of the water level detector; on the other hand, the above structure is not applicable to food processors with double-layer cup bodies.

[0004] To address the above issues, prior art CN202323177823.5 discloses a food processor with a double-layer cup structure, which comprises a cup body, a shell sleeved on the cup body, and a detection plate for detecting the liquid level in the air. The detection plate is placed in a mounting groove provided on the inner wall of the shell, and the mounting groove extends toward the cup body (at this time, the detection plate is in a first position). A push piece is fixedly installed on the outer side of the shell, and the push piece can press the detection plate from the first position to the second position where it abuts against the outer wall of the glass inner cup. The above solution can be applied to food processors with double-layer cup bodies, and the abutment between the detection plate and the glass inner cup can also improve the detection accuracy of the detection plate.

[0005] However, the installation groove and the push member in the above solution also make the installation structure of the detection plate more complex and the installation process more tedious. Moreover, whether the installation groove extends from the inner wall of the shell to the cup body, or the detection plate moves from the first position to the second position, both require the space between the cup body and the shell to be occupied. This results in a relatively large gap between the cup body and the shell, making the arrangement of the cup body and the shell less compact, increasing the bulk of the liquid heater, and affecting its aesthetics. Summary of the Invention

[0006] In order to solve the above technical problems, the present application provides a liquid heater for detecting liquid level remotely. It only requires to set an outward protruding avoidance cavity through the outer cup to accommodate the detection plate installed in the outer cup together with the glass inner cup, which effectively solves the problem of complex installation structure and cumbersome installation process of the detection plate of the existing double-layer cup structure of the food processor.

[0007] The present application provides a liquid heater for detecting liquid level in the air, comprising a glass inner cup and an outer cup mounted outside the glass inner cup, wherein a detection plate for detecting liquid level height in the air is fittedly mounted on the outer wall of the glass inner cup, and an outwardly protruding avoidance cavity is provided on the inner wall of the outer cup, wherein the avoidance cavity extends toward the cup edge of the outer cup and has an upper end opening formed at the cup edge, and after the detection plate is mounted on the outer wall of the glass inner cup, it is mounted in the outer cup together with the glass inner cup, and the detection plate is placed in the avoidance cavity through the upper end opening.

[0008] By providing an outwardly protruding avoidance cavity on the outer cup, the detection plate is first installed on the outer wall of the inner glass cup, and then installed inside the outer cup along with the inner glass cup. During the installation process, the detection plate can be placed into the avoidance cavity through the upper opening of the outer cup. After the inner glass cup is installed, the detection plate is also completely placed in the avoidance cavity. By providing the avoidance cavity, it is only necessary to fix the detection plate on the inner glass cup and then place it in the avoidance cavity. There is no need to set up other additional parts to assist in the installation of the detection plate. The structure is simpler and the installation process is simple and quick. In addition, because the avoidance cavity is provided by the outward protrusion of the inner wall of the outer cup, it does not occupy the space between the inner and outer glass cups, making the gap between the inner and outer glass cups smaller. In addition, placing the detection plate in the avoidance cavity can further reduce the gap between the inner and outer glass cups, making the arrangement of the inner and outer glass cups more compact, which also makes the liquid heater smaller and more beautiful. In addition, the avoidance cavity and the detection plate have the function of preventing the inner glass cup from being misplaced during installation.

[0009] As a preferred technical solution, the liquid heater further includes a shielding structure, and the shielding structure is configured to shield the upper opening.

[0010] In order to prevent water vapor and dirt from entering the avoidance cavity through the upper opening and affecting the detection accuracy and life of the detection plate, a shielding structure is provided at the upper opening. The shielding structure shields the upper opening, thereby achieving closure of the upper opening. Moreover, compared with the unsightly situation of an open upper opening, this technical solution also makes the integrity between the inner and outer cups of the glass better and more beautiful.

[0011] As a preferred technical solution, the shielding structure includes a shielding plug, which is inserted into the upper opening with an interference fit.

[0012] The blocking plug is directly inserted into the upper opening to block and close the upper opening. The operator only needs to simply insert the blocking plug into the upper opening. The installation method is simple and fast, and the assembly efficiency is higher. The blocking plug can preferably be made of a flexible material such as silicone to make it easier for the operator to install.

[0013] As a preferred technical solution, sealing rings are provided at the rims of the inner glass cup and the outer glass cup, and the sealing rings press the blocking plug against the upper opening.

[0014] A sealing ring is installed between the inner and outer glass cups, ensuring a seal between them. Once installed, it also compresses the obstructing plug against the upper opening, effectively preventing it from falling out. Furthermore, the obstructing plug and the sealing ring are designed independently, allowing for independent processing and facilitating manufacturing. Optionally, the obstructing plug can be made of the same material and color as the sealing ring, further enhancing the aesthetics of the liquid heater.

[0015] Alternatively, sealing rings are provided at the rims of the inner glass cup and the outer glass cup, and the blocking plug is integrally formed with the sealing rings.

[0016] The sealing ring and the blocking plug are formed in one piece. When the sealing ring is installed, the blocking plug is simultaneously inserted into the upper opening, which further simplifies the processing technology and installation steps and improves the assembly efficiency.

[0017] As a preferred technical solution, the inner glass cup is provided with a step surface protruding outward and abutting against the edge of the outer cup, the shielding structure is the step surface, and the step surface shields the upper end opening.

[0018] The upper opening is shielded and closed by the stepped surface formed by the outward protrusion of the glass inner cup, eliminating other components for shielding the upper opening and making the structure simpler.

[0019] Alternatively, the liquid heater further comprises a handle, wherein the handle has a connecting portion connected to the glass inner cup, the shielding structure is the connecting portion, and the connecting portion shields the upper end opening.

[0020] By providing a connecting portion on the handle as a shielding structure, the function of shielding the upper end opening is added on the basis of the pick-up and put function of the handle. Moreover, the upper end opening is shielded by the connecting portion on the handle, so that the upper end opening can be closed inside the handle, thereby solving the unsightly problem caused by the upper end opening being exposed to the outside.

[0021] As an optimal technical solution, the outer cup is provided with a protruding portion protruding outward, an interactive interface is provided on the outside of the protruding portion, and the avoidance cavity is provided inside the protruding portion, and a control panel corresponding to the interactive interface is installed in the avoidance cavity.

[0022] The raised portion is provided with a relief cavity, and the interactive interface is located outside the raised portion. This not only solves the problem of forming the relief cavity, but also serves as a carrier for the interactive interface, fully utilizing the raised portion's structural characteristics. Furthermore, this technical solution integrates the liquid heater's interactive interface and the relief cavity into one, beautifying the raised portion while eliminating the additional components required to install the interactive interface. This reduces the additional structure, space, and cost associated with installing the interactive interface.

[0023] As a preferred technical solution, the protrusion is integrally formed on the outer cup;

[0024] Alternatively, the outer cup is provided with a through installation opening, and the protrusion is fixed at the installation opening to close the installation opening.

[0025] The protrusion is separated from the outer cup, so that the processing technology of the outer cup is simpler, and the protrusion can be manufactured separately, which is convenient for later disassembly and maintenance.

[0026] As an optimal technical solution, the liquid heater also includes a mounting bracket glued to the outer wall of the glass inner cup, the mounting bracket has an annular edge, and a mounting groove is formed between the edge and the outer wall of the glass inner cup, and the detection board is fixedly installed in the mounting groove.

[0027] Through the above-mentioned mounting groove, the detection board can be fixed in the mounting groove, and the detection board is set close to the outer wall of the glass inner cup, which increases the detection sensitivity of the detection board and also makes it easier for the detection board to be inserted into the outer cup together with the glass inner cup.

[0028] As an optimal technical solution, a first glue potting layer is provided in the installation groove and formed by glue potting before the detection board is installed. The detection board is attached to the surface of the first glue potting layer. The installation groove also provides a second glue potting layer and formed by glue potting on the outside of the detection board after the detection board is installed.

[0029] First, the detection board is fixed by the first glue potting layer, so that the detection board is firmly positioned in the installation groove to prevent the detection board from moving in the installation groove or falling off from the installation groove. After the detection board is installed, the second glue potting layer is glued on the outside of the detection board. The second glue potting layer can further fix the detection board and apply pressure to the detection board, so that the detection board is always tightly attached to the first glue potting layer.

[0030] As a preferred technical solution, the inner glass cup bulges inward to form a spoiler rib, the spoiler rib forms a depression on the outer wall of the inner glass cup, and the detection plate is fittedly installed in the depression.

[0031] That is, while the spoiler ribs are formed, a depression is formed on the outer wall of the inner glass cup. The detection plate is fixedly installed on the outer wall of the inner glass cup through the depression, so that the thickness of the part of the detection plate protruding from the outer wall of the inner glass cup becomes smaller, which means that the avoidance cavity set in the outer cup does not need to be too large, reducing the difficulty of forming the outer cup.

[0032] Alternatively, the outer cup is provided with a protruding portion protruding outward, the avoidance cavity is provided in the protruding portion, the liquid heater also includes a handle covering the protruding portion, the handle includes a mounting plate and a gripping portion connected to the mounting plate, and the mounting plate has a receiving groove for receiving the protruding portion.

[0033] A mounting plate is provided through the handle, and the mounting plate is provided with a receiving groove, which accommodates the raised portion of the outer cup, thereby covering the raised portion. On the one hand, it effectively prevents water vapor and dirt from entering the avoidance cavity, and on the other hand, it also improves the aesthetics of the entire liquid heater. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0035] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0036] Figure 1 This is a schematic diagram of the three-dimensional structure of the liquid heater for remote liquid level detection according to the first embodiment of the present application;

[0037] Figure 2 This is a schematic diagram of the assembly of the glass inner cup, outer cup and handle according to Example 1 of the present application;

[0038] Figure 3This is a schematic diagram of the three-dimensional structure of the liquid heater for remote liquid level detection according to the first embodiment of the present application, without showing the base and cover;

[0039] Figure 4 This is a cross-sectional view of the liquid heater with remote liquid level detection according to the first embodiment of the present application, without showing the base and cover;

[0040] Figure 5 This is a schematic diagram of the three-dimensional structure of the outer cup according to Example 1 of the present application;

[0041] Figure 6 This is a cross-sectional view of the outer cup according to Example 1 of the present application;

[0042] Figure 7 This is a schematic diagram of the state of the glass inner cup being placed on the outer cup according to the first embodiment;

[0043] Figure 8 For the first embodiment Figure 4 A magnified schematic diagram of point A;

[0044] Figure 9 This is a structural schematic diagram of a step surface of a glass inner cup in which the shielding structure according to the first embodiment of the present application is provided;

[0045] Figure 10 This is a structural diagram of the connecting portion of the handle in which the shielding structure described in Example 1 of the present application is a handle;

[0046] Figure 11 This is a schematic diagram of the assembly structure of the mounting bracket and the glass inner cup according to the first embodiment of the present application;

[0047] Figure 12 This is a structural diagram of an interactive interface provided on the raised portion of the second embodiment of the present application;

[0048] Figure 13 This is a schematic diagram of the separate arrangement of the raised portion and the outer cup as described in Example 3 of the present application.

[0049] in:

[0050] 1. Glass inner cup; 11. Step surface; 2. Outer cup; 21. Mounting port; 3. Detection plate; 4. Handle; 41. Connecting part; 42. Mounting plate; 43. Grip; 5. Machine base; 6. Machine cover; 7. Crushing blade; 8. Sealing ring; 9. Mounting bracket; 91. Buckle; 10. Avoidance cavity; 101. Upper opening; 20. Raised part; 30. Shielding plug; 301. Insertion part; 302. Overlapping part; 40. Interactive interface. DETAILED DESCRIPTION

[0051] In order to more clearly understand the above-mentioned objectives, features and advantages of the present application, the scheme of the present application will be further described below. It should be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other.

[0052] In the following description, many specific details are set forth to facilitate a full understanding of the present application, but the present application can also be implemented in other ways different from those described herein; it is obvious that the embodiments in the specification are only part of the embodiments of the present application, not all of the embodiments.

[0053] Example 1

[0054] This embodiment provides a liquid heater capable of detecting liquid level remotely. The liquid heater may be an electrical appliance capable of processing slurry, such as a soymilk maker, a wall-breaking machine, a kettle, or a health-preserving kettle.

[0055] Figure 1 This is a schematic diagram of the three-dimensional structure of the liquid heater for remote liquid level detection provided by this embodiment. Figure 2 This is a schematic diagram of the assembly of the glass inner cup 1, outer cup 2 and handle 4 provided in this embodiment. Figure 3 The three-dimensional structural diagram of the liquid heater for remote liquid level detection provided in this embodiment does not show the base 5 and the cover 6. Figure 4 The cross-sectional view of the liquid heater for detecting liquid level in the air provided in this embodiment does not show the base 5 and the cover 6. Figure 1-4 As shown, the liquid heater of this embodiment includes a glass inner cup 1, an outer cup 2, a detection plate 3, a handle 4, a machine base 5, a machine cover 6, a motor and a crushing blade 7, wherein the crushing blade 7 is placed in the glass inner cup 1, and the motor is installed in the machine base 5. The output end of the motor drives the crushing blade 7 to rotate the crushing blade 7 to achieve the crushing of the food in the glass inner cup 1. The above-mentioned detection plate 3 is installed on the outer wall of the glass inner cup 1 and is installed in the outer cup 2 together with the glass inner cup 1. The detection plate 3 is used to detect the liquid level of the slurry in the glass inner cup 1 from a distance to achieve liquid level detection and overflow prevention detection. The above-mentioned handle 4 is installed on the glass inner cup 1 and / or the outer cup 2, and the machine cover 6 is buckled at the top edge of the glass inner cup 1.

[0056] In this embodiment, if Figure 1 As shown, the liquid heater's base 5 is a separate structure from the inner and outer glass cups 1 and 2. Specifically, the inner and outer glass cups 1 and 2, the detection plate 3, and the handle 4 form a cup body structure that can be placed on the base 5. When placed on the base 5, the motor within the base 5 can be driven and connected to the crushing blade 7. When the cup body structure needs to be removed from the base 5, the motor and crushing blade 7 are separated.

[0057] Of course, it is understandable that the base 5 of the liquid heater of this embodiment can also be an integrated structure with the glass inner cup 1 and the outer cup 2 , in which case the base 5 is fixed to the bottom of the outer cup 2 .

[0058] Please refer to Figure 3 and Figure 4 The inner glass cup 1 is placed inside the outer glass cup 2, and the inner glass cup 1 and the outer glass cup 2 are sealed together by a sealing ring 8. The top of the handle 4 is buckled on the top edge of the inner glass cup 1, and the bottom is fixedly mounted on the bottom of the outer glass cup 2. Of course, it is understandable that the handle 4 can also be directly mounted on the outer glass cup 2.

[0059] In the prior art, in the solution disclosed in CN202323177823.5, a mounting groove extending toward the cup body is provided on the inner wall of the shell, a detection plate is installed in the mounting groove, and a push piece is fixedly installed on the outer side of the shell. The push piece can press the detection plate from a first position to a second position abutting against the outer wall of the glass inner cup. However, regardless of whether the mounting groove is extended from the inner wall of the shell to the cup body, or the detection plate is moved from the first position to the second position, it is necessary to occupy the space between the cup body and the shell, which results in a relatively large gap between the cup body and the shell. The arrangement of the cup body and the shell is not compact enough, which increases the volume of the liquid heater and affects the appearance. Moreover, the provision of the mounting groove and the push piece also makes the installation structure of the detection plate more complicated and the installation process more cumbersome.

[0060] In order to solve the above problems, Figure 3-Figure 7 As shown, Figure 5 This is a schematic diagram of the three-dimensional structure of the outer cup 2 provided in this embodiment. Figure 6 This is a cross-sectional view of the outer cup 2 provided in this embodiment. Figure 7 This is a schematic diagram of the state of the glass inner cup 1 being placed on the outer cup 2 provided in this embodiment. Figure 4 and Figure 6 As shown, the inner wall of the outer cup 2 of this embodiment is provided with an outwardly protruding avoidance cavity 10, which extends from the lower part of the outer cup 2 to the cup edge of the outer cup 2, and has an upper end opening 101 formed at the cup edge of the outer cup 2. When the detection plate 3 is installed on the outer wall of the glass inner cup 1, it is installed in the outer cup 2 together with the glass inner cup 1. During the installation process, Figure 7 As shown, the detection board 3 passes through the upper opening 101 and is placed in the avoidance cavity 10 , and the avoidance cavity 10 accommodates the detection board 3 .

[0061] By setting an outward-protruding avoidance cavity 10 on the inner wall of the outer cup 2, the detection board 3 only needs to be fixed on the glass inner cup 1 and then placed in the avoidance cavity 10. No additional components are required to assist in the installation of the detection board 3. The entire installation structure is simpler and the installation process is simple and quick.

[0062] Furthermore, compared to the prior art, where the structure housing the detection plate 3 occupies the space between the inner glass cup 1 and the outer glass cup 2, the avoidance cavity 10 of this embodiment is formed by a protrusion from the inner wall of the outer glass cup 2. This does not occupy the space between the inner glass cup 1 and the outer glass cup 2, thus reducing the gap between the inner glass cup 1 and the outer glass cup 2. Furthermore, placing the detection plate 3 within the avoidance cavity 10 further reduces the gap between the inner glass cup 1 and the outer glass cup 2, making the arrangement of the inner glass cup 1 and the outer glass cup 2 more compact, thereby making the liquid heater smaller and more aesthetically pleasing. Furthermore, during the installation and mating process of the avoidance cavity 10 and the detection plate 3, the mating positional relationship between the two also serves to prevent the inner glass cup 1 from being misaligned.

[0063] It should be pointed out that in this embodiment, the width of the avoidance cavity 10 is greater than the width of the detection board 3, and the depth is greater than the thickness of the detection board 3, thereby effectively avoiding the inner wall of the avoidance cavity 10 from damaging the detection board 3 during the installation process.

[0064] In this embodiment, the outer cup 2 is provided with a protruding portion 20 protruding outward, and a relief cavity 10 is provided in the protruding portion 20. For example, Figure 5 As shown, the raised portion 20 can be integrally formed on the outer cup 2. During the manufacture of the outer cup 2, the raised portion 20 can be formed simultaneously, simplifying the assembly process of the raised portion 20 and the outer cup 2 and saving assembly time. The raised portion 20 is arranged to protrude outward, so that the aforementioned escape cavity 10 can be formed therein. The detection plate 3 can be installed in the escape cavity 10 formed by the raised portion 20.

[0065] In order to prevent water vapor and dirt from entering the avoidance chamber 10 through the upper opening 101 of the avoidance chamber 10, and at the same time make the avoidance chamber 10 and the cup edges of the glass inner cup 1 and the outer cup 2 more beautiful, this embodiment is also provided with a shielding structure, which can shield the upper opening 101, effectively protecting the detection plate 3 in the avoidance chamber 10 and extending the service life of the detection plate 3.

[0066] As an optional technical solution, Figure 8 As shown, the shielding structure of this embodiment can be a shielding plug 30. When shielding the upper opening 101, the shielding plug 30 is directly inserted into the upper opening 101 with an interference fit. The provision of the shielding plug 30 makes the sealing of the upper opening 101 simpler and more convenient. The operator only needs to insert the shielding plug 30 into the upper opening 101, which improves assembly efficiency. In addition, to further facilitate installation by the operator, the shielding plug 30 can also be made of a flexible material such as silicone, making it soft and having a certain degree of compression. Therefore, when the shielding plug 30 is inserted with an interference fit, it will not generate excessive resistance.

[0067] Figure 8In the scheme shown, an annular sealing ring 8 is provided at the rim of the inner glass cup 1 and the outer glass cup 2, and the sealing ring 8 is used to seal the rim of the inner glass cup 1 and the outer glass cup 2. On this basis, the sealing ring 8 of this embodiment will also exert a certain pressure on the shielding plug 30, that is, the sealing ring 8 can press the shielding plug 30 at the upper end opening 101, which can effectively prevent the shielding plug 30 from falling off from the upper end opening 101. In addition, the shielding plug 30 and the sealing ring 8 are independently provided, so that the shielding plug 30 can be processed independently, which is convenient for production and manufacturing. Optionally, the shielding plug 30 can be made of the same material and color as the sealing ring 8, making the liquid heater more beautiful.

[0068] Furthermore, Figure 8 In the scheme shown, the blocking plug 30 includes an insertion portion 301 that is inserted into the upper opening 101 with interference fit and an overlapping portion 302 that overlaps the top of the cup edge of the outer cup 2. The overlapping portion 302 can prevent the blocking plug 30 from going too deep into the upper opening 101. When the detection plate 3 needs to be maintained later, the overlapping portion 302 can facilitate the disassembly of the blocking plug 30.

[0069] It is understandable that, in addition to Figure 8 In addition to the structure shown in which the blocking plug 30 and the sealing ring 8 are separately provided, the blocking plug 30 and the sealing ring 8 of this embodiment can also be formed as a whole. When installing the sealing ring 8, the blocking plug 30 is simultaneously inserted into the upper end opening 101, further simplifying the processing technology and installation steps and improving assembly efficiency.

[0070] As another optional technical solution, Figure 9 As shown, the shielding structure of this embodiment can be a step surface 11 formed by the glass inner cup 1. Specifically, the glass inner cup 1 is provided with a step surface 11 protruding outward, and the step surface 11 abuts against the edge of the outer cup 2. The upper opening 101 is shielded by the step surface 11, which effectively prevents water vapor and dirt from entering the avoidance cavity 10 and protects the detection plate 3. Moreover, in this technical solution, there is no need to set up additional components such as shielding plugs. The shielding of the upper opening 101 can be completed by directly forming the step surface 11 integrally with the glass inner cup 1, and the structure is simpler. In addition, during installation, the detection plate 3 only needs to be inserted into the outer cup 2 along with the glass inner cup 1. After the detection plate 3 passes through the upper opening 101 and enters the avoidance cavity 10, the top of the upper opening 101 abuts against the step surface 11 and is shielded by the step surface 11. It can be seen that Figure 9 In the technical solution shown, shielding the upper opening 101 is simpler, faster and more convenient.

[0071] It is understandable that in this technical solution, it can be as follows Figure 9The step surface 11 shown is formed directly by bending the upper end of the inner glass cup 1. Alternatively, it can be formed by directly extending the rim of the inner glass cup 1 outward to form a flange, with the bottom surface of the flange overlapping the rim of the outer cup 2. In this case, part of the bottom surface of the flange serves as the step surface. Alternatively, it can be formed by directly extending a protrusion from the outer wall of the inner glass cup 1 outward. The protrusion can be an annular protrusion, in which case the annular protrusion overlaps the rim of the outer cup 2 and the bottom surface of the protrusion covers the upper end opening 101. The protrusion can also be a single protrusion, which directly covers the upper end opening 101, and the bottom surface of the protrusion serves as the step surface.

[0072] As another optional technical solution, Figure 10 As shown, the shielding structure of this embodiment can also be a connecting portion 41 provided on the handle 4. Specifically, a cavity is provided on the side of the handle 4 facing the inner glass 1, and the connecting portion 41 is provided in this cavity. The connecting portion 41 extends to the outer wall of the inner glass 1 and abuts against the outer wall of the inner glass 1. In this case, the connecting portion 41 can shield the upper end opening 101. By providing the connecting portion 41 on the handle 4 as a shielding structure, the function of shielding the upper end opening 101 is added to the pick-up and put-down function of the handle 4. The handle 4 can also seal the upper end opening 101 inside the handle 4, eliminating the unsightly appearance caused by the upper end opening 101 being exposed to the outside, and preventing the ingress of moisture and dirt.

[0073] Optionally, refer to Figure 3 The handle 4 may further include a mounting plate 42 and a gripping portion 43 connected to the mounting plate 42, wherein the gripping portion 43 is used to achieve the taking and placing of the liquid heater. The mounting plate 42 can be mounted on the outer cup 2, and a receiving groove is provided on the side of the mounting plate 42 facing the outer cup 2. The receiving groove is used to accommodate the protrusion 20, thereby covering the protrusion 20 and simultaneously covering the upper opening 101. On the one hand, it effectively prevents water vapor and dirt from entering the avoidance cavity, and on the other hand, it also improves the aesthetics of the entire liquid heater. Of course, it is understandable that in addition to directly covering the protrusion 20 and the upper opening 101 through the receiving groove, the connecting portion 41 can also be provided to cover the upper opening 101. The double shielding and closure achieved by the connecting portion 41 and the receiving groove has a better shielding effect.

[0074] like Figure 11 As shown, Figure 11This is a schematic diagram of the assembly structure of the mounting bracket 9 and the inner glass 1 provided in this embodiment. The liquid heater in this embodiment also includes a mounting bracket 9 glued to the outer wall of the inner glass 1. The mounting bracket 9 has an annular edge, and a mounting groove is formed between the annular edge and the outer wall of the inner glass 1. Through this mounting groove, the detection plate 3 can be fixed in the mounting groove, so that the detection plate 3 is placed closely against the outer wall of the inner glass 1, increasing the detection sensitivity of the detection plate 3 and facilitating the insertion of the detection plate 3 into the outer cup 2 along with the inner glass 1. It should be noted that the mounting bracket 9 in this embodiment also has latches 91 on two opposing side walls of the edge. After the detection plate 3 is installed in the mounting groove, the latches 91 can lock the detection plate 3 in place. Preferably, the latches 91 can be elastic. When the detection plate 3 is installed, the detection plate 3 presses down on the latches 91 and gradually passes over the latches 91. After passing over the latches 91, the latches 91 elastically return to the original position and lock the detection plate 3.

[0075] More preferably, a first glue potting layer is provided in the installation groove, which is formed by glue potting before the detection board 3 is installed. The detection board 3 is attached to the surface of the first glue potting layer. A second glue potting layer is also provided in the installation groove, which is formed by glue potting on the outside of the detection board 3 after the detection board 3 is installed. In other words, in this embodiment, the detection board 3 is first fixed by the first glue potting layer, so that the detection board 3 is firmly positioned in the installation groove to prevent the detection board 3 from moving in the installation groove or falling out of the installation groove. After the detection board 3 is installed, the second glue potting layer is glued on the outside of the detection board 3. The second glue potting layer can further fix the detection board 3 and apply pressure to the detection board 3, so that the detection board 3 is always in close contact with the first glue potting layer, thereby improving the detection accuracy of the detection board 3.

[0076] For example, the inner glass cup 1 is formed with an inwardly protruding spoiler rib, which forms a depression on the outer wall of the inner glass cup 1. In this embodiment, the detection plate 3 can also be snugly mounted in the depression. This structural arrangement forms the spoiler rib and, at the same time, a depression on the outer wall of the inner glass cup 1. The detection plate 3 is fixedly mounted on the outer wall of the inner glass cup 1 through this depression, reducing the thickness of the portion of the detection plate 3 protruding from the outer wall of the inner glass cup 1. This reduces the need for an excessively large avoidance cavity 10 provided in the outer cup 2, prevents interference between components on the detection plate 3 and the avoidance cavity 10, and prevents the outer cup 2 from being difficult to eject from the mold due to an overly large avoidance cavity 10, thereby affecting the production efficiency of the outer cup 2.

[0077] Example 2

[0078] This embodiment further utilizes the protrusion 20 on the basis of the first embodiment. Specifically, Figure 12 As shown, Figure 12This is a schematic diagram of the structure of the raised portion 20 provided in this embodiment, which includes an interactive interface 40. This embodiment provides an interactive interface 40 on the outer wall of the raised portion 20. This interactive interface 40 is connected to a control panel (not shown) located within the avoidance cavity 10. Through the interactive interface 40, an operator can interact with the device to select and control various functions of the liquid heater.

[0079] This embodiment arranges the interactive interface 40 outside the raised portion 20, allowing the raised portion 20 to not only solve the problem of forming the avoidance cavity 10 but also serve as a carrier for the interactive interface 40. This fully utilizes the structure of the raised portion 20 and beautifies the outer surface of the raised portion 20. Furthermore, this embodiment integrates the interactive interface 40 and the avoidance cavity 10 of the liquid heater into one body. While beautifying the raised portion 20, it also eliminates the need for additional parts of the liquid heater to mount the interactive interface 40, reducing the additional structure, space, and cost associated with installing the interactive interface 40 and simplifying the manufacturing process.

[0080] It should be pointed out that when installing the control board, space for placing the detection board 3 should be avoided. That is to say, a separate area for installing the control board can be set on the inner wall of the avoidance cavity 10, and this area will not affect the avoidance cavity 10's accommodation of the detection board 3.

[0081] In this embodiment, the interactive interface 40 may be a common film panel in the prior art, or an independent touch panel. This embodiment does not limit the specific structure of the interactive interface 40, as long as it meets the human-computer interaction function.

[0082] The rest of the structure of this embodiment is the same as that of the first embodiment and will not be described again.

[0083] Example 3

[0084] The difference between this embodiment and the first embodiment is that: Figure 13 As shown, the raised portion 20 of this embodiment is a separate structure from the outer cup 2. That is, the raised portion 20 is connected to the outer cup 2 as an independent component. In this case, the outer cup 2 is provided with a through-hole 21, and the raised portion 20 is removably fixed to the hole 21, thereby sealing the hole 21. For example, threaded holes can be provided on both sides of the hole 21 of the outer cup 2, and threaded holes can be provided at the bottom. Screws are passed through the sides and bottom of the raised portion 20 and threadedly connected to the threaded holes to achieve the connection between the raised portion 20 and the outer cup 2. Other methods such as gluing can also be used to achieve the connection between the raised portion 20 and the outer cup 2.

[0085] At this time, the inner wall of the raised portion 20 protrudes outward to form an avoidance cavity 10 , and the detection board 3 is installed in the avoidance cavity 10 .

[0086] In addition, in this embodiment, an interactive interface 40 is provided on the outer wall surface of the raised portion 20, and the interactive interface 40 is connected to a control panel disposed in the avoidance cavity 10. Through the interactive interface 40, the operator can perform human-computer interaction to select and control various functions of the liquid heater.

[0087] In this embodiment, the interactive interface 40 is directly mounted on the outer wall of the raised portion 20. Since the raised portion 20 is an independent component, when assembling the outer cup 2, the raised portion 20, and the interactive interface 40, the interactive interface 40 is preferably mounted outside the raised portion 20. The control panel is then installed in the avoidance cavity 10 and connected to the interactive interface 40. The raised portion 20, with the control panel and interactive interface 40 mounted thereon, is then mounted on the outer cup 2.

[0088] Furthermore, the protrusion 20 and the outer cup 2 can be installed by the protrusion 20 directly from the outside to the outside of the outer cup 2, or the protrusion 20 can pass through the installation opening 21 from the inside of the outer cup 2 and then be fixed to the inner wall of the outer cup 2.

[0089] The rest of the structure of this embodiment is the same as that of the first embodiment and will not be described again.

[0090] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0091] The foregoing description is intended only to provide specific embodiments of the present application, which will enable those skilled in the art to understand and implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments described herein, but is intended to be construed in the broadest manner consistent with the principles and novel features disclosed herein.

Claims

1. A liquid heater for detecting liquid level in the air, comprising a glass inner cup and an outer cup sleeved outside the glass inner cup, wherein a detection plate for detecting liquid level in the air is fittedly mounted on the outer wall of the glass inner cup, characterized in that: The inner wall of the outer cup is provided with an outwardly protruding avoidance cavity, which extends toward the cup edge of the outer cup and has an upper end opening formed at the cup edge. After the detection plate is installed on the outer wall of the glass inner cup, it is installed in the outer cup together with the glass inner cup, and the detection plate is placed in the avoidance cavity through the upper end opening.

2. The liquid heater with remote liquid level detection according to claim 1, characterized in that: The liquid heater further includes a shielding structure configured to shield the upper end opening.

3. The liquid heater with remote liquid level detection according to claim 2, characterized in that: The shielding structure includes a shielding plug, which is inserted into the upper end opening with an interference fit.

4. The liquid heater with remote liquid level detection according to claim 3, characterized in that: Sealing rings are provided at the rims of the inner glass cup and the outer glass cup, and the sealing rings press the blocking plug tightly against the upper opening; Alternatively, sealing rings are provided at the rims of the inner glass cup and the outer glass cup, and the blocking plug is integrally formed with the sealing rings.

5. The liquid heater with remote liquid level detection according to claim 2, characterized in that: The inner glass cup is provided with a stepped surface protruding outward and abutting against the edge of the outer cup, the shielding structure is the stepped surface, and the stepped surface shields the upper end opening; Alternatively, the liquid heater further comprises a handle, wherein the handle has a connecting portion connected to the glass inner cup, the shielding structure is the connecting portion, and the connecting portion shields the upper end opening.

6. The liquid heater with remote liquid level detection according to any one of claims 1 to 5, characterized in that: The outer cup is provided with a convex portion protruding outward, an interactive interface is provided on the outside of the convex portion, and the avoidance cavity is provided in the convex portion, and a control panel corresponding to the interactive interface is installed in the avoidance cavity.

7. The liquid heater with remote liquid level detection according to claim 6, characterized in that: The raised portion is integrally formed on the outer cup; Alternatively, the outer cup is provided with a through installation opening, and the protrusion is fixed at the installation opening to close the installation opening.

8. The liquid heater with remote liquid level detection according to any one of claims 1 to 5, characterized in that: The liquid heater also includes a mounting bracket glued to the outer wall of the glass inner cup, the mounting bracket has an annular edge, a mounting groove is formed between the edge and the outer wall of the glass inner cup, and the detection board is fixedly installed in the mounting groove.

9. The liquid heater with remote liquid level detection according to claim 8, characterized in that: A first glue potting layer is provided in the installation groove and formed by glue potting before the detection board is installed. The detection board is attached to the surface of the first glue potting layer. A second glue potting layer is also provided in the installation groove and formed on the outside of the detection board after the detection board is installed.

10. The liquid heater with remote liquid level detection according to any one of claims 1 to 5, characterized in that: The inner glass cup is convex inward to form a spoiler rib, and the spoiler rib is formed with a depression on the outer wall of the inner glass cup, and the detection plate is installed in the depression; Alternatively, the outer cup is provided with a protruding portion protruding outward, the avoidance cavity is provided in the protruding portion, the liquid heater also includes a handle covering the protruding portion, the handle includes a mounting plate and a gripping portion connected to the mounting plate, and the mounting plate has a receiving groove for receiving the protruding portion.

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