Electric rice cooker and rice soup box isolation state detection device

Abstract

The utility model discloses electric rice cooker rice soup box isolation state detection device belongs to electric rice cooker technical field. The device includes rice soup box seat, the rice soup box mechanism of containing in it, the detection component for inducting liquid level and the limit switch for judging installation state, and the device still includes quick release mechanism for the detachable installation of detection component in the inner wall of rice soup box seat, and quick release mechanism includes the protruding block connected with detection component, and the outer wall of protruding block is equipped with recess, and quick release mechanism still includes the lock block of recess sliding joint, and with the sliding disc of lock block connection, sliding rod and the spring of setting on sliding rod, when moving detection component outward, and protruding block drives lock block to extrude sliding disc and compress spring. The utility model discloses through setting quick release mechanism, has solved the problem of detection component damage after difficult replacement, high maintenance cost in the prior art, and simultaneously adopts the isolation response mode, avoided sensor by rice soup pollution, improved the reliability of detection and the service life of device.

Description

Technical Field

[0001] This utility model relates to the field of rice cooker technology, and in particular to a device for detecting the isolation status of the rice soup box in a rice cooker. Background Technology

[0002] With the improvement of living standards, rice cookers have become an indispensable kitchen appliance in modern families. During the process of cooking rice in a rice cooker, a large amount of rice water and steam condensate are produced. In order to keep the kitchen environment clean and facilitate cleaning, most rice cookers are designed with a special rice water collection box for collecting these liquids.

[0003] To ensure the normal and safe operation of rice cookers and improve the user experience, real-time monitoring of the rice water container's status is crucial. For example, the device needs to determine if the rice water container is correctly installed to prevent overflow; it also needs to monitor the liquid level inside the container to remind the user to empty it when it's nearly full, preventing spills that could contaminate the machine or countertop. Therefore, integrating corresponding detection devices into the rice water container has become a common practice in the industry.

[0004] Existing detection devices, especially sensors used for liquid level sensing, have revealed some inherent defects in practical use. Because rice water has a certain viscosity and the temperature is high when the rice cooker is operating, if a direct contact sensing method is used, the probe will be directly immersed in the rice water. Over time, substances such as starch in the rice water easily adhere to and form scale on the probe surface, affecting not only the sensitivity and accuracy of the detection but also corroding the sensor, ultimately leading to its malfunction or damage.

[0005] More importantly, these detection components are typically integrated tightly into the rice cooker's structure as internal parts, installed using screws or snap-fit ​​molding. Once the sensors are damaged due to the aforementioned contamination or aging issues, repair or replacement becomes extremely difficult. Repair personnel often need to disassemble a large area of ​​the rice cooker's outer casing, a cumbersome and time-consuming process that not only significantly increases after-sales maintenance costs but also causes considerable inconvenience to users.

[0006] Therefore, this utility model proposes a rice cooker rice soup box isolation status detection device to overcome the shortcomings of the prior art. Utility Model Content

[0007] In view of the problems in the existing technology of rice cooker rice water box isolation status detection device, the detection components are easily contaminated by rice water, causing detection failure, and the structure is built-in and fixed, making repair and replacement extremely inconvenient after damage. The present invention aims to provide a rice cooker rice water box isolation status detection device with improved structure that can effectively solve the above problems.

[0008] This utility model provides a rice cooker rice water box isolation status detection device, including: rice water box base, rice water box mechanism, detection component, limit switch; and quick release mechanism.

[0009] The quick-release mechanism includes a protrusion fixedly connected to the rear end of the detection component, and the outer wall of the protrusion has a groove extending along its axial direction; the quick-release mechanism also includes a locking block, one end of which is fixedly connected to a sliding disk, and the other side of the sliding disk is fixedly connected to a sliding rod, and the outer wall of the sliding rod is sleeved with a spring.

[0010] Furthermore, the locking block is slidably engaged in the groove of the protrusion, one end of the spring abuts against the sliding disk, and the other end abuts against the inner wall of the rice soup box base, thereby forming a detachable connection structure in which the sliding disk is squeezed by the linkage between the protrusion and the locking block when the detection component is pulled outward, thereby compressing the spring to achieve unlocking.

[0011] Preferably, the detection component includes an upper detection block and a lower detection block spaced apart vertically. The upper detection block is fixed to the top of the inner wall of the rice water container to provide a monitoring signal for a high rice water level; the lower detection block is fixed to the bottom of the inner wall of the rice water container to provide an initial monitoring signal for the rice water level from zero to full.

[0012] Preferably, both the upper detection block and the lower detection block are isolated sensing modules using capacitive sensing chips. This type of module does not require physical contact between its sensing area and the liquid in the rice water container; instead, it determines the liquid's state through non-contact changes in the electric field and converts these state changes into easily processed electrical signals.

[0013] Preferably, the rice water container mechanism includes a rice water carrier as the main body of the container, and a rice water container lid that is rotatably connected to the top of the rice water carrier via a hinge. This rotatable connection method facilitates the opening and closing of the rice water container lid, making it convenient for users to pour out rice water or perform internal cleaning.

[0014] Preferably, to improve ease of use, the front outer wall of the rice water container is integrally formed with a handle that is easy for users to grip and pull out. At the same time, the rear end of the rice water container lid has a centralized rice water outlet for easy directional pouring of liquid.

[0015] Preferably, a latch is also provided on the outer wall of the tail of the rice water container. The latch engages with a pre-set mating structure on the rice water container base to form a stable limiting and fixing mechanism, preventing the rice water container mechanism from accidentally loosening or falling out during use.

[0016] Preferably, the tail end of the rice water box mechanism is provided with a special abutment protrusion, and the limit switch is a small limit micro switch, whose contact is directly opposite the movement path of the abutment protrusion in the installation position, ensuring that the abutment protrusion can effectively squeeze the contact to trigger the signal only when the rice water box mechanism is fully installed in place, thus avoiding misjudgment.

[0017] Preferably, the groove on the outer wall of the protrusion in the quick-release mechanism is a vertical groove, and the locking block is correspondingly provided with a ridge that matches the shape of the vertical groove. The sidewall of the ridge and the inner sidewall of the vertical groove form a tight sliding fit surface. This structure can provide precise guidance for the reciprocating movement of the locking block, ensuring the smoothness and reliability of the unlocking and resetting process.

[0018] This utility model has the following beneficial effects: 1. This utility model, by setting upper and lower detection blocks fixed to the inner wall of the rice water box, and adopting an isolated sensing method to monitor the liquid level in the rice water box in a non-contact manner, solves the problems of corrosion, dirt, cleaning difficulties and detection failure caused by direct contact of the contact sensor with rice water in the prior art. It achieves the technical effect of accurately and reliably monitoring the liquid level of rice water, and significantly improves the durability and hygiene of the device.

[0019] 2. This utility model, through the design of a quick-release mechanism ingeniously composed of protrusions, locking blocks, sliding discs, springs and sliding rods, realizes the detachable connection between the detection component and the rice soup box base. It solves the technical problem that the detection component is usually a built-in fixed structure in the prior art, which makes replacement extremely inconvenient and costly once damaged. It achieves the technical effect of quickly and conveniently replacing the detection component without disassembling a large area of ​​the outer shell, greatly simplifying the after-sales maintenance process.

[0020] 3. This utility model combines a limit switch for determining physical position with a detection component for sensing liquid level, solving the problem that a single detection method cannot provide comprehensive information and cannot fully determine the actual working status of the rice water box. It achieves the technical effect of dual monitoring of whether the rice water box is "installed properly" and "internal liquid level status", ensuring the intelligent and safe operation of the rice cooker. Attached Figure Description

[0021] Figure 1 This is a three-dimensional schematic diagram of the rice cooker rice soup box isolation status detection device proposed in this utility model; Figure 2 This is a schematic diagram of the limit switch of the rice cooker rice soup box isolation state detection device proposed in this utility model; Figure 3 This is a schematic diagram of the upper detection block of the rice cooker rice soup box isolation state detection device proposed in this utility model; Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0022] Legend: 1. Rice water container stand; 2. Rice water container mechanism; 21. Rice water container; 22. Rice water container lid; 23. Handle; 24. Rice water outlet; 25. Lock; 26. Limit switch; 27. Detection component; 271. Upper detection block; 272. Lower detection block; 3. Quick release mechanism; 31. Protrusion; 32. Locking block; 33. Sliding plate; 34. Spring; 35. Sliding rod. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Example

[0024] Reference Figures 1 to 4 This utility model provides a rice cooker rice water box isolation status detection device, which aims to solve the problem that the detection device in the prior art is easily contaminated by rice water and is difficult to repair or replace after damage.

[0025] The rice cooker rice water container isolation status detection device includes a rice water container base 1 as a mounting base, and a rice water container mechanism 2 detachably housed within the rice water container base 1. The inner wall of the rice water container base 1 is equipped with a detection component 27 for detecting the liquid level in the rice water container mechanism 2. Meanwhile, a limit switch 26 is fixedly connected to the outer wall of the rice water container base 1. The limit switch 26 is used to detect whether the rice water container mechanism 2 is correctly installed in place. The core of this solution is that the device also includes a quick-release mechanism 3 for detachably installing the detection component 27 on the inner wall of the rice water container base 1. Through the design of the quick-release mechanism 3, the detection component 27 can be quickly replaced.

[0026] The quick-release mechanism 3 includes a protrusion 31 fixedly connected to the rear end of the detection component 27. The outer wall of the protrusion 31 has a groove extending along its axial direction. The quick-release mechanism 3 also includes a locking block 32, which is slidably engaged in the groove of the protrusion 31. One end of the locking block 32 is fixedly connected to a sliding plate 33, and the side of the sliding plate 33 away from the locking block 32 is fixedly connected to a sliding rod 35. A spring 34 is sleeved on the outer wall of the sliding rod 35. One end of the spring 34 abuts against the sliding plate 33, and the other end abuts against the inner wall of the rice water box base 1. This whole structure works together so that when the detection component 27 is moved outward by the maintenance personnel, the protrusion 31 drives the locking block 32 to press the sliding plate 33 inward. The sliding plate 33 continues to drive the sliding rod 35 to move and compress the spring 34, thereby unlocking and allowing the detection component 27 to be removed smoothly.

[0027] The detection component 27 includes an upper detection block 271 and a lower detection block 272 arranged vertically at intervals. The upper detection block 271 is fixed to the top of the inner wall of the rice soup container 1 to monitor the high liquid level of the rice soup, while the lower detection block 272 is fixed to the bottom of the inner wall of the rice soup container 1 to monitor the presence or absence of rice soup. Both the upper detection block 271 and the lower detection block 272 are isolated sensing modules using capacitive sensing chips. They sense the liquid presence state inside the rice soup container mechanism 2 in a non-contact manner and output corresponding level signals.

[0028] The rice soup container mechanism 2 includes a rice soup carrier 21 as the main body of the container, and a rice soup container cover 22 that is rotatably connected to the top of the rice soup carrier 21 via a hinge. To facilitate user operation, a handle 23 is integrally formed on the front outer wall of the rice soup carrier 21 for easy pulling. At the same time, a rice soup outlet 24 for pouring out rice soup is opened at the rear end of the rice soup container cover 22. To ensure stable installation, a latch 25 is also provided on the rear outer wall of the rice soup carrier 21. The latch 25 is used to engage with the mating structure on the rice soup container base 1, thereby stably fixing the rice soup container mechanism 2 inside the rice soup container base 1.

[0029] The tail end of the rice soup box mechanism 2 is provided with an abutment protrusion. The limit switch 26 is specifically a small limit micro switch. Its contact is directly opposite the moving path of the abutment protrusion. When the rice soup box mechanism 2 is fully pushed into the rice soup box seat 1, the abutment protrusion will precisely squeeze the contact of the limit switch 26, thereby changing the internal circuit state and outputting a clear position level signal.

[0030] The groove on the outer wall of the protrusion 31 is specifically a vertical groove, and the locking block 32 has a corresponding ridge that matches the vertical groove. The side of the ridge and the side wall of the vertical groove form a tight sliding fit. This structure can effectively guide the locking block 32 to move stably along a predetermined trajectory, preventing it from deflecting or getting stuck during unlocking or resetting.

[0031] The implementation principle of this application embodiment is as follows: the rice soup box base 1 is the external support structure of the device, the rice soup box mechanism 2 is the internal container for holding rice soup, wherein the inner wall of the rice soup box mechanism 2 is equipped with a detection component 27, the detection component 27 is used to detect the liquid level of rice soup, and the quick-release mechanism 3 is a structure on one side of the detection component 27, used to replace the detection component 27. In the design, the rice soup box mechanism 2 includes multiple structures. The rice soup container 21 is the main body of the device. A rice soup box cover 22 that can be opened and closed is provided on the top of the rice soup container 21. The tail end of the rice soup box cover 22 has a rice soup outlet 24. The head end of the rice soup container 21 is fixed with a handle 23 for disassembling the rice soup container 21 from the inside of the rice soup box base 1. A latch 25 is provided at the place where the tail end of the rice soup container 21 contacts the rice soup box base 1. A limit switch 26 is provided on the outer wall of the rice soup box base 1. A detection component 27 is provided on the inner wall of the rice soup box base 1. The upper detection block 271 is provided on the top of the inner wall of the outer shell of the rice soup box base 1, and the lower detection block 272 is provided on the bottom for monitoring the liquid level of rice soup inside the rice soup container 21. When the detection component 27 needs to be replaced, the upper detection block 271 or the lower detection block 272 is moved outward. Then, the upper detection block 271 or the lower detection block 272 will drive the protrusion 31 fixedly connected to the inner wall to move outward. In the design, the outer wall of the protrusion 31 has a vertical groove for cooperating with the locking block 32. Then, the protrusion 31 drives the locking block 32 to move inward, pressing the sliding disk 33 fixedly connected to one end of the locking block 32. Then, the sliding disk 33 presses the sliding rod 35 fixed to the other side of the sliding disk 33 at the rear end, and presses the spring 34 sleeved on the outer wall of the sliding rod 35 to achieve the unlocking effect. When the process is completed, the device will return to its original state under the action of the spring 34.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A rice cooker rice water box isolation status detection device, including a rice water box base (1) and a rice water box mechanism (2) detachably housed in the rice water box base (1), wherein a detection component (27) for detecting the liquid level in the rice water box mechanism (2) is fixedly connected to the inner wall of the rice water box base (1), and a limit switch (26) is fixedly connected to the outer wall of the rice water box base (1), wherein the limit switch (26) is used to detect whether the rice water box mechanism (2) is installed in place; Its features are, It also includes a quick-release mechanism (3) for detachably mounting the detection component (27) to the inner wall of the rice soup container (1); The quick-release mechanism (3) includes a protrusion (31) fixedly connected to the rear end of the detection component (27). The outer wall of the protrusion (31) has a groove extending along its axial direction. The quick-release mechanism (3) also includes a locking block (32). The locking block (32) is slidably engaged in the groove. One end of the locking block (32) is fixedly connected to a sliding disk (33). A sliding rod (35) is fixedly connected to the side of the sliding disk (33) away from the locking block (32). A spring (34) is sleeved on the outer wall of the sliding rod (35). One end of the spring (34) abuts against the sliding disk (33), and the other end abuts against the inner wall of the rice soup box seat (1). When the detection component (27) is moved outward, the protrusion (31) drives the locking block (32) to press the sliding disk (33) inward, thereby compressing the spring (34) to unlock.

2. The rice cooker rice water box isolation status detection device according to claim 1, characterized in that, The detection component (27) includes an upper detection block (271) and a lower detection block (272) arranged at intervals along the vertical direction. The upper detection block (271) is fixed to the top of the inner wall of the rice soup box (1) to monitor the high level of rice soup. The lower detection block (272) is fixed to the bottom of the inner wall of the rice soup box (1) to monitor the presence or absence of rice soup.

3. The rice cooker rice water box isolation status detection device according to claim 2, characterized in that, Both the upper detection block (271) and the lower detection block (272) are isolated sensing modules using capacitive sensing chips. The modules sense the liquid state inside the rice soup box mechanism (2) in a non-contact manner and output corresponding level signals.

4. The rice cooker rice water box isolation status detection device according to claim 1, characterized in that, The rice soup container mechanism (2) includes a rice soup container (21) as the main body of the container, and a rice soup container cover (22) that is rotatably connected to the top of the rice soup container (21) by a hinge.

5. The rice cooker rice water box isolation status detection device according to claim 4, characterized in that, The front outer wall of the rice water container (21) is integrally formed with a handle (23) for easy pulling, and the rear end of the rice water container cover (22) is provided with a rice water outlet (24) for pouring out rice water.

6. The rice cooker rice water box isolation status detection device according to claim 4, characterized in that, A latch (25) is also provided on the outer wall of the tail of the rice soup container (21). The latch (25) is used to engage with the mating structure on the rice soup container seat (1) to stably fix the rice soup container mechanism (2) inside the rice soup container seat (1).

7. The rice cooker rice water box isolation status detection device according to claim 1, characterized in that, The tail end of the rice soup box mechanism (2) is provided with an abutting protrusion. The limit switch (26) is a small limit micro switch. Its contact is directly opposite the moving path of the abutting protrusion. It is used to change the level state when the rice soup box mechanism (2) is fully installed in place and is squeezed by the abutting protrusion.

8. The rice cooker rice water box isolation status detection device according to claim 1, characterized in that, The groove on the outer wall of the protrusion (31) is a vertical groove, and the locking block (32) has a ridge that matches the vertical groove. The ridge and the side wall of the vertical groove form a sliding fit to guide the locking block (32) to reciprocate stably.

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