Drawer assembly and heat preservation equipment

By using a heat-conducting temperature sensing component in the drawer assembly, the contact area between the tray and the temperature sensor is increased, solving the problem of insufficient contact and achieving higher temperature detection accuracy and stability.

CN223968870UActive Publication Date: 2026-03-06XIAOMI TECH (WUHAN) CO LTD +2
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520500553.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2026-03-06
Estimated Expiration
2035-03-20

AI Technical Summary

Technical Problem

In existing technologies, the contact area between the temperature detection device in the drawer and the target being detected is limited, which can easily lead to separation, resulting in insufficient contact and affecting detection accuracy.

Method used

A temperature detection assembly with a first contact portion and a second contact portion is provided using a heat-conducting component. The first contact portion is connected to the detection end of the temperature sensor, and the second contact portion is connected to the tray. The connection area of ​​the second contact portion is larger than the contact area between the first contact portion and the detection end of the temperature sensor. Heat transfer is achieved through the heat-conducting component, increasing the temperature sensing area and improving the accuracy of temperature detection.

Benefits of technology

This increases the accuracy of temperature detection, avoids temperature detection failure, and ensures the stability and accuracy of temperature detection.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223968870U_ABST
    Figure CN223968870U_ABST
Patent Text Reader

Abstract

The utility model relates to a drawer assembly and heat preservation equipment, the drawer assembly comprises a drawer body, a tray and a temperature detection assembly, the temperature detection assembly comprises a temperature sensor and a heat conduction piece, the heat conduction piece is provided with a first contact part and a second contact part, the first contact part is connected with the detection end of the temperature sensor, and the second contact part is connected with the detection end of the tray. The second contact part is connected with the tray, and the connection area of the second contact part and the tray is larger than the contact area of the first contact part and the detection end of the temperature sensor. According to the drawer assembly, the connection area of the second contact part and the tray is larger than the contact area of the first contact part and the detection end of the temperature sensor, so that the temperature sensing area is increased, temperature transfer can be facilitated, and the accuracy of temperature detection is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This disclosure relates to the field of temperature detection technology, and more particularly to a drawer assembly and a heat preservation device. Background Technology

[0002] In related technologies, the temperature detection device in the drawer has a limited contact area with the target being detected, which can easily lead to separation, resulting in insufficient contact and affecting detection accuracy. Utility Model Content

[0003] The purpose of this disclosure is to provide a drawer assembly and insulation device to solve the problems in the aforementioned related technologies.

[0004] To achieve the above objectives, one aspect of this disclosure provides a drawer assembly comprising:

[0005] Drawer body;

[0006] A tray is disposed within the drawer body;

[0007] A temperature detection component, which contacts the tray, is used to detect the temperature of the tray;

[0008] The temperature detection component includes a temperature sensor and a heat-conducting component. The heat-conducting component is provided with a first contact portion and a second contact portion. The first contact portion is connected to the detection end of the temperature sensor, and the second contact portion is connected to the tray. The connection area between the second contact portion and the tray is greater than the contact area between the first contact portion and the detection end of the temperature sensor.

[0009] Optionally, the first contact portion is configured as a first contact surface, and the first contact surface is connected to the detection end face of the temperature sensor; and / or,

[0010] The second contact portion is configured as a second contact surface, and the second contact surface is connected to the surface of the tray.

[0011] Optionally, the area of ​​the first contact surface is less than or equal to the area of ​​the second contact surface.

[0012] Optionally, the heat-conducting component includes a plate, with two opposite sides of the plate respectively configured as the first contact surface and the second contact surface, wherein the area of ​​the first contact surface is equal to the area of ​​the second contact surface.

[0013] Optionally, the first contact portion contacts the detection end of the temperature sensor, and the second contact portion contacts the tray, so that the heat-conducting element is detachably connected to the tray and the temperature sensor.

[0014] Optionally, the tray is placed on the inner bottom plate of the drawer body, and the temperature detection component is disposed between the tray and the inner bottom plate of the drawer body, and the temperature detection component is connected to the inner bottom plate of the drawer body.

[0015] Optionally, the inner bottom plate of the drawer body is provided with a mounting groove, the temperature sensor is connected in the mounting groove, and the detection end of the temperature sensor protrudes from the mounting groove and is connected to the heat-conducting component.

[0016] Optionally, a limiting part is provided in the mounting groove, and the limiting part has a limiting groove, and the temperature sensor is connected in the limiting groove.

[0017] Optionally, the heat-conducting component includes a plate and a mounting portion. The plate is connected to the tray and the detection end of the temperature sensor, respectively, and the mounting portion is connected to the inner bottom plate of the drawer body.

[0018] Optionally, the mounting part extends into the mounting groove, the mounting part is provided with a first connector, the groove wall of the mounting groove is provided with a second connector, and the first connector is connected to the second connector.

[0019] Optionally, one of the first connector and the second connector is configured as a buckle, and the other is configured as a slot, with the buckle snapping into the slot.

[0020] A second aspect of this disclosure also provides a thermal insulation device, including the drawer assembly described above.

[0021] The above technical solution, through the inclusion of a heat-conducting component, enables heat transfer, transferring the heat from the tray to a temperature sensor. This temperature sensor then detects the temperature of the tray, thereby enabling temperature detection within the drawer body. Furthermore, by increasing the contact area between the second contact portion and the tray compared to the first contact portion and the sensor's detection end—a larger sensing area—temperature transfer is facilitated, improving the accuracy of temperature detection. Simultaneously, the larger contact area prevents detachment between the second contact portion and the tray; even with minor detachment, sufficient sensing area is maintained to ensure accurate temperature detection and prevent detection failure. Therefore, this drawer assembly significantly improves the accuracy of temperature detection within the drawer body, and the accuracy of temperature control within the drawer body based on temperature feedback is enhanced.

[0022] Other features and advantages of this disclosure will be described in detail in the following detailed description section. Attached Figure Description

[0023] The accompanying drawings are provided to further illustrate the present disclosure and form part of the specification. They are used together with the following detailed description to explain the present disclosure, but do not constitute a limitation thereof. In the drawings:

[0024] Figure 1 This is an exploded view of a drawer assembly according to one embodiment of the present disclosure.

[0025] Figure 2 This is one embodiment of the present disclosure. Figure 1 An enlarged view of position A in the middle.

[0026] Figure 3 This is a schematic diagram of the structure of a heat-conducting component according to one embodiment of the present disclosure.

[0027] Explanation of reference numerals in the attached figures

[0028] 1. Drawer body; 11. Mounting slot; 12. Limiting part; 13. Limiting slot; 14. Second connecting piece;

[0029] 2. Pallet;

[0030] 3. Temperature detection component; 31. Temperature sensor; 32. Heat-conducting component; 321. First contact part; 322. Second contact part; 323. Plate body; 324. Mounting part; 325. First connector. Detailed Implementation

[0031] The specific embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit this disclosure.

[0032] In this disclosure, unless otherwise stated, directional terms such as "upper" and "lower" are generally defined by the orientation of the accompanying drawings, and "inner" and "outer" refer to the inner and outer parts of the relevant components. Furthermore, terms such as "first" and "second" are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0033] In the description of this disclosure, it should also be noted that, unless otherwise expressly specified and limited, the terms "setup" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can be a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0034] Drawers are frequently used in thermal insulation equipment to store and retrieve items, making temperature monitoring inside these drawers crucial. Accurate temperature detection is essential; the more accurate and reliable the temperature readings, the more precisely the temperature can be adjusted based on the feedback. Currently, contact-type temperature sensors are generally used for temperature monitoring inside drawers to ensure stable temperature readings.

[0035] In related technologies, the limited contact area between the temperature sensing device in the drawer and the target object makes it prone to separation, leading to insufficient contact and affecting detection accuracy. For example, a tray inside the drawer can be removed and is movable within the drawer. The small contact area between the tray and the sensing end of the temperature sensor may result in detachment or gaps, affecting the sensor's detection results. Currently, elastic structures are used to press the tray against the sensing end of the temperature sensor, but these structures are overly complex, costly, and inconvenient to install.

[0036] Therefore, such as Figures 1-3 As shown, one aspect of this disclosure provides a drawer assembly, including a drawer body 1, a tray 2, and a temperature detection assembly 3.

[0037] Tray 2 is located inside drawer body 1. Temperature detection component 3 is in contact with tray 2 and is used to detect the temperature of tray 2.

[0038] The tray 2 is used to support items. The tray 2 can be taken out from the drawer body 1 or put back into the drawer body 1, so that the tray 2 can be easily cleaned.

[0039] The temperature detection component 3 includes a temperature sensor 31 and a heat-conducting component 32. The heat-conducting component 32 is provided with a first contact portion 321 and a second contact portion 322. The first contact portion 321 is connected to the detection end of the temperature sensor 31, and the second contact portion 322 is connected to the tray 2. The connection area between the second contact portion 322 and the tray 2 is greater than the contact area between the first contact portion 321 and the detection end of the temperature sensor 31.

[0040] In the above technical solution, heat transfer is achieved through the heat-conducting component 32, transferring the heat from the tray 2 to the temperature sensor 31. The temperature sensor 31 can then detect the temperature of the tray 2, thus enabling temperature detection within the drawer body 1. By increasing the contact area between the second contact portion 322 and the tray 2 compared to the contact area between the first contact portion 321 and the detection end of the temperature sensor 31 (which directly connects the detection end of the temperature sensor 31 to the tray 2), the sensing area is increased, facilitating temperature transfer and improving the accuracy of temperature detection. Furthermore, the large contact area between the second contact portion 322 and the tray 2 reduces the likelihood of detachment. Even with minor detachment, sufficient sensing area is maintained to ensure temperature detection and prevent detection failure. Therefore, this drawer assembly significantly improves the accuracy of temperature detection within the drawer body 1, and the accuracy of temperature control within the drawer body 1 based on temperature feedback is enhanced.

[0041] Optionally, in one embodiment of this disclosure, the first contact portion 321 is configured as a first contact surface, which is connected to the detection end face of the temperature sensor 31. This configuration improves the connection stability between the heat-conducting component 32 and the detection end face of the temperature sensor 31, enhances heat transfer efficiency, and ensures accurate temperature detection. It is understood that the first contact surface and the detection end face of the temperature sensor 31 are face-to-face and fitted together to achieve connection.

[0042] Alternatively, in another embodiment of this disclosure, the first contact portion 321 is configured as multiple plates, which are connected to the detection end of the temperature sensor 31.

[0043] Optionally, in one embodiment of this disclosure, the second contact portion 322 is configured as a second contact surface, which is connected to the surface of the tray 2. This configuration improves the connection stability between the heat-conducting component 32 and the tray 2, enhances heat transfer efficiency, and ensures accurate temperature detection. It is understood that the second contact surface is face-to-face with and adheres to the surface of the tray 2, thus facilitating temperature sensing.

[0044] Alternatively, in another embodiment of this disclosure, the second contact portion 322 is configured as a plurality of plates, which are connected to the tray 2.

[0045] Optionally, in one embodiment of this disclosure, the first contact portion 321 is configured as a first contact surface, which is connected to the detection end face of the temperature sensor 31. The second contact portion 322 is configured as a second contact surface, which is connected to the tray 2. This configuration improves the connection stability between the heat-conducting component 32 and the detection end face of the temperature sensor 31 and the tray 2, thereby enhancing heat transfer and ensuring accurate temperature detection. It is understood that the first contact surface faces and adheres to the detection end face of the temperature sensor 31, and the second contact surface faces and adheres to the tray 2, thus achieving a connection and facilitating temperature sensing.

[0046] Optionally, in one embodiment of this disclosure, the area of ​​the first contact surface is less than or equal to the area of ​​the second contact surface. It should be noted that the area of ​​the first contact surface of the heat-conducting component 32 can be set according to its connection with the detection end of the temperature sensor 31. It can be adapted to the detection end of the temperature sensor 31, ensuring that the area of ​​the second contact surface is greater than the area of ​​the first contact surface, thereby increasing the temperature-sensing area for the tray 2.

[0047] Optionally, in one embodiment of this disclosure, the heat-conducting component 32 includes a plate 323, with two opposing sides of the plate 323 respectively configured as a first contact surface and a second contact surface, the area of ​​the first contact surface being equal to the area of ​​the second contact surface.

[0048] In this design, the two sides of the plate 323 have equal areas. One side of the plate 323 is designated as the first contact surface, facing the detection end of the temperature sensor 31, and the other side is designated as the second contact surface, facing the tray 2. Thus, the plate 323 is positioned between the tray 2 and the detection end of the temperature sensor 31, achieving heat conduction. It can be understood that although the two sides of the plate 323 have equal areas (i.e., the areas of the first and second contact surfaces are equal), the area of ​​the tray 2 is larger than the area of ​​the second contact surface. Therefore, the actual contact area between the tray 2 and the second contact surface is the area of ​​the second contact surface. However, the area of ​​the first contact surface is larger than the area of ​​the detection end of the temperature sensor 31. Therefore, the actual contact area between the detection end of the temperature sensor 31 and the first contact surface is the area of ​​the detection end of the temperature sensor 31. Thus, the contact area between the tray 2 and the second contact surface is still larger than the area between the detection end of the temperature sensor 31 and the first contact surface. In some examples, the heat-conducting element 32 may be made of metal.

[0049] Optionally, in another embodiment of this disclosure, the heat-conducting component 32 may include a connecting block having two opposing sides, one side being a first contact surface and the other side being a second contact surface. The length and / or width of the connecting block gradually decreases along the direction from the second contact surface to the first contact surface, making the connecting block an irregular structure, thereby the area of ​​the first contact surface is smaller than the area of ​​the second contact surface.

[0050] Optionally, in one embodiment of this disclosure, the first contact portion 321 contacts the detection end of the temperature sensor 31, and the second contact portion 322 contacts the tray 2, so that the heat-conducting element 32 is detachably connected to the tray 2 and the temperature sensor 31. With this arrangement, when the tray 2 is removed from the drawer body 1, it can be directly separated from the heat-conducting element 32 without interference or affecting temperature detection and use. Furthermore, the heat-conducting element 32 can be separated from the detection end of the temperature sensor 31, allowing for maintenance and replacement of the heat-conducting element 32, thus reducing maintenance costs.

[0051] Alternatively, in another embodiment of this disclosure, the first contact portion 321 is bonded to the detection end of the temperature sensor 31 using thermally conductive adhesive. The thermally conductive component 32 and the detection end of the temperature sensor 31 remain relatively fixed to ensure stable heat transfer.

[0052] Optionally, in one embodiment of this disclosure, one of the second contact portion 322 and the tray 2 may be provided with a positioning portion, and the other may be provided with a positioning groove. The cooperation between the positioning portion and the positioning groove enables the tray 2 to move relative to the heat-conducting component 32, but does not affect the tray 2 from being taken out of the drawer body 1.

[0053] Optionally, in one embodiment of this disclosure, the tray 2 is placed on the inner bottom plate of the drawer body 1, and the temperature detection component 3 is disposed between the tray 2 and the inner bottom plate of the drawer body 1, and the temperature detection component 3 is connected to the inner bottom plate of the drawer body 1.

[0054] The temperature detection component 3 is fixed to the inner bottom plate of the drawer body 1, maintaining its position. The tray 2, placed on the inner bottom plate of the drawer body 1, can directly contact the temperature detection component 3 to achieve temperature detection without affecting the placement or removal of the tray 2. It can be understood that the tray 2 is located above the temperature detection component 3 and the inner bottom plate of the drawer body 1.

[0055] To facilitate the installation of the temperature detection component 3 and avoid excessive space occupation, in one embodiment of this disclosure, the inner bottom plate of the drawer body 1 is provided with a mounting groove 11, the temperature sensor 31 is connected in the mounting groove 11, and the detection end of the temperature sensor 31 protrudes out of the mounting groove 11 and is connected to the heat-conducting component 32.

[0056] The mounting groove 11 accommodates the temperature sensor 31, preventing it from being directly positioned above the inner bottom plate of the drawer body 1 and affecting the placement of the tray 2. This ensures the tray 2 is placed stably and avoids impacting the storage space within the drawer body 1. It should be noted that the detection end of the temperature sensor 31 protrudes only slightly from the mounting groove 11 and does not affect the placement of the tray 2. In some examples, the mounting groove 11 may be formed by a downward recess in the inner bottom plate of the drawer body 1.

[0057] Optionally, in one embodiment of this disclosure, a limiting part 12 is provided in the mounting groove 11, and the limiting part 12 has a limiting groove 13, in which the temperature sensor 31 is connected. The limiting part 12 improves the installation stability of the temperature sensor 31, fixing it firmly within the limiting groove 13 and preventing it from shaking. The size of the limiting groove 13 can be adapted to the size of the temperature sensor 31, allowing the temperature sensor 31 to be snapped into place within the limiting groove 13.

[0058] The limiting part 12 is located at the bottom of the mounting groove 11. The limiting part 12 can be formed by protruding from the bottom of the mounting groove 11. A limiting groove 13 is formed by recessing the top of the limiting part 12 to fix the temperature sensor 31. The detection end of the temperature sensor 31 protrudes from the mounting groove 11 and can be connected to the heat-conducting component 32 to realize temperature detection.

[0059] Optionally, in one embodiment of this disclosure, the heat-conducting component 32 includes a plate 323 and a mounting portion 324. The plate 323 is connected to the tray 2 and the detection end of the temperature sensor 31, respectively, and the mounting portion 324 is connected to the inner bottom plate of the drawer body 1. By connecting the mounting portion 324 to the inner bottom plate of the drawer body 1, the heat-conducting component 32 can be fixed relative to the inner bottom plate of the drawer body 1. The temperature sensor 31 is also connected to the inner bottom plate of the drawer body 1, so that the heat-conducting component 32 and the temperature sensor 31 remain relatively fixed. Then, after the tray 2 is placed on the inner bottom plate of the drawer body 1, the heat-conducting component 32 directly contacts the tray 2.

[0060] Optionally, in one embodiment of this disclosure, the mounting part 324 extends into the mounting groove 11, a first connector 325 is provided on the mounting part 324, and a second connector 14 is provided on the groove wall of the mounting groove 11. The first connector 325 is connected to the second connector 14. Through the provided first connector 325 and second connector 14, the mounting part 324 can be easily connected to the groove wall of the mounting groove 11, thus achieving connection with the inner bottom plate of the drawer body 1.

[0061] In some examples, the mounting part 324 may be a flange, and the plate body 323 has a flange on at least part of its circumferential side. The flange bends toward the mounting groove 11 to achieve a close fit and connection with the groove wall of the mounting groove 11. This allows the plate body 323 to be located outside the mounting groove 11 while maintaining a horizontal setting, which is beneficial for maintaining the contact effect with the tray 2.

[0062] Optionally, in one embodiment of this disclosure, one of the first connector 325 and the second connector 14 is configured as a snap-fit, and the other is configured as a slot, with the snap-fit ​​engaging with the slot. This configuration facilitates the connection and fixation between the heat-conducting component 32 and the mounting groove 11.

[0063] Understandably, after the mounting portion 324 of the heat-conducting component 32 extends into the mounting groove 11, the clip can engage with the groove to secure it, and then the heat-conducting component 32 can be removed from the mounting groove 11. In some examples, the first connector 325 is configured as a groove, and the second connector 14 is configured as a clip.

[0064] Alternatively, in another embodiment of this disclosure, both the first connector 325 and the second connector 14 may be provided with through holes, and the connection and fixation can be achieved by passing a connecting bolt through the through hole.

[0065] A second aspect of this disclosure also provides a heat preservation device, including the aforementioned drawer assembly. The heat preservation device can be a refrigerator, and by accurately detecting the temperature, it can improve the accuracy of temperature control within the drawer body 1, enhance the preservation effect of food, extend the shelf life of food, provide convenience to users, and save social resources.

[0066] The preferred embodiments of this disclosure have been described in detail above with reference to the accompanying drawings. However, this disclosure is not limited to the specific details of the above embodiments. Within the scope of the technical concept of this disclosure, various simple modifications can be made to the technical solutions of this disclosure, and these simple modifications all fall within the protection scope of this disclosure.

[0067] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, this disclosure will not describe the various possible combinations separately.

[0068] Furthermore, various different embodiments of this disclosure can be combined in any way, as long as they do not violate the spirit of this disclosure, they should also be regarded as the content disclosed in this disclosure.

Claims

1. A drawer assembly characterized by, The drawer assembly comprises: a drawer body; a tray arranged in the drawer body; a temperature detection assembly in contact with the tray, the temperature detection assembly being used to detect the temperature of the tray; wherein the temperature detection assembly comprises a temperature sensor and a heat conduction piece, the heat conduction piece being provided with a first contact portion and a second contact portion, the first contact portion being connected with a detection end of the temperature sensor, and the second contact portion being connected with the tray, and the connection area of the second contact portion with the tray being greater than the contact area of the first contact portion with the detection end of the temperature sensor.

2. The drawer assembly of claim 1, wherein, The first contact portion is arranged as a first contact surface, and the first contact surface is connected with a detection end surface of the temperature sensor; and / or The second contact portion is arranged as a second contact surface, and the second contact surface is connected with a tray surface.

3. The drawer assembly of claim 2, wherein, The area of the first contact surface is less than or equal to the area of the second contact surface.

4. The drawer assembly of claim 3, wherein, The heat conduction piece comprises a plate body, and the two opposite surfaces of the plate body are respectively arranged as the first contact surface and the second contact surface, and the area of the first contact surface is equal to the area of the second contact surface.

5. The drawer assembly of claim 1, wherein, The first contact portion is in contact with the detection end of the temperature sensor, and the second contact portion is in contact with the tray, so that the heat conduction piece is detachably connected with the tray and the temperature sensor.

6. The drawer assembly of claim 1, wherein, The tray is placed on an inner bottom plate of the drawer body, the temperature detection assembly is arranged between the tray and the inner bottom plate of the drawer body, and the temperature detection assembly is connected with the inner bottom plate of the drawer body.

7. The drawer assembly of claim 6, wherein, The inner bottom plate of the drawer body is provided with a mounting groove, the temperature sensor is connected in the mounting groove, the detection end of the temperature sensor protrudes from the mounting groove and is connected with the heat conduction piece.

8. The drawer assembly of claim 7, wherein, The mounting groove is provided with a limiting portion, the limiting portion is provided with a limiting groove, and the temperature sensor is connected in the limiting groove.

9. The drawer assembly of claim 7, wherein, The heat conduction piece comprises a plate body and a mounting portion, the plate body is connected with the tray and the detection end of the temperature sensor respectively, and the mounting portion is connected with the inner bottom plate of the drawer body.

10. The drawer assembly of claim 9, wherein, The mounting portion protrudes into the mounting groove, the mounting portion is provided with a first connecting piece, the groove wall of the mounting groove is provided with a second connecting piece, and the first connecting piece is connected with the second connecting piece.

11. The drawer assembly of claim 10, wherein, One of the first connecting piece and the second connecting piece is arranged as a buckle, and the other is arranged as a clamping groove, and the buckle is clamped into the clamping groove.

12. A heat retaining device characterized by comprising: The drawer assembly comprises any one of the drawer assemblies according to claims 1-11.