Intelligent thermometer

Abstract

The utility model relates to an intelligent thermometer, which comprises a shell, a temperature measuring body and a circuit assembly, an accommodating cavity is arranged in the shell, a temperature measuring part protruding towards the outside of the shell is arranged at the bottom of the shell, the temperature measuring part is configured to have heat-conducting property, a temperature measuring cavity is arranged in the temperature measuring part, and the temperature measuring cavity is communicated with the accommodating cavity. And the temperature measuring body is positioned in the temperature measuring cavity. The circuit assembly is arranged in the containing cavity and comprises a circuit board, a supporting plate, a flexible circuit board and an elastic piece, the circuit board is supported on the top face of the supporting plate, one end of the flexible circuit board is connected with the circuit board, the other end of the flexible circuit board penetrates through the supporting plate and extends downwards to be connected with the temperature measuring body, and the elastic piece is connected with the bottom face of the supporting plate. The elastic force is used for providing elastic force to drive the temperature measuring body to be attached to the inner wall of the temperature measuring cavity.

Description

Technical Field

[0001] This utility model relates to the field of temperature sensing technology, and more specifically, to an intelligent thermometer. Background Technology

[0002] A temperature sensor is a device or component that can convert the sensed temperature change into a measurable signal. It is applicable in various scenarios for detecting and measuring the temperature of objects or the environment.

[0003] Existing technology discloses a fast-conduction temperature sensor, which includes a protective shell and a bracket, a control board, and a sensing chip located within the protective shell. The bottom surface of the bracket is connected to the control board, and its top surface is connected to the sensing chip, with the sensing chip protruding from the top of the bracket. The bracket contains circuitry that connects the sensing chip and the control board. A gap exists between the sensing chip and the protective shell, filled with encapsulating adhesive. This fast-conduction temperature sensor can be used in contact temperature measurement scenarios. However, the sensing chip indirectly contacts the protective shell through the encapsulating adhesive, and the heat transfer path involves multiple layers of media, which may increase thermal resistance and affect the accuracy of temperature measurement. Utility Model Content

[0004] The purpose of this invention is to provide an intelligent thermometer, which solves the technical problem of how to improve the accuracy of temperature measurement.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution.

[0006] This utility model provides an intelligent thermometer, comprising: a housing having an internal cavity; a temperature measuring part protruding outward from the bottom of the housing; the temperature measuring part being configured to have thermal conductivity and having an internal temperature measuring chamber communicating with the internal cavity; a temperature measuring element located within the temperature measuring chamber; and a circuit assembly disposed within the internal cavity, comprising a circuit board, a support plate, a flexible circuit board, and an elastic element; the circuit board being supported on the top surface of the support plate; one end of the flexible circuit board being connected to the circuit board, and the other end passing through the support plate and extending downward to connect with the temperature measuring element; and the elastic element being connected to the bottom surface of the support plate and used to provide elastic force to drive the temperature measuring element to adhere to the inner wall of the temperature measuring chamber.

[0007] In some embodiments of this application, the flexible circuit board includes a first connecting segment and a second connecting segment connected together. The first connecting segment is located above the support plate, and the second connecting segment passes downward through the support plate and is connected to the temperature measuring body. The smart thermometer also includes a battery, which is disposed in the receiving cavity. The battery is located above the support plate and presses the first connecting segment against the support plate.

[0008] In some embodiments of this application, the circuit board has a ring-shaped or arc-shaped structure. The first connecting segment is connected to the inner side of the circuit board and is arranged horizontally. The second connecting segment includes a first part arranged in an inclined manner and a second part arranged horizontally. One end of the first part is connected to the first connecting segment, and the other end passes through the support plate and is connected to the second part. The top surface of the second part is connected to the elastic element, and its bottom surface is connected to the temperature measuring body.

[0009] In some embodiments of this application, the circuit board has a semi-circular ring structure, and the first connecting segment includes a third part and a fourth part connected in an L-shape. The third part is disposed opposite to the circuit board in the horizontal direction, and the fourth part is connected to the circuit board and the third part respectively. The third part, the first part, the second part and the circuit board are arranged sequentially in the horizontal direction, and the second part is located at the center of the circuit board with the semi-circular ring structure.

[0010] In some embodiments of this application, the support plate has a clearance opening, and the clearance opening extends in the horizontal alignment direction of the third part, the first part, the second part and the circuit board. The third part covers the top of the clearance opening, and the first part passes through the clearance opening and connects to the second part.

[0011] In some embodiments of this application, the circuit board is provided with an upwardly extending first spring; the smart thermometer also includes a circuit board bracket with the same shape as the circuit board, the circuit board bracket is located above the circuit board and is aligned and inserted with the circuit board, the circuit board bracket is provided with a downwardly extending second spring, the second spring is horizontally staggered with the first spring and acts elastically on the first spring, and the first spring is elastically attached to the side of the battery to fix the battery.

[0012] In some embodiments of this application, the circuit board and the circuit board support are both semi-circular ring structures. The bottom of the housing is provided with positioning blocks. The positioning blocks are located in the receiving cavity and there are several of them. Each positioning block and the circuit board are arranged circumferentially at intervals. Each positioning block, circuit board, circuit board support and the support plate form a positioning groove. The battery is embedded in the positioning groove and its side abuts against the first spring and each positioning block respectively.

[0013] In some embodiments of this application, the elastic element is foam, and the elastic element is connected to the top surface of the second part and to the bottom surface of the support plate by adhesive bonding.

[0014] As can be seen from the above technical solution, the embodiments of this utility model have at least the following advantages and positive effects:

[0015] In this embodiment of the intelligent thermometer, during use, the protruding temperature measuring part directly contacts the object being measured. The heat from the object is then rapidly transferred to the temperature measuring body through the temperature measuring part. The temperature measuring part increases the contact area, thereby improving heat transfer efficiency. Since one end of the flexible circuit board is connected to the circuit board and the other end to the temperature measuring body, an electrical path can be formed between them. Thus, through the coordinated operation of the temperature measuring part, the temperature measuring body, the flexible circuit board, and the circuit board, the temperature measuring function of the intelligent thermometer can be realized.

[0016] Specifically, the support plate serves two purposes: supporting the circuit board and fixing the elastic element. As the foundation of stability within the smart thermometer, it ensures that the temperature sensor remains stably and physically bonded to the inner wall of the temperature measuring cavity under the continuous pressure applied by the elastic element. This reduces thermal hysteresis caused by air gaps between the temperature measuring part and the temperature sensor, thereby improving the temperature measurement accuracy of the smart thermometer. Furthermore, the flexibility of the flexible circuit board not only reduces its own breakage risk but also allows the temperature sensor to move slightly under the action of the elastic element. Therefore, the elastic element also provides a buffering effect for the temperature sensor, preventing structural damage that might occur under vibration or other conditions due to overly rigid connections, thus improving the overall stability and reliability of the smart thermometer. Attached Figure Description

[0017] The various objectives, features, and advantages of this invention will become more apparent from the following detailed description of preferred embodiments in conjunction with the accompanying drawings. The drawings are merely illustrative of the invention and are not necessarily drawn to scale. In the drawings, the same reference numerals always denote the same or similar parts. Wherein:

[0018] Figure 1 This is a schematic diagram of the structure of a smart thermometer according to an exemplary embodiment.

[0019] Figure 2 yes Figure 1 A sectional view.

[0020] Figure 3 yes Figure 1 A schematic diagram of the structure after removing the outer shell.

[0021] Figure 4 yes Figure 3 A schematic diagram of the structure after the battery is removed.

[0022] Figure 5 yes Figure 4 A structural diagram from another perspective.

[0023] Figure 6 yes Figure 1 A schematic diagram of its decomposed structure.

[0024] The annotations in the attached figures are explained as follows:

[0025] 1. Shell; 11. Base; 111. Positioning block; 12. Cover; 13. Temperature measuring part; 14. Receiving cavity; 15. Temperature measuring cavity;

[0026] 2. Temperature measuring device;

[0027] 3. Circuit assembly; 31. Circuit board; 311. First spring contact; 312. First positioning hole; 32. Support plate; 321. Clearance opening; 322. Second positioning hole; 33. Flexible circuit board; 331. First connecting section; 3311. Third part; 3312. Fourth part; 332. Second connecting section; 3321. First part; 3322. Second part; 34. Elastic element;

[0028] 4. Battery;

[0029] 5. Circuit board bracket; 51. Second spring; 52. Positioning post. Detailed Implementation

[0030] Although the present invention can be readily embodied in various forms, only some specific embodiments are shown in the accompanying drawings and will be described in detail in this specification. It is understood that this specification should be regarded as an exemplary illustration of the principles of the present invention and is not intended to limit the present invention to what is described herein.

[0031] Therefore, a feature pointed out in this specification is used to describe one feature of one embodiment of the present invention, and does not imply that every embodiment of the present invention must have the described feature. Furthermore, it should be noted that this specification describes many features. Although certain features may be combined to illustrate possible system designs, these features may also be used in other combinations not explicitly stated. Therefore, unless otherwise stated, the described combinations are not intended to be limiting.

[0032] In the embodiments shown in the accompanying drawings, the directional indications (such as up, down, left, right, front, and back) used to explain the structure and movement of the various elements of this invention are relative rather than absolute. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the descriptions of the positions of these elements change, these directional indications also change accordingly.

[0033] Please see Figure 1 and Figure 2The intelligent thermometer provided in one embodiment of this utility model mainly includes a housing 1, a temperature measuring element 2, and a circuit assembly 3. The housing 1 has a receiving cavity 14, and a temperature measuring part 13 protruding outward from the bottom of the housing 1. The temperature measuring part 13 is configured to have thermal conductivity and has a temperature measuring cavity 15 inside it, which communicates with the receiving cavity 14. The temperature measuring element 2 is located inside the temperature measuring cavity 15. The circuit assembly 3 is located inside the receiving cavity 14 and includes a circuit board 31, a support plate 32, a flexible circuit board 33, and an elastic element 34. The circuit board 31 is supported on the top surface of the support plate 32. One end of the flexible circuit board 33 is connected to the circuit board 31, and the other end passes through the support plate 32 and extends downward to connect with the temperature measuring element 2. The elastic element 34 is connected to the bottom surface of the support plate 32 and provides elastic force to drive the temperature measuring element 2 to adhere to the inner wall of the temperature measuring cavity 15.

[0034] In this embodiment of the intelligent thermometer, during use, the protruding temperature measuring part 13 directly contacts the object being measured. The heat from the object is then rapidly transferred to the temperature measuring body 2 via the temperature measuring part 13. The temperature measuring part 13 increases the contact area, thereby improving heat transfer efficiency. Since the flexible circuit board 33 is connected to the circuit board 31 at one end and to the temperature measuring body 2 at the other, an electrical path can be formed between them. Therefore, through the coordinated operation of the temperature measuring part 13, the temperature measuring body 2, the flexible circuit board 33, and the circuit board 31, the temperature measuring function of the intelligent thermometer can be realized.

[0035] Specifically, the support plate 32 serves two purposes: supporting the circuit board 31 and fixing the elastic element 34. As the foundation for stability within the smart thermometer, it ensures that the temperature sensor 2 remains stably physically bonded to the inner wall of the temperature measuring cavity 15 under the continuous pressure applied by the elastic element 34. This reduces thermal hysteresis caused by air gaps between the temperature measuring section 13 and the temperature sensor 2, thereby improving the temperature measurement accuracy of the smart thermometer. Furthermore, the flexibility of the flexible circuit board 33 not only reduces its own breakage risk but also allows the temperature sensor 2 to move slightly under the action of the elastic element 34. Therefore, the elastic element 34 also provides a buffering effect for the temperature sensor 2, preventing structural damage that may occur under vibration or other conditions due to overly rigid connections, thus improving the overall stability and reliability of the smart thermometer.

[0036] Please see Figures 3 to 5 In a specific embodiment, the flexible circuit board 33 includes a first connecting segment 331 and a second connecting segment 332 connected together. The first connecting segment 331 is located above the support plate 32, and the second connecting segment 332 passes downward through the support plate 32 and connects to the temperature measuring body 2. The smart thermometer also includes a battery 4, which is disposed in the receiving cavity 14. The battery 4 is located above the support plate 32 and presses the first connecting segment 331 against the support plate 32.

[0037] Battery 4 provides power to the entire smart thermometer, making it easy to carry and use. The first connecting segment 331 establishes a connection between the circuit board 31 and the battery 4. Specifically, the battery 4 presses against the first connecting segment 331, and its electrodes connect with the first connecting segment 331. During this process, the support plate 32 ensures that the battery 4 and the first connecting segment 331 can make stable contact, ensuring a stable and effective power connection between the two, and preventing the smart thermometer from losing power during detection, which would lead to inaccurate detection.

[0038] It should be noted that the positive and negative terminals of battery 4 supply power to circuit board 31 through the conductive layer (such as copper foil) of the first connection segment 331.

[0039] In a specific embodiment, the circuit board 31 has a ring-shaped or arc-shaped structure. The first connecting segment 331 is connected to the inner side of the circuit board 31 and is arranged horizontally. The second connecting segment 332 includes a first part 3321 arranged in an inclined shape and a second part 3322 arranged horizontally. One end of the first part 3321 is connected to the first connecting segment 331, and the other end passes through the support plate 32 and is connected to the second part 3322. The top surface of the second part 3322 is connected to the elastic member 34, and its bottom surface is connected to the temperature measuring body 2.

[0040] The circuit board 31 has a ring-shaped or arc-shaped structure, with a central open area providing wiring space for the flexible circuit board 33, effectively utilizing the space of the receiving cavity 14. The first connecting section 331 is arranged horizontally to ensure stable contact with the battery 4. Specifically, the elastic force of the elastic element 34 is transmitted to the temperature sensor 2 through the horizontally arranged second part 3322, thereby achieving its elastic pushing effect on the temperature sensor 2. The first part 3321 is arranged at an angle, which, while enabling vertical transition, can also adapt to the deformation of the elastic element 34. When the deformation of the elastic element 34 causes the second part 3322 and the temperature sensor 2 to move up and down, adaptive changes occur. Thus, a stable and reliable structural fit is provided for the circuit assembly 3.

[0041] In a specific embodiment, the circuit board 31 has a semi-circular ring structure. The first connecting segment 331 includes a third part 3311 and a fourth part 3312 connected in an L-shape. The third part 3311 is arranged opposite to the circuit board 31 in the horizontal direction, and the fourth part 3312 is connected to the circuit board 31 and the third part 3311 respectively. The third part 3311, the first part 3321, the second part 3322 and the circuit board 31 are arranged sequentially in the horizontal direction, and the second part 3322 is located at the center of the circuit board 31 with the semi-circular ring structure. This optimizes the utilization of the horizontal space of the receiving cavity 14, improves the space utilization rate inside the housing 1, and improves the anti-displacement ability of the second part 3322 and the elastic member 34 and the temperature measuring body 2 connected thereto.

[0042] In a further embodiment, the support plate 32 has a clearance opening 321, and the clearance opening 321 extends in the horizontal arrangement direction of the third part 3311, the first part 3321, the second part 3322 and the circuit board 31. The third part 3311 covers the clearance opening 321, and the first part 3321 passes through the clearance opening 321 and connects with the second part 3322, thereby providing the possibility of implementing the complex wiring in the above embodiment.

[0043] Please see Figure 3 and Figure 4 In a specific embodiment, the circuit board 31 is provided with an upwardly extending first spring 311. The smart thermometer also includes a circuit board support 5 with the same shape as the circuit board 31. The circuit board support 5 is located above the circuit board 31 and is aligned and inserted with the circuit board 31. The circuit board support 5 is provided with a downwardly extending second spring 51. The second spring 51 is horizontally staggered with the first spring 311 and acts elastically on the first spring 311. The first spring 311 elastically fits against the side of the battery 4 to fix the battery 4. Through the coordinated cooperation between the circuit board support 5, the circuit board 31, and the support plate 32, it is convenient to complete the assembly of the battery 4. The first spring 311 and the second spring 51 work together to horizontally press the battery 4 to increase the friction between the first spring 311 and the side of the battery 4, thereby helping to resist the jumping of the battery 4 in the horizontal and vertical directions and reducing the possibility of insufficient contact stability caused by the jumping of the battery 4.

[0044] Please see Figures 4 to 6 In a specific embodiment, both the circuit board 31 and the circuit board support 5 are semi-circular ring structures. The bottom of the housing 1 is provided with a positioning block 111, which is located in the receiving cavity 14 and is provided in several forms. Each positioning block 111 and the circuit board 31 are arranged circumferentially at intervals. Each positioning block 111, the circuit board 31, the circuit board support 5 and the support plate 32 form a positioning groove. The battery 4 is embedded in the positioning groove, and its sides abut against the first spring piece 311 and each positioning block 111 respectively. This provides a specific structure to reduce the possibility of the battery 4 undergoing slight displacement, thereby further reducing the possibility of insufficient contact stability caused by the jumping of the battery 4.

[0045] In a specific embodiment, the elastic element 34 is foam, and the elastic element 34 is connected to the top surface of the second part 3322 and the bottom surface of the support plate 32 by adhesive bonding.

[0046] Foam, as an elastic medium, is bonded and fixed between the top surface of the second part 3322 and the bottom surface of the support plate 32. When the smart thermometer is subjected to external force, it undergoes recoverable deformation, absorbs mechanical stress and maintains stable contact pressure. It has the advantages of low material cost and simple installation.

[0047] On the other hand, since foam has heat insulation properties, it can provide heat insulation between the second part 3322 and the support plate 32, which can effectively reduce heat loss and reduce detection error.

[0048] In this embodiment, the top surface of the support plate 32 is adhered to the bottom surface of the circuit board 31. The circuit board support 5 is provided with a downwardly extending positioning post 52. The circuit board 31 is provided with a first positioning hole 312, and the support plate 32 is provided with a second positioning hole 322. This allows for rapid positioning between the circuit board support 5, the circuit board 31, and the support plate 32, thereby reducing assembly difficulty.

[0049] It should be noted that the adhesion and bonding in the above embodiments can be done using materials such as glue or double-sided tape. In this embodiment, double-sided tape is used for double-sided bonding.

[0050] Please see Figure 2 and Figure 6 In the above embodiments, the housing 1 includes a base 11 and a cover 12. The inner wall of the base 11 and the inner wall of the cover 12 are respectively provided with an annular protrusion and an annular groove, which are connected to each other in a snap-fit ​​direction, and together form a receiving cavity 14. The temperature measuring part 13 is located on the base 11. Specifically, by disassembling the base 11 and the cover 12, the various components within the receiving cavity 14 can be maintained or replaced.

[0051] In the above embodiments, the temperature measuring part 13 is a copper sheet. The copper sheet can be integrally formed with the base 11 or embedded in the base 11. Specifically, it can be fixed by means of bonding, welding interference fit, etc.

[0052] It is conceivable that, in the above embodiments, when the elastic member 34 provides elastic force and makes the temperature measuring body 2 fit against the inner wall of the temperature measuring cavity 15, the elastic member 34 may be entirely located in the receiving cavity 14, or it may be partially located in the receiving cavity 14 and partially located in the temperature measuring cavity 15.

[0053] Although the present invention has been described with reference to several typical embodiments, it should be understood that the terminology used is descriptive and exemplary, and not restrictive. Since the present invention can be embodied in many forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims. Therefore, all variations and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A smart thermometer, characterized in that, include: A housing having an internal cavity, and a temperature measuring part protruding outward from the bottom of the housing, the temperature measuring part being configured to have thermal conductivity and having an internal temperature measuring cavity, the temperature measuring cavity being in communication with the internal cavity; The temperature measuring element is located inside the temperature measuring cavity; A circuit assembly, disposed within the receiving cavity, includes a circuit board, a support plate, a flexible circuit board, and an elastic element. The circuit board is supported on the top surface of the support plate. One end of the flexible circuit board is connected to the circuit board, and the other end passes through the support plate and extends downward to connect with the temperature measuring body. The elastic element is connected to the bottom surface of the support plate and is used to provide elastic force to drive the temperature measuring body to adhere to the inner wall of the temperature measuring cavity.

2. The intelligent thermometer according to claim 1, characterized in that, The flexible circuit board includes a first connecting segment and a second connecting segment connected to each other. The first connecting segment is located above the support plate, and the second connecting segment passes downward through the support plate and is connected to the temperature measuring body. The smart thermometer also includes a battery, which is disposed in the receiving cavity and located above the support plate, pressing the first connecting section onto the support plate.

3. The intelligent thermometer according to claim 2, characterized in that, The circuit board has a ring-shaped or arc-shaped structure. The first connecting segment is connected to the inner side of the circuit board and is arranged horizontally. The second connecting segment includes a first part arranged in an inclined shape and a second part arranged horizontally. One end of the first part is connected to the first connecting segment, and the other end passes through the support plate and is connected to the second part. The top surface of the second part is connected to the elastic element, and its bottom surface is connected to the temperature measuring body.

4. The intelligent thermometer according to claim 3, characterized in that, The circuit board has a semi-circular ring structure. The first connecting section includes a third part and a fourth part connected in an L-shape. The third part is arranged opposite to the circuit board in the horizontal direction, and the fourth part is connected to the circuit board and the third part respectively. The third part, the first part, the second part, and the circuit board are arranged sequentially in the horizontal direction, and the second part is located at the center of the circuit board, which has a semi-circular structure.

5. The intelligent thermometer according to claim 4, characterized in that, The support plate has a clearance opening, which extends in the horizontal direction of the third part, the first part, the second part and the circuit board. The third part covers the clearance opening, and the first part passes through the clearance opening and connects to the second part.

6. The intelligent thermometer according to claim 3, characterized in that, The circuit board is provided with an upwardly extending first spring piece; The smart thermometer also includes a circuit board bracket with the same shape as the circuit board. The circuit board bracket is located above the circuit board and is aligned and inserted with the circuit board. The circuit board bracket is provided with a downwardly extending second spring piece. The second spring piece is horizontally staggered with the first spring piece and acts elastically on the first spring piece. The first spring piece is elastically attached to the side of the battery to fix the battery.

7. The intelligent thermometer according to claim 6, characterized in that, Both the circuit board and the circuit board support are semi-circular ring structures. The bottom of the housing is provided with positioning blocks. The positioning blocks are located in the receiving cavity and there are several of them. Each positioning block and the circuit board are arranged circumferentially at intervals. Each positioning block, circuit board, circuit board support and the support plate form a positioning groove. The battery is embedded in the positioning groove and its side abuts against the first spring and each positioning block respectively.

8. The intelligent thermometer according to claim 3, characterized in that, The elastic element is foam, and the elastic element is connected to the top surface of the second part and to the bottom surface of the support plate by adhesive bonding.

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