Intelligent Bluetooth temperature recorder
The intelligent Bluetooth temperature recorder, with its rigid-shell-free design and heat-sealing flexible packaging technology, solves the problems of sealing and high cost of traditional temperature recorders, achieving low-cost, high-sealing, and high-yield temperature control management.
Patent Information
- Application Number
- CN202520672237.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2035-04-10
AI Technical Summary
Existing temperature recorders require injection molding of metal housings during manufacturing, which makes it difficult to achieve the required sealing performance, resulting in high costs and low yield rates.
It adopts a non-rigid shell design and integrates functional modules through heat-sealing flexible packaging, including a PC composite film heat-sealing bag, a buffer layer and a labeling layer, to form a sealed cavity, eliminating the need for traditional injection molding process and achieving low cost and high sealing performance.
It achieves low-cost, high-sealing, disposable temperature control management, reducing costs by 60%, increasing the yield rate to 99.5%, and is easy to operate, in compliance with FDA regulations.
Smart Images
Figure CN223966160U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of temperature recording technology, and in particular to an intelligent Bluetooth temperature recorder. Background Technology
[0002] A temperature recorder is a disposable Bluetooth temperature recorder device with no rigid housing and integrated functional modules through heat-sealed flexible packaging. Temperature recorders are one type of temperature measuring instrument, achieving low-cost, high-sealing, and disposable temperature control management. With the continuous development of technology, people have increasingly higher requirements for the manufacturing process of temperature recorders.
[0003] Existing temperature recorders have certain drawbacks in use. They require injection molding of metal casings during manufacturing, which cannot meet the requirements for sealing and has a high production cost. The yield rate of traditional casing assembly is also low, which has a certain adverse effect on the actual use process. To address this, we propose an intelligent Bluetooth temperature recorder. Utility Model Content
[0004] Technical problem to be solved: In view of the shortcomings of the existing technology, this utility model provides an intelligent Bluetooth temperature recorder, which is a disposable Bluetooth temperature recorder device with no rigid shell and integrated functional modules through heat-sealing flexible packaging. It realizes low-cost, high-sealing, and disposable temperature control management, and can effectively solve the problems in the background technology.
[0005] Technical Solution: To achieve the above objectives, the technical solution adopted by this utility model is as follows: A smart Bluetooth temperature recorder includes a recorder body, a PC composite film heat-sealing bag is encapsulated on the outside of the recorder body, a heat-sealing encapsulation structure is sealed and positioned on the four sides of the PC composite film heat-sealing bag, a PCB circuit board is positioned inside the recorder body, a switch assembly is provided on the surface of the recorder body, a buffer layer is positioned between the recorder body and the PC composite film heat-sealing bag, and an identification layer is positioned between the buffer layer and the inner surface of the PC composite film heat-sealing bag.
[0006] Preferably, the PCB circuit board is provided with a PCB module, a temperature sensor, a Bluetooth chip and a battery module. The PCB module is connected to the temperature sensor, the Bluetooth chip and the battery module. The temperature sensor is connected to the battery module and the Bluetooth chip is connected to the battery module.
[0007] Preferably, the buffer layer comprises an epoxy resin sheet, thermoplastic, a polymer sheet, and a sponge pad, wherein the polymer sheet is located on the surface of the sponge pad, the thermoplastic is located on the surface of the polymer sheet, and the epoxy resin sheet is located on the surface of the thermoplastic.
[0008] Preferably, the battery module supplies power to the PCB module, temperature sensor, and Bluetooth chip, and the PCB module is bidirectionally connected to the temperature sensor and Bluetooth chip.
[0009] Preferably, the epoxy resin sheet, thermoplastic, polymer sheet and sponge pad are integrally formed by compression molding.
[0010] Preferably, the PC composite film heat-sealed bag forms a sealed cavity through hot pressing and directly wraps the recorder body and the buffer layer. The buffer layer is EVA sponge, and the label layer is a PET label with acrylic adhesive coated on the back. The adhesion strength between the label and the inner surface of the PC composite film heat-sealed bag is ≥2.5N / cm.
[0011] Beneficial effects: Compared with the prior art, the present invention provides an intelligent Bluetooth temperature recorder with the following beneficial effects: The intelligent Bluetooth temperature recorder is a disposable Bluetooth temperature recorder device without a rigid shell and with integrated functional modules through heat-sealed flexible packaging, realizing low-cost, high-sealing, and disposable temperature control management.
[0012] Cost reduction: Eliminating the need for a shell injection mold reduces the material cost per unit by 60%;
[0013] Easy to deploy: Total weight ≤8g, 3M adhesive can be directly fixed to the inner wall of the packaging;
[0014] Improved compliance: Heat-sealed destructive packaging complies with FDA single-use device specifications;
[0015] Mass production consistency: The yield rate of heat sealing process is ≥99.5% (the yield rate of traditional shell assembly is about 95%). The entire temperature recorder has a simple structure, is easy to operate, and performs better than the traditional method. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of an intelligent Bluetooth temperature recorder according to this utility model.
[0017] Figure 2 This is a schematic diagram of the internal cross-section of an intelligent Bluetooth temperature recorder according to this utility model.
[0018] Figure 3 This is a schematic diagram of the PCB circuit board in an intelligent Bluetooth temperature recorder according to this utility model.
[0019] Figure 4 This is a schematic diagram of the buffer layer in a smart Bluetooth temperature recorder according to the present invention.
[0020] In the diagram: 1. Recorder body; 2. PC composite film heat-sealing bag; 3. Heat-sealing packaging structure; 4. Switch assembly; 5. PCB circuit board; 6. Identification layer; 7. Buffer layer; 8. PCB module; 9. Temperature sensor; 10. Bluetooth chip; 11. Battery module; 12. Epoxy resin sheet; 13. Thermoplastic; 14. Polymer sheet; 15. Sponge pad. Detailed Implementation
[0021] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. However, those skilled in the art will understand that the embodiments described below are only some embodiments of this utility model, not all embodiments, and are only used to illustrate this utility model, and should not be regarded as limiting the scope of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. Where specific conditions are not specified in the embodiments, conventional conditions or conditions recommended by the manufacturer shall be followed. Where the manufacturers of reagents or instruments are not specified, they are all conventional products that can be purchased commercially.
[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to 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 utility model based on the specific circumstances.
[0024] like Figure 1-4As shown, a smart Bluetooth temperature recorder includes a recorder body 1, a PC composite film heat-sealed bag 2 encapsulated on the outside of the recorder body 1, a heat-sealing encapsulation structure 3 sealing and positioning the four sides of the PC composite film heat-sealed bag 2, a PCB circuit board 5 positioned inside the recorder body 1, a switch assembly 4 disposed on the surface of the recorder body 1, a buffer layer 7 positioned between the recorder body 1 and the PC composite film heat-sealed bag 2, and an identification layer 6 positioned between the buffer layer 7 and the inner surface of the PC composite film heat-sealed bag 2. It is a disposable Bluetooth temperature recorder device without a rigid shell and integrating functional modules through heat-sealing flexible encapsulation, realizing low-cost, high-sealing, and disposable temperature control management.
[0025] Furthermore, the PCB circuit board 5 is provided with a PCB module 8, a temperature sensor 9, a Bluetooth chip 10 and a battery module 11. The PCB module 8 is connected to the temperature sensor 9, the Bluetooth chip 10 and the battery module 11. The temperature sensor 9 is connected to the battery module 11 and the Bluetooth chip 10 is connected to the battery module 11.
[0026] Furthermore, the buffer layer 7 includes an epoxy resin sheet 12, a thermoplastic 13, a polymer sheet 14, and a sponge pad 15. The polymer sheet 14 is located on the surface of the sponge pad 15, the thermoplastic 13 is located on the surface of the polymer sheet 14, and the epoxy resin sheet 12 is located on the surface of the thermoplastic 13.
[0027] Furthermore, the battery module 11 supplies power to the PCB module 8, the temperature sensor 9, and the Bluetooth chip 10, and the PCB module 8 is bidirectionally connected to the temperature sensor 9 and the Bluetooth chip 10.
[0028] Furthermore, the epoxy resin sheet 12, thermoplastic 13, polymer sheet 14, and sponge pad 15 are integrally molded by compression molding.
[0029] Furthermore, the PC composite film heat-sealed bag 2 forms a sealed cavity through hot pressing and directly wraps the recorder body 1 and the buffer layer 7. The buffer layer 7 is made of EVA sponge, the label layer 6 is a PET label, and the back is coated with acrylic adhesive. The adhesion strength between the label and the inner surface of the PC composite film heat-sealed bag 2 is ≥2.5N / cm.
[0030] It includes PCB functional modules, a buffer layer, a labeling layer, and a heat-sealing encapsulation layer; the heat-sealing encapsulation layer is an aluminum-plastic composite film that is heat-pressed to form a sealed cavity, which directly wraps the PCB module and the buffer layer.
[0031] The buffer layer is made of EVA sponge with a thickness of 1.5 to 2.5 mm, a Shore hardness of 20 HA, and a compression set of ≤10%.
[0032] The label layer is made of PET material with acrylic adhesive on the back. It has an adhesion strength of ≥2.5N / cm to the inner surface of the heat-sealed bag and leaves an irreversible visual mark when torn off.
[0033] The PCB module's battery connection adopts a solderless design, with the positive and negative terminals contacting the CR2032 battery through conductive silver paste, and the contact resistance is ≤0.1Ω.
[0034] The heat-sealed bag has a heat-sealing edge area of not less than 2mm, and the edge width consistency error is ≤±0.2mm.
[0035] Core structure:
[0036] Functional layer: PCB board (thickness ≤ 1.6mm), integration:
[0037] Bluetooth 5.0 chip (CC2640R2F)
[0038] Temperature sensor (DS18B20, -30℃~+70℃)
[0039] CR2032 Battery Holder
[0040] Buffer layer: EVA foam (2mm thick), covering the back of the PCB board, used for:
[0041] Buffering external impact
[0042] Insulating battery in contact with heat-sealing film
[0043] Labeling layer: PET label (printed QR code + device ID), affixed to the outside of the sponge layer;
[0044] Encapsulation layer: PC composite film heat-sealed bag (0.1mm thick), sealed into a bag-like structure through a heat-pressing process, forming:
[0045] IP67 protection (water vapor transmission rate ≤0.01g / m²) 2 ·day)
[0046] One-time tamper protection structure (tearing it open will destroy the integrity of the packaging).
[0047] Innovative technological features:
[0048] Caseless packaging architecture:
[0049] The PCB functional modules are directly wrapped in heat-sealed bags, eliminating the need for traditional injection molding / metal shells, with an overall thickness of ≤5mm;
[0050] Layered compressive strength design:
[0051] The EVA sponge layer and the heat-sealed bag form an elastic support structure that can withstand 50N static pressure without deformation.
[0052] Anti-tamper identification system:
[0053] The PET label is bonded to the inner surface of the heat-sealed bag with acrylic adhesive. When the bag is opened, the label tears to reveal the word "VOID".
[0054] Low-profile battery integration:
[0055] The CR2032 battery is flatly attached to the back of the PCB board, and the positive electrode is connected to the PCB by flexible conductive adhesive. The battery thickness is ≤3.2mm.
[0056] Technological characteristics:
[0057] Heat sealing temperature 170℃±5℃, pressure 0.4MPa, time 2s;
[0058] Post-packaging airtightness testing standard: Helium mass spectrometry leak detection rate ≤ 1×10⁻⁶ -6 Pa·m 3 / s.
[0059] Working principle: This utility model includes a recorder body 1, a PC composite film heat-sealed bag 2, a heat-sealed packaging structure 3, a switch assembly 4, a PCB circuit board 5, an identification layer 6, a buffer layer 7, a PCB module 8, a temperature sensor 9, a Bluetooth chip 10, a battery module 11, an epoxy resin sheet 12, thermoplastic 13, a polymer sheet 14, and a sponge pad 15. It is a disposable Bluetooth temperature recorder device without a rigid shell and integrating functional modules through heat-sealed flexible packaging, realizing low-cost, high-sealing, and disposable temperature control management.
[0060] Example:
[0061] Implementation of pharmaceutical cold chain:
[0062] Insert the device into the interlayer of the vaccine packaging box, and after heat sealing, the overall thickness is ≤5mm;
[0063] During transportation, data is read via an app, and upon arrival, the recipient checks the integrity of the heat-sealed bag.
[0064] If the heat seal is damaged, the data is deemed invalid to ensure regulatory credibility.
[0065] Food transportation scenario:
[0066] During batch heat sealing, the production line can complete 120 packages per minute;
[0067] Label printing equipment ID and batch number enable one-item-one-code traceability.
[0068] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0069] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A smart Bluetooth temperature logger comprising a logger body (1), characterized in that: The outer side of the recorder main body (1) is packaged with a PC composite film heat sealing bag (2), the four peripheral sides of the PC composite film heat sealing bag (2) are sealed and positioned with a heat sealing packaging structure (3), the inside of the recorder main body (1) is positioned with a PCB circuit board (5), the surface of the recorder main body (1) is provided with a switch assembly (4), the recorder main body (1) and the PC composite film heat sealing bag (2) are positioned with a buffer layer (7), and the buffer layer (7) and the inner side surface of the PC composite film heat sealing bag (2) are positioned with an identification layer (6).
2. The intelligent Bluetooth temperature recorder according to claim 1, characterized in that: The PCB circuit board (5) is provided with a PCB module (8), a temperature sensor (9), a Bluetooth chip (10) and a battery module (11), the PCB module (8) is connected with the temperature sensor (9), the Bluetooth chip (10) and the battery module (11), the temperature sensor (9) is connected with the battery module (11), and the Bluetooth chip (10) is connected with the battery module (11).
3. The intelligent Bluetooth temperature recorder according to claim 1, characterized in that: The buffer layer (7) comprises an epoxy sheet (12), a thermoplastic glue (13), a high molecular polymer sheet (14) and a sponge gasket (15), the high molecular polymer sheet (14) is located on the surface of the sponge gasket (15), the thermoplastic glue (13) is located on the surface of the high molecular polymer sheet (14), and the epoxy sheet (12) is located on the surface of the thermoplastic glue (13).
4. The intelligent Bluetooth temperature recorder according to claim 2, characterized in that: The battery module (11) supplies power to the PCB module (8), the temperature sensor (9) and the Bluetooth chip (10), and the PCB module (8) is bidirectionally connected with the temperature sensor (9) and the Bluetooth chip (10).
5. The intelligent Bluetooth temperature recorder according to claim 3, characterized in that: The epoxy sheet (12), the thermoplastic glue (13), the high molecular polymer sheet (14) and the sponge gasket (15) are integrally formed by compression molding.
6. The intelligent Bluetooth temperature logger of claim 1, wherein: The PC composite film heat sealing bag (2) forms a closed cavity by hot pressing and directly wraps the recorder main body (1) and the buffer layer (7), the buffer layer (7) is EVA sponge, the identification layer (6) is a PET material label, and the back is coated with acrylic glue, and the adhesive strength with the inner surface of the PC composite film heat sealing bag (2) is greater than or equal to 2.5 N / cm.