Intelligent watch
The detachable PPG module design solves the problems of replacement cost and flexibility when the PPG module is damaged or different models are matched in existing smartwatches, thereby improving user experience and measurement accuracy.
Patent Information
- Application Number
- CN202520353681.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-02-28
AI Technical Summary
When the PPG module integrated into existing smartwatches is damaged or requires a different model, users need to replace the entire watch, which increases costs, limits the flexibility of personalized configuration, and affects the user experience.
The design incorporates a detachable PPG module, which is detachable and installable through a combination of positioning posts, conductive bases, elastic buckles, and limiting slots. Multiple sets of light-emitting diodes and photodiodes are also installed on the module to improve measurement accuracy.
Users can easily replace the PPG module, reducing maintenance costs, improving user experience, and enhancing measurement accuracy through multi-angle optical signal reception.
Smart Images
Figure CN223796831U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wearable device technology, and in particular to a smartwatch. Background Technology
[0002] With the increasing demand for health monitoring and the continuous enrichment of smartwatch functions, smartwatches with health monitoring functions such as heart rate and blood oxygenation have appeared on the market. A PPG (Photoplethysmograph) module is integrated into the smartwatch. When a user wears the smartwatch, the PPG module emits light into the skin of the area where the watch is worn and receives and compares the reflected light to determine the optical changes between the two. These optical changes are converted into electrical signals, which are then processed by built-in algorithms to obtain the user's physiological parameters such as heart rate and blood oxygenation, thus achieving health monitoring of the user's heart rate and blood oxygenation.
[0003] However, with existing smartwatches that have a fixed integrated PPG module, if the PPG module is damaged or different models are needed to monitor different health indicators, users often need to replace the entire smartwatch. This adds extra costs for users and also limits the flexibility of personalized settings, affecting the user experience. Utility Model Content
[0004] The purpose of this invention is to provide a smartwatch that includes a detachable PPG module. This allows users to easily replace the PPG module, reducing maintenance costs and improving the user experience.
[0005] To achieve the above objectives, one embodiment of the present invention provides a smartwatch, wherein the smartwatch includes:
[0006] The watch body 1, the first watch strap 4, the second watch strap 6, and the PPG module 12, wherein,
[0007] The watch body 1 has a display screen 2 on the front, a mounting slot 18 on the back, and connecting seats 3 on both sides;
[0008] The watch body 1 is connected to the first watch strap 4 and the second watch strap 6 respectively via the connecting seat 3;
[0009] The PPG module 12 can be detachably installed in the mounting slot 18.
[0010] Furthermore, the first watch strap 4 is provided with a plurality of evenly distributed adjustment holes 5, the second watch strap 6 is provided with at least one watch strap loop 7, and one end of the second watch strap 6 is provided with a watch strap buckle 8 and a fixing pin 9.
[0011] Furthermore, the PPG module 12 has a positioning post 15 and a conductive seat 16 on its inner side, and a conductive contact 19 and a positioning hole 20 on the mounting groove 18; when the PPG module 12 is detachably installed in the mounting groove 18, the positioning post 15 falls into the positioning hole 20, and the conductive seat 16 contacts the conductive contact 19.
[0012] Furthermore, the PPG module 12 is provided with a number of elastic buckles 22 evenly on its side, and the mounting groove 18 is provided with the same number of limiting slots 17 as the elastic buckles 22 evenly on its side. When the PPG module 12 is detachably installed in the mounting groove 18, the elastic buckles 22 are embedded in the limiting slots 17.
[0013] Furthermore, the mounting groove 18 has symmetrical grooves 21 on its side edges.
[0014] Furthermore, the PPG module 12 has at least one set of light-emitting diodes 13 and photodiodes 14 on its external side.
[0015] Furthermore, there are at least three groups of light-emitting diodes 13 and photodiodes 14, which are arranged in a circular and uniform manner.
[0016] Furthermore, the watch body 1 has an adjustment knob 10 and a charging port 11 on its side.
[0017] The working principle of this utility model is as follows:
[0018] When the smartwatch body and PPG module are separated, first align the positioning pin of the PPG module with the positioning hole of the mounting slot and insert it. Then gently push the PPG module. The elastic buckle will temporarily retract due to the force. When the PPG module is fully pushed into the mounting slot, the elastic buckle will align with the limit slot. At this time, the elastic buckle will spring back and embed into the limit slot, and the conductive base will make full contact with the conductive contacts, thus completing the connection between the PPG module and the smartwatch body.
[0019] When the PPG module is connected to the watch body, when the watch body is powered on, because the conductive base and conductive contacts are in full contact, the circuit inside the PPG module will also be powered on. After the PPG module completes initialization, it will enter the working state. The light emitted by the light-emitting diode will partially penetrate the user's skin and be absorbed by the blood, and partially be reflected. The photodiode will receive the reflected light and convert it into an electrical signal. The electrical signal can be processed according to the algorithm built into the PPG module to generate heart rate data and blood oxygen data, which can be transmitted to the watch body and displayed on the screen.
[0020] When the smartwatch body and PPG module are connected, you can insert your finger into the groove on the back of the watch body and gently press the PPG module to disengage the elastic buckle from the limiting slot. Then, remove the PPG module to detach it from the mounting slot of the watch body.
[0021] Compared with the prior art, the beneficial effects of this utility model are mainly reflected in:
[0022] The use of a detachable PPG module allows users to easily replace it, reducing maintenance costs and improving the user experience. Furthermore, the evenly distributed circular arrangement of LEDs and photodiodes allows for the reception of reflected light signals from multiple angles, increasing the probability of receiving valid light signals and thus improving measurement accuracy. Attached Figure Description
[0023] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0024] Figure 1 This image shows a front view of a smartwatch according to an embodiment of the present invention.
[0025] Figure 2 The image shows a rear view of a smartwatch according to an embodiment of the present invention;
[0026] Figure 3 This image shows a side view of a smartwatch according to an embodiment of the present invention;
[0027] Figure 4 The rear view of a smartwatch with the PPG module detached, according to an embodiment of the present invention, is shown.
[0028] Figure 5 This image shows a front view of a smartwatch with its PPG module detached, according to an embodiment of the present invention.
[0029] Explanation of reference numerals in the attached drawings: 1-Watch body, 2-Display screen, 3-Connecting base, 4-First watch strap, 5-Adjustment hole, 6-Second watch strap, 7-Watch strap loop, 8-Watch strap buckle, 9-Fixing pin, 10-Adjustment knob, 11-Charging port, 12-PPG module, 13-Light emitting diode, 14-Photodiode, 15-Positioning post, 16-Conductive base, 17-Limiting slot, 18-Mounting slot, 19-Conductive contact, 20-Positioning hole, 21-Groove, 22-Elastic buckle;
[0030] The same or similar reference numerals in the accompanying drawings represent the same or similar parts. Detailed Implementation
[0031] Existing smartwatches with fixed integrated PPG modules often require users to replace the entire smartwatch if the PPG module is damaged or if different models are needed to monitor different health indicators. This incurs additional costs for users and limits the flexibility of personalized settings, thus affecting the user experience.
[0032] This invention provides a smartwatch that includes a detachable PPG module, allowing users to easily replace the PPG module, reducing maintenance costs and improving user experience.
[0033] The technical concept, specific structure, and technical effects of a smartwatch provided by this utility model will be further described below with reference to the accompanying drawings, so as to fully understand the purpose, features, and effects of this application. The drawings illustrate embodiments and optional embodiments of this utility model. It should be understood that those skilled in the art can modify the utility model described herein while still achieving the advantageous effects of this utility model. Therefore, the following description should be understood as illustrative explanations of this utility model and not as a limitation thereof.
[0034] like Figures 1-5 The present invention provides a smartwatch, wherein one embodiment of the smartwatch includes:
[0035] The watch body 1, the first watch strap 4, the second watch strap 6, and the PPG module 12, wherein,
[0036] The watch body 1 has a display screen 2 on the front, a mounting slot 18 on the back, and connecting seats 3 on both sides;
[0037] The watch body 1 is connected to the first watch strap 4 and the second watch strap 6 respectively via the connecting seat 3;
[0038] The PPG module 12 can be detachably installed in the mounting slot 18.
[0039] The PPG module is detachable and can be separated from the smartwatch body. This detachable PPG module allows users to easily replace it in case of malfunction or when needing to switch to a different PPG module with varying functions or performance, reducing maintenance costs and improving the user experience.
[0040] Furthermore, the first watch strap 4 is provided with a plurality of evenly distributed adjustment holes 5, the second watch strap 6 is provided with at least one watch strap loop 7, and one end of the second watch strap 6 is provided with a watch strap buckle 8 and a fixing pin 9.
[0041] When wearing the smartwatch, the user can adjust the tightness through the adjustment hole 5, and then insert the fixing pin 9 into the corresponding adjustment hole 5, and fix it in conjunction with the strap buckle 8 and the strap loop 7.
[0042] Furthermore, the PPG module 12 has a positioning post 15 and a conductive seat 16 on its inner side, and a conductive contact 19 and a positioning hole 20 on the mounting groove 18; when the PPG module 12 is detachably installed in the mounting groove 18, the positioning post 15 falls into the positioning hole 20, and the conductive seat 16 contacts the conductive contact 19.
[0043] When the smartwatch body 1 and the PPG module 12 are separated, the positioning pin 15 on the inner side of the PPG module 12 can be aligned with the positioning hole 20 of the mounting slot 18 and inserted. Then, the PPG module 12 can be gently pushed. When the PPG module 12 is fully pushed into the mounting slot 18, the conductive base 16 will make full contact with the conductive contact 19, thereby completing the connection between the PPG module 12 and the smartwatch body 1.
[0044] Furthermore, the PPG module 12 is provided with a number of elastic buckles 22 evenly on its side, and the mounting groove 18 is provided with the same number of limiting slots 17 as the elastic buckles 22 evenly on its side. When the PPG module 12 is detachably installed in the mounting groove 18, the elastic buckles 22 are embedded in the limiting slots 17.
[0045] During the gentle pushing of the PPG module 12, the elastic clips 22 temporarily retract due to the force. When the PPG module 12 is fully pushed into the mounting slot 18, each elastic clip 22 on the PPG module 12 aligns with the corresponding limiting slot 17 on the mounting slot 18. At this point, the elastic clips 22 spring back and embed into the limiting slot 17, and the conductive base 16 fully contacts the conductive contact 19, thereby completing the connection between the PPG module 12 and the watch body 1. The use of the elastic clips and limiting slots simplifies the fixing method of the PPG module and ensures the reliability of the electrical connection between the PPG module and the watch body.
[0046] Furthermore, the mounting groove 18 has symmetrical grooves 21 on its side edges.
[0047] To facilitate the removal of the PPG module 12, symmetrical grooves 21 can be made on the upper edge of the side of the mounting slot 18. When the watch body 1 and the PPG module 12 are connected, fingers can be inserted into the grooves 21 on the back of the watch body 1. For example, the thumb and another finger can be inserted into the two symmetrical grooves 21 respectively, and the PPG module 12 can be gently pressed to disengage the elastic buckle 22 from the limiting slot 17. Then, the PPG module 12 can be removed, thereby removing the PPG module 12 from the mounting slot 18 of the watch body 1.
[0048] Furthermore, the PPG module 12 has at least one set of light-emitting diodes 13 and photodiodes 14 on its external side.
[0049] The PPG module 12 has at least one set of light-emitting diodes 13 and photodiodes 14 on its external side. The light-emitting diodes 13 emit light of a corresponding frequency, and the photodiodes 14 in the same set receive the reflected light and convert it into an electrical signal. The built-in algorithm of the PPG module 12 processes the electrical signal to generate health monitoring data such as the user's heart rate and blood oxygen.
[0050] Furthermore, there are at least three groups of light-emitting diodes 13 and photodiodes 14, which are arranged in a circular and uniform manner.
[0051] In order to increase the probability of receiving effective reflected light and thus improve the monitoring accuracy, a circular layout can be adopted, with multiple sets of light-emitting diodes 13 and photodiodes 14 evenly arranged in a circle, at least three sets.
[0052] Furthermore, the watch body 1 has an adjustment knob 10 and a charging port 11 on its side.
[0053] The watch body 1 also features an adjustment knob 10 on its side, which, in conjunction with the information displayed on the screen 2, allows for operation of the smartwatch. A charging port 11 is also located on the side of the watch body 1, used for charging the smartwatch and for electrical connection to other electronic devices or smart terminals for charging and / or data transmission.
[0054] It should be noted that the above embodiments and / or optional embodiments are only used to illustrate the technical solutions of this utility model and do not constitute any limitation on this utility model. Those skilled in the art should understand that any equivalent substitutions or modifications made to the technical solutions and content disclosed in this utility model without departing from the scope of the technical solutions of this utility model are all within the spirit and scope of the technical solutions of this utility model and should be covered within the protection scope of this utility model.
[0055] In this application, when terms such as "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" are used, the indicated orientation and / or positional relationship is based on the orientation and / or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation. Furthermore, some of the above terms, in addition to indicating orientation or positional relationship, can also be used to indicate other meanings; for example, the term "upper" can also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances.
[0056] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection via an intermediate medium; and they can refer to an internal connection between two devices, components, or constituent parts. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0057] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, units, modules, elements, circuits, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance, order, and / or quantity of the indicated devices, units, modules, elements, circuits, or components. Unless otherwise stated, "a plurality of" means two or more.
[0058] Furthermore, it is clear that the word "comprising" does not exclude other devices, units, modules, elements, circuits, or components, and the singular does not exclude the plural. A plurality of devices, units, modules, elements, circuits, or components recited in the claims may also be implemented with a single device, unit, module, element, circuit, or component.
Claims
1. A smart watch, characterized by The smart watch comprises: A watch body (1), a first watchband (4), a second watchband (6) and a PPG module (12), wherein, The watch body (1) is provided with a display screen (2) on the front side, an installation groove (18) on the back side, and a connecting seat (3) on both sides; The watch body (1) is connected with the first watchband (4) and the second watchband (6) through the connecting seat (3) respectively; The PPG module (12) is detachably installed in the installation groove (18).
2. The smart watch of claim 1, wherein, The first watchband (4) is provided with a plurality of evenly distributed adjusting holes (5), and the second watchband (6) is provided with at least one watchband ring (7). One end of the second watchband (6) is provided with a watchband buckle (8) and a fixing needle (9).
3. The smart watch of claim 1, wherein, The inner side of the PPG module (12) is provided with a positioning column (15) and a conductive seat (16), and the installation groove (18) is provided with a conductive contact (19) and a positioning hole (20). When the PPG module (12) is detachably installed in the installation groove (18), the positioning column (15) falls into the positioning hole (20), and the conductive seat (16) contacts with the conductive contact (19).
4. The smart watch of claim 1, wherein, The side of the PPG module (12) is uniformly provided with a plurality of elastic buckles (22), and the side of the installation groove (18) is uniformly provided with a plurality of limiting clamping grooves (17) which are same in number with the elastic buckles (22). When the PPG module (12) is detachably installed in the installation groove (18), the elastic buckles (22) are embedded in the limiting clamping grooves (17).
5. The smart watch of claim 4, wherein, The side edge of the installation groove (18) is symmetrically provided with a groove (21).
6. The smart watch of claim 1, wherein, The outer side of the PPG module (12) is provided with at least one group of light emitting diodes (13) and photodiodes (14).
7. The smart watch of claim 6, wherein, The light emitting diodes (13) and the photodiodes (14) are at least three groups, and are circularly and uniformly arranged.
8. The smart watch of claim 1, wherein, The side of the watch body (1) is provided with an adjusting knob (10) and a charging port (11).