Accessory of wearable device, smart watch and wearable device
By incorporating rails and grooves into the strap of wearable devices, physiological sensors can slide and adhere to the skin, solving the problem of poor sensor contact, achieving higher monitoring accuracy and signal stability, and improving the user experience.
Patent Information
- Application Number
- CN202520854625.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-30
AI Technical Summary
Existing wearable devices suffer from insufficient contact between physiological sensors and human skin, resulting in inadequate monitoring accuracy and signal stability, which negatively impacts user experience.
By setting slide rails and slide rail grooves on the watch strap, the physiological sensor can slide along the watch strap loop to adjust its position to fit the human skin, and the signal transmission path is optimized through the signal channel to ensure stable transmission.
It improves the accuracy and signal stability of physiological information monitoring, and enhances user experience and device performance.
Smart Images
Figure CN223913590U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of wearable device technology, and particularly to an accessory for a wearable device, a smartwatch, and a wearable device. Background Technology
[0002] In recent years, with the rapid development of smart wearable technology, wearable devices such as smartwatches and fitness trackers have been widely used in health management, activity monitoring, and smart interaction. Among these, physiological data monitoring, as a core component of health monitoring, directly impacts the device's usability and user experience through its accuracy and signal stability. Therefore, the accuracy of physiological monitoring by wearable devices deserves attention. Utility Model Content
[0003] In view of this, embodiments of this application provide an accessory for a wearable device, a smartwatch, and a wearable device, aiming to improve the accuracy of physiological monitoring by the wearable device. In a first aspect, an accessory for a wearable device is provided, comprising: a watchband, a watchband loop, and a physiological sensor; the watchband having at least one slide rail thereon; the watchband loop having at least one slide rail groove on its inner side, the watchband loop being configured to slide on the slide rail of the watchband via the slide rail groove; the physiological sensor being disposed on the outer side of the watchband loop, configured to adjust the position of the physiological sensor against the skin of the human being being tested based on the position adjustment function of the watchband loop; the watchband is further configured to transmit monitoring results to the wearable device on which the accessory is installed.
[0004] Optionally, the watch strap may further include: a plurality of watch strap through holes arranged sequentially along the extension direction of the watch strap; the watch strap loop may further include: a loop limiting mechanism; the loop limiting mechanism is configured to adjust and fix the position of the watch strap loop on the watch strap by engaging with the watch strap through holes.
[0005] Optionally, the watch strap includes: a first slide rail and a second slide rail, respectively disposed on both sides of the watch strap extension direction; the watch strap loop includes: a first slide rail groove and a second slide rail groove, respectively disposed on both sides of the inner circle of the watch strap loop; wherein, the first slide rail groove and the first slide rail are slidably connected, and the second slide rail groove and the second slide rail are slidably connected.
[0006] Optionally, the strap may also include: at least one signal channel; the signal channel, electrically connected to the physiological sensor via a strap loop and connected to the control circuitry of the wearable device, is configured to transmit the monitoring results of the physiological sensor.
[0007] Optionally, it also includes: a first signal channel and a second signal channel; the first signal channel is disposed in the first slide rail, and the second signal channel is disposed in the second slide rail.
[0008] Optionally, the types of physiological sensors include one or more of the following: heart rate sensor, body temperature sensor, respiration sensor, or blood pressure sensor.
[0009] Optionally, the watch strap includes a long strap and a short strap; the first end of the short strap is provided with a strap buckle, and the second end is provided with a first connecting mechanism, which is used to connect the short strap and the wearable device, and a strap loop is provided on the short strap; the long strap is provided with a plurality of strap buckle through holes in sequence, which can be connected with the strap buckle to fix the wearable device to the human wrist.
[0010] In a second aspect, a smartwatch is provided, comprising: an accessory for the wearable device provided in the first aspect; a watch face, with both ends connected to the accessory for the wearable device, configured to acquire monitoring results from physiological sensors via a watch strap.
[0011] Optionally, the watch face may also include: a speaker, located on a first or second side of the watch face, wherein the first and second sides are positioned opposite each other on the watch face; buttons, located on a first or second side of the watch face; a charging port, located at the bottom of the watch face; and a camera, located at the top of the watch face.
[0012] Thirdly, a wearable device is provided, comprising: accessories for the wearable device provided in the first aspect.
[0013] The above-mentioned wearable device accessories improve the fit between the physiological sensors and the skin of the human wrist by placing the physiological sensors on the watch band that can slide along the watch strap, thereby improving the accuracy of physiological information monitoring. At the same time, they optimize the signal transmission path to ensure stable transmission of monitoring results, thus enhancing the overall performance and user experience of the wearable device. Attached Figure Description
[0014] The following is a brief introduction to the accompanying drawings used in the description of the embodiments of this application:
[0015] Figure 1 This paper shows a schematic diagram of the structure of an accessory for a wearable device provided in some embodiments of this application;
[0016] Figure 2 This paper shows a schematic diagram of the structure of a watch strap loop 120 provided in some embodiments of this application;
[0017] Figure 3 This illustration shows a schematic diagram of the connection between an accessory of a wearable device and the main body of the wearable device, provided in some embodiments of this application;
[0018] Figure 4 A schematic diagram of the structure of a smartwatch provided in some embodiments of this application is shown.
[0019] Reference numerals: 110-Swrap, 111-Slide rail, 111a-First slide rail, 111b-Second slide rail, 112-Swrap through hole, 120-Swrap loop, 121-Slide rail groove, 121a-First slide rail groove, 121b-Second slide rail groove, 122-Swrap limiting mechanism, 130-Physiological sensor, 310-Short strap, 311-Swrap buckle, 312-First connecting mechanism, 320-Long strap, 321-Swrap buckle through hole. Detailed Implementation
[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the specific implementation methods of this application will be described below with reference to the accompanying drawings. The accompanying drawings described below are merely some embodiments of this application. For those skilled in the art, other drawings or embodiments can be obtained based on these drawings or embodiments without creative effort. Adjustments and improvements made without departing from the concept of this application are all within the protection scope of this application.
[0021] To keep the drawings simple, each figure only schematically shows the parts relevant to the embodiment, and they do not represent the actual structure of the product. In addition, for the sake of clarity and ease of understanding, some figures only schematically show parts of components with the same structure or function, and there may actually be more or fewer components with the same structure or function.
[0022] In this application, unless otherwise expressly specified and limited, ordinal numbers, such as "first," "second," etc., are used only to distinguish and describe related objects, and should not be construed as indicating or implying the relative importance or order between related objects; furthermore, they do not represent the quantity of related objects. "Multiple" includes two or more, and other quantifiers are similar. " / " is used to describe the relationship between related objects, indicating an "or" relationship between them. "And / or" is used to describe the relationship between related objects, including any combination relationship between them, such as "a and / or b" including: "a alone," "b alone," or "a and b." "One or more" or "at least one" of multiple objects refers to any object or any combination of multiple objects, such as "one or more of a1, a2, a3" or "at least one of a1, a2, a3" including: "a1 alone," "a2 alone," "a3 alone," "a1 and a2," "a1 and a3," "a2 and a3," or "a1, a2 and a3."
[0023] Current wearable devices often suffer from suboptimal placement and structure when incorporating physiological sensors. This leads to inaccurate monitoring of physiological information during exercise or work, resulting in erroneous data recording and negatively impacting user experience. For example, heart rate sensors are typically integrated into the back of smartwatches or wristbands, monitoring blood flow changes under the wearer's skin via optical reflection. However, variations in wrist shape, wearing tightness, and the possibility of slippage or rotation of the strap during daily wear can cause poor sensor-skin contact, affecting the quality of heart rate signal acquisition. While increasing the number of sensors or improving sensitivity can compensate for this, it increases power consumption and cost, and fails to fundamentally solve the signal instability caused by poor contact. In existing designs, physiological sensors are often fixed to the device body, lacking flexibility and failing to adapt to different users' wearing habits or physiological characteristics. This application aims to provide an accessory for wearable devices, a smartwatch, and a wearable device. By placing a physiological sensor on a watch band that can slide along the watchband, the fit between the physiological sensor and the skin of the human wrist is improved, the accuracy of physiological information monitoring is enhanced, and the signal transmission path is optimized. The signal channel of the watchband is used to achieve electrical connection with the control circuit set in the wearable device, ensuring stable signal transmission of monitoring results and improving the overall performance and user experience of the smartwatch.
[0024] The following description is in conjunction with the accompanying drawings:
[0025] Figure 1 The diagram illustrates the structure of an accessory for a wearable device according to some embodiments of this application. The accessory includes: a watchband 110, a watchband loop 120, and a physiological sensor 130; the watchband 110 has at least one slide rail 111 thereon; the watchband loop 120 has at least one slide rail groove 121 on its inner side, and the watchband loop 120 is configured to slide on the slide rail 111 of the watchband via the slide rail groove 121; the physiological sensor 130 is disposed on the outer side of the watchband loop 120 and is configured to adjust the position of the physiological sensor 130 against the skin of the human being being tested based on the position adjustment function of the watchband loop 120; the watchband 110 is also configured to transmit monitoring results to the wearable device on which the accessory is installed.
[0026] In the accessories of the wearable device described above, the slide rail 111 on the strap 110 can be slidably connected to the slide rail groove 121 on the inner side of the strap loop 120, allowing the strap loop 120 to slide freely on the strap according to the user's preference. Simultaneously, the physiological sensor 130 on the strap loop 120 can be adjusted according to the user's wrist size, for example, by placing it closer to the pulse. Compared to some physiological sensors 130 placed on the back of the hand, this allows for more ideal and accurate monitoring of the user's heart rate, respiratory rate, or blood pressure. Since users have different wrist sizes and other physiological characteristics, the adjustable position of the physiological sensor 130 on the strap loop 120 can better adapt to users with different characteristics, further improving the accuracy of physiological monitoring and user comfort, thus enhancing the user experience. The pulse location on the inner side of the wrist (such as the radial artery) is an area where blood vessels are relatively superficial and blood flow signals are obvious. In this area, changes in blood volume caused by the heart's pumping are more easily detected. Physiological sensors 130 (especially photoplethysmography, PPG) rely on changes in blood flow to calculate heart rate and other hemodynamic parameters. If not in close contact with the pulse, the signal may be interfered with by noise (e.g., muscle movement, skin reflection, loose strap), and the blood flow changes may be insignificant, leading to a reduced signal-to-noise ratio and unclear data waveforms. Placing the sensor close to the pulse effectively enhances the intensity of the blood flow signal acquisition, thereby improving the clarity and stability of the heart rate waveform. In some embodiments, the slide rail 111 can be designed as a raised or recessed track on the surface of the strap 110. For example, it can be designed on the side of the strap 110 away from the user's wrist to improve wearing comfort; or it can be designed on the side of the strap 110 close to the user's wrist to improve the aesthetics of the strap; or slide rails 111 can be designed on both sides of the strap 110 to improve the stability of the strap loop 120 sliding on the strap. The number of slide rails 111 is at least one, and can be two, three, four, etc. The specific number can be adjusted according to the actual application so that the slide groove set on the inner side of the watch strap loop 120 matches the size of the slide rail 111 and can slide smoothly, while also taking stability into account.
[0027] In some implementations, reference continues. Figure 1 The watch strap 110 also includes a plurality of watch strap through holes 112 arranged sequentially along the extension direction of the watch strap 110; Figure 2 A schematic diagram of a watch strap loop 120 provided in some embodiments of this application is shown. The watch strap loop 120 further includes: a watch strap limiting mechanism 122; the watch strap limiting mechanism 122 is configured to adjust and fix the position of the watch strap loop 120 on the watch strap 110 by engaging with the watch strap through hole 112.
[0028] During wear, the watchband loop 120 may change position due to friction with the skin. Therefore, after the loop retaining mechanism 122 engages with the watchband through-hole 112, the position of the watchband loop 120 can be fixed, ensuring that the physiological sensor 130 remains fixed around the surface of the skin being tested, stably monitoring human physiological information and improving monitoring accuracy. The distance between the multiple watchband through-holes 112 can be the same or different, depending on the different total length and width specifications of the watchband 110. Alternatively, the watchband 110 can also be provided without through-holes 112, instead featuring multiple magnetic points. The loop retaining mechanism 122 of the watchband loop 120 can also be a magnetic structure, allowing the watchband loop 120 to engage with the magnetic points after reaching the designated position, thus achieving the same function of fixing the physiological sensor 130. Furthermore, by avoiding friction between the loop retaining mechanism 122 and the watchband through-hole 112, the durability of the watchband 110 can be further improved, preventing problems such as deformation of the watchband 110.
[0029] In some implementations, reference continues. Figure 1 The watch strap 110 includes a first slide rail 111a and a second slide rail 111b, which are respectively disposed on both sides of the extension direction of the watch strap 110; the watch strap ring 120 includes a first slide rail groove 121a and a second slide rail groove 121b, which are respectively disposed on both sides of the inner ring of the watch strap ring 120; wherein, the first slide rail groove 121a and the first slide rail 111a are slidably connected, and the second slide rail groove 121b and the second slide rail 111b are slidably connected.
[0030] In the above embodiments, the first slide rail 111a and the second slide rail 111b are respectively disposed on both sides of the watchband 110 along its extension direction. For example, the first slide rail 111a and the second slide rail 111b are disposed opposite to each other and can be integrally formed with the watchband 110 or fixedly connected by an insert. The slide rail can be a linear structure or a guide rail structure with a limit to guide the watchband loop 120 to slide along a set path. The first slide rail groove 121a and the second slide rail groove 121b on the watchband loop 120 for mounting the physiological sensor 130 can be respectively disposed on both sides of the inner ring of the watchband loop 120, and their positions correspond to the first slide rail 111a and the second slide rail 111b on the watchband 110. The first slide rail groove 121a is slidably connected to the first slide rail 111a, and the second slide rail groove 121b is also slidably connected to the second slide rail 111b. Through the aforementioned sliding engagement structure, the strap loop 120 can slide along the length of the strap 110, thereby moving the physiological sensor 130 mounted thereon along the strap to achieve fine adjustment of the wearing position, so as to better fit the target physiological monitoring area (e.g., the radial artery position) on the user's wrist. In some embodiments, the first slide rail 111a and the second slide rail 111b may have an anti-dislodgement limiting structure to prevent the strap loop 120 from accidentally falling off during sliding, further improving the structural stability of the strap 110.
[0031] In some embodiments, the watchband 110 further includes: at least one signal channel; the signal channel, electrically connected to the physiological sensor 130 via the watchband loop 120 and connected to the control circuitry of the wearable device, is configured to transmit the monitoring results of the physiological sensor 130.
[0032] In some embodiments, it further includes: a first signal channel and a second signal channel; the first signal channel is disposed in the first slide rail 111, and the second signal channel is disposed in the second slide rail 111.
[0033] By setting a first signal channel and a second signal channel with signal conduction capability in the slide rails 111 on both sides of the strap 110, the signal transmission path between the physiological sensor 130 and the control circuit of the wearable device body can be optimized, ensuring the stability of signal transmission and improving the accuracy of physiological information monitoring.
[0034] In some embodiments, the physiological sensor 130 may be one or more of the following: a heart rate sensor, a body temperature sensor, a respiration sensor, or a blood pressure sensor.
[0035] When setting up the physiological sensors 130, the heart rate sensor can be a photoplethysmography (PPG) sensor or an electrode-type electrocardiogram (ECG) monitoring device to acquire the user's heart rate data in real time. The body temperature sensor can be based on thermistors, thermocouples, or infrared thermometry to monitor changes in the user's skin temperature in real time, helping to assess physical condition. The respiration sensor can extract parameters such as respiratory rate by monitoring minute displacement changes in the chest cavity or wrist, or by analyzing respiratory modulation waveforms in blood flow signals. The blood pressure sensor can use the pulse wave conduction time (PWTT) method or other non-invasive monitoring technologies, combining heart rate and body temperature parameters to estimate the user's blood pressure data. These sensor types can be set independently or in combination to meet different physiological parameter monitoring needs. For example, setting up both a heart rate sensor and a blood pressure sensor simultaneously can monitor physiological information closely related to cardiovascular and cerebrovascular diseases in elderly users, helping them understand their physical condition in a timely manner.
[0036] Figure 3 This illustration shows a schematic diagram of the connection between an accessory of a wearable device and the main body of the wearable device according to some embodiments of this application. The watch strap 110 includes a short strap 310 and a long strap 320. A watch strap buckle 311 is provided at the first end of the short strap 310, and a first connecting mechanism 312 is provided at the second end. The first connecting mechanism 312 is used to connect the short strap 310 and the wearable device W. A watch strap loop 120 is provided on the short strap 310. A plurality of watch strap buckle through holes 321 are provided in sequence on the long strap 320. The watch strap buckle through holes 321 and the watch strap buckle 311 can be connected to each other to fix the wearable device W to the human wrist.
[0037] Based on the same technological concept Figure 4 This application illustrates a schematic diagram of a smartwatch provided in some embodiments, including: an accessory 410 for a wearable device as described in the above embodiments; and a watch face 420, connected at both ends to the accessory 410, configured to acquire monitoring results from physiological sensors via the watch strap as described in the above embodiments. For example, in this smartwatch, a flexible pulse wave sensor collects the wearer's wrist heart rate physiological signal, and transmits the signal to a control circuit inside the watch case for processing via conductive channels on both sides of the watch strap, ultimately displaying the heart rate data on the display screen.
[0038] In some embodiments, the dial 420 further includes: a speaker 421 disposed on a first side or a second side of the dial, wherein the first side and the second side are positioned opposite each other on the dial 420; a button 422 disposed on the first side or the second side of the dial 420; and a charging port 423 disposed at the lower part of the dial 420 (e.g., ...). Figure 3 (As shown); Camera 424 is located on the upper part of dial 420.
[0039] Based on the same technical concept, this application also provides a wearable device, including: accessories for the wearable device provided in the above embodiments. Wearable devices may include, but are not limited to: smart bracelets, medical monitoring wristbands, sports / fitness tracking devices, wearable rehabilitation devices, virtual reality (VR, AR) monitoring devices, sleep monitoring devices, child / elderly monitoring devices, and a range of other devices that can utilize the accessories involved in the embodiments of this application.
[0040] In the above embodiments, the descriptions of each embodiment have their own emphasis. Parts not described in detail or in a particular embodiment can be referred to in the relevant descriptions of other embodiments. Furthermore, the above embodiments can be freely combined as needed.
Claims
1. An accessory for a wearable device, the accessory comprising: The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof.
2. The accessory for a wearable device of claim 1, wherein, The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof.
3. The accessory for a wearable device of claim 1, wherein, The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof.
4. The accessory of claim 1, wherein, The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof.
5. The accessory of claim 3, wherein, The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof.
6. The accessory of a wearable device according to any one of claims 1-5, wherein, The application relates to a wearable device and an accessory thereof.
7. The accessory of a wearable device according to any one of claims 1-5, wherein, The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof.
8. A smart watch, characterized by The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. 9.The smart watch of claim 8, wherein, The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof.
10. A wearable device, comprising: The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. The application relates to a wearable device and an accessory thereof. 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