Runway type sapphire heart rate monitoring lens
By setting a PVD coating layer and a black ink layer on the sapphire lens, and setting a specific window on the back, the problems of insufficient lens abrasion resistance and corrosion resistance are solved, improving the accuracy of heart rate monitoring and optical performance, and extending service life.
Patent Information
- Application Number
- CN202422903724.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Existing heart rate monitoring lenses have poor wear resistance and corrosion resistance in terms of materials and coating processes, which can lead to scratches or corrosion of the lenses, affecting the accuracy of monitoring data. In addition, their optical performance is insufficient, such as poor light blocking effect and uneven light reflection.
It uses a sapphire lens and has a PVD coating layer on the outer edges of the top and bottom ends. The main components of the coating layer are nitrogen, carbon, chromium and silicon, with chromium accounting for more than 70%. It is divided into two layers, upper and lower, combined with a black ink layer. An LED window, a sensor window and a back electrode window are set on the back.
It enhances the lens's abrasion and corrosion resistance, optimizes optical performance, improves the accuracy and stability of heart rate monitoring, and extends the lens's lifespan.
Smart Images
Figure CN223900788U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heart rate monitoring technical field, concretely is the track type sapphire heart rate monitoring lens. BACKGROUND
[0002] Heart rate monitoring lens is a kind of intelligent health accessories, mainly for monitoring the heart rate of user's body data in real time, this kind of lens usually combines advanced sensing technology and optical design, can capture the influence of blood flow when heart beats to light, to accurately calculate the heart rate.Ordinary heart rate monitoring lens on the market is poor in wear resistance and corrosion resistance on material and plating process, is prone to scratch or corrosion after using a period of time, influence the accuracy of monitoring data, also shorten the service life of lens, and there can be deficiencies in optical performance, such as unsatisfactory light-shielding effect, uneven light reflection, these factors can influence the accuracy of heart rate monitoring data, therefore, the track type sapphire heart rate monitoring lens is provided to solve the above problems. SUMMARY
[0003] (I) Technical problems solved
[0004] In view of the deficiencies in the prior art, the utility model provides the track type sapphire heart rate monitoring lens, has the advantages such as wear resistance and corrosion resistance, solves the problem that ordinary heart rate monitoring lens on the market is poor in wear resistance and corrosion resistance on material and plating process, is prone to scratch or corrosion after using a period of time, influence the accuracy of monitoring data, also shorten the service life of lens, and there can be deficiencies in optical performance, such as unsatisfactory light-shielding effect, uneven light reflection, these factors can influence the accuracy of heart rate monitoring data.
[0005] (II) Technical solutions
[0006] To realize the wear resistance and corrosion resistance purposes, the utility model provides the following technical scheme:
[0007] The track type sapphire heart rate monitoring lens, including sapphire lens, the sapphire lens is track type, PVD plating layer is arranged on the top of sapphire lens both ends outer edge, the back of sapphire lens is provided with black ink layer, the surface of black ink layer is provided with LED window, sensor sensing window and back electrode window.
[0008] As a preferred technical scheme of the utility model, the main component of PVD plating layer is nitrogen, carbon, chromium and silicon, and the chromium content in the PVD plating layer is more than 70%.
[0009] As a preferred technical scheme of the utility model, the angle between the PVD coating layer and the straight edge of the sapphire lens is less than or equal to 0.5 degrees, the PVD coating layer is equal in width to the upper and lower edges of the sapphire lens, and the PVD coating layer is concentric with the rounded corners of the sapphire lens.
[0010] As a preferred technical scheme of the utility model, the black ink layer is divided into two layers, the upper layer of the black ink layer is bright black and has a thickness of 5-7 um, the lower layer of the black ink layer is dull black and has a thickness of 5-7 um, and the two layers of the black ink layer are connected by adhesion.
[0011] As a preferred technical scheme of the utility model, the LED window is arranged at the center of the black ink layer, and the LED window is concentric with the shape of the sapphire lens.
[0012] As a preferred technical scheme of the utility model, the sensor sensing window is arranged in a rectangular distribution with the LED window as the center, and the back electrode window is arranged at two ends of the black ink layer.
[0013] (III) Advantages
[0014] Compared with the prior art, the utility model provides a runway type sapphire heart rate monitoring lens, which has the following beneficial effects: the runway type sapphire heart rate monitoring lens is provided with a PVD coating layer on the top of the sapphire lens at the two ends of the outer edge, the main components of the coating layer are nitrogen, carbon, chromium and silicon, the chromium content is more than 70%, the wear resistance and corrosion resistance of the lens are greatly improved, the service life of the lens is prolonged, the black ink layer is divided into two layers, the upper layer is bright black, and the lower layer is dull black, the reasonable thickness and adhesion mode not only provide good shading effect, improve the da Vinci value, make the glue bonding more firm, and also optimize the optical performance of the lens, make the heart rate monitoring data more accurate, the setting of the LED window enables the heart rate monitoring equipment to accurately emit light, and the sensor sensing window is arranged in a rectangular distribution with the LED window as the center, so that the light can be uniformly reflected back to the sensor, the accuracy and stability of the heart rate monitoring are improved, and the user is facilitated to use. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a structural schematic view of the utility model;
[0016] Fig. 2 It is a front view of the structure of the utility model;
[0017] Fig. 3 It is a back view of the utility model. In the drawing: 1, sapphire lens; 2, PVD coating layer; 3, black ink layer; 4, LED window; 5, sensor sensing window; 6, back electrode window. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0019] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.
[0020] In the description of the utility model, it needs to be explained that, unless explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0021] Please refer to Figs. 1-3 , the runway type sapphire heart rate monitoring lens, including sapphire lens 1, sapphire lens 1 is runway type, sapphire lens 1 is the basic structure of heart rate monitoring lens, provides stable support and optical performance, the outer edge of the upper and lower ends of the top of sapphire lens 1 is provided with PVD coating layer 2, the back of sapphire lens 1 is provided with black ink layer 3, LED window 4, sensor sensing window 5 and back electrode window 6 are opened on the surface of black ink layer 3.
[0022] In the embodiment, the PVD coating layer 2 can enhance the wear resistance and corrosion resistance, the main components of the PVD coating layer 2 are nitrogen, carbon, chromium and silicon, the chromium content in the PVD coating layer 2 is more than 70%, and the combination makes the PVD coating layer 2 have excellent wear resistance and corrosion resistance, thereby prolonging the service life of the sapphire lens 1.
[0023] In the embodiment, the angle between the PVD coating layer 2 and the straight edge of the sapphire lens 1 is ≤0.5 degrees, the PVD coating layer 2 is equal in width from the upper and lower edges of the sapphire lens 1, and the PVD coating layer 2 is concentric with the round corner of the sapphire lens 1.
[0024] In the embodiment, the black ink layer 3 is divided into two layers, the upper layer of the black ink layer 3 is bright black and has a thickness of 5-7um, and the lower layer of the black ink layer 3 is dull black and has a thickness of 5-7um, and the upper and lower layers of the black ink layer 3 are connected in a bonding manner, which not only provides good light shielding effect, but also makes the glue bonding more firm by improving the da Vinci value, and optimizes the optical performance of the sapphire lens 1, so that the heart rate monitoring data is more accurate.
[0025] In the embodiment, the LED window 4 allows the heart rate monitoring device to emit light through the lens for heart rate monitoring, the LED window 4 is arranged at the center of the black ink layer 3, and the LED window 4 is concentric with the shape of the sapphire lens 1, so that the light can be accurately emitted and penetrate the sapphire lens 1, providing the necessary conditions for heart rate monitoring.
[0026] In the embodiment, the sensor sensing window 5 allows the light to be reflected back to the sensor of the heart rate monitoring device for collection and calculation of heart rate data, the sensor sensing window 5 is arranged in a rectangular distribution with the LED window 4 as the center, so as to ensure that the light can be uniformly reflected back to the sensor, improve the accuracy and stability of the heart rate monitoring, and the back electrode window 6 provides an electrode connection point for the heart rate monitoring device for transmission of electrical signals, the back electrode window 6 is arranged at the upper and lower ends of the black ink layer 3, which is convenient for connecting with the electrode of the heart rate monitoring device and ensures the stable transmission of electrical signals.
[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A runway-type sapphire heart rate monitoring lens comprising a sapphire lens (1), characterized in that: Said sapphire lens (1) is runway type, both ends of the top of the sapphire lens (1) are provided with PVD coating layer (2), the back of the sapphire lens (1) is provided with black ink layer (3), the surface of the black ink layer (3) is provided with LED window (4), sensor sensing window (5) and back electrode window (6).
2. The racetrack-shaped sapphire heart rate monitoring lens of claim 1, wherein: The angle between the PVD coating layer (2) and the straight edge of the sapphire lens (1) is less than or equal to 0.5 degrees, the PVD coating layer (2) is equal in width to the upper and lower edges of the sapphire lens (1), and the PVD coating layer (2) is concentric with the fillet of the sapphire lens (1).
3. The racetrack-shaped sapphire heart rate monitoring lens of claim 1, wherein: The black ink layer (3) is divided into two layers, the upper black ink layer (3) is bright black and has a thickness of 5-7um, and the lower black ink layer (3) is dull black and has a thickness of 5-7um, and the upper and lower black ink layers (3) are connected by adhesion.
4. The racetrack-shaped sapphire heart rate monitoring lens of claim 1, wherein: The LED window (4) is located in the center of the black ink layer (3), and the LED window (4) is concentric with the shape of the sapphire lens (1).
5. The racetrack-shaped sapphire heart rate monitoring lens of claim 1, wherein: The sensor sensing window (5) is provided with four windows and is distributed in a rectangular shape with the LED window (4) as the center, and the back electrode window (6) is provided with two windows and is arranged at the upper and lower ends of the black ink layer (3).