Detection assembly and wearable device

Abstract

The invention relates to a detection assembly and wearable equipment, the detection assembly comprises a mounting part, a cover plate, a printed circuit board, a flexible circuit board and an extrusion part, the cover plate and the printed circuit board are both connected with the mounting part, the printed circuit board and the cover plate are arranged at an interval, and a mounting interlayer is formed between the printed circuit board and the cover plate; the flexible circuit board is electrically connected with the printed circuit board and provided with a patch portion, the patch portion is provided with a sensor and located in the installation interlayer, the patch portion is connected with the side, facing the printed circuit board, of the cover plate, and the extrusion piece is clamped between the patch portion and the printed circuit board and extrudes the patch portion under abutting of the printed circuit board. According to the detection assembly and the wearable device, the patch part is extruded by the extrusion piece under the abutting of the printed circuit board, so that the patch part and the cover plate are stably connected, and the probability that the patch part falls off from the cover plate to affect the detection accuracy of the sensor is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of wearable devices, and in particular to detection components and wearable devices. Background Art

[0002] With the development of mobile technology, many traditional electronic products have begun to add mobile functions. For example, today's wearable devices such as smart watches and smart bracelets can be connected to the Internet through smartphones or home networks to display call information, short messages, news, weather information, etc. Some smart watches equipped with sensors can also monitor sleep, monitor heart rate, remind you to sit for a long time, count steps when running, take photos remotely, play music, record videos, and use a compass. For middle-aged and elderly users and sports enthusiasts, it is very important to detect and read heart rate and other information in a timely manner.

[0003] However, in the related art, as the functions integrated into wearable devices increase, the number and types of structural parts also increase, which brings challenges to the structural layout of the detection components. In the wearable devices of the related art, the stability of the detection components is poor, and it is easy to fail to detect or the detection results are inaccurate due to looseness. Summary of the invention

[0004] An embodiment of the present application provides a detection component and a wearable device to solve the technical problem of how to improve detection stability to reduce the probability of detection failure.

[0005] In one aspect, the present application provides a detection component, comprising:

[0006] Mounting parts;

[0007] A cover plate connected to the mounting member;

[0008] A printed circuit board is connected to the mounting member, wherein the printed circuit board and the cover plate are spaced apart from each other to form a mounting interlayer therebetween;

[0009] A flexible circuit board is electrically connected to the printed circuit board and has a patch portion, the patch portion is provided with a sensor and is located in the mounting interlayer, the patch portion is connected to a side of the cover plate facing the printed circuit board; and

[0010] The extrusion piece is sandwiched between the patch part and the printed circuit board, and the extrusion piece presses the patch part under the support of the printed circuit board.

[0011] On the other hand, the present application provides a wearable device, comprising the above-mentioned detection component.

[0012] In the above detection assembly and wearable device, the cover plate and the printed circuit board are both mounted on the mounting member, and a mounting interlayer is formed between the two. The flexible circuit board is electrically connected to the printed circuit board and has a patch portion. The patch portion is provided with a sensor and is located in the mounting interlayer. The patch portion is connected to the side of the cover plate facing the printed circuit board. Since the extrusion piece is sandwiched between the patch portion and the printed circuit board, the extrusion piece squeezes the patch portion under the support of the printed circuit board, so that the patch portion and the cover plate are stably connected, reducing the probability of the patch portion falling off the cover plate and affecting the accuracy of sensor detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 A front view schematic diagram of a detection component provided in an embodiment.

[0015] Figure 2 A detection component provided in an embodiment Figure 1 Schematic diagram of the cross-sectional structure of line II in FIG.

[0016] Figure 3 for Figure 2 A schematic diagram of the enlarged local structure at A of the detection component is shown.

[0017] Figure 4 A schematic diagram of the explosion structure of a detection component provided in an embodiment.

[0018] Figure 5 This is a schematic diagram of the three-dimensional structure of a detection assembly provided in an embodiment, wherein, in order to show the extrusion covered by the printed circuit board, the printed circuit board is partially cut away at the position corresponding to the extrusion.

[0019] Figure 6 for Figure 5 An enlarged schematic diagram of the local structure at B of the detection component is shown.

[0020] Figure 7 The figure is a schematic diagram of the assembly structure of the bending portion, the patch portion and the enclosure of the flexible circuit board of the detection component according to one embodiment.

[0021] Figure 8 The detection component provided in an embodiment corresponds to the removal of the flexible circuit board Figure 5 An enlarged schematic diagram of the local structure at point B is shown.

[0022] Fig. 9 A schematic diagram of the heart rate detection principle of a PPG sensor in a detection component provided in one embodiment.

[0023] Fig.10 A schematic diagram of the three-dimensional structure of a flexible circuit board of a detection component provided in an embodiment.

[0024] Fig.11 for Fig.10 The diagram shows a top view of the flexible printed circuit board of the detection assembly when the bending portion is flattened.

[0025] Fig.12 A principle block diagram of a control module and related components in a detection component provided in an embodiment.

[0026] Fig.13 Schematic diagram of the structure of a wearable device in one embodiment.

[0027] Fig.14 for Fig.13 A schematic diagram of the exploded structure of a wearable device is shown.

[0028] Fig.15 This is a schematic diagram of the three-dimensional structure of a wearable device according to another embodiment, in which the straps are connected to both ends of the middle frame.

[0029] Description of Figure Numbers

[0030] 10. Detection component; 11. Mounting piece; 11a. Inner surface; 11b. Outer surface; 11c. Mounting hole; 11d. Step portion; 111. First mounting slot; 112. Second mounting slot; 12. Cover plate; Q. Temperature detection area; 13. Printed circuit board; 13a. Air-avoiding hole; 14. Flexible circuit board; 14a. Branch; 141. SMD portion; 141a. Sensor; 141b. Adhesive backing; 142. Main body; 143. Bending portion; 15. Extrusion piece; 15a. Receiving slot; 151. A side portion; 152, a second side portion; 153, a first connecting portion; 16, an enclosure; 16a, an enclosed space; 161, a substrate; 161a, a first ear portion; 161b, a second ear portion; 161c, a second connecting portion; 162, a side panel; 17, a reinforcing sheet; C1, a first air avoidance groove; C2, a second air avoidance groove; 101, a control module; 102, a temperature sensor; 103, a PPG sensor; 104, an alarm module; 100, a wearable device; 20, a display screen; 30, a middle frame; 40, a strap. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0032] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0034] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0035] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0036] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time. Similar expressions are only for illustrative purposes and do not represent the only implementation method.

[0037] Combination Figures 1 to 3 As shown, a detection assembly 10 provided in one embodiment of the present application includes a mounting member 11 , a cover plate 12 , a printed circuit board 13 , a flexible circuit board 14 and an extrusion member 15 .

[0038] The mounting member 11 serves as a mounting carrier for other components of the detection assembly 10 and may be made of metal, plastic or glass, which is not limited here.

[0039] The cover plate 12 and the printed circuit board 13 are both connected to the mounting member 11, and the printed circuit board 13 and the cover plate 12 are arranged at a distance from each other to form a mounting interlayer therebetween. The flexible circuit board 14 is electrically connected to the printed circuit board 13, and the flexible circuit board 14 has a patch portion 141, the patch portion 141 is provided with a sensor 141a, and is located in the mounting interlayer, and the patch portion 141 is connected to the side of the cover plate 12 facing the printed circuit board 13. The extrusion member 15 is sandwiched between the patch portion 141 and the printed circuit board 13. The extrusion member 15 squeezes the patch portion 141 under the support of the printed circuit board 13, so that the patch portion 141 and the cover plate 12 are stably connected, the connection reliability of the patch portion 141 and the cover plate 12 is enhanced, and the probability of the patch portion 141 falling off from the cover plate 12 and affecting the detection accuracy of the sensor 141a is reduced.

[0040] Take the case where the sensor 141a includes the temperature sensor 102. In some embodiments, the sensor 141a includes the temperature sensor 102, and the cover plate 12 can transfer heat to the temperature sensor 102 via the patch portion 141. In this way, the position of the cover plate 12 corresponding to the temperature sensor 102 forms a temperature detection zone Q. When the temperature detection zone Q is attached to the user's part to be detected, the user's body temperature is transferred to the temperature sensor 102 on the patch portion 141 via the cover plate 12, so that the user's body temperature can be measured using the temperature sensor 102.

[0041] In the detection component 10 according to the embodiment of the present application, the extrusion member 15 squeezes the patch portion 141 under the support of the printed circuit board 13, so that the patch portion 141 and the cover plate 12 maintain a good fit, so as to facilitate the stability of the cover plate 12 transferring heat to the temperature sensor 102 through the patch portion 141, thereby improving the accuracy of the temperature sensor 102 when measuring the temperature. For example, the side of the cover plate 12 facing away from the temperature sensor 102 is in close contact with the human skin, so that when the temperature sensor 102 measures the temperature, the heat of the human body is transferred to the temperature sensor 102 on the patch portion 141 through the cover plate 12. Since in the detection component 10 according to the embodiment of the present application, the extrusion member 15 is used to squeeze the patch portion 141 to maintain the connection stability between the patch portion 141 and the cover plate 12, so that the temperature of the human body measured by the temperature sensor 102 is also relatively accurate. The extrusion member 15 includes but is not limited to a spring, an elastic gasket or an elastic foam.

[0042] It should be noted that, although the extrusion member 15 can be used in the detection assembly 10 of the above embodiment to press the fitting portion and the cover plate 12 together, this does not affect the provision of other connection structures between the patch portion 141 and the cover plate 12 to enhance the connection stability between the two. In this way, the extrusion member 15 can still enhance the connection stability between the patch portion 141 and the cover plate 12, and reduce the probability of failure of the connection structure between the patch portion 141 and the cover plate 12. For example, in some embodiments, a backing adhesive member 141b is provided on the side of the patch portion 141 facing away from the sensor 141a, and the patch portion 141 is bonded to the cover plate 12 through the backing adhesive member 141b. Since the patch portion 141 and the cover plate 12 are connected through the backing adhesive member 141b, the extrusion member 15 on the patch portion 141 can make the patch portion 141 and the cover plate 12 tightly clamp the backing adhesive member 141b between the two to enhance the bonding force between each other. In this embodiment, based on the extrusion of the patch portion 141 by the extrusion member 15, the probability of debonding between the patch portion 141 and the adhesive backing member 141b, and between the adhesive backing member 141b and the cover plate 12 is reduced, thereby improving the reliability and stability of the detection component 10. It should be noted that in this embodiment, the provision of the adhesive backing member 141b can also reduce the difficulty of installing the extrusion member 15. Specifically, before assembling the extrusion member 15, the adhesive backing member 141b can be used to connect the patch portion 141 to the cover plate 12, so that the patch portion 141 is not easily displaced relative to the cover plate 12 under the connection of the adhesive backing member 141b, so that one side of the extrusion member 15 can be pressed against the patch portion 141. After the printed circuit board 13 is connected to the mounting member 11, the pressure of the printed circuit board 13 on the extrusion member 15 will cause the extrusion member 15 to squeeze the patch portion 141, thereby improving the connection stability between the patch portion 141 and the cover plate 12 and reducing the probability of detection failure caused by looseness of the patch portion 141 relative to the cover plate 12.

[0043] Combination Figure 3 and Figure 4 As shown, in some embodiments, the sensor 141a is disposed on the side of the patch portion 141 facing away from the cover plate 12. Figure 5 and Figure 6 As shown, the extrusion piece 15 has a receiving groove 15a, and at least a part of the sensor 141a is located in the receiving groove 15a, so that when the extrusion piece 15 extrudes the patch part 141, the patch part 141 can be squeezed around the sensor 141a. In this way, the position of the patch part 141 corresponding to the sensor 141a is better fitted with the cover plate 12 to improve the stability of the position of the sensor 141a, and reduce the probability of the sensor 141a becoming loose and causing the sensor 141a to be damaged.

[0044] Continue reading Figure 5 and Figure 6 As shown, the patch portion 141 is connected to the enclosure 16, and at least part of the structure of the enclosure 16 is located in the receiving groove 15a and forms an enclosure space 16a. The sensor 141a is located in the enclosure space 16a, so that the enclosure 16 can protect the sensor 141a and prevent the sensor 141a from being damaged by collision. It can be understood that since the enclosure space 16a formed by the enclosure 16 is located in the receiving groove 15a, when the extrusion member 15 is abutted against the patch portion 141, the enclosure 16 can prevent the extrusion member 15 from touching the sensor 141a, thereby reducing the probability of failure of the sensor 141a.

[0045] Furthermore, combined with Figure 6 and Figure 7 As shown, the enclosure 16 includes a base plate 161 and a plurality of side plates 162. The base plate 161 is sandwiched between the extrusion member 15 and the patch portion 141. The base plate 161 is provided with a groove. The plurality of side plates 162 are protrudingly provided on the base plate 161 and arranged around the groove to form an enclosure space 16a. In this embodiment, the number of the side plates 162 can be 2 or 3, so as to protect different sides of the sensor 141a.

[0046] It should be noted that the enclosure 16 can be an integrated structure. For example, the enclosure 16 is formed by cutting and bending a metal sheet. Specifically, a plurality of side panels 162 are bent and formed on the base plate 161. In some embodiments, the plurality of side panels 162 can also be formed on the base plate 161 by welding. Of course, the plurality of side panels 162 and the base plate 161 can also be connected by glue. The connection method between the side panels 162 and the base plate 161 is not limited here.

[0047] Continue to combine Figure 6 and Figure 7As shown, the base plate 161 includes a first ear portion 161a, a second ear portion 161b and a second connecting portion 161c. The first ear portion 161a and the second ear portion 161b are respectively connected to the two ends of the second connecting portion 161c and are enclosed together to form a groove. The extrusion member 15 is pressed against the first ear portion 161a and / or the second ear portion 161b, so that the first ear portion 161a and / or the second ear portion 161b are linked with the second connecting portion 161c to press the patch portion 141. In this way, the patch portion 141 can be pressed by the second connecting portion 161c, so that the patch portion 141 is more stably connected to the cover plate 12.

[0048] A reinforcing sheet 17 may be provided on the side of the patch portion 141 facing away from the enclosure 16 , so that the reinforcing sheet 17 can play a reinforcing effect at this position, thereby stably supporting the sensor 141 a .

[0049] The extrusion member 15 includes a first side portion 151, a second side portion 152 and a first connecting portion 153. The first side portion 151 and the second side portion 152 are respectively connected to the two ends of the connecting portion and together enclose a receiving groove 15a. In this embodiment, the first side portion 151 presses against the first ear portion 161a, and the second side portion 152 presses against the second ear portion 161b. Alternatively, the first side portion 151 presses against the second ear portion 161b, and the second side portion 152 presses against the first ear portion 161a. In this way, the first ear portion 161a and the second ear portion 161b can be used to evenly apply pressure to the patch portion 141 under the pressure of the extrusion member 15 to improve the connection stability between the patch portion 141 and the cover plate 12.

[0050] See again Figure 3 and Figure 4 As shown, in some embodiments, the mounting member 11 has an inner surface 11a and an outer surface 11b opposite to each other, and a first mounting groove 111 is provided on the side where the inner surface 11a is located, and the printed circuit board 13 is installed in the first mounting groove 111. The flexible circuit board 14 includes a main body 142 and a bending portion 143, and the main body 142 is connected to the patch portion 141 through the bending portion 143. The main body 142 is arranged on the side of the printed circuit board 13 that faces away from the cover plate 12. In this way, the main body 142 of the flexible circuit board 14 does not need to occupy the space of the mounting interlayer, so that the mounting interlayer can be kept small enough to reduce the distance between the printed circuit board 13 and the cover plate 12 when the mounting requirements of the patch portion 141, the sensor 141a and the extrusion member 15 are met, and the overall thickness is relatively thin.

[0051] It should be noted that the extrusion member 15 can not only extrude the patch portion 141 so that the patch portion 141 maintains a stable connection with the cover plate 12, thereby improving the reliability of the sensor 141a on the patch portion 141. In some embodiments, the extrusion member 15 can also be used to fix other parts of the flexible circuit board 14 to prevent the flexible circuit board 14 from loosening and causing wear between adjacent structural parts. Exemplarily, the extrusion member 15 abuts against the bent portion 143, so that the bent portion 143 abuts against the side wall of the first mounting groove 111, so that the bent portion 143 is not easy to loosen and wear against the side wall of the first mounting groove 111 to affect the conductive performance.

[0052] In some embodiments, a clearance gap may be provided on the structure to prevent the bending portion 143 from being loosened and abraded with adjacent structural members. Figure 6 and Figure 8 As shown, a first avoidance groove C1 is formed between the extrusion piece 15 and the side wall of the first mounting groove 111. A second avoidance groove C2 is formed between the printed circuit board 13 and the side wall of the first mounting groove 111. The bending portion 143 is arranged through the first avoidance groove C1 and the second avoidance groove C2, so that the bending portion 143 can move flexibly in the space provided by the first avoidance groove C1 and the second avoidance groove C2 without being easily worn by other adjacent structural parts when the main body portion 142 and the patch portion 141 are installed on different sides of the printed circuit board 13, so as to ensure the conductive performance. It should be noted that the width of the first avoidance groove C1 and the second avoidance groove C2 is greater than 2 times or more of the thickness of the bending portion 143, so as to provide sufficient space for the bending portion 143 to reduce the contact wear between the bending portion 143 and other structural parts.

[0053] Recombination Figure 1 and Figure 3 As shown, the mounting member 11 has a mounting hole 11c, and a step portion 11d is formed on the side wall of the mounting hole 11c. The step portion 11d is located between the inner surface 11a and the outer surface 11b, so that a second mounting groove 112 is formed on the side where the outer surface 11b of the mounting member 11 is located, and the cover plate 12 is installed in the second mounting groove 112. The printed circuit board 13 and the cover plate 12 are respectively abutted against the opposite sides of the step portion 11d. The step portion 11d is used to limit the printed circuit board 13 and the cover plate 12, which not only improves the installation efficiency of the printed circuit board 13 and the cover plate 12 to the mounting member 11, but also after the printed circuit board 13 and the cover plate 12 are respectively abutted against the opposite sides of the step portion 11d, the printed circuit board 13 and the cover plate 12 cannot be close to each other, thereby maintaining a stable interval between the printed circuit board 13 and the cover plate 12. The installation interlayer formed between the printed circuit board 13 and the cover plate 12 provides a stable installation space, and the extrusion member 15 can stably extrude the patch portion 141 in the installation space provided by the installation interlayer.

[0054] It should be noted that the cover plate 12 can be independent of the mounting member 11 and connected to the mounting member 11 by means of snaps or glue. In some embodiments, the cover plate 12 and the mounting member 11 are integrally formed, which can eliminate the assembly environment of the cover plate 12 and the mounting member 11 and improve assembly efficiency.

[0055] Combination Figure 3 and Figure 4 As shown, in some embodiments, a clearance hole 13a is provided at a position of the printed circuit board 13 corresponding to the patch portion 141, and at least a part of the structure of the sensor 141a is accommodated in the clearance hole 13a, so that the printed circuit board 13 can be as close to the cover plate 12 as possible to enhance the extrusion of the patch portion 141 by the extrusion member 15. At the same time, by accommodating the sensor 141a through the clearance hole 13a, the stacking space can be fully utilized, and the size in the thickness direction can be reduced, so as to facilitate the overall lightness and thinness.

[0056] The detection assembly 10 further includes a PPG sensor 103, which is disposed in the mounting interlayer. Fig. 9 As shown, the PPG sensor 103 includes a PD (Photodiode) and an LED (Light Emitting Diode). Specifically, when the PPG sensor 103 is used to detect the user's heart rate, the side of the cover 12 facing away from the PPG sensor 103 is in close contact with the user's skin. When the PPG sensor 103 starts the detection function, the light emitted by the LED is reflected by the user's blood and tissues, and then the PD receives the light reflected from the user's blood and tissues, and records the physiological parameters by detecting the difference in the intensity of the reflected light after absorption by the blood and tissues. Due to the periodic beating of the heart, the arteries throughout the body produce periodic contraction and relaxation, which is transmitted to the systemic arterioles through the aorta, and then to the skin artery capillaries (capillaries close to the arterioles). In this way, the light signal received by the PD will change in strength with the beating of the heart, thereby realizing heart rate detection.

[0057] It should be noted that, in this embodiment, the cover plate 12 may be made of glass or plastic, and the light transmittance of the cover plate 12 is higher than 90%. Thus, the PPG sensor 103 can detect the user's heart rate through the cover plate 12.

[0058] Further, in an embodiment where the sensor 141a includes the temperature sensor 102, the PPG sensor 103 and the temperature sensor 102 may share the same flexible circuit board 14, that is, the PPG sensor 103 and the temperature sensor 102 are both disposed on one flexible circuit board 14. In this way, the PPG sensor 103 and the temperature sensor 102 may be electrically connected to the printed circuit board 13 only by electrically connecting the flexible circuit board 14 to the printed circuit board 13. Compared with electrically connecting the PPG sensor 103 and the temperature sensor 102 to the printed circuit board 13 through different FPCs (Flexible Printed Circuit, flexible circuit board 14), in this embodiment, the PPG sensor 103 and the temperature sensor 102 are electrically connected to the printed circuit board 13 using the same flexible circuit board 14, which can reduce the number of flexible circuit boards 14 used, thereby reducing assembly materials and reducing manufacturing costs. Furthermore, since the PPG sensor 103 and the temperature sensor 102 only need to be electrically connected to the printed circuit board 13 through one flexible circuit board 14, compared with adopting two different FPCs and taking two connection processes to achieve electrical connection with the printed circuit board 13, the structural setting of this embodiment also simplifies the connection process, ensures connection reliability, and reduces the risk of later failure.

[0059] For example, in combination Fig.10 and Fig.11 As shown, the flexible circuit board 14 includes at least two branches 14a, and the temperature sensor 102 is arranged on one of the branches 14a. The PPG sensor 103 is electrically connected to another branch 14a of the at least two branches 14a. It should be noted that the flexible circuit board 14 and the printed circuit board 13 can be connected by a connector (such as a BTB connector, i.e., a Board to board connector), or can be connected by hot pressing welding. The connection structure or connection method between the flexible circuit board 14 and the printed circuit board 13 is not limited here. As long as the flexible circuit board 14 can meet the requirements of electrically connecting the components such as the PPG sensor 103 and the temperature sensor 102 thereon to the printed circuit board 13, the corresponding detection function requirements of the detection component 10 can be met.

[0060] Combination Fig.12 As shown, in some embodiments, the printed circuit board 13 is provided with a control module 101 , and the PPG sensor 103 and the temperature sensor 102 are both electrically connected to the control module 101 .

[0061] In some embodiments, when the temperature sensor 102 detects that the temperature is less than the first preset temperature, the PPG sensor 103 maintains the current heart rate detection dormant state. The first preset temperature can be set according to the lower limit of the normal body temperature of the user's part to be measured. Taking the normal body temperature of the human wrist as 36°C to 37°C as an example, the first preset temperature can be set to 36°C. The temperature detection of the temperature sensor 102 is used to determine whether the cover plate 12 is in close contact with the skin of the part to be measured. When the temperature sensor 102 detects that the temperature is less than the first preset temperature, it indicates that the cover plate 12 is not in close contact with the skin of the part to be measured, and it is not suitable for heart rate detection at this time. Therefore, when the temperature sensor 102 detects that the temperature is less than the first preset temperature, the PPG sensor 103 maintains the current heart rate detection dormant state, which can avoid the problem that the PPG sensor 103 performs heart rate detection when the cover plate 12 is not in close contact with the skin of the part to be measured, resulting in failure of heart rate detection or inaccurate results.

[0062] It should be noted that, in the above-mentioned embodiment, maintaining the current heart rate detection dormant state means that the PPG sensor 103 remains in a state of not starting the heart rate detection. At this time, regardless of whether the controller receives a control signal to control the PPG sensor 103 to start detection, the PPG sensor 103 will not respond and remain in the current heart rate detection dormant state. This avoids inaccurate detection results obtained by the PPG sensor 103 starting the heart rate detection when the cover plate 12 does not keep a good fit with the user's skin.

[0063] In some embodiments, when the temperature sensor 102 detects that the temperature is greater than the second preset temperature, the control module 101 controls the PPG sensor 103 to start heart rate detection. The second preset temperature can be set according to the upper limit of the normal body temperature of the user's part to be measured. Taking the normal body temperature of the human wrist as 36°C to 37°C as an example, the second preset temperature can be set to 37°C. In this way, the temperature sensor 102 detects that the temperature is greater than the second preset temperature, indicating that the human body temperature is too high and the user may be in a fever state. At this time, the control module 101 controls the PPG sensor 103 to start heart rate detection, so as to automatically start heart rate detection when the temperature is higher than the normal maximum temperature of the human body, and promptly feedback the heart rate data to the user to prevent complications related to heart rate health due to high fever without the user's knowledge. Furthermore, the control module 101 is electrically connected to the alarm module 104. When the temperature sensor 102 detects that the temperature is greater than the second preset temperature, the control module 101 controls the PPG sensor 103 to start the heart rate detection, and when the PPG sensor 103 detects that the heart rate data is abnormal, the control module 101 triggers the alarm module 104 to issue an alarm, thereby reminding the user that the heart rate is abnormal and the abnormality may be caused by excessive temperature. Therefore, after the user is informed of the alarm, he can take cooling measures or seek emergency medical treatment in time.

[0064] The alarm module 104 includes, but is not limited to, an audio-visual alarm module 104 or a vibration alarm module 104 .

[0065] The above-mentioned detection component 10 can be applied in a wearable device 100, so that the wearable device 100 can be conveniently worn on the wrist or ankle of the user.

[0066] Specifically, combined Fig.13 As shown, the present application provides a wearable device 100 on the other hand, including the above-mentioned detection component 10. The wearable device 100 can be a smart watch or a smart bracelet.

[0067] Based on the above detection component 10, the printed circuit board 13 is used to extrude the patch part 141 through the extrusion piece 15 to enhance the connection stability between the patch part 141 and the cover plate 12, so as to improve the reliability of the detection component 10. Therefore, the wearable device 100 including the above detection component 10 has good reliability during use, and the sensor 141a detects accurate data, thereby improving the detection performance of the wearable device 100. Fig.14 As shown, when the detection component 10 is applied to a wearable device 100 such as a watch or a bracelet, the mounting member 11 may be a back cover of the wearable device 100 .

[0068] Combination Fig.13 and Fig.14 As shown, the wearable device 100 also includes a display screen 20, a middle frame 30 and a battery (not shown in the figure), the display screen 20 is connected to one side of the middle frame 30, and the mounting member 11 of the detection component 10 is connected to the other side of the middle frame 30. The display screen 20, the middle frame 30 and the mounting member 11 together enclose a receiving space, the battery is arranged in the receiving space, and the display screen 20 and the battery are both electrically connected to the printed circuit board 13 of the detection component 10. In this embodiment, the mounting member 11 is the back shell of the wearable device 100, and then, when assembling the wearable device 100, it is only necessary to connect the back shell to the middle frame 30 to realize the assembly of components such as the printed circuit board 13, the flexible circuit board 14 and the extrusion member 15 of the detection component 10 to the middle frame 30.

[0069] Combination Fig.15 As shown, in some embodiments, straps 40 can be provided at both ends of the middle frame 30 so that the wearable device 100 can be worn on the user's limbs, such as limbs, etc. through the straps 40. It is understandable that the straps 40 can fix the wearable device 100 to any position of the user that needs to be fixed, not just the limbs. The middle frame 30 can be made of non-metallic materials such as plastic, rubber, silicone, wood or ceramic, and the middle frame 30 can also be made of metal materials such as stainless steel, aluminum alloy or magnesium alloy. The middle frame 30 can be a square structure, or a circular structure or other polygonal structure, which is not specifically limited here.

[0070] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0071] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A detection component, characterized in that: include: Mounting parts; A cover plate connected to the mounting member; A printed circuit board is connected to the mounting member, wherein the printed circuit board and the cover plate are spaced apart from each other to form a mounting interlayer therebetween; A flexible circuit board is electrically connected to the printed circuit board and has a patch portion, the patch portion is provided with a sensor and is located in the mounting interlayer, the patch portion is connected to a side of the cover plate facing the printed circuit board; and The extrusion piece is sandwiched between the patch part and the printed circuit board, and the extrusion piece presses the patch part under the support of the printed circuit board.

2. The detection component according to claim 1, characterized in that: The sensor is arranged on a side of the patch portion facing away from the cover plate, the extrusion piece has a receiving groove, and at least a part of the sensor is located in the receiving groove.

3. The detection component according to claim 2, characterized in that: The patch portion is connected to an enclosure, at least a portion of the enclosure is located in the receiving groove to form an enclosure space, and the sensor is located in the enclosure space.

4. The detection component according to claim 3, characterized in that: The enclosure comprises a base plate and a plurality of side plates, wherein the base plate is sandwiched between the extrusion member and the patch portion, the base plate is provided with a groove, and the plurality of side plates are protruded from the base plate and arranged around the groove to form the enclosure space.

5. The detection component according to claim 4, characterized in that: The substrate includes a first ear portion, a second ear portion, and a second connecting portion. The first ear portion and the second ear portion are respectively connected to two ends of the second connecting portion and together enclose the groove. The extrusion member is supported by the first ear portion and / or the second ear portion, so that the first ear portion and / or the second ear portion are linked to the second connecting portion to squeeze the patch portion.

6. The detection component according to any one of claims 2 to 5, characterized in that: The extrusion member includes a first side portion, a second side portion and a first connecting portion. The first side portion and the second side portion are respectively connected to two ends of the connecting portion and together enclose the receiving groove.

7. The detection component according to claim 1, characterized in that: The mounting member has an inner surface and an outer surface facing each other, a first mounting groove is provided on one side of the inner surface, and the printed circuit board is mounted in the first mounting groove; the flexible circuit board includes a main body and a bending portion, the main body is connected to the patch portion through the bending portion, and the main body is arranged on the side of the printed circuit board facing away from the cover plate.

8. The detection assembly according to claim 7, characterized in that: The extrusion member abuts against the bent portion, so that the bent portion abuts against the side wall of the first installation groove.

9. The detection component according to claim 7, characterized in that: A first avoidance groove is formed between the extrusion piece and the side wall of the first installation groove, a second avoidance groove is formed between the printed circuit board and the side wall of the first installation groove, and the bending portion is penetrated through the first avoidance groove and the second avoidance groove.

10. The detection assembly according to any one of claims 7 to 9, characterized in that: The mounting member has a mounting hole, and a step portion is formed on a side wall of the mounting hole. The step portion is located between the inner surface and the outer surface, so that a second mounting groove is formed on the side where the outer surface of the mounting member is located. The cover plate is installed in the second mounting groove, and the printed circuit board and the cover plate are respectively against opposite sides of the step portion.

11. The detection component according to claim 1, characterized in that: The cover plate and the mounting member are integrally formed.

12. The detection component according to claim 1, characterized in that: The printed circuit board is provided with a clearance hole at a position corresponding to the patch portion, and at least a part of the structure of the sensor is accommodated in the clearance hole.

13. The detection component according to claim 1, characterized in that: The sensor includes a temperature sensor, and the cover plate can transfer heat to the temperature sensor via the patch portion.

14. The detection component according to claim 13, characterized in that: A back adhesive is provided on the side of the patch portion facing away from the sensor, and the patch portion is bonded to the cover plate through the back adhesive.

15. The detection assembly according to claim 13 or 14, characterized in that: The cover plate is made of glass or plastic, and the light transmittance of the cover plate is higher than 90%.

16. The detection component according to claim 15, characterized in that: The detection component also includes a PPG sensor, which is arranged in the mounting interlayer. The flexible circuit board includes at least two branches, the temperature sensor is arranged in one of the branches, and the PPG sensor is electrically connected to the other branch of the at least two branches.

17. The detection assembly according to claim 16, characterized in that: The printed circuit board is provided with a control module, and the PPG sensor and the temperature sensor are both electrically connected to the control module; When the temperature sensor detects that the temperature is lower than a first preset temperature, the PPG sensor maintains a current heart rate detection sleep state; and / or when the temperature sensor detects that the temperature is higher than a second preset temperature, the control module controls the PPG sensor to start heart rate detection.

18. A wearable device, characterized in that: Comprising a detection component as described in any one of claims 1-17.

19. The wearable device according to claim 18, characterized in that: It also includes a display screen, a middle frame and a battery, wherein the display screen is connected to one side of the middle frame, the mounting member of the detection component is connected to the other side of the middle frame, and the display screen, the middle frame and the mounting member jointly enclose a receiving space, the battery is arranged in the receiving space, and the display screen and the battery are both electrically connected to the printed circuit board of the detection component.

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