CN211609744U - Sensor assembly and wearable device - Google Patents
Sensor assembly and wearable device Download PDFInfo
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- CN211609744U CN211609744U CN201921436163.9U CN201921436163U CN211609744U CN 211609744 U CN211609744 U CN 211609744U CN 201921436163 U CN201921436163 U CN 201921436163U CN 211609744 U CN211609744 U CN 211609744U
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Abstract
The utility model discloses a sensor module and wearable equipment, this sensor module includes: a double-sided circuit board; the controller is arranged on one surface of the double-sided circuit board; inertial sensor and heart electrograph sensor, inertial sensor with heart electrograph sensor all with double-sided circuit board electric connection, heart electrograph sensor have with double-sided circuit board electric connection's sensing chip, inertial sensor with at least one of sensing chip locates double-sided circuit board deviates from the surface of controller. The utility model discloses technical scheme aims at improving the measuring accuracy of intelligent wearing equipment to user's motion state, and the area is littleer.
Description
Technical Field
The utility model relates to a wearable equipment technical field, in particular to sensor assembly and applied this sensor assembly's wearable equipment.
Background
At present, with the development of science and technology, products mainly used for health application are gradually and widely applied to the society. The technological advances in integrated circuit technology and microchip manufacturing have made many more advances, such as smart wearable devices. However, the smart wearable devices in the related art are not accurate in measuring the motion state of the user, and users tend to have smaller product areas. Therefore, an intelligent wearable device is urgently needed to improve the measurement accuracy of the motion state of the user and has a smaller area.
The above description is only for the purpose of aiding understanding of the technical solutions of the present application and does not represent an admission of prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sensor assembly aims at improving the measuring accuracy to user's motion state, and the area is littleer.
To achieve the above object, the present invention provides a sensor assembly, including:
a double-sided circuit board;
the controller is arranged on one surface of the double-sided circuit board;
inertial sensor and heart electrograph sensor, inertial sensor with heart electrograph sensor all with double-sided circuit board electric connection, heart electrograph sensor have with double-sided circuit board electric connection's sensing chip, inertial sensor with at least one of sensing chip locates double-sided circuit board deviates from the surface of controller.
Optionally, the electrocardiogram sensor further includes a top electrode and a bottom electrode, the top electrode and the bottom electrode are electrically connected to the sensing chip through the double-sided circuit board, and the top electrode and the bottom electrode are disposed on different sides of the double-sided circuit board.
Optionally, the top electrode includes a first connection segment and a first extension segment, one end of the first connection segment is connected to the double-sided circuit board, and the first extension segment is disposed at one end of the first connection segment away from the double-sided circuit board.
Optionally, the bottom electrode includes a main sensing electrode and an auxiliary sensing electrode, the main sensing electrode is connected to the double-sided circuit board, and the auxiliary sensing electrode is electrically connected to the main sensing electrode.
Optionally, the main sensing electrode includes a second connection section and a second extension section, one end of the second connection section is connected to the double-sided circuit board, the auxiliary sensing electrode is electrically connected to the second connection section, and the second extension section is disposed at one end of the second connection section, which deviates from the double-sided circuit board.
Optionally, the number of the auxiliary sensing electrodes is multiple, and the multiple auxiliary sensing electrodes are all electrically connected with the main sensing electrode;
and/or, the auxiliary sensing electrode comprises a third connecting section and a third extension section, one end of the third connecting section is connected with the main sensing electrode, and the third extension section is arranged at one end of the third connecting section, which deviates from the main sensing electrode.
Optionally, the sensor module is equipped with first protective layer, first protective layer is located the controller deviates from one side of double-sided circuit board, and cover the surface of double-sided circuit board, first protective layer still is formed with the holding hole, first linkage segment is located the holding hole, first extension section laminate in first protective layer deviates from the surface of double-sided circuit board.
Optionally, the sensor assembly is provided with a second protective layer, the second protective layer is arranged on one side, away from the double-sided circuit board, of the sensing chip and covers the surface of the double-sided circuit board, an accommodating channel is further formed in the second protective layer, the second connecting section and the third connecting section are arranged in the accommodating channel, and the second extending section and the third extending section are attached to the surface, away from the surface of the double-sided circuit board, of the second protective layer.
Optionally, the inertial sensor and the sensing chip are both arranged on the surface of the double-sided circuit board, which faces away from the controller.
Optionally, the double-sided circuit board includes a circuit board body, the circuit board body includes a first mounting surface and a second mounting surface which are arranged oppositely, the first mounting surface is recessed to form a first sinking platform, the second mounting surface is recessed to form a second sinking platform, the first sinking platform is used for mounting the controller, and the second sinking platform is used for mounting the sensing chip and/or the inertial sensor.
The utility model also provides a wearable device, which comprises a sensor component, wherein the sensor component comprises a double-sided circuit board;
the controller is arranged on one surface of the double-sided circuit board;
inertial sensor and heart electrograph sensor, inertial sensor with heart electrograph sensor all with double-sided circuit board electric connection, heart electrograph sensor have with double-sided circuit board electric connection's sensing chip, inertial sensor with at least one of sensing chip locates double-sided circuit board deviates from the surface of controller.
The utility model discloses technical scheme sets up the controller through a surface at sensor module's double-sided circuit board to deviating from at double-sided circuit board the surface of controller sets up inertial sensor and/or ECG sensor's sensing chip, owing to will be used for signal processing's electronic components and parts branch face setting with the electronic components who is used for gathering signal through double-sided circuit board, has reduced sensor module's area occupied. Furthermore, an Inertial sensor (Inertial measurement unit, abbreviated as IMU) is an Inertial Measurement Unit (IMU), which is a device for measuring three-axis attitude angles (or angular rates) and acceleration of an object, and generally, an IMU is equipped with a three-axis gyroscope and three-direction accelerometers for measuring angular velocities and accelerations of an object in a three-dimensional space, so that the Inertial sensor can be better used for detecting the motion state of a body. An electrocardiogram sensor, namely an ECG sensor or an EKG sensor, or an Electrocardiography unit, which measures the heart activity by Electrocardiography, which is a way of recording the electrophysiological activity of the heart in units of time through the thoracic cavity, because the heart rate changes very obviously when a human body moves, the user's movement state can be accurately measured by acquiring the change of the heart rate of the human body through the electrocardiogram sensor. Therefore, the utility model discloses technical scheme can improve the measuring accuracy of intelligent wearing equipment to user's motion state, and the area is littleer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a sensor assembly according to the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the sensor assembly of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
43 | |
| 10 | Double- |
431 | |
| 11 | |
4311 | Second connecting section |
| 111 | |
4312 | |
| 112 | |
432 | |
| 20 | |
4321 | Third connecting |
| 40 | |
4322 | |
| 41 | |
50 | |
| 42 | |
81 | First |
| 421 | First connecting |
82 | Second |
| 422 | First extension segment |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a sensor assembly 100.
Referring to fig. 1, the present invention provides a sensor assembly 100 including:
a double-sided circuit board 10;
the controller 20 is arranged on one surface of the double-sided circuit board 10;
the electrocardiogram sensor 40 is provided with a sensing chip 41 electrically connected with the double-sided circuit board 10, and at least one of the inertial sensor 50 and the sensing chip 41 is arranged on the surface of the double-sided circuit board 10, which is far away from the controller 20.
The utility model discloses technical scheme sets up controller 20 through a surface at sensor module 100's double-sided circuit board 10 to deviating from at double-sided circuit board 10 controller 20's surface sets up inertial sensor 50 and/or ECG sensor 40's sensing chip 41, owing to will be used for the electronic components of signal processing and the electronic components that is used for gathering the signal through double-sided circuit board 10 and divide the face to set up, has reduced sensor module 100's area occupied. Furthermore, the Inertial sensor 50 (Inertial measurement unit, IMU for short) is an Inertial measurement unit (Inertial measurement unit, IMU) which is a device for measuring three-axis attitude angles (or angular rates) and acceleration of an object, and generally, an IMU is equipped with a three-axis gyroscope and three-direction accelerometers for measuring angular velocities and accelerations of an object in a three-dimensional space, so that the Inertial measurement unit can be better used for detecting the motion state of the body. An electrocardiogram sensor 40 (an electrocardiogram sensor 40, i.e. an Electrocardiography unit (ECG or EKG)), which measures the heart activity by Electrocardiography, is a method of recording the electrophysiological heart activity via the thoracic cavity in units of time, and because the heart rate changes very obviously when a human body moves, the motion state of a user can be accurately measured by acquiring the change of the heart rate of the human body through the electrocardiogram sensor 40. Therefore, the utility model discloses technical scheme can improve the measuring accuracy degree of intelligence wearing equipment to user motion state, and light volume.
The double-sided circuit board 10 may be a printed circuit board, and the material thereof may be FR4 epoxy resin board; or the double-sided circuit board 10 may be a flexible circuit board made of any one of polydimethylsilane, polyimide, polyethylene, polyvinylidene fluoride, and natural rubber. Or the double-sided circuit board 10 is a combination of hard circuit boards and flexible circuit boards, and the number of circuit layers can be single-layer, double-layer or multi-layer.
The Controller 20 may be an MCU (Micro Controller Unit) which is suitable for processing, diagnosing and calculating various data of different information sources, and may improve the response of the sensor assembly 100. It is understood that the ECG sensor is in contact with the skin of the user to measure the ECG waveform, the IMU can be used to measure the motion information of the user, such as speed, orientation and acceleration, and the controller 20 can process the ECG waveform and the motion information of the user to obtain the accurate motion state of the user.
In an embodiment of the present application, the sensor assembly 100 further includes a temperature sensor electrically connected to the double-sided circuit board 10, and the temperature sensor further includes a temperature detection head, which is close to the skin of the user when the sensor assembly 100 is used, so as to detect the body temperature of the user. Therefore, the body temperature of the user is detected, the motion state of the user is judged in an auxiliary mode through the body temperature of the user, and the measurement accuracy of the motion state of the user is improved.
In an embodiment of the present application, the sensor assembly 100 further comprises a memory that can be configured to hold the generated sensor data (e.g., IMU information, temperature sensor information, or other physiological information such as ECG, EMG) or information indicative of acceleration and/or temperature and/or other physiological information derived from the sensor data. Further, according to some embodiments, the memory can be configured to store computer program code for controlling the controller 20. In some implementations, the memory can be volatile memory and/or non-volatile memory. For example, the memory may include flash memory, static memory, solid state memory, removable memory cards, or any combination thereof. In some examples, the memory can be removable from the sensor assembly 100. In some embodiments, the memory may be a local module to the sensor assembly 100 for the sensor assembly 100, while in other examples, the memory may be a remote module to the sensor assembly 100. For example, the memory may be an internal memory of a smart phone that communicates with the sensor assembly 100, e.g., via a radio frequency communication protocol including, e.g., WiFi, Zigbee, bluetooth, medical telemetry, Near Field Communication (NFC), and/or the like, and/or optically, e.g., with infrared or non-infrared LEDs, wired or wireless.
In an embodiment of the present application, the sensor assembly 100 further includes a wireless transmission device electrically connected to the double-sided circuit board 10 and used for the communication connection between the sensor assembly 100 and the mobile terminal. The sensor assembly 100 is thus able to optically communicate (e.g., wirelessly) with a user device, such as a smartphone, via an application (e.g., program) running on the smartphone. The wireless transmission device is arranged to enable the sensor assembly 100 to transmit the measurement information of the motion state of the user in real time, so that the user can know the motion state information in real time.
In an embodiment of the present application, the sensor assembly 100 further comprises a power source, which may be any type of rechargeable (or disposable) power source for an electronic device, such as, but not limited to, one or more electrochemical cells or batteries, one or more photovoltaic cells, or a combination thereof. In the case of photovoltaic cells, these cells are capable of charging one or more electrochemical cells and/or levels. According to some embodiments, the power source may be a small battery or capacitor that stores sufficient electrical energy to power up the device before the energy is depleted and to perform a predetermined sequence of procedures, such as an NFC (near field Communication) profile or RFID (Radio Frequency Identification) based sensing device.
In an embodiment of the present application, the ecg sensor 40 further includes a top electrode 42 and a bottom electrode 43, the top electrode 42 and the bottom electrode 43 are electrically connected to the sensing chip 41 through the double-sided circuit board 10, and the top electrode 42 and the bottom electrode 43 are disposed on different sides of the double-sided circuit board 10. The electrocardiogram sensor 40 detects the potential transmission of the heart by using electrodes attached to the skin surface of the human body, and obtains a heart rate signal and a pulse signal by means of signal analysis and checking of the electrocardiogram, so that the measurement accuracy of the motion state of the user is improved. In a using state, the bottom electrode 43 is attached to the skin of the user, when the heart potential detection is needed, the top electrode 42 is pressed by fingers or other parts, so that a closed loop circuit is formed, and at the moment, the electrocardiogram sensor 40 can detect the potential transmission of the heart of the human body through the sensing chip 41, thereby ensuring the measurement accuracy of the motion state of the user.
Referring to fig. 1 and 2, in an embodiment of the present application, the top electrode 42 includes a first connection segment 421 and a first extension segment 422, one end of the first connection segment 421 is connected to the double-sided circuit board 10, and the first extension segment 422 is disposed at one end of the first connection segment 421, which is away from the double-sided circuit board 10. The provision of the first connecting section 421 may improve the selection of the location where the top electrode 42 is disposed, thereby facilitating the user to press the top electrode 42 when in use. This first extension 422 is used to increase the area of the top electrode 42 that is used for contact with a user, thereby increasing the potential acquisition accuracy of the top electrode 42 and increasing the acquisition accuracy of the sensor assembly 100. In an embodiment, the sensing assembly includes a first direction and a second direction perpendicular to each other, the first connecting section 421 extends toward the first direction, and the first extending section 422 extends toward the second direction, so that the area of the top electrode 42 for contacting with a user can be better increased, and the electric potential collecting accuracy of the top electrode 42 can be further improved.
In an embodiment of the present application, the bottom electrode 43 includes a main sensing electrode 431 and an auxiliary sensing electrode 432, the main sensing electrode 431 is connected to the double-sided circuit board 10, and the auxiliary sensing electrode 432 is electrically connected to the main sensing electrode 431. Providing the main sensing electrode 431 and the auxiliary sensing electrode 432 can increase the area of the bottom electrode 43 for contact with a user, thereby improving the electrical potential acquisition accuracy of the bottom electrode 43 and improving the acquisition accuracy of the sensor assembly 100.
In an embodiment of the present application, the main sensing electrode 431 includes a second connection section 4311 and a second extension section 4312, one end of the second connection section 4311 is connected to the double-sided circuit board 10, the auxiliary sensing electrode 432 is electrically connected to the second connection section 4311, and the second extension section 4312 is disposed at one end of the second connection section 4311 departing from the double-sided circuit board 10. The second connecting section 4311 is arranged to improve the position of the bottom electrode 43, so that the user can contact the bottom electrode 43 with the skin when using the sensor assembly more conveniently, and the second extending section 4312 is arranged to improve the contact area of the bottom electrode 43 with the user, so as to improve the potential collecting accuracy of the bottom electrode 43 and improve the collecting accuracy of the sensor assembly 100. In an embodiment, the sensing assembly includes a first direction and a second direction perpendicular to each other, the second connection section 4311 extends toward the first direction, and the second extension section 4312 extends toward the second direction, so that the area of the bottom electrode 43 for contacting with a user can be better increased, and the potential collecting accuracy of the top electrode 42 can be further improved.
In an embodiment of the present application, the number of the auxiliary sensing electrodes 432 is plural, and the plurality of the auxiliary sensing electrodes 432 are all electrically connected to the main sensing electrode 431. Providing multiple auxiliary sensing electrodes 432 may increase the area of the bottom electrode 43 for contact with a user, thereby increasing the potential acquisition accuracy of the top electrode 42. In an embodiment, the plurality of auxiliary sensing electrodes 432 may be disposed at intervals along the circumferential direction of the main sensing electrode 431, such that the auxiliary sensing electrodes 432 are uniformly arranged, and the accuracy of the acquisition is improved.
In an embodiment of the present application, the auxiliary sensing electrode 432 includes a third connection segment 4321 and a third extension 4322, an end of the third connection segment 4321 is connected to the main sensing electrode 431, and the third extension 4322 is disposed at an end of the third connection segment 4321 away from the main sensing electrode 431. The third connecting section 4321 and the third extending section 4322 are similar to the first connecting section 421 and the first extending section 422, and are not described herein again.
Referring to fig. 1 and 2, in an embodiment of the present application, the sensor assembly 100 is provided with a first protection layer 81, the first protection layer 81 is disposed on one side of the controller 20 deviating from the double-sided circuit board and covers the surface of the double-sided circuit board 10, the first protection layer 81 is further formed with a receiving hole, the first connection section 421 is disposed in the receiving hole, and the first extension section 422 is attached to the surface of the first protection layer 81 deviating from the double-sided circuit board 10. The provision of the first protective layer 81 protects the electronic components on the side of the double-sided circuit board 10 where the controller 20 is provided, thereby improving the service life of the sensor assembly 100. This first protective layer 81 can be formed by die forming or three-dimensional printing, so that the first protective layer 81 is attached to the surface of the double-sided circuit board 10 to be protected, and the protection effect on the electronic component on the surface is improved. And, set up the holding hole in the protective layer, can protect first linkage segment 421 on the one hand, on the other hand can support first linkage segment 421, has improved the installation stability of top electrode 42. The first extension 422 extends from the surface of the first protection layer 81, which is away from the double-sided circuit board 10, so that the area of the top electrode 42 for contacting a user can be increased, and the extended first extension 422 can be supported by the first protection layer 81, thereby improving the mounting stability of the top electrode 42.
Referring to fig. 1 and 2, in an embodiment of the present application, the sensor assembly 100 is provided with a second protection layer 82, the second protection layer 82 is disposed on a side of the sensing chip 41 away from the double-sided circuit board and covers a surface of the double-sided circuit board 10, the second protection layer 82 is further formed with an accommodating channel, the second connection section 4311 and the third connection section 4321 are disposed in the accommodating channel, and the second extension section 4312 and the third extension section 4322 are both attached to a surface of the second protection layer 82 away from the double-sided circuit board 10. Similarly, the accommodating channel can protect the second connection section 4311 and the third connection section 4321, and can support the first connection section 421 and the third connection section 4321, thereby improving the installation stability of the bottom electrode 43. And the second extension 4312 and the third extension 4322 extend from the surface of the second protection layer 82 away from the double-sided circuit board 10, so that the area of the bottom electrode 43 for contacting a user can be increased, and the extended second extension 4312 and the extended third extension 4322 can be supported by the second protection layer 82, thereby improving the installation stability of the bottom electrode 43.
In an embodiment of the present application, the inertial sensor 50 and the sensing chip 41 are both disposed on a surface of the double-sided circuit board 10 facing away from the controller 20. So set up, the electronic components that will be used for gathering the signal with the electronic components that are used for the analysis signal set up in different planes, are convenient for save sensor assembly 100's area to, be convenient for carry out integrated setting to the circuit, improve sensor assembly 100's production efficiency.
Referring to fig. 2, in an embodiment of the present application, the double-sided circuit board 10 includes a circuit board body 11, the circuit board body 11 includes a first mounting surface and a second mounting surface which are oppositely disposed, the first mounting surface is recessed to form a first sinking platform 111, the second mounting surface is recessed to form a second sinking platform 112, the first sinking platform 111 is used for mounting the controller 20, and the second sinking platform 112 is used for mounting the sensing chip 41 and/or the inertial sensor 50. By forming the first sinking table 111 on the first mounting surface of the circuit board body 11 of the double-sided circuit board 10 and forming the second sinking table 112 on the second mounting surface, the mounting of the electronic components (the inertial sensor 50, the electrocardiogram sensor 40 and the controller 20) on the double-sided circuit board 10 can be arranged in the first sinking table 111 and/or the second sinking table 112, so that the height of even the electronic components with a high height mounted on the circuit board body 11 is reduced, thereby reducing the thickness of the double-sided circuit board 10. Therefore, the area of the sensor assembly 100 can be reduced well.
In an embodiment of the present application, the first sinking platforms 111 and the second sinking platforms 112 are disposed in a staggered manner. The projection profile formed by projecting the first sinking platform 111 along the sinking direction and the projection profile formed by projecting the second sinking platform 112 along the sinking direction are alternately arranged at intervals on the circuit board body 11. So set up, can avoid sensor assembly 100 in certain regional intensity lower to and the electronic components of this position installation are more, improve sensor assembly 100's structural strength and life. Moreover, the electronic components can be uniformly distributed, and wiring is convenient.
The utility model also provides a wearable device, which comprises a sensor assembly 100, wherein the sensor assembly 100 comprises a double-sided circuit board 10; the controller 20 is arranged on one surface of the double-sided circuit board 10; the two-sided circuit board 10 is electrically connected with the two-sided circuit board 10, the two-sided circuit board 10 is electrically connected with the two-sided circuit board 40, and at least one of the two-sided circuit board 10 and the two-sided circuit board 41 is disposed on a surface of the two-sided circuit board 10 facing away from the controller 20. Since the wearable device adopts all the technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and are not repeated herein.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (11)
1. A sensor assembly, comprising:
a double-sided circuit board;
the controller is arranged on one surface of the double-sided circuit board;
inertial sensor and heart electrograph sensor, inertial sensor with heart electrograph sensor all with double-sided circuit board electric connection, heart electrograph sensor have with double-sided circuit board electric connection's sensing chip, inertial sensor with at least one of sensing chip locates double-sided circuit board deviates from the surface of controller.
2. The sensor assembly of claim 1, wherein the ecg sensor further comprises a top electrode and a bottom electrode, wherein the top electrode and the bottom electrode are electrically connected to the sensor chip through the double-sided circuit board, and the top electrode and the bottom electrode are disposed on different sides of the double-sided circuit board.
3. The sensor assembly of claim 2, wherein the top electrode includes a first connection segment and a first extension, one end of the first connection segment being connected to the double-sided circuit board, the first extension being disposed at an end of the first connection segment facing away from the double-sided circuit board.
4. The sensor assembly of claim 3, wherein the bottom electrode comprises a main sensing electrode and an auxiliary sensing electrode, the main sensing electrode being connected to the double-sided circuit board, the auxiliary sensing electrode being electrically connected to the main sensing electrode.
5. The sensor assembly of claim 4, wherein the main sensing electrode includes a second connecting segment and a second extension segment, one end of the second connecting segment is connected to the double-sided circuit board, the auxiliary sensing electrode is electrically connected to the second connecting segment, and the second extension segment is disposed at one end of the second connecting segment away from the double-sided circuit board.
6. The sensor assembly of claim 5, wherein the number of the auxiliary sensing electrodes is plural, and the plural auxiliary sensing electrodes are electrically connected to the main sensing electrode;
and/or, the auxiliary sensing electrode comprises a third connecting section and a third extension section, one end of the third connecting section is connected with the main sensing electrode, and the third extension section is arranged at one end of the third connecting section, which deviates from the main sensing electrode.
7. The sensor assembly of claim 5, wherein the sensor assembly is provided with a first protective layer, the first protective layer is arranged on the side of the controller, which faces away from the double-sided circuit board, and covers the surface of the double-sided circuit board, the first protective layer is further formed with a containing hole, the first connecting section is arranged in the containing hole, and the first extending section is attached to the surface of the first protective layer, which faces away from the double-sided circuit board.
8. The sensor assembly of claim 6, wherein the sensor assembly is provided with a second protective layer, the second protective layer is disposed on a side of the sensing chip facing away from the double-sided circuit board and covers a surface of the double-sided circuit board, the second protective layer is further formed with a receiving channel, the second connecting section and the third connecting section are disposed in the receiving channel, and the second extending section and the third extending section are attached to the surface of the second protective layer facing away from the double-sided circuit board.
9. The sensor assembly of any one of claims 1 to 8, wherein the inertial sensor and the sensing chip are both disposed on a surface of the double-sided circuit board facing away from the controller.
10. The sensor assembly of any one of claims 1 to 8, wherein the double-sided circuit board comprises a circuit board body including first and second oppositely disposed mounting surfaces, the first mounting surface being recessed to form a first sinker and the second mounting surface being recessed to form a second sinker, the first sinker being for mounting the controller and the second sinker being for mounting the sensor chip and/or the inertial sensor.
11. A wearable device, characterized in that it comprises a sensor assembly according to any of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921436163.9U CN211609744U (en) | 2019-08-30 | 2019-08-30 | Sensor assembly and wearable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921436163.9U CN211609744U (en) | 2019-08-30 | 2019-08-30 | Sensor assembly and wearable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211609744U true CN211609744U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921436163.9U Active CN211609744U (en) | 2019-08-30 | 2019-08-30 | Sensor assembly and wearable device |
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| Country | Link |
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| CN (1) | CN211609744U (en) |
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- 2019-08-30 CN CN201921436163.9U patent/CN211609744U/en active Active
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