CN210990225U - Sensor assembly and wearable device - Google Patents
Sensor assembly and wearable device Download PDFInfo
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- CN210990225U CN210990225U CN201921436162.4U CN201921436162U CN210990225U CN 210990225 U CN210990225 U CN 210990225U CN 201921436162 U CN201921436162 U CN 201921436162U CN 210990225 U CN210990225 U CN 210990225U
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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; pulse sensor and heart electrograph sensor, pulse 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, sensing chip with at least one of pulse sensor locates double-sided circuit board deviates from the surface of controller. The utility model discloses technical scheme aims at improving the measuring accuracy to user's physiological state, and reduces the installation area.
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 intelligent wearable device in the related art is inaccurate in measurement of the physiological state of the user and has a large installation area. Therefore, a device which can improve the measurement accuracy of the intelligent wearable device on the physiological state of the user and has a small installation area is urgently needed.
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 wearable equipment aims at improving the measuring accuracy to user's physiological state, and reduces the installation area.
In order to achieve the above object, the utility model provides a wearable device, include:
a double-sided circuit board;
the controller is arranged on one surface of the double-sided circuit board;
pulse sensor and heart electrograph sensor, pulse 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, sensing chip with at least one of pulse sensor locates double-sided circuit board deviates from the surface of controller.
Optionally, the pulse sensor includes a light source and a light sensor, the light sensor is configured to receive reflected light emitted from the light source after the light source exits the sensor assembly, the light source and the light sensor are both electrically connected to the double-sided circuit board, and the double-sided circuit board is further provided with a first retaining wall, which is located between the light source and the light sensor and is used to prevent the emitted light from the light source from directly entering the light sensor.
Optionally, the number of the light sources is multiple, the light sources are arranged at intervals along the circumferential direction of the light sensor and are all connected with the double-sided circuit board, and a first retaining wall for preventing emergent light of the light source from directly entering the light sensor is arranged between the light sensor and each light source.
Optionally, the double-sided circuit board is further provided with a second retaining wall, the second retaining wall is located on one side, away from the light sensor, of the light source, and an accommodating space for accommodating the pulse sensor is formed between the light-transmitting mirror and the double-sided circuit board;
the sensor assembly further comprises a light-transmitting mirror, the light-transmitting mirror is arranged on one side, away from the double-sided circuit board, of the light source and the light sensor, and an accommodating space for accommodating the pulse sensor is formed between the light-transmitting mirror and the double-sided circuit board.
Optionally, the electrocardiogram sensor further comprises a top electrode and a bottom electrode, the top electrode and the bottom electrode are both connected through the double-sided circuit board and the sensing chip, the top electrode and the bottom electrode are arranged on different sides of the double-sided circuit board, the bottom electrode is attached to the second retaining wall and is away from one side of the light source, and the second retaining wall is abutted to the light-transmitting mirror.
Optionally, the second retaining wall is annularly arranged, the bottom electrode is annularly arranged and sleeved on the surface of the second retaining wall back to the light source, and is abutted against the light-transmitting mirror, and at least part of the bottom electrode is arranged on the surface of the second retaining wall back to 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 sensor assembly is provided with a protective layer, the protective layer is arranged on one side, deviating from the double-sided circuit board, of the controller and covers the surface of the double-sided circuit board, a containing hole is further formed in the first protective layer, the first connecting section is arranged in the containing hole, and the first extending section is attached to the surface, deviating from the surface of the double-sided circuit board, of the first protective layer.
Optionally, the sensing chip and the pulse sensor are both arranged on one side of the double-sided circuit board, which is away from the controller, and the optical sensor is arranged on the surface of the sensing chip, which is away from the double-sided circuit board.
The utility model also provides a wearable equipment, including sensor assembly, this sensor assembly includes:
a double-sided circuit board;
the controller is arranged on one surface of the double-sided circuit board;
pulse sensor and heart electrograph sensor, pulse 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, sensing chip with at least one of pulse sensor 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 pulse sensor and/or electrocardiogram sensor's sensing chip, owing to will be used for signal processing's electronic components and parts setting separately with the electronic components who is used for gathering signal through double-sided circuit board, has reduced sensor module's area occupied. The pulse sensor electrocardiography (PPG) is a PPG sensor, which calculates optical signals by using the principles of optical incidence, absorption, and reflection to obtain information of the pulse, respiration, blood oxygen, blood pressure, etc. of the user, thereby accurately measuring the physiological state of the user. An electrocardiogram sensor, namely an ECG sensor or an EKG sensor, an Electrocardiography, namely an electrocardiographic unit, which measures the heart activity through Electrocardiography, and Electrocardiography, which is a mode of recording the electrophysiological activity of the heart through the thoracic cavity by taking time as a unit. Therefore, the utility model discloses technical scheme can improve the measuring accuracy of intelligence wearing equipment to user's physiological 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;
fig. 3 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 | Sensor assembly | 40 | |
| 10 | Double- |
41 | |
| 11 | |
42 | |
| 111 | |
421 | First connecting |
| 112 | |
422 | Second connecting |
| 12 | First |
43 | |
| 13 | Second |
50 | |
| 20 | |
60 | Light-transmitting |
| 30 | |
70 | Containing |
| 31 | |
80 | |
| 32 | |
90 | Reflective film |
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 to 3, the present invention provides a sensor assembly 100, where the sensor assembly 100 includes:
a double-sided circuit board 10;
the controller 20 is arranged on one surface of the double-sided circuit board 10;
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 the surface of controller 20 sets up pulse sensor 30 and/or electrocardiogram 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. The pulse sensor 30 and the electrocardiograph sensor 40 are PPG sensors (Photoplethysmography units) which calculate optical signals by using the principles of optical incidence, absorption, and reflection to obtain information of the pulse, respiration, blood oxygen, blood pressure, and the like of the user. Thereby accurately measuring the physiological state of the user. The electrocardiograph sensor 40 is an ECG sensor or an EKG sensor, Electrocardiography, or an electrocardiograph unit, which measures the heart activity through Electrocardiography, and Electrocardiography is a method of recording the electrophysiological activity of the heart through the thoracic cavity in units of time, because the heart rate changes very obviously when a human body moves, the electrocardiograph sensor 40 can acquire the change of the heart rate of the human body, and then accurately measure the physiological state of the user. Therefore, the utility model discloses technical scheme can improve the measuring accuracy of intelligence wearing equipment to user's physiological state, and the area is littleer.
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 will be appreciated that the ECG sensor is in contact with the skin of the user to measure the ECG waveform, the PPG sensor may be used to measure the light signal, and the controller 20 processes the ECG waveform and the light signal to obtain an accurate physiological 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 generated sensor data (e.g., information of the PPG, information of the temperature sensor, or other physiological information such as ECG, EMG) or information representing acceleration and/or temperature and/or other physiological information derived from the sensor data, additionally, according to some embodiments, the memory can be configured to store computer program code for controlling the controller 20.
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.
Referring to fig. 1 to 3, in an embodiment of the present application, the pulse sensor 30 includes a light source 31 and a light sensor 32, the light sensor 32 is configured to receive reflected light emitted from the light source 31 after exiting from the sensor assembly 100, the light source 31 and the light sensor 32 are both electrically connected to the double-sided circuit board 10, the double-sided circuit board 10 is further provided with a first retaining wall 12, and the first retaining wall 12 is located between the light source 31 and the light sensor 32 and is configured to prevent the emitted light from the light source 31 from directly entering the light sensor 32. The pulse sensor 30 mainly detects by means of PhotoPlethysmoGraphy (PPG), which is a non-invasive detection method for detecting blood volume changes in living tissue by means of photoelectric means, and a light source 31 is provided to transmit a light beam of a certain wavelength to a light sensor 32 by means of transmission or reflection when the light beam is irradiated to the skin surface of the finger tip. In the process, the light intensity detected by the light sensor 32 is weakened due to the absorption attenuation effect of finger tip skin muscles and blood, wherein the absorption of light by skin, muscle tissues and the like is kept constant in the whole blood circulation, the blood volume in the skin is pulsated and changed under the action of the heart, the peripheral blood volume is the largest when the heart contracts, the light absorption amount is also the largest, and the detected light intensity is the smallest; when the heart is in diastole, the detected light intensity is opposite to the detected light intensity, so that the light intensity received by the light receiver is changed in a pulsating mode, and the light intensity change signal is converted into an electric signal, so that the change of the volume pulse blood flow can be obtained. Therefore, the change of the volume pulse blood flow obtains physiological information including heart beat function, blood flow (blood oxygen, blood pressure) and the like. As such, the accuracy of the measurement of the physiological state of the user by the sensor assembly 100 may be improved.
The first retaining wall 12 positioned between the light source 31 and the light sensor 32 is used for guiding the light emitted by the light source 31, so that the light can better irradiate the skin of the user; in addition, the light emitted from the light source 31 is prevented from directly entering the light sensor 32, which affects the detection result of the light sensor 32, and the measurement accuracy of the sensor assembly 100 on the physiological status of the user is further improved. In this embodiment, the first retaining wall 12 may be formed by injection molding or 3D printing, and the material of the first retaining wall 12 may be a plastic piece or a rubber piece, as long as it is convenient to block light.
And, in one embodiment, the light source 31 may be an L ED light emitter that emits light by releasing energy through recombination of electrons and holes, and the light emitting diode may efficiently convert electric energy into light energy, thereby ensuring the intensity of the light energy and improving the accuracy of the sensor assembly 100 in measuring the physiological state of the user. in addition, the type of the light source 31 is not limited to L ED light sources 31, and other types of light sources 31 may be used, such as incandescent, fluorescent, discharge, and other light emitters.
Referring to fig. 1 to 3, in an embodiment of the present application, the number of the light sources 31 is multiple, a plurality of the light sources 31 are arranged at intervals along the circumferential direction of the light sensor 32 and are all connected to the double-sided circuit board 10, and a first retaining wall 12 for preventing the emergent light of the light source 31 from directly entering the light sensor 32 is arranged between the light sensor 32 and each of the light sources 31. Through setting up a plurality of light sources 31 to can improve the light energy of sensor subassembly 100 emergent light greatly, thereby make more light participate in the detection of human physiological information, set up light source 31 along light sensor 32's circumference interval and can make light distribute evenly around light sensor 32, and light sensor 32 can receive more light energy, improved sensor subassembly 100 to the measuring accuracy of user's physiological status. Similarly, when a plurality of light sources 31 are disposed, the first retaining wall 12 needs to be disposed between the light sensor 32 and each light source 31, so as to avoid detecting noise, which is not described herein.
In an embodiment of the present application, the double-sided circuit board 10 is further provided with a second retaining wall 13, the second retaining wall 13 is located on a side of the light source 31 away from the light sensor 32, and an accommodating space 70 for accommodating the pulse sensor 30 is formed between the light-transmitting mirror 60 and the double-sided circuit board 10; the second retaining wall 13 can prevent external light from contacting with skin and reflecting to the light sensor 32, so as to ensure the accuracy of measurement; and the emergent light of the light source 31 is conveniently guided, and the light energy utilization rate of the light source 31 is improved. Similarly, the second retaining wall 13 may be formed by injection molding or 3D printing, and the material of the second retaining wall 13 may be a plastic piece or a rubber piece, so long as it is convenient to block light.
The sensor assembly 100 further includes a transparent mirror 60, the transparent mirror 60 is disposed on a side of the light source 31 and the light sensor 32 away from the double-sided circuit board 10, and an accommodating space 70 for accommodating the pulse sensor 30 is formed between the transparent mirror 60 and the double-sided circuit board 10. The light-transmitting mirror 60 is provided to protect the pulse sensor 30 and to facilitate the light of the light source 31 to exit from the sensor assembly 100 to the skin. In an embodiment, the transparent mirror 60 is disposed on a surface of the first retaining wall 12 facing away from the double-sided circuit board 10 (and/or a surface of the second retaining wall 13 facing away from the double-sided circuit board 10), so that an accommodating space 70 for accommodating the pulse sensor 30 is formed between the transparent mirror 60 and the double-sided circuit board 10, and the installation of the pulse sensor 30 is facilitated.
Referring to fig. 1 to 3, 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, the top electrode 42 and the bottom electrode 43 are disposed on different sides of the double-sided circuit board 10, and the bottom electrode 43 is attached to one side of the second retaining wall 13 deviating from the light source 31 and abuts against the transparent mirror 60. 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. And, keep off one side setting that wall 13 deviates from light source 31 with bottom electrode 43 laminating second, can carry out certain support to bottom electrode 43, guarantee bottom electrode 43's stable in structure, and set up bottom electrode 43 butt in light-transmitting mirror 60, thereby carry out certain spacing to light-transmitting mirror 60's installation, improve light-transmitting mirror 60's assembly effect, thereby guarantee sensor assembly 100's stable in structure, improve sensor assembly 100 to user's physiological state's measuring accuracy.
Referring to fig. 1 to 3, in an embodiment of the present application, the second blocking wall 13 is annularly disposed, the bottom electrode 43 is annularly disposed and sleeved on a surface of the second blocking wall 13 deviating from the light source 31, and abuts against the transparent mirror 60, and at least a portion of the bottom electrode 43 is disposed on a surface of the second blocking wall 13 deviating from the double-sided circuit board 10. The second retaining wall 13 disposed in a ring shape can prevent external light from interfering with the measurement of the human body in multiple directions, and improve the measurement accuracy of the sensor assembly 100 on the physiological status of the user. The bottom electrode 43 that the annular set up can be used for improving the area that the bottom electrode 43 is used for with the contact of user, and then improves the electric potential collection degree of accuracy of bottom electrode 43, improves the collection degree of accuracy of sensor subassembly 100. And because second wall 13 and bottom electrode 43 are the annular setting, the annular has better structural strength, and the inboard homoenergetic of bottom electrode 43 obtains second wall 13 to support, has further improved sensor assembly 100's stable in structure.
The cross-section of this bottom electrode 43 is roughly "L" shape setting, and the vertical section of this bottom electrode 43 keeps off the one side laminating setting that wall 13 deviates from light source 31 with the second, thereby guarantee the stability of bottom electrode 43, in order to facilitate the butt of bottom electrode 43 and user's skin, locate the horizontal section of bottom electrode 43 the second and keep off the surface that wall 13 deviates from double-sided circuit board 10, make this horizontal section be convenient for with the user laminating, improve sensor assembly 100 to the measuring accuracy of user's physiological state.
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 departing 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 sensor assembly 100 is provided with a protection layer 80, the protection layer 80 is provided on one side of the double-sided circuit board, the controller 20 deviates from the surface of the double-sided circuit board 10, the first protection layer 80 is further formed with a containing hole, the first connection segment 421 is provided on the containing hole, and the first extension segment 422 is attached to the surface of the double-sided circuit board 10 deviating from the first protection layer 80. The protective layer 80 is provided to protect 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 protective layer 80 can be formed through mould molding or three-dimensional printing to make protective layer 80 laminate in the surface that double-sided circuit board 10 needs the protection, improve the protection effect to locating the electronic components on this surface. And, set up the holding hole in the protective layer 80, on the one hand can protect the first linkage segment 421, on the other hand can support the first linkage segment 421, has improved the installation stability of top electrode 42. The first extension 422 extends from the surface of the protection layer 80 facing away from the double-sided circuit board 10, so that the area of the top electrode 42 for contacting with a user can be increased, and the extended first extension 422 can be supported by the protection layer 80, thereby improving the mounting stability of the top electrode 42.
Referring to fig. 2, in an embodiment of the present application, the width of the first retaining wall 12 gradually decreases from the double-sided circuit board 10 to the transparent mirror 60; at this time, the cross section of the first retaining wall 12 is substantially trapezoidal, and it should be noted that, the width of the first retaining wall 12 is the direction from the light source 31 to the light sensor 32, and the distance between the two end surfaces of the first retaining wall 12 is reduced to a certain extent (the support of the transparent mirror 60 needs to be considered), so that the area of the light outlet of the light source 31 can be increased, thereby increasing the light output amount of the emergent light, further increasing the light energy, so that the light source 31 has sufficient light to participate in the detection of the physiological parameters of the human body, and increasing the measurement accuracy of the sensor assembly 100 on the physiological state of the user.
In an embodiment of the present application, the width of the second retaining wall 13 gradually decreases from the double-sided circuit board 10 to the transparent mirror 60. Similarly, the width of the second wall 13 is the distance between two end surfaces of the second wall 13 in the direction from the light source 31 to the light sensor 32. At this time, the cross section of the second baffle wall 13 is substantially trapezoidal, so that the area of the light outlet of the light source 31 can be increased, the light output amount can be increased, the measurement accuracy of the sensor assembly 100 on the physiological state of the user can be improved, and the size of the sensor assembly 100 can be reduced to a certain extent, so that the miniaturization of the product is facilitated.
In an embodiment of the present application, the surfaces of the first retaining wall 12 and the second retaining wall 13 facing the light source 31 are provided with a reflective film 90. With such an arrangement, the emergent light of the light source 31 can be reflected by the reflective film 90, so that the light output of the light source 31 is improved, and the measurement accuracy of the sensor assembly 100 on the physiological state of the user is further improved. And when the cross-section of first barricade 12 and second barricade 13 all is trapezoidal setting, set up reflective membrane 90 and can improve the outgoing to light greatly, avoid light source 31 to lose the light energy of outgoing light after the diffuse reflection between first barricade 12 and second barricade 13, and then improve sensor assembly 100 to the measuring accuracy of user's physiological state.
In an embodiment of the present application, the sensing chip 41 and the pulse sensor 30 are both disposed on a surface of the double-sided circuit board 10 facing away from the controller 20, and the optical sensor 32 is disposed on a surface of the sensing chip 41 facing away from the double-sided circuit board 10. 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. And, the area of the double-sided circuit board 10 can be further reduced by disposing the sensor chip 41 as a lower layer and stacking (stacking) a Photo Detector (32) of PPG on the sensor chip 41 by using a technique of Stack die.
In an embodiment of the present application, the sensor assembly 100 further includes an Inertial sensor 50 electrically connected to the double-sided circuit board 10, where the Inertial sensor 50 [ the Inertial Measurement Unit (IMU) is an Inertial Measurement Unit (IMU), an IMU is a device for measuring three-axis attitude angles (or angular velocities) and accelerations of an object, and generally, one IMU is equipped with a three-axis gyroscope and three-direction accelerometers to measure angular velocities and accelerations of the object in a three-dimensional space, so as to better obtain a motion state of a user. The inertial sensor 50 may be located on the same side as the controller 20 or in a stacked arrangement with other electronic components of the sensor assembly 100.
Referring to fig. 3, 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 discloses still provide a wearable equipment, this wearable equipment includes sensor assembly 100, and this sensor assembly 100 includes: a double-sided circuit board 10; the controller 20 is arranged on one surface of the double-sided circuit board 10; pulse sensor 30 and heart electrograph sensor 40, pulse sensor 30 with heart electrograph sensor 40 all with double-sided circuit board 10 electric connection, heart electrograph sensor 40 have with double-sided circuit board 10 electric connection's sensing chip 41, sensing chip 41 with at least one of pulse sensor 30 locates double-sided circuit board 10 deviates from the surface of 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 (10)
1. A sensor assembly, comprising:
a double-sided circuit board;
the controller is arranged on one surface of the double-sided circuit board;
pulse sensor and heart electrograph sensor, pulse 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, sensing chip with at least one of pulse sensor locates double-sided circuit board deviates from the surface of controller.
2. The sensor assembly of claim 1, wherein the pulse sensor comprises a light source and a light sensor, the light sensor is configured to receive reflected light emitted from the light source after the light source exits the sensor assembly, the light source and the light sensor are both electrically connected to the double-sided circuit board, and the double-sided circuit board further has a first retaining wall, the first retaining wall is located between the light source and the light sensor and configured to prevent the emitted light from the light source from directly entering the light sensor.
3. The sensor assembly of claim 2, wherein the number of the light sources is plural, the plural light sources are arranged at intervals along the circumference of the light sensor and are connected to the double-sided circuit board, and a first retaining wall for preventing the light emitted from the light source from directly entering the light sensor is arranged between the light sensor and each of the light sources.
4. The sensor assembly of claim 2, wherein the double-sided circuit board is further provided with a second retaining wall, the second retaining wall being located on a side of the light source facing away from the light sensor;
the sensor assembly further comprises a light-transmitting mirror, the light-transmitting mirror is arranged on one side, away from the double-sided circuit board, of the light source and the light sensor, and an accommodating space for accommodating the pulse sensor is formed between the light-transmitting mirror and the double-sided circuit board.
5. The sensor assembly of claim 4, wherein the ECG sensor further comprises a top electrode and a bottom electrode, the top electrode and the bottom electrode are electrically connected to the sensor chip through the double-sided circuit board, the top electrode and the bottom electrode are disposed on different sides of the double-sided circuit board, and the bottom electrode is attached to the second wall on a side away from the light source and abuts against the transparent mirror.
6. The sensor assembly of claim 5, wherein the second retaining wall is disposed annularly, the bottom electrode is disposed annularly and is sleeved on a surface of the second retaining wall facing away from the light source and abutting against the transparent mirror, and at least a portion of the bottom electrode is disposed on a surface of the second retaining wall facing away from the double-sided circuit board.
7. The sensor assembly of claim 5, wherein the top electrode includes a first connection segment and a first extension, wherein one end of the first connection segment is connected to the double-sided circuit board, and wherein the first extension is disposed at an end of the first connection segment facing away from the double-sided circuit board.
8. The sensor assembly of claim 7, wherein the sensor assembly is provided with a protective layer, the protective layer is disposed on a side of the controller away from the double-sided circuit board and covers a surface of the double-sided circuit board, the protective layer is further formed with a receiving hole, the first connecting section is disposed in the receiving hole, and the first extending section is attached to the surface of the protective layer away from the double-sided circuit board.
9. The sensor assembly of any one of claims 2 to 8, wherein the sensor chip and the pulse sensor are both disposed on a side of the double-sided circuit board facing away from the controller, and the light sensor is disposed on a surface of the sensor chip facing away from the double-sided circuit board.
10. A wearable device, characterized in that it comprises a sensor assembly according to any of claims 1 to 9.
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| CN201921436162.4U CN210990225U (en) | 2019-08-30 | 2019-08-30 | Sensor assembly and wearable device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116841032A (en) * | 2023-05-31 | 2023-10-03 | 极限人工智能有限公司 | Endoscope lens, electronic endoscope and image acquisition method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116841032A (en) * | 2023-05-31 | 2023-10-03 | 极限人工智能有限公司 | Endoscope lens, electronic endoscope and image acquisition method |
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