CN210144638U - Human body sign measurement system during sitting - Google Patents
Human body sign measurement system during sitting Download PDFInfo
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- CN210144638U CN210144638U CN201920175789.2U CN201920175789U CN210144638U CN 210144638 U CN210144638 U CN 210144638U CN 201920175789 U CN201920175789 U CN 201920175789U CN 210144638 U CN210144638 U CN 210144638U
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Abstract
The utility model relates to a sitting human body sign measuring system, which comprises a sign and sitting posture collecting module, a sitting posture measuring module and a sitting posture measuring module, wherein the sign and sitting posture collecting module is used for collecting human body original sign signals and original sitting posture signals; the pressure acquisition module is used for acquiring an original pressure signal generated by a human body on the seat when the human body sits; the motion state acquisition module is used for acquiring an original motion state signal generated by a human body on the seat when the human body sits; the main control module receives and processes the signals acquired by the modules to obtain final physical sign data of heartbeat frequency and respiratory frequency and sitting posture data; and the power supply module supplies power to each module. Compared with the prior art, the utility model discloses can be suitable for multiple different situation (like human health action, seat removal, human weight, seat portion thickness etc.) and can accurate, real-time supervision sit time human body sign and position of sitting.
Description
Technical Field
The utility model relates to a human sign measures technical field, specifically, relates to a human sign measurement system when sitting.
Background
With the arrival of internet equipment and digital medical industry, health office and health monitoring have become increasingly concerned fields for the public, and monitoring human vital signs such as heart rate and respiratory rate while sitting in office or at home has become a strong demand of the market; outside of the medical facility, tracking vital signs enables individuals to quantify and conceptualize their health condition, helping individuals constantly maintain focus on their health and wellness needs and progress, and maintain the motivation needed to achieve health and fitness goals.
Some measurement systems for detecting physical signs of a sitting human body through different types of sensors exist in the market at present, but the systems still have more defects: firstly, when a person sits, the body movement, the seat movement and other common conditions can not be measured accurately, secondly, when the seat adopts different thicknesses, materials and hardness, the difference of signals detected by the sensor is large, in addition, when the weight of the human body is light, the body physical signs can not be measured accurately by a simple pressure type sensor, and the human body pressure can not be accurately calculated and measured when the pressure transmitted to the sensor is weak, so that the information of the body physical signs can not be detected accurately.
In order to effectively solve the technical problem, the utility model provides a can be suitable for multiple different situation (like human health action, seat removal, human weight difference, seat portion thickness etc.) and can be accurate, stable, real-time supervision sit measuring system of human sign.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a measuring system which can be suitable for various conditions (such as human body movement, seat movement, human body weight difference, seat part thickness and the like) and can accurately, stably and real-timely monitor the physical signs of the human body when the person sits; the device specifically comprises a sign and sitting posture acquisition module (a first capacitance sensing module, a second capacitance sensing module, a third capacitance sensing module, a capacitance acquisition module and a signal amplification module), a pressure acquisition module (an optical fiber sensing pad, an optical fiber transceiving module and a filtering module), a motion state acquisition module (a triaxial acceleration sensing module), a main control module, a power supply module and a Bluetooth wireless communication module, wherein, the optical fiber sensing cushion is arranged at the middle position of the seat part, the first capacitance sensing module and the second capacitance sensing module are arranged at the left side and the right side above the optical fiber sensing cushion, the third capacitance sensing module is arranged at the backrest of the seat, the rest capacitor acquisition modules, the signal amplification module, the optical fiber transceiving module, the filtering module, the three-axis acceleration sensing module, the power supply device, the main control module and the Bluetooth wireless communication module are integrated on a circuit board on the seat.
The technical scheme of the utility model is realized like this:
a seated human body sign measurement system, comprising:
the physical sign and sitting posture acquisition module is connected with the main control module and used for acquiring original physical sign signals and original sitting posture signals of a human body;
the pressure acquisition module is connected with the main control module and used for acquiring an original pressure signal generated by a human body on the seat when the human body sits;
the motion state acquisition module is connected with the main control module and used for acquiring an original motion state signal generated by a human body on the seat when the human body sits;
the main control module is used for receiving and processing the original sign signals, the original sitting posture signals, the original pressure signals and the original motion state signals collected by the modules to obtain final sign data and sitting posture data of heartbeat frequency and respiratory frequency;
and the power supply module is connected with the main control module and supplies power to each module.
The utility model discloses a set up in the sign and the position of sitting collection module of seat, pressure acquisition module, motion state collection module obtain the human original sign signal and the original position of sitting signal, original pressure signal, the original motion state signal that correspond to through main control module's processing and operation, obtain the optimal human sign data (heartbeat frequency data, respiratory frequency data), this system can accurately obtain human position of sitting data simultaneously, including the position of sitting circumstances of left bank, right bank, front lean, back bank.
Preferably, the sign and sitting posture collection module comprises a first capacitance sensing module, a second capacitance sensing module, a capacitance collection module and a signal amplification module, and the output ends of the first capacitance sensing module and the second capacitance sensing module are connected with the input end of the capacitance collection module and the input end of the signal amplification module in sequence and then connected to the input end of the main control module.
The first capacitive sensing module and the second capacitive sensing module respectively comprise a planar or plane-like conductive material with adjustable area, so that the area can be flexibly adjusted according to the thickness, hardness and area of a seat cushion and sponge in practical application, and the sensitivity can be further adjusted after the areas of the first capacitive sensing module and the second capacitive sensing module are changed; the capacitance values generated by the first capacitance sensing module and the second capacitance sensing module provide a basis for acquiring original physical sign signals and original sitting posture signals of a human body; based on when human and first capacitance sensing module, the second capacitance sensing module is under the same distance, the capacitance value that produces when the conducting material of different areas is close with the human body is different, under the same area of conducting material, the human and first capacitance sensing module, the different produced capacitance values of distance of second capacitance sensing module are different, area of contact is big more, the more big principle that the produced capacitance value can be big more apart from, when the human is apart from first capacitance sensing module, the second capacitance sensing module just can produce slight capacitance value change when having slight change, the electric capacity collection module converts continuous different capacitance values into continuous digital signal, gather continuous original sign signal after the signal amplification module enlargies, from this finally can more accurately, accurately obtain sign data.
Preferably, when a human body sits, the distance between the human body sitting part and the first capacitance sensing module and the distance between the human body sitting part and the second capacitance sensing module correspondingly generate continuous different capacitance values, the capacitance acquisition module converts the continuous different capacitance values into continuous digital signals, and the continuous digital signals are amplified by the signal amplification module and then acquired to form continuous original sign signals.
When the human body sits, under the conditions of human heart beating and respiratory motion, the reaction force can be generated between the human body and the first capacitance sensing module and between the human body and the second capacitance sensing module, so that the distance between the human body and the first capacitance sensing module and between the second capacitance sensing module can be slightly changed to generate continuous different capacitance values, and the high-precision capacitance acquisition module can generate continuous different capacitance values and convert the continuous different capacitance values into continuous digital signals due to the slight change generated by the conditions of heart beating and respiratory motion, thereby finally, the physical sign data can be more accurately obtained.
Preferably, when a human body sits, the first capacitance sensing module and the second capacitance sensing module acquire respective capacitance values, the capacitance acquisition modules convert the respective capacitance values into digital signals, the digital signals are amplified by the signal amplification module and then acquire original sitting posture signals, and the main control module analyzes and processes the signals and then acquires final sitting posture data of the human body leaning to the left or the right.
Different capacitance values acquired by the first capacitance sensing module and the second capacitance sensing module are compared after conversion, and the sitting posture of the human body leaning to the left or the right is judged.
Preferably, the physical sign and sitting posture acquisition module further comprises a third capacitance sensing module, an output end of the third capacitance sensing module is sequentially connected with an input end of the capacitance acquisition module and an input end of the signal amplification module and then connected to an input end of the main control module, when the human backrest acts on the third capacitance sensing module, a corresponding capacitance value is formed, the capacitance acquisition module converts the capacitance value into a digital signal, an original sitting posture signal is acquired after the capacitance value is amplified by the signal amplification module, and the main control module analyzes and processes the data and then acquires final sitting posture data of the human body leaning forward or backward.
The third capacitance sensing module is positioned on the backrest of the seat, when a human body leans against the backrest, the third capacitance sensing module generates a capacitance value, an original sitting posture signal is formed by the capacitance acquisition module and the signal amplifier and is transmitted to the main control module, and the sitting posture signal is processed by the main control module, so that the forward or backward leaning sitting posture (namely whether the sitting posture leans against the backrest is monitored) of the human body can be monitored; in addition, the first capacitive sensing module and the second capacitive sensing module are disposed at the seat portion to collect capacitance values generated by the heart beat and the breathing movement, because when a human body sits on the seat portion, the acting force in the vertical direction can more easily collect slight changes generated by the heart beat and the breathing movement, and the third capacitive sensing module is disposed at the backrest portion, so that the back of the human body is easy to move and is easily interfered, and therefore, the first capacitive sensing module and the second capacitive sensing module are not suitable for collecting the slight changes of the heart beat and the breathing movement.
Preferably, the pressure acquisition module comprises an optical fiber sensing pad, an optical fiber transceiving module and a filtering module, the optical fiber sensing pad is bidirectionally connected with the optical fiber transceiving module, the output end of the optical fiber transceiving module is connected with the input end of the filtering module and then connected to the input end of the main control module, and the pressure acquisition module acquires the original pressure signal of the human body acting on the optical fiber sensing pad by using the optical loss generated by the optical fiber deformation of the optical fiber sensing pad.
The optical fiber sensing pad collects the pressure of a human body sitting on the seat and the pressure change condition by utilizing the optical loss change generated by the optical fiber deformation, and the whole optical fiber sensing pad is planar or quasi-planar, so that the planar pressure collection with low cost, stability, reliability and high precision is realized; the optical fiber is fixed and wrapped by the silica gel bottom plate and the silica gel sealing cover plate, so that the situation that the optical fiber is displaced or broken when a human body sits is avoided, the integrity of the optical fiber sensing pad is ensured, the rebound performance of the human body which is recovered to the original state after leaving the seat is also provided, the optical fiber sensing pad which is planar or similar to the planar shape and has the thickness of 4-10 mm is very low, and the optical fiber sensing pad is suitable for the seat and does not influence the comfort of the seat; meanwhile, the optical fibers are spirally or fencedly coiled and fixed on the bottom plate by the adhesive, so that the cross points among the optical fibers can be sufficiently deformed, the optical loss value with pressure difference can be distinguished, and meanwhile, the number of the cross points of the optical fibers can be flexibly changed according to different seat thicknesses to adjust the acquisition sensitivity, in addition, the batch mechanical production is facilitated, and the production difficulty and the production cost of the optical fiber sensing pad are reduced; about first capacitive sensing module, the reason that second capacitive sensing module and optic fibre response pad stacked from top to bottom lies in, because the response of optic fibre is too sensitive and often has interfering signal, place optic fibre response pad in the below make optic fibre for first capacitive sensing module, second capacitive sensing module is apart from human some a bit far away, make the forced induction of optic fibre tend to normally, more accurate, furthermore, with first capacitive sensing module, optic fibre response pad top is placed in to second capacitive sensing module, and is closer to some with the human body, its sensitivity just can not receive the influence of below silica gel seal cover plate, it is also more accurate to detect.
Preferably, the input end of the optical fiber transceiver module is connected to the output end of the main control module, and specifically includes a light emitting unit and a light receiving unit, the main control module controls the light emitting unit to emit light, the light emitting unit, the optical fiber sensing pad and the light receiving unit form a loop, and an original pressure signal applied to the optical fiber sensing pad by a human body is collected through light loss formed by light emission and light reception.
The light that the luminescence unit sent returns to receiving the light unit and forms a return circuit so far behind the optic fibre response pad, and when no pressure acts on the optic fibre response pad, luminescence unit and receiving the light unit do not have the light loss, thereby can make optic fibre produce when human seat produces pressure on the optic fibre response pad and buckle and influence the optic fibre transmission and produce the light intensity loss, obtain the light loss and then judge the human pressure value size that acts on the optic fibre response pad through luminescence unit, receiving the light unit.
Preferably, the filtering module is configured to filter out clutter from the original pressure signal collected by the optical fiber transceiver module, and transmit the filtered pressure signal to the main control module to form a pressure signal.
Preferably, the motion state acquisition module comprises a triaxial acceleration sensing module which is bidirectionally connected with the main control module and used for acquiring original motion state signals in the transverse and longitudinal directions generated by the seat when a human body sits on the seat and transmitting the original motion state signals to the main control module to process the original motion state signals to form motion state signals.
When a human body sits on the seat, transverse and longitudinal motions (such as movement, shaking, lifting and the like) generated by the seat can frequently occur, if the capacitance acquisition module still performs acquisition and analysis according to the original mode under the condition, sign data errors are easily caused, the three-axis acceleration sensing module can acquire the transverse and longitudinal motion conditions of the seat, abnormal motions (such as movement, shaking, lifting and the like) at the moment can be compensated, offset, discarded and the like when analysis is performed, the output of wrong sign data results is avoided, accurate sign data measurement results are always obtained, and the main control module controls the detection parameters of the three-axis acceleration sensing module at the same time.
Preferably, the main control module is bidirectionally connected with the triaxial acceleration sensing module and the power supply module, the output end of the main control module is connected with the input end of the optical fiber transceiving module, the input end of the main control module is connected with the output end of the filtering module and the output end of the signal amplifying module, and the main control module is used for receiving and processing original sign signals, original sitting posture signals, original pressure signals and original motion state signals transmitted by the modules to obtain final sign data and sitting posture data of heartbeat frequency and respiratory frequency.
Processing the original sign signal, the original sitting posture signal, the original pressure signal and the original motion state signal through a main control module to obtain final accurate and stable sign data and sitting posture data; the main control module can also control the charging speed of the power supply module and the like.
Preferably, the intelligent control system comprises a Bluetooth wireless communication module, and the Bluetooth wireless communication module is in bidirectional connection with the main control module.
And interactive connection is realized, so that transmission of physical sign data and user check are facilitated.
Preferably, the bluetooth wireless communication module is used for transmitting the final physical sign data and the sitting posture data obtained by the main control module to a user terminal or a user terminal APP with bluetooth transmission equipment in real time or non-real time.
The user can conveniently view and store the information.
Preferably, the user terminal is a smart phone, a tablet computer or a notebook computer.
Adopted above-mentioned technical scheme the utility model discloses a design thought and beneficial effect are:
the utility model provides a can be suitable for multiple different situation (like human health action, seat removal, human weight difference, seat portion thickness etc.) and can accurate, real-time supervision sit measuring system of human sign. The utility model discloses a place the sign and the position of sitting collection module, pressure acquisition module, the motion state collection module of seat in and obtain the human original sign signal and original position of sitting signal, original pressure signal, the original motion state signal that correspond to through main control module processing analysis obtain human left bank, right bank, the position of sitting data and the optimal sign data (heartbeat frequency data and respiratory frequency data) that incline forward, back. Particularly, the utility model discloses first electric capacity sensing module has been synthesized, second electric capacity sensing module, third electric capacity sensing module produces the capacitance value, utilize optic fibre response pad and triaxial acceleration sensing module to carry out the auxiliary measurement, greatly reduced electric capacity collection module's the design degree of difficulty and required precision, can be dynamic according to the posture of reality, the environment, the condition such as weight carries out the screening of signal, handle, obtain the more accurate heartbeat frequency data and respiratory frequency data sign parameter and the sign measuring result of position of sitting data, and when optic fibre response pad and triaxial acceleration sensing module do not regard as the main sensor of sign measurement, the precision of optic fibre response die pad, the processing technology degree of difficulty, material requirement all is less than current optic fibre class sensor greatly.
Drawings
FIG. 1 is a schematic diagram illustrating the connection between modules of the system according to this embodiment;
FIG. 2 is a schematic cross-sectional view of the seat assembly of the present embodiment, showing the positions of the front surfaces (the upper seat portion and the lower seat portion), the first capacitive sensing module, the second capacitive sensing module, and the optical fiber sensing cushion;
FIG. 3 is a schematic structural diagram of a cross section between a side surface (an upper seat portion and a lower seat portion), a first capacitive sensing module, an optical fiber sensing cushion, a third capacitive sensing module, and a backrest of the seat of the present embodiment;
fig. 4 is a simplified schematic diagram of the workflow of the present embodiment.
Detailed Description
The specific implementation manner of the utility model is as follows:
example (b):
a sitting human body sign measuring system, as shown in figures 1-3, comprises
The physical sign and sitting posture acquisition module is connected with the main control module and used for acquiring original physical sign signals and original sitting posture signals of a human body;
the pressure acquisition module is connected with the main control module and used for acquiring an original pressure signal generated by a human body on the seat when the human body sits;
the motion state acquisition module is connected with the main control module and used for acquiring an original motion state signal generated by a human body on the seat when the human body sits;
the main control module is used for receiving and processing the original sign signals, the original sitting posture signals, the original pressure signals and the original motion state signals collected by the modules to obtain final sign data and sitting posture data of heartbeat frequency and respiratory frequency;
and the power supply module is connected with the main control module and supplies power to each module.
Structurally, the system specifically comprises sign and sitting posture acquisition modules (a first capacitance sensing module, a second capacitance sensing module, a third capacitance sensing module, a capacitance acquisition module, a signal amplifier), a pressure acquisition module (an optical fiber sensing pad, an optical fiber transceiver module, a filter module), a motion state acquisition module (a triaxial acceleration sensing module), a main control module and a power supply module, wherein the optical fiber sensing pad 4 is arranged at the middle position of a seat part (comprising an upper seat part 5 and a lower seat part 6) in the transverse direction, the first capacitance sensing module 1 and the second capacitance sensing module 2 are arranged at the left side and the right side above the optical fiber sensing pad 4, the first capacitance sensing module 1, the second capacitance sensing module 2 and the optical fiber sensing pad 4 are all arranged between the upper seat part 5 and the lower seat part 6, and the third capacitance sensing module 3 is arranged at a seat backrest 7, the rest capacitance acquisition modules, the signal amplifier, the optical fiber transceiving module, the filtering module, the triaxial acceleration sensing module, the power supply device and the main control module are integrated on a circuit board on the seat, wherein the optical fiber sensing pad is planar or quasi-planar, the thickness of the optical fiber sensing pad is 6mm, the optical fiber sensing pad comprises a silica gel bottom plate, an optical fiber fixedly arranged on the silica gel bottom plate and a silica gel sealing cover plate used for sealing and protecting the optical fiber, and the optical fiber is spirally or fence-shaped coiled and is fixed on the bottom plate by adhesive; the first capacitive sensor, the second capacitive sensor and the third capacitive sensor all comprise conductive materials with adjustable areas and planar or similar planar shapes.
Particularly, sign and position of sitting collection module includes first electric capacity sensing module, second electric capacity sensing module, electric capacity collection module and signal amplification module, first electric capacity sensing module, second electric capacity sensing module's output all connect gradually behind electric capacity collection module's the input, the input of signal amplification module to main control module's input.
When a human body sits on the seat, the distance between the human body sitting part and the first capacitance sensing module and the distance between the human body sitting part and the second capacitance sensing module correspondingly generate continuous different capacitance values, the capacitance acquisition module converts the continuous different capacitance values into continuous digital signals, and the continuous digital signals are amplified by the signal amplification module and then acquired into continuous original sign signals; when a human body sits, the first capacitance sensing module and the second capacitance sensing module acquire respective capacitance values, the capacitance acquisition modules convert the respective capacitance values into digital signals, the digital signals are amplified by the signal amplification module and then acquire original sitting posture signals, and the main control module analyzes and processes the signals and acquires final sitting posture data of the human body leaning to the left or the right; sign and position of sitting collection module still includes third electric capacity sensing module, the input of electric capacity collection module is connected gradually to the output of third electric capacity sensing module, be connected to main control module's input behind the input of signal amplification module, when human back acted on third electric capacity sensing module, it forms the capacitance value that corresponds, electric capacity collection module turns into digital signal with this capacitance value, gather original position of sitting signal after signal amplification module enlargies, main control module gathers the final position of sitting data that the human body leaned forward or leaned backward after the analysis and processing.
The pressure acquisition module comprises an optical fiber sensing pad, an optical fiber transceiving module and a filtering module, the optical fiber sensing pad is in bidirectional connection with the optical fiber transceiving module, the output end of the optical fiber transceiving module is connected with the input end of the filtering module and then is connected to the input end of the main control module, and the pressure acquisition module acquires an original pressure signal acted on the optical fiber sensing pad by a human body by utilizing light loss generated by optical fiber deformation of the optical fiber sensing pad; the input end of the optical fiber transceiving module is connected with the output end of the main control module, the optical fiber transceiving module specifically comprises a light emitting unit and a light receiving unit, the main control module controls the light emitting unit to emit light, the light emitting unit, the optical fiber sensing pad and the light receiving unit form a loop, and original pressure signals acted on the optical fiber sensing pad by a human body are collected through light loss formed by light emitting and light receiving; and the filtering module is used for filtering clutter from the original pressure signal acquired by the optical fiber transceiving module and transmitting the filtered pressure signal to the main control module to form a pressure signal.
The motion state acquisition module comprises a triaxial acceleration sensing module which is in two-way connection with the main control module and is used for acquiring original motion state signals in the transverse and longitudinal directions generated by a human body when the human body sits on the seat and transmitting the original motion state signals to the main control module to process the original motion state signals to form motion state signals, and the main control module is used for adjusting detection parameters of the triaxial acceleration sensing module.
The main control module is connected with the triaxial acceleration sensing module and the power supply module in a two-way mode, the output end of the main control module is connected with the input end of the optical fiber transceiving module, the input end of the main control module is connected with the output end of the filtering module and the output end of the signal amplification module, and the main control module is used for receiving and processing original sign signals, original sitting posture signals, original pressure signals and original motion state signals transmitted by the modules to obtain final sign data and sitting posture data of heartbeat frequency and respiratory frequency.
The Bluetooth wireless communication module is in bidirectional connection with the main control module; the Bluetooth wireless communication module is used for transmitting final sign data and sitting posture data obtained by the main control module to the APP of the mobile phone at the user terminal with the Bluetooth transmission equipment in real time or non-real time.
The utility model discloses the basic flow of function does: as shown in figure 4 of the drawings,
s1: when a human body sits on the seat part, the human body acts on the first capacitance sensing module, the second capacitance sensing module, the optical fiber sensing pad, the three-axis acceleration sensing module and the third capacitance sensing module at the same time;
s2: the method comprises the steps that original sign signals and original sitting posture signals inclining to the left or right are collected through a first capacitance sensing module and a second capacitance sensing module;
collecting original pressure signals through an optical fiber sensing pad;
acquiring an original motion state signal through a triaxial acceleration sensing module;
collecting an original sitting posture signal inclining forwards or backwards through a third capacitance sensing module in the backrest;
s3: analyzing and processing the original sign signals, the original sitting posture signals, the original pressure signals and the original motion state signals in the S2 through the main control module to obtain sitting posture data and optimal sign data;
s4: and the final sign data and the sitting posture data obtained by the analysis and the processing of the main control module are transmitted to a user terminal with Bluetooth transmission equipment for a user to check and store.
The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (13)
1. A system for measuring physical signs while sitting, comprising:
the physical sign and sitting posture acquisition module is connected with the main control module and used for acquiring original physical sign signals and original sitting posture signals of a human body;
the pressure acquisition module is connected with the main control module and used for acquiring an original pressure signal generated by a human body on the seat when the human body sits;
the motion state acquisition module is connected with the main control module and used for acquiring an original motion state signal generated by a human body on the seat when the human body sits;
the main control module is used for receiving and processing the original sign signals, the original sitting posture signals, the original pressure signals and the original motion state signals collected by the modules to obtain final sign data and sitting posture data of heartbeat frequency and respiratory frequency;
and the power supply module is connected with the main control module and supplies power to each module.
2. The system for measuring human body signs while sitting according to claim 1, wherein the sign and sitting posture collection module comprises a first capacitance sensing module, a second capacitance sensing module, a capacitance collection module and a signal amplification module, and output ends of the first capacitance sensing module and the second capacitance sensing module are connected to an input end of the capacitance collection module and an input end of the signal amplification module in sequence and then connected to an input end of the main control module.
3. The sitting human body sign measurement system according to claim 2, wherein when a human body sits on the seat, the distance between the sitting portion and the first capacitive sensing module and the distance between the sitting portion and the second capacitive sensing module generate continuous different capacitance values, the capacitance acquisition module converts the continuous different capacitance values into continuous digital signals, and the continuous digital signals are amplified by the signal amplification module and then acquired as continuous original sign signals.
4. The sitting human body sign measurement system according to claim 2, wherein when a human body sits, the first capacitance sensing module and the second capacitance sensing module acquire respective capacitance values, the capacitance acquisition modules convert the respective capacitance values into digital signals, the digital signals are amplified by the signal amplification module and then acquired original sitting posture signals, and the main control module analyzes and processes the signals and acquires final sitting posture data of the human body when the human body leans to the left or right.
5. The system for measuring physical signs of a sitting person according to claim 2, wherein the sign and sitting posture collection module further comprises a third capacitive sensing module, an output end of the third capacitive sensing module is sequentially connected with an input end of the capacitive collection module and an input end of the signal amplification module and then connected to an input end of the main control module, when a backrest of the sitting person acts on the third capacitive sensing module, a corresponding capacitance value is formed, the capacitance collection module converts the capacitance value into a digital signal, the digital signal is amplified by the signal amplification module and then an original sitting posture signal is collected, and the main control module analyzes and processes the obtained final sitting posture data of the sitting person leaning forward or backward.
6. The system for measuring physical signs of a person sitting on a chair as claimed in claim 1, wherein the pressure acquisition module comprises an optical fiber sensing pad, an optical fiber transceiver module and a filter module, the optical fiber sensing pad is bidirectionally connected to the optical fiber transceiver module, an output end of the optical fiber transceiver module is connected to an input end of the filter module and then connected to an input end of the main control module, and the pressure acquisition module acquires an original pressure signal of the person acting on the optical fiber sensing pad by using optical loss generated by optical fiber deformation of the optical fiber sensing pad.
7. The system for measuring physical signs of a sitting person as claimed in claim 6, wherein the input end of the optical fiber transceiver module is connected to the output end of the main control module, and specifically comprises a light emitting unit and a light receiving unit, the main control module controls the light emitting unit to emit light, the light emitting unit, the optical fiber sensing pad and the light receiving unit form a loop, and an original pressure signal applied to the optical fiber sensing pad by the human body is collected through light loss formed by light emitting and light receiving.
8. The system of claim 7, wherein the filtering module is configured to filter out clutter from the raw pressure signal collected by the fiber transceiver module and transmit the filtered raw pressure signal to the main control module to form the pressure signal.
9. The system for measuring physical signs of a person sitting in a chair according to claim 1, wherein the motion state acquisition module comprises a three-axis acceleration sensing module, which is bidirectionally connected to the main control module, and is configured to acquire original motion state signals in the transverse and longitudinal directions generated by the person sitting in the chair, and transmit the signals to the main control module for processing to form the motion state signals.
10. The system for measuring physical signs of a sitting person according to claim 1, wherein the main control module is bidirectionally connected to the triaxial acceleration sensing module and the power module, an output end of the main control module is connected to an input end of the optical fiber transceiver module, an input end of the main control module is connected to an output end of the filter module and an output end of the signal amplification module, and the main control module is configured to receive and process the original physical sign signals, the original sitting posture signals, the original pressure signals and the original motion state signals transmitted by the modules to obtain final physical sign data of heartbeat frequency and respiratory frequency and sitting posture data.
11. A system for measuring physical signs of a sitting person as claimed in claim 1, comprising a Bluetooth wireless communication module, wherein the Bluetooth wireless communication module is connected with the main control module in a bidirectional manner.
12. The system for measuring physical signs of a person sitting on a chair as claimed in claim 11, wherein the bluetooth wireless communication module is configured to transmit the final physical sign data and sitting posture data obtained by the main control module to the user terminal or the user terminal APP with the bluetooth transmission device in real time or non-real time.
13. The system for measuring physical signs of a person sitting in a chair according to claim 12, wherein the user terminal is a smart phone, a tablet computer or a notebook computer.
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| CN201920175789.2U CN210144638U (en) | 2019-01-31 | 2019-01-31 | Human body sign measurement system during sitting |
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| CN201920175789.2U CN210144638U (en) | 2019-01-31 | 2019-01-31 | Human body sign measurement system during sitting |
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