CN105997040B - A kind of heart rate sensor detection device and method - Google Patents
A kind of heart rate sensor detection device and method Download PDFInfo
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- CN105997040B CN105997040B CN201610593892.XA CN201610593892A CN105997040B CN 105997040 B CN105997040 B CN 105997040B CN 201610593892 A CN201610593892 A CN 201610593892A CN 105997040 B CN105997040 B CN 105997040B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
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Abstract
The present invention relates to the technical field of heart rate detection, a kind of heart rate sensor detection device and method are referred in particular to.It includes device noumenon and heart rate sensor LED；The connector for being electrically connected with heart rate sensor LED is provided in described device ontology；Described device ontology includes that power module, the detection module of luminous intensity for collecting and detecting heart rate sensor LED sending and the USB for connector to be electrically connected with the detection module turn serial port module, and the detection module is electrically connected with the power module.The present invention turns serial port module by power module, the detection module of intensity of reflected light for collecting and detecting the light that heart rate sensor LED is issued and the USB for connector to be electrically connected with the detection module, the detection module is electrically connected to test the performance of heart rate sensor with the power module, its measuring accuracy is high, and whether the performance of energy accurate judgement heart rate sensor is qualified, work efficiency is high.
Description
Technical field
The present invention relates to the technical field of heart rate detection, a kind of heart rate sensor detection device and method are referred in particular to.
Background technique
Currently, production line is often difficult to testing product assembling quality when assembling heart rate sensor, heart rate measurement mould is caused
Consistency is poor when leaving the factory for block, and accuracy is not high, directly influences the real experiences of user, and existing detection technique can only be tested
Demonstrate,prove basic function, it is difficult to verify the performance of product.
Summary of the invention
The present invention provides that a kind of heart rate measurement precision is high, tests heart rate sensor performance for problem of the prior art
The heart rate sensor detection device and method of card.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of heart rate sensor detection device provided by the invention, including device noumenon and heart rate sensor LED；The dress
Set the connector being provided in ontology for being electrically connected with heart rate sensor LED；
Described device ontology includes power module, for collecting and detecting heart rate sensor LED luminescence emissions to reflection
The detection module of intensity of reflected light behind face and USB for connector to be electrically connected with the detection module turn serial ports mould
Block, the detection module are electrically connected with the power module.
Wherein, described device ontology is provided with the box body for placing heart rate sensor LED, successively installs in the box body
There are insulation patch, foam, metal cover and sheet glass, the sheet glass is located at the lower section of insulation patch.
Wherein, the groove for installing box body is additionally provided on described device ontology, be provided on the box body block it is recessed
The convex block of slot.
Wherein, the fixed link for fixing the box body is also equipped on described device ontology.
Wherein, the detection module includes MCU, and the MCU includes for receiving heart rate sensor LED luminescence emissions
The optical receiving sensor of reflected light after to reflecting surface, the Acquisition Circuit for acquiring optical receiving sensor data, it is described to adopt
Collector is electrically connected with optical receiving sensor.
Wherein, first for storing the collected data of Acquisition Circuit under different light intensity respectively is provided in the MCU
Storage channel, the second storage channel, third storage channel and the 4th storage channel.
Wherein, it includes PL2303 chip that the USB, which turns serial port module, and the PL2303 chip is provided with pin VCC, pipe
Foot USBDM and pin USBDP, the pin VCC are connect with one end of capacitor C1, the other end ground connection of capacitor C1, the capacitor
C1 is parallel with capacitor C2；The pin USBDM is connect with one end of resistance R3, the other end of the resistance R3 and the one of capacitor C4
End connection, the other end ground connection of the capacitor C4, the capacitor C4 are parallel with static suppressor D5；The pin USBDP and electricity
One end connection of R4 is hindered, the other end of the resistance R4 is connect with one end of capacitor C5, the other end ground connection of the capacitor C5, institute
It states capacitor C5 and is parallel with static suppressor D4.
A kind of heart rate sensor detection method, comprising the following steps:
A, when heart rate sensor needs to be detected, MCU control heart rate sensor LED emits beam；
B, the light emitting that the heart rate sensor LED is issued to reflecting surface, the optical receiving sensor receive reflected light
Information；
C, the information for the reflected light that Acquisition Circuit acquisition optical receiving sensor receives, MCU to reflected light information into
After traveling wave shape signal processing, by intensity of reflected light information preservation to the first storage channel；
D, the MCU control heart rate sensor LED scale up or reduce the intensity of transmitting light, and Acquisition Circuit acquires light
The information for the reflected light that receiving sensor receives, after MCU carries out waveform signal processing to reflected light information, by intensity information
It saves to the second storage channel；
E repeats step d, intensity information is saved to third storage channel；
F repeats step d, intensity information is saved to the 4th storage channel；
G, the MCU analyze the number of the first storage channel, the second storage channel, third storage channel and the 4th storage channel
According to being analyzed, if analysis result meets preset standard, detection passes through, otherwise detects and do not pass through.
Wherein, preset standard described in step g are as follows: the first storage channel, the second storage channel, third storage channel and
The data of four storage channels successively at etc. compare relationship.
Beneficial effects of the present invention:
A kind of heart rate sensor detection device and method provided by the invention, by power module, for collecting and detecting
The detection module of intensity of reflected light after heart rate sensor LED luminescence emissions to reflecting surface and for by connector and the inspection
The USB for surveying module electrical connection turns serial port module, and the detection module is electrically connected to test heart rate sensor with the power module
Performance, measuring accuracy is high, and can accurate judgement heart rate sensor performance it is whether qualified, work efficiency is high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of heart rate sensor detection device of the invention.
Fig. 2 is a kind of structural decomposition diagram of heart rate sensor detection device of the invention.
Fig. 3 is the schematic diagram of the embodiment of the present invention 1.
Fig. 4 is the schematic diagram of the embodiment of the present invention 2.
Fig. 5 is the circuit diagram that USB of the invention turns serial port module.
Fig. 6 is the circuit diagram of connector of the invention.
Fig. 7 is the circuit diagram of MCU of the invention.
Include: in appended drawing reference of the Fig. 1 into Fig. 7
1-device noumenon 2-heart rate sensor, 3-groove of LED
4-5-box body of convex block, 6-insulation patches
7-foam 8-sheet glass, 9-metal covers
10-fixed links.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.The present invention is described in detail below in conjunction with attached drawing.
A kind of heart rate sensor detection device of the present invention, including device noumenon 1 and heart rate sensor LED2；It is described
The connector for being electrically connected with heart rate sensor LED2 is provided in device noumenon 1；Described device ontology 1 includes power supply mould
Block, detection module and use for collecting and detecting the intensity of reflected light after heart rate sensor LED2 luminescence emissions to reflecting surface
Turn serial port module in the USB for being electrically connected connector with the detection module, the detection module is electrically connected with the power module
It connects.Specifically, one end of the connector is electrically connected with the heart rate sensor LED2, and the other end of the connector passes through
USB turns serial port module and connect with the detection module, and the USB turns serial port module and realizes heart rate sensor LED2 and detection mould
Block connection realizes that the signal of heart rate sensor LED2 is transferred to detection module, and the signal of detection module is transferred to heart rate sensor
LED2；The detection module control heart rate sensor LED2 shines, and the detection module detection heart rate sensor LED2, which shines, to be sent out
Intensity of reflected light after being mapped to reflecting surface simultaneously carries out waveform signal processing to it, obtains intensity information, and by information preservation, leads to
The internal arithmetic for crossing detection module obtains data to determine whether to meet the standard being pre-designed；The power module is the inspection
Survey module, USB turns serial port module, connector, heart rate sensor LED2 provide power supply；Waveform signal is carried out to the information of reflected light
Processing uses fir filter, and the fir filter is the prior art.The testing principle that the present invention uses are as follows: when light is emitted to
Transmitting light can be generated when on human skin, and because the blood of human body has absorption, each heart to the light of specific wavelength
Skin all can be obtained by wave by the light absorption of the wavelength, therefore by real-time measurement reflected light when bounce, i.e. cardiac pumping
Shape signal, so that it is determined that cardiac rate.In light emitting to reflecting surface of the present invention using heart rate sensor LED2 sending, the reflection
There is an absorption in face of the light of certain wavelength, after the light emitting to reflecting surface that heart rate sensor LED2 is issued, detection module is real-time
Measurement reflected light obtains waveform signal, so that it is determined that whether heart rate sensor is normal.
A kind of heart rate sensor detection device of the present invention, such as Fig. 2, described device ontology 1 are provided with for placing
The box body 5 of heart rate sensor LED2；Insulation patch 6, foam 7, metal cover 9 and sheet glass 8, institute are sequentially installed in the box body 5
State the lower section that sheet glass 8 is located at insulation patch 6.Heart rate sensor LED is placed on the sheet glass 8；Specifically, the foam 7 rises
To the effect of a buffering decompression, prevent measured object by biggish pressure, it is tested that the insulation patch 6 can prevent electric current from influencing
The test accuracy of object.
A kind of heart rate sensor detection device of the present invention is additionally provided with for mounting box on described device ontology 1
The groove 3 of body 5 is provided with the convex block 4 for blocking groove 3 on the box body 5.Specifically, box body 5 is installed using the groove 3, it can
To guarantee that box body 5 is not easy to loosen, while convex block 4 blocks groove 3, is further ensured that the stability of box body 5, guarantees stable testing
Property.
A kind of heart rate sensor detection device of the present invention is also equipped with for fixing on described device ontology 1
State the fixed link 10 of box body 5.Specifically, box body 5 is further preferably fixed in device noumenon 1 by the fixed link 10.
One end of the fixed link 10 is fixed in device noumenon 1, and the other end of the fixed link pushes down box body 5, prevents box body 5 from shaking
It is dynamic, guarantee its stability.
A kind of heart rate sensor detection device of the present invention, the detection module includes MCU, and the MCU includes
There is the optical receiving sensor for receiving the reflected light after heart rate sensor LED2 luminescence emissions to reflecting surface, connect for acquiring light
The Acquisition Circuit of sensing data is received, the Acquisition Circuit is electrically connected with optical receiving sensor.The Acquisition Circuit is existing
A kind of sample circuit.
A kind of heart rate sensor detection device of the present invention is provided in the MCU and does not share the same light for storing respectively
The first storage channel, the second storage channel, third storage channel and the 4th storage of the strong lower collected data of Acquisition Circuit are led to
Road.
A kind of heart rate sensor detection device of the present invention, it includes PL2303 chip that the USB, which turns serial port module,
The PL2303 chip is provided with pin VCC, pin USBDM and one end of pin USBDP, the pin VCC and capacitor C1 connect
It connects, the other end ground connection of capacitor C1, the capacitor C1 is parallel with capacitor C2；The pin USBDM is connect with one end of resistance R3,
The other end of the resistance R3 is connect with one end of capacitor C4, and the other end ground connection of the capacitor C4, the capacitor C4 is parallel with
Static suppressor D5；The pin USBDP is connect with one end of resistance R4, the other end of the resistance R4 and one end of capacitor C5
Connection, the other end ground connection of the capacitor C5, the capacitor C5 are parallel with static suppressor D4.Specifically, when from introduce voltage
It is more than static suppressor D4 or the corresponding trigger voltage of static suppressor D5 when introducing voltage when turning serial port module by USB, it is quiet
Electric suppressor just discharges rapidly over the ground, to protect the safety of integrated circuit and IC.
Specifically, embodiment 1 is provided with a heart rate sensor LED2, described device ontology in the box body 5 such as Fig. 3
1 is equipped with an optical receiving sensor, and the MCU control heart rate sensor LED2, which emits beam, is emitted to reflecting surface back reflection,
The optical receiving sensor receives reflection light strength information, and is sent in Acquisition Circuit, and the Acquisition Circuit is by reflected light
After strength information is sent to MCU progress waveform processing, the MCU is stored data into the first storage channel；
The MCU control heart rate sensor LED2 enhances light in proportion or reduces intensity, and the optical receiving sensor connects
Receive light intensity information, and be sent in Acquisition Circuit, the Acquisition Circuit by the light intensity information of enhancing be sent to MCU into
After row waveform processing, the MCU is stored data into the second storage channel；The rest may be inferred, by subsequent enhancing or reduced light
Line intensity information data is stored into respectively in third storage channel and the 4th storage channel.
Specifically, embodiment 2 are provided with 1 heart rate sensor LED2, described device ontology 1 in the box body 5 such as Fig. 4
4 optical receiving sensors are installed to be received, the corresponding storage channel of each optical receiving sensor, the MCU controls the heart
Rate sensor LED2, which emits beam, is emitted to reflecting surface back reflection, and the optical receiving sensor receives intensity of reflected light information, and
It is sent in Acquisition Circuit, after intensity of reflected light information is sent MCU progress waveform processing by the Acquisition Circuit, the MCU
It stores data into corresponding storage channel.
A kind of heart rate sensor detection method, comprising the following steps:
A, when heart rate sensor needs to be detected, MCU control heart rate sensor LED2 emits beam；
B, the light emitting that the heart rate sensor LED2 is issued to reflecting surface, the optical receiving sensor receive reflected light
Information；
C, the information for the reflected light that the Acquisition Circuit acquisition optical receiving sensor receives believe reflected light by MCU
After breath carries out waveform signal processing, by intensity of reflected light information preservation to the first storage channel；
D, the MCU control heart rate sensor LED2 scale up or reduce the intensity of transmitting light, Acquisition Circuit acquisition
The information for the reflected light that optical receiving sensor receives believes luminous intensity after MCU carries out waveform signal processing to reflected light information
Breath is saved to the second storage channel；
E repeats step d, intensity information is saved to third storage channel；
F repeats step d, intensity information is saved to the 4th storage channel；
G, the MCU analyze the number of the first storage channel, the second storage channel, third storage channel and the 4th storage channel
According to being analyzed, if analysis result meets preset standard, detection passes through, otherwise detects and do not pass through.
Wherein preset standard described in step g are as follows: the first storage channel, the second storage channel, third storage channel and
The data of four storage channels successively at etc. compare relationship.
Specifically, whether detection adjacent passages data ratio approaches, such as the first storage channel and the second storage channel
Ratio whether be approximately equal to or equal to the second storage channel and third storage channel ratio, the second storage channel and third storage are logical
The ratio in road whether be approximately equal to or equal to third storage channel and the 4th storage channel ratio, the first storage channel with second storage
The ratio for depositing channel whether be approximately equal to or equal to third storage channel and the 4th storage channel ratio, if being to be, heart rate
Sensor meets preset standard；
For example, the numerical value of the first storage channel is A under 25 milliamperes of electric currents, the number of the second storage channel under 50 milliamperes of electric currents
Value is B, and the numerical value of third storage channel is C under 100 milliamperes of electric currents, and the numerical value of the 4th storage channel is D under 200 milliamperes of electric currents,
If B/A is approximately equal to or is equal to C/B, C/B is approximately equal to or is approximately equal to equal to D/A or is equal to 2, then ratio establishment is full at equal than relationship
The sufficient preset standard of heart rate sensor.
It is set on the device of the invention ontology and is additionally provided with display screen, after the display screen can test heart rate sensor
As a result it is transferred on display screen, is recognized convenient for operator, the display screen is electrically connected with power module.
The above is only present pre-ferred embodiments, is not intended to limit the present invention in any form, although
The present invention is disclosed as above with preferred embodiment, and however, it is not intended to limit the invention, any person skilled in the art,
It does not depart within the scope of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent change
The equivalent embodiment of change, but without departing from the technical solutions of the present invention, technology refers to above embodiments according to the present invention
Made any simple modification, equivalent change and modification, belong in the range of technical solution of the present invention.
Claims (7)
1. a kind of heart rate sensor detection method, which is characterized in that including device noumenon and heart rate sensor LED；Described device
The connector for being electrically connected with heart rate sensor LED is provided in ontology；
Described device ontology include power module, for collect and detect heart rate sensor LED sending light emitting to reflect
The detection module of intensity of reflected light behind face and USB for connector to be electrically connected with the detection module turn serial ports mould
Block, the detection module are electrically connected with the power module；
The detection module includes MCU, and the MCU includes for receiving heart rate sensor LED luminescence emissions to reflecting surface
The optical receiving sensor of reflected light afterwards, the Acquisition Circuit for acquiring optical receiving sensor data, the Acquisition Circuit and light
Receiving sensor electrical connection；
The first storage for storing the collected data of Acquisition Circuit under reflected light difference light intensity respectively is provided in the MCU
Channel, the second storage channel, third storage channel and the 4th storage channel；
It is described that detection method includes the following steps:
A, when heart rate sensor needs to be detected, MCU control heart rate sensor LED emits beam；
B, the light emitting that the heart rate sensor LED is issued to reflecting surface, optical receiving sensor receive the information of reflected light；
C, the information for the reflected light that the Acquisition Circuit acquisition optical receiving sensor receives, MCU carry out wave to reflected light information
After shape signal processing, intensity information is saved to the first storage channel；
D, the MCU control heart rate sensor LED scale up or reduce the intensity of transmitting light, and Acquisition Circuit acquires light-receiving
The information for the reflected light that sensor receives protects intensity information after MCU carries out waveform signal processing to reflected light information
It deposits to the second storage channel；
E repeats step d, intensity information is saved to third storage channel；
F repeats step d, intensity information is saved to the 4th storage channel；
G, the MCU carry out the data of the first storage channel, the second storage channel, third storage channel and the 4th storage channel
Analysis, if analysis result meets preset standard, detection passes through, otherwise detects and do not pass through.
2. a kind of heart rate sensor detection method according to claim 1, which is characterized in that pre- bidding described in step g
It is quasi- are as follows: the first storage channel, the second storage channel, the data of third storage channel and the 4th storage channel are successively at grade ratio pass
System.
3. a kind of heart rate sensor detection device, it is characterised in that: including device noumenon and heart rate sensor LED；Described device
The connector for being electrically connected with heart rate sensor LED is provided in ontology；
Described device ontology include power module, for collect and detect heart rate sensor LED sending light emitting to reflect
The detection module of intensity of reflected light behind face and USB for connector to be electrically connected with the detection module turn serial ports mould
Block, the detection module are electrically connected with the power module；
The detection module includes MCU, and the MCU includes for receiving heart rate sensor LED luminescence emissions to reflecting surface
The optical receiving sensor of reflected light afterwards, the Acquisition Circuit for acquiring optical receiving sensor data, the Acquisition Circuit and light
Receiving sensor electrical connection；
The first storage for storing the collected data of Acquisition Circuit under reflected light difference light intensity respectively is provided in the MCU
Channel, the second storage channel, third storage channel and the 4th storage channel.
4. a kind of heart rate sensor detection device according to claim 3, it is characterised in that: described device ontology is provided with
For placing the box body of heart rate sensor LED, insulation patch, foam, metal cover and sheet glass, institute are sequentially installed in the box body
State the lower section that sheet glass is located at insulation patch.
5. a kind of heart rate sensor detection device according to claim 4, it is characterised in that: on described device ontology also
It is provided with the groove for installing box body, the convex block for blocking groove is provided on the box body.
6. a kind of heart rate sensor detection device according to claim 4, it is characterised in that: also pacify on described device ontology
Equipped with the fixed link for fixing the box body.
7. a kind of heart rate sensor detection device according to claim 3, it is characterised in that: the USB turns serial port module
It include PL2303 chip, the PL2303 chip is provided with pin VCC, pin USBDM and pin USBDP, the pin VCC
It is connect with one end of capacitor C1, the other end ground connection of capacitor C1, the capacitor C1 is parallel with capacitor C2；The pin USBDM with
One end of resistance R3 connects, and the other end of the resistance R3 is connect with one end of capacitor C4, the other end ground connection of the capacitor C4,
The capacitor C4 is parallel with static suppressor D5；The pin USBDP is connect with one end of resistance R4, and the resistance R4's is another
End is connect with one end of capacitor C5, and the other end ground connection of the capacitor C5, the capacitor C5 is parallel with static suppressor D4.
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| CN110522437A (en) * | 2019-09-04 | 2019-12-03 | 华勤通讯技术有限公司 | A kind of test device and test method |
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| CN102750015A (en) * | 2011-04-22 | 2012-10-24 | 鸿富锦精密工业（深圳）有限公司 | Mouse with physiological parameter measurement function |
| CN102890423B (en) * | 2011-07-20 | 2015-07-22 | 上海微电子装备有限公司 | Calibration device and calibration method for photoelectric detector |
| US9157773B2 (en) * | 2012-05-31 | 2015-10-13 | General Electric Company | Sensor validation method, patient monitor, physiological sensor, and computer program product for a patient monitor |
| WO2014052516A1 (en) * | 2012-09-30 | 2014-04-03 | Saint-Gobain Ceramics & Plastics, Inc. | Photosensor testing apparatus, a radiation detection apparatus including a photosensor and a method of selecting the photosensor for the radiation detection apparatus |
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| CN104964740B (en) * | 2015-06-19 | 2017-06-30 | 北京农业信息技术研究中心 | Photosynthetic effective light quantum sensor automatic detection, critique system and method |
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| CN206675518U (en) * | 2016-07-26 | 2017-11-28 | 佳禾智能科技股份有限公司 | A kind of heart rate sensor detection means |
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Address after: Industrial Road, Songshan Lake high tech Industrial Development Zone, Guangdong city of Dongguan province No. 6 523808 1 5 floor Applicant after: Jiahe intelligent Polytron Technologies Inc Address before: Industrial Road, Songshan Lake high tech Industrial Development Zone, Guangdong city of Dongguan province No. 6 523808 1 5 floor Applicant before: COSONIC ACOUSTIC TECHNOLOGY CO., LTD. |
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