CN109875572A - A kind of physiological parameter measurement mechanism and method - Google Patents
A kind of physiological parameter measurement mechanism and method Download PDFInfo
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- CN109875572A CN109875572A CN201811328655.6A CN201811328655A CN109875572A CN 109875572 A CN109875572 A CN 109875572A CN 201811328655 A CN201811328655 A CN 201811328655A CN 109875572 A CN109875572 A CN 109875572A
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Abstract
The present embodiments relate to field of optical measuring technologies, a kind of physiological parameter measurement mechanism and method are disclosed.Wherein, which includes: laser light source module, including first laser light source and second laser light source, and first laser light source is for emitting first laser, and second laser light source is for emitting second laser；Optical detection module, for receiving the optical signal that organism returns, and convert optical signal into output electric signal after first laser and second laser irradiation organism；Temperature collecting module, for acquiring the temperature information of laser light source module in real time；Control module is connect with optical detection module and temperature collecting module respectively, for calculating the physiological parameter of organism according to output electric signal, temperature information and preset temperature compensated curve.In the above manner, the present embodiment using laser light source replace LED source, and can calibration light source temperature change caused by error, keep measurement result more accurate.
Description
Technical field
The present embodiments relate to field of optical measuring technologies, more particularly to a kind of physiological parameter measurement mechanism and side
Method.
Background technique
Photoplethysmo graph technology is a kind of non-invasive measuring technique, detects the reflection after blood of human body and tissue resorption
The difference of luminous intensity, and obtain inductive signal, so as to quickly and easily obtain the physiological parameter of organism, such as heartbeat,
Breathing, the oxygen content of blood etc..Therefore, the physiological parameter detecting device based on photoplethysmo graph technology is widely used.
Current medical blood oxygen detection device mostly uses greatly transmission-type detection mode, this detection mode usually requires to pass through
Clipping arrangement is detected, for example, being clipped in finger, toe or ear, significantly limits the use scope of blood oxygen detection device.
And reflective detection mode Relative Transmission formula detection mode has technical advantage, reflective devices can be at each position of body
It uses, it is more comfortable compared to clipping arrangement user experience.
The present inventor has found during realizing the embodiment of the present invention: current reflective physiological parameter measurement
For device using LED light as light source, range of exposures is big, affected by environment big, so that the error of measurement result is larger.
Summary of the invention
The embodiment of the present invention is mainly solving the technical problems that provide a kind of physiological parameter measurement mechanism and method, using swashing
Radiant replaces LED light source, and changes caused error by temperature collecting module calibration light source temperature, and measurement can be made to tie
Fruit is more accurate.
In order to solve the above technical problems, a technical solution used in the embodiment of the present invention is: providing a kind of physiological parameter
Measuring device, comprising: laser light source module, including first laser light source and second laser light source, the first laser light source are used
In transmitting first laser, the second laser light source for emitting second laser, the first laser and the second laser
Wavelength is different；Optical detection module, the optical detection module are used to irradiate organism in the first laser and the second laser
Afterwards, the optical signal that the organism returns is received, and converts output electric signal for the optical signal；Temperature collecting module is used
In the temperature information for acquiring the laser light source module in real time；Control module, respectively with the optical detection module and the temperature
Acquisition module connection, for calculating the life according to the output electric signal, the temperature information and preset temperature compensated curve
The physiological parameter of object.
Optionally, the optical detection module is photodiode array, and the second laser light source is set to described first and swashs
Between radiant and the optical detection module.
Optionally, the optical detection module is photodiode array, and the optical detection module is set to the first laser
Between light source and the second laser light source.
Optionally, the optical detection module is several concentric annular arrays, and each annular array surrounds described the
One laser light source, second laser light source setting, the diameter of each annular array are all different, also, each described
The trend that annular array increases according to diameter is set gradually outward by interior.
Optionally, described device further include: first shell and second shell；The first shell is impermeable described first sharp
The material of light, the second laser and visible light is prepared, and the first shell is equipped with accommodating chamber, the laser light source mould
Block, the optical detection module, the temperature collecting module are contained in the accommodating chamber, and the second shell is covered on described
First shell, the second shell are used to penetrate the first laser, the second laser, and returned through the organism
The optical signal, so that the optical signal is received by the optical detection module.
Optionally, described device further include: light-shielding structure；The light-shielding structure is the impermeable first laser and described the
The material of dual-laser is prepared, and the light-shielding structure is filled in the accommodating chamber, and is set to the laser light source module and institute
It states between optical detection module, the light-shielding structure is used to that the laser light source module and the optical detection module to be isolated, while not
Influence the transmitting of the laser light source module and the reception of the optical detection module optical signal.
Optionally, described device further include: wireless transport module；The wireless transport module and the control module connect
It connects, the wireless transport module is used for: wirelessly transmitting the physiological parameter for the organism that the control module calculates.
Optionally, the laser light source module, the optical detection module, the temperature collecting module, the control module
And the wireless transport module is integrated on same circuit board.
Optionally, the optical detection module includes: the first photodiode and the second photodiode, first photoelectricity
The distance between diode and second photodiode are first distance；The output electric signal include the first subsignal and
Second subsignal, the laser that first photodiode is used to return to the organism are converted into the first son letter
Number, the laser that second photodiode is used to return to the organism is converted into second subsignal；It is described
Control module is also used to: according to first subsignal, second subsignal and the first distance, calculating the organism
Sampling depth and sampling location.
In order to solve the above technical problems, another technical solution used in the embodiment of the present invention is: providing a kind of physiology ginseng
Number measurement method, applied to above-mentioned physiological parameter measurement mechanism, which comprises transmitting first laser and second laser,
The first laser is different with the wavelength of the second laser；Organism is irradiated in the first laser and the second laser
Afterwards, the optical signal that the organism returns is received, and converts output electric signal for the optical signal；Acquisition laser light source in real time
The temperature information of module；According to the output electric signal, the temperature information and preset temperature compensated curve, the biology is calculated
The physiological parameter of body.
The beneficial effect of the embodiment of the present invention is: being in contrast to the prior art, the embodiment of the present invention provides a kind of life
It manages parameter measuring apparatus and the different laser of two beam wavelength is emitted by setting laser light source module, irradiate life respectively in two beam laser
After object, optical detection module receives the optical signal that organism returns, and converts optical signal into output electric signal, temperature acquisition mould
Block acquires the temperature information of laser light source module in real time, and control module is mended according to output electric signal, temperature information and preset temperature
Curve is repaid, the physiological parameter of organism is calculated, LED light source, and energy are replaced using the relatively stable laser light source of optical property out
Error caused by enough being changed by temperature collecting module calibration light source temperature, can make measurement result more accurate.
Detailed description of the invention
One or more is implemented to illustrate by corresponding attached drawing, these exemplary illustrations are not constituted
Restriction to embodiment, the element in attached drawing with same reference numbers label is expressed as similar element, unless there are special Shen
Bright, composition does not limit the figure in attached drawing.
Fig. 1 is a kind of the functional block diagram of physiological parameter measurement mechanism provided in an embodiment of the present invention；
Fig. 2 a is the structural schematic diagram of the physiological parameter measurement mechanism of Fig. 1；
Fig. 2 b is the structural schematic diagram of another physiological parameter measurement mechanism provided in an embodiment of the present invention；
Fig. 2 c is the structural schematic diagram of another physiological parameter measurement mechanism provided in an embodiment of the present invention；
Fig. 2 d is the structural schematic diagram of provided in an embodiment of the present invention and another physiological parameter measurement mechanism；
Fig. 3 is the structural schematic diagram of the optical detection module of Fig. 1；
Fig. 4 is the functional module structure schematic diagram of the physiological parameter measurement mechanism of Fig. 2 a；
Fig. 5 is a kind of flow diagram of physiological parameter measurement method provided in an embodiment of the present invention.
Specific embodiment
To facilitate the understanding of the present invention, in the following with reference to the drawings and specific embodiments, the present invention will be described in more detail.
It should be noted that be expressed " being fixed on " another element when element, it can directly on the other element or therebetween
There may be one or more elements placed in the middle.When an element is expressed " connection " another element, it, which can be, directly connects
It is connected to another element or there may be one or more elements placed in the middle therebetween.Term used in this specification is " vertical
", " horizontal ", "left", "right", "upper", "lower", "inner", "outside", the instructions such as " bottom " orientation or positional relationship be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this hair
Bright limitation.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively heavy
The property wanted.
Unless otherwise defined, technical and scientific term all used in this specification is led with technology of the invention is belonged to
The normally understood meaning of the technical staff in domain is identical.It is specific to be intended merely to description for used term in the description of the invention
Embodiment purpose, be not intended to limitation the present invention.Term "and/or" used in this specification includes one or more phases
Any and all combinations of the listed item of pass.
In addition, as long as technical characteristic involved in invention described below difference embodiment is not constituted each other
Conflict can be combined with each other.
Current physiological parameter measurement mechanism (such as heartbeat, blood oxygen detection device) generally uses light emitting diode (LED)
As light source, but simultaneously because the light dispersion angle of LED light is big, sampling range is wide, is readily incorporated more ambient noises, and
It is easy to be affected by temperature in use process, so that measurement result causes large error, meanwhile, LED light is easy to produce spuious
Light, even if optical lens control optical path can be used, it is also desirable to complicated designs and manufactures process, and design difficulty is larger, also,
There are difference for the wavelength of the emission spectrum of the LED light of different batches and manufacturer, will also result in measurement error.
Based on this, the embodiment of the present invention provides a kind of physiological parameter measurement mechanism and method, by be provided optical property compared with
For stable laser light source module, LED light source is replaced using laser light source, and introduces temperature collecting module calibration light source temperature
Error caused by changing, can make measurement result more accurate.
Specifically, laser will be illustrated by embodiment below.
Referring to Fig. 1, being a kind of structural schematic diagram of physiological parameter measurement mechanism provided in an embodiment of the present invention.Such as Fig. 1
Shown, physiological parameter measurement mechanism 100 includes: laser light source module 110, optical detection module 120,130 and of temperature collecting module
Control module 140.
Wherein, also referring to Fig. 1 and Fig. 2 a, which is used to measure the physiology of organism 200
Parameter, for example, pulse, breathing, heartbeat, the oxygen content of blood etc..
Wherein, laser light source module 110 includes first laser light source 111 and second laser light source 112, first laser light source
111 for emitting first laser, and second laser light source 112 is for emitting second laser, the wavelength of first laser and second laser
Difference, optical detection module 120 are used for after first laser and second laser irradiation organism 200, receive what organism 200 returned
Optical signal, and output electric signal is converted optical signal into, temperature collecting module 130 for acquiring laser light source module 110 in real time
Temperature information, control module 140 connect with optical detection module 120 and temperature collecting module 130 respectively, and control module 140 is used
According to output electric signal, temperature information and preset temperature compensated curve, the physiological parameter of organism 200 is calculated.By above
Mode, physiological parameter measurement mechanism 100 can make measurement result more accurate.
Laser light source module 110 may include at least one or multiple laser light sources, wherein laser light source can be sharp
Optical diode, and/or vertical cavity surface-emitting laser etc..In the present embodiment, a referring to Figure 2 together, laser light source module
110 include: first laser light source 111 and second laser light source 112.The hair of first laser light source 111 and second laser light source 112
Direction is penetrated towards organism 200, first laser light source 111 is for emitting first laser, and second laser light source 112 is for emitting the
Dual-laser, so that the laser irradiation is to organism 200.Wherein, first laser is different with the wavelength of second laser, in the present embodiment
In, the wavelength of first laser is 600-750nm (red visible wave band), and the wavelength of second laser is greater than 850nm (infrared waves
Section).Wherein, first laser and second laser can emit transmitting when can also be different, in the present embodiment, first laser simultaneously
Emit simultaneously with second laser.By using laser light source, the dispersion angle of light source is reduced, avoids making the photosignal of generation
At interference, keep measurement result more accurate.
Optionally, in some other embodiments, first laser light source 111 and second laser light source 112 can be same
Laser light source, the laser light source can emit first laser at the first moment, emit second laser at the second moment, to emit
The laser of two kinds of different wave lengths.
Optical detection module 120 is the photodiode array for including at least two photodiodes, and array manner can be with
Linear type, the matrix type of NxN, with one heart multiple ring-like, annulus etc. (as shown in Figure 3) for 1xN.Optical detection module 120 is used for
After first laser and second laser irradiation organism 200, receive what organism 200 returned according to first laser and second laser
Optical signal, and convert optical signal into output electric signal and export to control module 140.Wherein, organism 200 receives first
It after laser and second laser, is reflected or is reflected, returned to optical signal and received by optical detection module 120.
Wherein, there are many positional relationships of optical detection module 120 and laser light source module 110, as long as laser light can be made
The laser that source module 110 emits can be received after organism 200 by optical detection module 120.In the present embodiment, such as
Shown in Fig. 2 a, first laser light source 111, second laser light source 112, optical detection module 120 are arranged successively setting, second laser light
Source 112 is set between first laser light source 111 and optical detection module 120.At this point, optical detection module 120 can be the matrix of NxN
Type photodiode array.
Optionally, in some other embodiments, as shown in Figure 2 b, optical detection module 120 is set to first laser light source 111
Between second laser light source 112.At this point, optical detection module 120 can be the matrix type photodiode array of NxN.
Optionally, in some other embodiments, as shown in Figure 2 c, optical detection module 120 is several concentric annular arrays,
Wherein, each annular array surrounds first laser light source 111, second laser light source 112, temperature collecting module 130 and is arranged, respectively
The diameter of a annular array is all different, also, the trend that each annular array increases according to diameter is set gradually outward by interior.
When 200 return laser light of organism, each annular array can receive the optical signal of return, to export output electric signal.
Optionally, in some other embodiments, as shown in Figure 2 d, optical detection module 120 is a circle ring array, the annulus
Array is arranged around first laser light source 111, second laser light source 112, temperature collecting module 130.Wherein, which can
To be divided into the annulus of four a quarters, the optical signal that organism 200 returns is received respectively.
Specifically, also referring to Fig. 3, optical detection module 120 includes two pole of the first photodiode 121 and the second photoelectricity
Pipe 122 is equipped with first distance between first photodiode 121 and the second photodiode 122.Exporting electric signal includes first
Subsignal and the second subsignal, laser of first photodiode 121 for organism 200 to return are converted into the first subsignal,
Second photodiode 122 is used to convert the second subsignal for the laser that organism returns.Optionally, optical detection module 120
It further include third photodiode 123, the first photodiode 121, the second photodiode 122, third photodiode 123
It is arranged successively, second distance, first distance and second is equipped between the second photodiode 122 and third photodiode 123
It is equidistant.Output electric signal further includes third subsignal, and third photodiode 123 is used for the laser that organism 200 returns
It is converted into third subsignal.In the above manner, topological optimization is carried out to optical detection module 120, to calculate the sampling of organism
Depth and sampling location information.
Temperature collecting module 130 can be made of temperature sensor, be arranged close to laser light source module 110, for real-time
Acquire the temperature information of laser light source module 110.For example, when optical detection module 120 and laser light source module 110 such as Fig. 2 a are arranged
When, temperature collecting module 130 can be set to side of the laser light source module 110 far from optical detection module 120, or be set to laser
The rear side of light source module 110；When such as Fig. 2 b is arranged for optical detection module 120 and laser light source module 110, temperature collecting module
130 can be respectively arranged on first laser light source 111 and the two sides of second laser light source 112, etc..
Optionally, temperature collecting module 130 may include that the first acquisition submodule and second acquire submodule (not shown),
First acquisition submodule is set to the side of first laser light source 111, and the first acquisition submodule is for acquiring first laser light source 111
The first temperature information, the second acquisition submodule is set to the side of second laser light source 112, and the second acquisition submodule is for acquiring
The second temperature information of second laser light source 112.First acquisition submodule and second acquisition submodule respectively with control module 140
Connection, is transmitted to control module 140 for the first temperature information and second temperature information.In the above manner, acquiring respectively
The temperature information of one laser light source 111 and second laser light source 112, with the luminous intensity respectively to first laser and second laser into
Row correction, to obtain more accurate measurement result.
Control module 140 may include processor, the specific integrated circuit (Application- with control processing function
Specific Integrated Circuit, ASIC), field-programmable gate array (Field Programmable Gate
Array, FPGA), single-chip microcontroller etc..Control module 140 is connect with optical detection module 120, temperature collecting module 130 respectively, control
Module 140 be used for according to optical detection module 120 export output electric signal, temperature collecting module 130 acquisition temperature information, with
And preset temperature compensated curve, calculate the physiological parameter of organism 200.
Wherein, due to laser light source module 110 is easy to be influenced by temperature (such as long periods of wear or persistently use can make
The temperature for obtaining laser light source module 110 increases) so that laser light source module 110 produces light beats, cause the power of reflected light
It changes, therefore, it is necessary to carry out temperature-compensating to output electric signal.Preset temperature compensated curve is pre-set not equality of temperature
To the compensation numerical value of output electric signal under degree, then according to output electric signal, temperature information and preset temperature compensated curve, calculate
The physiological parameter of organism, specific embodiment can be with are as follows: obtain in preset temperature compensated curve corresponding with temperature information
Offset calculates the physiological parameter of organism according to output electric signal and offset.
Optionally, in some other embodiments, preset temperature compensated curve can also be pre-set different temperatures
Under to the compensation numerical value of physiological parameter, then according to output electric signal, temperature information and preset temperature compensated curve, calculate biology
The physiological parameter of body, specific embodiment can be with are as follows: according to output electric signal, calculate the physiological parameter of organism, obtain and temperature
The corresponding offset of degree information obtains compensated physiological parameter according to the physiological parameter and offset of calculating.
Wherein, output is to different photodiodes after same laser is reflected or reflected by organism, according to not sharing the same light
The signal that electric diode receives is so as to calculating measurement position of the sample information in organism.Control module 140 is also
For: according to the first subsignal, the second subsignal and first distance, calculate sampling depth and the sampling location of organism.Wherein,
Sampling depth is the depth information of part for being reflected or being reflected in organism 200, sampling location be in organism 200 into
The partial horizontal positions information of row reflection or refraction.For example, it is assumed that the optical signal that organism returns, reflexes to the first photoelectricity two
Pole pipe and be converted to the first subsignal, refract to the second photodiode and be converted to the second subsignal, according to the first subsignal,
Two subsignals and first distance calculate distance of the return light signal location with respect to optical detection module, to obtain adopting for organism
Sample depth and sampling location.In the above manner, being able to use the measurement position that current physiology parameter measuring apparatus 100 is known at family
It sets, to carry out specific aim measurement.
Optionally, in some other embodiments, control module 140 is also used to: being believed according to the first subsignal, the second son
Number, third subsignal, first distance and second distance, calculate sampling depth and the sampling location of organism.Photodiode etc.
Distance setting, when the quantity of photodiode is more, the measurement position for the organism being calculated is more accurate.
Optionally, referring again to Fig. 1 and Fig. 4, physiological parameter measurement mechanism 100 can also include: wireless transport module
150.Wireless transport module 150 can include cellular network, narrowband Internet of Things (NB-IoT), the seine of long-range low-power consumption trailing plants to use
The module of one or more of network (LoRa) and the wireless transmission methods such as bluetooth and wifi.Wireless transport module 150 with
Control module 140 connects, and wireless transport module 150 is used for: the organism 200 that wirelessly transmission control module 140 calculates
Physiological parameter.Wireless transport module 150 is also used to connect with terminal, and the physiological parameter of organism 200 is passed through wireless parties
Formula is transmitted to terminal.Wherein, terminal can have for smart phone, smartwatch, Intelligent bracelet, computer, palm PC etc.
The electronic equipment of data processing function.
Wherein, control module 140 and wireless transport module 150 can integrate as a functional module, to reduce physiology
The power consumption of parameter measuring apparatus 100.
Optionally, referring again to Fig. 1, physiological parameter measurement mechanism 100 can also include: memory 160.Memory 160
It may include volatile memory, such as random access memory, such as static random access memory, double data rate synchronizes dynamic
State random access memory etc.；Memory also may include nonvolatile memory, such as flash memory, and hard disk or solid-state are hard
Disk, Electrically Erasable Programmable Read-Only Memory；Memory can also include the combination of the memory of mentioned kind.It can be in memory
It is stored with computer program (program of the physiological parameter of the organism such as calculated), computer instruction, operating system, number
According to, database etc..Memory can carry out partitioned storage to it.Memory 160 is connect with control module 140, control module 140
It is specifically used for: according to output electric signal, temperature information, preset temperature compensated curve and default computation model, calculates organism
Physiological parameter.Wherein, default computation model is the computation model for being stored in advance in each physiological parameter of memory 160, is preset
Computation model includes: pulse computation model, breathing computation model, heartbeat computation model, oxygen content of blood computation model etc., control
Module 140 calls each default computation model, in conjunction with output electric signal, to calculate the physiological parameter of bioagent.
Optionally, referring again to Fig. 2 a and Fig. 4, physiological parameter measurement mechanism 100 can also include: circuit board 170.Circuit
Plate 170 can be the printed circuit board of various flexibility or rigidities, glass support plate, multilayer ceramic substrate etc..Laser light source module
110, optical detection module 120, temperature collecting module 130, control module 140 are integrated on same circuit board 170, so that
The physiological parameter measurement mechanism 100 can realize wireless transmission function and facilitate wearable and mobile context application.Also, laser light
Source module 110, optical detection module 120 are set to the same side of circuit board 170, so that when physiological parameter measurement mechanism 100 is applied
When organism 200, laser light source module 110, optical detection module 120 are in the ipsilateral of organism 200.
Optionally, referring again to Fig. 2 a, physiological parameter measurement mechanism 100 can also include: first shell 181, second shell
Body 182 and light-shielding structure 183.
First shell 181 is prepared for light-proof material, the material of specially impermeable red light, infrared light and visible light
Material.First shell 181 is uncovered hollow shape, and first shell 181 is equipped with accommodating chamber (not indicating), laser light source module 110, light
Detecting module 120, temperature collecting module 130 are contained in the accommodating chamber.
Second shell 182 is prepared for translucent material, for example, organic glass, resin, silica gel material or having adjusting
The material etc. of optical path function.Wherein, second shell 182 at least allow two kinds of different wave lengths laser (such as infrared laser and
Non- infrared laser) it penetrates.Second shell 182 is covered in first shell 181, and second shell is used to penetrate first laser light source
111, first laser and second laser that second laser light source 112 emits, and through the optical signal that organism 200 returns, so that
The optical signal is received by optical detection module 120.
Light-shielding structure 183 is that the material of at least impermeable red light and infrared light is prepared, such as resin, plastics, rubber
Equal composite materials.Optionally, light-shielding structure 183 can be identical with the material of first shell 181.183 light-shielding structure of light-shielding structure
It is filled in the accommodating chamber of first shell 181, and is set between laser light source module 110 and optical detection module 120.Light-shielding structure
182 for isolation laser light source module 110 and optical detection module 120, while not influencing transmitting and the light of laser light source module 110
The reception of 120 optical signal of detecting module.
Wherein, accommodating chamber is divided into multiple sub- cavitys by light-shielding structure 183, when device is double cavity structure (such as Fig. 2 a), is swashed
Radiant module 110, temperature collecting module 130 are contained in a wherein sub- cavity, and optical detection module 120 is contained in another sub- chamber
Body；When device is three-cavity structure (such as Fig. 2 b or Fig. 2 c), laser light source module 110, temperature collecting module 130 are contained in wherein
Two sub- cavitys, optical detection module 120 are contained in another sub- cavity, alternatively, optical detection module 120 is contained in wherein two sub- cavity,
Laser light source module 110, temperature collecting module 130 are contained in another sub- cavity.
In the present embodiment, physiological parameter measurement mechanism 100 emits two beam wavelength not by setting laser light source module 110
Same laser, after two beam laser irradiate organism respectively, optical detection module 120 receives the optical signal that organism 200 returns, and
Output electric signal is converted optical signal into, temperature collecting module 130 acquires the temperature information of laser light source module 110, controls mould
Block 140 calculates the physiological parameter of organism 200 according to output electric signal, temperature information and preset temperature compensated curve, using out
The relatively stable laser light source of optical property replace LED light source, and can calibration light source temperature change caused by error, can make
Measurement result is more accurate.
Referring to Fig. 5, being a kind of flow diagram of physiological parameter measurement method provided in an embodiment of the present invention.Such as Fig. 5
Shown, which is applied to the physiological parameter measurement mechanism 100 in above-described embodiment, this method comprises:
410, emit first laser and second laser, the first laser is different with the wavelength of the second laser；
420, after the first laser and second laser irradiation organism, the light letter that the organism returns is received
Number, and output electric signal is converted by the optical signal；
430, the temperature information of laser light source module is acquired in real time；
440, according to the output electric signal, the temperature information and preset temperature compensated curve, the organism is calculated
Physiological parameter.
The above method can the device provided by the embodiment of the present invention execute, have the corresponding functional module of device and beneficial
Effect.The not technical detail of detailed description in the present embodiment, reference can be made to device provided by the embodiment of the present invention.
In the present embodiment, which emits laser, the laser irradiation by laser light source module 110
To organism 200, optical detection module 120 receives the laser that organism 200 returns, and converts output electric signal for the laser,
Temperature collecting module 130 acquires the temperature information of laser light source module 110 simultaneously, and control module 140 is according to output electric signal, temperature
Information and preset temperature compensated curve are spent, the physiological parameter of organism 200 is calculated, LED light source is replaced using laser light source, and
Can calibration light source temperature change caused by error, measurement result can be made more accurate.
It should be noted that preferable embodiment of the invention is given in specification and its attached drawing of the invention, but
It is that the present invention can be realized by many different forms, however it is not limited to embodiment described in this specification, these realities
Mode is applied not as the additional limitation to the content of present invention, the purpose of providing these embodiments is that making in disclosure of the invention
The understanding of appearance is more thorough and comprehensive.Also, above-mentioned each technical characteristic continues to be combined with each other, and forms the various realities not being enumerated above
Mode is applied, the range of description of the invention record is accordingly to be regarded as；Further, for those of ordinary skills, Ke Yigen
It is improved or converted according to above description, and all these modifications and variations all should belong to the protection of appended claims of the present invention
Range.
Claims (10)
1. a kind of physiological parameter measurement mechanism characterized by comprising
Laser light source module, including first laser light source and second laser light source, the first laser light source is for emitting first
Laser, for the second laser light source for emitting second laser, the first laser is different with the wavelength of the second laser；
Optical detection module, the optical detection module are used for after the first laser and second laser irradiation organism, connect
The optical signal that the organism returns is received, and converts output electric signal for the optical signal；
Temperature collecting module, for acquiring the temperature information of the laser light source module in real time；
Control module is connect with the optical detection module and the temperature collecting module respectively, for according to the output telecommunications
Number, the temperature information and preset temperature compensated curve, calculate the physiological parameter of the organism.
2. the apparatus according to claim 1, which is characterized in that the optical detection module is photodiode array, described
Second laser light source is set between the first laser light source and the optical detection module.
3. the apparatus according to claim 1, which is characterized in that the optical detection module is photodiode array, described
Optical detection module is set between the first laser light source and the second laser light source.
4. the apparatus according to claim 1, which is characterized in that the optical detection module is several concentric annular arrays, respectively
A annular array surrounds the first laser light source, second laser light source setting, each annular array
Diameter is all different, also, the trend that each annular array increases according to diameter is set gradually outward by interior.
5. device according to claim 1-4, which is characterized in that described device further include: first shell and
Two shells；
The first shell is that the material of the impermeable first laser, the second laser and visible light is prepared, described
First shell is equipped with accommodating chamber, the laser light source module, the optical detection module, the temperature collecting module, the control
Module is contained in the accommodating chamber, and the second shell is covered on the first shell, and the second shell is for penetrating
The first laser, the second laser, and through the optical signal that the organism returns, so that the optical signal is by institute
State the reception of optical detection module.
6. device according to claim 5, which is characterized in that described device further include: light-shielding structure；
The light-shielding structure is prepared for the material of the impermeable first laser and the second laser, and the light-shielding structure is filled out
Fill in the accommodating chamber, and be set between the laser light source module and the optical detection module, the light-shielding structure be used for every
From the laser light source module and the optical detection module, while the transmitting and light spy of the laser light source module are not influenced
Survey the reception of module optical signal.
7. device according to claim 1-4, which is characterized in that described device further include: wireless transport module；
The wireless transport module is connect with the control module, and the wireless transport module is used for: wirelessly transmitting institute
State the physiological parameter of the organism of control module calculating.
8. device according to claim 7, which is characterized in that the laser light source module, the optical detection module, described
Temperature collecting module, the control module and the wireless transport module are integrated on same circuit board.
9. device according to claim 1-4, which is characterized in that the optical detection module includes: the first photoelectricity
Diode and the second photodiode, the distance between first photodiode and second photodiode are first
Distance；
The output electric signal includes the first subsignal and the second subsignal, and first photodiode is used for the biology
The laser that body returns is converted into first subsignal, what second photodiode was used to return to the organism
The laser is converted into second subsignal；
The control module is also used to: according to first subsignal, second subsignal and the first distance, calculating institute
State sampling depth and the sampling location of organism.
10. a kind of physiological parameter measurement method, which is characterized in that be applied to the described in any item physiological parameters of claim 1-9
Measuring device, which comprises
Emit first laser and second laser, the first laser is different with the wavelength of the second laser；
After the first laser and second laser irradiation organism, the optical signal that the organism returns is received, and will
The optical signal is converted into output electric signal；
The temperature information of acquisition laser light source module in real time；
According to the output electric signal, the temperature information and preset temperature compensated curve, the physiology ginseng of the organism is calculated
Number.
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