A kind of electronic device of heart rate module and acquisition heart rateTechnical field
The utility model is related to computer control fields, and in particular to a kind of heart rate module, the electronic device for acquiring heart rateWith the method for heart rate acquisition.
Background technology
With the fast development of intelligent consumption electronic product, the function module that intelligence dresses product the more is done the more more.With wristFor product, more and more new products more focus on the function of health.Especially heart rate module is largely applied to intelligenceIn the products such as energy wrist strap, smartwatch.
The consumption electronic product for being presently used for heart rate measurement mainly uses LED lamplight after being absorbed by the body, and passes through measurementThe mode of small-signal, obtains the change amount signal of heartbeat interval, and this measurement method mainly has following three defects：
(1) heart rate measurement has limitation, back wave easily by external interference,
(2) when dynamic measures, change with the gap of contact skin, will have a direct impact on measurement accuracy.
(3) it in static measurement, is influenced by the colour of skin of user, the dense degree of hair etc., causes measurement result unstable.
Invention content
A kind of method that the utility model provides heart rate module, the electronic device for acquiring heart rate and heart rate acquisition, with solutionThe product of certainly existing acquisition heart rate easily changes, by external interference, with the gap of contact skin easily by user due to its back waveThe influences such as the colour of skin, hair be dense, lead to that measurement accuracy is low, poor user experience problem.
One side according to the present utility model, provides a kind of heart rate module, and the heart rate module includes heart rate circuitPlate, processor chips, heart rate sensor, electromagnetic coil, Lens assembly and guide rail；Wherein, the heart rate sensor is arranged in the heartOn rate circuit board, the guide rail is symmetricly set on the front end both sides of heart rate sensor, and the lens set is arranged between the guide railPart, the electromagnetic coil are arranged around the guide rail, and the guide rail is magnetisable material, and the processor chips are electrically connectedThe electromagnetic coil and the heart rate sensor；
The processor chips, for sending the whole voltage control signal of traversal to the electromagnetic coil；Described in receptionThe heart rate measurement data of heart rate sensor acquisition, when analyzing heart rate measurements maximum from the heart rate measurement data of reception described inThe corresponding best maintained position of Lens assembly is sent corresponding with the best maintained position of the Lens assembly to the electromagnetic coilVoltage control signal；
The electromagnetic coil, the voltage control signal whole for the traversal according to the processor chips generate differentElectromagnetic force is moved with driving guide rail to traverse the electromagnetic coil gamut；And for according to the processor chips and instituteThe corresponding voltage control signal in best maintained position for stating Lens assembly generates corresponding electromagnetic force, to drive the Lens assemblyIn the best maintained position；
The heart rate sensor is adopted in real time used in traversing the electromagnetic coil gamut motion process in the guide railCollect heart rate measurement data, and collected heart rate measurement data are sent to the processor chips.
Preferably, the heart rate module further includes LED light and LED lamp drive circuit, and the LED light is arranged in the heart rateOn circuit board, the processor chips are electrically connected the LED lamp drive circuit, described in the LED lamp drive circuit electrical connectionLED light；
The processor chips are additionally operable to sending the best maintained position with the Lens assembly to the electromagnetic coilAfter corresponding voltage control signal, the heart rate measurement data of the heart rate sensor acquisition are received, by the heart rate measurement of receptionData are compared with the default threshold value that measures, if being less than the default measurement threshold value, are sent and are increased to the LED lamp drive circuitAdd the voltage control signal of transmission power；
The LED lamp drive circuit adjusts the LED light for the voltage control signal according to the processor chipsTransmission power.
Other side according to the present utility model provides a kind of electronic device of acquisition heart rate, the electronic deviceIncluding shell, master board and above-mentioned heart rate module；The heart rate module is arranged in the lower surface of the shell, corresponding instituteIt states and offers loophole on the shell at heart rate module position, the processor chips of the heart rate module are arranged in the masterOn control panel.
Other side according to the present utility model provides a kind of heart rate acquisition method, the method includes：
It is symmetrical arranged guide rail in the front end both sides of heart rate sensor, Lens assembly is set between the guide rail, describedElectromagnetic coil is set around guide rail；
The whole voltage control signal of traversal is sent to the electromagnetic coil, the electromagnetic coil is controlled and generates different electricityMagnetic force is moved with driving guide rail to traverse the electromagnetic coil gamut；
In the guide rail traverses the electromagnetic coil gamut motion process, obtains the heart rate sensor and acquire in real timeMultiple heart rate measurement data；
The Lens assembly is corresponding best when going out heart rate measurements maximum according to the multiple heart rate measurement data analysisPosition is maintained, voltage control signal corresponding with the best maintained position of the Lens assembly is sent to the electromagnetic coil, withThe Lens assembly is driven to be in the best maintained position.
The utility model has the beneficial effects that：The technical solution of the utility model designs a kind of heart rate module, the heart rate mouldGroup includes heart rate circuit board, processor chips, heart rate sensor, electromagnetic coil, Lens assembly and guide rail；First, guide rail is symmetricalIt is arranged between the front end both sides of heart rate sensor, guide rail and Lens assembly is set, guide rail is magnetisable material so that the collected heartRate signal can be only achieved heart rate sensor after having to pass through Lens assembly, as long as to reach the position of control guide rail, you canAchieve the purpose that adjust the signal strength that heart rate sensor receives；
In addition, heart rate sensor is arranged on heart rate circuit board, electromagnetic coil is arranged around guide rail, processor chips pointIt electricity Lian Jie not electromagnetic coil and heart rate sensor；Processor chips send the whole voltage control signal of traversal to electromagnetic coil,So electromagnetic coil will generate different electromagnetic forces according to the whole voltage control signal of the traversal of processor chips, realize and driveDynamic guide rail traverses the electromagnetic coil gamut movement, ensure that heart rate sensor can collect Lens assembly in electromagnetic coilThe heart rate signal intensity of any position；
Meanwhile heart rate sensor acquires heart rate measurement in real time during Lens assembly is in traversal global motion on guide railData, and collected heart rate measurement data are sent to processor chips；Processor chips receive heart rate sensor acquisitionHeart rate measurement data, Lens assembly corresponding best dimension when analyzing heart rate measurements maximum from the heart rate measurement data of receptionPosition is held, voltage control signal corresponding with the best maintained position of Lens assembly is sent to electromagnetic coil；Electromagnetic coil according toThe corresponding electromagnetic force of the voltage control signal generations corresponding with the best maintained position of Lens assembly of processor chips, realizes and drivesDynamic Lens assembly is in best maintained position so that the heart rate signal that heart rate sensor receives reaches best.
Preferably, which further includes LED light and LED lamp drive circuit, is arranged on heart rate circuit board, hereinHeart rate circuit board plays a supportive role；Processor chips are electrically connected LED lamp drive circuit, and LED lamp drive circuit is electrically connected LED light,Allow LED lamp drive circuit according to the transmission power of the control Signal Regulation LED light of processor chips, then coordinates electromagnetic wireCircle driving Lens assembly moves on guide rail, to make the signal strength that heart rate sensor receives reach best.Especially when withWhen the colour of skin at family is more black or hair is dense, heart rate sensor received signal intensity can obviously decay, by adjusting the hair of LED lightPower is penetrated, can meet the needs of different user, ensure that the measuring accuracy of heart rate module, improves the practicality of the utility modelProperty.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of heart rate module of the utility model one embodiment；
Fig. 2 is the structural schematic diagram of another heart rate module of the utility model one embodiment；
Fig. 3 is a kind of structural schematic diagram of the electronic device of acquisition heart rate of the utility model one embodiment；
Fig. 4 is a kind of flow chart of heart rate acquisition method of the utility model one embodiment.
Specific implementation mode
The design concept of the utility model is：In order to enable the heart rate signal that heart rate sensor receives reaches best,Before existing heart rate sensor, increase guide rail, electromagnetic coil and Lens assembly, electromagnetic coil drives guide rail traversal gamut fortuneDynamic, heart rate sensor acquires heart rate measurement data in real time；Processor chips go out heart rate measurements according to heart rate measurement data analysisThe Lens assembly corresponding best maintained position when maximum, and control instruction is sent to electromagnetic coil；Electromagnetic coil drives mirrorPiece component is in best maintained position.
Embodiment one
Fig. 1 is a kind of structural schematic diagram of heart rate module of the utility model one embodiment, as shown in Figure 1, a kind of heartRate module, the heart rate module include heart rate circuit board 101, processor chips 102, heart rate sensor 103, electromagnetic coil 104,Lens assembly 105 and guide rail 106；Wherein, the heart rate sensor 103 is arranged on heart rate circuit board 101, the guide rail 106The front end both sides of heart rate sensor 103 are symmetricly set on, the Lens assembly 105, the electromagnetism are set between the guide rail 106Coil 104 is arranged around the guide rail 106, and the guide rail is magnetisable material, and the processor chips 102 are electrically connectedThe electromagnetic coil and the heart rate sensor.It should be noted that processor chips 102 connect electromagnetism by call wire 107Coil 104.The Lens assembly 105 is one or more；When the Lens assembly 105 is multiple, each Lens assembly 105Between according to certain distance setting between the guide rails；During electromagnetic coil drives guide rail traversal global motion, each Lens assemblyRelative distance between 105 is constant.
In one embodiment of the utility model, it is equipped with electromagnetic coil around each guide rail and refers to that magnetic coil canCan also be that in practical applications, can determine electricity according to actual needs positioned at the side of guide rail to be wound around on guide railPosition relationship between magnetic coil and guide rail.
The processor chips 102, for sending the whole voltage control signal of traversal to the electromagnetic coil 104；It connectsThe heart rate measurement data for receiving the acquisition of the heart rate sensor 103, heart rate measurements are analyzed from the heart rate measurement data of reception105 corresponding best maintained position of Lens assembly when maximum is sent and the Lens assembly to the electromagnetic coil 104The 105 corresponding voltage control signal in best maintained position；
The electromagnetic coil 104, the voltage control signal whole for the traversal according to the processor chips 102 generateDifferent electromagnetic force, to drive the guide rail 106 to traverse the movement of 104 gamut of the electromagnetic coil；And for according toThe voltage control signal generation corresponding with the best maintained position of the Lens assembly 105 of processor chips 102 is corresponding electricMagnetic force, to drive the Lens assembly 105 to be in the best maintained position；
The heart rate sensor 103, for traversing 104 gamut motion process of the electromagnetic coil in the guide rail 106In, heart rate measurement data are acquired in real time, and collected heart rate measurement data are sent to the processor chips 102.
Pass through heart rate module shown in FIG. 1, it is known that, the technical solution of the utility model designs a kind of heart rate module, the heartRate module includes heart rate circuit board, processor chips, heart rate sensor, electromagnetic coil, Lens assembly and guide rail；First, guide railThe front end both sides of heart rate sensor are symmetricly set on, Lens assembly is set between guide rail, guide rail is magnetisable material so that is collectedHeart rate signal have to pass through Lens assembly after can be only achieved heart rate sensor, as long as to reached control guide rail position,It can reach the purpose for the signal strength that adjustment heart rate sensor receives；
In addition, heart rate sensor is arranged on heart rate circuit board, electromagnetic coil is arranged around guide rail, processor chips pointIt electricity Lian Jie not electromagnetic coil and heart rate sensor；Processor chips send the whole voltage control signal of traversal to electromagnetic coil,So electromagnetic coil will generate different electromagnetic forces according to the whole voltage control signal of the traversal of processor chips, realize and driveDynamic guide rail traverses the electromagnetic coil gamut movement, ensure that heart rate sensor can collect Lens assembly in electromagnetic coilThe heart rate signal intensity of any position；
Meanwhile heart rate sensor acquires heart rate measurement in real time during Lens assembly is in traversal global motion on guide railData, and collected heart rate measurement data are sent to processor chips；Processor chips receive heart rate sensor acquisitionHeart rate measurement data, Lens assembly corresponding best dimension when analyzing heart rate measurements maximum from the heart rate measurement data of receptionPosition is held, voltage control signal corresponding with the best maintained position of Lens assembly is sent to electromagnetic coil；Electromagnetic coil according toThe corresponding electromagnetic force of the voltage control signal generations corresponding with the best maintained position of Lens assembly of processor chips, realizes and drivesDynamic Lens assembly is in best maintained position so that the heart rate signal that heart rate sensor receives reaches best.
In one embodiment of the utility model, in order to improve the acquisition precision of heart rate module, heart rate module further includesInfrared fileter 108, infrared fileter 108 are arranged in the front end of heart rate sensor 103；
Infrared fileter 108, for filtering out the Infrared jamming from outer signals.
In one embodiment of the utility model, the heart rate module further includes being arranged on the heart rate circuit boardLED light 109 and LED lamp drive circuit 110, the processor chips 102 are electrically connected the LED lamp drive circuit 110, describedLED lamp drive circuit 110 is electrically connected the LED light 109；
The processor chips 102 are additionally operable to send with the Lens assembly 105 most to the electromagnetic coil 104After the corresponding voltage control signal in good maintenance position, the heart rate measurement data of the acquisition of the heart rate sensor 103 are received, it willThe heart rate measurement data of reception are compared with the default threshold value that measures, if being less than the default measurement threshold value, to the LED lightDriving circuit 110 sends the voltage control signal for increasing transmission power；
The LED lamp drive circuit 110, for according to the voltage control signals of the processor chips 102, described in adjustmentThe transmission power of LED light 109.
Pass through heart rate module shown in Fig. 2, it is known that, which further includes LED light and LED lamp drive circuit, LED lightIt is arranged on heart rate circuit board, plays a supportive role in this heart rate circuit board；Processor chips are electrically connected LED lamp drive circuit, LEDLamp drive circuit is electrically connected LED light so that LED lamp drive circuit can be according to the control Signal Regulation LED light of processor chipsTransmission power, then coordinate electromagnetic coil driving Lens assembly moved on guide rail, to the letter for making heart rate sensor receiveNumber intensity reaches best.Especially when the colour of skin of user is more black or hair is dense, heart rate sensor received signal intensity can be brightAobvious decaying, by adjusting the transmission power of LED light, can meet the needs of different user, ensure that the test essence of heart rate moduleDegree, improves the practicability of the utility model.
In one embodiment of the utility model, the quantity of the LED light 109 is multiple, each LED light 109 is matchedSet an independent LED lamp drive circuit 110；That is each LED light is independent controllable.
Multiple LED light 109 are symmetrical arranged centered on the heart rate sensor 103.
For example, when the quantity of LED light 109 is one, it is arranged in the side of heart rate sensor 103 according to pre-determined distance；
When the quantity of LED light 109 is two, by the LED light according to pre-determined distance centered on heart rate sensor 103It is symmetricly set on the both sides of heart rate sensor 103；
When the quantity of LED light 109 is three, the LED light is arranged according to pre-determined distance with heart rate sensor 103Centered on equilateral triangle vertex where position；
When the quantity of LED light 109 is multiple, the LED light is arranged according to pre-determined distance with heart rate sensor 103Centered on regular polygon vertex where position.Enable the symmetrically arranged mesh centered on heart rate sensor 103 of LED light 109Be to be conducive to the accuracy for improving heart rate signal acquisition to keep the light that Lens assembly receives balanced.
In one embodiment of the utility model, the LED light is green light LED lamp.It in practical applications, can basisThe type and model of actual needs selection LED light.
Embodiment two
Fig. 3 is a kind of structural schematic diagram of the electronic device of acquisition heart rate of the utility model one embodiment, such as Fig. 3 institutesShow, a kind of electronic device of acquisition heart rate, the electronic device includes shell 201, master board 202 and above-mentioned heart rate module100；The heart rate module 100 is arranged in the lower surface of the shell 201, described at corresponding 100 position of heart rate moduleLoophole is offered on shell 201, the processor chips 102 of the heart rate module 100 are arranged in the master board 202.It should be noted that the position of corresponding Lens assembly 105 and the position of LED light 109 are provided with loophole so that heart rate module100 can work normally.The processor chips 102 of heart rate module 100 are arranged in the master board 202, that is to say, thatIn the electronic device of acquisition heart rate, master board 202 is core control panel, and controlling heart rate module by master board 202 carries outOperation, realizes the precise acquisition of heart rate data.Specifically, master board 202 is used to send traversal entirely to the electromagnetic coil 104The voltage control signal of journey；The heart rate measurement data for receiving the acquisition of the heart rate sensor 103, from the heart rate measurement data of receptionIn analyze 105 corresponding best maintained position of Lens assembly when heart rate measurements maximum, to the electromagnetic coil 104 send outSend voltage control signal corresponding with the best maintained position of the Lens assembly 105；It is additionally operable to the electromagnetic coil 104After sending voltage control signal corresponding with the best maintained position of the Lens assembly 105, the heart rate sensor is receivedThe heart rate measurement data of reception are compared, if less than described pre- by the heart rate measurement data of 103 acquisitions with the default threshold value that measuresIf measuring threshold value, then the voltage control signal for increasing transmission power is sent to the LED lamp drive circuit 110.
It should be noted that this electronic device can be the wearable product such as intelligent spire lamella and smartwatch.
In order to enhance the practicability of the utility model, in one embodiment of the utility model, the electronic device is alsoIncluding display screen 203 and battery 204；The display screen 203 is arranged in the upper surface of the shell 201, and the battery 204 is setIt sets between the master board 202 and the heart rate module 100；Namely master board 202 and heart rate circuit board 101 itBetween.
The display screen 203, for showing the related measurement data of heart rate and temporal information；
The battery 204, for powering for the display screen 203, the master board 202 and the heart rate module 100.
Embodiment three
Fig. 4 is a kind of flow chart of heart rate acquisition method of the utility model one embodiment, as shown in figure 4,
In step S310, it is symmetrical arranged guide rail in the front end both sides of heart rate sensor, mirror is set between the guide railElectromagnetic coil is arranged around the guide rail in piece component；
In step s 320, the whole voltage control signal of traversal is sent to the electromagnetic coil, controls the electromagnetic wireCircle generates different electromagnetic forces, is moved with driving guide rail to traverse the electromagnetic coil gamut；
In step S330, in the guide rail traverses the electromagnetic coil gamut motion process, the heart rate is obtainedMultiple heart rate measurement data that sensor acquires in real time；
In step S340, lens set when going out heart rate measurements maximum according to the multiple heart rate measurement data analysisThe corresponding best maintained position of part sends voltage corresponding with the best maintained position of the Lens assembly to the electromagnetic coilSignal is controlled, to drive the Lens assembly to be in the best maintained position.
Pass through the schematic diagram of method shown in Fig. 4, it is known that, first, it is symmetrical arranged and leads in the front end both sides of heart rate sensorLens assembly is arranged between guide rail in rail so that collected heart rate signal can be only achieved heart rate biography after having to pass through Lens assemblySensor, as long as to reach the position of control guide rail, you can reach the mesh for the signal strength that adjustment heart rate sensor receives's；
In addition, electromagnetic coil is arranged around the guide rail, the whole voltage control of traversal is sent to the electromagnetic coilSignal controls the electromagnetic coil and generates different electromagnetic forces, realizes that driving guide rail traverses the electromagnetic coil gamut movement,Ensure that heart rate sensor can collect Lens assembly guide rail any position heart rate signal intensity；
Meanwhile in guide rail traverses electromagnetic coil gamut motion process, obtaining what the heart rate sensor acquired in real timeMultiple heart rate measurement data, the Lens assembly pair when going out heart rate measurements maximum according to the multiple heart rate measurement data analysisThe best maintained position answered sends voltage control corresponding with the best maintained position of the Lens assembly to the electromagnetic coilSignal is realized and the Lens assembly is driven to be in the best maintained position so that the heart rate signal that heart rate sensor receivesReach best.
In one embodiment of the utility model, in order to improve the acquisition precision of heart rate module, the method further includes：
Infrared fileter is set in the front end of the heart rate sensor, is filtered out from extraneous letter by the infrared fileterNumber Infrared jamming.
In one embodiment of the utility model, the method further includes：
One or more LED light are set around the heart rate sensor；
To the electromagnetic coil send corresponding with the best maintained position of Lens assembly voltage control signal itAfterwards, the heart rate measurement data of the heart rate sensor acquisition are obtained；
The heart rate measurement data are compared with the default threshold value that measures, if being less than the default measurement threshold value, are increasedAdd the transmission power of the LED light.
It follows that when heart rate measurement data is less than default measurement threshold value, increase the transmission power of LED light, then coordinateElectromagnetic coil driving Lens assembly moves on guide rail, to make the signal strength that heart rate sensor receives reach best.Especially, when the colour of skin of user is more black or hair is dense, heart rate sensor received signal intensity can obviously decay, by adjusting LED for itThe transmission power of lamp can meet the needs of different user, ensure that the measuring accuracy of heart rate module, improve the utility modelPracticability.
In conclusion the technical solution of the utility model designs a kind of heart rate module, which includes heart rate circuitPlate, processor chips, heart rate sensor, electromagnetic coil, Lens assembly and guide rail；First, guide rail is symmetricly set on sensing heart rateLens assembly is arranged between guide rail in the front end both sides of device, and guide rail is magnetisable material so that collected heart rate signal has to pass throughHeart rate sensor is can be only achieved after Lens assembly, as long as to reach the position of control guide rail, you can reach adjustment heart rate and passThe purpose for the signal strength that sensor receives；
In addition, heart rate sensor is arranged on heart rate circuit board, electromagnetic coil is arranged around guide rail, processor chips pointIt electricity Lian Jie not electromagnetic coil and heart rate sensor；Processor chips send the whole voltage control signal of traversal to electromagnetic coil,So electromagnetic coil will generate different electromagnetic forces according to the whole voltage control signal of the traversal of processor chips, realize and driveDynamic guide rail traverses the electromagnetic coil gamut movement, ensure that heart rate sensor can collect Lens assembly in electromagnetic coilThe heart rate signal intensity of any position；
Meanwhile heart rate sensor acquires heart rate measurement in real time during Lens assembly is in traversal global motion on guide railData, and collected heart rate measurement data are sent to processor chips；Processor chips receive heart rate sensor acquisitionHeart rate measurement data, Lens assembly corresponding best dimension when analyzing heart rate measurements maximum from the heart rate measurement data of receptionPosition is held, voltage control signal corresponding with the best maintained position of Lens assembly is sent to electromagnetic coil；Electromagnetic coil according toThe corresponding electromagnetic force of the voltage control signal generations corresponding with the best maintained position of Lens assembly of processor chips, realizes and drivesDynamic Lens assembly is in best maintained position so that the heart rate signal that heart rate sensor receives reaches best.
Preferably, which further includes LED light and LED lamp drive circuit, is arranged on heart rate circuit board, hereinHeart rate circuit board plays a supportive role；Processor chips are electrically connected LED lamp drive circuit, and LED lamp drive circuit is electrically connected LED light,Allow LED lamp drive circuit according to the transmission power of the control Signal Regulation LED light of processor chips, then coordinates electromagnetic wireCircle driving Lens assembly moves on guide rail, to make the signal strength that heart rate sensor receives reach best.Especially when withWhen the colour of skin at family is more black or hair is dense, heart rate sensor received signal intensity can obviously decay, by adjusting the hair of LED lightPower is penetrated, can meet the needs of different user, ensure that the measuring accuracy of heart rate module, improves the practicality of the utility modelProperty.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the scope of protection of the utility model.It is new to be all contained in this practicality for any modification, equivalent substitution, improvement and etc. made within the spirit and principle of the present inventionIn the protection domain of type.