CN102008811B - Intelligent monitoring system for track cycling training - Google Patents
Intelligent monitoring system for track cycling training Download PDFInfo
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Abstract
The invention discloses an intelligent monitoring system for track cycling training. A heart rate detection system detects the heart rate signal of an athlete; after the heart rate signal is filtered by a heart rate detection system main controller, an effective heart rate cycle Ti is sent to a speed measuring system main controller through a data line; a speed measuring system detects the speed and the traveled mileage of a bicycle by a hall sensor, and then the heart rate information of the athlete and the speed information of the bicycle are sent to a monitoring analysis host by a wireless transmitting module of the speed measuring system; and after a monitoring analysis system receives the information, curves of the heart-rate and the speed changing with the time are drawn for the real-time heart rate of the athlete and the speed date by the host. The intelligent monitoring system for track cycling training can be used for sending and storing the data in real time, does not need to transform a bicycle body so as to save the using cost, and is suitable for masses of users.
Description
Technical field
The present invention relates to a kind of Track Cycling training smart monitoring system.
Background technology
Be accompanied by science and technology development, the competition on the sport field is also developed gradually and is the trial of strength of science and technology.Improve games results, take more medals, it is not enough only depending on the cultivation of sportsman's self diathesis and ability and arduous training.How to improve the level of training? the training guidance that science is arranged requires more reasonably to arrange properly the amount and the intensity of training in training at ordinary times, so trains monitoring just to seem of crucial importance.Therefore, it is essential to have a support of training equipment of high-tech content.
With the Track Cycling contest is example, this be our country near one of bicycle project of international most advanced level, belong to the dash project.This features on project: schedules short (500 meters), the time short (about 34 seconds), speed is first index.Want raising speed, an important problem is that the coach will know what's what to whole athletic during the games actual competitive state.Comprise in off preparation, off process, the schedules, sprint stage etc., the coach has only real-time understanding sportsman after information such as the motion state in each stage, physical consumption, could adjust training program and plan targetedly, the correct training strength of distributing, the scientific guidance sportsman determines the best opportunity of having an effect, and obtains best achievement.
The main parameter that characterizes sportsman's competitive state in the schedules is sportsman's HR Heart Rate and riding speed thereof.The variation meeting of training strength clearly shows by heart rate.Numerous studies show that, the speed of exercise heart rate is relevant with exercise intensity.Intensity is big more, and heart rate is fast more, and sports achievement is high more.When surpassing 2～10 minutes with same exercise intensity persistent movement, heart rate is just stayed (stable state) on the certain level.Reaching " stable state " before, linear substantially between heart rate and the exercise intensity.Riding speed has then reflected sportsman's (HR Heart Rate) under the training strength of correspondence, locomitivity that has and level.To know what's what to athletic training, will have and to monitor in real time and the device of sportsman's state analysis sportsman's HR Heart Rate, riding speed, for coach's training guidance at scene provides the data analysis of science, to reach best training effect.At present domesticly can't provide this kind equipment, so a kind of brand-new Track Cycling training smart monitoring analysis system is badly in need of being developed.
Summary of the invention
The present invention is directed to the proposition of above problem, and develop a kind of Track Cycling training smart monitoring analysis system.The technological means that the present invention adopts is as follows:
A kind of Track Cycling training smart monitoring system is characterized in that comprising: heart rate detection system, velocity measuring system, power circuit, monitoring analysis system and voltage-regulating circuit;
Described heart rate detection system comprises: heart rate detection sensor, heart rate detection system master system device, heart rate detection system memory module and heart rate detection system digits shaping circuit;
Described heart rate detection sensor is used to detect athletic heart rate signal;
Described heart rate detection system digits shaping circuit is used for the detected heart rate signal of heart rate detection sensor is carried out shaping, filtering;
Described heart rate detection system memory module is used for storing moving person's basic parameter, in promptly athletic basal heart rate, resting heart rate, the motion and postexercise heart rate;
Described heart rate detection system master system device, obtain the scope of this sportsman's different phase effective heartbeat pulse width ti and heart rate period T i according to sportsman's basic parameter of described heart rate detection system memory module storage, the heart rate signal that heart rate detection system digits shaping circuit is passed back compares judgement, promptly twice above adjacent heartbeat pulse width ti and heart rate period T i that heart rate detection system digits shaping circuit is passed back judges, judge that sportsman's heart rate signal this moment belongs to the respective stage that heart rate detection system memory module is stored, and obtain the scope of this stage rational heartbeat pulse width ti and heart rate period T i, reject processing less than above-mentioned heartbeat pulse width ti+2 and the heart rate period T i+2 that obtains the scope of this stage rational heartbeat pulse width ti and heart rate period T i in the heart rate signal of in the above-mentioned stage, passing back for heart rate detection system digits shaping circuit; Effective heart rate period T i that will obtain simultaneously sends in the velocity measuring system master controller by data wire;
Described velocity measuring system: comprise tachometric survey circuit, velocity measuring system master controller, velocity measuring system memory module and velocity measuring system wireless transmitter module;
Described tachometric survey circuit comprises Hall element, magnet and signal processing unit, described tachometric survey circuit is arranged on the bicycle chain transmission plane, and Hall element is between magnet and bicycle chain, be used for induced magnet with the magnetic force signal between the bicycle chain, the sinusoidal wave signal that described signal processing unit is passed Hall element back is converted into square-wave signal;
Described velocity measuring system master controller passes through ECT mouth inbound pacing measuring circuit square-wave signal, and calculates the speed of bicycle, the distance of travelling according to the relation of number of cycles and bicycle running distance; Effective heart rate period T i that heart rate detection system master system device is sended over handles simultaneously;
Described velocity measuring system memory module is used to store the speed of above-mentioned bicycle, the distance of travelling and the data of current time spent;
Described velocity measuring system wireless transmitter module is used for the speed of above-mentioned bicycle, the distance of travelling, current time spent and effective heart rate period T i are reached monitoring analysis system;
The I/O mouth of described tachometric survey circuit is connected with velocity measuring system master controller ECT mouth, and described velocity measuring system master controller is connected with the velocity measuring system memory module with the velocity measuring system wireless transmitter module respectively;
Described voltage-regulating circuit is connected with power circuit provides power supply for above-mentioned heart rate detection system and velocity measuring system;
Described monitoring analysis system comprises: wireless receiving module, main frame and display unit;
Described wireless receiving module is used for the sportsman's heart rate information that inbound pacing measuring system wireless transmitter module passes back and the velocity information of bicycle;
Described main frame is drawn out heart rate, velocity varies with time curve according to the real-time heart rate of sportsman, speed data, and shows by display unit.
Described heart rate detection sensor is placed in the sportsman front, and the electrode of heart rate detection sensor directly contacts with sportsman's skin of chest, and the heart rate signal of heart rate detection sensor output radios to heart rate detection system digits shaping circuit and carries out shaping.
Described heart rate detection sensor is placed on the handgrip of bicycle, contact with the electrode of described heart rate detection sensor during sportsman's both hands handle, the heart rate signal of heart rate detection sensor output is transferred to heart rate detection system digits shaping circuit by lead and carries out shaping.
Described heart rate detection system master system device, carry out interpolation processing greater than the above-mentioned heart rate period T i+2 that obtains this stage reasonable heart rate period T i scope in the heart rate signal that also is used for heart rate detection system digits shaping circuit was passed back in the above-mentioned stage, promptly in heart rate period T i+2, insert heart rate signal, make the heart rate period T i+1 that inserts heart rate signal in reasonable heart rate period T i scope greater than reasonable heart rate period T i scope.
Described heart rate detection system master system device and described velocity measuring system master controller are AT89C2051 single-chip microcomputer and MC9S12 single-chip microcomputer.
This athletic contest process heart rate, speed data storehouse are housed in the described main frame, and the domestic and international standard database of first-class athletic heart rate and velocity variations rule, with the real-time heart rate of sportsman, speed data draw out heart rate, the velocity varies with time curve shows by display unit simultaneously.
A kind of Track Cycling training smart monitoring method of utilizing above-mentioned analytical system is characterized in that comprising that rhythm of the heart detection system, speed detection system and monitoring analysis system handle the step of transmission to relevant data;
The described rhythm of the heart detects and comprises the steps:
S1: the athletic rhythm signal that the heart rate detection sensor will be sensed is transferred to heart rate detection system digits shaping circuit in wireless or wired mode;
S2: heart rate detection system digits shaping circuit carries out shaping, filtering processing to the pulse signal that receives, and the signal after will isolating is delivered to heart rate detection system master system device;
S3: heart rate detection system master system device, obtain the scope of this sportsman's different phase effective heartbeat pulse width ti and heart rate period T i according to sportsman's basic parameter of heart rate detection system memory module storage, the heart rate signal that heart rate detection system digits shaping circuit is passed back compares judgement, promptly twice above adjacent heartbeat pulse width ti and heart rate period T i that heart rate detection system digits shaping circuit is passed back judges, judge that sportsman's heart rate signal this moment belongs to the respective stage that heart rate detection system memory module is stored, and obtain the scope of this stage rational heartbeat pulse width ti and heart rate period T i, reject processing less than above-mentioned heartbeat pulse width ti+2 and the heart rate period T i+2 that obtains the scope of this stage rational heartbeat pulse width ti and heart rate period T i in the heart rate signal of in the above-mentioned stage, passing back for heart rate detection system digits shaping circuit;
S4: effective heart rate period T i that heart rate detection system master system device will obtain sends in the velocity measuring system master controller by data wire;
Described speed detection system comprises the steps:
S1: collect the sinusoidal signal that the bicycle chain motion produces by the Hall element in the tachometric survey circuit, and convert it into square-wave signal;
S2: the I/O mouth by the velocity measuring system master controller enables the velocity measuring system wireless transmitter module, makes it enter the preparation state;
S3: the velocity measuring system master controller receives square-wave signal, by the ECT mouth square-wave signal is caught;
S4: the velocity measuring system master controller is analyzed, is handled the square-wave signal that collects then; Corresponding with the speed of bicycle according to the cycle size that collects sinusoidal signal at first, number of cycles is corresponding with the distance of travelling of bicycle, the cycle size of square-wave signal is analyzed, to calculate the travel speed of Track Cycling current time; By analyzing the number of cycles of square-wave signal, reach the distance that present speed was travelled to calculate Track Cycling, effective heart rate period T i that heart rate detection system master system device is sended over handles simultaneously;
S5: the speed that the velocity measuring system master controller obtains analysis, distance and current time spent send the storage of velocity measuring system memory module to;
S6: the speed that velocity measuring system main controller controls velocity measuring system wireless transmitter module obtains analysis, distance, current time spent and effective heart rate period T i reach in the monitoring analysis system;
Described monitoring analysis system comprises the steps:
S1: the sportsman's heart rate information passed back by wireless receiving module inbound pacing measuring system wireless transmitter module and the velocity information of bicycle;
S2: main frame is drawn out heart rate, velocity varies with time curve according to the real-time heart rate of sportsman, speed data then, and shows by display unit.
Described monitoring analysis system comprises that also main frame will wherein be equipped with this athletic contest process heart rate, speed data storehouse, and the domestic and international standard database of first-class athletic heart rate and velocity variations rule, together with the real-time heart rate of sportsman, speed data draw out heart rate, the velocity varies with time curve shows by display unit simultaneously.
The described rhythm of the heart detects in S3 step in the step comprises that also heart rate detection system master system device passes back heart rate detection system digits shaping circuit in the above-mentioned stage the heart rate signal and carries out interpolation processing greater than the above-mentioned heart rate period T i+2 that obtains this stage reasonable heart rate period T i scope, promptly in heart rate period T i+2, insert heart rate signal, make the step of heart rate period T i+1 in reasonable heart rate period T i scope of inserting heart rate signal greater than reasonable heart rate period T i scope.
Track Cycling training smart monitoring system provided by the invention, at traditional Track Cycling velocity measuring system need transform car body, can't monitor in real time, volume is big, convenience difference and deficiency such as cost an arm and a leg, provide a kind of convenient, need not to transform car body, and the cheap velocity measuring system that can monitor in real time.This system is made up of power circuit, main control centre, signal detection circuit, data memory module, wireless communication module, voltage-regulating circuit, fixed mechanism.Signal detection circuit is gathered the signal that chain movement produces, and it is carried out preliminary treatment; Main control centre both can be stored the parameters such as speed of gained by the signal after handling is further analyzed, and also can control wireless communication module and send parameter to user's host computer, finished the real-time monitoring of Track Cycling speed.This velocity measuring system not only can send in real time, store data, and need not to transform car body, saves use cost, is fit to users.
Description of drawings
Fig. 1 is a Track Cycling training smart device for monitoring and analyzing situ configuration schematic diagram;
Fig. 2 is a Track Cycling training smart device for monitoring and analyzing structured flowchart;
Fig. 3 is the heart rate detection circuit block diagram;
Fig. 4 is the heart rate detection schematic diagram;
Fig. 5 is the digital filtering principle schematic;
Fig. 6 is the circuit diagram of velocity measuring system master controller;
Fig. 7 is the circuit diagram of tachometric survey circuit;
Fig. 8 is the circuit diagram of velocity measuring system voltage-regulating circuit;
Fig. 9 is a velocity measuring system master control program flow chart;
Figure 10 is a tachometric survey circuit theory schematic diagram;
Figure 11 is the schematic diagram of velocity measuring system analytic signal.
The specific embodiment
Track Cycling training smart monitoring system comprises heart rate detection system 1, velocity measuring system 2, power circuit 3, monitoring analysis system 4 and voltage-regulating circuit 5 as depicted in figs. 1 and 2;
Described heart rate detection system 1 comprises: heart rate detection sensor 101, heart rate detection system master system device 102, heart rate detection system memory module 103 and heart rate detection system digits shaping circuit 105;
Described heart rate detection sensor 101 is used to detect athletic heart rate signal;
Described heart rate detection system digits shaping circuit 105 is used for the detected heart rate signal of heart rate detection sensor is carried out shaping, filtering;
Described heart rate detection system memory module 103 is used for storing moving person's basic parameter, in promptly athletic basal heart rate, resting heart rate, the motion and postexercise heart rate;
Heart rate detection sensor 101 can adopt two kinds of mounting means.One adopts the pectoral girdle mode, is placed in the sportsman front, and the electrode of heart rate detection sensor 101 directly contacts with sportsman's skin of chest; The electrode arrangement of its two hearts rate detecting sensor 101 is on two handgrips of bicycle, and sportsman's both hands contact with the electrode of heart rate detection sensor 101 when handle.The heart rate detection circuit all is placed in the bicycle handle bar.When adopting the pectoral girdle mode, heart rate signal is received by the heart rate detection system by wireless mode; The electrode arrangement of heart rate detection sensor 101 is on the handgrip of bicycle the time, and sensor output heart rate signal is directly linked in the heart rate detection system by lead.Heart rate sensor output is the pulse signal synchronous with heartbeat in theory, and in fact mixing has disturbing pulse.The main difficult point of heart rate detection is an accuracy problems, and solving reasonable at present is heart rate detection under the static conditions.The match of sportsman on the arena belongs to dynamic process, has two factors to make the heart rate detection error bigger.Friction and displacement take place with contacting of human body skin in the electrode of all kinds of heart rate sensors of the first easily under human motion state, produce random noise and make the signal additional interference; Its two best approach of eliminating random disturbances is according to statistical law, and the data of repeatedly measuring are done statistical analysis, provides the testing result near actual value.But in real time dynamically during heart rate detection, data variation itself does not allow duplicate measurements, so can not adopt traditional statistical analysis technique.
Described heart rate detection system master system device 102, obtain the scope of this sportsman's different phase effective heartbeat pulse width ti and heart rate period T i according to sportsman's basic parameter of described heart rate detection system memory module 103 storages, the heart rate signal that heart rate detection system digits shaping circuit 105 is passed back compares judgement, promptly twice above adjacent heartbeat pulse width ti and heart rate period T i that heart rate detection system digits shaping circuit 105 is passed back judges, judge that sportsman's heart rate signal this moment belongs to the respective stage that heart rate detection system memory module 103 is stored, and obtain the scope of this stage rational heartbeat pulse width ti and heart rate period T i, reject processing less than above-mentioned heartbeat pulse width ti+2 and the heart rate period T i+2 that obtains the scope of this stage rational heartbeat pulse width ti and heart rate period T i in the heart rate signal of in the above-mentioned stage, passing back for heart rate detection system digits shaping circuit 105; Carry out interpolation processing greater than the above-mentioned heart rate period T i+2 that obtains this stage reasonable heart rate period T i scope in the heart rate signal of also heart rate detection system digits shaping circuit 105 being passed back simultaneously in the above-mentioned stage, promptly in heart rate period T i+2, insert heart rate signal, make the heart rate period T i+1 that inserts heart rate signal in reasonable heart rate period T i scope (pulse of doing so exactly test leakage will replenish) greater than reasonable heart rate period T i scope.Effective heart rate period T i that will obtain at last sends in the velocity measuring system master controller 202 by data wire.
The heart rate detection circuit comprises that digital shaping circuit and heart rate detection system master system device 102 (present embodiment adopts AT89C2051 model single-chip microcomputer) see Fig. 3.Shaping circuit carries out shaping, filtering to recording pulse signal.Heart rate detection system master system device 102 accurately records two time interval T between the pulse
iWith the width ti of pulse referring to Fig. 4, through digital filtering and with the comparison of sportsman's personal data, determine that this pulse of receiving is effective.Heart rate detection system master system device 102 is with T
iIn sending to velocity measuring system master controller 202, send in the main frame (can reduce the input of cost like this, improve usage ratio of equipment) by velocity measuring system.After main frame is received data, try to achieve instantaneous heart rate by mathematical operation.
(method that the present invention adopts is respectively from the many-sided head it off of software and hardware.
1, the hardware shaping is isolated because the load capacity of heart rate sensor is relatively poor, the heart rate signal of output very a little less than, heart rate signal directly can't be sent to the device for monitoring and analyzing main frame, can not directly connect analogue filter circuit.At first carry out the heart rate pulse shaping by digital circuit.The output of heart rate sensor connects pull down resistor and gives the i.e. six high pressure output of 74LS06 inverter buffer/driver, 74LS06 output adds pull-up resistor to the 5V power supply, move the output pulse signal of heart rate sensor 3V power supply to the 5V pulse signal, promptly improve signal strength signal intensity, again sensor and detection transtation mission circuit are isolated.Signal after isolating is delivered to single-chip microcomputer, carry out digital filtering by software, reject interfering signal, circuit structure is referring to Fig. 3.
2, single-chip microcomputer time study method, the cycle that heartbeat is measured in general at present employing is calculated the method for heart rate.If recording the cycle of heartbeat is T
iThe unit millisecond, then heart rate is 60 * 10
3/ T
iThe task of single-chip microcomputer is exactly accurately to record the time interval (referring to Fig. 4) between the heartbeat pulse twice.The rising edge of the signal after being isolated by the hardware shaping is as the triggering signal of single-chip microcomputer timer, the time interval T between two signal rising edges
iBe the heart rate cycle.The signal trailing edge is to the time interval t between the next rising edge
iBe the heartbeat pulse width, the timer that utilizes single-chip microcomputer to carry can record t respectively
iAnd T
iBecause the existence of disturbing not is the t that records
iAnd T
iAll be effective.Need software filtering to discern.
3, sportsman's master database is set up, and before this cover device for monitoring and analyzing uses, set up each athletic basic parameter database earlier, and the digital filtering when measuring in real time will be foundation with the parameter of this database.Because the variation of heart rate has tangible individual difference.Should detect in basal heart rate, resting heart rate, the motion respectively and postexercise heart rate etc.
Basal heart rate is an empty stomach clinostatism heart rate before getting up early morning;
Maximum difference of adjacent twice heart rate data the etc. when heart rate data in the motion then is the heart rate maximum that records by apparatuses such as lab simulation training aids, minimum of a value, acceleration and deceleration.
Also should draw out when schedules of simulation are trained on simulation trainer the full curve of changes in heart rate.The matching relationship curve of heart rate and speed etc.
Detect by these basic parameters, can obtain the effective t of this sportsman
iAnd T
iScope, for the real-time Survey Software filtering algorithm in when training provides the data support.
4, heart rate detection module digital filtering method, when the heart rate detection module detects in real time, be adjacent three times t
iAnd T
iData are stored and comparative analysis.Should judge whether this heart rate pulse is effective, will judge that also current athletic heart rate is to quicken, slowing down or at the uniform velocity changing.As shown in Figure 5, Ti that records and ti are through relatively being confirmed to be effective with the basic parameter database.Next T
I+1And t
I+1Less than the basic parameter data of database, be judged as interference, these data T
I+1And t
I+1Invalid, as to have write down time T
I+1Superpose up to the rising edge of next pulse with the timing time of back, timing time is at this moment confirmed as T
I+1, then can be determined further.
If adjacent pulse surpasses the basic parameter data of database at interval, illustrating between two secondary data has pulse missing, is confirming will to carry out data interpolating under the effective situation of this secondary data, and the data that will lose with reference to the basic parameter data of database refill.
5, device for monitoring and analyzing host data processing method is handled though the data of the heart rate detection module of reception have been passed through certain filtering, and interpolation and mix the possibility that mistake is surveyed still may occur lagging behind.Device for monitoring and analyzing main frame as host computer is done the heart rate period treatment that lags behind to the data of receiving: the Ti that receives carries out 60 * 10
3/ T
iCalculating after try to achieve per minute heartbeat number of times promptly this moment instantaneous heart rate efficiency confirmed at once, treat data T next time
I+1Receive that this secondary data of back affirmation Ti no longer changes, again with this data storage and output graphing.If data T next time
I+1After receiving, find that this secondary data Ti needs change, for example, first group and the 3rd group all is accelerator in the adjacent three times data, and second group of data is in the moderating process, then needs to revise data for the second time; Again such as there being pulse missing to need the situation of data interpolating between two secondary data.Can utilize this hysteresis to export to revise.)
Comprise tachometric survey circuit 201, power circuit 3, velocity measuring system master controller 202, voltage-regulating circuit 5, velocity measuring system wireless transmitter module 204 and velocity measuring system memory module 203 as Fig. 6, Fig. 7 and velocity measuring system shown in Figure 82; Described tachometric survey circuit 201 comprises Hall element 602, magnet 601 and signal processing unit, described tachometric survey circuit 201 is arranged on the bicycle chain 603 transmission planes, and Hall element 602 is between magnet 601 and bicycle chain 603, and fix by fixed mechanism 1 and (can it be fixed by nut and retainer ring, also can it be fixed by geometrical clamp, realize that owing to similar the fixed form of said fixing function all is the commonly used and known fixed forms of those skilled in the art, so just do not describe one by one here.); Because the junction of bicycle chain 603 is full ferrous material, there is not ferrous material at portion other than connected portion, so utilizing the magneticaction of 601 pairs of bicycle chain 603 junctions of magnet is that Hall element 602 inductions produce class sinusoidal signal (as shown in figure 10), the sinusoidal wave signal that described signal processing unit is passed Hall element back is converted into square-wave signal (processing procedure as shown in figure 11); Described velocity measuring system master controller 202 passes through ECT mouth inbound pacing measuring circuit 201 square-wave signals, and calculates the speed of bicycle, the distance of travelling according to the relation of number of cycles and bicycle running distance; Effective heart rate period T i that heart rate detection system master system device 102 is sended over handles simultaneously; Described velocity measuring system memory module 203 is used to store data such as the speed of above-mentioned bicycle, the distance of travelling and current time spent; Described velocity measuring system wireless transmitter module 204 is used for the speed of above-mentioned bicycle, the distance of travelling, current time spent and effective heart rate period T i are reached monitoring analysis system 4; Described voltage-regulating circuit 5 is connected with power circuit 3 provides power supply for whole device; The I/O mouth of described tachometric survey circuit 201 is connected with velocity measuring system master controller 202ECT mouth, and described velocity measuring system master controller 202 is connected with velocity measuring system memory module 203 with velocity measuring system wireless transmitter module 204 respectively.Wherein signal processing unit is to have the integrated circuit that the class sinusoidal signal is carried out filtering, amplifies and is translated into square-wave signal; Velocity measuring system master controller 202 is provided with the microprocessor with logical process ability (as: processors such as single-chip microcomputer, MCU, ARM, present embodiment adopt its circuit structure of MC9S12 single-chip microcomputer as shown in Figure 6) of master control program in being.
For further specifying the operation principle of this device, the spy carries out following description: the ECT mouth of velocity measuring system master controller 202 as shown in Figure 6 is connected with the I/O mouth of tachometric survey circuit 201 shown in Figure 7, be used to receive the signal that chain movement produces, this signal is a kind of periodic square-wave signal that has, the movement velocity of chain is fast more, and the class sinusoidal signal cycle is short more; The movement velocity of opposite chain is slow more, and the class sinusoidal signal cycle is long more, i.e. the inversely proportional relation of cycle of the movement velocity of chain and class sinusoidal signal, and this just provides good basis for the tachometric survey of bicycle power.When bicycle generation power speed is chain movement, tachometric survey circuit 201 receives the sinusoidal signal that chain movement produces, the I/O of tachometric survey circuit 201 is connected with the ECT mouth of velocity measuring system master controller 202 shown in Figure 6, and tachometric survey circuit 201 sends signal data in the ECT mouth of velocity measuring system master controller 202.202 pairs of data that receive of velocity measuring system master controller are further analyzed and are handled, the I/O mouth of velocity measuring system master controller 202 is connected with velocity measuring system memory module 203, the data that velocity measuring system master controller 202 will be analyzed gained send velocity measuring system memory module 203 to, by 203 storages of velocity measuring system memory module.The serial communication interface of velocity measuring system master controller 202 is connected with the I/O mouth of velocity measuring system wireless transmitter module 204, velocity measuring system master controller 202 will be analyzed the data of gained and effective heart rate period T i data that heart rate detection system master system device 102 is sended over send velocity measuring system wireless transmitter module 204 to, by velocity measuring system wireless transmitter module 204 these data be sent in the main frame 402 of monitoring analysis system 4.Power circuit 3 provides constant voltage dc source for system's each several part as shown in Figure 8; general supply adopts the powered battery of 7.2V; use holding circuit protection system power supply in the voltage-regulating circuit 5; adjusting chip with voltage is 5V voltage with the 7.2V voltage transitions of battery, in order to give velocity measuring system master controller 202, tachometric survey circuit 201,204 power supplies of velocity measuring system wireless transmitter module.
Described voltage-regulating circuit 5 is connected with power circuit 3 provides power supply for above-mentioned heart rate detection system 1 and velocity measuring system 2;
Described monitoring analysis system 4 comprises: wireless receiving module 401, main frame 402 and display unit 403;
Described wireless receiving module 401 is used for the sportsman's heart rate information that inbound pacing measuring system wireless transmitter module 204 passes back and the velocity information of bicycle;
Described main frame 402 is drawn out heart rate, velocity varies with time curve according to the real-time heart rate of sportsman, speed data, and shows by display unit 403;
This athletic contest process heart rate, speed data storehouse are housed in the described main frame 402, and the domestic and international standard database of first-class athletic heart rate and velocity variations rule, with the real-time heart rate of sportsman, speed data draw out heart rate, the velocity varies with time curve shows by display unit 403 simultaneously.The coach group that makes host side in conjunction with elite's state, provides the analysis and the training guidance suggestion of sportsman's current state under the prerequisite of understanding athletic time of day.
A kind of Track Cycling training smart monitoring method of utilizing above-mentioned analytical system comprises that rhythm of the heart detection system, speed detection system and monitoring analysis system handle the step of transmission to relevant data;
The described rhythm of the heart detects and comprises the steps:
S1: the athletic rhythm signal that heart rate detection sensor 101 will be sensed is transferred to heart rate detection system digits shaping circuit 105 in wireless or wired mode;
S2: the pulse signal of 105 pairs of receptions of heart rate detection system digits shaping circuit carries out shaping, filtering is handled, and the signal after will isolating is delivered to heart rate detection system master system device 102;
S3: heart rate detection system master system device 102, obtain the scope of this sportsman's different phase effective heartbeat pulse width ti and heart rate period T i according to sportsman's basic parameter of heart rate detection system memory module 103 storages, the heart rate signal that heart rate detection system digits shaping circuit 105 is passed back compares judgement, promptly twice above adjacent heartbeat pulse width ti and heart rate period T i that heart rate detection system digits shaping circuit 105 is passed back judges, judge that sportsman's heart rate signal this moment belongs to the respective stage that heart rate detection system memory module 103 is stored, and obtain the scope of this stage rational heartbeat pulse width ti and heart rate period T i, reject processing less than above-mentioned heartbeat pulse width ti+2 and the heart rate period T i+2 that obtains the scope of this stage rational heartbeat pulse width ti and heart rate period T i in the heart rate signal of in the above-mentioned stage, passing back for heart rate detection system digits shaping circuit 105; In addition, carry out interpolation processing greater than the above-mentioned heart rate period T i+2 that obtains this stage reasonable heart rate period T i scope in the heart rate signal that heart rate detection system master system device (102) is passed back heart rate detection system digits shaping circuit (105) in the above-mentioned stage, promptly in heart rate period T i+2, insert heart rate signal, make the step of heart rate period T i+1 in reasonable heart rate period T i scope of inserting heart rate signal greater than reasonable heart rate period T i scope.
S4: effective heart rate period T i that heart rate detection system master system device 102 will obtain sends in the velocity measuring system master controller 202 by data wire;
As shown in Figure 9, described speed detection system comprises the steps:
S1: collect the sinusoidal signal that the bicycle chain motion produces by the Hall element in the tachometric survey circuit 201, and convert it into square-wave signal;
S2: the I/O mouth by velocity measuring system master controller 202 enables velocity measuring system wireless transmitter module 204, makes it enter the preparation state;
S3: velocity measuring system master controller 202 receives square-wave signal, by the ECT mouth square-wave signal is caught;
S4: 202 pairs of square-wave signals that collect of velocity measuring system master controller are analyzed, are handled then; Corresponding with the speed of bicycle according to the cycle size that collects sinusoidal signal at first, number of cycles is corresponding with the distance of travelling of bicycle, the cycle size of square-wave signal is analyzed, to calculate the travel speed of Track Cycling current time; By analyzing the number of cycles of square-wave signal, reach the distance that present speed was travelled to calculate Track Cycling; Effective heart rate period T i that heart rate detection system master system device 102 is sended over handles simultaneously;
S5: the speed that velocity measuring system master controller 202 obtains analysis, distance and current time spent send 203 storages of velocity measuring system memory module to;
S6: the speed that velocity measuring system master controller 202 control rate measuring system wireless transmitter modules 204 obtain analysis, distance, current time spent and effective heart rate period T i reach in the monitoring analysis system 4;
Described monitoring analysis system comprises the steps:
S1: the sportsman's heart rate information passed back by wireless receiving module 401 inbound pacing measuring system wireless transmitter modules 204 and the velocity information of bicycle;
S2: main frame 402 is drawn out heart rate, velocity varies with time curve according to the real-time heart rate of sportsman, speed data then, and shows by display unit 403;
Comprise that also main frame 402 will wherein be equipped with this athletic contest process heart rate, speed data storehouse, and the domestic and international standard database of first-class athletic heart rate and velocity variations rule, together with the real-time heart rate of sportsman, speed data draw out heart rate, the velocity varies with time curve shows by display unit 403 simultaneously.
The above; only be the preferable specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (8)
1. a Track Cycling training smart monitoring system is characterized in that comprising: heart rate detection system (1), velocity measuring system (2), power circuit (3), monitoring analysis system (4) and voltage-regulating circuit (5);
Described heart rate detection system (1) comprising: heart rate detection sensor (101), heart rate detection system master system device (102), heart rate detection system memory module (103) and heart rate detection system digits shaping circuit (105);
Described heart rate detection sensor (101) is used to detect athletic heart rate signal;
Described heart rate detection system digits shaping circuit (105) is used for the detected heart rate signal of heart rate detection sensor is carried out shaping, filtering;
Described heart rate detection system's memory module (103) is used for storing moving person's basic parameter, in promptly athletic basal heart rate, resting heart rate, the motion and postexercise heart rate;
Described heart rate detection system master system device (102), obtain the scope of this sportsman's different phase effective heartbeat pulse width ti and heart rate period T i according to sportsman's basic parameter of described heart rate detection system's memory module (103) storage, the heart rate signal that heart rate detection system digits shaping circuit (105) is passed back compares judgement, promptly twice above adjacent heartbeat pulse width ti and heart rate period T i that heart rate detection system digits shaping circuit (105) is passed back judges, judge that sportsman's heart rate signal this moment belongs to the respective stage that heart rate detection system memory module (103) is stored, and obtain the scope of this stage rational heartbeat pulse width ti and heart rate period T i, reject processing less than above-mentioned heartbeat pulse width ti+2 and the heart rate period T i+2 that obtains the scope of this stage rational heartbeat pulse width ti and heart rate period T i in the heart rate signal of in the above-mentioned stage, passing back for heart rate detection system digits shaping circuit (105); Effective heart rate period T i that will obtain simultaneously sends in the velocity measuring system master controller (202) by data wire;
Described velocity measuring system (2): comprise tachometric survey circuit (201), velocity measuring system master controller (202), velocity measuring system memory module (203) and velocity measuring system wireless transmitter module (204);
Described tachometric survey circuit (201) comprises Hall element, magnet and signal processing unit, described tachometric survey circuit (201) is arranged on the bicycle chain transmission plane, and Hall element is between magnet and bicycle chain, be used for induced magnet with the magnetic force signal between the bicycle chain, the sinusoidal wave signal that described signal processing unit is passed Hall element back is converted into square-wave signal;
Described velocity measuring system master controller (202) passes through ECT mouth inbound pacing measuring circuit (201) square-wave signal, and calculates the speed of bicycle, the distance of travelling according to the relation of number of cycles and bicycle running distance; Effective heart rate period T i that heart rate detection system master system device (102) is sended over handles simultaneously;
Described velocity measuring system memory module (203) is used to store the speed of above-mentioned bicycle, the distance of travelling and the data of current time spent;
Described velocity measuring system wireless transmitter module (204) is used for the speed of above-mentioned bicycle, the distance of travelling, current time spent and effective heart rate period T i are reached monitoring analysis system (4);
The I/O mouth of described tachometric survey circuit (201) is connected with velocity measuring system master controller (202) ECT mouth, and described velocity measuring system master controller (202) is connected with velocity measuring system memory module (203) with velocity measuring system wireless transmitter module (204) respectively;
The same power circuit of described voltage-regulating circuit (5) (3) is connected provides power supply for above-mentioned heart rate detection system (1) and velocity measuring system (2);
Described monitoring analysis system (4) comprising: wireless receiving module (401), main frame (402) and display unit (403);
Described wireless receiving module (401) is used for the sportsman's heart rate information that inbound pacing measuring system wireless transmitter module (204) passes back and the velocity information of bicycle;
Described main frame (402) is drawn out heart rate, velocity varies with time curve according to the real-time heart rate of sportsman, speed data, and shows by display unit (403);
Described heart rate detection system master system device (102) and described velocity measuring system master controller (202) are respectively AT89C2051 single-chip microcomputer and MC9S12 single-chip microcomputer.
2. Track Cycling training smart monitoring system according to claim 1, it is characterized in that described heart rate detection sensor (101) is placed in the sportsman front, the electrode of heart rate detection sensor (101) directly contacts with sportsman's skin of chest, and the heart rate signal of heart rate detection sensor (101) output radios to heart rate detection system digits shaping circuit (105) and carries out shaping.
3. Track Cycling training smart monitoring system according to claim 1, it is characterized in that described heart rate detection sensor (101) is placed on the handgrip of bicycle, electrode with described heart rate detection sensor (101) during sportsman's both hands handle contacts, and the heart rate signal of heart rate detection sensor (101) output is transferred to heart rate detection system digits shaping circuit (105) by lead and carries out shaping.
4. Track Cycling training smart monitoring system according to claim 1, it is characterized in that described heart rate detection system master system device (102), carry out interpolation processing greater than the above-mentioned heart rate period T i+2 that obtains this stage reasonable heart rate period T i scope in the heart rate signal that also is used for heart rate detection system digits shaping circuit (105) was passed back in the above-mentioned stage, promptly in heart rate period T i+2, insert heart rate signal, make the heart rate period T i+1 that inserts heart rate signal in reasonable heart rate period T i scope greater than reasonable heart rate period T i scope
5. Track Cycling training smart monitoring system according to claim 1, it is characterized in that being equipped with in the described main frame (402) this athletic contest process heart rate, speed data storehouse, and the standard database of domestic and international first-class athletic heart rate and velocity variations rule, draw out heart rate, velocity varies with time curve with the real-time heart rate of sportsman, speed data and show by display unit (403) simultaneously.
6. Track Cycling training smart monitoring method of utilizing the described monitoring system of claim 1 is characterized in that comprising that rhythm of the heart detection system, velocity measuring system and monitoring analysis system handle the step of transmission to relevant data;
The described rhythm of the heart detects and comprises the steps:
S1: the athletic rhythm signal that heart rate detection sensor (101) will be sensed is transferred to heart rate detection system digits shaping circuit (105) in wireless or wired mode;
S2: heart rate detection system digits shaping circuit (105) carries out shaping, filtering processing to the pulse signal that receives, and the signal after will isolating is delivered to heart rate detection system master system device (102);
S3: heart rate detection system master system device (102), obtain the scope of this sportsman's different phase effective heartbeat pulse width ti and heart rate period T i according to sportsman's basic parameter of heart rate detection system memory module (103) storage, the heart rate signal that heart rate detection system digits shaping circuit (105) is passed back compares judgement, promptly twice above adjacent heartbeat pulse width ti and heart rate period T i that heart rate detection system digits shaping circuit (105) is passed back judges, judge that sportsman's heart rate signal this moment belongs to the respective stage that heart rate detection system memory module (103) is stored, and obtain the scope of this stage rational heartbeat pulse width ti and heart rate period T i, reject processing less than above-mentioned heartbeat pulse width ti+2 and the heart rate period T i+2 that obtains the scope of this stage rational heartbeat pulse width ti and heart rate period T i in the heart rate signal of in the above-mentioned stage, passing back for heart rate detection system digits shaping circuit (105);
S4: effective heart rate period T i that heart rate detection system master system device (102) will obtain sends in the velocity measuring system master controller (202) by data wire;
Described tachometric survey comprises the steps:
S1: collect the sinusoidal signal that the bicycle chain motion produces by the Hall element in the tachometric survey circuit (201), and convert it into square-wave signal;
S2: the I/O mouth toggle speed measuring system wireless transmitter module (204) by velocity measuring system master controller (202) makes it enter the preparation state;
S3: velocity measuring system master controller (202) receives square-wave signal, by the ECT mouth square-wave signal is caught;
S4: velocity measuring system master controller (202) is analyzed, is handled the square-wave signal that collects then; Corresponding with the speed of bicycle according to the cycle size that collects sinusoidal signal at first, number of cycles is corresponding with the distance of travelling of bicycle, the cycle size of square-wave signal is analyzed, to calculate the travel speed of Track Cycling current time; By analyzing the number of cycles of square-wave signal, reach the distance that present speed was travelled to calculate Track Cycling, effective heart rate period T i that heart rate detection system master system device (102) is sended over handles simultaneously;
S5: the speed that velocity measuring system master controller (202) obtains analysis, distance and current time spent send velocity measuring system memory module (203) storage to;
S6: the speed that velocity measuring system master controller (202) control rate measuring system wireless transmitter module (204) obtains analysis, distance, current time spent and effective heart rate period T i reach in the monitoring analysis system (4);
Described monitoring analysis comprises the steps:
S1: the sportsman's heart rate information passed back by wireless receiving module (401) inbound pacing measuring system wireless transmitter module (204) and the velocity information of bicycle;
S2: main frame (402) is drawn out heart rate, velocity varies with time curve according to the real-time heart rate of sportsman, speed data then, and shows by display unit (403).
7. monitoring method according to claim 6, it is characterized in that described monitoring analysis system comprises that also main frame (402) will wherein be equipped with this athletic contest process heart rate, speed data storehouse, and the standard database of domestic and international first-class athletic heart rate and velocity variations rule, draw out heart rate, velocity varies with time curve together with the real-time heart rate of sportsman, speed data and show by display unit (403) simultaneously.
8. monitoring method according to claim 6, it is characterized in that the described rhythm of the heart detects in S3 step in the step comprises that also heart rate detection system master system device (102) passes back heart rate detection system digits shaping circuit (105) in the above-mentioned stage the heart rate signal carries out interpolation processing greater than the above-mentioned heart rate period T i+2 that obtains this stage reasonable heart rate period T i scope, promptly in heart rate period T i+2, insert heart rate signal, make the step of heart rate period T i+1 in reasonable heart rate period T i scope of inserting heart rate signal greater than reasonable heart rate period T i scope.
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| CN2010102642762A CN102008811B (en) | 2010-08-23 | 2010-08-23 | Intelligent monitoring system for track cycling training |
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| US10512407B2 (en) | 2013-06-24 | 2019-12-24 | Fitbit, Inc. | Heart rate data collection |
| JP2015131533A (en) * | 2014-01-10 | 2015-07-23 | 株式会社シマノ | Information gathering system, information processing system, information display, and computer program |
| US9516461B2 (en) * | 2014-07-16 | 2016-12-06 | Sony Corporation | Mesh network applied to arena events |
| CN104188645B (en) * | 2014-08-08 | 2019-05-28 | 惠州Tcl移动通信有限公司 | The measurement method of wearable device and the basal heart rate based on the wearable device |
| CN104382577A (en) * | 2014-10-17 | 2015-03-04 | 惠州Tcl移动通信有限公司 | Method for monitoring physical conditions and handheld device |
| US11206989B2 (en) | 2015-12-10 | 2021-12-28 | Fitbit, Inc. | Light field management in an optical biological parameter sensor |
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| CN105891534A (en) * | 2016-04-08 | 2016-08-24 | 成都晨电智能科技有限公司 | Bicycle velocity measurement system and method |
| US10433739B2 (en) | 2016-04-29 | 2019-10-08 | Fitbit, Inc. | Multi-channel photoplethysmography sensor |
| CN106267703B (en) * | 2016-08-04 | 2018-05-15 | 山东省体育科学研究中心 | A kind of compound running machine based under altitude environment |
| US11051706B1 (en) | 2017-04-07 | 2021-07-06 | Fitbit, Inc. | Multiple source-detector pair photoplethysmography (PPG) sensor |
| CN107219879B (en) * | 2017-07-21 | 2022-11-25 | 电子科技大学成都学院 | Environmental conditioning system and warmhouse booth |
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