CN205067517U - Laser velometer - Google Patents
Laser velometer Download PDFInfo
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- CN205067517U CN205067517U CN201520848587.1U CN201520848587U CN205067517U CN 205067517 U CN205067517 U CN 205067517U CN 201520848587 U CN201520848587 U CN 201520848587U CN 205067517 U CN205067517 U CN 205067517U
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Abstract
The utility model discloses a laser velometer, including the shell, be equipped with in the shell and be used for carrying out operation with test data to generate real -time distance and velocity information's data acquisition the control unit, data acquisition the control unit connects laser rangefinder sensor and operation controls display element, still includes the power supply unit, the power supply unit connect data acquisition the control unit and laser rangefinder sensor, data acquisition the control unit still are connected with memory cell, and memory cell is through wired and/or at least one processing terminal of wireless connection. The utility model has the advantages that: test data carries out operation through data acquisition the control unit, generates data such as real -time distance, speed, allows a plurality of processing terminal to visit simultaneously, and simple structure is favorable to the dash, hurdles, the training guidance of projects such as long -jump run -up, triple jump run -up, vault run -up very much. Quantify for coach provides accurate, visual training data, formulate drill program for it and provide the scientific basis.
Description
Technical field
The utility model relates to a kind of laser velocimeter device.
Background technology
In the daily workout of sports team, trainer needs to obtain in time to comprise: the significant data needed for the stage such as the start of a race, acceleration, maintenance, spurt, thinks that it is formulated training plan and provides scientific basis.At present, conventional speed measurement techniques means and instrument and equipment roughly comprise: the timing devices such as segmentation velocity-measuring system, radar meter, ultrasonic velocity meter, photography and vedio recording test the speed, stopwatch test the speed.The defect of these prior aries is respectively: segmentation velocity-measuring system: this system provides the average velocity between two pairs of known separation sensors, continuous print velocity variations situation cannot be provided, rate accuracy depends on number of sensors, but unrestricted increase number of sensors is unpractical, therefore it compares longer distances such as being suitable for middle-distance race and tests the speed, and is not too applicable to the short sprint events of run duration.Radar meter: due to radar velocity measurement, mainly utilizes reflection of electromagnetic wave principle, is subject to foeign element interference, and injection microwave angle is wide, and accuracy is greatly affected.Seldom use in the occasion tested the speed to human body at present.Ultrasonic velocity meter: because ultrasound wave is also a kind of sound wave, its velocity of sound is relevant with temperature, in use, larger by influence of temperature change.Meanwhile, the occasion that the transducer of target to be measured and sensor is not perpendicular, windy occasion, the occasion responded fast is needed all cannot normally to use.Photography and vedio recording is tested the speed: need to process image after photography and vedio recording, and according to the parameter such as time, frame number computing velocity, feedback is comparatively slow, uses more complicated.The timing devices such as stopwatch test the speed: use simple, but are subject to the extraneous factor interference such as misoperation; Can only calculate the average velocity in a segment distance, measuring accuracy is limited, and volume is large, and inconvenience portably uses.
Utility model content
In view of this, fundamental purpose of the present utility model is to provide a kind of laser velocimeter device, has reasonable in design, measures accurately, easy to use, can provide precise quantification, visual training data for the project that run duration is short.
For achieving the above object, the technical solution of the utility model is achieved in that laser velocimeter device, comprise shell, shell is rifle shape, the battery case of power supply unit is provided with in the small of the stock, the bottom of gun barrel front end is provided with the laser diode of laser range sensor, the top of gun barrel front end is provided with the transducer receivers of laser range sensor, gunlock is the open-close on-off controlling laser two pole, the side, upper end of shell is provided with the liquid crystal display that operation controls display unit, be provided with for test data is carried out calculation process in described shell, to generate the data collection control unit of real-time Distance geometry speed data, described data collection control unit connects laser range sensor and operation controls display unit, also comprise power supply unit, described power supply unit connects described data collection control unit and described laser range sensor, described data collection control unit is also connected with storage unit, described storage unit by wired and/or wireless connections at least for again processing image data, to obtain speed and time at the scene, velocity and distance, acceleration and time, acceleration and distance, distance and time, section mean speed curve, and the processing terminal of each parameter real-time and quantification data.
The utility model has following substantive distinguishing features and progress relative to prior art:
The first, structure is simple, and volume is little, portably uses conveniently.Adopt rifle shape housing, be beneficial to location survey.Data collection control unit is provided with in described shell, data collection control unit connects laser range sensor and operation controls display unit, test data carries out calculation process through data collection control unit, generate the data such as real-time distance, speed, allow multiple processing terminal to conduct interviews simultaneously, receive data by Wifi wireless connections, computing also shows data and curves.On-the-spot without the need to stube cable, be more suitable for sports center and use, be very beneficial for dash, hurdle, Long Jump Approach, triple jump run-up, the project such as vault run-up training guidance.
The second, measure accurately, adopt high speed, high-precision laser range-finding sensor, the frequency that tests the speed has 25Hz/50Hz/100Hz third gear available, is arranged to 20KHz according to practical measurement requirement is the highest.The maximum positive distance that tests the speed is linear-motion object (comprising human body) within the scope of 200 meters, velocity survey precision reaches 0.1 meter per second data transmission, adopt the general transmission modes such as wireless Wifi, wireless blue tooth, cable network, without the need to dedicated receive facility, operation is simple in use, data are accurately reliable, are convenient to statistics and analyze.
3rd, easy to use, measurement data presses name, date classification, convenient file and retrieval.According to actual needs, by the software later stage to data processing, realize " horizontal survey " and " overlooking measurement " two kinds of test patterns, make system can be applicable to varying environment needs.Software also possesses video and measurement parameter and curve simultaneous display function.Laser velocimeter device adds optical sight, video sighting system, red laser aiming utensil, easy to operate for following the tracks of, and can provide precise quantification, visual training data for the project that run duration is short.
Accompanying drawing explanation
Fig. 1 is the structural representation of laser velocimeter device of the present utility model;
The power supply unit embodiment schematic diagram that Fig. 2 is the device of laser velocimeter shown in Fig. 1.
Fig. 3 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art can understand the utility model being implemented better, but illustrated embodiment is not as to restriction of the present utility model.
Please refer to Fig. 1 to Fig. 3, laser velocimeter device of the present utility model, comprises shell, and shell is rifle shape.In the small of the stock 4, be provided with the battery case 5 of power supply unit, in battery case, be provided with battery 6.The bottom of gun barrel front end is provided with the laser diode 8 of laser range sensor, and the top of gun barrel 2 front end is provided with the transducer receivers 1 of laser range sensor.Gunlock 7 is the open-close on-off controlling laser two pole.The side, upper end of shell is provided with the liquid crystal display 3 that operation controls display unit.The rear side upper end of shell is provided with the master switch 9 controlling laser velocimeter device of the present utility model and open and close.During use, open master switch, laser velocimeter device of the present utility model is in running status, is aimed at after measured object gun barrel front end, and pull gunlock and to be aimed at the mark Emission Lasers pulse by laser diode, after target reflection, laser is to all directions scattering.Some scattered light turns back to transducer receivers, is imaged onto on avalanche photodide by after optical system reception, focusing.Avalanche photodide is the optical sensor that a kind of inside has enlarging function, and therefore it can detect extremely faint light signal.Receive and calculate and be issued to from light pulse the phase differential returned, the distance of target to laser range sensor can be calculated, and result of calculation is presented on liquid crystal display 3.
Be provided with for test data is carried out calculation process in described shell, to generate the data collection control unit of real-time Distance geometry speed data, described data collection control unit connects laser range sensor and operation controls display unit, also comprise power supply unit, described power supply unit connects described data collection control unit and described laser range sensor, described data collection control unit is also connected with storage unit, described storage unit by wired and/or wireless connections at least for again processing image data, to obtain speed and time at the scene, velocity and distance, acceleration and time, acceleration and distance, distance and time, section mean speed curve, and the processing terminal of each parameter real-time and quantification data.
Preferably, described data collection control unit comprises single-chip microcomputer, and control and data prediction are completed by single-chip microcomputer.Single-chip microcomputer is responsible for completing user instruction execution, sensing data reception, data buffer storage, work such as data wireless transmission (Wifi) and working state of system monitoring etc.Anti-interference Design, the formulation of data transmission, verification, retransmission mechanism, guarantees the integrality of data, accuracy.Data filtering design: raw data through smoothing processing, filtering interfering.Data fault-tolerant designs: the formulation of the judgement of exception error data, filtering, prompting scheme.System autodiagnosis designs: when knotmeter occurs abnormal, automatic decision failure cause.
Preferably, laser range sensor first to be aimed at the mark Emission Lasers pulse by laser diode, and after target reflection, laser is to all directions scattering.Some scattered light turns back to transducer receivers, is imaged onto on avalanche photodide by after optical system reception, focusing.Avalanche photodide is the optical sensor that a kind of inside has enlarging function, and therefore it can detect extremely faint light signal.Receive and calculate and be issued to from light pulse the phase differential returned, the distance of target to laser range sensor can be calculated.The method adopted utilizes Principle of Statistics, realizes high precision and response fast with continuous most value method of average.
The present embodiment adopts German JENOPTIK company LDM series of high speed, high-precision laser range-finding sensor, and range laser pulse belongs to a class laser, guarantees eye-safe.Germany JENOPTIK company LDM series of high speed, high-precision laser range-finding sensor, can realize optimum measurement effect by adjustment parameter configuration.Utilize " average mode " to obtain the highest degree of accuracy and the highest data frequency, compare the range finding needs being suitable for nature reflecting surface object (comprising human body).Without the need to special reflective medium, to the measured without any interference.LDM series of high speed, high-precision laser range-finding sensor have a standard RS232 interface, can control easily, cushion, transmit data, in order to later stage software process, ensure the optimum balance of measuring speed and precision.
Preferably, described storage unit is TF card.The local cache (permanent) of measurement data, guarantee can not under fortuitous event (as: wireless communication interruptions) obliterated data.Can not artificial interference training.
Preferably, described processing terminal is PC, mobile terminal.Measurement data post-processed is realized by terminal software (Windows, Android, iOS system), and software interface is with practical, professional, easy to operate for principle of design.Computer receives data by Wifi wireless connections, and computing also shows data and curves.On-the-spot without the need to stube cable, be more suitable for sports center and use, be very beneficial for dash, hurdle, Long Jump Approach, triple jump run-up, the project such as vault run-up training guidance.Measurement data presses name, date classification, convenient file and retrieval.We by the software later stage to data processing, realize " horizontal survey " and " overlooking measurement " two kinds of test patterns, make system can be applicable to varying environment needs also according to actual needs.Software also possesses video and measurement parameter and curve simultaneous display function.
Preferably, described mobile terminal comprises i Phone, Android mobile phone, IPad palm PC.
Preferably, be provided with optical sight on the housing, video sighting system, red laser aims at utensil.
Preferably, described operation controls display unit and comprises: the frequency that tests the speed be located on described shell is 25Hz/50Hz/100Hz third gear operation push-button, and LED charactron or liquid crystal display.
Preferably, described wireless connections comprise Wifi and connect, and bluetooth connects.
The Software Function Design of described processing terminal is: measurement data can smoothing processing again, and smoothing parameter is variable, adapts to different requirement." level " and " overlooking " two kinds of Measurement Algorithm and start position backoff algorithm are provided, adapt to different measuring environment.Possess video and measurement data and curve simultaneous display function.Can display speed and time, velocity and distance, acceleration and time, acceleration and distance, distance and time, section mean speed curve, and each parameter real-time and quantification data.A point segment distance spaced markings can be made, calculate segmental averaging speed.Many curve combining comparing functions.General format data exports and curve printing function.Data editing function.Personnel and data retrieval function.
Please refer to Fig. 2, described power supply unit comprises electric power management circuit, described electric power management circuit comprises: power supply reference circuit, described power supply reference circuit connects constant temperature modulation module, constant current-Isobarically Control module and status control module, described status control module is connected with power supply monitoring module and temperature protection module by one with door, described constant temperature modulation module connects a diode, described diode connects the grid of the first field effect transistor, the drain electrode of described first field effect transistor connects the source electrode of the second field effect transistor, the drain electrode of described second field effect transistor connects described constant current-Isobarically Control module.This power supply unit can reduce Overall Power Consumption, the needs that adaptation lead-acid battery group, Ni-MH battery group, lithium battery group, digital movable power are powered.
Reference circuit provides reference voltage for other module, and realizes the soft start that starts when charging, avoids the moment starting to charge to produce surge charging current.Whether power supply monitoring module in charge detects supply voltage effective; temperature protection module is as second class protection, and the grid voltage of the first field effect transistor M 0 and the second field effect transistor M 1 is selected higher level to export to control from the output of constant current-Isobarically Control module and constant temperature modulation module.Not high at chip temperature, when not needing to carry out constant temperature modulation, the output of constant temperature modulation module is lower, is completely cut off by diode, and loop is is now regulated and controled by constant current-Isobarically Control module.When chip temperature raises, when making the output of the output of constant temperature modulation module higher than constant current-Isobarically Control module, just by constant temperature modulation module control charge loop.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (10)
1. a laser velocimeter device, comprise shell, it is characterized in that: shell is rifle shape, the battery case of power supply unit is provided with in the small of the stock, the bottom of gun barrel front end is provided with the laser diode of laser range sensor, the top of gun barrel front end is provided with the transducer receivers of laser range sensor, gunlock is the open-close on-off controlling laser two pole, the side, upper end of shell is provided with the liquid crystal display that operation controls display unit, be provided with for test data is carried out calculation process in shell, to generate the data collection control unit of real-time Distance geometry speed data, described data collection control unit connects laser range sensor and operation controls display unit, also comprise power supply unit, described power supply unit connects described data collection control unit and described laser range sensor, described data collection control unit is also connected with storage unit, described storage unit by wired and/or wireless connections at least for again processing image data, to obtain speed and time at the scene, velocity and distance, acceleration and time, acceleration and distance, distance and time, section mean speed curve, and the processing terminal of each parameter real-time and quantification data.
2. laser velocimeter device as claimed in claim 1, it is characterized in that, described data collection control unit comprises single-chip microcomputer.
3. laser velocimeter device as claimed in claim 2, is characterized in that, described laser range sensor adopts LDM type laser range sensor.
4. laser velocimeter device as claimed in claim 3, it is characterized in that, described storage unit is TF card.
5. laser velocimeter device as claimed in claim 4, it is characterized in that, described processing terminal is PC, mobile terminal.
6. laser velocimeter device as claimed in claim 5, it is characterized in that, described mobile terminal comprises i Phone, Android mobile phone, IPad palm PC.
7. laser velocimeter device as claimed in claim 6, is characterized in that, be provided with optical sight on the housing, video sighting system, and red laser aims at utensil.
8. laser velocimeter device as claimed in claim 7, is characterized in that, described operation control display unit comprises: the frequency that tests the speed be located on described shell is 25Hz/50Hz/100Hz third gear operation push-button, and LED charactron or liquid crystal display.
9. laser velocimeter device as claimed in claim 8, is characterized in that, described wireless connections comprise Wifi and connect, and bluetooth connects.
10. laser velocimeter device as claimed in claim 9, it is characterized in that, described power supply unit comprises electric power management circuit, described electric power management circuit comprises: power supply reference circuit, described power supply reference circuit connects constant temperature modulation module, constant current-Isobarically Control module and status control module, described status control module is connected with power supply monitoring module and temperature protection module by one with door, described constant temperature modulation module connects a diode, described diode connects the grid of the first field effect transistor, the drain electrode of described first field effect transistor connects the source electrode of the second field effect transistor, the drain electrode of described second field effect transistor connects described constant current-Isobarically Control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520848587.1U CN205067517U (en) | 2015-10-30 | 2015-10-30 | Laser velometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520848587.1U CN205067517U (en) | 2015-10-30 | 2015-10-30 | Laser velometer |
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| CN205067517U true CN205067517U (en) | 2016-03-02 |
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| CN201520848587.1U Active CN205067517U (en) | 2015-10-30 | 2015-10-30 | Laser velometer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199036A (en) * | 2016-06-28 | 2016-12-07 | 兰建龙 | A kind of in wisdom park test the speed stake and utilization is tested the speed the method that stake tests the speed |
| CN109064725A (en) * | 2018-07-19 | 2018-12-21 | 大族激光科技产业集团股份有限公司 | Laser cutting device management method, device, system, medium and computer equipment |
| CN109839632A (en) * | 2017-11-29 | 2019-06-04 | 中国气象局气象探测中心 | A kind of localization method and device of radar antenna feed |
-
2015
- 2015-10-30 CN CN201520848587.1U patent/CN205067517U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199036A (en) * | 2016-06-28 | 2016-12-07 | 兰建龙 | A kind of in wisdom park test the speed stake and utilization is tested the speed the method that stake tests the speed |
| CN109839632A (en) * | 2017-11-29 | 2019-06-04 | 中国气象局气象探测中心 | A kind of localization method and device of radar antenna feed |
| CN109064725A (en) * | 2018-07-19 | 2018-12-21 | 大族激光科技产业集团股份有限公司 | Laser cutting device management method, device, system, medium and computer equipment |
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