CN204364848U - Oar is acquisition device frequently - Google Patents
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- CN204364848U CN204364848U CN201420833751.7U CN201420833751U CN204364848U CN 204364848 U CN204364848 U CN 204364848U CN 201420833751 U CN201420833751 U CN 201420833751U CN 204364848 U CN204364848 U CN 204364848U
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- 230000000386 athletic effect Effects 0.000 description 5
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- 230000006872 improvement Effects 0.000 description 2
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Abstract
The utility model discloses a kind of oar frequently acquisition device, comprising: acceleration transducer, the acceleration signal in the driving process caused in paddle for the tested ships and light boats of Real-time Obtaining, and be sent to signal compensation module; Signal compensation module, is electrically connected with described acceleration transducer, converts actual acceleration value signal to for compensating the acceleration signal in described driving process received, and is sent to oar determination module frequently; Oar is determination module frequently, is electrically connected with described signal compensation module, for the acceleration value signal according to the described reality received, calculates acceleration rate signal and frequency thereof over time described in described driving process.The oar that the utility model provides is acquisition device frequently, can obtain oar information frequently fast and accurately, reflect the isoparametric dynamic change frequently of ship's speed, oar in real time.
Description
Technical field
The utility model relates to a kind of oar acquisition device frequently, is specifically related to the oar acquisition device frequently based on accelerating curve.
Background technology
Boating aquatics programme is always that the gold medal of the Olympic Games produces rich and influential family, the key research projects of the State Physical Culture and Sports Commission " 119 " engineering, specifically comprise: racing boat, kayak, canoe, sailing boat, windsurfing etc., these are all Olympic medal sport, also have dragon boat, the project such as to strike among the people.
In recent years, countries in the world are more focused on the scientific and technological content that improves results as new growth point in new century competitive sports development, rely on scientific method and means to train sportsman, improve athletic technical merit, become a kind of trend of world's athletic sports training.
Boat, rowing all belong to speed and endurance events, all have high requirement to strength and technology, and the improvement of athletic selection, technical movements, the reasonable arrangement of tactics, many people ship personnel collocation all need scientific basis and theoretical direction.These scientific basis and theoretical direction derive from the kinematics parameters information such as oar frequency, oar journey, ship's speed, according to the attitude of the hulls such as the wiggly amplitude of these kinematics parameters information analysis hulls, frequency, the amplitude that pitches, oar frequency.Due to the obstruct in waters, great difficulty is caused to the field monitoring of these parameters, particularly the acquisition of instant training data waterborne, on the judgement of coach with instruct effect to have great impact.Current training still rests on coach and opens motor boat " men-to-men defense " training on the water, and under this mode, coach assesses training athlete situation with individual's sensation entirely by rule of thumb.The acquisition degree of accuracy of these kinematics parameters is low, and result cannot quantize, and inevitably produces human error, and considerably increases measurement expense.
Utility model content
In view of this, provide a kind of oar frequently acquisition device, be applicable to skin, draw, the ship's speed of racing boat, oar measurement frequently, the isoparametric dynamic change frequently of ship's speed, oar can be reflected in real time.
According to one side of the present utility model, a kind of oar acquisition device is frequently provided, comprise acceleration transducer, signal compensation module, oar determination module and display module frequently, wherein, described acceleration transducer, acceleration signal in the driving process caused in paddle for the tested ships and light boats of Real-time Obtaining, and be sent to signal compensation module; Described signal compensation module, is electrically connected with described acceleration transducer, for being received in the acceleration signal in described driving process, and compensates to it acceleration value signal converting reality to; Oar is determination module frequently, is electrically connected, for the acceleration value signal according to described reality, calculates acceleration rate signal and frequency thereof over time described in described driving process with described signal compensation module.
Preferably, described acceleration transducer is 3-axis acceleration sensor.
Preferably, described oar frequency determination module comprises:
Rate of acceleration change analysis module, is electrically connected with described signal compensation module, and for according to acceleration rate signal over time described in described driving process, that determines zero-time of described rowing action or described rowing action completes moment;
Id signal sending module, be electrically connected with described rate of acceleration change analysis module, determining the zero-time of described rowing action or completing instantaneously of described rowing action, id signal is sent in real time to computing module, in described id signal, comprise identifier, described identifier for identify current be described rowing action zero-time or complete moment;
Computing module, is electrically connected with described id signal sending module, for according to the time receiving each described id signal, determines the oar of each described acceleration signal frequently.
Preferably, described oar frequently acquisition device also comprises memory module, stores the frequency information of each described rowing action.
Preferably, described oar frequently acquisition device also comprises display module, is electrically connected, for being presented at rate signal and the frequency thereof over time of acceleration described in described driving process with described oar frequency determination module.
The oar that the utility model provides is acquisition device frequently, can obtain oar information frequently fast and accurately, reflect the isoparametric dynamic change frequently of ship's speed, oar in real time.
Accompanying drawing explanation
By referring to the description of accompanying drawing to the utility model embodiment, above-mentioned and other objects, features and advantages of the present utility model will be more clear, in the accompanying drawings:
Fig. 1 is the structural representation of the oar frequency acquisition device of the utility model embodiment one.
Fig. 2 is the structural representation of the oar frequency acquisition device of the utility model embodiment two;
Fig. 3 is the workflow schematic diagram of the oar frequency acquisition device of the utility model embodiment.
Detailed description of the invention
Based on embodiment, the utility model is described below, but the utility model is not restricted to these embodiments.In hereafter details of the present utility model being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the utility model completely for a person skilled in the art yet.In order to avoid obscuring essence of the present utility model, known method, process, flow process, element and circuit do not describe in detail.
In addition, it should be understood by one skilled in the art that the accompanying drawing provided at this is all for illustrative purposes, and accompanying drawing is not necessarily drawn in proportion.
Unless the context clearly requires otherwise, similar words such as " comprising ", " comprising " otherwise in whole description and claims should be interpreted as the implication that comprises instead of exclusive or exhaustive implication; That is, be the implication of " including but not limited to ".
In description of the present utility model, it is to be appreciated that term " first ", " second " etc. are only for describing object, and instruction or hint relative importance can not be interpreted as.In addition, in description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
Fig. 1 is the structural representation of a kind of oar frequency acquisition device that the utility model embodiment one provides.
As shown in Figure 1, this oar frequency acquisition device mainly comprises: the acceleration transducer 101 of electrical connection mutually, signal compensation module 102, oar determination module 103 frequently.
Acceleration transducer 101, the acceleration signal in the driving process caused in paddle for the tested ships and light boats of Real-time Obtaining, and be sent to signal compensation module.
This acceleration transducer 101 can be not limited to 3-axis acceleration sensor 101.Adopt 3-axis acceleration sensor accurately can identify the amplitude, rhythm, orientation, direction etc. of rowing action, the acceleration of user action can be determined in any one direction three-dimensional.
Signal compensation module 102, converts actual acceleration value signal to for compensating the acceleration signal in described driving process received, and is sent to oar determination module frequently.
Oar is determination module 103 frequently, is electrically connected with described signal compensation module 102, for the acceleration value signal according to the described reality received, calculates acceleration rate signal and frequency thereof over time described in described driving process.
Determine that frequency is the motion frequency of the upper rowing action of current kinetic person, this oar frequently determination module 103 can but be not limited to and realize on a single-chip microcomputer.
When implementing, the oar frequency acquisition device that this can be comprised 3-axis acceleration sensor 101, signal compensation module 102 and oar frequency determination module 103 is arranged to sportsman's wearable device, this device can by the rate of acceleration change identification of Y-axis and Z axis, can judge that specifically drawing right oar still draws left oar, or left and right oar is drawn together or left and right paddle wheel flow is drawn, and the acceleration obtained in stroke left or right oar process and moment.
The structural representation of a kind of oar frequency acquisition device that Fig. 2 provides for the utility model embodiment two.
By Fig. 2 finding, the present embodiment and embodiment difference, the oar frequency determination module 203 of the present embodiment mainly comprises rate of acceleration change analysis module 2031, id signal sending module 2032, computing module 2033.Wherein specific works principle is as follows:
Rate of acceleration change analysis module 2031, for according to acceleration rate signal over time described in described driving process, determines the zero-time of described rowing action or completing instantaneously of described rowing action.
Id signal sending module 2032, be electrically connected with described rate of acceleration change analysis module 2031, determining the zero-time of described rowing action or completing instantaneously of described rowing action, id signal is sent in real time to computing module, in described id signal, comprise identifier, described identifier for identify current be described rowing action zero-time or complete moment.
Computing module 2033, is electrically connected with described id signal sending module 2032, for according to the time receiving each described id signal, determines the oar of each described acceleration signal frequently.
When receiving the id signal completed instantaneously of mark rowing action, record the time T1 that this receives, when receiving the id signal completed instantaneously of next mark rowing action, record the time T2 that this receives, then using the interval T 0 of time T1 to T2 as rowing phase, and 60/T0 is oar frequently (number of times of paddle in a minute).
The oar that the utility model provides is acquisition device and method frequently, can obtain oar information frequently fast and accurately, reflect the isoparametric dynamic change frequently of ship's speed, oar in real time.
Can further include in the present embodiment system: memory module and display module.
Store the oar information frequently of each training in a storage module, so that system is done further to utilize and analyze according to storage data; System according to the accelerating curve change of each training, can also be carried out overall assessment to athletic state and specifies further drill program and strategy.Display module is used for being presented at rate signal and the frequency thereof over time of acceleration described in described driving process.Sportsman can see the accelerating curve change in current training in the training process, adjusts the state of oneself.
The workflow schematic diagram of a kind of oar frequency acquisition device that Fig. 3 provides for the utility model embodiment.
Participate in Fig. 3, specific works flow process is as follows:
Acceleration signal in the driving process that step S01, Real-time Obtaining paddle cause.
Carry out sportsman in the process of paddle, can sensor sensing sportsman rowing action implementation be passed through, obtain the acceleration signal caused by user's rowing action.
In the present embodiment, this sensor can be acceleration transducer, or high accuracy 3-axis acceleration sensor or other.
Adopt 3-axis acceleration sensor accurately can identify the amplitude, rhythm, orientation, direction etc. of rowing action, the acceleration of sportsman's paddle can be determined in any one direction three-dimensional.
The device comprising 3-axis acceleration sensor can by the rate of acceleration change identification of Y-axis and Z axis, can judge that specifically drawing right oar still draws left oar, or left and right oar is drawn together or left and right paddle wheel flow is drawn, and the acceleration obtained in stroke left or right oar process and moment.
Step S02, the acceleration signal in described driving process compensated convert actual acceleration value signal to.
The acceleration signal of step S01 Real-time Obtaining is transferred to a signal compensation module, being tabled look-up to compensate to the acceleration signal in described driving process by this signal compensation module converts actual acceleration value signal to.
Step S03, acceleration value signal according to described reality, calculate acceleration rate signal and frequency thereof over time described in described driving process.
Frequency determining module, according to the actual acceleration numerical signal of (each time point) in sportsman's paddle process, calculates acceleration rate signal and frequency thereof over time described in described driving process.
Sportsman is in paddle process, paddle zero-time or complete moment, its rate of acceleration change has specific feature, thus in the present embodiment can but be not limited to according to paddle zero-time or the determination completing moment and determine rowing phase, and then determine that oar is frequently.
Therefore each according to acceleration rate signal over time, after detecting that paddle completes moment, id signal can be sent to host computer, in described id signal, comprise identifier, identifier is current to be the zero-time of described action or to complete moment.Host computer is when receiving the id signal completed instantaneously of mark rowing action, record the time T1 that this receives, when receiving the id signal completed instantaneously of next mark rowing action, record the time T2 that this receives, then using the interval T 0 of time T1 to T2 as rowing phase, and 60/T0 is oar frequently (number of times of paddle in a minute).
In addition, in the present embodiment, after the oar frequency information that acquisition sportsman trains at every turn, can further include and the oar of at every turn training frequency information is stored in system, so that system does further utilization and analysis according to storage data; System according to the accelerating curve change of each training, can also be carried out overall assessment to athletic state and specifies further drill program and strategy.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, to those skilled in the art, the utility model can have various change and change.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. an oar acquisition device frequently, comprising:
Acceleration transducer, the acceleration signal in the driving process caused in paddle for the tested ships and light boats of Real-time Obtaining, and be sent to signal compensation module;
Signal compensation module, is electrically connected with described acceleration transducer, converts actual acceleration value signal to for compensating the acceleration signal in described driving process received, and is sent to oar determination module frequently;
Oar is determination module frequently, is electrically connected with described signal compensation module, for the acceleration value signal according to the described reality received, calculates acceleration rate signal and frequency thereof over time described in described driving process.
2. oar according to claim 1 acquisition device frequently, wherein, described acceleration transducer is 3-axis acceleration sensor.
3. oar according to claim 1 and 2 acquisition device frequently, wherein, described oar frequently determination module comprises:
Rate of acceleration change analysis module, is electrically connected with described signal compensation module, and for according to acceleration rate signal over time described in described driving process, that determines zero-time of described rowing action or described rowing action completes moment;
Id signal sending module, be electrically connected with described rate of acceleration change analysis module, determining the zero-time of described rowing action or completing instantaneously of described rowing action, id signal is sent in real time to computing module, in described id signal, comprise identifier, described identifier for identify current be described rowing action zero-time or complete moment;
Computing module, is electrically connected with described id signal sending module, for according to the time receiving each described id signal, determines the oar of each described acceleration signal frequently.
4. oar according to claim 1 and 2 acquisition device frequently, wherein, described oar frequently acquisition device also comprises memory module, stores the frequency information of each described rowing action.
5. oar according to claim 1 and 2 acquisition device frequently, wherein, described oar frequently acquisition device also comprises display module, is electrically connected, for being presented at rate signal and the frequency thereof over time of acceleration described in described driving process with described oar frequency determination module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833751.7U CN204364848U (en) | 2014-12-24 | 2014-12-24 | Oar is acquisition device frequently |
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| CN201420833751.7U CN204364848U (en) | 2014-12-24 | 2014-12-24 | Oar is acquisition device frequently |
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| CN204364848U true CN204364848U (en) | 2015-06-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771219A (en) * | 2014-12-24 | 2016-07-20 | 北京中体动力数字技术有限公司 | Stroke frequency acquisition device and acquisition method thereof |
| CN110412627A (en) * | 2019-05-30 | 2019-11-05 | 沈恒 | A kind of hydrostatic project ship, the acquisition of paddle data application method |
| CN110456102A (en) * | 2019-07-15 | 2019-11-15 | 深圳和鹭赛艇体育科技有限公司 | Data monitoring method, device, computer equipment and storage medium |
-
2014
- 2014-12-24 CN CN201420833751.7U patent/CN204364848U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771219A (en) * | 2014-12-24 | 2016-07-20 | 北京中体动力数字技术有限公司 | Stroke frequency acquisition device and acquisition method thereof |
| CN110412627A (en) * | 2019-05-30 | 2019-11-05 | 沈恒 | A kind of hydrostatic project ship, the acquisition of paddle data application method |
| CN110456102A (en) * | 2019-07-15 | 2019-11-15 | 深圳和鹭赛艇体育科技有限公司 | Data monitoring method, device, computer equipment and storage medium |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20171224 |