CN205549488U - Ultrasonic wave chin tester - Google Patents
Ultrasonic wave chin tester Download PDFInfo
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- CN205549488U CN205549488U CN201620386187.8U CN201620386187U CN205549488U CN 205549488 U CN205549488 U CN 205549488U CN 201620386187 U CN201620386187 U CN 201620386187U CN 205549488 U CN205549488 U CN 205549488U
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- chin
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Abstract
The utility model relates to an ultrasonic wave chin tester, its characterized in that: including MCU and rather than the ultrasonic transducer, infrared probe, voice broadcast ware, the electronic display screen that link to each other, ultrasonic transducer is for the human top of the head displacement interval of real -time measurement and write down the number of times of human chin, infrared probe be used for detecting wrist or forearm front end whether lie in its inspection path go up and lie in on its inspection path the time long. The utility model discloses a human top of the head displacement interval of ultrasonic transducer real -time measurement changes the change number of repetition of effective distance into the signal of telecommunication, combines infrared probe to carry out the counting method of human body response and timing, record chin number of times. The artifical measuring and half automated inspection's error among the prior art has been overcome to this tester for measuring result is more accurate, accords with national testing standard.
Description
Technical field
This utility model relates to chin-up test apparatus field, particularly relates to a kind of ultrasound wave chin-up tester.
Background technology
One, chin-up is trunk and the exercise event of muscle of upper extremity strength of Developing Students '.Within 2013, start " country's student physical health standard " test chin-up to be surveyed one of project as junior-senior high school and university each grade boy student, and chin-up defines concrete action criteria and method of testing.Method of testing for " experimenter takeoffs both hands ordinary grip thick stick, two handss and shoulder with wide become ordinary hang, static rear two-arm the most firmly draws body, is pulled upward to lower jaw and exceedes whippletree upper limb for completing once, and the time is within one minute, to record to draw body total degree ".Testing standard is proposed concrete requirement.(1) experimenter answers both hands overgrasp on horizontal bar, starts test after health is static；(2) during chin-up, lower jaw requires more than whippletree upper limb, and health must not do big swing, also must not prop up by other additional move；The interval time of (3) twice chin-up stopped test more than 10 seconds.Therefore tempering or needing when test to carry out counting and detect posture or action whether conformance with standard.When in test at the scene, chin-up to measured carries out artificial counting, some student's arms not up to closely vertically begin to do next action, some chins not up to whippletree upper limb state is just put down, some tested personnel's hangings do the situations such as action after having a rest on thick stick more than more than 10 seconds again, therefore when counting the number of times of chin-up, ambiguous situation occurs, measured's chin-up action is the most up to standard there is subjective judgment factor observing for stroke counter, not only labor intensive, being also easy to make mistakes causes dispute.For specification chin-up action criteria and unified counting yardstick, guiding student is correctly practised and tests, and unified counting criteria.This utility model utilizes ultrasonic ranging (crown displacement is interval) technology and infrared induction (timing, human body sensing) technology to combine, skeleton yardstick through a large amount of human engineerings is tested to measure and is analyzed, the ingenious appearance design utilizing object gravity principle, creates the chin-up test counting instruments that a practicality is portable.
Two, in existing chin-up test calculating instrument technology, Ma Yao in 2009 etc. utilize a detection counting unit and a chronoscope numerical value notification unit, it is separately positioned on the framework of horizontal bar equipment with on cross bar, utilizes blocking infrared ray red and the mode triggering timing of outside line detector and counting；Within 2010, Han Hongbo utilizes test main frame and is worn on the wireless attitude transducer composition system of tester's upper arm parts to count chin-up number of times；The Tan Tengfei etc. of Hunan Normal University in 2013, utilize signal receiver to be fixed on horizontal bar by support bar to receive and be worn on the signal that the signal projector with measured sends, judge that measured's location judges that the position of measured counts chin-up according to the signal received；The Yuan Yan etc. of Jiangxi Normal University in 2015, utilizes Magnetic Induction head to connect Magnet and counts for chin-up；The glidepath of design such as Deng Kui in 2015, upper slide rail, guide rail, underarm are fixed connecting rod, enumerator, underarm and upper arm and are fixed and be evenly distributed with multiple bandage on connecting rod and guide rail, and top enumerator being fixedly mounted on guide rail counts.The most no matter it is to use mechanical movement principle or electromagnetic field technology or the technology using infrared induction that the chin-up project of measured is automatically detected and counted, show that structure is complicated, corollary equipment is many, being not suitable for out of doors or large-scale use, use simultaneously on the many single poles out of doors of chin-up project testing, the Pulling-up tester of prior art installs complexity, the most portable movement, being easier in test process damage, installation operation is difficult to and maintenance difficulties is big, is vulnerable to interference.In a word, existing chin-up counting equipment is unsuitable for the use of extensive scope, it is impossible to is formed and tests unified chin-up measurement for " country's student physical health standard ".
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of ultrasound wave chin-up tester, and this tester overcomes manual detection and the error of semi-automatic detection in prior art so that measurement result is more accurate, meets country's testing standard.
This utility model uses below scheme to realize: a kind of ultrasound wave chin-up tester, including MCU and coupled ultrasound probe, infrared probe, voice announcer, electronic display；Described ultrasound probe is in order to measure human body crown displacement interval in real time and to record the number of times of human body chin-up, and described infrared probe is in order to detect whether wrist or forearm front end are positioned on its detection path and are positioned at the duration on its detection path.
Further, described ultrasound wave chin-up tester also includes the casing arranging MCU, voice announcer and electronic display, described casing is provided above one in order to the clamping device being fixed on horizontal bar by ultrasound wave chin-up tester, and described clamping device is provided above a detection adjutage；Described clamping device is provided with described infrared probe, and described detection adjutage is provided with described ultrasound probe.
Further, described detection adjutage is provided with a temperature sensor, and described temperature sensor is connected with described MCU, in order to the speed of ultrasound wave is carried out temperature-compensating.
Further, described ultrasound probe is arranged on 10 centimetres to 20 centimetres of horizontal bar rear, top 35 centimeters by described detection adjutage.
Further, described infrared probe passes through described clamping device 10 centimetres to 15 centimetres, the back lower place of horizontal bar.
Further, described clamping device is at a certain distance from described ultrasound probe vertical line side.
Further, described certain distance is 30 centimetres to 40 centimetres.
Further, described MCU is also associated with one in order to the output bluetooth equipment of transmitting test data, input/output interface；Described output bluetooth equipment, input/output interface are arranged on casing.
Further, described MCU is also associated with a rechargeable battery；Described rechargeable battery is arranged in casing.
Compared with prior art, this utility model has the advantage that this utility model uses ultrasound probe to measure human body crown displacement interval in real time, the change number of repetition of coverage is changed into the signal of telecommunication, human body sensing and timing, and then the method for counting of record chin-up number of times is carried out in conjunction with infrared probe.This tester overcomes manual detection and the error of semi-automatic detection in prior art so that measurement result is more accurate, meets country's testing standard.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is circuit theory schematic diagram of the present utility model.
In figure: 1 is ultrasound probe, 2 is infrared probe, and 3 is detection adjutage, and 4 is horizontal bar, and 5 is casing.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is described further by embodiment.
The present embodiment provides a kind of ultrasound wave chin-up tester, as depicted in figs. 1 and 2, including MCU and coupled ultrasound probe 1, infrared probe 2, voice announcer, electronic display；Described ultrasound probe is in order to measure human body crown displacement interval in real time and to record the number of times of human body chin-up, and described infrared probe is in order to detect whether wrist or forearm front end are positioned on its detection path and are positioned at the duration on its detection path.When staff on horizontal bar hold thick stick direction be ordinary grip time, wrist or forearm front end can block infrared ray, and described infrared probe can sense wrist or forearm front end；Same, when staff on horizontal bar hold thick stick direction be reverse grip time, described infrared probe then cannot sense wrist or forearm front end (wearing wrist-watch position), it is impossible to is identified.
In the present embodiment, ultrasound wave chin-up tester described in described ultrasound probe includes the casing 5 arranging MCU, voice announcer and electronic display, described casing 5 is provided above one in order to ultrasound wave chin-up tester is fixed on the clamping device on horizontal bar 4, and described clamping device is provided above a detection adjutage 3；Described clamping device is provided with described infrared probe 2, and described detection adjutage 3 is provided with described ultrasound probe 1.The present embodiment uses the design of lightness sensation in the upper and heaviness in the lower, scientific utilization gravity mechanics principle, and uses clamping device to reduce the structure design that tester needs to utilize the adnexaes such as screw fixing on thick stick.
In the present embodiment, described detection adjutage is provided with a temperature sensor, and described temperature sensor is connected with described MCU, in order to the speed of ultrasound wave is carried out temperature-compensating.
In the present embodiment, described ultrasound probe 1 is arranged on 10 centimetres to 20 centimetres of horizontal bar 4 rear, top 35 centimeters by described detection adjutage.
In the present embodiment, described infrared probe 2 passes through described clamping device 10 centimetres to 15 centimetres, the back lower place of horizontal bar 4.
In the present embodiment, described clamping device is at a certain distance from described ultrasound probe 1 vertical line side.
In the present embodiment, described certain distance is 30 to 40 centimetres.
In the present embodiment, described MCU is also associated with one in order to the output bluetooth equipment of transmitting test data, input/output interface；Described output bluetooth equipment, input/output interface are arranged on casing.
In the present embodiment, described MCU is also associated with a rechargeable battery；Described rechargeable battery is arranged in casing.
In the present embodiment, as shown in Figure 1, in figure, takeoff and hold thick stick when tested personnel stand in the lower section of horizontal bar and start, described infrared probe can sense tested personnel's wrist be ordinary grip after horizontal bar, voice broadcast " prepares ", supersonic range finder starts automatically to record the distance between tested people's head and ultrasound probe simultaneously, and report " beginning " timing after 2 seconds, during timing a length of one minute, the time terminate after be automatically stopped supersonic range finder and voice broadcast " stops "；Or tested personnel cannot continue chin-up action and unclamp horizontal bar, infrared ray can not sense that tested personnel's wrist terminates supersonic range finder when being held on horizontal bar automatically and voice broadcast " stops " for 2 seconds；Or head coverage change when ultrasound wave fails to sense chin-up action next time in 10 seconds after completing a chin-up action will be automatically stopped and voice broadcast " stops ".
In the present embodiment, described ultrasound probe is positioned at away from 10 centimetres to 20 centimetres of single pole rear, because ultrasound wave has certain diffusion, the horizontal bar being positioned at lower section can cause obstacle；Described ultrasound probe 35 centimeters the most above, in order to launch and to receive ultrasound wave.The tested people that ultrasound probe records at first goes to during chin-up ordinary hang state the distance of head and probe as original reference distance 55 centimetres to 90 centimetres, below do head when arm after chin-up completes each time becomes ordinary hang and probe distance when the positive and negative 5 centimetres of positions of original reference distance as effectively identifying distance and position, the sound that concurrently " ticks " is pointed out, and can continue to do next chin-up action；When tested people do when chin-up action lower jaw crosses bar the crown from probe distance less than 20 centimetres time numeration for completing one-off, send the prompting also count off of " ticking " sound, and be recorded as a chin-up action, with this calculation times record count off repeatedly.
Especially, the data with reference to human engineering show: chin-up test event is for boy student more than junior middle school, and therefore 12 years old later head length of teenager finalizes the design almost.Show according to the positive common practice junior-high school student in Fujian Province 1000 and university students's anthropometric data: the peak length maximum of lower jaw minimum point to the crown is 27.9cm, minima 20.1cm, between averagely (24.2 ± 1.35) cm, therefore ultrasound probe is located at 35 centimeters above thick stick；Cranium high (Most students all can stretch incidence backward to raise lower jaw consciously and reach the upper limb holding thick stick to complete the requirement of test when doing chin-up) maximum is as 22cm, minima is 15cm, average between (17.8 ± 1.3) cm, therefore tested people is done crown when chin-up action lower jaw crosses bar and count as completing one-off less than during 20cm from probe distance；Head top during holding rod hanging is 47cm with distance (the holding rod drop height height) maximum of bar, minima is 20cm, average between (33.8 ± 3.9) cm, therefore using distance (55-90) cm of head during ordinary hang state and probe as original reference distance；Shoulder breadth maximum 48.00 cm, minima 30.00 cm, between average (40.5 ± 3.5) cm, hence with base of principle of human engineering a design that is connected and fixed of instrument and horizontal bar at ultrasound probe vertical line side (30-40) cm.
The foregoing is only preferred embodiment of the present utility model, all impartial changes done according to this utility model claim and modification, all should belong to covering scope of the present utility model.
Claims (9)
1. a ultrasound wave chin-up tester, it is characterised in that: include MCU and coupled ultrasound probe, infrared probe, voice announcer, electronic display；Described ultrasound probe is in order to measure human body crown displacement interval in real time and to record the number of times of human body chin-up, and described infrared probe is in order to detect whether wrist or forearm front end are positioned on its detection path and are positioned at the duration on its detection path.
A kind of ultrasound wave chin-up tester the most according to claim 1, it is characterized in that: include arranging the casing of MCU, voice announcer and electronic display, described casing is provided above one in order to the clamping device being fixed on horizontal bar by ultrasound wave chin-up tester, and described clamping device is provided above a detection adjutage；Described clamping device is provided with described infrared probe, and described detection adjutage is provided with described ultrasound probe.
A kind of ultrasound wave chin-up tester the most according to claim 1, it is characterised in that: described detection adjutage is provided with a temperature sensor, and described temperature sensor is connected with described MCU, in order to the speed of ultrasound wave is carried out temperature-compensating.
A kind of ultrasound wave chin-up tester the most according to claim 1, it is characterised in that: described ultrasound probe is arranged on 10 centimetres to 20 centimetres of horizontal bar rear, top 35 centimeters by described detection adjutage.
A kind of ultrasound wave chin-up tester the most according to claim 1, it is characterised in that: described infrared probe, is used for sensing forearm front end and carpal joint 10 centimetres to 15 centimetres, the back lower place of horizontal bar by described clamping device.
A kind of ultrasound wave chin-up tester the most according to claim 1, it is characterised in that: described clamping device is at a certain distance from described ultrasound probe vertical line side.
A kind of ultrasound wave chin-up tester the most according to claim 6, it is characterised in that: described certain distance is 30 centimetres to 40 centimetres.
A kind of ultrasound wave chin-up tester the most according to claim 1, it is characterised in that: described MCU is also associated with one in order to the output bluetooth equipment of transmitting test data, input/output interface；Described output bluetooth equipment, input/output interface are arranged on casing.
A kind of ultrasound wave chin-up tester the most according to claim 1, it is characterised in that: described MCU is also associated with a rechargeable battery；Described rechargeable battery is arranged in casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386187.8U CN205549488U (en) | 2016-05-03 | 2016-05-03 | Ultrasonic wave chin tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386187.8U CN205549488U (en) | 2016-05-03 | 2016-05-03 | Ultrasonic wave chin tester |
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| Publication Number | Publication Date |
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| CN205549488U true CN205549488U (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620386187.8U Expired - Fee Related CN205549488U (en) | 2016-05-03 | 2016-05-03 | Ultrasonic wave chin tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944363A (en) * | 2016-05-03 | 2016-09-21 | 胡振禹 | Ultrasonic pull-up tester and control method thereof |
| CN113559488A (en) * | 2021-07-06 | 2021-10-29 | 山东体育学院 | A comprehensive tester for sports teaching usefulness |
-
2016
- 2016-05-03 CN CN201620386187.8U patent/CN205549488U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944363A (en) * | 2016-05-03 | 2016-09-21 | 胡振禹 | Ultrasonic pull-up tester and control method thereof |
| CN113559488A (en) * | 2021-07-06 | 2021-10-29 | 山东体育学院 | A comprehensive tester for sports teaching usefulness |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160907 Termination date: 20190503 |