CN105136419A - High speed impact signal acquisition device - Google Patents
High speed impact signal acquisition device Download PDFInfo
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- CN105136419A CN105136419A CN201510447743.8A CN201510447743A CN105136419A CN 105136419 A CN105136419 A CN 105136419A CN 201510447743 A CN201510447743 A CN 201510447743A CN 105136419 A CN105136419 A CN 105136419A
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- impact
- slide rail
- high speed
- infrared
- signal receiver
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Abstract
The invention relates to a high speed impact signal acquisition device, which comprises an impact tooling body. The impact tooling body comprises a base; a first sliding rail and a second sliding rail are vertically arranged on the base; a crossbar is arranged above the two sliding rails; two standing pulleys are arranged on the crossbar; a hanging rope passes through one end of each standing pulley to be connected with an impact block; an acceleration sensor and a spare acceleration sensor are respectively arranged on the impact block; the lower end of the first sliding rail is provided with an infrared signal transmitter; an infrared signal receiver is arranged on the second sliding rail; a laser speed sensor is arranged below the infrared signal receiver; the acceleration sensor, the spare acceleration sensor, the infrared signal receiver and the laser speed sensor are connected with the input end of a signal acquisition device via a wire; and the output end of the signal acquisition device is connected with a computer. The high speed impact signal acquisition device has the advantages that the structure is simple; signal acquisition does not need to be triggered manually; instantaneous signal capture in the case of a high speed impact test can be met; signal acquisition integration can be ensured; and the efficiency is improved.
Description
Technical field
The present invention relates to a kind of high speed impact signal pickup assembly, belong to proving installation technical field.
Background technology
Along with the fast development of auto industry, high speed impact test has been widely used in the collision safety performance test of auto parts and components.Because the time of carrying out high speed impact test is very short, and data to be tested change quickly at short notice, need very high sample frequency, have therefore needed test in a short period of time and have stored a large amount of test figures.And high speed impact test is destructive test, and test sample often can only do single test.Manual activation can gather too much unnecessary test data too early, waste resource, and triggered party causes test data collection imperfect, even cause test failure, comparatively large to the pressure of operating personnel, the moment to keep biotonus, be difficult to the high efficiency of warranty test.
Summary of the invention
The object of the invention is the instantaneous problem capturing test data and can not incur loss through delay of signal pickup assembly needs in the high speed impact test in order to solve auto parts and components, provide a kind of structure simple, compact to design can meet the instantaneous high speed impact signal pickup assembly collecting data.
The present invention adopts following technical scheme: a kind of high speed impact signal pickup assembly, comprise and impact frock body, described impact frock body comprises base, described base is vertically installed with the first slide rail and the second slide rail, the top of described first slide rail and the second slide rail is provided with cross bar, described cross bar is horizontally disposed with the first fixed pulley and the second fixed pulley, the arranged outside of described first slide rail has gim peg, described gim peg is provided with lifting rope, described lifting rope is through the first fixed pulley and the second fixed pulley, the end of described lifting rope is connected with impact block, described base is placed with test sample.
Described impact block is respectively arranged with acceleration transducer and acceleration transducer for subsequent use, the lower end of described first slide rail is provided with Infrared Projector, described second slide rail is provided with infrared signal receiver, the below of described infrared signal receiver is provided with laser speed sensor, described acceleration transducer, acceleration transducer for subsequent use, infrared signal receiver are connected with the input end of signal pickup assembly by wire with laser speed sensor, and the output terminal of described signal pickup assembly is connected with computing machine.
Further, described Infrared Projector and infrared signal receiver are arranged in same level.
Further, described laser speed sensor setting 4 ~ 6cm place below infrared signal receiver.
Structure of the present invention is simple, compact to design, easy to use, without the need to manual activation signals collecting, can meet signal capture instantaneous in high speed impact test, ensure that the integrality of signals collecting, improve the accuracy rate of experiment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the process flow diagram of high speed impulse test of the present invention.
Reference numeral: impact frock body 1, base 2, first slide rail 3, second slide rail 4, cross bar 5, first fixed pulley 6, second fixed pulley 7, gim peg 8, lifting rope 9, impact block 10, test sample 11, acceleration transducer 12, acceleration transducer for subsequent use 13, Infrared Projector 14, infrared signal receiver 15, laser speed sensor 16, signal pickup assembly 17, computing machine 18.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of high speed impact signal pickup assembly, comprise and impact frock body 1, impact frock body 1 and comprise base 2, base 2 is vertically installed with the first slide rail 3 and the second slide rail 4, the top of the first slide rail 3 and the second slide rail 4 is provided with cross bar 5, cross bar 5 is horizontally disposed with the first fixed pulley 6 and the second fixed pulley 7, the arranged outside of the first slide rail 3 has gim peg 8, gim peg 8 is provided with lifting rope 9, lifting rope 9 is through the first fixed pulley 6 and the second fixed pulley 7, and the end of lifting rope 9 is connected with impact block 10, base 2 is placed with test sample 11.
Impact block 10 is respectively arranged with acceleration transducer 12 and acceleration transducer for subsequent use 13, the lower end of the first slide rail 3 is provided with Infrared Projector 14, second slide rail 4 is provided with infrared signal receiver 15, Infrared Projector 14 and infrared signal receiver 15 are arranged in same level, the below of infrared signal receiver 15 is provided with laser speed sensor 16, laser speed sensor establishes 16 to be placed in 4 ~ 6cm place below infrared signal receiver 15, acceleration transducer 12, acceleration transducer 13 for subsequent use, infrared signal receiver 15 is connected by the input end of wire with signal pickup assembly 17 with laser speed sensor 16, the output terminal of signal pickup assembly 17 is connected with computing machine 18.
If Fig. 2 is high speed impact experiment process figure, during test, impact block 10 free-falling, when through Infrared Projector 14 and infrared signal receiver 15 middle time, produce an infrared trigger pip and pass to signal pickup assembly 17, if there is not infrared trigger pip, keep the state waiting for infrared trigger pip, after producing normal infrared trigger pip, control signal harvester 17 to start to gather in acceleration transducer and data in laser speed sensor, if acceleration transducer no signal produces and does not normally work, now start acceleration transducer 13 for subsequent use, signal pickup assembly 17 is picking rate signal and acceleration signal automatically, acquisition time is 4s.
Method of work: when carrying out high speed impact test, from the top impacting frock body 1, high the first slide rail 3 and the second slide rail 4 along impacting frock body freely declines by impact block 10 to unclamp lifting rope 9, test sample 11 is placed on base 2, test sample 11 is positioned at immediately below impact block 10, impact block 10 freely decline when between Infrared Projector 14 and infrared signal receiver 15 through out-of-date, the infrared light velocity is cut off, thus a generation trigger pip passes to signal pickup assembly 17, control signal harvester 17 starts to gather acceleration signal and rate signal, when acceleration transducer 12 is in good condition, signal pickup assembly 17 obtains the acceleration signal that acceleration transducer 12 gathers, when acceleration transducer 12 lost efficacy, signal pickup assembly 17 obtains the acceleration signal that acceleration transducer 13 for subsequent use gathers.Due to from gather the acceleration signal of impact block 10 and rate signal and strike very short during this period of time to after stopping completely of test sample 11, so the acquisition time of signal pickup assembly is set to 4 seconds can meet test request to impact block 10.
Claims (3)
1. a high speed impact signal pickup assembly, it is characterized in that: comprise and impact frock body (1), described impact frock body (1) comprises base (2), described base (2) is vertically installed with the first slide rail (3) and the second slide rail (4), the top of described first slide rail (3) and the second slide rail (4) is provided with cross bar (5), described cross bar (5) is horizontally disposed with the first fixed pulley (6) and the second fixed pulley (7), the arranged outside of described first slide rail (3) has gim peg (8), described gim peg (8) is provided with lifting rope (9), described lifting rope (9) is through the first fixed pulley (6) and the second fixed pulley (7), the end of described lifting rope (9) is connected with impact block (10), described base (2) is placed with test sample (11),
Described impact block (10) is respectively arranged with acceleration transducer (12) and acceleration transducer for subsequent use (13), the lower end of described first slide rail (3) is provided with Infrared Projector (14), described second slide rail (4) is provided with infrared signal receiver (15), the below of described infrared signal receiver (15) is provided with laser speed sensor (16), described acceleration transducer (12), acceleration transducer for subsequent use (13), infrared signal receiver (15) is connected by the input end of wire with signal pickup assembly (17) with laser speed sensor (16), the output terminal of described signal pickup assembly (17) is connected with computing machine (18).
2. high speed impact signal pickup assembly as claimed in claim 1, is characterized in that: described Infrared Projector (14) and infrared signal receiver (15) are arranged in same level.
3. high speed impact signal pickup assembly as claimed in claim 1, is characterized in that: described laser speed sensor (16) is arranged at 4 ~ 6cm place, infrared signal receiver (15) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510447743.8A CN105136419A (en) | 2015-07-27 | 2015-07-27 | High speed impact signal acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510447743.8A CN105136419A (en) | 2015-07-27 | 2015-07-27 | High speed impact signal acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105136419A true CN105136419A (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510447743.8A Pending CN105136419A (en) | 2015-07-27 | 2015-07-27 | High speed impact signal acquisition device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105136419A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124345A (en) * | 2016-07-04 | 2016-11-16 | 无锡吉兴汽车声学部件科技有限公司 | Obtain the method for drift local pressure situation in shock-testing |
| CN109870287A (en) * | 2019-03-07 | 2019-06-11 | 中北大学 | The high g load load point photoelectric eye of ignition capacitor and test method |
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| CN101551293A (en) * | 2009-04-09 | 2009-10-07 | 上海交通大学 | Simulated collision test device and test method thereof |
| CN201533351U (en) * | 2009-05-19 | 2010-07-21 | 上海闻泰电子科技有限公司 | Device for snapping dropping surface under free falling situation of mobile phone |
| CN102251807A (en) * | 2011-04-07 | 2011-11-23 | 同济大学 | Trigger control method |
| CN102680200A (en) * | 2012-05-25 | 2012-09-19 | 湖南大学 | Airbag head hammer falling static testing device |
| CN203894022U (en) * | 2014-06-17 | 2014-10-22 | 江西洪都航空工业集团有限责任公司 | Testing signal acquisition trigger device of high-speed bump test |
| CN204043883U (en) * | 2014-08-18 | 2014-12-24 | 中国航天空气动力技术研究院 | A kind of unmanned plane skid landing system drop-test platform |
| CN104236840A (en) * | 2014-10-11 | 2014-12-24 | 合肥工业大学 | Vertical dropping impact test system |
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2015
- 2015-07-27 CN CN201510447743.8A patent/CN105136419A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101551293A (en) * | 2009-04-09 | 2009-10-07 | 上海交通大学 | Simulated collision test device and test method thereof |
| CN201533351U (en) * | 2009-05-19 | 2010-07-21 | 上海闻泰电子科技有限公司 | Device for snapping dropping surface under free falling situation of mobile phone |
| CN102251807A (en) * | 2011-04-07 | 2011-11-23 | 同济大学 | Trigger control method |
| CN102680200A (en) * | 2012-05-25 | 2012-09-19 | 湖南大学 | Airbag head hammer falling static testing device |
| CN203894022U (en) * | 2014-06-17 | 2014-10-22 | 江西洪都航空工业集团有限责任公司 | Testing signal acquisition trigger device of high-speed bump test |
| CN204043883U (en) * | 2014-08-18 | 2014-12-24 | 中国航天空气动力技术研究院 | A kind of unmanned plane skid landing system drop-test platform |
| CN104236840A (en) * | 2014-10-11 | 2014-12-24 | 合肥工业大学 | Vertical dropping impact test system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124345A (en) * | 2016-07-04 | 2016-11-16 | 无锡吉兴汽车声学部件科技有限公司 | Obtain the method for drift local pressure situation in shock-testing |
| CN109870287A (en) * | 2019-03-07 | 2019-06-11 | 中北大学 | The high g load load point photoelectric eye of ignition capacitor and test method |
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Application publication date: 20151209 |