CN101957291B - System for testing dynamic rigidity of loading air sac - Google Patents

System for testing dynamic rigidity of loading air sac Download PDF

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Publication number
CN101957291B
CN101957291B CN2010105008251A CN201010500825A CN101957291B CN 101957291 B CN101957291 B CN 101957291B CN 2010105008251 A CN2010105008251 A CN 2010105008251A CN 201010500825 A CN201010500825 A CN 201010500825A CN 101957291 B CN101957291 B CN 101957291B
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module
air bag
wireless communication
fork
pressure testing
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CN101957291A (en
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孙小权
邹丽英
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Abstract

The invention discloses a system for testing dynamic rigidity of a loading air sac. The system comprises an air sac dynamic pressure testing device and a host module, wherein the host module comprises a main microprocessor which is connected with a ranging module, an inclination angle measurement module, a first wireless communication module and a storage module; the air sac dynamic pressure testing device is connected with the loading air sac and used for detecting pressure in the air sac, converting the pressure into an electric signal and then pressure data and uploading the pressure data to the main microprocessor through the wireless communication module; the ranging module is used for measuring the real-time height of the air sac in a moving process; the inclination angle testing module is used for measuring change of the inclination angle of a mounting reference surface of the ranging module; the first wireless communication module is used for the communication between the air sac dynamic pressure testing device and the main microprocessor and uploading the test result data to an upper computer after the test is finished; and the main microprocessor is used for processing and storing the data tested by the test modules.

Description

Load-carrying air bag dynamic rate test macro
Technical field
The present invention relates to a kind of dynamic rate test macro of load-carrying air bag.
Background technology
At present, aspects such as the load-carrying air bag is moved at main facilities, boats and ships air bag launching have obtained using widely, but because this respect lacks theoretical foundation; From security consideration, limited the further application of load-carrying air bag, a lot of units are all in the theoretical research of carrying out this respect; But because load-carrying air bag bearing capacity is very big; Do not have so big pressure testing machine support to carry out the measurement of rigidity data, generally just can only use ballonet rigidity to replace or theoretical formula calculating, have bigger error.
Summary of the invention
In order to solve the problem that the load-carrying air bag is further used, for Theoretical Calculation provides more accurate air bag rigidity data, the present invention provides a cover load-carrying air bag dynamic rate test macro.
Technical scheme of the present invention:
The test macro of load-carrying air bag dynamic rate; It is characterized in that: comprise air bag dynamically pressure testing device and host module; Said air bag dynamically pressure testing device is connected through radio communication with host module; Said host module comprises master microprocessor, is connected with range finder module, measurement of dip angle module, first wireless communication module and memory module on the said master microprocessor; Said air bag dynamically pressure testing device comprises microprocessor, is connected with the pressure measuring module and second wireless communication module on the said microprocessor;
Said air bag dynamically pressure testing device is connected with the load-carrying air bag, is used to detect the air bag internal pressure, converts pressure into electric signal, converts pressure data again to, and is uploaded to master microprocessor through second wireless communication module and first wireless communication module;
Said range finder module is used for measuring the real-time height of air bag at motion process;
The inclination angle that said inclination angle test module is used to measure the datum clamp face of range finder module changes;
Said first wireless communication module is used for communicating by letter between said air bag dynamically pressure testing device and the master microprocessor with second wireless communication module, and behind EOT, test result data is uploaded to host computer;
Said master microprocessor is used for the data that each test module records are handled and preserved.
Further, between said air bag dynamically pressure testing device and the air bag horizontal holding device is installed, said horizontal holding device comprises fork; On the said fork coupling sleeve is installed; One end of said coupling sleeve is connected with air bag dynamically pressure testing device, and the other end is connected with the air bag mouth, and the installed in front of said fork has baffle plate; The upper end of said fork is equipped with the module installing plate that is used to install host module, and the lower end of said fork is connected with pouring weight.
Further, said coupling sleeve is installed on the fork through nut, between said coupling sleeve and the fork bearing is installed.
Further, said range finder module is a ultrasonic distance measuring module.
Perhaps, said range finder module is the infrared distance measuring module.
Said horizontal holding device is mainly used in mounting test system, is in horizontality all the time with the horizontal reference that is connected and keeps measuring of air bag.
After the present invention was installed on the air bag, said air bag dynamically pressure testing device was followed air bag and is rotated together, and said horizontal holding device does not rotate with air bag; Measure the air bag internal pressure after the startup work in real time and pressure data is uploaded to master microprocessor through wireless communication module; Emitting head constantly sends measuring-signal after the range finder module startup work, and the plane that signal arrival institute loads contacts with air bag is returned and penetrated back, receives by receiving head; Can record signal from being transmitted into the mistiming of reception; According to the aerial velocity of propagation of signal, just can calculate the distance of contact plane again, thereby further calculate the height of air bag to the plane of departure.Master microprocessor is uploaded to host computer with test result through wireless communication module behind EOT; Processing through host computer; Obtain the relation of air bag bearing capacity and compression height, for boats and ships air bag launching, main facilities carrying provide Theoretical Calculation required air bag stiffness parameters.
Beneficial effect of the present invention: the pressure that can in the use of load-carrying air bag, provide by the carrying weight; Through calculating the rigidity data of air bag; Solved the difficult problem that the load-carrying air bag can't obtain the Rigidity Experiment data, data thereby theoretical analysis of using for the load-carrying air bag and calculating provide the foundation.
Description of drawings
Fig. 1 is a system principle diagram of the present invention.
Fig. 2 is the theory diagram of air bag dynamically pressure testing device of the present invention.
Fig. 3 is the theory diagram of horizontal holding device of the present invention.
Fig. 4 is a mounting structure synoptic diagram of the present invention.
Embodiment
With reference to Fig. 1-4; The test macro of load-carrying air bag dynamic rate; Comprise air bag dynamically pressure testing device 1 and host module 18; Said air bag dynamically pressure testing device 1 and host module 18 are connected through radio communication, and said host module 18 comprises master microprocessor 5, is connected with range finder module 2, measurement of dip angle module 3, first wireless communication module 4 and memory module 6 on the said master microprocessor 5; Said air bag dynamically pressure testing device 1 comprises microprocessor 8, is connected with the pressure measuring module 7 and second wireless communication module 9 on the said microprocessor 8;
Said air bag dynamically pressure testing device 1 is connected with load-carrying air bag 20; Be used to detect air bag 20 internal pressures; Convert pressure into electric signal, convert pressure data again to, and be uploaded to master microprocessor 5 through second wireless communication module 9 and first wireless communication module 4;
Said range finder module 2 is used for measuring the real-time height of air bag 20 at motion process;
The inclination angle that said inclination angle test module 3 is used to measure the datum clamp face of range finder module 2 changes;
Said first wireless communication module 4 is used for communicating by letter between said air bag dynamically pressure testing device 1 and the master microprocessor 5 with second wireless communication module 9, and behind EOT, test result data is uploaded to host computer;
Said master microprocessor 5 is used for the data that each test module records are handled and preserved.
Between said air bag dynamically pressure testing device 1 and the air bag 20 horizontal holding device 19 is installed; Said horizontal holding device 19 comprises fork 12, on the said fork 12 coupling sleeve 13 is installed, and an end of said coupling sleeve 13 is connected with air bag dynamically pressure testing device 1; The other end is connected for 20 mouthfuls with air bag; The installed in front of said fork 12 has baffle plate 11, and the upper end of said fork 12 is equipped with the module installing plate 17 that is used to install host module 18, and the lower end of said fork 12 is connected with pouring weight 16.
Said coupling sleeve 13 is installed on the fork 12 through nut 14, between said coupling sleeve 13 and the fork 12 bearing 15 is installed.
Said range finder module 2 is ultrasonic distance measuring modules, also can be the infrared distance measuring module.
Said horizontal holding device 19 is mainly used in mounting test system, is in horizontality all the time with the horizontal reference that is connected and keeps measuring of air bag 20.
After the present invention is installed on the air bag 20; Said air bag dynamically pressure testing device 1 is followed air bag 20 and is rotated together; Said horizontal holding device 19 does not rotate with air bag, measures air bag 20 internal pressures after the startup work in real time and through wireless communication module pressure data is uploaded to master microprocessor 5, and emitting head constantly sends measuring-signal after the range finder module 2 startup work; The plane that signal arrival institute loads 21 contacts with air bag 20 is returned and is penetrated back; Receive by receiving head, can record signal from being transmitted into the mistiming of reception, again according to the aerial velocity of propagation of signal; Just can calculate the distance of contact plane, thereby further calculate the height of air bag 20 to the plane of departure.Master microprocessor 5 is uploaded to host computer with test result through wireless communication module behind EOT; Processing through host computer; Obtain the relation of air bag 20 bearing capacities and compression height, for boats and ships air bag launching, main facilities carrying provide the required air bag of Theoretical Calculation 20 stiffness parameters.
The described content of this instructions embodiment only is enumerating the way of realization of inventive concept; Should not being regarded as of protection scope of the present invention only limits to the concrete form that embodiment states, protection scope of the present invention also reach in those skilled in the art conceive according to the present invention the equivalent technologies means that can expect.

Claims (4)

1. the test macro of load-carrying air bag dynamic rate; It is characterized in that: comprise air bag dynamically pressure testing device and host module; Said air bag dynamically pressure testing device is connected through radio communication with host module; Said host module comprises master microprocessor, is connected with range finder module, measurement of dip angle module, first wireless communication module and memory module on the said master microprocessor; Said air bag dynamically pressure testing device comprises microprocessor, is connected with the pressure measuring module and second wireless communication module on the said microprocessor;
Said air bag dynamically pressure testing device is connected with the load-carrying air bag, is used to detect the air bag internal pressure, converts pressure into electric signal, converts pressure data again to, and is uploaded to master microprocessor through second wireless communication module and first wireless communication module;
Said range finder module is used for measuring the real-time height of air bag at motion process;
The inclination angle that said measurement of dip angle module is used to measure the datum clamp face of range finder module changes;
Said first wireless communication module is used for communicating by letter between said air bag dynamically pressure testing device and the master microprocessor with second wireless communication module, and behind EOT, test result data is uploaded to host computer;
Said master microprocessor is used for the data that each test module records are handled and preserved; Between said air bag dynamically pressure testing device and the air bag horizontal holding device is installed; Said horizontal holding device comprises fork, on the said fork coupling sleeve is installed, and an end of said coupling sleeve is connected with air bag dynamically pressure testing device; The other end is connected with the air bag mouth; The installed in front of said fork has baffle plate, and the upper end of said fork is equipped with the module installing plate that is used to install host module, and the lower end of said fork is connected with pouring weight.
2. the test macro of load-carrying air bag dynamic rate according to claim 1 is characterized in that: said coupling sleeve is installed on the fork through nut, between said coupling sleeve and the fork bearing is installed.
3. the test macro of load-carrying air bag dynamic rate according to claim 1 and 2 is characterized in that: said range finder module is a ultrasonic distance measuring module.
4. the test macro of load-carrying air bag dynamic rate according to claim 1 and 2 is characterized in that: said range finder module is the infrared distance measuring module.
CN2010105008251A 2010-10-09 2010-10-09 System for testing dynamic rigidity of loading air sac Active CN101957291B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN101957291B true CN101957291B (en) 2012-05-16

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Publication number Priority date Publication date Assignee Title
CN104697770B (en) * 2015-01-06 2017-04-19 武汉华威专用汽车检测有限责任公司 System and method for rigidity testing by industrial robot
CN104680837B (en) * 2015-03-06 2017-01-04 俞少平 A kind of parking stall takies system
CN106404317A (en) * 2016-08-26 2017-02-15 昆山浩硕精密机械有限公司 Device used for testing air bag
CN110823553B (en) * 2019-12-20 2021-08-10 河北工业大学 Inflatable airbag characteristic measuring device

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* Cited by examiner, † Cited by third party
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CN86208412U (en) * 1986-10-30 1988-02-10 费水福 Air-capsule hydraulic shock-absorber
CN201110756Y (en) * 2007-12-21 2008-09-03 重庆交通大学 Apparatus for measuring continuous vertical deflection / displacement
CN201392295Y (en) * 2009-03-03 2010-01-27 浙江吉利汽车研究院有限公司 Passenger side safety gasbag rigidity testing device
CN101526426B (en) * 2009-04-27 2011-02-16 西南交通大学 Method for wirelessly testing dynamic performance of oscillating damper for train and device thereof
CN201844952U (en) * 2010-10-09 2011-05-25 浙江工业大学 Load-carrying air bag dynamic rigidity testing system

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