CN207907932U - A kind of bullet posture and impact acceleration test device for shedding release bullet experiment - Google Patents

A kind of bullet posture and impact acceleration test device for shedding release bullet experiment Download PDF

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Publication number
CN207907932U
CN207907932U CN201721664978.3U CN201721664978U CN207907932U CN 207907932 U CN207907932 U CN 207907932U CN 201721664978 U CN201721664978 U CN 201721664978U CN 207907932 U CN207907932 U CN 207907932U
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China
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bullet
recorder
test device
data
dimensional
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CN201721664978.3U
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Chinese (zh)
Inventor
胡兵
胡一兵
白世清
张�杰
沈贤春
梁深根
张德平
刘海波
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Hubei Aerospace Craft Research Institute
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Hubei Aerospace Craft Research Institute
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Abstract

The utility model discloses a kind of bullet postures and impact acceleration test device for shedding release bullet experiment, including recorder on bullet, Ground Test Unit and portable data processor, recorder includes three-dimensional angular-rate sensor on the bullet, built-in power and data acquisition storage recording-member, recorder is installed in bullet on the bullet, start record by the overloading threshold or broken string triggering mode of setting, recorder on bullet is taken out after the completion of record, portable data processor is connected by Ground Test Unit, read data, after loading data, the test data of display can be handled, interpretation.The measuring device of the utility model is simple in structure, small, light-weight, easy to operate, using flexible.

Description

A kind of bullet posture and impact acceleration test device for shedding release bullet experiment
Technical field
The utility model is related to shed release bullet ground experiment technical field of measurement and test, and in particular to one kind shedding release The bullet posture and impact acceleration test device of bullet experiment.
Background technology
In primary and secondary bullet development process, the posture that bullet sheds release process neutron bomb (is obtained by speed and angular speed ) and bullet shedding the parameters such as impact acceleration overload that release process bears, be evaluation relieving mechanism and bullet controlling The important indicator of energy.Design is improved to product according to the test data of acquisition, to make product design optimize, reaches best Efficiency.Bullet sheds the acquisition of the attitude data of release process, and the method for typically using optical measurement obtains, that is, uses number Formula high-speed motion picture camera shoots the process of shedding of bullet, and then carrying out interpretation to data picture obtains the surveys such as speed, posture Try parameter.However, bullet sheds power source mainly pushes bullet movement by powder gas, when gunpowder acts on, will produce A large amount of smog and flame, so the shooting effect of video camera is impacted even result in data can not interpretation, seriously affect examination Test the acquisition of data.Meanwhile bullet is typically used in the measurement for shedding the impact acceleration overload data that release process is born The method of electrical measurement measures, and jerk acceleration transducer is installed inside bullet, and then connecting ground test by test cable sets Standby, test cable not only makes test signal decay, moreover, because the flight attitude of the function influence bullet of cable weight, in fire Medicine acts on moment, and there is also the possibility for making cable cutting so that can not obtain complete bullet test data, seriously constrain reason By the accuracy of design.
Utility model content
To solve the above problems, avoiding the feelings for being unable to measure bullet posture with flash spotting under the environment such as flame and smog Scape, while connecting test cable is not needed, the utility model provides a kind of bullet posture and punching shed and discharge that bullet is tested Hit recorder on accelerating testing device, including bullet, Ground Test Unit and portable data processor, recorder on the bullet Storage recording-member is acquired including three-dimensional angular-rate sensor, built-in power and data, recorder is installed on son on the bullet In bullet, record is started by the overloading threshold or broken string triggering mode of setting, recorder on bullet is taken out after the completion of record, is passed through Ground Test Unit connect portable data processor, read data, load data after, can be to the test data of display at Reason, interpretation.
Further, further include three-dimensional jerk acceleration transducer component on bullet, the impact acceleration being installed in bullet Measurement point measures position according to bullet and installs three-dimensional jerk acceleration transducer component, it is axial, radial, tangential to measure bullet The acceleration in three directions, and connect with recorder on the bullet to share the built-in power and data acquisition storage record Component carries out impact acceleration measurement.
Preferably, the storage chip of the data acquisition storage recording-member of recorder carries out Anti-vibration Design on the bullet, and The angular-rate sensor and data acquisition storage recording-member set are installed in the bullet with Aseismatic Design.
Specifically, there are two interfaces on the backboard of recorder on the bullet, and wherein first interface is for connecting three-dimensional punching Hit acceleration transducer, second interface powers on and trigger port for recorder on bullet, from the plug receptacle of the second interface One group of cable is thrown away, and is drawn from the inside of bullet, peripheral operation is facilitated.
Preferably, recorder is installed on the centroid position inside bullet by mounting bracket on the bullet, for measuring son Play three motion process pitching, yaw and rolling directional angular velocities, recorder is provided with installation journal stirrup on the bullet, and when installation matches There is aluminum beam.
Preferably, the top panel of recorder is equipped with status indicator lamp on the bullet, indicates the reality of recorder on bullet Border working condition:
Low power consumpting state:Electric light is bright on indicator light, when recorder is touched manually by powering on lead-out wire, makes inside recorder It connects, powers for logging recorder system, after powering successfully, indicator light can be lighted, in other words with battery:Indicator light is lighted, record Instrument powers on success, indicates that recorder powers on success on bullet, extinguishes after then flickering 5 times, indicates entry into low power consumpting state;
Negative delay state:Indicator light wakes up from low power consumpting state, and indicator light enters slow flash state after flickering 3 times, indicates bullet Upper recorder enters negative delay state;
Acquisition state:Indicator light fast blink is acquisition state;
Communications status:After the power is turned on, after flickering 5 times, flicker at a slow speed indicates that recorder enters communications status on bullet to indicator light;
Power-up state:Indicator light is always on as recorder power-up state on bullet.
Data that the utility model uses acquisition storage recording-member is the solid-state memory based on designed by solid-state memory It is not need read/write head, do not need the memory that data are read in storage medium movement, in small size, low capacity, ultrahigh speed, favourable opposition It hits in the electronic equipment of acceleration and possesses very big advantage, design method is by three-dimensional jerk acceleration transducer and three It is integral to angular-rate sensor and data acquisition storage recording-member (data acquisition device), built-in power (supplying cell) set Solidification is powered on the method recorded with external trigger acquisition bullet by outside and is shed the processes such as release using Aseismatic Design technology In the parameters such as the impact acceleration born of angular speed and bullet, bullet movement is calculated by the acceleration value integral to acquisition The instantaneous velocity of process.The scene for being unable to measure bullet posture with flash spotting under the environment such as flame and smog is avoided, meanwhile, Connecting test cable is not needed, because test device is independent measuring unit, broken string will not occur, influence bullet flight attitude etc. Situation, it is ensured that the integrality and reliability of experimental test data.And it can repeatedly use.
The measuring device of the utility model is simple in structure, small, light-weight, easy to operate, using flexible.Measuring device Share 6 Measurement channels, be respectively tri- direction bullet X, Y, Z impacting acceleration value and pitching, yaw, three direction of rolling angle Speed, three-dimensional jerk acceleration transducer component are installed separately with recorder on bullet, using flexible, you can individually to test three Angular velocity data can also test three angular speed and three impact acceleration data simultaneously, and recorder is in after the power is turned on bullet State to be triggered, stand-by time are more than 10 hours, dormancy time are arbitrarily arranged according to experiment process, passes through setting after dormancy time Overloading threshold or broken string triggering mode start record, record duration 500 seconds is automatically shut power off after the completion of record.After experiment Recorder on bullet is taken out, portable computer is connected by Ground Test Unit, reads data, it, can be to display after loading data Test data handled, interpretation.Shock resistance acceleration in recorder part is more than 50000g on bullet, and data storage carrier is Fla seconds h chips, can long-term preservation, it can be ensured that reliably obtains data under the adverse circumstances such as blast impulse acceleration.It is particularly suitable for Bullet sheds the measurement of release test bullet flight attitude, impact acceleration data, also is adapted for the experiment of Missile Ground analog transmissions The measurement of missile attitude, impact acceleration.
Description of the drawings
Fig. 1 is Tthe utility model system composition frame chart;
Fig. 2 is recorder part-structure schematic diagram on the utility model bullet;
Fig. 3 is the A direction views of Fig. 2;
Fig. 4 is the P direction views of Fig. 3;
Fig. 5 is the utility model reading mode schematic diagram.
Wherein, recorder, 2- three-dimensionals acceleration transducer, 3- topside readouts equipment, 4- portable computers, 5- on 1- bullets First interface, 6- second interfaces, 7- journal stirrups, 8- washers, 9- power supply indicators, 10- status indicator lamps.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with the accompanying drawings and implement Example, is described further specific embodiment of the present utility model.It should be appreciated that specific embodiment described herein is only It is used to help understand the utility model, does not constitute the restriction to the utility model.In addition, the utility model disclosed below Involved technical characteristic can be combined with each other as long as they do not conflict with each other in each embodiment.
As shown in Figure 1, the test device of the utility model includes recorder on bullet, three-dimensional jerk acceleration transducer portion Part, Ground Test Unit and portable data processor, recorder includes three-dimensional angular-rate sensor, built-in power sum number on bullet Recording-member is stored according to acquisition, recorder is installed in bullet on the bullet, is triggered by the overloading threshold or broken string of setting Mode starts record, takes out recorder on bullet after the completion of record, connects portable data processor by Ground Test Unit, reads Evidence of fetching can be handled the test data of display, interpretation after loading data;Three-dimensional angular-rate sensor measures bullet and bows It faces upward, yaw, the angular speed in three direction of rolling, three-dimensional jerk acceleration transducer measures bullet X (axial direction), Y (radial direction), Z and (cuts To) acceleration value in three directions, portable data processor is portable computer in the present embodiment.Wherein, three-dimensional impact adds Speed sensor feature can need to select different range sensors according to test, and can select to install, and only need to survey In the case of quantum bullet posture, three-dimensional jerk acceleration transducer need not be installed.
Three-dimensional jerk acceleration transducer:Three-dimensional impact acceleration is connected on bullet outside recorder, signal output connection Modulate circuit inside recorder on bullet, the optional then different range sensings of its impact acceleration measurement range of jerk acceleration transducer Device, range are up to -5000g~+5000g, and modulate circuit frequency response is 0~10KHz.Its output signal is uV magnitude voltage signals, It is sent into signal acquisition module after amplification improves.
Three-dimensional angular-rate sensor component:It being made of three axis angular rate sensors, sensor output signal is voltage signal, Signal acquisition module can be directly entered to be acquired.Its key technical indexes is:Angular velocity measurement range:± 1500deg/ seconds; Frequency response:0Hz~2kHz;Measurement direction:Three pitching, yaw, rolling directions;Precision:≤ 2%.
The data acquisition storage recording-member of recorder is used for three-dimensional impact acceleration signal and three-dimensional angular speed on bullet Signal carries out unified acquire and encodes, and carries out record storage.
Data acquisition storage recording-member is by start triggering circuit, signal conditioning circuit, FPGA, master controller, record The compositions such as unit.Its key technical indexes is described below;Sampling resolution:12bit;Sample frequency:50KHz/ch;Test device Power on mode:Drawing both threads touching from debugging mouth makes recorder on bullet power on;Triggering mode:Respectively overload cut-out action is touched Hair and broken string triggering start;Work schedule:After the power is turned on, into low power consumpting state, the low-power consumption time reaches setting to recorder on bullet When value (being configured by data processing software), into recording status to be triggered, stop recording after being recorded 500 seconds after triggering, and Close power supply;Recording mode:Single records, and writes rear stop recording all over and close power supply;Record duration:More than 500 seconds;Supplier of electricity Formula:Internal battery powers (when formal test) or external power supply power supply (when debugging).
Built-in power component:Its major function is that the work such as record, acquisition, the reading for completing record system are powered. Externally fed or internal battery powers are converted into the various voltage values needed for system work by it by each power module.Remember on bullet Record instrument system shares 3 kinds of working conditions, respectively low power consumpting state, negative delay state and acquisition state.Its low power consumpting state electricity Stream is that 20mA, negative delay and acquisition state operating current calculate for 200mA.Negative delay and 520 seconds acquisition state working times meter It is 200mAx520 seconds ≈ 30mAh to calculate electricity demand altogether;It is 20mAx10h=200mAh that the low-power consumption time calculates electricity demand altogether by 10h. Therefore electricity demand is 230mAh or so altogether, and recorder work on bullet can be met by selecting battery capacity to be the lithium-manganese cell of 1500mAh It needs.Since the overload quantity that recorder is born on bullet is larger, disposable lithium-manganese cell, battery need to be used replaceable.
Ground Test Unit major function is to provide external power supply for recorder on bullet;After the completion of experiment, for remembering on bullet Record the digital independent of instrument built-in storage;Cell voltage in recorder on bullet is tested, ensures recorder normal work on bullet.
Installation data processing software in pocket computer, major function are to realize that data are downloaded and file management stores;It is right Recorder carries out the operations such as parameter setting, data dump on bullet;Complete the decoding and export of data.
As shown in Figure 2,3, the utility model test device includes three-dimensional impact acceleration sensing on recorder and bullet on bullet Device component two parts.By recorder (including three-dimensional angular-rate sensor) on the bullet for testing bullet posture, impact acceleration and punching It hits acceleration transducer component to be installed separately and connect by conducting wire, is to ensure that three-dimensional jerk acceleration transducer is in very first Under real impact acceleration environment, ensure that the impact acceleration data measured are true and reliable, followed by three-dimensional angular-rate sensor Shock resistance acceleration capabilities are weaker, and recorder storage chip needs special Anti-vibration Design on bullet, and chip is placed on metal shell It is interior, the epoxy glue of proportioning is cast in around chip in shell, and is cured, can reach damping purpose, and three-dimensional angular speed is passed Sensor and data acquisition storage recording-member set are installed in the bullet with Aseismatic Design, are played very strong protection and are made With, it is ensured that it is reliably recorded under blast impulse acceleration environment.Meanwhile it will be on three-dimensional jerk acceleration transducer bullet Recorder is installed separately with three-dimensional jerk acceleration transducer, and practical application can be made flexible and changeable, is only needing bullet posture In the case of measurement, it may not be necessary to which three-dimensional jerk acceleration transducer component is installed.Its course of work is described below:
Fig. 4 be hit by a bullet upper recorder backboard there are two interface, wherein first interface is for connecting three-dimensional impact acceleration biography Sensor measures position according to bullet and installs three-dimensional jerk acceleration transducer component, it is axial, radial, three tangential to measure bullet The acceleration in direction, recorder is mounted on the centroid position inside bullet by mounting bracket on bullet, for measuring bullet movement Three process pitching, yaw and rolling directional angular velocities, there are four journal stirrup, peaces for installation on four angles of the backboard of recorder on bullet It need to match there are four aluminum beam when dress, achieve the purpose that protect recorder on three-dimensional angular-rate sensor and bullet, to ensure bullet Upper recorder reliably records data.Second interface on bullet on the backboard of recorder be on bullet recorder power on and triggering end Mouthful, two groups of cables (length 1m or so) are thrown away from plug receptacle, are upper electrical cables SD+ and SD- respectively, triggering cable CF+ and CF- uses communication cable when reading, connects second interface and ground test, and draw from the inside for measuring bullet, facilitates outside Operation.
The workflow of the test device of the utility model is divided into record acquisition state and data record state, describes respectively It is as follows.
Record acquisition state:Recorder interface lead-out wire SD+ and SD- are touched, so that recorder is powered on and powers, it is to be recorded After the power is turned on, both threads disconnection is protected respectively.Recorder enters low power consumpting state on bullet.When on bullet recorder from low-power consumption shape When state is waken up into negative delay state, is triggered by broken string or overload triggering makes recorder on bullet enter acquisition state, acquire 500 Recorder is stopped on bullet after second, and closes power supply.
Communications status:As shown in figure 5, when the USB interface of recorder on bullet passes through cable, Ground Test Unit and computer phase Lian Shi opens ground data processing software, carries out data record, decoding, graphical display.By data-communication cables, will transmit Cable one end linkage record instrument second interface, the other end connect Ground Test Unit, pass through USB between Ground Test Unit and computer Port lines connect.
Such as Fig. 3, the utility model top panel is equipped with status indicator lamp, indicates the actual working state of recorder on bullet:
Low power consumpting state:After touching two upper electric wires, indicator light lamp is bright, indicates that recorder powers on success on bullet, then dodges Extinguish after 5 times bright, indicates entry into low power consumpting state;
Negative delay state:Indicator light wakes up from low power consumpting state, and indicator light enters slow flash state after flickering 3 times, indicates bullet Upper recorder enters negative delay state;
Acquisition state:Indicator light fast blink is acquisition state;
Communications status:After the power is turned on, after flickering 5 times, flicker at a slow speed indicates that recorder enters for communications status on bullet to indicator light;
Power-up state:Indicator light is always on as recorder power-up state on bullet.
The utility model is used for multiple times:It checks electric interfaces working condition, checks battery usable condition, not such as electricity Foot can be reused again after replacing battery.
The above be the utility model preferred embodiment, but the utility model should be confined to the embodiment and Attached drawing disclosure of that.So every do not depart from the lower equivalent or modification completed of spirit disclosed in the utility model, all fall Enter the range of the utility model protection.

Claims (6)

1. a kind of bullet posture and impact acceleration test device for shedding release bullet experiment, it is characterised in that including remembering on bullet Record instrument, Ground Test Unit and portable computer, on the bullet recorder include three-dimensional angular-rate sensor, built-in power and Data acquisition stores recording-member, and recorder is installed in bullet on the bullet, and Ground Test Unit connects portable computer.
2. test device according to claim 1, it is characterised in that further include three-dimensional jerk acceleration transducer portion on bullet Part is installed at the shock measurement point in bullet, and measuring position according to bullet installs three-dimensional jerk acceleration transducer component, surveys The acceleration in axial, radial, tangential three directions of quantum bullet, and connect with recorder on the bullet to share the in-built electrical Source and data acquisition storage recording-member carry out impact acceleration measurement.
3. test device according to claim 1 or 2, it is characterised in that the data acquisition storage note of recorder on the bullet The storage chip for recording component carries out Anti-vibration Design, and the angular-rate sensor and data acquisition are stored recording-member collection Conjunction is installed in the bullet with Aseismatic Design.
4. test device according to claim 2, it is characterised in that there are two connect on the backboard of recorder on the bullet Mouthful, for connecting three-dimensional jerk acceleration transducer, second interface powering on and touching for recorder on bullet for wherein first interface Originator mouth throws away one group of cable from the plug receptacle of the second interface, and is drawn from the inside of bullet, facilitates peripheral operation.
5. test device according to claim 3, it is characterised in that recorder is installed on by mounting bracket on the bullet Centroid position inside bullet, for measuring three pitching of bullet motion process, yaw and rolling directional angular velocities, on the bullet Recorder is provided with installation journal stirrup, and when installation is furnished with aluminum beam.
6. test device according to claim 1,2,4 or 5, it is characterised in that the top panel of recorder on the bullet It is equipped with status indicator lamp.
CN201721664978.3U 2017-12-04 2017-12-04 A kind of bullet posture and impact acceleration test device for shedding release bullet experiment Expired - Fee Related CN207907932U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111272027A (en) * 2020-01-23 2020-06-12 西安现代控制技术研究所 On-missile dynamics data test system
CN111272028A (en) * 2020-01-23 2020-06-12 西安现代控制技术研究所 Ground test system for connecting rope aerial maximum straightening force for shrapnel
CN112284712A (en) * 2020-11-05 2021-01-29 上海航天精密机械研究所 Experimental collection system that measures of structure separation
CN112557691A (en) * 2020-12-04 2021-03-26 中国船舶重工集团有限公司第七一0研究所 Self-starting submarine emission pipe speed test system
CN114322682A (en) * 2021-11-30 2022-04-12 湖南航天机电设备与特种材料研究所 Test system and method based on patrol missile launching impact overload
CN114754637A (en) * 2022-04-01 2022-07-15 上海机电工程研究所 Universal attitude control ground test system

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111272027A (en) * 2020-01-23 2020-06-12 西安现代控制技术研究所 On-missile dynamics data test system
CN111272028A (en) * 2020-01-23 2020-06-12 西安现代控制技术研究所 Ground test system for connecting rope aerial maximum straightening force for shrapnel
CN111272027B (en) * 2020-01-23 2022-07-05 西安现代控制技术研究所 Dynamic data test system on bullet
CN111272028B (en) * 2020-01-23 2022-11-08 西安现代控制技术研究所 Ground test system for connecting rope aerial maximum straightening force for shrapnel
CN112284712A (en) * 2020-11-05 2021-01-29 上海航天精密机械研究所 Experimental collection system that measures of structure separation
CN112284712B (en) * 2020-11-05 2022-12-27 上海航天精密机械研究所 Experimental collection system that measures of structure separation
CN112557691A (en) * 2020-12-04 2021-03-26 中国船舶重工集团有限公司第七一0研究所 Self-starting submarine emission pipe speed test system
CN112557691B (en) * 2020-12-04 2023-02-28 中国船舶重工集团有限公司第七一0研究所 Self-starting submarine emission pipe speed test system
CN114322682A (en) * 2021-11-30 2022-04-12 湖南航天机电设备与特种材料研究所 Test system and method based on patrol missile launching impact overload
CN114754637A (en) * 2022-04-01 2022-07-15 上海机电工程研究所 Universal attitude control ground test system
CN114754637B (en) * 2022-04-01 2023-08-18 上海机电工程研究所 Generalized attitude control ground test system

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Granted publication date: 20180925

Termination date: 20181204