CN105300198A - Method for synchronously triggering large-equivalent warhead static explosion experiment multi-parameter testing devices - Google Patents
Method for synchronously triggering large-equivalent warhead static explosion experiment multi-parameter testing devices Download PDFInfo
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Abstract
The invention provides a method for synchronously triggering large-equivalent warhead static explosion experiment multi-parameter testing devices. A center management system broadcasts trigger output signals through a wireless transmission system according to received trigger input signals; data acquisition devices distributed on an explosion site receive the trigger output signals and start to collect experiment testing data at the same time; a GPS module conducts time service on the data acquisition devices and records the triggering zero time of the data acquisition devices starting to collect the experiment testing data; a remote trigger monitoring meter monitors the trigger states of the data acquisition devices in real time through the wireless transmission system and conducts time-synchronization data processing on the collected experiment testing data. By adopting the method, multi-parameter testing devices which are distributed in a wide-range and long-distance mode can be effectively, wirelessly and synchronously triggered, and therefore the purpose of accurately estimating the power performance of large-equivalent arms and ammunitions is achieved.
Description
Technical field
The invention belongs to blast and injure experimental test technical field, be specially a kind of target range explosive test many testing equipments wireless type synchronous trigger method.
Background technology
In recent years, the Successful tests of the U.S. " mother of bomb ", Russian army " father of bomb " illustrates the deterrence of blockbuster to the world, in order to further develop China's high explosive Kill capability, the test of large equivalent high energy brisance is often carried out in target range, test explosion equivalent has reached tonne even higher, and Kill capability constantly promotes.In large equivalent warhead power performance parameter test process, the test parameter related to gets more and more, as the many kinds of parameters such as fragmentation distribution, Fragment Velocities, shock wave, seismic wave, harmful gas concentration need be tested simultaneously; Test the area related to large, layouting of needing is many, various testing equipment is often laid within the scope of 360 ° centered by the quick-fried heart, and because explosion equivalent is very large, the distance of testing sensor and implantation of device is more and more far away, reach more than hundred meters, even reach one kilometer, distance so far away adopts all testing equipments within the scope of wired connection 360 ° to be difficult to realize.
In addition, device trigger of respectively participating in the experiment mode is various, as Fragment Velocities test adopts the triggering of break-make target or shock wave pressure signal to trigger with the triggering of break-make target, shock wave parameter test substantially.Just only shock wave pressure one test, because test point position distribution is too wide, the test point position shock wave pressure signal of respective different directions can only be adopted respectively as trigger source, trigger source disunity, this just causes the triggering disunity at zero point of equipment of respectively participating in the experiment.Unite and can record trigger instants when some equipment self of participating in the experiment is equipped with GPS, system function when some equipment does not have self, the trigger instants of all equipment all neither one standards of participating in the experiment, for off-line data processing proposes a difficult problem, finally has influence on the accurate evaluation to large kiloton weapon ammunition power performance.
The lead-in wire test triggering method that in current explosive test, tradition adopts, being about to the break-make triggering signal of tying up in warhead adopts lead-in wire to be transferred to data collecting system, data acquisition equipment is laid in the blindage outside certain safe distance, and data acquisition equipment starts collection after receiving triggering signal.But the test of this traditional wired uses problem a lot of in the explosive test of large equivalent warhead, and the lead-in wire adopting wired triggering method to need is oversize, reaches several kilometers, it is huge to implement workload; But also being easily mixed into the interference signal of telecommunication, easy false triggering, the device trigger route protection of distance does not with great difficulty disconnect and causes equipment to trigger in advance before detonating; In addition, current test triggering system is all only for single parameter testing equipment, and multi-parameters test equipment has multiple trigger source, the trigger criteria that neither one is unified, cannot realize synchronous.The deficiencies such as therefore above-mentioned test triggering system existence lead-in wire is long, installation work amount is large, easily false triggering and triggering in advance, multi-parameters test device trigger is asynchronous, triggering mode is single.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of large equivalent warhead explosive test multi-parameters test equipment wireless type synchronous trigger method, the multi-parameters test equipment wireless synchronization that effectively can realize growing distance laying on a large scale triggers, thus reaches the object of the accurate evaluation to large kiloton weapon ammunition power performance.
The technical solution adopted for the present invention to solve the technical problems comprises the following steps:
(1) central management system is according to the trigger input signal received, and broadcasts trigger output signal by wireless transmitting system;
(2) be distributed in explosion scene data acquisition equipment everywhere and receive trigger output signal, start acquisition test test data simultaneously;
(3) GPS module gives each data acquisition equipment time service, and record data acquisition equipment starts triggering zero moment of acquisition test test data;
(4) far-end Combined Trigger And Monitor is by wireless transmitting system Real-time Monitoring Data collecting device trigger state, and when data acquisition equipment does not trigger, each data acquisition equipment of manual triggers, resets during data acquisition equipment false triggering, again to be triggered;
(5) far-end Combined Trigger And Monitor is downloaded and food preservation test test data, carries out time synchronized data processing to the experimental test data collected.
Described step (1) comprises several trigger input signal, and wherein any one trigger input signal meets trigger condition, and central management system is all considered as receiving effectively triggering input.
Described step (1) comprises several trigger input signal, comprises pressure signal, infrared signal, vibration signal, acoustical signal, initiation current and standard TTL signal.
The signal source producing trigger input signal in described step (1) adopts the sensor nearest apart from the quick-fried heart.
Described data acquisition equipment, except the trigger output signal receiving wireless transmitting system broadcast triggers, can also be triggered by external trigger, internal trigger, GPS clocked flip and manual triggers; Described external trigger is that data acquisition equipment is triggered by outside TTL triggering signal, and outer triggering signal is that TTL rising edge or trailing edge trigger; Described internal trigger be meet according to collected signal the trigger threshold that pre-sets and trigger along time trigger; The 1PPS pps pulse per second signal that described GPS clocked flip provides with GPS module triggers for benchmark.
The invention has the beneficial effects as follows:
1. the triggering input received in central management system can receive multiple trigger source, signal-under-test can be adopted as: pressure, infrared, vibration, sound etc., also initiation current can be adopted, level input is converted into after conditioning, can also input standard TTL, one or more parallel triggers of above trigger source, namely wherein any one trigger source reaches activation threshold value, meet and trigger initial conditions, central management system is considered as receiving and effectively triggers input.This technology trigger source is versatile and flexible, easy to implement in testing ground, also improves the reliability of triggering signal, and ensures that all testing equipments adopt same trigger source, and testing equipment triggers uniform synchronization at zero point.
Therefore above-mentioned test triggering system existence lead-in wire is long, installation work amount is large, multi-parameters test device trigger is asynchronous, poor reliability, and triggering mode is single waits deficiency, and in the present invention, wireless type synchronous trigger method can overcome above deficiency.
2. the trigger output signal of central management system carries out broadcast transmission by wireless transmitting system, and synchronous transfer is to the data acquisition equipment being distributed in each place, explosion scene; This technology achieves the method that wireless type replaces wired triggering, meet that large equivalent warhead explosive test test specification is large, the testing requirement of distance completely, compensate for that existing lead type triggering method lead-in wire is long, installation work amount is large, circuit is easily mixed into noise and causes false triggering, the easily broken shortcoming causing triggering in advance of circuit.In addition, access far-end Combined Trigger And Monitor, can be connected with data acquisition equipment by wireless network transmission system, at the trigger state of remote real-time monitoring equipment, makes device trigger real-time and visual; In addition can remote control equipment, once equipment does not trigger, manual triggers can be adopted to trigger all devices immediately, trigger means as a supplement; Once equipment false triggering, can reset in time, again to be triggered, improve reliable trigger.This wireless system transmission range reaches 3 ~ 5km scope, also leaves netting twine, optical fiber interface, can move on to and accuse that the farther distance such as hall controls by far-end Combined Trigger And Monitor.Wireless transmitting system triggers transmitting, transmission, receives reliably, and not blocking by explosion scene strong electromagnetic pulse, shock wave, vibration, topographical elevation difference, protective shelter, field vehicle, pylon, effector molecules etc. affects, and environmental suitability is strong.
3. data collecting system triggering mode is various, and any one triggers can to adopt 5 kinds of triggering modes, and when multiple stage data acquisition equipment synchronously triggers, 5 kinds of triggering modes can independent assortment according to actual needs.Multiple triggering mode can according to actual tests situation and test site such as: different detonation modes, different explosion equivalents, different layings distance select triggering mode flexibly, select a kind of workload less and the most reliable triggering mode.
4.GPS module possesses GPS time service function and external trigger moment capturing function, when wireless network transmission system be transferred to data acquisition equipment have a network delay, by GPS module can locking data collecting device trigger the absolute zero moment, precision reaches ± 0.5us.After having tested, contrast the triggering absolute zero moment of every platform testing equipment, the network delay time difference of every platform equipment can be calculated, and computational accuracy is high, be convenient to later stage test data time synchronized data processing, and improve triggering synchronous precision.
Accompanying drawing explanation
Fig. 1 is GPS clocked flip data acquisition equipment line graph;
Fig. 2 is that multiple devices adopt external trigger line graph simultaneously.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described, the present invention includes but be not limited only to following embodiment.
The invention provides a kind of large equivalent warhead explosive test multi-parameters test equipment wireless type synchronous trigger method, its concrete steps are:
(1) install in front end, testing ground and lay trigger source, connecting trigger source and central management system.
(2) set up synchronous triggering system to comprise: central management system, wireless transmitting system, data acquisition equipment, far-end Combined Trigger And Monitor, GPS time service triggering system, carry out testing ground equipment protection.
(3) carry out triggering by far-end Combined Trigger And Monitor to data acquisition equipment to arrange.
(4) after meeting trigger condition, central management system receives triggering signal, triggers exporting triggering signal simultaneously.
(5) this signal is carried out broadcast transmission in procotol mode by wireless transmitting system, and synchronous transfer is to the data acquisition equipment being distributed in each place, explosion scene, and all data acquisition equipments at net start collection simultaneously.
(6) GPS time service triggering system is to data acquisition equipment time service, records triggering zero moment of equipment.
(7) at far-end Combined Trigger And Monitor Real-time Monitoring Data collecting device trigger state, once equipment does not trigger, manual triggers can be adopted to trigger all devices immediately, trigger means as a supplement; Once equipment false triggering, can reset in time, again to be triggered, improve reliable trigger.After completing collection, download and food preservation test test data at far-end Combined Trigger And Monitor.
(8) time synchronized data processing is carried out to the test data collected.
Described central management system comprises triggering input and triggers output.Trigger two kinds of trigger sources that input can receive standard Transistor-Transistor Logic level and triggering signal generation, two kinds of trigger source parallel triggers, namely wherein any one source satisfies condition, and central management system is all considered as receiving effectively triggering input.Trigger signal source can adopt one or more parallel triggers of multiple signal-under-test, and namely wherein any one signal reaches activation threshold value, and central management system is considered as receiving and effectively triggers input.Trigger signal source also can adopt initiation current, central management system is inputted after conditioning, generally select to be laid in the sensor nearest apart from the quick-fried heart as the testing sensor triggered in large equivalent explosion experiments, can ensure that triggering signal Spline smoothing is large like this thus ensure reliable trigger, signal source is reliable and stable, have before blast and after blast and significantly change edge, change is along can from low to high or from high to low, and excursion meets the triggering input requirements of data acquisition equipment, trigger and export TTL signal.Triggering input with triggering output action time precision is us level.
Described wireless transmitting system connects every platform data acquisition equipment and far-end Combined Trigger And Monitor by wireless transmission protocol, ensures that each data acquisition equipment all can reliably be launched each other and between equipment and far-end Combined Trigger And Monitor in real time, transmits, receives triggering signal.Wireless transmitting system communication transfer maximum distance is generally not less than 3km, and wireless transmitting system adopts Radio Transmission Technology flexibly; Radio transmission antenna and equipment are convenient to dismounting and change, solid and reliable, take safety prevention measure, and not blocking by blast strong electromagnetic pulse, shock wave, vibration, topographical elevation difference, protective shelter, field vehicle, pylon, effector molecules etc. affects.
A kind of large equivalent warhead explosive test multi-parameters test equipment wireless type synchronous trigger method, is characterized in that: GPS time service and triggering system possess GPS time service function and external trigger moment capturing function, can lock the absolute zero moment that testing equipment triggers.By external gps antenna Received signal strength, and carry out Data Analysis, related resolution data can be read by data acquisition equipment.There is provided the synchronous pps pulse per second signal of 1PPS to trigger for data acquisition equipment GPS simultaneously.Gps time synchronization accuracy (time service): ± 0.5us (under GPS synchronous situation); External trigger moment acquisition accuracy: ± 0.5ms (under GPS synchronous situation);
A kind of large equivalent warhead explosive test multi-parameters test equipment wireless type synchronous trigger method, it is characterized in that: far-end Combined Trigger And Monitor is connected with data acquisition equipment by wireless network transmission system, on data acquisition equipment, carry out triggering by software to arrange and trigger state controls and in real time monitoring, trigger setting and comprise: triggering mode, trigger incoming level, triggering output level.
A kind of large equivalent warhead explosive test multi-parameters test equipment wireless type synchronous trigger method, is characterized in that: data acquisition equipment triggering mode has 5 kinds, comprising: external trigger, internal trigger, GPS clocked flip, manual triggers and network-triggered.External trigger is that data acquisition equipment is triggered by outside TTL triggering signal, and outer triggering signal is that TTL rising edge or trailing edge trigger; Internal trigger triggers according to collected signal self size and variation tendency.Need arrange trigger threshold and trigger edge; The 1PPS pps pulse per second signal that GPS clocked flip provides with GPS time service triggering system is for benchmark.Its relative absolute time accuracy is (under GPS synchronous regime) within 500ns.Multiple stage data acquisition equipment realizes distributed system on a large scale by this signal and synchronously triggers.Manual triggers is forced-triggered; By artificial specific operation, equipment is made to carry out immediately gathering or encouraging output.Network-triggered then sends unified triggering signal by central management system, then this signal is carried out broadcast transmission in procotol mode, makes all online equipments start collection simultaneously.The protocol processes performance of which due to each equipment and the difference of network equipment transmission performance, can there is certain synchronous error between different logical equipment, estimating can in a few tens of milliseconds rank.When separate unit data acquisition equipment triggers, these 5 kinds of triggering modes any one trigger, when multiple stage data acquisition equipment synchronously triggers, above 5 kinds of triggering modes can independent assortment according to actual needs.
Embodiment 1
In certain large equivalent warhead explosion experiments, multiple directions within the scope of 360 ° centered by the quick-fried heart, 1000m lays simultaneously apart from interior and test shock wave, seismic wave, fragmentation many kinds of parameters, device trigger of respectively participating in the experiment mode is various, as Fragment Velocities, positive pressure of shock wave test is basic to be triggered with break-make target, seismic wave is due to apart from far, adopt manual triggers, this just causes the trigger instants disunity of equipment of respectively participating in the experiment, for off-line data processing proposes a difficult problem, 1000m place testing equipment triggers and adopts wired laying to be difficult to carry out simultaneously, at this moment adopt wireless type synchronous trigger method of the present invention to trigger all testing equipments simultaneously.Because the wire time that detonates is closest to warhead burst period, the electric current produced by the circuit that detonates is as the signal source of administrative center's system trigger input, administrative center's system (can be wherein a data acquisition equipment) and the wireless transmission antenna be connected with administrative center system to be laid in the security protection blindage apart from quick-fried heart 500m and fixation, wireless transmission antenna is omnidirectional antenna, synchronously trigger output after administrative center's system acceptance trigger input signal, launch trigger output signal by wireless transmission antenna.The data acquisition equipment being distributed in each place connects GPS time service triggering system, and triggering mode selects " network-triggered ", and collection negative delay is arranged considers that the negative delay that testing sensor needs adds the network-induced delay existed in wireless transmitting system transmitting procedure.Each testing equipment receives after the trigger output signal of wireless transmitting system transmission, and device trigger starts and gathers, and records the respective triggering absolute zero moment.The remote monitoring instrument be simultaneously connected with wireless transmitting system is laid in 5km safe distance place, can monitor the trigger state of all testing equipments in real time.This technology solves large towards test specification specific to large equivalent warhead explosion experiments, that distance, test parameter various feature wired triggering method difficulty is implemented, multi-parameters test equipment cannot synchronously trigger technical barrier, really achieve wireless type, function that multi-parameters test device synchronization triggers, reliable trigger, decrease workload, improve test automation degree.
Embodiment 2
Certain large equivalent warhead explosion experiments, need many kinds of parameters such as test shock wave, fragmentation etc., the number of sensors of laying is large, and concentrates laying in one direction, in this case many sets of data collecting device can be put together, adopt external trigger mode synchronously to trigger.Only need to use shorter coaxial cable to be connected successively according to shown in Fig. 2 by multiple devices, after carefully connecting the wire, again trigger source signal is accessed First equipment TRIGIN interface, triggering mode is set to " external trigger ", arrange triggering edge, click " start and gather ", namely equipment enter state to be collected, when TRIGIN interface has effective edge signal of setting to produce, trigger equipment gathers.This triggering mode is applicable to multichannel multiple stage sets of data collecting device and puts together employing when carrying out data acquisition, and save equipment, easy to use, workload greatly reduces.
Embodiment 3
Certain product explosion experiments, this product requirement detonates after test site places 4 hours again, and the burst time is determined, put in place in the lifting of this product and detonate during this period of time, according to safety requirements, personnel can not within the scope of the boundary of test site, and such data acquisition equipment can adopt GPS clocked flip mode.Concrete operations are: after being carefully connected the wire by data acquisition equipment, treat equipment GPS synchronizing lamp Chang Lianghou, triggering mode is set to " GPS clocked flip ", after the GPS triggered time is set, click " start and gather ", namely equipment enter state to be collected, when the equipment time is consistent with setup times, and the automatic triggering collection of trigger equipment.This triggering mode is applicable to timed detonation accurately, can reduce a lot of workload and ensure personal security.
Claims (5)
1. a Zhong great equivalent warhead explosion experiments multi-parameters test device synchronization triggering method, is characterized in that comprising the steps:
(1) central management system is according to the trigger input signal received, and broadcasts trigger output signal by wireless transmitting system;
(2) be distributed in explosion scene data acquisition equipment everywhere and receive trigger output signal, start acquisition test test data simultaneously;
(3) GPS module gives each data acquisition equipment time service, and record data acquisition equipment starts triggering zero moment of acquisition test test data;
(4) far-end Combined Trigger And Monitor is by wireless transmitting system Real-time Monitoring Data collecting device trigger state, and when data acquisition equipment does not trigger, each data acquisition equipment of manual triggers, resets during data acquisition equipment false triggering, again to be triggered;
(5) far-end Combined Trigger And Monitor is downloaded and food preservation test test data, carries out time synchronized data processing to the experimental test data collected.
2. large equivalent warhead according to claim 1 explosion experiments multi-parameters test device synchronization triggering method, it is characterized in that: described step (1) comprises several trigger input signal, wherein any one trigger input signal meets trigger condition, and central management system is all considered as receiving effectively triggering input.
3. large equivalent warhead according to claim 1 explosion experiments multi-parameters test device synchronization triggering method, it is characterized in that: described step (1) comprises several trigger input signal, comprises pressure signal, infrared signal, vibration signal, acoustical signal, initiation current and standard TTL signal.
4. large equivalent warhead according to claim 1 explosion experiments multi-parameters test device synchronization triggering method, is characterized in that: the signal source producing trigger input signal in described step (1) adopts the sensor nearest apart from the quick-fried heart.
5. large equivalent warhead according to claim 1 explosion experiments multi-parameters test device synchronization triggering method, it is characterized in that: described data acquisition equipment, except the trigger output signal receiving wireless transmitting system broadcast triggers, can also be triggered by external trigger, internal trigger, GPS clocked flip and manual triggers; Described external trigger is that data acquisition equipment is triggered by outside TTL triggering signal, and outer triggering signal is that TTL rising edge or trailing edge trigger; Described internal trigger be meet according to collected signal the trigger threshold that pre-sets and trigger along time trigger; The 1PPS pps pulse per second signal that described GPS clocked flip provides with GPS module triggers for benchmark.
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| CN107389289A (en) * | 2017-08-31 | 2017-11-24 | 成都职业技术学院 | A kind of more survey station vibration acquisition equipment synchronizers |
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| CN108549524B (en) * | 2018-03-20 | 2021-08-06 | 中北大学 | Method for uninterruptedly acquiring and storing fragment speed measurement data |
| CN110308180A (en) * | 2019-06-26 | 2019-10-08 | 西安近代化学研究所 | A kind of instrument trigger device for explosive charge test |
| CN110987444A (en) * | 2019-12-13 | 2020-04-10 | 贵州航天计量测试技术研究所 | Calibration device and calibration method for time zero of multi-parameter test system |
| CN111542009A (en) * | 2020-04-21 | 2020-08-14 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Explosion effect wireless test network trigger acquisition control method |
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| CN114268582A (en) * | 2021-11-24 | 2022-04-01 | 上海机电工程研究所 | Springing forwarding system and device |
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Application publication date: 20160203 |