CN105509567A - Body armor defence effectiveness evaluating method - Google Patents
Body armor defence effectiveness evaluating method Download PDFInfo
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- CN105509567A CN105509567A CN201610027232.5A CN201610027232A CN105509567A CN 105509567 A CN105509567 A CN 105509567A CN 201610027232 A CN201610027232 A CN 201610027232A CN 105509567 A CN105509567 A CN 105509567A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H1/00—Personal protection gear
- F41H1/02—Armoured or projectile- or missile-resistant garments; Composite protection fabrics
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
Abstract
The invention discloses a body armor defence effectiveness evaluating method based on the biological effect and simulated body mechanical response. The method comprises the steps of building a body armor after-defence biological damage model, building a mechanical response test model based on the simulated body, shooting experimental animals wearing soft and hard body armor with different bullets to make the experimental animals injured, conducting biological damage grading, conducting body armor after-defence chest organ mechanical response testing by means of the simulated body, building the corresponding relation between simulated body mechanical response and biological damage grading, and conducting body armor defence effectiveness evaluation based on simulated body mechanical response. In this way, quantitative testing and evaluation of the defence effectiveness of body armor are achieved based on simulated body mechanical response data.
Description
Technical field
The invention belongs to individual soldier protection harness evaluation areas, particularly a kind ofly based on biological effect and simulated humanbody mechanical response, the method for quantification test and evaluation is carried out to flak jackets protective benefits.
Background technology
Flak jackets can effectively stop bullet to penetrate, make personnel avoid the damage of bullet penetrability.But flak jackets does not puncture and does not represent personnel and be perfectly safe.This be due to flak jackets be hit by a bullet moment the back side, attack face produce protrude distortion, flak jackets crushed element fast ram and the extruding wall of the chest, and by the produce power transmission in tissue and organ of the mechanical wave such as stress wave, shearing wave form, personnel's skin of chest, hypodermis and thoracic organ can be caused to occur to dampen in various degree, be called as blunt injury after flak jackets.Therefore, to the evaluation of flak jackets protective benefits, except shellproof usefulness, also should pay close attention to and wear when flak jackets personnel are subject to attack the whether injured and injured order of severity.The current technical requirement for military flak jackets, test method and inspection rule etc. are mainly based on GJB GJB4300-2002 " military flak jackets safe practice duty requirements ", but the correlation technique of this standard and regulation thereof also exists some limitation in evaluation flak jackets protective benefits:
1, level of protection relative loose.When GJB4300-2002 " military flak jackets safe practice duty requirements " regulation flak jackets impacts by bullet, the maximum cup depth of trunk mould backing clay should be less than or equal to 25mm.But existing flak jackets biologic test research shows, flak jackets is greater than 5mm by target plate cup depth during attack obvious heart and lung injury as seen.Therefore, existing flak jackets level of protection shows relative looseization.
2, detection model is unreasonable.GJB4300-2002 " military flak jackets safe practice duty requirements " " the regulation human trunk model that adopts the clay block that length and width are more than or equal to 600mm × 600mm, thickness is greater than 100mm to detect as flak jackets protective benefits.Clay is the uniform dielectric of close with soft tissue, the single density of a kind of physical characteristic.Human chest is the irregular multi-density complex dielectrics of geometry be made up of the soft tissue of density and varying physical characteristics and bone.Therefore, with structure, density and physical characteristic and the totally different clay block of human chest unreasonable as the test model of flak jackets protective benefits.
3, the evaluation method for blunt injury after flak jackets and interpretational criteria is lacked.The object of protection of flak jackets is personnel, and the protective benefits of flak jackets not only comprises the ability stopping bullet, also should comprise the ability that protection physical protection position avoids damaging or alleviate blunt injury after flak jackets.GJB4300-2002 " military flak jackets safe practice duty requirements " has made concrete restriction and specification to the technical indicator such as structure, material, outward appearance, pretective acreage, shellproof usefulness, environmental suitability of military flak jackets and corresponding test method, but the evaluation method of blunt injury and interpretational criteria after not relating to the flak jackets worn and may exist when flak jackets personnel are subject to attack.
Summary of the invention
The object of the invention is to overcome existing methodical deficiency and a kind of flak jackets protective benefits evaluation method based on biological effect and simulated humanbody mechanical response provided.The method is by setting up the dose-effect relationship between flak jackets protection post-simulation body mechanics response with biological management of blunt injuries degree, and the final mechanical response data realized based on simulated humanbody carry out the method for quantification test and evaluation to flak jackets protective benefits.
A kind of Antiriot dress protective benefits quantitative test based on biological effect and simulated humanbody mechanical response involved in the present invention and evaluation method, its step is as follows:
1. set up flak jackets protection artifact damage model
(1) according to thoracic cavity anatomical structure, shape, size and adult human body's principle of similarity, adult rodent is selected to carry out the test of flak jackets protection artifact effect detection.
(2) before test, animal 3% yellow Jackets press 1ml/kg auricular vein injecting anesthetic, position cropping preserved skin of causing injury.
(3) with meeting soft, the hard ballistic clothing parcel experimental animal chest that GJB4300-2002 " military flak jackets safe practice duty requirements " requires.With pistol cartridge firing test animal pareordia, liver lung transitional areas during parcel soft bullet-resistant garment.With step cartridge shooting experimental animal pareordia, liver lung transitional areas during parcel hard ballistic clothing.Every each position of experimental animal only accepts a cartridge shooting.
2. set up the mechanical response test model based on simulated humanbody
(1) select profile, size, weight similar to adult human body, there is the simulated humanbody human trunk model of skin, thorax skeleton and internal organs.
(2) setting pressure sensor in the heart of simulated humanbody human trunk model, lungs, liver, gastric tissue, configuration data acquisition instrument, for gathering, storing the response data of each sensor when bullet impacts flak jackets.
3. carry out shooting with different bullet cause injury to wearing soft, hard ballistic clothing experimental animal
(1) soft bullet-resistant garment experimental animal pareordia (left collarbone center line 4,5 intercostal), liver lung transitional areas (right side midaxillary line 8,9 intercostal) is worn with low speed, at a high speed shooting respectively with pistol cartridge.
(2) hard ballistic clothing experimental animal pareordia (left collarbone center line 4,5 intercostal), lung liver transitional areas (right side midaxillary line 8,9 intercostal) is worn with low speed, at a high speed shooting respectively with rifle bullet.
4. biological damage scoring
(1) experimental animal after shooting 3-4 hour with overdose of sodium pentobarbital anesthesia, after femoral artery sacrificed by exsanguination, carry out dissection inspection, observe breastbone, rib with or without fracture, heart, lungs, liver, stomach with or without the situation such as hemorrhage, to break and in detail record are taken pictures.
(2) " Abbreviated injury scale " (AbbreviatedInjuryScore, AIS) is adopted to judge experimental animal heart, lungs, liver, gastric injury grade.Impairment scale is chosen as 1-6 and divides by this damage Scaling Standards, i.e. not damaged (0), slight (1), moderate (2), comparatively serious (3), serious (4), critical (5), the most critical or fatal injury (6).
5. utilize simulated humanbody to carry out flak jackets protection potruncus organ mechanics response test
(1) soft bullet-resistant garment simulated humanbody pareordia (left collarbone center line 4,5 intercostal), liver lung transitional areas (right side midaxillary line 8,9 intercostal) is worn with low speed, at a high speed shooting respectively with pistol cartridge.Pistol cartridge type, speed, shooting position are all consistent with animal experiment.The identical speed in each position shoots 3 times, all enables data collecting instrument record simulated humanbody sensor response signal during each shooting.
(2) hard ballistic clothing simulated humanbody pareordia (left collarbone center line 4,5 intercostal), liver lung transitional areas (right side midaxillary line 8,9 intercostal) is worn with low speed, at a high speed shooting respectively with rifle bullet.Rifle bullet type, speed, shooting position are all consistent with animal experiment.The identical speed in each position shoots 3 times, all enables data collecting instrument record simulated humanbody sensor response signal during each shooting.
6. set up the corresponding relation that simulated humanbody mechanical response and biological damage are marked
(1) after the protection of simulated humanbody flak jackets, mechanical response comprises the pressure peak of heart, lungs, liver, stomach.
(2) biological damage scoring is the AIS score value of experimental animal heart, lungs, liver, stomach.
(3) under determining identical flak jackets, identical bullet, identical speed, identical shooting position condition, the distributed area of the simulated humanbody heart corresponding with biological heart, lungs, liver, gastric injury score value, lungs, liver, gastric pressure peak value.
7. carry out the evaluation of flak jackets protective benefits based on simulated humanbody mechanical response
(1) with certain flak jackets to be evaluated parcel simulated humanbody trunk, guarantee that simulated humanbody trunk shooting position is in effective protection state.
(2) pressure test of heart, lungs, liver, stomach is carried out by step 5.
(3) by the corresponding relation that simulated humanbody mechanical response and the biological damage of step 6 foundation are marked, according to the pressure peak of measured simulated humanbody heart, lungs, liver, stomach, the impairment scale of anticipation organism after the protection of certain flak jackets.
(4) the rear organ damage score value sum of flak jackets protection is calculated, as the basis that protection artifact degree of injury judges.
(5) to protect artifact degree of injury for foundation, can compare different brands soft bullet-resistant garment or hard ballistic clothing protective benefits.
A kind of flak jackets protective benefits evaluation method based on biological effect and simulated humanbody mechanical response provided by the invention, by setting up the dose-effect relationship between flak jackets protection post-simulation body mechanics response with biological management of blunt injuries degree, the mechanical response data achieved based on simulated humanbody carry out the method for quantification test and evaluation to flak jackets protective benefits.
Accompanying drawing explanation
Fig. 1 is for carry out flak jackets protective benefits evaluation rubric schematic diagram based on biological effect and simulated humanbody mechanical response
Fig. 2 is that simulated humanbody sensor lays and data acquisition schematic diagram
Fig. 3 is shooting aiming point schematic diagram
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described as follows:
Embodiment
The present embodiment is evaluated as example with the protective benefits of soft bullet-resistant garment A, B and hard ballistic clothing C, D, and the method for carrying out the evaluation of flak jackets protective benefits based on biological effect and simulated humanbody mechanical response is described.Its concrete steps are as shown in Figure 1:
1. set up flak jackets protection artifact damage model
(1) according to thoracic cavity anatomical structure, shape, size and adult human body's principle of similarity, bull Landrace is selected to carry out the test of flak jackets protection artifact effect detection.
(2) before test, animal 3% yellow Jackets press 1ml/kg auricular vein injecting anesthetic, position cropping preserved skin of causing injury.
(3) with the soft bullet-resistant garment or the hard ballistic clothing parcel experimental animal chest that meet GJB4300-2002 " military flak jackets safe practice duty requirements ".Pistol cartridge firing test animal pareordia, lung liver transitional areas during parcel soft bullet-resistant garment.Parcel hard ballistic clothing step cartridge shooting pareordia, liver lung transitional areas.Every each position of experimental animal only accepts a cartridge shooting.
2. set up the mechanical response test model based on simulated humanbody
(1) adopt individual soldier's flak jackets dummy of independent development as test model.This dummy's profile, size, weight are similar to adult human body, and have skin, thorax skeleton and internal organs, torso portion can be used alone.
(2) setting pressure sensor in individual soldier's flak jackets dummy heart, lungs, liver, gastric tissue, each sensor is connected to data acquisition instrument by data wire, for gathering, storing the mechanical response of trunk organ when bullet impacts flak jackets.As shown in Figure 2.
3. carry out shooting with different bullet cause injury to wearing soft, hard ballistic clothing experimental animal
(1) cling to La Beilumu pistol cartridge with 9mm and wear soft bullet-resistant garment experimental animal pareordia (left collarbone center line 4,5 intercostal), liver lung transitional areas (right side midaxillary line 8,9 intercostal) with the shooting of 360m/s, 420m/s speed respectively, as shown in Figure 3.
(2) hard ballistic clothing experimental animal pareordia (left collarbone center line 4,5 intercostal), liver lung transitional areas (right side midaxillary line 8,9 intercostal) is worn with the shooting of 590m/s, 910m/s speed respectively with 5.8mm rifle bullet, as shown in Figure 3.
4. biological damage scoring
(1) experimental animal carries out dissection inspection with overdose of sodium pentobarbital anesthesia test animal, the laggard row of femoral artery sacrificed by exsanguination in 3-4 hour after shooting, observe breastbone, rib with or without fracture, heart, lungs, liver, stomach with or without the situation such as hemorrhage, to break and in detail record are taken pictures.
(2) " Abbreviated injury scale " (AbbreviatedInjuryScore, AIS) is adopted to judge experimental animal heart, lungs, liver, gastric injury grade.Impairment scale is chosen as 1-6 and divides by this damage Scaling Standards, i.e. not damaged (0), slight (1), moderate (2), comparatively serious (3), serious (4), critical (5), the most critical or fatal injury (6).After flak jackets protection, experimental animal Injury score is as shown in table 1.
Experimental animal Injury score after the protection of table 1 flak jackets
5. utilize simulated humanbody to carry out the test of flak jackets protection potruncus histoorgan mechanical response
(1) cling to La Beilumu pistol cartridge with 9mm and wear soft bullet-resistant garment simulated humanbody pareordia (left collarbone center line 4,5 intercostal), liver lung transitional areas (right side midaxillary line 8,9 intercostal) with the shooting of 360m/s, 420m/s speed respectively.Pistol cartridge type, speed, shooting position are all consistent with animal experiment.The identical speed in each position shoots 3 times, all enables data collecting instrument record simulated humanbody sensor response signal during each shooting, gets the mean value of 3 secondary data for this position response data, as shown in table 2.
(2) hard ballistic clothing experimental animal pareordia (left collarbone center line 4,5 intercostal), liver lung transitional areas (right side midaxillary line 8,9 intercostal) is worn with the shooting of 590m/s, 910m/s speed respectively with 5.8mm rifle bullet.Rifle bullet type, speed, shooting position are all consistent with animal experiment.The identical speed in each position shoots 3 times, all enables data collecting instrument record simulated humanbody sensor response signal during each shooting, gets the mean value of 3 secondary data for this position response data, as shown in table 2.
Table 2 flak jackets protection potruncus organ pressure peak
6. set up the corresponding relation of simulated humanbody mechanical response and biological damage
(1) after the protection of simulated humanbody flak jackets, mechanical response parameter comprises: heart, liver, lungs, gastric pressure peak value.
(2) biological damage scoring comprises the AIS score value of heart, liver, lungs, stomach.
(3) based under identical flak jackets, identical bullet, identical speed, identical shooting position condition, the Injury score value of simulated humanbody heart, liver, lungs, gastric pressure peak value and biological corresponding organ, determine the corresponding relation of simulated humanbody mechanical response and biological damage, as shown in table 3:
Table 3 simulated humanbody mechanical response and biological damage corresponding relation
7. carry out the evaluation of flak jackets protective benefits based on simulated humanbody mechanical response
(1) wrap up simulated humanbody trunk with soft bullet-resistant garment A to be evaluated, soft bullet-resistant garment B and hard ballistic clothing C, hard ballistic clothing D respectively, guarantee that simulated humanbody trunk shooting position is in effective protection state.
(2) after carrying out flak jackets protection by step 5, heart, lungs, liver, gastric pressure are tested, and the test result of flak jackets A, B, C, D is as shown in table 4.
Table 4 flak jackets protection to be evaluated potruncus organ mechanics response data
(3) by the simulated humanbody mechanical response of step 6 foundation and the corresponding relation of biological damage, based on measured simulated humanbody mechanical response data, as shown in table 5 to the biological damage appraisal result after flak jackets A, B, C, D protection.
Organ damage scoring after table 5 flak jackets protection to be evaluated
(4) the rear organ damage score value sum of flak jackets A, B, C, D protection is calculated respectively, as the basis that protection artifact degree of injury compares.As shown in table 6, between soft bullet-resistant garment A, B, after more visible flak jackets A protection, Injury score is lower than flak jackets B 2 points, and between hard ballistic clothing C, D, after more visible flak jackets D protection, Injury score is lower than flak jackets C 4 points.Namely soft bullet-resistant garment A protects artifact degree of injury lower than soft bullet-resistant garment B, and hard ballistic clothing D protects artifact degree of injury lower than hard ballistic clothing C.
Table 6 flak jackets protection to be evaluated artifact degree of injury compares
(5) according to protection artifact degree of injury comparative result, can judge that soft bullet-resistant garment A protective benefits is better than soft bullet-resistant garment B, hard ballistic clothing D protective benefits is better than hard ballistic clothing C.
Claims (1)
1. a flak jackets protective benefits evaluation method, is characterized in that the method step is as follows:
1). set up flak jackets protection artifact damage model
(1) according to thoracic cavity anatomical structure, shape, size and adult human body's principle of similarity, adult rodent is selected to carry out the test of flak jackets protection artifact effect detection;
(2) before test, animal 3% yellow Jackets press 1ml/kg auricular vein injecting anesthetic, position cropping preserved skin of causing injury;
(3) with meeting soft, the hard ballistic clothing parcel experimental animal chest that GJB4300-2002 " military flak jackets safe practice duty requirements " requires, with pistol cartridge firing test animal pareordia, liver lung transitional areas during parcel soft bullet-resistant garment, with step cartridge shooting experimental animal pareordia, liver lung transitional areas during parcel hard ballistic clothing.Every each position of experimental animal only accepts a cartridge shooting;
2). set up the mechanical response test model based on simulated humanbody
(1) select profile, size, weight similar to adult human body, there is the simulated humanbody human trunk model of skin, thorax skeleton and internal organs;
(2) setting pressure sensor in the heart of simulated humanbody human trunk model, lungs, liver, gastric tissue, configuration data acquisition instrument, for gathering, storing the response data of each sensor when bullet impacts flak jackets;
3). carry out shooting with different bullet cause injury to wearing soft, hard ballistic clothing experimental animal
(1) soft bullet-resistant garment experimental animal pareordia is worn, i.e. left collarbone center line 4,5 intercostal, liver lung transitional areas with low speed, at a high speed shooting respectively with pistol cartridge, i.e. right side midaxillary line 8,9 intercostal;
(2) hard ballistic clothing experimental animal pareordia is worn, i.e. left collarbone center line 4,5 intercostal, lung liver transitional areas with low speed, at a high speed shooting respectively with rifle bullet, i.e. right side midaxillary line 8,9 intercostal;
4). biological damage is marked
(1) experimental animal after shooting 3-4 hour with overdose of sodium pentobarbital anesthesia, after femoral artery sacrificed by exsanguination, carry out dissection inspection, observe breastbone, rib with or without fracture, heart, lungs, liver, stomach with or without the situation such as hemorrhage, to break and in detail record are taken pictures;
(2) " Abbreviated injury scale " (AbbreviatedInjuryScore, AIS) is adopted to judge experimental animal heart, lungs, liver, gastric injury grade; Impairment scale is chosen as 1-6 and divides by this damage Scaling Standards, i.e. not damaged (0), slight (1), moderate (2), comparatively serious (3), serious (4), critical (5), the most critical or fatal injury (6);
5). utilize simulated humanbody to carry out flak jackets protection potruncus organ mechanics response test
(1) soft bullet-resistant garment simulated humanbody pareordia is worn, i.e. left collarbone center line 4,5 intercostal, liver lung transitional areas with low speed, at a high speed shooting respectively with pistol cartridge, i.e. right side midaxillary line 8,9 intercostal; Pistol cartridge type, speed, shooting position are all consistent with animal experiment; The identical speed in each position shoots 3 times, all enables data collecting instrument record simulated humanbody sensor response signal during each shooting;
(2) hard ballistic clothing simulated humanbody pareordia is worn, i.e. left collarbone center line 4,5 intercostal, liver lung transitional areas with low speed, at a high speed shooting respectively with rifle bullet, i.e. right side midaxillary line 8,9 intercostal; Rifle bullet type, speed, shooting position are all consistent with animal experiment; The identical speed in each position shoots 3 times, all enables data collecting instrument record simulated humanbody sensor response signal during each shooting;
6). set up the corresponding relation that simulated humanbody mechanical response and biological damage are marked
(1) after the protection of simulated humanbody flak jackets, mechanical response comprises the pressure peak of heart, lungs, liver, stomach;
(2) biological damage scoring is the AIS score value of experimental animal heart, lungs, liver, stomach;
(3) under determining identical flak jackets, identical bullet, identical speed, identical shooting position condition, the distributed area of the simulated humanbody heart corresponding with biological heart, lungs, liver, gastric injury score value, lungs, liver, gastric pressure peak value;
7). carry out the evaluation of flak jackets protective benefits based on simulated humanbody mechanical response
(1) with certain flak jackets to be evaluated parcel simulated humanbody trunk, guarantee that simulated humanbody trunk shooting position is in effective protection state;
(2) pressure test of heart, lungs, liver, stomach is carried out by step 5;
(3) by the corresponding relation that simulated humanbody mechanical response and the biological damage of step 6 foundation are marked, according to the pressure peak of measured simulated humanbody heart, lungs, liver, stomach, the impairment scale of anticipation organism after the protection of certain flak jackets;
(4) the rear organ damage score value sum of flak jackets protection is calculated, as the basis that protection artifact degree of injury judges;
(5) to protect artifact degree of injury for foundation, can compare different brands soft bullet-resistant garment or hard ballistic clothing protective benefits.
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| CN111721460A (en) * | 2020-05-13 | 2020-09-29 | 清华大学 | Trunk protection structure explosion-proof shock wave performance testing device and evaluation detection method |
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