CN116298178A - Energetic material testing system and method - Google Patents
Energetic material testing system and method Download PDFInfo
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- CN116298178A CN116298178A CN202310323515.4A CN202310323515A CN116298178A CN 116298178 A CN116298178 A CN 116298178A CN 202310323515 A CN202310323515 A CN 202310323515A CN 116298178 A CN116298178 A CN 116298178A
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- 238000004154 testing of material Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 153
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 239000003570 air Substances 0.000 claims description 62
- 239000013307 optical fiber Substances 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 abstract description 14
- 239000002360 explosive Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/227—Explosives, e.g. combustive properties thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an energetic material testing system, which relates to the technical field of energetic material testing and mainly comprises the following components: the device comprises a test container and a detection assembly, wherein a test sample can be placed in the test container, an air inlet is arranged on the test container, and air can be introduced into the air inlet to pressurize the test sample in the test container; the detection assembly is capable of detecting a reaction of a test sample within the test receptacle. The invention also discloses an energetic material testing method adopting the energetic material testing system. The invention can test the airflow impact sensitivity of the energetic material.
Description
Technical Field
The invention relates to the technical field of energetic material testing, in particular to an energetic material testing system and method.
Background
The energetic material is a metastable substance and has the characteristic of high energy density, and can rapidly release a large amount of energy after being excited by a specific excitation mode, so as to damage surrounding objects; based on this principle, energetic materials are designed for various types of work, providing convenience for living production, and are largely classified into primary explosive, high explosive, booster explosive, etc., according to the different characteristics exhibited by the energetic materials.
To determine the stability of an energetic material, the sensitivity of the energetic material is typically tested; sensitivity is the ability of explosive substances to undergo explosive changes under the influence of external energy. Currently, the sensitivity of an energetic material is typically tested directly by an impact sensitivity meter, which is the test of the impact sensitivity of an energetic material by striking the energetic material with a drop hammer.
However, in addition to the reaction of the energetic material by the impact, the energetic material may also undergo reactions such as ignition or explosion when rapidly compressed by the gas; the existing impact sensitivity meter can only singly test the impact sensitivity of the energetic material, but cannot test the airflow impact sensitivity of the energetic material.
Accordingly, it is desirable to provide a testing device for testing the airflow shock sensitivity of an energetic material.
Disclosure of Invention
The invention aims to provide an energetic material testing system and method, which are used for solving the problems in the prior art and testing the airflow impact sensitivity of the energetic material.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides an energetic material testing system, comprising:
the test device comprises a test container, a pressure sensor and a control unit, wherein a test sample can be placed in the test container, and an air inlet is arranged on the test container and can be filled with air to pressurize the test sample in the test container;
and the detection component can detect the reaction of the test sample in the test container.
Preferably, the detection assembly comprises an optical fiber sensor and a signal receiver, the optical fiber sensor is mounted on the test container and can detect an optical signal in the test container, the optical fiber sensor is in signal connection with the signal receiver so as to transmit the optical signal to the signal receiver, the signal receiver is further connected with a controller, and the controller records the condition that the test sample in the test container reacts at least comprises that the signal receiver receives the optical signal.
Preferably, the optical fiber sensor is mounted on the top of the test container through a mounting jacket, and a light-transmitting window is further formed in the bottom of the mounting jacket and can be used for allowing light in the test container to pass through, so that the light in the test container is received by the optical fiber sensor.
Preferably, the detecting assembly further comprises a temperature sensor, the temperature sensor is mounted on the test container and can detect the temperature of the test sample in the test container, the temperature sensor is connected with a controller, and the controller records that the reaction condition of the test sample in the test container at least comprises that the temperature detected by the temperature sensor reaches a temperature preset value.
Preferably, the detecting assembly further comprises a pressure sensor, the pressure sensor can detect the pressure in the test container, the pressure sensor is connected with a controller, and the controller records that the condition of the reaction of the test sample in the test container at least comprises that the pressure detected by the pressure sensor reaches a pressure preset value.
Preferably, the air inlet is connected with an air supply device through an air inlet pipeline.
Preferably, the gas supply device is a high-pressure gas cylinder, and the high-pressure gas cylinder can provide nitrogen, air or oxygen.
Preferably, a pressure regulating valve is installed at one end of the air inlet pipeline, which is close to the air supply device, and the pressure regulating valve can regulate the air inlet pressure of the air inlet pipeline; and a switch valve is further arranged at one end of the air inlet pipeline, which is close to the test container.
Preferably, the air inlet pipe is further provided with a one-way valve, and the one-way valve can enable the air in the air supply device to enter the test container in a one-way mode.
The invention also provides an energetic material testing method, which adopts the energetic material testing system and comprises the following steps:
s1, introducing gas into the test container so as to pressurize a test sample in the test container;
s2, detecting the reaction of the test sample in the test container through the detection component.
Compared with the prior art, the invention has the following technical effects:
according to the invention, through the air inlet arranged on the test container, air can be introduced into the test container to pressurize the test sample in the test container, and the reaction of the test sample when the test sample is compressed by the air can be detected through the detection assembly, so that the air flow impact sensitivity of the energetic material can be tested.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an energetic material testing system in accordance with an embodiment of the present invention;
in the figure: 1. the device comprises a high-pressure gas cylinder, an automatic pressure regulating valve, a one-way valve, a solenoid valve, a pressure sensor, an optical fiber sensor, a mounting jacket, a light-transmitting window, a temperature sensor, a test container, a controller and a signal receiver.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide an energetic material testing system and method, which are used for solving the problems in the prior art and testing the airflow impact sensitivity of the energetic material.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Example 1
As shown in fig. 1, the present embodiment provides an energetic material testing system, which mainly comprises a testing container 10 and a detection component; wherein, a test sample can be placed in the test container 10, a gas inlet is arranged on the test container 10, gas can be introduced into the gas inlet to pressurize the test sample in the test container 10, and the detection component can detect the reaction of the test sample in the test container 10; further, the test sample is an energetic material.
In this embodiment, through the gas inlet provided on the test container 10, gas can be introduced into the test container 10 to pressurize the test sample in the test container 10, and the reaction of the test sample when the test sample is compressed by the gas can be detected by the detection assembly, so that the air flow impact sensitivity of the energetic material can be tested.
In this embodiment, the inner diameter of the test vessel 10 is preferably 20mm, the wall thickness is preferably 2mm, the inner height is preferably 20mm, and the top of the test vessel 10 is provided with a top cover; wherein the test sample is loaded in the test container 10 in a small amount, so that the test can be carried out in a common laboratory without a special test site.
In this embodiment, the detection assembly may include an optical fiber sensor 6 and a signal receiver 12, where the optical fiber sensor 6 is mounted on the test container 10 and is capable of detecting an optical signal in the test container 10, and the optical fiber sensor 6 is in signal connection with the signal receiver 12 to transmit the optical signal to the signal receiver 12, and the signal receiver 12 is further connected with the controller 11.
In this embodiment, the optical fiber sensor 6 detects whether light is generated in the test container 10, and when light is generated in the test container 10, the optical fiber sensor 6 detects an optical signal and transmits the optical signal to the signal receiver 12, the signal receiver 12 transmits the optical signal to the controller 11, and the controller 11 determines that a fire phenomenon occurs in the test container 10.
In this embodiment, the optical fiber sensor 6 is mounted on the top of the test container 10 through a mounting jacket 7, wherein the mounting jacket 7 is welded on the top cover of the test container 10, a mounting hole with a hole diameter of 3mm is further formed in the top cover of the test container 10, the mounting jacket 7 is mounted at the mounting hole, and the light transmitting window 8 is located at the bottom of the mounting jacket 7 and can be used for allowing light in the test container 10 to pass through, so that the light in the test container 10 is received by the optical fiber sensor 6. The material of the light-transmitting window 8 may be selected according to specific working requirements, so long as light transmission can be achieved, and in this embodiment, the light-transmitting window 8 is preferably a sapphire window, or a glass window may also be selected.
In this embodiment, the detection assembly further includes a temperature sensor 9, where the temperature sensor 9 is mounted on the test container 10 and is capable of detecting the temperature of the test sample in the test container 10, and the temperature sensor 9 is connected to the controller 11 to transmit temperature data to the controller 11; specifically, a mounting opening is formed in the bottom of the test container 10, the temperature sensor 9 is mounted at the mounting opening, and an armor layer is sleeved on the outer side of the temperature sensor 9, so that the temperature sensor 9 can be protected; further, the temperature measuring part of the temperature sensor 9 may be extended into the test sample in the test container 10 to improve the temperature measurement accuracy.
In this embodiment, when a significant increase in temperature detected by the temperature sensor 9 occurs, it is determined that the test sample reacts.
In this embodiment, the detection assembly further comprises a pressure sensor 5, the pressure sensor 5 is capable of detecting the pressure in the test vessel 10, and the pressure sensor 5 is connected to a controller 11; when the pressure detected by the pressure sensor 5 exceeds a preset value, it is judged that the test sample reacts.
In this embodiment, the test sample may be detected by one or more of the optical fiber sensor 6, the temperature sensor 9 and the pressure sensor 5, preferably, the test sample is detected by the optical fiber sensor 6, the temperature sensor 9 and the pressure sensor 5 together, so as to comprehensively determine whether the test sample reacts or not, and ensure the accuracy of detection.
In this embodiment, the air inlet of the test container 10 is connected to an air supply device through an air inlet pipeline, and air is supplied through the air supply device; the air supply device is a mature technology in the field, and can be selected according to specific working requirements, such as selecting an air cylinder or a compressed air cylinder.
In this embodiment, the air supply device is a high-pressure air bottle 1, and the high-pressure air bottle 1 may be a 40L common nitrogen air bottle, an oxygen bottle or the like, and may supply nitrogen, air, oxygen or the like, which is selected according to specific working requirements.
In this embodiment, the pressure of the air source inside the high-pressure air bottle 1 is higher, the volume of the test container 10 is small, the volume of the high-pressure air bottle 1 far exceeds the test container 10, and the target pressure pressurization can be completed in millisecond level.
In this embodiment, a pressure regulating valve is installed at one end of the air inlet pipeline near the air supply device, and the pressure regulating valve can regulate the air inlet pressure of the air inlet pipeline, where the pressure regulating valve may be an automatic pressure regulating valve 2, the automatic pressure regulating valve 2 is connected with a controller 11, so as to realize automatic pressure regulation, and the preset value of the pressure mentioned above is a peak value of the outlet pressure of the automatic pressure regulating valve 2; the air inlet pipeline is also provided with a switch valve at one end close to the test container 10, and the air is controlled to enter the test container 10 through the switch valve, wherein the switch valve is preferably an electromagnetic valve 4 and is connected with the controller 11.
In this embodiment, the air inlet pipe is further provided with a check valve 3, and the check valve 3 can enable the air in the air supply device to enter the test container 10 in a unidirectional manner, so that the pressure in the test container 10 is prevented from rising due to the ignition of the test sample in the test process, the air flow is enabled to flow back into the pipeline and the high-pressure air bottle 1, and the air source and the pipeline are prevented from being polluted.
In the embodiment, the high-pressure gas cylinder 1 is directly connected with the automatic pressure regulating valve 2 through a connector, the automatic pressure regulating valve 2 is directly connected with the one-way valve 3 through a connector, the one-way valve 3 is connected with the electromagnetic valve 4 through a 304 stainless steel pipeline with the inner diameter of 10mm, the wall thickness of 1mm and the length of 2mm, the electromagnetic valve 4 is connected with the test container 10 through a three-way connector with the inner diameter of 6mm, and the pressure sensor 5 is directly connected on the three-way connector and is positioned between the electromagnetic valve 4 and the test container 10.
It should be further noted that, in this embodiment, the controller 11 is a mature prior art in the field, and may be selected according to specific working requirements, where the controller 11 has a data acquisition module, and is capable of acquiring data of each sensor, and the controller 11 controls the automatic pressure regulating valve 2, the electromagnetic valve 4, and the like according to the acquired data.
Example two
The embodiment provides a method for testing an energetic material, which adopts the energetic material testing system in the first embodiment, and mainly comprises the following steps:
s1, introducing gas into the test container 10 to pressurize a test sample in the test container 10;
s2, detecting the reaction of the test sample in the test container 10 through the detection component.
The test procedure is specifically as follows:
1. 5g of test sample is filled in a test container 10;
2. completing the assembly of the energetic material testing system;
3. opening the high-pressure gas cylinder 1 to start gas supply;
4. the outlet pressure of the automatic pressure regulating valve 2 is regulated to a target value by the controller 11, and the target value can be set according to the pressure in the actual working condition of the test sample;
5. the controller 11 opens the electromagnetic valve 4 to supply air into the test container 10, and data recording of the temperature sensor 9 and the pressure sensor 5 and signal recording of the optical fiber sensor 6 are carried out during the period;
6. judging the data and signals obtained in the step 5, and judging that the test sample reacts violently if the pressure value exceeds the peak value of the outlet pressure of the automatic pressure regulating valve 2; if the indication number of the temperature sensor 9 is obviously increased, judging that the test sample reacts; if the signal receiver 12 displays an optical signal, it is determined that the test sample is reacting.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (10)
1. An energetic material testing system, characterized in that: comprising the following steps:
the test device comprises a test container, a pressure sensor and a control unit, wherein a test sample can be placed in the test container, and an air inlet is arranged on the test container and can be filled with air to pressurize the test sample in the test container;
and the detection component can detect the reaction of the test sample in the test container.
2. The energetic material testing system according to claim 1, wherein: the detection assembly comprises an optical fiber sensor and a signal receiver, wherein the optical fiber sensor is arranged on the test container and can detect an optical signal in the test container, the optical fiber sensor is in signal connection with the signal receiver so as to transmit the optical signal to the signal receiver, the signal receiver is further connected with a controller, and the controller records that the condition of the reaction of the test sample in the test container at least comprises that the signal receiver receives the optical signal.
3. The energetic material testing system according to claim 2, wherein: the optical fiber sensor is arranged at the top of the test container through the mounting jacket, and a light-transmitting window is further arranged at the bottom of the mounting jacket and can be used for allowing light in the test container to pass through so that the light in the test container is received by the optical fiber sensor.
4. The energetic material testing system according to claim 1, wherein: the detection assembly further comprises a temperature sensor, the temperature sensor is arranged on the test container and can detect the temperature of the test sample in the test container, the temperature sensor is connected with a controller, and the controller records that the condition of the reaction of the test sample in the test container at least comprises that the temperature detected by the temperature sensor reaches a temperature preset value.
5. The energetic material testing system according to any one of claims 1 to 4, wherein: the detection assembly further comprises a pressure sensor, the pressure sensor can detect the pressure in the test container, the pressure sensor is connected with a controller, and the controller records that the conditions of the reaction of the test sample in the test container at least comprise that the pressure signal detected by the pressure sensor reaches a pressure preset value.
6. The energetic material testing system according to claim 1, wherein: the air inlet is connected with an air supply device through an air inlet pipeline.
7. The energetic material testing system according to claim 6, wherein: the gas supply device is a high-pressure gas cylinder, and the high-pressure gas cylinder can provide nitrogen, air or oxygen.
8. The energetic material testing system according to claim 6 or 7, characterized in that: the pressure regulating valve is arranged at one end of the air inlet pipeline, which is close to the air supply device, and can regulate the air inlet pressure of the air inlet pipeline; and a switch valve is further arranged at one end of the air inlet pipeline, which is close to the test container.
9. The energetic material testing system according to claim 8, wherein: the air inlet pipeline is also provided with a one-way valve, and the one-way valve can enable the air in the air supply device to enter the test container in a one-way manner.
10. The method for testing the energetic material is characterized by comprising the following steps of: use of an energetic material testing system according to any one of claims 1 to 9, comprising the steps of:
s1, introducing gas into the test container so as to pressurize a test sample in the test container;
s2, detecting the reaction of the test sample in the test container through the detection component.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310323515.4A CN116298178A (en) | 2023-03-29 | 2023-03-29 | Energetic material testing system and method |
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| CN202310323515.4A CN116298178A (en) | 2023-03-29 | 2023-03-29 | Energetic material testing system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116298179A (en) * | 2023-03-29 | 2023-06-23 | 北京航天试验技术研究所 | Device and method for testing impact sensitivity of energetic material airflow |
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