CN112461990A - Device for testing time characteristics of initiating explosive device and pyrotechnic element - Google Patents
Device for testing time characteristics of initiating explosive device and pyrotechnic element Download PDFInfo
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- CN112461990A CN112461990A CN202011324935.7A CN202011324935A CN112461990A CN 112461990 A CN112461990 A CN 112461990A CN 202011324935 A CN202011324935 A CN 202011324935A CN 112461990 A CN112461990 A CN 112461990A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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Abstract
The invention discloses a device for testing the time characteristics of an initiating explosive device and a pyrotechnic element. The hardware of the device comprises a notebook computer (1), a USB data acquisition card (2), an initiator (3), a current sampling resistor (4) and a photoelectric detector (5), and the software part is special test software (6). The testing of the initiation time characteristics of the electric initiation initiating explosive device and the pyrotechnic element can be realized. The invention can provide accurate detonation time data for the production and development of military industry, civil initiating explosive devices and pyrotechnic elements, thereby guiding the production and development of the products.
Description
Technical Field
The present invention is in the field of performance testing of pyrotechnic articles. In particular to a device for testing the time characteristics of initiating explosive devices and pyrotechnic elements, which is applied to the testing work of the initiation time of electrically initiated initiating explosive devices and pyrotechnic elements.
Background
At present, in the industry, the testing of the detonation time of the electric detonation initiating explosive device and the pyrotechnic element generally adopts an on-off target to judge the action time of a tested object and a timer to measure the time difference between the electrifying time and the action time of the tested object. The method has the defects of large error of target on-off time test, inconvenient data analysis and the like.
Disclosure of Invention
The invention aims to provide a device for testing the time characteristics of an initiating explosive device and a pyrotechnic element, which realizes the functions of testing the initiation time of an electric initiation initiating explosive device and the pyrotechnic element, storing data and analyzing the data.
The technical scheme of the invention is as follows:
the hardware part comprises a notebook computer (1), a USB data acquisition card (2), an exploder (3), a current sampling resistor (4) and a photoelectric detector (5), and the software part is special test software (6).
The assembling process comprises the following steps: the notebook computer (1) is connected with the USB data acquisition card (2) through a data line; the detonator (3) and the current sampling resistor (4) are connected in series to a detonation loop; two analog quantity input ends of the USB data acquisition card (2) are respectively connected with a signal output end of the photoelectric detector (5) and two ends of the current sampling resistor (4); and installing the special test software (6) into the notebook computer (1).
The special test software (6) is developed by adopting Visual Basic 6.0 and has the functions of synchronously acquiring and storing two paths of analog signals; the test data curve drawing and analyzing function is achieved; the acquisition frequency of each analog quantity is 100 KHz; the remark adding function is provided for the collected data; the data curve intercepting function is provided; has a vertical axis stretching display function.
The invention can provide accurate detonation time data for the production and development of military industry, civil initiating explosive devices and pyrotechnic elements, thereby guiding the production and development of the products.
Drawings
FIG. 1 is an assembly view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments thereof for the purpose of making apparent the objects, contents and advantages thereof.
The notebook computer (1) is connected with the USB data acquisition card (2) through a data line; the detonator (3) and the current sampling resistor (4) are connected in series to a detonation loop; two analog quantity input ends of the USB data acquisition card (2) are respectively connected with a signal output end of the photoelectric detector (5) and two ends of the current sampling resistor (4); and installing the special test software (6) into the notebook computer (1).
In order to improve the universality of the device, the USB data acquisition card (2) can adopt two data acquisition cards of Altai USB2080 and Altai USB 2085.
In order to facilitate data analysis, the USB data acquisition card (2) adopts a voltage single-end analog input mode, and the signal voltage range is-10V.
In order to adapt to different detonation modes, the current sampling resistor (4) can be replaced according to the detonation voltages of different detonation modes.
Since the test article generally emits light when it is applied, a photodetector (5) is used as a detector for determining the timing of application of the test article. In order to reduce the judgment error of the action moment of the tested product, the photoelectric detector (5) adopts a weak spectrophotometer which has high response rate and is sensitive to the change of external light.
The special test software (6) is developed by adopting Visual Basic 6.0 and has the functions of synchronously acquiring and storing two paths of analog signals; the test data curve drawing and analyzing function is achieved; the acquisition frequency of each analog quantity is 100 KHz; the remark adding function is provided for the collected data; the data curve intercepting function is provided; has a vertical axis stretching display function.
The time characteristic test error of the device is less than 100 mus.
Claims (6)
1. The utility model provides an initiating explosive device and fireworks component time characteristic testing arrangement which characterized in that: the hardware part comprises a notebook computer (1), a USB data acquisition card (2), an exploder (3), a current sampling resistor (4) and a photoelectric detector (5), and the software part is special test software (6). The notebook computer (1) is connected with the USB data acquisition card (2) through a data line; the detonator (3) and the current sampling resistor (4) are connected in series to a detonation loop; two analog quantity input ends of the USB data acquisition card (2) are respectively connected with a signal output end of the photoelectric detector (5) and two ends of the current sampling resistor (4); and installing the special test software (6) into the notebook computer (1).
2. A device for testing the time characteristics of pyrotechnic elements and articles as claimed in claim 1 wherein: the USB data acquisition card (2) can adopt two data acquisition cards of Altai USB2080 and Altai USB 2085.
3. A device for testing the time characteristics of pyrotechnic elements and articles as claimed in claim 1 wherein: the USB data acquisition card (2) adopts a voltage single-end analog input mode, and the signal voltage range is-10V.
4. A device for testing the time characteristics of pyrotechnic elements and articles as claimed in claim 1 wherein: the current sampling resistor (4) can be replaced according to the detonation voltage of different detonation modes.
5. A device for testing the time characteristics of pyrotechnic elements and articles as claimed in claim 1 wherein: the photoelectric detector (5) adopts a weak light photometer.
6. A device for testing the time characteristics of pyrotechnic elements and articles as claimed in claim 1 wherein: the special test software (6) is developed by adopting Visual Basic 6.0 and has the functions of synchronously acquiring and storing two paths of analog signals; the test data curve drawing and analyzing function is achieved; the acquisition frequency of each analog quantity is 100 KHz; the remark adding function is provided for the collected data; the data curve intercepting function is provided; has a vertical axis stretching display function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011324935.7A CN112461990A (en) | 2020-11-16 | 2020-11-16 | Device for testing time characteristics of initiating explosive device and pyrotechnic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011324935.7A CN112461990A (en) | 2020-11-16 | 2020-11-16 | Device for testing time characteristics of initiating explosive device and pyrotechnic element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112461990A true CN112461990A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011324935.7A Pending CN112461990A (en) | 2020-11-16 | 2020-11-16 | Device for testing time characteristics of initiating explosive device and pyrotechnic element |
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| CN (1) | CN112461990A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608394A (en) * | 2022-03-18 | 2022-06-10 | 江西新余国科科技股份有限公司 | Test method for dynamic simulation luminescence performance of luminous initiating explosive device |
-
2020
- 2020-11-16 CN CN202011324935.7A patent/CN112461990A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608394A (en) * | 2022-03-18 | 2022-06-10 | 江西新余国科科技股份有限公司 | Test method for dynamic simulation luminescence performance of luminous initiating explosive device |
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