CN115683920A - Large-scale Chi Huo multipoint type mass loss rate measuring system - Google Patents
Large-scale Chi Huo multipoint type mass loss rate measuring system Download PDFInfo
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- CN115683920A CN115683920A CN202211647083.4A CN202211647083A CN115683920A CN 115683920 A CN115683920 A CN 115683920A CN 202211647083 A CN202211647083 A CN 202211647083A CN 115683920 A CN115683920 A CN 115683920A
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- 238000005303 weighing Methods 0.000 claims abstract description 75
- 239000000446 fuel Substances 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000005259 measurement Methods 0.000 claims description 28
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000002474 experimental method Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 239000011241 protective layer Substances 0.000 description 5
- 238000013480 data collection Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000036284 oxygen consumption Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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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Abstract
The invention relates to a large-scale Chi Huo multi-point type mass loss rate measuring system, which comprises a weighing mechanism, a fuel disc, a data acquisition device, a data converter and a data display terminal, wherein the fuel disc is arranged on the weighing mechanism, the data acquisition device is connected with the weighing mechanism, two ends of the data converter are respectively connected with the data acquisition device and the data display terminal, and weighing data are fed back, stored and exported through the data display terminal.
Description
Technical Field
The invention relates to the technical field of fire safety, in particular to a large-scale Chi Huo multipoint type mass loss rate measuring system.
Background
The heat release rate is the most basic parameter of a fire, determines the amount of heat released by a fire source and the size of the fire, and further determines the combustion characteristic parameters, and therefore, it is necessary to measure the fuel heat release rate.
At present, the heat release rate is mainly measured by two methods, an oxygen consumption method and a mass loss method. The principle of the oxygen consumption method measurement is that when fuel is completely combusted, the same heat can be generated when oxygen of unit mass is consumed, the heat release rate is calculated by measuring the consumed oxygen amount, and in the actual fire experiment process, the fuel is not completely combusted, so that the heat release rate measured by the oxygen consumption method has certain deviation. The mass loss method is to calculate the heat release rate by using the mass loss rate of the fuel and the combustion heat value of the fuel, wherein the mass loss rate is the change rate of the mass of the fuel in the combustion process along with the time, and the mass loss rate can be obtained by measuring the mass of the fuel on line in an experiment. At present, a precision balance is usually adopted for measurement in a fire experiment, generally speaking, the measuring range of the high-precision balance is often small, the requirement of a large-scale fire experiment in a pool is difficult to meet, and the precision balance is expensive and is easy to damage in the fire experiment.
Disclosure of Invention
The invention aims to provide a large-scale Chi Huo multi-point type mass loss rate measuring system, so that the large-scale mass loss rate measuring system is convenient to assemble, economical, practical and wide in measuring range, realizes convenient and real-time measurement of fuel quality of a large-scale pool fire experiment, and provides accurate and real-time measurement data for large-scale pool fire mass loss rate measurement.
In order to achieve the purpose, the invention provides the following technical scheme:
a large-scale Chi Huo multi-point type mass loss rate measuring system comprises a weighing mechanism, a fuel disc, a data collector, a data converter and a data display terminal, wherein the fuel disc is arranged on the weighing mechanism, the data collector is connected with the weighing mechanism, and the data converter is connected between the data collector and the data display terminal.
Optionally, the weighing mechanism comprises:
a support base plate;
the fixed end of each weighing sensor is symmetrically arranged on the supporting bottom plate;
and the weighing platform is supported at the bearing end of each weighing sensor.
Optionally, the load cell is a wide range pressure sensor.
Optionally, the weigh table has a large table top that can smoothly support a large scale fuel tray.
Optionally, the weighing mechanism includes a heat insulation protective layer, and the heat insulation protective layer is wrapped outside the weighing mechanism.
Optionally, the fixed end of the weighing sensor is arranged on the supporting bottom plate through a cushion block.
Optionally, the load bearing end of the load cell is connected to the weighing station by a pressure foot.
Optionally, the support bottom plate includes a plurality of support foot plates and a fixed bottom plate, the support foot plates are disposed below the fixed bottom plate to support the fixed bottom plate, and each of the weighing sensors is disposed on the fixed bottom plate.
According to the technical scheme, the invention discloses a large-scale Chi Huo multi-point type mass loss rate measuring system which comprises a weighing mechanism, a fuel disc, a data acquisition unit, a data converter and a data display terminal, wherein the fuel disc is arranged on the weighing mechanism, the data acquisition unit is connected with the weighing mechanism, the data converter is connected between the data acquisition unit and the data display terminal, the fuel disc is used for containing fuel, the data acquisition unit acquires weighing data of the weighing mechanism, the weighing data are fed back, stored and exported through the data display terminal after being converted through the data converter, and the large-scale Chi Huo multi-point type mass loss rate measuring system is simple in structure, convenient to assemble, economical and practical, convenient to apply to different fire scenes, and capable of achieving real-time measurement of the mass of the fuel in a large-scale pool fire experiment fuel mass loss rate, thereby obtaining the mass loss rate of the fuel in the fire process, further obtaining the high-power fire heat release rate, and providing accurate, convenient and real-time measuring data for the large-scale pool fire mass loss rate measurement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a large-scale Chi Huo multi-point mass loss rate measurement system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a weighing mechanism of a large-scale Chi Huo multi-point mass loss rate measurement system according to an embodiment of the present invention;
FIG. 3 is a side view of a weighing mechanism of a large scale Chi Huo multi-point mass loss rate measurement system provided by an embodiment of the present invention;
FIG. 4 is a top view of a stationary base plate of a large scale Chi Huo multi-point mass loss rate measurement system provided by an embodiment of the present invention;
FIG. 5 is a top view of a pad block of a large scale Chi Huo multi-point mass loss rate measurement system provided by an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a load cell of a large-scale Chi Huo multi-point mass loss rate measurement system according to an embodiment of the present invention.
In the figure:
1-a weighing mechanism; 2-a fuel pool; 3-a data collector; 4-a data converter; 5-a data display terminal; 6-supporting the foot plate; 7-fixing the bottom plate; 8-cushion block; 9-a weighing sensor; 10-presser foot; 11-a weighing table; 12-a heat insulating protective layer; 13-fitting holes of the fixed base plate; 14-assembly holes of the cushion block; 15-fixed end of weighing sensor; 16-the load bearing end of the load cell; 17-cable of the load cell; 18-assembly holes at the fixed end of the weighing sensor; 19-assembly holes of the load bearing end of the load cell.
Detailed Description
The core of the invention is to provide a large-scale Chi Huo multi-point type mass loss rate measuring system, and the structural design of the large-scale Chi Huo multi-point type mass loss rate measuring system enables the large-scale Chi Huo multi-point type mass loss rate measuring system to be convenient and fast to assemble, economical and practical, wide in measuring range, capable of achieving convenient and fast real-time measurement of fuel quality of large-scale pool fire experiments, and capable of providing accurate and real-time measuring data for large-scale pool fire mass loss rate measurement.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a large-scale Chi Huo multi-point mass loss rate measurement system according to an embodiment of the present invention.
The embodiment of the invention discloses a large-scale Chi Huo multipoint mass loss rate measuring system, and the large-scale Chi Huo multipoint mass loss rate measuring system comprises a weighing mechanism 1, a fuel disk 2, a data collector 3, a data converter 4 and a data display terminal 5.
Wherein, the fuel dish is used for holding the fuel, the fuel dish sets up in weighing mechanism 1's bearing end 16, and laboratory space ground or experiment horizontal table face are arranged in to weighing mechanism 1, and data collection station 3 is connected with weighing mechanism 1, and data converter 4 is connected between data collection station 3 and data display terminal 5, and data collection station 3 gathers weighing mechanism 1's weighing data, through data converter 4 conversion back, with weighing data through data display terminal 5 feedback, save and derive.
Compared with the prior art, the large-scale Chi Huo multi-point type mass loss rate measuring system provided by the embodiment of the invention has the advantages of simple structure, convenience in assembly, economy and practicability, convenience in application to different fire scenes, and capability of realizing real-time measurement of fuel quality in a large-scale pool fire experiment, so that the mass loss rate of fuel in a fire process is obtained, the high-power fire heat release rate is further obtained, and accurate, convenient and real-time measurement data is provided for the large-scale pool fire mass loss rate measurement.
Preferably, as shown in fig. 2 and 3, in an embodiment of the present invention, the weighing mechanism 1 includes a supporting base plate, weighing sensors 9 and a weighing platform 11, wherein the supporting base plate serves as a base and a support of the weighing mechanism 1 and provides mounting positions for the rest of the components, fixed ends 15 of the weighing sensors 9 are symmetrically arranged on the supporting base plate, and cables 17 of the weighing sensors 9 are connected with the data collector 3; the weighing platform 11 is supported at the bearing end 16 of each weighing sensor 9 and has a large table top capable of stably supporting the large-scale fuel tray to prevent the fuel tray from overturning, wherein the large table top means that the area of the table top of the weighing platform is not less than half of the bottom area of the maximum-scale fuel tray. It can be seen that the weighing mechanism 1 adopts a layout structure of multi-point weighing sensors, which can enlarge the range of use and reduce the system measurement error.
Further optimizing the technical scheme, as shown in fig. 2 and 3, the weighing mechanism 1 comprises a heat insulation protective layer 12, the heat insulation protective layer 12 is wrapped outside the weighing mechanism 1, damage to components such as the heat conduction of the fuel pool 2 and the fire heat radiation symmetrical retransmission sensor 9 is avoided, and the working stability and the service life of the large-scale Chi Huo multipoint type mass loss rate measuring system are ensured.
As shown in fig. 3, in the embodiment of the present invention, the fixed end 15 of the weighing sensor 9 is disposed on the supporting base plate through the pad 8, specifically, in a specific embodiment, as shown in fig. 4 and 5, the fixed end 15 of the weighing sensor 9 is detachably connected to the pad 8, the pad 8 is connected to the supporting base plate and the fixed end 15 of the weighing sensor 9 through the threaded fasteners, the pad 8 and the supporting base plate are respectively provided with corresponding assembly holes, the pad 8 and the fixed end 15 of the weighing sensor 9 are respectively provided with corresponding assembly holes, the threaded fasteners are respectively matched with the assembly holes of the pad 8 and the supporting base plate to detachably connect the pad 8 and the supporting base plate, the threaded fasteners are bolts and nuts, the bolts are matched with the through holes of the pad 8 and the fixed end 15 of the weighing sensor 9 to detachably connect the pad 8 and the supporting base plate, if one of the pad 8 and the fixed end 15 of the supporting base plate is a through hole, the other threaded fasteners are threaded fasteners, the threaded fasteners pass through holes of the pad 8 and the supporting base plate, the threaded fasteners are not matched with the threaded fasteners, and the threaded fasteners are not matched with the supporting base plate, and the threaded fasteners to connect the pad 8 and the supporting base plate.
Naturally, in order to facilitate connection, three of the supporting base plate, the cushion block 8 and the fixed end 15 of the load cell 9 may be simultaneously connected by a threaded fastener to simplify assembly, as shown in fig. 4, 5 and 6, three of the supporting base plate, the cushion block 8 and the fixed end 15 of the load cell 9 are respectively and correspondingly provided with an assembly hole, the threaded fastener is respectively matched with the assembly holes of the three to connect the three, as shown in fig. 4, an assembly hole 13 for fixing the cushion block 8 is provided on the fixing base plate 7, the assembly hole 13 penetrates through the fixing base plate 7, correspondingly, an assembly hole 14 is provided on the fixing cushion block 8, as shown in fig. 5, the assembly hole 14 penetrates through the fixing cushion block 8, as shown in fig. 6, the fixed end 15 of the load cell 9 is provided with an assembly hole 18, the assembly hole 18 penetrates through the fixed end 15 of the load cell 9, the threaded fastener is a fastening bolt and a fastening nut, and the fastening bolt sequentially penetrates through the assembly hole 18, the assembly hole 14 and the assembly hole 13 and the fastening nut to be screwed to connect the fixing base plate 7, the fixing hole 8 and the fixed end 15 of the load cell 9.
Specifically, as shown in fig. 2, in the embodiment of the present invention, the large-scale Chi Huo multi-point mass loss rate measurement system includes four load cells 9, and the four load cells 9 are symmetrically arranged at four corners of the support base plate, so that mounting holes are respectively provided at the four corners of the load cells 9, and the mounting holes are grouped in pairs, thereby increasing the stability of fixing the load cells 9.
Further optimizing the above technical solution, the bearing end 16 of the weighing sensor 9 is connected with the weighing platform 11 through the presser foot 10 to protect the bearing end 16 of the weighing sensor 9, the bearing end 16 of the weighing sensor 9 is detachably connected with the presser foot 10, specifically, in an embodiment, the bearing end 16 of the weighing sensor 9 is connected with the presser foot 10 through a threaded fastener or a snap connection, and the bearing end 16 of the weighing sensor 9 is provided with an assembling hole 19 for installing the presser foot 10.
As shown in fig. 2 and 3, in the embodiment of the present invention, the supporting bottom plate includes supporting leg plates 6 and a fixed bottom plate 7, the supporting leg plates 6 are disposed below the fixed bottom plate 7 to support the fixed bottom plate 7, and each of the load cells 9 is disposed on the fixed bottom plate 7.
Preferably, in the embodiment of the present invention, the load cell 9 is a wide-range pressure sensor, and the load cell 9 can ensure that the fuel plate 2 can weigh a large range of weight, the range can reach hundreds of kilograms, and the accuracy can be controlled to be 0.01g, so as to facilitate the large-scale fire experiment test analysis, specifically, the total range of the load cell 9 is 200kg, and the accuracy is 0.01g.
Further optimize above-mentioned technical scheme, data collection station 3 gathers the weighing data of each weighing sensor 9 simultaneously to the total sum of weighing of each weighing sensor 9 is exported after summing, with the accuracy that promotes the weighing data, reduces system error.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A large-scale Chi Huo multipoint type mass loss rate measuring system is characterized by comprising a weighing mechanism, a fuel disc, a data acquisition unit, a data converter and a data display terminal, wherein the fuel disc is arranged on the weighing mechanism, the data acquisition unit is connected with the weighing mechanism, and the data converter is connected between the data acquisition unit and the data display terminal.
2. The large-scale Chi Huo multi-point mass loss rate measurement system of claim 1, wherein the weighing mechanism comprises:
a support base plate;
the fixed end of each weighing sensor is symmetrically arranged on the supporting bottom plate;
and the weighing platform is supported at the bearing end of each weighing sensor.
3. The large-scale Chi Huo multi-point mass loss rate measurement system of claim 2, wherein the load cell is a wide range pressure sensor.
4. The large-scale Chi Huo multi-point mass loss rate measurement system of claim 2, wherein the weigh platform has a large deck that can support a large-scale fuel tray smoothly.
5. The large-scale Chi Huo multi-point mass loss rate measurement system of claim 2, wherein the weighing mechanism comprises a thermal protection layer that wraps outside the weighing mechanism.
6. The large-scale Chi Huo multi-point mass loss rate measurement system of claim 2, wherein the fixed end of the load cell is disposed on the support base plate through a spacer.
7. The large scale Chi Huo multi-point mass loss rate measurement system of claim 2, wherein the load bearing end of the load cell is connected to the weighing station through a pressure foot.
8. The large-scale Chi Huo multi-point mass loss rate measurement system of any one of claims 2-7, wherein the support base plate comprises support foot plates and a fixed base plate, a plurality of the support foot plates are disposed below the fixed base plate to support the fixed base plate, and each of the load cells is disposed on the fixed base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211647083.4A CN115683920A (en) | 2022-12-21 | 2022-12-21 | Large-scale Chi Huo multipoint type mass loss rate measuring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211647083.4A CN115683920A (en) | 2022-12-21 | 2022-12-21 | Large-scale Chi Huo multipoint type mass loss rate measuring system |
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| CN115683920A true CN115683920A (en) | 2023-02-03 |
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| CN202211647083.4A Pending CN115683920A (en) | 2022-12-21 | 2022-12-21 | Large-scale Chi Huo multipoint type mass loss rate measuring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054139A (en) * | 2023-10-10 | 2023-11-14 | 中国科学技术大学 | Real-time quality loss acquisition device under fire experiment scene |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514917A (en) * | 2009-04-03 | 2009-08-26 | 天津商业大学 | Electronic weighing system |
| CN106323661A (en) * | 2016-09-12 | 2017-01-11 | 公安部四川消防研究所 | Testing method of tunnel smoke vent opening concentrated smoke evacuation performance testing device |
| CN106840955A (en) * | 2017-03-29 | 2017-06-13 | 中国林业科学研究院热带林业研究所 | A kind of timbered soil evaporimeter of automatic detection |
| CN208383253U (en) * | 2018-06-26 | 2019-01-15 | 常州百擎智能工程有限公司 | A kind of container tank title body |
| CN109387542A (en) * | 2018-12-28 | 2019-02-26 | 公安部天津消防研究所 | Multiple sources pond fire combustion simulation experiment porch and experimental method |
| CN211042431U (en) * | 2019-12-30 | 2020-07-17 | 济南尤文电气科技有限公司 | A weighing machine constructs for plastic product production |
| CN211651789U (en) * | 2020-01-24 | 2020-10-09 | 安徽省宏图信息技术有限公司 | Unattended automobile weighing early warning system |
| CN213067899U (en) * | 2020-09-29 | 2021-04-27 | 杭州海康威视数字技术股份有限公司 | Weighing device for cigarette packets |
| CN214408540U (en) * | 2021-02-08 | 2021-10-15 | 中国矿业大学(北京) | Pool fire quality loss rate measuring system used in tunnel |
| CN216246723U (en) * | 2021-11-16 | 2022-04-08 | 英飞智信(北京)科技有限公司 | Automatic material weighing device that connects that can hide |
| CN114674584A (en) * | 2022-03-09 | 2022-06-28 | 中国辐射防护研究院 | Large-scale mobile experimental device for simulating pool fire in finite space |
-
2022
- 2022-12-21 CN CN202211647083.4A patent/CN115683920A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514917A (en) * | 2009-04-03 | 2009-08-26 | 天津商业大学 | Electronic weighing system |
| CN106323661A (en) * | 2016-09-12 | 2017-01-11 | 公安部四川消防研究所 | Testing method of tunnel smoke vent opening concentrated smoke evacuation performance testing device |
| CN106840955A (en) * | 2017-03-29 | 2017-06-13 | 中国林业科学研究院热带林业研究所 | A kind of timbered soil evaporimeter of automatic detection |
| CN208383253U (en) * | 2018-06-26 | 2019-01-15 | 常州百擎智能工程有限公司 | A kind of container tank title body |
| CN109387542A (en) * | 2018-12-28 | 2019-02-26 | 公安部天津消防研究所 | Multiple sources pond fire combustion simulation experiment porch and experimental method |
| CN211042431U (en) * | 2019-12-30 | 2020-07-17 | 济南尤文电气科技有限公司 | A weighing machine constructs for plastic product production |
| CN211651789U (en) * | 2020-01-24 | 2020-10-09 | 安徽省宏图信息技术有限公司 | Unattended automobile weighing early warning system |
| CN213067899U (en) * | 2020-09-29 | 2021-04-27 | 杭州海康威视数字技术股份有限公司 | Weighing device for cigarette packets |
| CN214408540U (en) * | 2021-02-08 | 2021-10-15 | 中国矿业大学(北京) | Pool fire quality loss rate measuring system used in tunnel |
| CN216246723U (en) * | 2021-11-16 | 2022-04-08 | 英飞智信(北京)科技有限公司 | Automatic material weighing device that connects that can hide |
| CN114674584A (en) * | 2022-03-09 | 2022-06-28 | 中国辐射防护研究院 | Large-scale mobile experimental device for simulating pool fire in finite space |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054139A (en) * | 2023-10-10 | 2023-11-14 | 中国科学技术大学 | Real-time quality loss acquisition device under fire experiment scene |
| CN117054139B (en) * | 2023-10-10 | 2024-02-09 | 中国科学技术大学 | Real-time quality loss acquisition device under fire experiment scene |
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