CN113567077A - Offshore rocket launching platform impact vibration testing system based on 5G communication technology and testing method thereof - Google Patents
Offshore rocket launching platform impact vibration testing system based on 5G communication technology and testing method thereof Download PDFInfo
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- 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
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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- 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
- G01M7/02—Vibration-testing by means of a shake table
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- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention relates to a marine rocket launching platform impact vibration testing system and a testing method thereof based on a 5G communication technology. According to the requirement of an offshore rocket launching platform for impact vibration testing, weak links such as a rocket launching frame, a deck below the rocket launching frame, a bulkhead and the like are provided with testing points, acceleration signals are converted into piezoelectric signals, and the piezoelectric signals are transmitted to a data acquisition system through a special data patch cord; the data acquisition module converts the piezoelectric signal into an analog signal, and the vibration acceleration condition of the measuring point is displayed in real time through a data display system; the signal transmission module comprises a signal transmitting system, a signal receiving system and a 5G base station, when the rocket is about to enter a transmitting stage, testers are timely evacuated from an observation ship for observation, and the signal transmission system transmits signals to the observation ship signal receiving system through the 5G base station on the ship; the remote control module is a remote control system, and the tester uses the remote control system to accurately acquire data according to the actual emission condition.
Description
Technical Field
The invention relates to the technical field of vibration testing, in particular to a marine rocket launching platform impact vibration testing system based on a 5G communication technology and a testing method thereof.
Background
With the increasing saturation of the carrying capacity of land-based rocket launching sites, all countries begin to aim at establishing offshore launching platforms, offshore rocket launching in China succeeds satisfactorily for two consecutive times, but the damage of structures or equipment systems caused by strong stress and strain of the structures due to high impact load in the rocket launching process is also widely noticed by researchers. On one hand, the safety of the structure during launching of the offshore rocket can be analyzed through numerical simulation, on the other hand, extensive measured data are accumulated through a marine rocket launching real ship test, and the structure safety is more convincing to be evaluated deeply and accurately in a test. Therefore, the offshore rocket launching platform has great engineering value for carrying out the real ship test from the ejection ignition stage to the propulsion stage.
The traditional vibration testing method needs a tester to carry out field operation through manual operation equipment, and the marine rocket launching can cause all personnel to leave the field when the rocket enters a countdown launching stage for personnel safety, and at the moment, the tester cannot observe and operate the testing equipment, so that data acquisition work cannot be carried out, and the marine launching usually selects the middle and far sea, is far away from a roadbed, has poor signals, and is difficult for the tester to carry out a test through remote operation. Therefore, it is necessary to develop a 5G communication technology-based offshore rocket launching platform impact vibration testing method to provide technical support for real ship testing.
Through the literature search of the prior art, patent documents about a method for testing the impact vibration of a marine rocket launching platform based on the 5G communication technology are rarely published in recent years, and the published materials related to the invention application mainly comprise: 1. a sea surface video compression sensing method based on 5G transmission and improved residual neural network (patent number: 202010385818.5); 2. a fishery maritime search and rescue system and a search and rescue method based on a 5G communication technology (patent number: 202011330609.7); 3. a wireless multifunctional power information acquisition system for offshore platforms (patent number: 201922238249.7).
Patent 1 provides a sea surface video compression perception method based on 5G transmission and improvement residual error neural network, and to the problem that traditional communication scheme transmission speed is slow, the time delay is high, the bandwidth is not enough, adopts the video data of the sea surface search and rescue region that 5G technique transmission unmanned aerial vehicle shot, improves the real-time of sea surface video data transmission to provide the video frame image of high resolution, nevertheless with this patent have great difference in the direction of application. Patent 2 provides a fishery maritime search and rescue system and search and rescue method based on 5G communication technology, obtains ship parameter information and sea area environmental information in distress through this system, generates the search and rescue decision to feed back the search result to the platform, judge whether search succeeds, different with this patent application, therefore there is very big difference. Patent 3 discloses a wireless multi-functional electric power information acquisition system that offshore platform used, gather electric power system field data, transmit the well control computer through wireless transmission's mode after handling, need not lay a large amount of cables, and the measuring range that detects has covered most electric power system parameter, and measurement accuracy is high, can carry out fault tripping and alarm output, and there is great difference with this patent in the direction of application.
The invention introduces a 5G communication technology-based offshore rocket launching platform impact vibration testing method, provides beneficial conditions for platform structure impact vibration response test data acquisition and structural safety evaluation in the offshore rocket launching stage, and has important significance for offshore rocket launching platform impact vibration real-vessel testing.
Disclosure of Invention
The invention introduces each step of the offshore rocket launching platform real ship impact vibration testing process, has the advantages of strong testing feasibility, accurate testing result and the like, can provide effective supporting means and basis for the offshore rocket launching platform impact vibration test, provides an offshore rocket launching platform impact vibration testing system based on the 5G communication technology and a testing method thereof, and provides the following technical scheme:
a marine rocket launching platform impact vibration testing system based on a 5G communication technology comprises a testing module, a data acquisition module, a signal transmission module and a remote control module;
the test module is used for carrying out test point arrangement and test data transmission on the vibration acceleration sensor, the data acquisition module comprises a data acquisition system and a data display system, the data acquisition system acquires vibration response signals in real time, and the data display system displays the vibration response signals;
the signal transmission module comprises a signal transmitting system, a signal receiving system and a 5G base station, marine real-time signal transmission is carried out through the signal transmission module, the remote control module adopts a remote control system, and a tester uses the remote control system to carry out real-time feedback according to actual transmitting conditions so as to carry out data acquisition.
Preferably, according to the requirement of an offshore rocket launching platform on impact vibration test, test points are arranged on weak links of a rocket launching frame, a deck below the launching frame and a bulkhead, the vibration acceleration sensor is a piezoelectric sensor, an acceleration signal is converted into a piezoelectric signal, and the piezoelectric signal is transmitted to a data acquisition system through a special data patch cord.
Preferably, the number of channels of the data acquisition system is not less than 32, a 256GB electronic hard disk is arranged in the data acquisition system, long-time data acquisition and continuous and uninterrupted storage are realized, and piezoelectric signals are converted into analog signals;
the vibration acceleration condition of the measuring point is displayed in real time through a data display system, and the data display system adopts a Windows operating system to perform touch screen operation, so that the real-time acquisition and analysis of field data are facilitated.
Preferably, the remote control system comprises a client and a server, and the tester uses the remote control system to perform accurate data acquisition according to the actual emission condition.
A5G communication technology-based offshore rocket launching platform impact vibration testing method comprises the following steps:
step 1: measuring points are arranged on weak links such as a rocket launcher, a deck below the launcher, a bulkhead and the like;
step 2: the vibration acceleration sensor is connected with the data acquisition system through a data line, all data transfer lines are special data transfer lines for the piezoelectric sensor, the length of each data transfer line is set to be 20m and 50m according to the position of a measuring point and the distance of the data acquisition system, and all the data transfer lines follow the wiring of a specified circuit of the platform and are fixed to avoid winding;
and step 3: connecting a data acquisition system and a data display system, wherein the data acquisition system converts a piezoelectric signal into an analog signal, displays the vibration acceleration condition of a measuring point in real time through the data display system, and acquires and analyzes data in real time;
and 4, step 4: when the rocket is about to enter a launching stage, testers timely evacuate from an observation ship to observe, and signals are transmitted to a signal receiving system on the observation ship through a 5G base station on the ship;
and 5: the tester uses the remote control system to control according to the actual emission condition, the signal is fed back to the data acquisition system, the data acquisition system starts to work, the vibration acceleration response is recorded at any time, accurate data acquisition is carried out, and the test is completed.
Preferably, the step 1 specifically comprises: the measuring point arrangement follows the following basic principle: at least 3 groups of vibration acceleration sensors with different heights are arranged in the vertical direction of the rocket launcher, and the measuring range is not less than 1000 g; at least 4 groups of three-way acceleration sensors are arranged on a platform deck right below the rocket launcher, and the measuring range is not lower than 1000 g; at least 4 groups of acceleration sensors are arranged below the rocket launcher along the length and width directions of the platform deck at intervals, and the measuring range is not lower than 500 g; and (4) after the measuring points are selected, cleaning the measuring points and bonding the vibration acceleration sensor.
The invention has the following beneficial effects:
compared with the traditional vibration test mode, the offshore rocket launching platform impact vibration test method based on the 5G communication technology is more suitable for structural vibration response test in complex and severe environments, particularly for offshore rocket launching real ship impact vibration test, remote control test is carried out under the condition that offshore communication signals are weak and personnel need to leave the field, and the offshore rocket launching platform impact vibration real ship impact vibration test method is suitable for field requirements of offshore rocket launching platform impact vibration real ship test.
Aiming at the problem that testers cannot acquire real-time data on the platform when the offshore rocket is launched, the invention develops the impact response test of the offshore rocket launching platform through remote control based on the 5G communication technology so as to clarify the impact vibration response rule of the offshore rocket launching platform and lay a foundation for deeply developing the offshore rocket launching impact vibration evaluation and control technology research.
Drawings
FIG. 1 is a schematic diagram of a method for testing impact vibration of an offshore rocket launching platform based on a 5G communication technology;
FIG. 2 is a schematic diagram of an arrangement of shock vibration response measuring points of the marine rocket launching platform.
Detailed Description
The present invention will be described in detail with reference to specific examples.
The first embodiment is as follows:
according to the requirements of an impact vibration test of a marine rocket launching platform, combined with the drawing data of the launching platform, testing points are arranged on weak links such as a rocket launching rack, a deck below the rocket launching rack, a bulkhead and the like, the cleaning of the testing points is completed, and a vibration acceleration sensor is bonded; the vibration acceleration sensor is connected with the data acquisition system through data lines, and all the data lines follow the wiring of the specified circuit of the platform and are fixed to avoid winding; the connection between the data acquisition system and the data display system is completed, the vibration acceleration condition of the measuring point is displayed in real time through the data display system, and the data display system adopts a Windows operating system, can perform touch screen operation and is convenient for real-time acquisition and analysis of field data; when the rocket is about to enter a launching stage, testers timely evacuate from an observation ship to observe, and signals are transmitted to a signal receiving system on the observation ship through a 5G base station on the ship; the remote control system comprises a client and a server, and testers use the remote control system to accurately acquire data according to actual emission conditions to complete test tests.
As shown in fig. 1 to 2, the invention provides a 5G communication technology-based impact vibration test system and a test method thereof for a marine rocket launching platform:
a marine rocket launching platform impact vibration testing system based on a 5G communication technology comprises a testing module, a data acquisition module, a signal transmission module and a remote control module;
the test module is used for carrying out test point arrangement and test data transmission on the vibration acceleration sensor, the data acquisition module comprises a data acquisition system and a data display system, the data acquisition system acquires vibration response signals in real time, and the data display system displays the vibration response signals;
the signal transmission module comprises a signal transmitting system, a signal receiving system and a 5G base station, marine real-time signal transmission is carried out through the signal transmission module, the remote control module adopts a remote control system, and a tester uses the remote control system to carry out real-time feedback according to actual transmitting conditions so as to carry out data acquisition.
Preferably, according to the requirement of an offshore rocket launching platform on impact vibration test, test points are arranged on weak links of a rocket launching frame, a deck below the launching frame and a bulkhead, the vibration acceleration sensor is a piezoelectric sensor, an acceleration signal is converted into a piezoelectric signal, and the piezoelectric signal is transmitted to a data acquisition system through a special data patch cord.
The number of channels of the data acquisition system is not less than 32, a 256GB electronic hard disk is arranged in the data acquisition system, long-time data acquisition and continuous and uninterrupted storage are realized, and piezoelectric signals are converted into analog signals;
the vibration acceleration condition of the measuring point is displayed in real time through a data display system, and the data display system adopts a Windows operating system to perform touch screen operation, so that the real-time acquisition and analysis of field data are facilitated.
The remote control system comprises a client and a server, and testers use the remote control system to accurately acquire data according to actual emission conditions.
The invention also provides a 5G communication technology-based offshore rocket launching platform impact vibration testing method, which comprises the following steps:
step 1: measuring points are arranged on weak links such as a rocket launcher, a deck below the launcher, a bulkhead and the like;
the step 1 specifically comprises the following steps: the measuring point arrangement follows the following basic principle: at least 3 groups of vibration acceleration sensors with different heights are arranged in the vertical direction of the rocket launcher, and the measuring range is not less than 1000 g; at least 4 groups of three-way acceleration sensors are arranged on a platform deck right below the rocket launcher, and the measuring range is not lower than 1000 g; at least 4 groups of acceleration sensors are arranged below the rocket launcher along the length and width directions of the platform deck at intervals, and the measuring range is not lower than 500 g; and (4) after the measuring points are selected, cleaning the measuring points and bonding the vibration acceleration sensor.
Step 2: the vibration acceleration sensor is connected with the data acquisition system through a data line, all data transfer lines are special data transfer lines for the piezoelectric sensor, the length of each data transfer line is set to be 20m and 50m according to the position of a measuring point and the distance of the data acquisition system, and all the data transfer lines follow the wiring of a specified circuit of the platform and are fixed to avoid winding;
and step 3: connecting a data acquisition system and a data display system, wherein the data acquisition system converts a piezoelectric signal into an analog signal, displays the vibration acceleration condition of a measuring point in real time through the data display system, and acquires and analyzes data in real time;
and 4, step 4: when the rocket is about to enter a launching stage, testers timely evacuate from an observation ship to observe, and signals are transmitted to a signal receiving system on the observation ship through a 5G base station on the ship;
and 5: the tester uses the remote control system to control according to the actual emission condition, the signal is fed back to the data acquisition system, the data acquisition system starts to work, the vibration acceleration response is recorded at any time, accurate data acquisition is carried out, and the test is completed.
The above description is only a preferred embodiment of the marine rocket launching platform impact vibration testing system and the testing method thereof based on the 5G communication technology, and the protection scope of the marine rocket launching platform impact vibration testing system and the testing method thereof based on the 5G communication technology is not limited to the above embodiments, and all technical schemes belonging to the idea belong to the protection scope of the invention. It should be noted that modifications and variations which do not depart from the gist of the invention will be those skilled in the art to which the invention pertains and which are intended to be within the scope of the invention.
Claims (6)
1. A marine rocket launching platform impact vibration test system based on 5G communication technology is characterized in that: the system comprises a test module, a data acquisition module, a signal transmission module and a remote control module;
the test module is used for carrying out test point arrangement and test data transmission on the vibration acceleration sensor, the data acquisition module comprises a data acquisition system and a data display system, the data acquisition system acquires vibration response signals in real time, and the data display system displays the vibration response signals;
the signal transmission module comprises a signal transmitting system, a signal receiving system and a 5G base station, marine real-time signal transmission is carried out through the signal transmission module, the remote control module adopts a remote control system, and a tester uses the remote control system to carry out real-time feedback according to actual transmitting conditions so as to carry out data acquisition.
2. The offshore rocket launching platform impact vibration testing system based on the 5G communication technology as claimed in claim 1, wherein: according to the requirement of an impact vibration test of a marine rocket launching platform, measuring points are arranged on weak links of a rocket launching frame, a deck below the launching frame and a bulkhead, a vibration acceleration sensor is a piezoelectric sensor, an acceleration signal is converted into a piezoelectric signal, and the piezoelectric signal is transmitted to a data acquisition system through a special data patch cord.
3. The offshore rocket launching platform impact vibration testing system based on the 5G communication technology as claimed in claim 1, wherein: the number of channels of the data acquisition system is not less than 32, a 256GB electronic hard disk is arranged in the data acquisition system, long-time data acquisition and continuous and uninterrupted storage are realized, and piezoelectric signals are converted into analog signals;
the vibration acceleration condition of the measuring point is displayed in real time through a data display system, and the data display system adopts a Windows operating system to perform touch screen operation, so that the real-time acquisition and analysis of field data are facilitated.
4. The offshore rocket launching platform impact vibration testing system based on the 5G communication technology as claimed in claim 1, wherein: the remote control system comprises a client and a server, and testers use the remote control system to accurately acquire data according to actual emission conditions.
5. A5G communication technology-based offshore rocket launching platform impact vibration testing method is based on the 5G communication technology-based offshore rocket launching platform impact vibration testing system as claimed in claim 4, and is characterized in that: the method comprises the following steps:
step 1: measuring points are arranged on weak links such as a rocket launcher, a deck below the launcher, a bulkhead and the like;
step 2: the vibration acceleration sensor is connected with the data acquisition system through a data line, all data transfer lines are special data transfer lines for the piezoelectric sensor, the length of each data transfer line is set to be 20m and 50m according to the position of a measuring point and the distance of the data acquisition system, and all the data transfer lines follow the wiring of a specified circuit of the platform and are fixed to avoid winding;
and step 3: connecting a data acquisition system and a data display system, wherein the data acquisition system converts a piezoelectric signal into an analog signal, displays the vibration acceleration condition of a measuring point in real time through the data display system, and acquires and analyzes data in real time;
and 4, step 4: when the rocket is about to enter a launching stage, testers timely evacuate from an observation ship to observe, and signals are transmitted to a signal receiving system on the observation ship through a 5G base station on the ship;
and 5: the tester uses the remote control system to control according to the actual emission condition, the signal is fed back to the data acquisition system, the data acquisition system starts to work, the vibration acceleration response is recorded at any time, accurate data acquisition is carried out, and the test is completed.
6. The offshore rocket launching platform impact vibration testing method based on the 5G communication technology as claimed in claim 5, wherein the method comprises the following steps:
the step 1 specifically comprises the following steps: the measuring point arrangement follows the following basic principle: at least 3 groups of vibration acceleration sensors with different heights are arranged in the vertical direction of the rocket launcher, and the measuring range is not less than 1000 g; at least 4 groups of three-way acceleration sensors are arranged on a platform deck right below the rocket launcher, and the measuring range is not lower than 1000 g; at least 4 groups of acceleration sensors are arranged below the rocket launcher along the length and width directions of the platform deck at intervals, and the measuring range is not lower than 500 g; and (4) after the measuring points are selected, cleaning the measuring points and bonding the vibration acceleration sensor.
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