CN107294605B - Real-time monitoring system and monitoring method for full-deep sea pressure simulation test device - Google Patents
Real-time monitoring system and monitoring method for full-deep sea pressure simulation test device Download PDFInfo
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- CN107294605B CN107294605B CN201710549403.5A CN201710549403A CN107294605B CN 107294605 B CN107294605 B CN 107294605B CN 201710549403 A CN201710549403 A CN 201710549403A CN 107294605 B CN107294605 B CN 107294605B
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Abstract
The invention discloses a real-time monitoring system and a monitoring method of a full deep sea pressure simulation test device, wherein the system comprises a pressure simulation device and a monitoring system, the pressure simulation device comprises a control unit electronic cabin, an oil filling junction box, an underwater lamp, an underwater camera, a cradle head, a pressure sensor and a tested object, which are arranged on a bracket, the bracket is arranged in the pressure simulation device, and the posture of the underwater lamp and the underwater camera can be adjusted through the cradle head and relevant test data information acquired by the underwater lamp and the underwater camera can be transmitted to the monitoring system through optical fibers. The invention optimizes and upgrades the functions of the pressure simulation testing device on the premise of not damaging the pressure simulation testing device, changes the testing process of 'black box blind pressing' into 'white box visual pressing', and has the functions of monitoring the pressure in the pressure simulation testing device, monitoring the video, monitoring and collecting the state of the tested object and related parameters, and the like.
Description
Technical Field
The invention relates to the technical field of performance test of deep sea engineering equipment, in particular to a real-time monitoring system and a monitoring method of a full deep sea pressure simulation test device.
Background
The 21 st century is the "ocean century". The ocean is rich in biological resources, chemical resources, mineral resources, power resources and water resources, and is the most development potential strategic space at present. With the development of the ocean strong national strategy in China, 11000-meter-level full-sea deep ocean engineering equipment can carry out full-sea deep ocean observation, is a sharp tool for exploring the development of earth mystery and biological origin and ocean resources, and is in the spotlight at home and abroad. The whole sea deep sea equipment has extremely high requirements on each component and functions thereof, and pressure resistance and functional test are required to be carried out by simulating the deep sea operation environment for many times in the development, development and debugging processes so as to ensure the safety and reliability of the whole sea equipment system.
The pressure simulation testing device, commonly called a pressure cylinder, is one of main tools for simulating the seawater pressure under different depth conditions in deep sea, and is used for testing the pressure resistance of relevant parts and materials of deep sea engineering equipment in a laboratory environment. At present, a plurality of domestic pressure cylinders engaged in deep sea engineering equipment development units are totally enclosed in the process of simulating high-pressure environment test, namely, a control desk pressure gauge displays the pressure in the current pressure simulation test device, no observation window or any other data information is provided for a tester to monitor the test condition of a tested object in the pressure cylinder, and the pressure cylinder is basically in a 'black box touch-typing' state. Therefore, how to realize the visual pressing of the white box, realize the remote monitoring through the network technology, promote the service ability of the full sea depth pressure simulation test device, reduce the waste of personnel and property, shorten the development period of the deep sea engineering equipment, provide a reliable and effective test platform for the development of the sea engineering equipment and parts thereof, the adoption of new materials and new structures and the development of new technology, and have important and profound significance and practical engineering value.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, designs a real-time monitoring system and a monitoring method of a full-deep sea pressure simulation test device, realizes real-time detection, control and remote monitoring of the state of a tested object through a network technology, automatically adjusts the internal pressure of the pressure simulation device, and meets the requirements of pressure resistance test and pressure resistance analysis and evaluation of a deep sea engineering equipment motion control system and components and materials.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a full deep sea pressure simulation testing arrangement real-time monitoring system, includes pressure simulation device, is used for the monitored control system of real-time monitoring pressure and the pressure-bearing state of measured object in the pressure simulation device, pressure simulation device includes casing, support, control unit electronic cabin, pressure sensor, oil charge separated time box, measured object, cloud deck, underwater lamp and camera under water, the support is fixed in the cavity of casing, control unit electronic cabin, pressure sensor, oil charge separated time box and measured object are fixed on the bottom plate of support, the cloud deck hinge is fixed in the upper end of support, and under water lamp and camera under water are fixed at the lower surface of cloud deck, control unit electronic cabin, pressure sensor, measured object, cloud deck, under water lamp and camera under water are connected with the oil charge separated time box through optic fibre respectively, the upper end of casing is interluded and is worn cabin piece by optic fibre, oil charge separated time box and control unit electronic cabin are respectively through the optic fibre and the monitored control system communication connection who fixes in optic fibre in wearing cabin piece.
Further, the monitoring system comprises a first optical transceiver, a video encoder for converting video data into a video network data stream, a character adder for adding the encoded data into video, a computer console, a pressure giving device, a monitoring display, a network switch, a hard disk video recorder and a direct current power supply, wherein a video signal output end of the first optical transceiver is connected with a video signal input end of the video encoder, and a performance parameter signal and a pressure signal output end of a measured object are connected with a signal input end of the computer console; the signal output end of the computer console is respectively connected with the character superimposer and the pressure giving device; the video encoder, the character adder, the hard disk video recorder and the computer console are respectively connected with the network switch through optical fibers, the hard disk video recorder is connected with the monitoring display through the optical fibers, and the direct current power supply is connected with the power end of the oil-filled junction box.
Further, the oil-filled junction box comprises a power interface, a digital servo driver test interface, a CTD test interface, a reserved expansion interface, an underwater lamp interface, an underwater camera interface, a cradle head interface and a pressure sensor interface.
Further, the measured object performance parameter signals comprise pressure-bearing data signals and current-voltage feedback signals.
Further, the control unit electronic cabin comprises a cabin cover, a cabin body and a control module fixed in the cabin body, wherein an optical fiber cabin penetrating member and an electronic cabin watertight connector are inserted in the cabin cover, the control module comprises a second optical terminal machine, a single-chip microcomputer control board, a communication circuit board, a digital servo driver, a tripod head control circuit, an input/output board, a pressure sensor switch circuit, an underwater lamp dimming circuit, a camera switch circuit and a wiring terminal, the single-chip microcomputer control board is respectively in communication connection with the pressure sensor switch circuit, the underwater lamp dimming circuit and the camera switch circuit through the input/output board, the single-chip microcomputer control board is respectively in communication connection with the digital servo driver and the tripod head control circuit through the communication circuit board, and the second optical terminal machine is in communication connection with the first optical terminal machine through an optical fiber fixed in the optical fiber cabin penetrating member.
Further, the control module also comprises a water leakage detection interface circuit for detecting water leakage of the control unit electronic cabin and the oil filling junction box.
Further, the input-output board includes a digital input port, a digital output port, an analog input port, an analog output port, and a PWM output port.
Further, the control unit electronic cabin is made of titanium alloy materials.
A monitoring method of a real-time monitoring system of a full deep sea pressure simulation test device specifically comprises the following steps:
step 1: the system is powered on and started and self-inspected;
step 2: presetting a pressurizing curve in a computer console according to the pressure bearing performance test requirement of the tested object;
step 3: the pressure sensor detects the internal pressure of the pressure simulation device in real time, and transmits a pressure signal to the control unit electronic cabin through the oil filling junction box, and the control unit electronic cabin transmits the pressure signal to the computer console; the computer control console controls the output pressure of the pressure giving device through a PID algorithm according to the received pressure data, and judges whether the internal pressure of the pressure simulating device reaches the set pressure or not, if so, the step 4 is executed, and the pressure bearing performance test of the tested object is started; otherwise, controlling the internal pressure of the pressure simulation testing device through the PID algorithm again;
step 4: the method comprises the steps that bearing data information of a measured object and video data collected by an underwater camera are respectively transmitted to a control unit electronic cabin through an oil filling junction box, the control unit electronic cabin transmits the video data to a first optical transceiver, the bearing data information is transmitted to a computer control console, the computer control console performs closed-loop control on the measured object, the first optical transceiver transmits the video data to a video encoder to generate a video network data stream, and a character adder superimposes the encoded data on a video; after the pressure bearing performance test is finished, the computer control console generates an internal pressure-time curve diagram of the pressure simulation test device in the whole test process and a pressure bearing data curve diagram of the tested object, and generates a corresponding test report, and video information and test data information in the test process are uploaded to a network in real time through a network switch.
Further, the step 4 further includes a step 4.1: the water leakage detection interface circuit detects the water leakage condition of the electronic cabin of the control unit and the oil-filled junction box in real time, and if water leakage occurs, the alarm is controlled to give an alarm, and meanwhile, the bearing performance test task is terminated.
The invention has the positive beneficial effects that:
1. on the premise of not damaging the pressure simulation device, the real-time monitoring of the internal pressure of the pressure simulation device and the pressure-bearing state of the tested object is realized, various pressure-bearing data and pressure-bearing state of the tested object can be detected, the pressure-bearing data and video data of the tested object are transmitted to a monitoring system, the test process of 'black box blind pressing' before transformation is changed into 'white box visual pressing', the visualization and networking of the whole test process are realized, and the service quality is improved, so that effective safety guarantee is provided in the marine equipment high-voltage test.
2. The underwater camera and the underwater lamp can give an instruction to control the cradle head to adjust the posture through the computer control console, and even if the underwater camera and the underwater lamp are refracted after entering water, an observed object can be adjusted through the cradle head without being in a visual area, and the on-line adjustment of the brightness of the underwater lamp and the focal length adjustment of the underwater camera can be realized in the test process.
3. The experimental data are superimposed into the video through the character superimposer, so that the information quantity of the video is improved; the computer control console can automatically generate corresponding real-time pressure-time curves, pressure-current curves, pressure-voltage curves and the like, automatically generate reports, do not need to manually record experimental processes, and are fully automated.
4. The electronic cabin, the pressure sensor, the oil-filled junction box, the measured object, the cradle head, the underwater lamp and the underwater camera of the control unit are fixed in the shell of the pressure simulation device, so that the detection and control of the pressure-bearing state of the measured object are realized, and various control instructions, detection data and video information can be transmitted; all equipment inside the pressure simulation device can be moved, detached and installed, so that the applicability is strong, and the pressure simulation device can be flexibly configured as long as the capacity of the pressure simulation device is proper.
5. The oil-filled junction boxes are used for sorting and classifying the lines, so that the holes of electronic cabins of the control units are reduced, corresponding water-tight connector test interfaces are provided for CTDs, underwater servo propellers, underwater cameras and the like, and the direct installation test can be realized; a plurality of watertight connector interfaces are reserved to provide connection support for different tested objects and upgrade and reform services of the device;
6. a unified modeling language (Unified Modeling Language, UML) is used for designing an upper computer real-time monitoring system integrating real-time monitoring and performance analysis, and remote interaction can be carried out through a network.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic diagram of the internal structure of the control unit electronic cabin and the oil-filled junction box in the invention.
FIG. 3 is a flow chart of the testing process of the present invention.
The specific meanings of the reference numerals in the drawings are: 1-a cradle head; 2-an underwater camera; 3-underwater lamps; 4-a bracket; 5-a control unit electronic cabin; 6-a pressure sensor; 7-an oil-filled junction box; 8-a measured object; 9-a pressure simulation device; 10. 11-optical fiber; 12. 13-an optical fiber pod; 14-a first optical transceiver; 15-a video encoder; 16-a network switch; 17-character superimposer; 18-a hard disk video recorder; 19-a direct current power supply; 20-a computer console; 21-a monitor display; 22-pressure-giving means; 23-a housing; 24-monitoring a system; 25-a second optical transceiver; 26-connecting terminals; 27-a communication circuit board; 28-a digital servo driver; 29-a cradle head control circuit; 30-an input/output board; 31-a pressure sensor switching circuit; 32-underwater lamp dimming circuit; 33-camera switching circuitry; 34-a singlechip control board; 35-a water leakage detection interface circuit; 36-an optical fiber insert; 37-connecting terminals; 38-CTD test interface; 39-reserving an expansion interface; 40-a power interface; 41-digital servo drive test interface; 42-cabin body; 43-hatch cover; 44-watertight cable; 45-optical fiber connectors; 46-electronics compartment watertight connector.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
Referring to fig. 1, the real-time monitoring system for the full deep sea pressure simulation test device according to the present invention includes a pressure simulation device and a monitoring system 24 for monitoring the pressure inside the pressure simulation device and the pressure-bearing state of the object to be tested in real time.
The pressure simulation device comprises a shell 23, a bracket 4, a control unit electronic cabin 5, a pressure sensor 6, an oil filling junction box 7, a measured object 8, a cradle head 1, an underwater lamp 3 and an underwater camera 2. The support 4 is fixed in the cavity of the shell 23, and the control unit electronic cabin 5, the pressure sensor 6, the oil filling junction box and the 7 measured object 8 are fixed on the bottom plate of the support 4. The cradle head 1 is hinged and fixed at the upper end of the bracket 4, and can look down the control unit electronic cabin 5, the oil filling junction box 7, the pressure sensor 6 and the measured object 8. The underwater lamp 3 and the underwater camera 2 are fixed on the lower surface of the cradle head 1, the underwater lamp 3 and the underwater camera 2 can adjust the gesture through the cradle head 1, and the on-line adjustment of the brightness of the underwater lamp 3 and the focal length of the underwater camera 2 can be realized in the test process. The bracket and the equipment fixed on the bracket are integrally hung in the shell of the pressure simulation device and are mainly used for collecting video information and pressure information in the pressure simulation device and pressure bearing performance parameters of a measured object, such as relation information of current, voltage and the like along with pressure change. The control unit electronic cabin 5, the pressure sensor 6, the measured object 8, the cradle head 1, the underwater lamp 3 and the underwater camera 2 are respectively connected with the oil filling branch box 7 through optical fibers, the upper end of the shell 23 is inserted with optical fiber cabin penetrating members 12 and 13, the oil filling branch box 7 and the control unit electronic cabin 5 are respectively in communication connection with the monitoring system 24 through optical fibers 10 and 11 fixed in the optical fiber cabin penetrating members, and pressure data measured by the pressure sensor 6, video data shot by the underwater camera 2 and the like are transmitted to the monitoring system 24 through the optical fibers.
The control unit electronic cabin 5 is made of titanium alloy material and can bear the water depth pressure of 11000 meters in full sea depth. As shown in fig. 2, the control unit electronic cabin 5 comprises a cabin cover 43, a cabin body 42 and a control module fixed in the cabin body, wherein the cabin cover 43 is penetrated with a fiber-optic cabin penetrating member 45 and an electronic cabin watertight connector 46. The control module in the cabin body comprises a second optical transceiver 25, a singlechip control board 34, a communication circuit board 27, a digital servo driver 28, a cradle head control circuit 29, an input/output board 30, a pressure sensor switch circuit 31, an underwater lamp dimming circuit 32, a camera switch circuit 33 and a wiring terminal 26. The singlechip control board 34 is respectively in communication connection with the pressure sensor switch circuit 31, the underwater lamp dimming circuit 32 and the camera switch circuit 33 through the input/output board 30, the singlechip control board 34 is respectively in communication connection with the digital servo driver 28 and the cradle head control circuit 29 through the communication circuit board 27, the communication circuit board 27 is in communication connection with the second optical transceiver 25, and the second optical transceiver 25 is connected with the first optical transceiver 25 through an optical fiber fixed in an optical fiber cabin penetrating piece.
The second optical transceiver 25 converts electrical signals such as video information, pressure information and detection information of a detected object into optical signals that can be transmitted in the optical fiber 10, and after being analyzed by the first optical transceiver 14, the first optical transceiver 14 transmits the video signals to the video encoder 15, the pressure information and the detection information of the detected object are transmitted to the computer console 20, and control signals of the computer console 20 are also transmitted to corresponding modules in the control unit electronic cabin 5 through the second optical transceiver 25 and the first optical transceiver 14. The singlechip control board receives the configuration information of the computer control board, and then controls the state of the interface equipment of the oil-filled junction box, such as the switch of a camera and the brightness adjustment of an underwater lamp through the input/output board 30; and the working states of the cradle head and the digital servo driver can be changed by carrying out parameter configuration on the digital servo driver and the cradle head control circuit through the system communication board. And the working characteristic parameters of the tested object under the high-voltage testing environment, such as current, voltage and other tested object pressure-bearing data information are transmitted to the second optical transceiver through the communication circuit board. The communication circuit board integrates common RS232, RS485, CAN bus and I 2 And the C bus and the SPI interface are responsible for receiving pressure data, digital servo driver control and cradle head control information in the pressure simulation device, and meet the communication requirements of various components or modules.
The function of the wiring terminal 26 is to provide electrical connection for the wiring terminal 37 inside the oil-filled junction box 7, the connection mode is that the electronic cabin watertight connector 46 is electrically connected with the wiring terminal 26, each watertight connector on the oil-filled junction box 7 is electrically connected with the wiring terminal 37, and the watertight connector 45 is connected with the electronic cabin watertight connector 46 through the watertight cable 44. The electronic cabin watertight connector 46 is both a power supply interface of the control unit electronic cabin 5 and an information exchange interface between the control unit electronic cabin 5 and the oil-filled junction box 7.
The input/output board 30 integrates digital input/output, analog input/output, PWM output functions, etc., and specifically includes a digital input port, a digital output port, an analog input port, an analog output port, and a PWM output port. A digital input readable digital signal, a digital output controllable pressure sensor switching circuit 31 and a camera switching circuit 33; the analog input may read analog signals such as: current, voltage; the analog output can realize the control of related measured objects according to the requirements of a computer console; the PWM output may control the underwater dimming circuit to control the intensity of the brightness of the underwater light 3.
The monitoring system 24 includes a first optical transceiver 14, a video encoder 15, a character adder 17, a computer console 20, a pressure-setting device 22, a monitor display 21, a network switch 16, a hard disk recorder 18, and a dc power supply 19. The video signal output end of the first optical transceiver 14 is connected with the video signal input end of the video encoder 15, the performance parameter signal and the pressure signal output end of the measured object are connected with the signal input end of the computer console 20, the performance parameter signal of the measured object comprises a pressure-bearing data signal and a current-voltage feedback signal, the pressure-bearing data signal is detected by a pressure sensor, and the current-voltage feedback signal is detected by a current-voltage sensor. The signal output end of the computer control desk 20 is respectively connected with the character adder 17 and the pressure giving device 22; the video encoder 15, the character adder 17, the hard disk video recorder 18 and the computer console 20 are respectively connected with the network switch 16 through optical fibers, the hard disk video recorder 18 is connected with the monitoring display 21 through optical fibers, and the direct current power supply 19 is connected with the power end of the oil filling junction box 7.
The pressure simulation device transmits the detected pressure data and video data to the first optical transceiver 14 through an optical fiber, the first optical transceiver 14 transmits the obtained video data to the video encoder 15, and the video encoder 5 converts the video data into a video network data stream; meanwhile, the first optical transceiver 14 transmits the obtained pressure intensity and other relevant test data (various pressure-bearing data signals of the tested object) to the computer control console 20 in real time, the computer control console 20 records and stores the data in real time, codes the data according to a communication protocol in a stipulated format and transmits the data to the character adder 17, and the character adder 17 adds the coded data to the video. The computer console 20 may set a pressurization curve command in advance according to a measurement requirement of a measured object, and automatically adjust the output of the pressure setting device 22, i.e., the pressurization pump, based on a PID algorithm according to detection information of the pressure sensor, so that the internal pressure of the pressure simulation device 22 is quickly tracked to reach a specified pressure value. The computer console 20 can also set control instruction parameters of the measured object, and the parameters are transmitted to the inside of the pressure simulation device through optical fibers to realize closed-loop control of the measured object. After the high-pressure test is finished, the computer control console 20 generates an internal pressure-time curve chart of the pressure simulation device in the whole test process, a pressure-current curve chart, a pressure-voltage curve chart or the like of the related tested object, and a corresponding test report. Meanwhile, the video information and the test data information in the test process can be uploaded to the network in real time through the network switch 16, so that relevant personnel can browse or download references on line.
The oil-filled junction box 7 adopts an internal oil-filled pressure balance mode, can bear the water depth pressure of 11000 meters in full sea depth, and has the main effects of classifying and arranging lines, reducing holes of an electronic cabin and providing an equipment test interface. The inside of the oil filling junction box is a wiring terminal, and the oil filling junction box is provided with a plurality of watertight connectors, so that an underwater lamp, an underwater camera, a cradle head and a pressure sensor can be connected to corresponding interfaces through watertight cables, and the oil filling junction box specifically comprises a power interface, a digital servo driver test interface, a CTD test interface, a reserved expansion interface, an underwater lamp interface, an underwater camera interface, a cradle head interface and a pressure sensor interface. The watertight connector 40 shown in fig. 2 is a power interface for providing power for the internal system of the pressure simulator, the watertight connector 41 is a test interface for the servo underwater propeller, the watertight connector 38 is a CTD test interface, and the watertight connector 39 is a reserved expansion interface. The oil-filled junction box 7 is connected with the control unit electronic cabin 5 through the watertight connector 45 and the watertight connector 46 by the watertight cable 44, so as to supply power to the control unit electronic cabin 5 and exchange data.
Preferably, the control module of the present embodiment further includes a water leakage detection interface circuit 35 for detecting water leakage between the control unit electronic compartment and the oil-filled junction box. The water leakage detection interface circuit 35 provides a water leakage detection interface for the control unit electronics compartment and the oil filled junction box.
The real-time monitoring system of the full-deep sea pressure simulation test device can adjust the attitude angles of the camera and the underwater lamp through the cradle head in the pressure simulation test process, and realize real-time monitoring and acquisition of video, pressure, the state of a tested object and related parameters such as propeller current and/or voltage information. The computer control console automatically adjusts the output of the pressure giving device based on a proportional-integral-derivative PID algorithm by receiving detection information of a pressure sensor positioned in the pressure simulating device so that the internal pressure of the pressure simulating device reaches a specified pressure value, thereby realizing accurate automatic control of the internal pressure of the pressure simulating device in the whole test process, and storing, analyzing and outputting a required data report after the test is finished. Meanwhile, related staff can browse test conditions and related data on line through the Internet. As shown in fig. 3, the real-time monitoring method of the full deep sea pressure simulation test device specifically comprises the following steps:
step 1: the system is powered on and started and self-inspected;
step 2: presetting a pressurizing curve in a computer console according to the pressure bearing performance test requirement of the tested object;
step 3: the pressure sensor 6 detects the internal pressure of the pressure simulation device in real time, and transmits a pressure signal to the control unit electronic cabin 5 through the oil filling junction box 7, and the control unit electronic cabin 5 transmits the pressure signal to the computer console 20; the computer control console 20 controls the output pressure of the pressure giving device 22 through a PID algorithm according to the received pressure data, the computer control console 20 judges whether the internal pressure of the pressure simulating device reaches the set pressure, if so, the step 4 is executed, and the pressure bearing performance test of the tested object is started; otherwise, controlling the internal pressure of the pressure simulation testing device through the PID algorithm again;
step 4: the pressure-bearing data information of the measured object and the video data collected by the underwater camera 2 are respectively transmitted to the control unit electronic cabin 5 through the oil-filled junction box 7, the control unit electronic cabin 5 transmits the video data to the first optical transceiver 14, the pressure-bearing data information is transmitted to the computer console 20, the computer console 20 performs closed-loop control on the measured object, the first optical transceiver 14 transmits the video data to the video encoder 15 to generate a video network data stream, and the character adder 17 superimposes the encoded data into the video; after the bearing performance test is finished, the computer console 20 generates an internal pressure-time curve chart of the pressure simulation test device in the whole test process and a bearing data curve chart of the tested object, and generates a corresponding test report, and video information and test data information in the test process are uploaded to the network in real time through the network switch 16.
The step 4 further comprises a step 4.1: the water leakage detection interface circuit 35 detects the water leakage condition of the electronic cabin of the control unit and the oil-filled junction box in real time, and if water leakage occurs, the alarm is controlled to give an alarm, and meanwhile, the pressure bearing performance test task is terminated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that; modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (8)
1. The real-time monitoring system of the full deep sea pressure simulation test device is characterized by comprising a pressure simulation device and a monitoring system for monitoring the internal pressure of the pressure simulation device and the pressure-bearing state of a tested object in real time, wherein the pressure simulation device comprises a shell, a support, a control unit electronic cabin, a pressure sensor, an oil-filled junction box, the tested object, a tripod head, an underwater lamp and an underwater camera;
the monitoring system comprises a first optical transmitter and receiver, a video encoder, a character adder, a computer console, a pressure giving device, a monitoring display, a network switch, a hard disk video recorder and a direct current power supply, wherein the video signal output end of the first optical transmitter and receiver is connected with the video signal input end of the video encoder, the performance parameter signal and the pressure signal output end of a tested object are connected with the signal input end of the computer console, and the performance parameter signal of the tested object comprises a pressure-bearing data signal and a current-voltage feedback signal; the signal output end of the computer console is respectively connected with the character superimposer and the pressure giving device; the video encoder, the character adder, the hard disk video recorder and the computer console are respectively connected with the network switch through optical fibers, the hard disk video recorder is connected with the monitoring display through the optical fibers, and the direct current power supply is connected with the power end of the oil-filled junction box;
the control unit electronic cabin comprises a cabin cover, a cabin body and a control module fixed in the cabin body, wherein an optical fiber cabin penetrating piece and an electronic cabin watertight connector are inserted in the cabin cover; the control module comprises a second optical terminal, a singlechip control board, a communication circuit board, a digital servo driver, a cradle head control circuit, an input/output board, a pressure sensor switch circuit, an underwater lamp dimming circuit, a camera switch circuit and a wiring terminal; the single-chip microcomputer control board is respectively in communication connection with the pressure sensor switch circuit, the underwater lamp dimming circuit and the camera switch circuit through the input and output boards, the single-chip microcomputer control board is respectively in communication connection with the digital servo driver and the cradle head control circuit through the communication circuit board, the communication circuit board is in communication connection with the second optical terminal, and the second optical terminal is connected with the first optical terminal through an optical fiber fixed in the optical fiber cabin penetrating piece.
2. The real-time monitoring system of the full deep sea pressure simulation test device according to claim 1, wherein the oil-filled junction box comprises a power interface, a digital servo driver test interface, a CTD test interface, a reserved expansion interface, an underwater lamp interface, an underwater camera interface, a cradle head interface and a pressure sensor interface.
3. The real-time monitoring system of the full deep sea pressure simulation test device according to claim 1, wherein the performance parameter signals of the tested object comprise pressure-bearing data signals and current-voltage feedback signals.
4. The real-time monitoring system of the full deep sea pressure simulation test device according to claim 1, wherein the control module further comprises a water leakage detection interface circuit for detecting water leakage of the control unit electronic cabin and the oil-filled junction box.
5. The real-time monitoring system of the full deep sea pressure simulation test apparatus according to claim 1, wherein the input-output board comprises a digital input port, a digital output port, an analog input port, an analog output port, and a PWM output port.
6. The real-time monitoring system of the full-deep sea pressure simulation test device according to claim 1, wherein the control unit electronic cabin is made of titanium alloy materials.
7. A monitoring method of a real-time monitoring system of a full deep sea pressure simulation test device according to any one of claims 1-6, characterized by comprising the following steps:
step 1: the system is powered on and started and self-inspected;
step 2: presetting a pressurizing curve in a computer console according to the pressure bearing performance test requirement of the tested object;
step 3: the pressure sensor detects the internal pressure of the pressure simulation device in real time, and transmits a pressure signal to the control unit electronic cabin through the oil filling junction box, and the control unit electronic cabin transmits the pressure signal to the computer console; the computer control console controls the output pressure of the pressure giving device through a PID algorithm according to the received pressure data, and judges whether the internal pressure of the pressure simulating device reaches the set pressure or not, if so, the step 4 is executed, and the pressure bearing performance test of the tested object is started; otherwise, controlling the internal pressure of the pressure simulation testing device through the PID algorithm again;
step 4: the method comprises the steps that bearing data information of a measured object and video data collected by an underwater camera are respectively transmitted to a control unit electronic cabin through an oil filling junction box, the control unit electronic cabin transmits the video data to a first optical transceiver, the bearing data information is transmitted to a computer control console, the computer control console performs closed-loop control on the measured object, the first optical transceiver transmits the video data to a video encoder to generate a video network data stream, and a character adder superimposes the encoded data on a video; after the pressure bearing performance test is finished, the computer control console generates an internal pressure-time curve diagram of the pressure simulation test device in the whole test process and a pressure bearing data curve diagram of the tested object, and generates a corresponding test report, and video information and test data information in the test process are uploaded to a network in real time through a network switch.
8. The method for monitoring the real-time monitoring system of the full deep sea pressure simulation test device according to claim 7, wherein the step 4 further comprises the step 4.1 of: the water leakage detection interface circuit detects the water leakage condition of the electronic cabin of the control unit and the oil-filled junction box in real time, and if water leakage occurs, the alarm is controlled to give an alarm, and meanwhile, the bearing performance test task is terminated.
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| CN109167899A (en) * | 2018-09-30 | 2019-01-08 | 华中科技大学 | A kind of warship, ship and the underwater component actuation real time monitoring apparatus of submarine navigation device |
| CN110260926B (en) * | 2019-07-16 | 2021-06-15 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Intelligent monitoring and protecting system for energy supply of deep-sea manned submersible |
| CN110543066B (en) * | 2019-07-19 | 2021-11-09 | 东至森溢生物能源科技有限公司 | Underwater photography and camera device with light supplementing lamp |
| CN110967165A (en) * | 2019-11-20 | 2020-04-07 | 中国船舶重工集团公司第七0五研究所 | Method for testing performance of full-sea-depth optical fiber micro-cable |
| CN113542464B (en) * | 2021-07-02 | 2024-03-05 | 维沃移动通信有限公司 | Camera structure and electronic equipment |
| CN114684335A (en) * | 2022-03-24 | 2022-07-01 | 山东科技大学 | Pressure experiment device and pressure tracking method for underwater mobile platform |
| CN114878345B (en) * | 2022-06-01 | 2023-05-09 | 中国船舶科学研究中心 | Image capturing test device for pressure-bearing model destruction process and application method thereof |
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