Real-time monitoring system for marine hydrology

文档序号:132330 发布日期:2021-10-22 浏览:32次 中文

阅读说明:本技术 海洋水文实时监测系统 (Real-time monitoring system for marine hydrology ) 是由 张静 胡俊 徐登云 王剑 程军 林晓明 何国述 高华磊 张新华 谭赛杰 谢丕扬 于 2021-07-16 设计创作,主要内容包括:本发明提供海洋水文实时监测系统,包括潜水器,所述潜水器设有若干组,所述系统包括主控单片机、GIS通信模块和远控控制台,所述主控单片机通过GIS通信模块与远程控制台建立通信连接,所述主控单片机设置在潜水器上,所述潜水器上设有检测组件,所述检测组件分别与主控单片机电连接,所述主控单片机包括数据获取模块与数据分析模块,所述数据获取模块用于获取来自检测组件检测到的数据,所述数据分析模块用于管理和分析来自数据获取模块的数据,所述潜水器包括驱动模块,本发明通过潜水器的驱动模块的驱动下潜水器到达海底,再依靠设置在潜水器上的检测组件对海底水文环境进行实时监测,并且通过GIS通信模块把监测数据传输到和远控控制台。(The invention provides a real-time marine hydrology monitoring system, which comprises a submersible, wherein the submersible is provided with a plurality of groups, the system comprises a main control singlechip, a GIS communication module and a remote control console, the main control singlechip is in communication connection with the remote control console through the GIS communication module, the main control singlechip is arranged on the submersible, detection components are arranged on the submersible and are respectively and electrically connected with the main control singlechip, the main control singlechip comprises a data acquisition module and a data analysis module, the data acquisition module is used for acquiring data detected by the detection components, the data analysis module is used for managing and analyzing the data from the data acquisition module, the submersible comprises a driving module, the submersible is driven by the driving module of the submersible to reach the seabed, and the submarine hydrology environment is monitored in real time by the detection components arranged on the submersible, and monitoring data is transmitted to and remotely controlled console through GIS communication module.)

1. The real-time ocean hydrology monitoring system comprises a submersible, and is characterized in that the submersible is provided with a plurality of groups, the system comprises a main control single chip microcomputer, a GIS communication module and a remote control console, the main control single chip microcomputer is in communication connection with the remote control console through the GIS communication module, the main control single chip microcomputer is arranged on the submersible, a detection assembly is arranged on the submersible and is respectively and electrically connected with the main control single chip microcomputer, the main control single chip microcomputer comprises a data acquisition module and a data analysis module, the data acquisition module is used for acquiring data detected by the detection assembly, the data analysis module is used for managing and analyzing the data from the data acquisition module, the submersible comprises a driving module, the driving module comprises two electric turbines and two electric slide rails which are respectively and electrically connected with the main control single chip microcomputer, and the two electric slide rails are respectively and symmetrically arranged on two sides of a shell of the submersible, the two electric turbines are respectively arranged on the two electric sliding rails, the head of the submersible is provided with a drilling device, the drilling device comprises a first cavity, a drilling motor and a rotating head, the fixed end of the drilling motor is arranged in the first cavity, the rotating end of the drilling motor is connected with the rotating head, and the drilling motor is electrically connected with the main control single chip microcomputer.

2. The real-time ocean hydrology monitoring system of claim 1, wherein the submersible comprises a power generation device, the power generation device comprises a storage battery, a charging circuit, a first fixing plate, a second fixing plate, a first electric push rod, a second electric push rod, a first universal turntable and a second universal turntable, one end of the first fixing plate and one end of the second fixing plate are respectively arranged on the two electric slide rails in a sliding manner, the other end of the first fixing plate and the other end of the second fixing plate are respectively connected with the first universal turntable and the second universal turntable, the first universal turntable and the second universal turntable are respectively hinged with the two electric turbines, one end of the first electric push rod and one end of the second electric push rod are respectively arranged on the first universal turntable and the second universal turntable, and the other end of the first electric push rod and the other end of the second electric push rod are respectively connected with the two electric turbines, the storage battery is respectively and electrically connected with the two electric turbines through a charging circuit and is electrically connected with the master control single chip microcomputer, and the first electric push rod and the second electric push rod are respectively and electrically connected with the master control single chip microcomputer.

3. The real-time marine hydrology monitoring system of claim 2, wherein the power generation device further comprises a thermoelectric generation piece, a hot end of the thermoelectric generation piece is disposed on the drilling motor, a cold end of the thermoelectric generation piece is disposed on a housing of the submersible, and the thermoelectric generation piece is electrically connected with the storage battery through a charging circuit.

4. The real-time ocean hydrology monitoring system of claim 1, characterized in that, the detection subassembly includes but is not limited to the depth of water sensor, temperature sensor, water speed sensor, water pressure sensor and the side scan sonar of being connected with master control singlechip electricity respectively.

5. The real-time ocean hydrology monitoring system of claim 4, wherein the data analysis module establishes a terrain elevation model according to the water depth, water temperature, water flow rate, water pressure and side scan terrain data detected by the water depth sensor, the water temperature sensor, the water velocity sensor, the water pressure sensor and the side scan sonar, the master control singlechip sends the terrain elevation model to the remote control console through the GIS communication module, and the remote control console visually displays the terrain elevation model through map software.

6. The real-time marine hydrology monitoring system of claim 1, wherein the submersible is further provided with an ejection device, the ejection device comprises a second cavity, solenoid valves and air bags, the air bags are arranged in the second cavity and are separated by the solenoid valves, and the solenoid valves are electrically connected with the master singlechip.

7. The real-time marine hydrology monitoring system of claim 1, wherein the submersible is further provided with a cleaning device, the cleaning device comprises a heater and a circular scraper, the circular scraper is arranged on the two electric sliding rails in a surrounding mode, and the heater is arranged on the inner wall of the shell and is electrically connected with the master singlechip.

8. The real-time marine hydrology monitoring system of claim 1, wherein the submersible further comprises a crash assembly comprising an audible and visual cue and a crash sensor electrically connected to the master singlechip.

9. The real-time marine hydrology monitoring system of claim 1, wherein the submersible housing outer wall is provided with an anti-corrosive coating.

Technical Field

The invention relates to the technical field of marine hydrology, in particular to a marine hydrology real-time monitoring system.

Background

The main research objects of marine hydrology are seawater temperature, salinity, ocean current, tide, sea wave, transparency, water color, sea luminescence, sea ice and ocean atmospheric interaction, etc., the 21 st century is the 'ocean century', the world is greatly strikingly oriented to the ocean due to the gradual shortage of global land resources and the continuous deterioration of the environment. The marine environment three-dimensional monitoring and information service can improve the monitoring and early warning capability on the disastrous marine environment and improve the operation environment guarantee capability on marine engineering. By monitoring the elements of the marine environment, the variety, the number and the concentration of pollutants in the marine area and the migration and transformation rules of the pollutants in the marine environment can be mastered, the technology and the measures for preventing and controlling the pollution are provided, and the foundation is laid for realizing the scientization and the quantification of the marine environment protection supervision management. Marine environmental monitoring is also an important component of marine environmental science research. The marine environment monitoring data and the information product have authenticity and objectivity, can exactly reflect the quality condition or the pollution degree of the marine environment, and can provide reliable environmental information for the scientific research of the marine environment.

The existing marine hydrology real-time monitoring system mainly depends on a measuring ship and various buoys to monitor marine hydrology environments, however, the measuring ship and the various buoys are easily affected by environmental factors, the submarine hydrology environments cannot be monitored, and all-weather monitoring cannot be carried out.

Disclosure of Invention

Accordingly, the present invention is directed to a real-time marine hydrology monitoring system that solves at least the above problems.

The technical scheme adopted by the invention is as follows:

the real-time marine hydrology monitoring system comprises a submersible, wherein the submersible is provided with a plurality of groups, a plurality of groups of submersible can more accurately monitor marine underwater hydrology environments, so that the monitoring range is wider, the system comprises a main control single chip microcomputer, a GIS communication module and a remote control console, the main control single chip microcomputer is in communication connection with the remote control console through the GIS communication module, the main control single chip microcomputer is arranged on the submersible, a detection assembly is arranged on the submersible and is respectively and electrically connected with the main control single chip microcomputer, the main control single chip microcomputer comprises a data acquisition module and a data analysis module, the data acquisition module is used for acquiring data detected by the detection assembly, the data analysis module is used for managing and analyzing the data from the data acquisition module, the submersible comprises a driving module, and the driving module comprises two electric turbines and two electric slide rails which are respectively and electrically connected with the main control single chip microcomputer, the electric submersible is characterized in that the two electric slide rails are symmetrically arranged on two sides of a shell of the submersible respectively, the two electric turbines are arranged on the two electric slide rails respectively, a drilling device is arranged at the head of the submersible and comprises a first cavity, a drilling motor and a rotating head, the fixed end of the drilling motor is arranged in the first cavity, the rotating end of the drilling motor is connected with the rotating head, and the drilling motor is electrically connected with the main control single chip microcomputer.

Furthermore, the submersible comprises a power generation device, the power generation device comprises a storage battery, a charging circuit, a first fixing plate, a second fixing plate, a first electric push rod, a second electric push rod, a first universal rotary table and a second universal rotary table, one end of the first fixing plate and one end of the second fixing plate are respectively arranged on the two electric slide rails in a sliding manner, the other end of the first fixing plate and the other end of the second fixing plate are respectively connected with the first universal rotary table and the second universal rotary table, the first universal rotary table and the second universal rotary table are respectively connected with the two electric turbines in a hinged manner, one end of the first electric push rod and one end of the second electric push rod are respectively arranged on the first universal rotary table and the second universal rotary table, the other end of the first electric push rod and the other end of the second electric push rod are respectively connected with the two electric turbines, and the storage battery is respectively electrically connected with the two electric turbines through the charging circuit, and the first electric push rod and the second electric push rod are respectively and electrically connected with the master control singlechip.

Furthermore, the power generation device further comprises a thermoelectric generation piece, the hot end of the thermoelectric generation piece is arranged on the drilling motor, the cold end of the thermoelectric generation piece is arranged on the shell of the submersible, and the thermoelectric generation piece is electrically connected with the storage battery through a charging circuit.

Further, the detection component includes but is not limited to the depth of water sensor, temperature sensor, water speed sensor, water pressure sensor and the side scan sonar that are connected with the main control singlechip electricity respectively.

Further, the data analysis module establishes a terrain elevation model according to water depth, water temperature, water flow velocity, water pressure and side-scan terrain data detected by a water depth sensor, a water temperature sensor, a water velocity sensor, a water pressure sensor and a side-scan sonar, the main control single chip sends the terrain elevation model to the remote control console through a GIS communication module, and the remote control console visually displays the terrain elevation model through map software.

Furthermore, an ejection device is further arranged on the submersible and comprises a second cavity, an electromagnetic valve and an air bag, the air bag is arranged in the second cavity and is separated by the electromagnetic valve, and the electromagnetic valve is electrically connected with the master control single chip microcomputer.

Furthermore, a cleaning device is further arranged on the submersible and comprises a heater and a circular scraper, the circular scraper is arranged on the two electric sliding rails in a surrounding mode, and the heater is arranged on the inner wall of the shell and is electrically connected with the master control single chip microcomputer.

Furthermore, the submersible also comprises a collision assembly, wherein the collision assembly comprises an acousto-optic prompter and a collision sensor which are electrically connected with the master control single chip microcomputer.

Furthermore, an anti-corrosion coating is arranged on the outer wall of the submersible shell.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a real-time marine hydrology monitoring system, when monitoring the submarine hydrology environment, a remote control console sends a signal instruction to a main control singlechip through a GIS communication module, the main control singlechip sends a signal instruction to an electric turbine, the electric turbine drives a submersible to dive to the seabed, when the submersible arrives at the seabed, the main control singlechip sends a signal instruction to a drilling motor, the drilling motor rotates forwards to drive a rotating head to drill the seabed of the seabed, so that the submersible is stabilized at the seabed, a detection assembly arranged on the submersible can stably detect the submarine hydrology environment for a long time, a data acquisition module on the main control singlechip transmits data detected by the detection assembly to a data analysis module, and the data analysis module transmits the managed and analyzed detection data to the remote control console through the GIS communication module, therefore, the control console can monitor the submarine hydrographic environment in real time, when the submersible finishes monitoring of the submarine hydrographic environment, the main control single chip sends a signal instruction to the drilling motor, the drilling motor rotates in the opposite direction to enable the rotary head to be separated from the seabed, meanwhile, the main control single chip sends a signal instruction to the electric sliding rail, the electric sliding rail drives the electric turbine to move towards the seabed along the sliding rail, and the electric turbine can drive the submersible to float upwards. The system relies on the submersible to provide robust and real-time monitoring of the subsea hydrological environment for extended periods of time.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of a submersible of a real-time marine hydrological monitoring system provided by an embodiment of the invention.

Fig. 2 is a schematic diagram of an overall circuit structure of the real-time marine hydrology monitoring system according to the embodiment of the invention.

In the figure, 1 is a remote console, 2 is a GIS communication module, 3 is a master control single chip microcomputer, 4 is an acousto-optic prompter, 5 is a water speed sensor, 6 is a heater, 7 is a collision sensor, 8 is an electric turbine, 9 is an electric slide rail, 10 is a storage battery, 11 is a first electric push rod, 12 is a second electric push rod, 13 is a water depth sensor, 14 is a water temperature sensor, 15 is a water pressure sensor, 16 is a side-scan sonar, 17 is an electromagnetic valve, 18 is a drilling motor, 19 is a first universal rotary table, 20 is a second universal rotary table, 21 is a first fixing plate, 22 is an air bag, 23 is a second cavity, 24 is a second fixing plate, 25 is a circular scraper, 27 is a first cavity, 28 is a thermoelectric generation piece, and 29 is a submersible.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, the illustrated embodiments are provided to illustrate the invention and not to limit the scope of the invention.

Referring to fig. 1 and 2, the invention provides a real-time monitoring system for marine hydrology, the submersible 29 is provided with a plurality of groups, the system comprises a master control singlechip 3, a GIS communication module 2 and a remote control console, the master control singlechip 3 is in communication connection with the remote control console 1 through the GIS communication module 2, the master control singlechip 3 is arranged on the submersible 29, a detection component is arranged on the submersible 29 and is respectively and electrically connected with the master control singlechip 3, the master control singlechip 3 comprises a data acquisition module and a data analysis module, the data acquisition module is used for acquiring data detected by the detection component, the data analysis module is used for managing and analyzing the data from the data acquisition module, the submersible 29 comprises a driving module, the driving module comprises two electric turbines 8 and two electric slide rails 9 which are respectively and electrically connected with the master control singlechip 3, the two electric sliding rails 9 are respectively and symmetrically arranged on two sides of the shell of the submersible 29, the two electric turbines 8 are respectively arranged on the two electric sliding rails 9, the electric turbines 8 can rotate forwards and reversely, the electric turbines can dive downwards through the forward rotation, the square bricks can float upwards, when the submersible 29 dives downwards, the electric turbines 8 can dive downwards through the forward rotation under the instruction of the main control single chip microcomputer 3, when the submersible 29 floats upwards, the main control single chip microcomputer 3 can send signal instructions to the electric sliding rails 9, the electric sliding rails 9 drive the two electric turbines 8 to move downwards along the sliding rails, so that the electric turbines 8 change from the tail parts into the head parts, the electric turbines can reversely float upwards, the submersible 29 can dive and float upwards conveniently through the head-tail displacement of the electric turbines 8, the head part of the submersible 29 is provided with a drilling device, the drilling device comprises a first cavity 27, a drilling motor 18 and a rotary head, the fixed end of the drilling motor 18 is arranged in the first cavity 27, the rotating end of the drilling motor is connected with the rotating head, and the drilling motor 18 is electrically connected with the main control single chip microcomputer 3.

Illustratively, when the submarine hydrographic environment needs to be monitored, the remote control console 1 sends a signal instruction to the master control singlechip 3 through the GIS communication module 2, the master control singlechip 3 sends a signal instruction to the electric turbine 8, the electric turbine 8 drives the submersible vehicle 29 to submerge to the seabed, when the submersible vehicle reaches the seabed, the master control singlechip 3 sends a signal instruction to the drilling motor 18, the drilling motor 18 rotates forwards to drive the steering head to drill the seabed on the seabed, so that the submersible vehicle 29 is stabilized on the seabed, a detection assembly arranged on the submersible vehicle 29 can stably detect the submarine hydrographic environment for a long time, a data acquisition module on the master control singlechip 3 transmits data detected by the detection assembly to a data analysis module, and the data analysis module transmits the managed and analyzed detection data to the remote control console 1 through the GIS communication module 2, therefore, the real-time monitoring of the submarine hydrographic environment by the control console is realized, when the submarine 29 completes the monitoring of the submarine hydrographic environment, the main control singlechip 3 sends a signal instruction to the drilling motor 18, the drilling motor 18 rotates in the opposite direction so as to enable the rotary head to be separated from the seabed, meanwhile, the main control singlechip 3 sends a signal instruction to the electric slide rail 9, the electric slide rail 9 drives the electric turbine 8 to move towards the seabed along the slide rail, and the electric turbine 8 can drive the submarine 29 to float.

The submersible 29 comprises a power generation device, the power generation device comprises a storage battery 10, a charging circuit, a first fixing plate 21, a second fixing plate 24, a first electric push rod 11, a second electric push rod 12, a first universal rotary table 19 and a second universal rotary table 20, one end of the first fixing plate 21 and one end of the second fixing plate 24 are respectively arranged on the two electric slide rails 9 in a sliding manner, the other end of the first fixing plate 21 and the other end of the second fixing plate 24 are respectively connected with the first universal rotary table 19 and the second universal rotary table 20, the first universal rotary table 19 and the second universal rotary table 20 are respectively hinged with the two electric turbines 8, one end of the first electric push rod 11 and one end of the second electric push rod 12 are respectively arranged on the first universal rotary table 19 and the second universal rotary table 20, the other end of the first electric push rod 11 and the other end of the second electric push rod 12 are respectively connected with the two electric turbines 8, the electric turbine 8 is a circular windmill-shaped turbine, the storage battery 10 is respectively and electrically connected with the two electric turbines 8 through a charging circuit and is electrically connected with the main control singlechip 3, the first electric push rod 11 and the second electric push rod 12 are respectively and electrically connected with the main control singlechip 3, exemplarily, the cruising ability of the submersible 29 in the seabed for a long time is an important problem, in order to ensure the cruising ability of the storage battery 10 of the submersible 29, the submarine current can be utilized to generate electricity to improve the cruising ability of the submersible 29, when the submersible 29 is fixed on the seabed to detect the hydrological environment, the main control singlechip 3 sends signal instructions to the first electric push rod 11 and the second electric push rod 12, the first electric push rod 11 and the second electric push rod 12 respectively stand the two electric turbines 8, the turbines rotate away from the traction turbine by utilizing the water, and the rotating turbines charge the storage battery 10 through the charging circuit, the two electric turbines 8 are arranged on the first universal rotating platform 19 and the second universal rotating platform 20, and the rotating sheets of the two electric turbines 8 can change along with the direction of water flow, so that the rotating sheets always face the water flow, power can be continuously generated, and the cruising ability of the storage battery 10 is ensured.

The power generation device further comprises a thermoelectric generation piece 28, the hot end of the thermoelectric generation piece 28 is arranged on the drilling motor 18, the cold end of the thermoelectric generation piece 28 is arranged on the shell of the submersible 29, the thermoelectric generation piece 28 is electrically connected with the storage battery 10 through a charging circuit, illustratively, the temperature of water at the sea bottom is low, in order to generate power fully, thermoelectric generation can be performed by utilizing the temperature difference formed by the heat energy generated by the drilling motor 18 and the low-temperature water at the sea bottom when the selection motor rotates, the electric energy of the storage battery 10 is increased through the thermoelectric generation, the cruising performance of the submersible 29 is guaranteed, and the long-time monitoring of the hydrological environment at the sea bottom is facilitated.

The detection components comprise but are not limited to a water depth sensor 13, a water temperature sensor 14, a water speed sensor 5, a water pressure sensor 15 and a side scan sonar 16 which are respectively and electrically connected with the main control singlechip 3, the water depth sensor 13 can detect the depth of the sea bottom, the water speed sensor 5 can detect the water flow speed of the sea bottom, the water pressure sensor 15 can detect the water pressure data of the sea bottom, the side scan sonar 16 can detect the topographic data of the sea bottom, and accurate data basis can be provided for monitoring the submarine hydrological environment through the sensors.

The data analysis module establishes a terrain elevation model according to water depth, water temperature, water flow rate, water pressure and side-scan terrain data detected by a water depth sensor 13, a water temperature sensor 14, a water speed sensor 5, a water pressure sensor 15 and a side-scan sonar 16, the main control singlechip 3 sends the terrain elevation model to the remote control console through a GIS communication module 2, the remote control console 1 visually displays the terrain elevation model through map software, exemplarily, the remote control console 1 can clearly know the hydrological environment of the seabed through the terrain elevation model, and draws through a drawing software carrier on the remote control console 1, and the hydrological environment of the seabed can be visually mastered.

The submersible 29 is also provided with an ejection device which comprises a second cavity 23, an electromagnetic valve 17 and an air bag 22, the air bag 22 is arranged in the second cavity 23 and is separated by the electromagnetic valve 17, the electromagnetic valve 17 is electrically connected with the master control singlechip 3, in order to ensure the safety of the submersible 29, if an emergency event that the submersible 29 cannot float to the sea surface due to damage of the electric turbine 8 occurs in the floating process, the master control singlechip 3 sends a signal instruction to the electromagnetic valve 17, the electromagnetic valve 17 opens the second cavity 23, so that the air bag 22 in the second cavity 23 is opened, the air bag 22 can drive the failed submersible 29 to float to the sea surface, whether an error occurs in the floating process of the submersible 29, and when the submersible 29 does not float to the water surface within a certain time, the electric turbine 8 is failed.

The submersible vehicle 29 is also provided with a cleaning device which comprises a heater 6 and a circular scraper 25, the circular scraper 25 is arranged on two electric slide rails 9 in a surrounding way, the heater 6 is arranged on the inner wall of the shell and is electrically connected with the master control singlechip 3, for example, the submersible vehicle 29 working on the seabed can be attached by seashells, the performance of the submersible vehicle 29 is greatly influenced by the attachment of the seashells, therefore, the adhesion of the seashells is necessary to be cleaned, when the circular scraper 25 moves along the shell of the submersible vehicle 29 under the driving of the electric slide rails 9, if the seashells are attached to the shell of the submersible vehicle 29 in the moving process, the circular scraper 25 can encounter obstruction, which indicates that the seashells are already attached to the shell of the submersible vehicle 29, and in order to clean the attached seashells, the master control singlechip 3 sends a signal instruction to the heater 6, the heater 6 heats the shell of the submersible vehicle 29, the shellfish attached is cleaned by heating, which ensures the cleanness of the submersible 29.

The submersible 29 also comprises a collision component, the collision component comprises an acousto-optic prompter 4 and a collision sensor 7 which are electrically connected with the master control singlechip 3, the submersible 29 working on the seabed is likely to be attacked by large-scale seabed organisms, if the submersible 29 is attacked by the large-scale seabed organisms, the collision sensor 7 arranged on the submersible 29 can detect the collision, the master control list sends a signal instruction to the acousto-optic prompter 4, and the acousto-optic prompter 4 carries out acousto-optic expelling on the large-scale seabed organisms, so that the safety of the submersible 29 is ensured.

The outer wall of the shell of the submersible 29 is provided with an anti-corrosion coating, and the design of the anti-corrosion coating can guarantee the working life of the submersible 29 and effectively avoid the problem that the submersible 29 is corroded by seawater.

In the above embodiment, the electric turbine 8, the electric slide rail 9, the battery 10, the first electric push rod 11, the second electric push rod 12, the thermoelectric generation sheet 28, the water depth sensor 13, the water temperature sensor 14, the water speed sensor 5, the water pressure sensor 15, the electromagnetic valve 17, the side scan sonar 16, the heater 6, the acousto-optic prompter 4 and the collision sensor 7 may be of any conventional type known to those skilled in the art; the main control singlechip 3 can adopt an STM32 singlechip; the drilling motor 18 is a conventional counter-rotating motor commonly available on the market.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

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