CN205265823U - General PLC device under water that possesses high definition video transmission path - Google Patents
General PLC device under water that possesses high definition video transmission path Download PDFInfo
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- CN205265823U CN205265823U CN201521115937.XU CN201521115937U CN205265823U CN 205265823 U CN205265823 U CN 205265823U CN 201521115937 U CN201521115937 U CN 201521115937U CN 205265823 U CN205265823 U CN 205265823U
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Abstract
The embodiment of the utility model discloses general PLC device under water that possesses high definition video transmission path, include: a host system for PLC's whole detection and control, a signal acquisition module detects the mouth including high accuracy analog to digital conversion circuit, digital analog conversion circuit and digital quantity and forms, is connected with host system, a power -balance module for that detects entire system uses the electric power circumstances, prevents that the too big damage power of power is and provide necessary output, a power module is connected with host system for accomplish opening, closing of external solenoid valve, the control and the fault detection of motor, host system, power management module, signal acquisition module, power -balance module, power module, communication module, rectifier module and host system set same mechanical mounting dimension's circuit module to. The utility model discloses make this system to realize the different tactics that observe and control through the programming on different underwater kits and instrument and equipment to can directly be applied to and work under water.
Description
Technical field
The utility model belongs to Digital image technology and data acquisition control system field, relates in particular to a kind of toolThe general PLC device under water of standby HD video transmission channel.
Background technology
In recent years, Development of Marine economy and ocean science are risen to unprecedented strategic height, sea by ChinaOcean industry becomes the key areas of cultivation and development strategy new industry especially. In ocean development process,Need numerous special marine engineering equipment and instrument and equipment, these engineer equipments and instrument and equipment developing orIn actual application, the overwhelming majority needs supporting electronic measurement and control system to realize normal work.
At present, developer can select land to obtain the finished product PLC (FPGA of ripe application conventionallyController) device, then by adding watertight pressure-resistant encapsulation, thereby realize electronic control system. And finished product PLCFor the design of land application conditions, do not consider the actual conditions of submerged applications, therefore in actual use,There will be following problem: in (1) PLC module, conventionally possess operation and accident indicator, be convenient to userUnderstand ruuning situation and looking up the fault, but while being applied under water, due to PLC sealing reason, operation and faultIndicating device is all invisible, makes the operation of PLC and failure condition be difficult to obtain in time, difficult in maintenance; (2)PLC does not possess transmission of video passage conventionally, if thereby underwater instrument equipment while thering is video monitoring demand, forTransmission of video passage is provided, also needs additionally to add remote video transmission system, thereby increase TT&C system under waterComplexity. (3) existing PLC is integrated in a system more, also needs heavily if add additional functionalityNewly-generated new system, is not easy to safeguard and upgrading. (4) control of underwater sensor, sub aqua sport deviceCircuit all needs to be sealed under water in pressure-resistant cabin body, and is fixed by cavity support. And circuit board is in the body of cabinA job of wasting time and energy in the design that cabling fixing and circuit is cabin body under water always.
Utility model content
For addressing the above problem, the purpose of this utility model is to provide one to possess HD video transmission channelGeneral PLC device under water, make this system can be on different underwater kits and instrument and equipment real by programmingExisting different observing and controlling strategies, and can directly apply to underwater operation.
For achieving the above object, the technical solution of the utility model is: one possesses HD video transmission channelGeneral PLC device under water, comprising:
One main control module, for whole detection and the control of PLC;
One power management module, for providing required power supply to whole system;
One signal acquisition module, comprises that high precision analogue change-over circuit, D/A converting circuit and digital quantity detectMouth composition, is connected with main control module, for the collection of underwater signal data;
One power-balance module, for detection of the electric power situation of whole system, prevents the excessive damage of powerPower supply and necessary power output is provided;
One power model, is connected with main control module, for complete external magnetic valve unlatching, close motorControl and fault detect;
One communication module, is provided with HD video transmission channel, is connected with main control module;
One rectification module, for completing alternating current to galvanic conversion;
Described main control module passes through mode and described signal acquisition module, the power model of CAN bus and leads toLetter module connects the transmission of settling signal;
Described main control module, power management module, signal acquisition module, power-balance module, power model,Communication module, rectification module and main control module are packaged into the circuit module of same mechanical erection size.
Preferably, further comprise support, support comprises upper cover and lower cover, between described upper cover and lower cover, connectsBe connected to side plate, on described side plate, be provided with some circuit board guide-track grooves, on described circuit board guide-track groove, institute is installedState circuit module.
Preferably, described circuit module front end is provided with state indicator panel, and end is provided with for electric wire and connectsThe first connector, also comprise terminal plate, on described terminal plate, be provided with match with the first connectorTwo connectors.
Preferably, described main control module comprises the first main MCU, and described the first main MCU connects the first systemSelf-inspection MCU, black box and external clock, described the first main MCU connects the CAN communication bus of isolationThe RS232/485 serial ports of interface, isolation and the network communication interface LAN of isolation, described the first system certainlyInspection MCU connects the CAN EBI of isolation.
Preferably, described signal acquisition module comprises the second main MCU, and described the second main MCU is connected withTwo system self-inspection MCU, high-precision adc and sensor electrical source control circuit, described the second main MCU alsoConnect CAN EBI, DAC and the D-IN interface of isolation, described second system self-inspection MCU connectsThe CAN EBI of isolation.
Preferably, described power-balance module comprises the 3rd main MCU, and described the 3rd main MCU is connected withThree System self-test MCU, electric current and voltage Acquisition Circuit, be connected with the CAN of isolation on described the 3rd main MCUCommunication bus interface, power input interface and power stage interface, described the 3rd System self-test MCU connectsThe CAN EBI of isolation.
Preferably, described power model comprises the 4th main MCU, and described the 4th main MCU is connected with Quaternary systemSystem self-inspection MCU, the solid-state relay of 8 groups of band isolation and the CAN EBI of isolation, described Quaternary systemSystem self-inspection MCU connects the CAN EBI of isolation.
Preferably, described main control module, signal acquisition module, power-balance module and power model all arrangeHave reset unit, indication panel, signal of telecommunication monitoring unit and serial number generator, described reset unit providesTwo kinds of reset modes of software reset and hardware reset can reset in time in the time that system is out of order; Described instructionPanel provides the cue of working state of system to user; Described signal of telecommunication monitoring unit will be carried on detection shipWhether the AC220V signal of telecommunication or the DC300V signal of telecommunication of confession be abnormal, the electric power thus supplied of real-time feedback system,In the time of generation systems abnormal electrical power supply, user can take emergency operation in time, simultaneously also detects and to supply with this moduleSupply voltage; Described serial number generator is by extracting main MCU chip internal 96 ID, and by its withMachine code, temporal information and certain fixed code of PC is in conjunction with generating a reversible sequence number.
Preferably, described power management module comprises isolating switch power.
Preferably, described communication module adopts coaxial communication module or fiber optic communication module.
With prior art adopt general PLC under water and support compared with, the beneficial effects of the utility model asUnder:
(1) this product not only has that land PLC reliability is high, interface resource enriches, possesses modularization knotStructure, the series of advantages such as be simple and easy to use, possess simultaneously compact conformation, integrated level high, carry pressure-resistant seal,Can on-line maintenance, possess HD video transmission channel etc. and be suitable for the advantage of submerged applications, can be in further shorteningWhen the User Exploitation cycle, the significantly versatility of Lifting Control System, ease for use and reliability.
(2) the utility model discloses a kind of modular cabin under water body support frame, by the electricity of standard size designRoad packs in support by the guide rail on support, and by the connection at connector calcaneus branches frame back. EachPiece circuit is all modules independently, dismounting easily, changes and expands. Whole cabin body internal circuitCabling all concentrates on support back, has avoided chaotic cabling circuit to be installed and the impact of systematic function.
(3) main control module provides CAN EBI, RS232/485 interface and ethernet lan interface3 kinds of multi-form isolated communication interfaces are selected for user. Due to the limit of RS232/485 serial communication bandwidthSystem is difficult for using RS232/485 serial communication in the time carrying out the high-speed communication of big data quantity, therefore adopt CANThe mode of bus, CAN bus is used efficient distributed node management, makes the node number in network resonableUnrestricted in opinion, and make equipment use when inadequate and can expand easily in resource. Simultaneously at CANIn bus, each node does not have master-slave, and arbitrary node can be initiated to any other (one or more) nodeData communication, and when communication data segment length mostly be 8 bytes most, taking bus time can be not long, protectsDemonstrate,prove the real-time of communication. Because most of external sensor is under water in the time carrying out data communication with main control moduleNeed to use RS232/485 serial communication, so also retained RS232/485 serial communication mode.
(4) each module can work independently and can realize mutual transfer of data, if wherein a certain module is damagedBad, can carry out easily disassembling, assembling and replacing maintenance, modular design is convenient to user and is entered according to the actual requirementsRow is expanded, and increases work efficiency.
Brief description of the drawings
Fig. 1 is a kind of general PLC dress under water that possesses HD video transmission channel of the utility model embodimentThe system principle diagram of putting.
Fig. 2 is a kind of general PLC dress under water that possesses HD video transmission channel of the utility model embodimentThe main control module circuit structure diagram of putting.
Fig. 3 is a kind of general PLC dress under water that possesses HD video transmission channel of the utility model embodimentThe signal acquisition module circuit structure diagram of putting.
Fig. 4 is a kind of general PLC dress under water that possesses HD video transmission channel of the utility model embodimentThe power-balance modular circuit structure chart of putting.
Fig. 5 is a kind of general PLC dress under water that possesses HD video transmission channel of the utility model embodimentThe power module circuit structure chart of putting.
Fig. 6 is a kind of general PLC dress under water that possesses HD video transmission channel of the utility model embodimentThe structural representation of the support of putting.
Description of reference numerals: 1-main control module; 2-signal acquisition module; 3-power-balance module; 4-powerModule; 5-power management module; 6-communication module; 7-rectification module; The main MCU of 101-first; 102-One System self-test MCU; 103-black box; 104-external clock; The main MCU of 201-second; 202-second isSystem self-inspection MCU; 203-sensor electrical source control circuit; 204-high-precision adc; 301-the 3rd main MCU;302-the 3rd System self-test MCU; 303-power-balance algorithm; 304-electric current and voltage Acquisition Circuit; 305-meritRate input interface; 306-power stage interface; 401-the 4th main MCU; 402-Quaternary system system self-inspection MCU;403-solid-state relay; 801-shell; 802-circuit board guide-track groove; 803-terminal plate.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawingAnd embodiment, the utility model is further elaborated. Should be appreciated that described herein concreteEmbodiment is only in order to explain the utility model, and is not used in restriction the utility model.
On the contrary, the utility model contain any defined by claim in marrow of the present utility model and scopeOn make substitute, amendment, equivalent method and scheme. Further, for the public is had the utility modelBetter understand, in below details of the present utility model being described, detailed some specific details of having describedPart. Do not have for a person skilled in the art the description of these detail sections can understand this practicality completely yetNovel.
As shown in Figure 1, it possesses the logical of HD video transmission channel under water for the utility model embodiment is a kind ofBy the system principle diagram of PLC device, it comprises: main control module 1, and for whole detection and the control of PLCSystem; Power management module 5, provides required power supply to whole system; Signal acquisition module 2, mainly by heightPrecision analog to digital conversion circuit, D/A converting circuit and digital quantity detect a mouthful composition, be connected with main control module 1,For collection and the detection of underwater signal data; Power-balance module 3, for detection of the electricity consumption of whole systemPower situation, prevents the excessive damage power supply of power and necessary power output is provided; Power model 4, withMain control module 1 connects, for complete external magnetic valve unlatching, close the control of motor and fault detectDeng; Communication module 6, is provided with HD video transmission channel, is connected with main control module 1; Rectification module 7,Be used for alternating current to galvanic conversion; Main control module is by CAN (controller local area network) busMode and signal acquisition module 2, power model 4 and communication module 6 be connected to come the transmission of settling signal,Communication module 6 also can be used Ethernet to realize communicating by letter between main control module 1. Power management module 5300V high pressure can be converted to main control module 1, signal acquisition module 2, the required 24V electricity of power model 4Source, and the required 5V power supply of communication module 6. Main control module, power management module, signals collecting mouldPiece, power-balance module, power model, communication module, rectification module and main control module are arranged to sameThe circuit module of mechanical erection size.
In concrete Application Example, power management module 5 adopts efficiency up to 89% Switching Power Supply, will300V high pressure is converted to 24V normal system operating voltage, and has taked isolation processing, can play waveGush the effect of insulation blocking, greatly strengthened the job stability of system, in power management module 5, will believeNumber electricity and power electricity separately, can prevent in the time using powerful device, and especially equipment has just been opened moment and is withThe impact of the huge current flow of coming on the normal operation of system.
As shown in Figure 2, it possesses the logical of HD video transmission channel under water for the utility model embodiment is a kind ofWith the main control module circuit structure diagram of PLC device, main control module 1 comprises the first main MCU (microprogram controlDevice processed) 101, the first main MCU101 connect the first system self-inspection MCU102, black box 103 and outsideClock 104, also connects the CAN communication bus interface of isolation, RS232/485 serial ports and the isolation of isolationNetwork communication interface LAN, the first system self-inspection MCU102 connects the CAN EBI of isolation, theOne System self-test MCU102 connects the CAN communication bus of isolation. Main control module adopts the first main MCUCarry out the normal work of system with the mode that the first system self-inspection MCU works simultaneously, black box will be storedWhole system, in the system works data of each time point, can be resolved by the poster processing soft after end-of-jobThe data of storage in black box, the flow process of working under water according to the restoring system such as time point, data content,And the data of detection limit can be presented by the mode of performance graph, offer user and be intuitivelySystem real work flow process, so as the discovery of system works problem and solution, the first system self-inspection MCU unitBe divided into two kinds of working methods: system detection mode under system detection mode and line model under off-line mode,Realized the whether normal function of own check system correlation function, external clock unit will use external clockThe mode of chip, provides a stable clock information to system, and ethernet lan communication is for main control module1 with communication module 6 between communicate by letter, RS232/485 serial communication is for most of sensor and main control module under waterThe data communication of 1, CAN bus is for the real-time Communication for Power of the large data of the each intermodule of submarine system.
As shown in Figure 3, it possesses the logical of HD video transmission channel under water for the utility model embodiment is a kind ofWith the signal acquisition module electrical block diagram of PLC device, comprise the second main MCU201, second is mainMCU201 is connected with second system self-inspection MCU202, sensor electrical source control circuit 203 and high accuracyADC204, the second main MCU201 also connects CAN EBI, DAC and the D-IN interface of isolation,Second system self-inspection MCU202 connects the CAN EBI of isolation. Signal acquisition module 2 provides 12bitWith the analog to digital conversion circuit of 24bit, can require to choose according to the sensor accuracy of need sampling be to use12bitADC sample circuit or 24bitADC sample circuit. Wherein, 12bitADC sample circuit has 10Road, 24bitADC difference sample circuit has 2 tunnels, if 24bitADC voltage sampling circuit has 4 tunnels.In 10 road 12bitADC sample circuits, 5 tunnels are used for gathering voltage signal, and 5 tunnels are used for gathering current signal,Every road gathers current interface can outwards provide 24V power supply. 24bitADC sample circuit is mainly by high accuracyADS1256 (8 24, passage △-∑ pattern number converter) complete collection, then by SPI agreement withThe second main MCU communication, the AD value collecting is through data filtering place of programming realization in the second main MCUReason, can obtain high accuracy, stablize level and smooth data. Signal acquisition module also provides 2 tunnel isolation simulationsVoltage signal output, high accuracy DAC digital voltage signal is converted to-5V--+5V analog voltage signal,Then through isolation amplifier output. Signal acquisition module also provides 8 railway digital input quantities (D-IN) to detect mouth,The data signal of input is gathered by the I/O mouth of the second main MCU through light-coupled isolation. Second system self-inspection MCUTo detect high-precision adc, whether DAC, D-IN can normally work, if make mistakes by independently isolatingCAN bus sends miscue to host computer, and person easy to use can accurately find problem place. Second is mainIt is mutual that the communication mode of MCU201 by CAN bus and main control module 1 carry out data communication. SensorPower control circuit 203 is controlled the opening and closing of the required operating voltage of underwater sensor.
As shown in Figure 4, it possesses the logical of HD video transmission channel under water for the utility model embodiment is a kind ofWith the electrical block diagram of the power-balance module of PLC device, comprise the 3rd main MCU301, the 3rd is mainMCU301 is connected with the 3rd System self-test MCU302, power-balance algorithm 303 and electric current and voltage and gathers electricityThe CAN communication bus interface, the power input that on 304, the three main MCU301 of road, are also connected with isolation connectMouth and power stage interface, the 3rd System self-test MCU302 connects the CAN EBI of isolation. PowerThe 3rd main MCU301 of balance module completes the processing of power-balance algorithm 303, according to power-balance algorithm303 judge for battery charging or to system power supply. Electric current and voltage Acquisition Circuit 304 will make electricity consumptionVoltage current transformer is measured in real time to the DC voltage in electrical network or circuit, DC current, by its conversionFor DC voltage (Uz) output of standard. Input, output loop are isolated completely, and output signal and power supply are altogetherGround, can directly connect with various A/D converter, forms electric current and voltage acquisition system. The 3rd System self-testMCU checks the initial period powering in system to the Acquisition Circuit of this module, if pinpoint the problems,To report to the police by the indicator lamp in indication panel, but while being applied under water, due to PLC sealing reason,Operation is all invisible with indicating fault panel, so the utility model passes through the mode of CAN bus communication,Send false alarm information to system waterborne, report to the police and make the user can by the indicator lamp in indication panel simultaneouslyTo fix a breakdown in time. The electric weight of power-balance module Real-Time Monitoring underwater battery, electric weight passes through water when not enoughOn power supply charge the battery in time, when suddenly power-off in the process of submarine system work, can give under water in timeSystem power supply completes current task, the harm that anti-locking system is unnecessary because power down causes.
As shown in Figure 5, it possesses the logical of HD video transmission channel under water for the utility model embodiment is a kind ofWith the electrical block diagram of PLC device, it comprises the 4th main MCU401, and the 4th main MCU401 connectsBe connected to Quaternary system system self-inspection MCU402, the solid-state relay 403 of 8 groups of band isolation and the CAN bus of isolationInterface, Quaternary system system self-inspection MCU402 connects the CAN EBI of isolation, and this module is to whole systemSupplementing of numeral output (D-O) controlled quentity controlled variable of system, so that control panel can be built bulky complex system, betterDrive solid-state relay. Because this modular circuit is often larger, D-O controlled quentity controlled variable is taken out separately and formed oneIndividual module can be by the Power Groud of whole system and signal ground separately, thus reduce large electric current to whole system itsThe impact of its non-power part, has improved the stability of system works.
In concrete application example, main control module 1, signal acquisition module 2, power-balance module 3, powerModule 4 is provided with reset unit, indication panel, signal of telecommunication monitoring unit and serial number generator, resetsUnit will provide software reset and two kinds of reset modes of hardware reset, in the time that being out of order, system can reset in time,Indication panel will provide the cue of working state of system to user, signal of telecommunication monitoring unit will detect on shipWhether the AC220V signal of telecommunication or the DC300V signal of telecommunication that provide be abnormal, the electric power thus supplied of real-time feedback system,In the time of generation systems abnormal electrical power supply, user can take emergency operation in time, simultaneously also detects and to supply with this moduleSupply voltage. Serial number generator is by extracting main MCU chip internal 96 ID, and by itself and PCMachine code, temporal information and certain fixed code are in conjunction with generating a reversible sequence number, and this sequence number will beGlobally unique. In actual use, whether first can detect sequence number through authorizing, if do not pass throughAuthorize or authorize to exceed the pot life, whole submarine system will can not be worked.
In concrete Application Example, communication module 6 adopts coaxial communication module or fiber optic communication module. WithAxle communication module and main control module 1 use the mode of Ethernet to carry out the mutual of data, pass through modemNetwork signal is converted to the signal of telecommunication, by the mode of high-voltage carrier, signal is transmitted together with high pressure 300V,Complete waterborne with under water communicate by letter and electric energy provides. But due to the coaxially restriction of the bandwidth of cable, therefore cannot transmitHigh definition screen signal. High definition screen signal integrity under water can be transferred to clamping plate waterborne in order solving, can to adoptFiber optic communication module. Fiber optic communication inside modules comprise 4 tunnel high definition SDI interfaces, high definition under water can be taken the photographThe HD video information high-fidelity that camera is taken by the optical fibre transmission train wheel bridge that feeds water, thereby meet user's needWant the high definition demand of monitoring in real time.
In concrete Application Example, rectification module 7 comprises senior bridge rectifier chip, for completing interchangeElectricity is to galvanic conversion, and rectification module 7 connects power management module 5,220V single-phase alternating current can be turnedBe changed to the required 300V DC input voitage of power management module 5, provide stable VD andBe less than the ripple of 20mV, can, effectively for late-class circuit provides stable voltage power supply environment, improve ADCThe sampling precision of (analog signal is converted to the converter of data signal) data.
Embodiment 2
On the basis of embodiment 1, the embodiment of the present invention possess the general of HD video transmission channel under waterPLC device further comprises support 801, and support comprises upper cover and lower cover, between upper cover and lower cover, is connected withSide plate, is provided with some circuit board guide-track grooves on side plate, described circuit module is installed on circuit board guide-track groove.Support entirety is cylindrical, and support comprises upper cover and lower cover, between upper cover and lower cover, is screwed and is connected withSide plate, is provided with circular groove on side plate, circuit board guide-track groove 802 is installed on groove, and circuit board is ledRail groove is for mounting circuit module, and circuit board guide-track groove two ends are connected with terminal plate 803, on terminal plate, arrangeBe useful on the connector being connected with circuit module. When with possessing the general of HD video transmission channel under waterThe circuit module of PLC is installed into after circuit board guide-track groove 802, and circuit module and connector are realized from being dynamically connected,Between circuit module and terminal plate 803, realize circuit and connect, the electric wire stretching out in terminal plate 803 is followed under waterWatertight connector that instrument and equipment covers connects, and realizes thus circuit and support thereof under water in instrument and equipmentInstall. On support, be also provided with the state display screen for display circuit module duty, state indicator panelCan in the time of debug circuit module, pass through the duty of indicator lamp display circuit module. Dismounting circuit module props upWhen frame, first disconnect support and connect with the circuit of underwater instrument equipment watertight connector, then take out support, logicalWhat the plug of oversampling circuit plate was easy for installation carries out system amendment. The each circuit module of the utility model embodiment hasSame mechanical erection size, each module all adopts the interface mode of plug, facilitates the replacing of module, largeImprove greatly the efficiency of work. Make in the body of whole cabin by pressure-resistant cabin body support frame under the module-type water of above settingThe cabling of portion's circuit all concentrates on support back, has avoided chaotic cabling circuit to be installed and systematic functionImpact.
The utility model embodiment by above setting possesses the general of HD video transmission channel under waterWhen PLC device busy, by the circuit module of general PLC under water with possessing HD video transmission channelBe installed in the circuit board guide-track groove on support, circuit module is connected with terminal plate by connector, according to shapeIndicator lamp information debug circuit module on state display screen is that circuit module can normally be worked, and support is put intoIn underwater instrument equipment cavity, the electric wire stretching out in terminal plate is with the watertight connector in underwater instrument device coverConnect, the general PLC under water that possesses HD video transmission channel starts working, and supply voltage is by rectification mouldPiece 7 rectifications, the 300V DC voltage of stable output is to power management module 5, and power management module 5 will300V high pressure converts 24V power delivery to main control module 1, signal acquisition module 2, power model 4 andPower-balance module 3 converts 300V high pressure to 5V power delivery to communication module 6 simultaneously, detects eachWhether module serial number is through authorizing, if through authorizing, start working, if not through authorizing or awardingPower exceedes the pot life and whole system will can not be worked. After normal work, power-balance module 3 is real-timeThe electric weight of monitoring underwater battery is given in time battery by power supply waterborne in the time that electric weight deficiency has a power failure even suddenlyCharging, signal acquisition module 2 gathers underwater instrument equipment in working order by various external sensors are setThe state of lower parameters and by data information transfer to main control module 1, communication module 6 is provided with high definition and looksFrequently transmission channel, can be by the high-definition video signal complete transmission of underwater instrument equipment to host computer, main control module1 receives and stores the feedback data of the each time point of each module, can be by the poster processing soft pair after end-of-jobData are resolved, according to workflow and the demonstration inspection under water of the restoring system such as time point, data contentThe performance graph of measuring, offers user's system real work intuitively flow process, so that system works problemFind to solve.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model,All any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., all shouldWithin being included in protection domain of the present utility model.
Claims (10)
1. a general PLC device under water that possesses HD video transmission channel, is characterized in that, comprising:
One main control module, for whole detection and the control of PLC;
One power management module, for providing required power supply to whole system;
One signal acquisition module, comprises that high precision analogue change-over circuit, D/A converting circuit and digital quantity detectMouth composition, is connected with main control module, for the collection of underwater signal data;
One power-balance module, for detection of the electric power situation of whole system, prevents the excessive damage of powerPower supply and necessary power output is provided;
One power model, is connected with main control module, for complete external magnetic valve unlatching, close motorControl and fault detect;
One communication module, is provided with HD video transmission channel, is connected with main control module;
One rectification module, for completing alternating current to galvanic conversion;
Described main control module passes through mode and described signal acquisition module, the power model of CAN bus and leads toLetter module connects the transmission of settling signal;
Described main control module, power management module, signal acquisition module, power-balance module, power model,Communication module, rectification module and main control module are packaged into the circuit module of same mechanical erection size.
2. the general PLC device under water that possesses HD video transmission channel according to claim 1,It is characterized in that, further comprise that support, support comprise upper cover and lower cover, connect between described upper cover and lower coverBe connected to side plate, on described side plate, be provided with some circuit board guide-track grooves, on described circuit board guide-track groove, institute is installedState circuit module.
3. the general PLC device under water that possesses HD video transmission channel according to claim 1,It is characterized in that, described circuit module front end is provided with state indicator panel, and end is provided with for electric wire and connectsThe first connector, also comprise terminal plate, on described terminal plate, be provided with match with the first connectorTwo connectors.
4. the general PLC device under water that possesses HD video transmission channel as claimed in claim 1, itsBe characterised in that, described main control module comprises the first main MCU, and described the first main MCU is connected with the first systemSelf-inspection MCU, black box and external clock, the CAN that described the first main MCU is connected with isolation communicates by letter totalThe RS232/485 serial ports of line interface, isolation and the network communication interface LAN of isolation, described the first systemSelf-inspection MCU connects the CAN EBI of isolation.
5. the general PLC device under water that possesses HD video transmission channel as claimed in claim 1, itsBe characterised in that, described signal acquisition module comprises the second main MCU, and described the second main MCU connects second and isSystem self-inspection MCU, high-precision adc and sensor electrical source control circuit, described the second main MCU also connectsCAN EBI, DAC and the D-IN interface of isolation, described second system self-inspection MCU connects isolationCAN EBI.
6. the general PLC device under water that possesses HD video transmission channel as claimed in claim 1, itsBe characterised in that, described power-balance module comprises the 3rd main MCU, and described the 3rd main MCU is connected with the 3rdSystem self-test MCU, electric current and voltage Acquisition Circuit, be connected with the CAN of isolation on described the 3rd main MCUCommunication bus interface, power input interface and power stage interface, described the 3rd System self-test MCU connectsThe CAN EBI of isolation.
7. the general PLC device under water that possesses HD video transmission channel as claimed in claim 1, itsBe characterised in that, described power model comprises the 4th main MCU, and described the 4th main MCU is connected with Quaternary system systemThe solid-state relay of self-inspection MCU, 8 groups of band isolation and the CAN EBI of isolation, described Quaternary system systemSelf-inspection MCU connects the CAN EBI of isolation.
8. the general PLC under water that possesses HD video transmission channel as described in as arbitrary in claim 1 to 6Device, is characterized in that described main control module, signal acquisition module, power-balance module and power modelBe provided with reset unit, indication panel, signal of telecommunication monitoring unit and serial number generator, described reset listUnit provides software reset and two kinds of reset modes of hardware reset, in the time that system is out of order, can reset in time; InstituteStating indication panel provides the cue of working state of system to user; Described signal of telecommunication monitoring unit will detectWhether the AC220V signal of telecommunication Provided on Board or the DC300V signal of telecommunication be abnormal, the power supply of real-time feedback systemSituation, in the time of generation systems abnormal electrical power supply, user can take emergency operation in time, also detects and supplies with this simultaneouslyThe supply voltage of module; Described serial number generator passes through to extract 96 ID of main MCU chip internal, andIt is combined with machine code, temporal information and certain fixed code of PC and generates a reversible sequence number.
9. the general PLC under water that possesses HD video transmission channel as described in as arbitrary in claim 1 to 6Device, is characterized in that, described power management module comprises isolating switch power.
10. the general PLC under water that possesses HD video transmission channel as described in as arbitrary in claim 1 to 6Device, is characterized in that, described communication module adopts coaxial communication module or fiber optic communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521115937.XU CN205265823U (en) | 2015-12-29 | 2015-12-29 | General PLC device under water that possesses high definition video transmission path |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521115937.XU CN205265823U (en) | 2015-12-29 | 2015-12-29 | General PLC device under water that possesses high definition video transmission path |
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| CN205265823U true CN205265823U (en) | 2016-05-25 |
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| CN201521115937.XU Expired - Fee Related CN205265823U (en) | 2015-12-29 | 2015-12-29 | General PLC device under water that possesses high definition video transmission path |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472292A (en) * | 2015-12-29 | 2016-04-06 | 杭州墨锐机电科技有限公司 | Underwater universal PLC device with high-definition video transmission channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472292A (en) * | 2015-12-29 | 2016-04-06 | 杭州墨锐机电科技有限公司 | Underwater universal PLC device with high-definition video transmission channel |
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Granted publication date: 20160525 Termination date: 20191229 |