CN101800443A - Electric power on-site monitoring equipment - Google Patents

Electric power on-site monitoring equipment Download PDF

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Publication number
CN101800443A
CN101800443A CN 201010144470 CN201010144470A CN101800443A CN 101800443 A CN101800443 A CN 101800443A CN 201010144470 CN201010144470 CN 201010144470 CN 201010144470 A CN201010144470 A CN 201010144470A CN 101800443 A CN101800443 A CN 101800443A
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module
communication
power
electric power
remote
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CN 201010144470
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CN101800443B (en
Inventor
胡学华
吴仁德
李存义
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Beijing Nankai Automation System Engineering Co Ltd
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Beijing Nankai Automation System Engineering Co Ltd
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Publication of CN101800443B publication Critical patent/CN101800443B/en
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Abstract

The invention relates to electric power on-site monitoring equipment which adopts a pluggable distributed structure. The electric power on-site monitoring equipment comprises one or more chassises and chassis backboard circuit board(s) and communication connectors among the chassises, wherein each chassis comprises a communication processing board based on an ARM (Advanced RISC Machine) processor, one or more analog quantity processing boards based on a DSP ( Digital Signal Processor), one or more state quantity and switching quantity processing boards based on the DSP, one or more interface boards matched with the current signal or the voltage signal conversion and isolation of the analog quantity processing board, one or more interface boards matched with the isolation state and the switching of the state quantity and switching quantity processing board(s) and a power panel which supplies power for the chassis equipment and can charge and discharge storage batteries. According to the electric power on-site monitoring equipment, the requirements on railway construction in China are sufficiently satisfied; multi-CPU (Central Processing Unit) distributed computation and high-density acquisition satisfy the demands of the on-site capacity; the electric power on-site monitoring equipment has a fault recording function and effectively distinguishes fault properties; and multi-stage isolation access satisfies the requirements on the on-site strong electromagnetic field environment and is safe and reliable.

Description

Electric power on-site monitoring equipment
Technical field
The present invention relates to the power monitoring field, be particularly related to a kind of electric power on-site monitoring equipment, described electric power on-site monitoring equipment possesses the parameters of electric power high precision collecting and record ripple, power equipment are reliably controlled, standard ethernet communication and functions such as route, remote maintenance and renewal, equipment plate plug and play.
Background technology
Policy that country increases domestic demand needs and the needs of national passenger traffic speed rail development in order to respond, need be to railway power equipment in the along the line and train station carry out remote monitoring and local automation is controlled.In traditional technology, normally at the equipment that an electric power signal monitoring is installed on the spot, and this equipment possesses communication function.Yet RTU (remote-terminal unit) equipment in the existing product both domestic and external now can not or can not well be supported the needs of railway construction in China.In these equipment, the huge installation of the equipment volume that has is inconvenient; The equipment dependability that has is low, and precision is not enough, does not have the failure wave-recording function, accurately failure judgement character; The place capacity deficiency that has can not satisfy the railway demand; The equipment that has can not insert the equipment of on-the-spot electronic instrument and so on etc.Thereby, a kind of electric power on-site monitoring equipment that satisfies the railway construction in China needs of current urgent need.
Summary of the invention
For solving existing problem and other technologies problem in the background technology, designed the present invention.
The invention provides a kind of electric power on-site monitoring equipment, it adopts and can plug distributed frame, and described electric power on-site monitoring equipment comprises: one or more cabinets and cabinet backplane circuit board, and communication connector between cabinet; And each cabinet comprises: the communication disposable plates based on arm processor, one or more analog quantity disposable plates based on DSP, one or more quantity of state and switching value disposable plates based on DSP, the current signal of one or more cooperation analog quantity disposable plates or voltage signal conversion and the interface board of isolating, the interface board of one or more mated condition amounts and switching value disposable plates isolation and switch, one give the cabinet power devices can be the power panel of accumulator cell charging and discharging; Described communication disposable plates, analog quantity disposable plates and quantity of state switching value disposable plates all are respectively the intelligent plates that contains a CPU processor, wherein said communication disposable plates is connected with other intelligent plates by communication connector between cabinet back plane circuitry and cabinet, so that collaborative work between a plurality of CPU, described analog quantity disposable plates and/or the power state gathered by cabinet back plane circuitry monitoring described interface board nearby of quantity of state and switching value disposable plates based on DSP.
Optionally, described cabinet and cabinet backplane circuit board are supporting use, can be according to on-the-spot needs customization overall dimension.
Optionally, described electric power on-site monitoring equipment cabinet inside circuit adopts modularized design, and each module independently becomes a functional unit, and cabinet provides module interface, and each module is connected into a system.
Optionally, the module of described electric power on-site monitoring equipment cabinet inside comprises: communication primary module, electric current and voltage acquisition module, the remote measurement processing module, remote signalling acquisition module, remote signalling remote control processing module, remote control output module and power module, described each module is arranged on each related circuit plate.
Optionally, described communication primary module is responsible for the communication between described electric power on-site monitoring equipment and main website and other equipment, with the processing of the transfer of data and the described electric power on-site monitoring equipment built-in system data of dsp chip, this communication primary module disposes multiple communication interface; Described electric current and voltage acquisition module is responsible for the collection of field engineering data; Described remote measurement processing module includes a DSP central processing unit chip and two A/D conversion chips, this module is used to handle the telemetry of collection, with the Telemetering Data Processing computing of being gathered, obtain phase/line current, phase/line voltage, active power, reactive power, phase sequence, phase angle; Described remote signalling acquisition module is responsible for the supervision of quantity of state; Described remote signalling remote control processing module includes a DSP central processing unit chip, and this remote signalling remote control module is used to handle the input of remote signal module and the output of control remote control module; Described remote control output module is carried out the straighforward operation order that main website issues, the branch of remote control switch with close; Described power module is an electric supply installation.
Optionally, described electric current and voltage acquisition module is gathered 12 or 24 road alternating voltages, 12 or 24 road alternating currents, and 4 road direct current measurements, when gathering ac electric, this module will be gathered by the instrument transformer isolation method and be nursed one's health transfer of data and carry out the inter-process computing to the A/D module of DSP; Described remote signalling acquisition module has 32 tunnel remote signalling binding posts, thereby realizes the function for monitoring of 32 quantity of states; Described remote control output module is realized 16 tunnel remote controls output; Described power module be input as AC/DC 220V or 110V, be output as DC27V.
Optionally, described communication primary module disposes 2 CAN fieldbus mouths, 3 RS232 communication serial ports and 3 RS485 communication serial ports, 2 10/100M Ethernet RJ45 network interfaces, and dispose the communications status lamp that is used for communication state displaying respectively corresponding to described CAN fieldbus mouth, RS232 communication serial ports and RS485 communication serial ports; Described electric current and voltage acquisition module includes to exchange gathers inlet wire outlet, current terminal, voltage terminal, direct current collection terminal, direct current common terminal; Described remote measurement processing module two CAN BUS field-bus interfaces of configuration and two 232/485 serial communication interfaces, and corresponding to each interface configuration corresponding communication status lamp; Described remote signalling acquisition module has direct current 24V lead-out terminal, its output direct current 24V voltage, as inner remote signalling bus, the direct current 24V lead-out terminal of the direct current 24V lead-out terminal of each remote signal module and other remote signal modules is separate, and described remote signalling acquisition module comprises 32 tunnel remote signalling binding posts, remote signalling bus terminal and direct current 24V lead-out terminal; Described remote signalling remote control processing module disposes two CAN BUS field-bus interfaces, two 232/485 serial communication interfaces, and disposes running status lamp, communications status lamp and corresponding to the communications status lamp of described each interface of remote signalling remote control processing module; The lead-out terminal of described remote control output module independently uses, or form close/separating brake is to using, described remote control output module comprises remote control inlet wire outlet terminal, 16 tunnel remote control lead-out terminals and 24V dc output end.
Optionally, described power module adopts AC power/storage battery power supply mode, this module realizes former secondary isolation, have charge function, can be to charge in batteries, battery is continual to the device power supply when AC dump, has defencive function in addition to storage battery, when device normally moved, power module can charge to storage battery when interchange has electricity, was the power supply of this device simultaneously; When exchanging dead electricity, storage battery is powered to power module, zero switching time, power module is normally moved; When battery discharging when closing breakpoint, power module cuts off the output of storage battery, thus outage; When interchange re-powered, power module repeated to be charge in batteries; Described power module comprises alternating current-direct current 220V input terminal, dead electricity alarm terminal, battery discharging alarm terminal, direct current 24V lead-out terminal and battery terminal.
Optionally, the quantity of described electric current and voltage terminal that acquisition module comprises can be provided with as required.
Optionally, described electric power on-site monitoring equipment carries out Technical Architecture by following four layers: ground floor is a physical layer, comprises various physical hardware interfaces, mainly inserts and nurse one's health external signal; The second layer is the acquisition process layer, mainly is that the collection driving and the communication interface of each physical interface drives, and handles through this layer, and measure and control device obtains the digitalized data of external physical signal; The 3rd layer is the core business layer, mainly manages to the image data respective handling and with database, and the communication process of each communication interface is controlled, and collection and control task are dispatched; The 4th layer is the integrated service layer, and the applied environment that is primarily aimed at measure and control device carries out corresponding data map and graphical display, the feasible data fit demands of applications that finally shows and provide; Provide a distant place and locality to carry out the system management of measure and control device simultaneously.According to electric power on-site monitoring equipment of the present invention, fully satisfied the needs of railway construction in China, and had these characteristics: modular arrangements, according to field demand configuration plate; Rack is installed, and various sizes have, and satisfy on-the-spot various situation; Many CPU Distributed Calculation satisfies monitoring effective demand; Multichannel, high-density acquisition satisfies on-the-spot capacity requirement; Possess the failure wave-recording function, effectively screen nature of trouble; Multi-stage isolation inserts, and satisfies on-the-spot strong-electromagnetic field environment needs, and is safe and reliable.
Description of drawings
Fig. 1 is according to electric power on-site monitoring equipment cabinet of the present invention front composition diagram;
Fig. 2 is the communication primary module panel figure according to electric power on-site monitoring equipment of the present invention;
Fig. 3 is the electric current and voltage acquisition module panel figure according to electric power on-site monitoring equipment of the present invention;
Fig. 4 is the remote measurement processing module panel figure according to electric power on-site monitoring equipment of the present invention;
Fig. 5 is the remote signalling acquisition module panel figure according to electric power on-site monitoring equipment of the present invention;
Fig. 6 is the remote signalling remote control processing module panel figure according to electric power on-site monitoring equipment of the present invention;
Fig. 7 is the remote control output module panel figure according to electric power on-site monitoring equipment of the present invention;
Fig. 8 is the power module panel figure according to electric power on-site monitoring equipment of the present invention;
Fig. 9 is the Technical Architecture hierarchy chart according to electric power on-site monitoring equipment of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
A kind of electric power on-site monitoring equipment provided by the present invention has adopted to plug distributed frame, and inner plate is configurable.Described electric power on-site monitoring equipment comprises: cabinet and cabinet backplane circuit board, and communication connector between cabinet, and each cabinet comprises: the communication disposable plates based on arm processor; One or more analog quantity disposable plates based on DSP; One or more quantity of state and switching value disposable plates based on DSP; The current signal of one or more cooperation analog quantity disposable plates or voltage signal conversion and the interface board of isolating; The interface board of one or more mated condition amounts and switching value disposable plates isolation and switch; One give the cabinet power devices can be the power panel of accumulator cell charging and discharging.Described cabinet and cabinet backplane circuit board are supporting use, can be according to on-the-spot needs customization overall dimension, and described communication disposable plates, analog quantity disposable plates and quantity of state switching value disposable plates all are the intelligent plates that contains a CPU processor.Wherein said communication disposable plates is connected with other intelligent plates by communication connector between described cabinet back plane circuitry and cabinet, reaches the purpose of collaborative work between many CPU.Described analog quantity disposable plates and/or the power state gathered by cabinet back plane circuitry monitoring described interface board nearby of quantity of state and switching value disposable plates based on DSP.
For making characteristics of the present invention and advantage more obvious, below the module of electric power on-site monitoring equipment involved in the present invention is described in detail.
Electric power on-site monitoring equipment involved in the present invention adopts modularized design, and each module independently becomes a functional unit, and cabinet provides module interface, and each module is connected into a system.In this embodiment, the functional module of standard has 7 kinds, as shown in Figure 1, they by the figure order are respectively from left to right: communication primary module, electric current and voltage acquisition module, remote measurement processing module, the remote signalling acquisition module, remote signalling remote control processing module, remote control output module and power module.
For above each module, will be described in detail in conjunction with Fig. 2-8.
Described communication primary module is responsible for the communication between described electric power on-site monitoring equipment and main website and other equipment as shown in Figure 2, with the processing of the transfer of data and the described electric power on-site monitoring equipment built-in system data of dsp chip.This communication primary module disposes multiple communication interface, and 2 CAN fieldbus mouths are wherein arranged, 3 RS232 communication serial ports and 3 RS485 communication serial ports.Other is furnished with 2 10/100M Ethernet RJ45 network interfaces.And dispose the communications status lamp that is used for communication state displaying respectively corresponding to described CAN fieldbus mouth, RS232 communication serial ports and RS485 communication serial ports.
Described electric current and voltage acquisition module as shown in Figure 3, be responsible for the collection of field engineering data, it is remote measurement, this module can be gathered 12 road alternating voltages, 12 road alternating currents (or 24 road alternating voltages/24 road alternating currents) and 4 road direct current measurements (voltage or electric current), when gathering ac electric, this module will be gathered the conditioning transfer of data by the instrument transformer isolation method and be carried out the inter-process computing to the A/D module of DSP.Described electric current and voltage acquisition module includes to exchange gathers inlet wire outlet, current terminal, voltage terminal, direct current collection terminal, direct current common terminal, and the quantity of these terminals can be provided with as required.
Described remote measurement processing module as shown in Figure 4, include a DSP central processing unit chip and two A/D conversion chips, this module is used to handle the telemetry of collection, with the telemetry of being gathered processing computing, obtain phase/line current, phase/line voltage, active power, reactive power, phase sequence, phase angle and other parameters etc. through internal processes.Described remote measurement processing module two CAN BUS field-bus interfaces of configuration and two 232/485 serial communication interfaces, and corresponding to each interface configuration corresponding communication status lamp.
Described remote signalling acquisition module is responsible for the supervision of quantity of state, for example the displacement of switch and state as shown in Figure 5.This module can realize the function for monitoring of 32 quantity of states.This module have a direct current 24V lead-out terminal, its output direct current 24V voltage is as inner remote signalling bus.The direct current 24V lead-out terminal of each remote signal module and " DI24V " of other remote signal modules are separate.Described remote signalling acquisition module comprises 32 tunnel remote signalling binding posts, remote signalling bus terminal and direct current 24V lead-out terminal.
Described remote signalling remote control processing module includes a DSP central processing unit chip as shown in Figure 6, and this module is used to handle the input of remote signal module and the output of control remote control module.Two CAN BUS field-bus interfaces of described remote signalling remote control processing module configuration, two 232/485 serial communication interfaces, and dispose running status lamp, communications status lamp and corresponding to the communications status lamp of described each interface of remote signalling remote control processing module.
Described remote control output module is carried out the straighforward operation order that main website issues as shown in Figure 7, the branch of remote control switch with close, this module can realize 16 tunnel remote controls output.The lead-out terminal of remote control module can independently use, also can form to close/separating brake is to using.Described remote control output module comprises remote control inlet wire outlet terminal, 16 tunnel remote control lead-out terminals and 24V dc output end.
Described power module is whole device power supply as shown in Figure 8, power module be input as AC/DC220V or 110V, be output as DC 27V.This device adopts AC power/storage battery power supply mode.This module realizes former secondary isolation, the isolation strength height, and antijamming capability is strong, has charge function, can be to charge in batteries, battery can be continual to the device power supply when AC dump, has the defencive function to storage battery in addition.When device normally moved, power module can charge to storage battery when interchange has electricity, was the power supply of this device simultaneously; When exchanging dead electricity, storage battery is powered to power module, zero switching time, makes the normal operation of this device.When battery discharging when closing breakpoint, power module cuts off the output of storage battery, the device outage.When interchange re-powered, power module repeated to be charge in batteries.Described power module comprises alternating current-direct current 220V input terminal, dead electricity alarm terminal, battery discharging alarm terminal, direct current 24V lead-out terminal and battery terminal.
On Technical Architecture, by four layer buildings and enforcement, as shown in Figure 9, described four layers are respectively according to electric power on-site monitoring equipment of the present invention:
Ground floor is a physical layer, comprises various physical hardware interfaces, mainly inserts and nurse one's health external signal;
The second layer is the acquisition process layer, mainly is that the collection driving and the communication interface of each physical interface drives, and handles through this layer, and measure and control device obtains the digitalized data of external physical signal;
The 3rd layer is the core business layer, mainly manages to the image data respective handling and with database, and the communication process of each communication interface is controlled, and collection and control task are dispatched;
The 4th layer is the integrated service layer, and the applied environment that is primarily aimed at measure and control device carries out corresponding data map and graphical display, the feasible data fit demands of applications that finally shows and provide; Provide a distant place and locality to carry out the system management of measure and control device simultaneously.
Described electric power on-site monitoring equipment can be finished complicated functions such as data acquisition, logic and process control by programming, selects suitable communication modes and agreement can realize remote measurement and control.In the mill, adopt the industrial quality standard, can adapt to the abominable unattended application mode of geographical environment, can be widely used in the industrial automation field.Modular practical application easy to assembly.
The Embedded operating system of the inner ARM of described electric power on-site monitoring equipment both can realize the communication between arm processor and the dsp chip, can realize the communication of remote terminal unit and main website again, and finish operational management work automatically.The controlled function of abundant practicalities such as real-time dongle timer and field data power down protection is provided simultaneously.The flow of task that described electric power on-site monitoring equipment is carried out depends on the program that downloads in arm processor and the dsp chip.
Equipment has a plurality of input/output interfaces, realizes being connected of described electric power on-site monitoring equipment and on-site signal.These input/output interfaces have multiple pattern meeting on the basis of industrial standard, satisfy multiple signal type.As: signals such as analog quantity, digital quantity, pulsed quantity.Can be used for signals such as measuring voltage, electric current.
Described electric power on-site monitoring equipment can be used under the environment of industrial standard power supply.Power module has multinomial safeguard measure, can select for use 220V/110V alterating and direct current, 24V DC power supply, storage battery mode to power.Under general condition, can form unattended operation work station or data forwarding station.
Described electric power on-site monitoring equipment has stable performance, complete function, flexible configuration, advantage such as easy for installation, can be in automation control area extensive uses such as railway, water conservancy, electric power.
More than use specific case principle of the present invention and execution mode are set forth, described only is preferred embodiment of the present invention, and its explanation just is used for helping to understand method of the present invention and core concept thereof, is not to be used to limit protection scope of the present invention.For one of ordinary skill in the art; according to thought of the present invention, the part that all can change in specific embodiments and applications, therefore; all any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all be included in protection scope of the present invention.

Claims (10)

1. electric power on-site monitoring equipment, employing can plug distributed frame, it is characterized in that:
Described electric power on-site monitoring equipment comprises: one or more cabinets and cabinet backplane circuit board, and communication connector between cabinet;
And each cabinet comprises: the communication disposable plates based on arm processor, one or more analog quantity disposable plates based on DSP, one or more quantity of state and switching value disposable plates based on DSP, the current signal of one or more cooperation analog quantity disposable plates or voltage signal conversion and the interface board of isolating, the interface board of one or more mated condition amounts and switching value disposable plates isolation and switch, one give the cabinet power devices can be the power panel of accumulator cell charging and discharging;
Described communication disposable plates, analog quantity disposable plates and quantity of state switching value disposable plates all are respectively the intelligent plates that contains a CPU processor, wherein said communication disposable plates is connected with other intelligent plates by communication connector between cabinet back plane circuitry and cabinet, so that collaborative work between a plurality of CPU, described analog quantity disposable plates and/or the power state gathered by cabinet back plane circuitry monitoring described interface board nearby of quantity of state and switching value disposable plates based on DSP.
2. electric power on-site monitoring equipment as claimed in claim 1 is characterized in that:
Described cabinet and cabinet backplane circuit board are supporting use, can be according to on-the-spot needs customization overall dimension.
3. electric power on-site monitoring equipment as claimed in claim 1 is characterized in that:
Described electric power on-site monitoring equipment cabinet inside circuit adopts modularized design, and each module independently becomes a functional unit, and cabinet provides module interface, and each module is connected into a system.
4. electric power on-site monitoring equipment as claimed in claim 3 is characterized in that:
The module of described electric power on-site monitoring equipment cabinet inside comprises: communication primary module, electric current and voltage acquisition module, remote measurement processing module, the remote signalling acquisition module, remote signalling remote control processing module, remote control output module and power module, described each module is arranged on each related circuit plate.
5. electric power on-site monitoring equipment as claimed in claim 3 is characterized in that:
Described communication primary module is responsible for the communication between described electric power on-site monitoring equipment and main website and other equipment, and with the processing of the transfer of data and the described electric power on-site monitoring equipment built-in system data of dsp chip, this communication primary module disposes multiple communication interface;
Described electric current and voltage acquisition module is responsible for the collection of field engineering data;
Described remote measurement processing module includes a DSP central processing unit chip and two A/D conversion chips, this module is used to handle the telemetry of collection, with the Telemetering Data Processing computing of being gathered, obtain phase/line current, phase/line voltage, active power, reactive power, phase sequence, phase angle;
Described remote signalling acquisition module is responsible for the supervision of quantity of state;
Described remote signalling remote control processing module includes a DSP central processing unit chip, and this remote signalling remote control module is used to handle the input of remote signal module and the output of control remote control module;
Described remote control output module is carried out the straighforward operation order that main website issues, the branch of remote control switch with close;
Described power module is an electric supply installation.
6. electric power on-site monitoring equipment as claimed in claim 5 is characterized in that:
Described electric current and voltage acquisition module is gathered 12 or 24 road alternating voltages, 12 or 24 road alternating currents, and 4 road direct current measurement, when gathering ac electric, this module will be gathered the conditioning transfer of data by the instrument transformer isolation method and be carried out the inter-process computing to the A/D module of DSP;
Described remote signalling acquisition module has 32 tunnel remote signalling binding posts, thereby realizes the function for monitoring of 32 quantity of states;
Described remote control output module is realized 16 tunnel remote controls output;
Described power module be input as AC/DC 220V or 110V, be output as DC 27V.
7. as claim 5 or 6 described electric power on-site monitoring equipments, it is characterized in that:
Described communication primary module disposes 2 CAN fieldbus mouths, 3 RS232 communication serial ports and 3 RS485 communication serial ports, 2 10/100M Ethernet RJ45 network interfaces, and dispose the communications status lamp that is used for communication state displaying respectively corresponding to described CAN fieldbus mouth, RS232 communication serial ports and RS485 communication serial ports;
Described electric current and voltage acquisition module includes to exchange gathers inlet wire outlet, current terminal, voltage terminal, direct current collection terminal, direct current common terminal;
Described remote measurement processing module two CAN BUS field-bus interfaces of configuration and two 232/485 serial communication interfaces, and corresponding to each interface configuration corresponding communication status lamp;
Described remote signalling acquisition module has direct current 24V lead-out terminal, its output direct current 24V voltage, as inner remote signalling bus, the direct current 24V lead-out terminal of the direct current 24V lead-out terminal of each remote signal module and other remote signal modules is separate, and described remote signalling acquisition module comprises 32 tunnel remote signalling binding posts, remote signalling bus terminal and direct current 24V lead-out terminal;
Described remote signalling remote control processing module disposes two CAN BUS field-bus interfaces, two 232/485 serial communication interfaces, and disposes running status lamp, communications status lamp and corresponding to the communications status lamp of described each interface of remote signalling remote control processing module;
The lead-out terminal of described remote control output module independently uses, or form close/separating brake is to using, described remote control output module comprises remote control inlet wire outlet terminal, 16 tunnel remote control lead-out terminals and 24V dc output end.
8. as claim 5 or 6 described electric power on-site monitoring equipments, it is characterized in that:
Described power module adopts AC power/storage battery power supply mode, this module realizes former secondary isolation, has charge function, can be to charge in batteries, battery is continual when AC dump has the defencive function to storage battery in addition to the device power supply, when device normally moves, power module can charge to storage battery when interchange has electricity, is the power supply of this device simultaneously; When exchanging dead electricity, storage battery is powered to power module, zero switching time, power module is normally moved; When battery discharging when closing breakpoint, power module cuts off the output of storage battery, thus outage; When interchange re-powered, power module repeated to be charge in batteries; Described power module comprises alternating current-direct current 220V input terminal, dead electricity alarm terminal, battery discharging alarm terminal, direct current 24V lead-out terminal and battery terminal.
9. electric power on-site monitoring equipment as claimed in claim 7 is characterized in that:
The quantity of described electric current and voltage terminal that acquisition module comprises can be provided with as required.
10. as each described electric power on-site monitoring equipment of claim 1-5, it is characterized in that:
Described electric power on-site monitoring equipment carries out Technical Architecture by following four layers:
Ground floor is a physical layer, comprises various physical hardware interfaces, mainly inserts and nurse one's health external signal;
The second layer is the acquisition process layer, mainly is that the collection driving and the communication interface of each physical interface drives, and handles through this layer, and measure and control device obtains the digitalized data of external physical signal;
The 3rd layer is the core business layer, mainly manages to the image data respective handling and with database, and the communication process of each communication interface is controlled, and collection and control task are dispatched;
The 4th layer is the integrated service layer, and the applied environment that is primarily aimed at measure and control device carries out corresponding data map and graphical display, the feasible data fit demands of applications that finally shows and provide; Provide a distant place and locality to carry out the system management of measure and control device simultaneously.
CN 201010144470 2010-04-12 2010-04-12 Electric power on-site monitoring equipment Expired - Fee Related CN101800443B (en)

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