CN102255388A - Distributed distribution network terminal device - Google Patents
Distributed distribution network terminal device Download PDFInfo
- Publication number
- CN102255388A CN102255388A CN2011101996853A CN201110199685A CN102255388A CN 102255388 A CN102255388 A CN 102255388A CN 2011101996853 A CN2011101996853 A CN 2011101996853A CN 201110199685 A CN201110199685 A CN 201110199685A CN 102255388 A CN102255388 A CN 102255388A
- Authority
- CN
- China
- Prior art keywords
- module
- main control
- distribution network
- network terminal
- terminal device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a distributed distribution network terminal device for monitoring distribution switch cabinets in real time. The distributed distribution network terminal device comprises a main control unit and at least one intelligent monitoring unit which is electrically connected with the main control unit, wherein the intelligent monitoring units are arranged in the corresponding distribution switch cabinets to be monitored; and the intelligent monitoring units and the main control unit communicate with each other through a controller area network (CAN) bus. By adoption of the technical scheme, the independent intelligent monitoring units are arranged in cabinet bodies of the distribution switch cabinets, and all intelligent monitoring units and one main control unit are connected and communicate with each other through the CAN bus, so the technical problems of limited access capacity, many access cables and large size caused by assembling all functional modules of a distribution terminal in a cabinet are effectively solved.
Description
?
Technical field
The invention belongs to for the distribution technique field, relate in particular to a kind of distributed distribution network terminal device.
Background technology
Realize in the existing distribution automation system that the distribution network terminal device that the panel switches cabinet is gathered in real time and monitored mainly is DTU, numerous panel switches are arranged in the panel switches cabinet, the DTU device is exactly to utilize a table apparatus to realize real-time data acquisition and control to all panel switches, and finishes the communication with distant place main website.The structure that it is the DTU device that Fig. 1 shows a kind of existing distribution network terminal, this distribution network terminal device mainly comprises 1 main processing block 11 and is attached thereto several acquisition modules 12 that connect, each acquisition module 12 comprises an analog quantity and switching value input isolation module 1201 and a digital sampling and processing 1202 that is connected with analog quantity and switching value input isolation module 1201 again, wherein analog quantity and switching value input isolation module 1201 occurs with digital sampling and processing 1202 pairings, finishing analog Input Insulation Based jointly amplifies, the AD conversion, gather computing, the light-coupled isolation of function such as fault detect and switching value input, state-detection, functions such as displacement processing can realize for every pair the remote measure and communication in 2～4 switch loops is handled.Main processing block 11 mainly finish to all Information Monitoring amounts gather and with the communication of main website, and finish distant control function.
The whole functional module of this distribution network terminal is all concentrated and is arranged on one and independently realizes in the cabinet, several problems below in the application of reality, existing, 1, device is owing to be subjected to the restriction of chassis space, acquisition module 12 quantity of multipotency assembling have corresponding restriction, and each acquisition module 12 treatable loop is also fixed.Therefore general distribution network terminal device can only insert 6～8 distribution loops at most; 2, because all information all need to enter in the distribution network terminal device, and therefore corresponding all signals, control cable all need to be incorporated in the device from primary equipment, under the many situations of feeder number, cable is more, great in constructing amount, the device internal wiring space that needs is big, causes apparatus structure to increase.3, because the module that inserts is many, and binding post and operated clamp and button are many, therefore general distribution network terminal device size space is all bigger, and device highly is difficult to accomplish in 1 meter.But the space is limited in the cabinet of some ring main unit own, and the distribution network terminal installing space of reservation has only about 1 meter high, causes and can't install.
Summary of the invention
The present invention be intended to solve distribution network terminal all functions module in the prior art all be assemblied in the cabinet and cause access capacity limited, insert the technical problem that cable is many, size is big, a kind of distributed distribution network terminal that effective dilatation, the minimizing of wiring number, size effectively reduce of carrying out is provided.
The invention provides a kind of distributed distribution network terminal device, be used for the panel switches cabinet is monitored in real time, comprise main control unit and at least one intelligent monitoring unit that is electrically connected with main control unit, described intelligent monitoring unit is installed in the corresponding panel switches cabinet that will monitor, carries out communication by the CAN bus between described intelligent monitoring unit and the described main control unit.
Preferably, described main control unit comprises backboard, and the power module that is connected with backboard, input isolation module, acquisition processing module, main control module and remote control module, described acquisition processing module is connected the row communication of going forward side by side with main control module by the CAN bus, described main control unit also comprises control module, control button and pressing plate on the spot, described control module on the spot and main control module carry out communication by the RS485 bus, and described control button and pressing plate are connected with remote control module with main control module respectively.
Preferably, described main control module comprises master controller and coupled expansion support plate, described expansion support plate has the expansion serial ports, is used for carrying out with intelligent control unit the CAN communication interface and the Ethernet interface of communication, and the CAN communication interface comprises CAN controller that is connected with the expansion support plate and the CAN transceiver that is connected with the CAN controller.
Preferably, described master controller adopts 32 embedded PowerPC chips, and described expansion support plate adopts uses the CPLD chip as the bus extended chip, and the PowerPC chip has built-in Linux operating system.
Preferably, described intelligent monitoring unit comprises housing and is arranged on housing interior main processing block, indicating module and electric current input module, described main processing block and described electric current input module are connected on the indicating module 2012 by splicing ear respectively, and the electric current input module carries out the signal transmission by indicating module and main processing block.
Preferably, described main processing block comprises controller and the remote control circuit, AD converter, optical coupling isolation circuit and the CAN bus transceiver that are connected with controller, and described remote control circuit comprises remote control prewired circuit, remote control executive circuit that is connected with controller and the remote control exit relay that is electrically connected respectively with remote control prewired circuit, remote control executive circuit.
Preferably, described indicating module also comprises the number-mark that is used to show intelligent monitoring unit, the charactron of the collection value of each phase current, device operation irregularity situation, and be used in reference to that showing device operation is normal, whether the divide-shut brake position of panel switches, indication circuit detect short trouble, indication intelligent monitoring unit normal communication indicator light, described charactron is connected with described main processing block 2012 respectively with indicator light.
Preferably, described controller adopts 32 ARM chip, and this chip possesses the DSP computations, supports floating-point operation.
Preferably, described power module is given described main control unit and intelligent monitoring unit power supply by backboard, described power module comprises AC/DC modular converter, power supply switching management module and DC/DC modular converter, and the power supply switching management module is connected with AC/DC modular converter, DC/DC modular converter respectively.
Preferably, described main control unit adopts Ethernet, serial ports or the GPRS main website corresponding with it to carry out communication.
The above technical scheme, by in panel switches cabinet cabinet, independently intelligent monitoring unit being set, used intelligent monitoring unit is connected with a main control unit and carries out communication by the CAN bus, efficiently solve distribution network terminal all functions module all is assemblied in the cabinet and cause access capacity limited, insert the technical problem that cable is many, size is big, increased the flexibility that the distribution network terminal installed capacity expands, and effectively reduced the wiring number and reduced laying and constructing of cable.
Description of drawings
Fig. 1 is that existing distribution network terminal apparatus module is formed schematic diagram.
Fig. 2 is the structure assembling schematic diagram of an embodiment of the present invention.
Fig. 3 is the structured flowchart of a kind of embodiment of main control unit of the present invention.
Fig. 4 is the structured flowchart of a kind of embodiment of main control module of the present invention.
Fig. 5 is the structured flowchart of a kind of embodiment of intelligent monitoring unit of the present invention.
Fig. 6 is the structured flowchart of a kind of embodiment of main processing block of the present invention.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 2, a kind of distributed distribution network terminal device, comprise with main website and carry out the main control unit 10 of communication and at least one intelligent monitoring unit 20 that is electrically connected with main control unit 10, described intelligent monitoring unit 20 is installed in the switch cubicle or ring main unit 30 that will monitor, carries out communication by the CAN bus between described intelligent monitoring unit 20 and the described main control unit 10.Each intelligent monitoring unit 20 is responsible for a corresponding panel switches cabinet 30 is monitored in real time, for example, realizes the monitoring function to the distribution automations such as telemetering of current, remote control, remote signalling and Fault Identification in a switch loop.When 20 pairs of described panel switches cabinets 30 of intelligent monitoring unit are monitored, because of intelligent monitoring unit 20 is installed in the panel switches cabinet 30, various signal cables do not need to draw the switch cabinet, do not take other spaces in the ring main unit yet, efficiently solve cable and lead in/out great in constructing amount that panel switches cabinet 30 is brought, the lead-in wire complicated problems.
Intelligent monitoring unit 20 carries out networking by CAN bus communication mode, carry out unified management by 10 pairs of intelligent monitoring units of a main control unit 20, compile the data and the forwarding of being gathered with comprehensive all intelligent monitoring units 20 and send control command from main website or this locality, main control unit can be finished the collection of some public information amounts such as busbar voltage, the interior humiture of cabinet in addition.
Particularly, as shown in Figure 3, preferably, described main control unit 10 comprises backboard 1011, and the power module 1012 that is connected with backboard 1011, input isolation module 1013, acquisition processing module 1014, main control module 1015 and remote control module 1017, described acquisition processing module 1014 is connected the row communication of going forward side by side with main control module 1015 by the CAN bus, described main control unit 10 also comprises control module 1016 and control button and pressing plate 1018 on the spot, described control module on the spot 1016 is carried out communication by the RS485 bus, and described control button and pressing plate 1018 are connected with remote control module 1017 with main control module 1015 respectively.
Described power module 1012 powers for each functional module by backboard 1011, and each functional module also can be carried out communication each other by backboard 1011.Further, power module 1012 can be whole distribution network terminal device working power is provided, and comprises main control unit 10 and intelligent monitoring unit 20 are powered, and the operating power of panel switches also can be provided simultaneously.Power module 1012 has comprised AC/DC modular converter, power supply switching management module and DC/DC modular converter etc.The power supply switching management module is connected with AC/DC modular converter, DC/DC modular converter respectively.The AC/DC module realizes AC power is converted to the function of DC power supply, described AC/DC module supports two-way to exchange input, can realize the standby each other of two-way AC power input by the power supply switching management module, under the normal condition, power by one tunnel AC power is actual, when this road power supply broke down, then automatic seamless switched to another road AC power and powers, and had guaranteed the reliability of device power supply.Power module 1012 also comprises an energy storage device that is connected with DC/DC modular converter power supply in support, this energy storage device is preferably battery pack, can finish management of charging and discharging by the power supply switching management module to this energy storage device, after the external ac power source dead electricity, then automatically switch to energy storage device and be its power supply, after AC power restores electricity, then transfer ac power supply automatically to.
When the energy storage device brownout or when breaking down, can carry out the energy storage device abnormality alarming, alarm signal can be used as that the remote signalling amount is gathered by main control module 1015 and on send main website, main website can learn the state of this energy storage device and take follow-up processing flow.The realization of DC/DC modular converter is powered to the distribution network terminal device after output is isolated once more to power supply, can effectively reduce the interference of external power source to the distribution network terminal device like this, in order to avoid influence the operate as normal of distribution network terminal device.Can realize energy storage device is powered by the DC/DC modular converter simultaneously, to guarantee that energy storage device is in full electricity condition constantly.
Described input isolation module 1013 is realized the input of bus alternating voltage is isolated, the bus ac voltage signal of input is converted to the light current pressure signal that 5V can supply to carry out the AD conversion, this module is also supported the d. c. voltage signal of outside input is isolated the input conversion, the d. c. voltage signal of outside input also becomes and can press signal for the light current that carries out the AD conversion through input isolation module 1013, these signals all are differential signal, introduce in the acquisition processing module 1014 by backboard 1011 buses and handle.This module mainly realizes the input of some public remote signals is isolated.
Described acquisition processing module 1014 main realizations are carried out AD conversion, collection and computing to the signal after the conversion of input isolation module, also finish simultaneously the input of the public remote signalling switching value in the panel switches cabinet 30 is isolated and collection.As cabinet door open and-shut mode etc.Data processing module 1041 adopts multichannel AD chip to realize public input analog amount data synchronization sampling in each road and conversion, sampled data after the conversion is carried out phasor effective value, frequency values and degree of unbalance value etc. calculate corresponding remote measurement value, and the out-of-limit judgement that takes remote measurement, can notify main control module 1015 and notify main website to carry out corresponding operating if described remote measurement value exceeds described limit value.Acquisition processing module 1014 can also judge whether power distribution network single phase ground fault takes place according to the residual voltage value of gathering.Acquisition processing module 1014 carries out signals collecting and monitoring to public remote signalling switching value simultaneously simultaneously, switching value input signal (position signalling and status signal) carries out state acquisition through after the light-coupled isolation, disappear and tremble processing, displacement is judged, when the displacement of the state of generation, generate the corresponding displacement incident that has temporal information, telemetry, remote signalling state and displacement event data, and these data are passed through the CAN bus transfer arrive main control module 1015, after main control module 1015 is further handled, send in the main station system.
Remote control module 1017 adopts the break-make of notching relay control realization to the public operation loop, as switch cubicle or ring main unit 30 cabinet door open and close controlling loops etc.When main control module 1015 receives the guidance command that main website sends, carry out classification and control corresponding relays output step by step, and can check relay circuit whether to move the anti-school of normal realization control signal.The relay that this remote control module 1017 is controlled comprises power control relay, presets relay and exit relay; when main control module 1015 is received guidance command; need at first control described remote control module 1017 control power supply relays and preset relay and move; only at power supply relay with preset relay and all could further realize control under the situation of correct operation to exit relay; this set and control mode are equivalent to triple protection is carried out in public remote control in the system, have guaranteed the functional reliability of remote control output loop.When for control authority on the spot, the power supply of control loop is cut off, main control module 1015 uncontrollable its power supply relays and preset the actuating of relay, also just can't carry out remote control, promptly to the control of exit relay, although this moment, main website can continue to send guidance command to main control module 1015, but because this moment, device was in control authority on the spot, therefore can not realize the Long-distance Control of main website to this distribution network terminal device, but under this authority, the operation that the local control switch on the cabinet can directly carry out exit relay realizes switch control functions on the spot.Preferably, the related personnel can be by being arranged on the operation that control button on the cabinet and pressing plate 1018 are realized exit relay.
In the above scheme,, can realize test, maintenance and maintenance, effectively reduce staff's workload distribution network terminal device scene by control authority on the spot is set.
Also be provided with temperature, humidity sensor in the control module 1016 on the spot, can measure temperature in the master control cabinet, humidity data and should temperature, humidity data sends main control module 1016 to, temperature, humidity data send master control mould 1016 back to and send main website as the remote measurement amount on together, and main website can carry out comprehensive adjustment to the temperature and humidity in the cabinet of distribution network terminal device according to the temperature, the humidity data information that receive.
In conjunction with shown in Figure 4, main control module 1015 is the nucleus module of whole distribution network terminal device, preferably include master controller 10151 and coupled expansion support plate 10152, described master controller preferably adopts 32 embedded PowerPC chips of high-performance, described expansion support plate adopts the CPLD chip as the bus extended chip, the PowerPC chip has built-in Linux operating system, this master controller 10151 carries out communication with expansion support plate 10152 by LocalBus, realized the expansion of external interface bus by expansion support plate 10152, comprise serial ports, CAN communication interface and IO mouth etc., expanded the Ethernet interface by the pci interface of PowerPC, make and comprise 2 gigabit network interfaces and 2 expansion 100-M network Ethernets by the Ethernet interface that to support 4 external communications at most.The PowerPC chip possesses jumbo internal memory, have powerful communication interface disposal ability and quick calculation process ability, finish compiling and analyzing to each module image data, promptly the data of each intelligent monitoring unit 20 transmission being carried out unified ordering handles, deposit statistics extreme value, power loop calculating etc. in proper order according to setting three distant periods.Also be provided with jumbo storage NandFlash chip in the described main control module 1015, can store at least 1 month history run of distribution network terminal device and monitor data.The CAN communication interface comprises CAN controller that is connected with expansion support plate 10152 and the CAN transceiver that is connected with the CAN controller, CAN bus interface and intelligent monitoring unit 20 and acquisition processing module 1014 carry out communication, finish down the dress parameter, the calling and the reception of radio clock message, transmitting control commands, the remote signalling data that take remote measurement receive remote signalling displacement incident and alarm events such as other are out-of-limit, fault.
By above scheme setting, it is compact more that the structure of main control unit cabinet can design, size is littler, can to be designed to mainframe box be standard 6U to the cabinet of main control unit 10 in the present embodiment, the cabinet height can be in 800mm, below cabinet, be provided with entrance hole, can adopt wall-hanging installation, be convenient to install under the narrow and small condition in indoor space.
As shown in Figure 5, intelligent monitoring unit 20 comprises housing and is arranged on housing interior main processing block 2011, indicating module 2012 and electric current input module 2013.Described main processing block 2011 is electrically connected with indicating module 2012 respectively with described electric current input module 2013, all be connected on the indicating module 2012 by splicing ear, electric current input module 2013 is finished the transmission of signal by indicating module 2012 and main processing block 2011.
Electric current input module 2013, be used for the switch cubicle of described monitoring or the three-phase current in the panel switches loop in the ring main unit 30 are isolated conversion, the secondary current of current transformer is converted to light current presses signal, the light current after the conversion is pressed signal, and 2013 switchings enter and carry out AD conversion and sampling in the main processing block 2011 through indicating module.Preferably, current transformer can adopt the current transformer that bears 20 times of specified conveyance capacities, realizes the high accuracy conversion to operate as normal and fault current.
Described indicating module 2012 is except the passage as the message transmission between electric current input module 2013 and the main processing block 2011, also mainly comprise charactron and indicator light, by the demonstration of charactron and indicator light, be used for convenient working condition of observing intelligent monitoring unit 20.Main processing block 2011 is directly controlled the demonstration of charactron and indicator light, and charactron is mainly used in the number-mark that shows intelligent monitoring unit, situations such as the collection value of each phase current, device operation irregularity, and these information show by the charactron Automatic Cycle.Indicator light comprises and is used in reference to the normal indicator light of the current operation of showing device that the divide-shut brake position indicator of panel switches is used in reference to the indicator light whether the timberline road detects short trouble, is used to indicate the indicator light of intelligent monitoring unit 20 normal communications.
In conjunction with shown in Figure 6, main processing block 2011 comprises controller 20111 and the remote control circuit, AD converter 20112, optical coupling isolation circuit 20113 and the CAN bus transceiver 20115 that are connected with controller 20111.Described remote control circuit comprises remote control prewired circuit 20116, remote control executive circuit 20117 that is connected with controller 20111 and the remote control exit relay 20118 that is electrically connected respectively with remote control prewired circuit 20116, remote control executive circuit 20117.
The described controller 20111 preferred ARM chips that adopt 32, this chip possesses the DSP computations, has powerful quick computing capability, supports floating-point operation.The three-phase current collection that described controller 20111 is realized distribution switch loop, the three-phase current information of being gathered are imported in the described controller 20111 after changing by AD converter 20112; Information after will isolating after the collection of remote signalling such as position of the switch state is isolated by optical coupling isolation circuit 20113 is imported in the described controller 20111, preferably, in order to improve the treatment effeciency of controller 20111, be provided with latch 20114 between described optical coupling isolation circuit 20113 and the described controller 20111.Functions such as described main processing block passes through the information of being gathered can be out-of-limit to electric current, fault judgement are analyzed.
At first carry out carrying out sampled value by cpu chip after the analog-to-digital conversion through the three-phase current of isolating input and read, carry out the calculating of phasor effective value, degree of unbalance calculating etc. through the AD converter 20112 of multi-channel synchronous conversion.Switching value input is sampled by cpu chip through optical coupling isolation circuit 20113 backs earlier, to the on off state of sampling carry out software disappear tremble, displacement judges, when the state displacement, generates the displacement event information of corresponding band time.The three-phase current of 20111 pairs of collections of main processing block carries out the out-of-limit judgement of electric current, line fault to be judged, when judging electric current when out-of-limit, generates the off-limit alarm incident, supports two-stage off-limit alarm, corresponds to 2 grades of 1 grade of the upper limit and the upper limits.When judging line fault, provide the separate alert event of corresponding fault.Telemetering of current data, remote signalling data, displacement and the alarm event data that main processing block is gathered given the main control module 1015 of main control unit by the CAN bus transfer.
Main processing block 2011 also has the remote control circuit to panel switches, the branch of control panel switches, the function that closing circuit is finished remote control.Adopted 2 grades of control modes to realize distant control function in the main processing block 2011 to the switch loop, the connection of control remote control prewired circuit 20116 after order is preset in the remote control that receives main control unit 10 transmissions, and whether the action situation of check remote control prewired circuit is correct, and will preset loopback main control unit 10 as a result, if failure is preset in remote control, then cancel this operation, all settings all reset.If preset success, if then in the time that is provided with, receive the remote control fill order, then connect corresponding remote control executive circuit 20117, relay to the remote control outlet is controlled, make the operation circuit that the actuating of relay, closed pair are answered, realize distant control function, if in the time that is provided with, do not receive the remote control fill order, then cancel this straighforward operation.
Pass through technique scheme, the shell structure of intelligent monitoring unit 20 can realize small and exquisite design, can to be set to the housing width be 96mm to the housing of intelligent monitoring unit 20 in the present embodiment, highly be 48mm, the degree of depth is 75mm, can be directly installed in the panel switches cabinet, charactron and indicator light are exposed in the perforate of housing front panel, are convenient to observe.Be provided with earth terminal on the housing, be used for housing firmly is connected with ground energy.
1014 of acquisition processing modules in main control unit 10 and intelligent monitoring unit 20 and the main control unit 10 adopt the CAN bus to carry out the networking communication, CAN bus communication mode has that wiring is simple, communication is reliable, and support many holotypes, can realize the timely transmission of data.Regard as be connected the CAN bus network communication node such as main control unit 10, intelligent cell 20, acquisition processing module 1014, the given unique sign ID of each communication node discerns, be used to distinguish the transmitting-receiving node of communication packet, formulated the application message protocol that is suitable for realizing each inter-node communication, comprise running parameter message, radio clock message, telemetry message, remote signalling data message, alarm event message, phasor data message and remote control message.Main control computer issues by the parameter of running parameter message with each monitoring unit module need of work, parameter comprises that mainly various out-of-limit definite value parameter informations, item produce information, numerical value conversion coefficient information etc., main control computer is periodically given each monitoring unit with clock broadcast, each monitoring unit receives the clock of clock post-equalization self, realizes each the module clock unanimity in the whole distribution network terminal device.The telemetry message is used for giving main control unit 10 with the remote signalling status information transmission for main control unit 10, remote signalling data message telemetry data transmission, the alarm event message be used for when band target state displacement information and not with the time target state displacement message transmission realize synchronous calculating for main control unit 10, phasor data message to each intelligent cell image data, and the analog acquisition transfer of data that will have a phase information is in the main control unit 10, and main control unit 10 can be realized expanded functions such as power calculation according to the phasor data.The remote control message is used for main control unit and presets and the remote control fill order intelligent monitoring unit 20 loopback remote control execution results to intelligent cell transmission remote control.
The attainable beneficial effect of distribution network terminal cell arrangement of the present invention is as follows:
1. adopt the technical program design, be applicable to the panel switches cabinet of various capacity scales, configuration and the corresponding intelligent monitoring unit number of feeder number just can satisfy the requirement of different application occasion.
2. be convenient to the expansion of capacity, when dilatation need be carried out in the scene, the intelligent monitoring unit that only needs to increase respective numbers just can be realized, does not need original device is carried out hardware or structural modification.
3. the signal cable of panel switches does not need to draw the panel switches cabinet, image data and control switch action are directly finished by the intelligent cell that is installed in the panel switches cabinet, cables such as current signal, remote signals, remote signal directly connect in switch cubicle, have reduced laying and constructing of cable.
4. the main control unit structure is relatively little, is convenient to the installation of small space in the cabinet, can be directly installed in the cabinet the hanging installation of supporting wall.Have high-protection level,, support outdoor installation for there not being space situations in the cabinet.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. distributed distribution network terminal device, be used for the panel switches cabinet is monitored in real time, it is characterized in that, comprise main control unit and at least one intelligent monitoring unit that is electrically connected with main control unit, described intelligent monitoring unit is installed in the corresponding ring main unit or switch cubicle that will monitor, carries out communication by the CAN bus between described intelligent monitoring unit and the described main control unit.
2. distributed distribution network terminal device according to claim 1, it is characterized in that, described main control unit comprises backboard, and the power module that is connected with backboard, input isolation module, acquisition processing module, main control module and remote control module, described acquisition processing module is connected the row communication of going forward side by side with main control module by the CAN bus, described main control unit also comprises control module, control button and pressing plate on the spot, described control module on the spot and main control module carry out communication by the RS485 bus, and described control button and pressing plate are connected with remote control module with main control module respectively.
3. distributed distribution network terminal device according to claim 2, it is characterized in that, described main control module comprises master controller and coupled expansion support plate, described expansion support plate has the expansion serial ports, is used for carrying out with intelligent control unit the CAN communication interface and the Ethernet interface of communication, and the CAN communication interface comprises CAN controller that is connected with the expansion support plate and the CAN transceiver that is connected with the CAN controller.
4. distributed distribution network terminal device according to claim 3, it is characterized in that, described master controller adopts 32 embedded PowerPC chips, and described expansion support plate adopts the CPLD chip as the bus extended chip, and the PowerPC chip has built-in Linux operating system.
5. distributed distribution network terminal device according to claim 1, it is characterized in that, described intelligent monitoring unit comprises housing and is arranged on housing interior main processing block, indicating module and electric current input module, described main processing block and described electric current input module are connected on the indicating module by splicing ear respectively, and the electric current input module carries out the signal transmission by indicating module and main processing block.
6. distributed distribution network terminal device according to claim 5, it is characterized in that, described main processing block comprises controller and the remote control circuit, AD converter, optical coupling isolation circuit and the CAN bus transceiver that are connected with controller, and described remote control circuit comprises remote control prewired circuit, remote control executive circuit that is connected with controller and the remote control exit relay that is electrically connected respectively with remote control prewired circuit, remote control executive circuit.
7. distributed distribution network terminal device according to claim 5, it is characterized in that, described indicating module also comprises the number-mark that is used to show intelligent monitoring unit, the charactron of the collection value of each phase current, device operation irregularity situation, and be used in reference to that showing device operation is normal, indicator light that whether the divide-shut brake position of panel switches, indication circuit detect short trouble, indication intelligent monitoring unit normal communication, described charactron is connected with described main processing block respectively with indicator light.
8. distributed distribution network terminal device according to claim 6 is characterized in that, described controller adopts 32 ARM chip, and this chip possesses the DSP computations, supports floating-point operation.
9. distributed distribution network terminal device according to claim 2, it is characterized in that, described power module comprises AC/DC modular converter, power supply switching management module and DC/DC modular converter, and the power supply switching management module is connected with AC/DC modular converter, DC/DC modular converter respectively.
10. according to any described distributed distribution network terminal device of claim 1-9, it is characterized in that described main control unit adopts Ethernet, serial ports or the GPRS main website corresponding with it to carry out communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110199685 CN102255388B (en) | 2011-07-18 | 2011-07-18 | Distributed distribution network terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110199685 CN102255388B (en) | 2011-07-18 | 2011-07-18 | Distributed distribution network terminal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102255388A true CN102255388A (en) | 2011-11-23 |
| CN102255388B CN102255388B (en) | 2013-12-18 |
Family
ID=44982430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110199685 Expired - Fee Related CN102255388B (en) | 2011-07-18 | 2011-07-18 | Distributed distribution network terminal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102255388B (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497031A (en) * | 2011-12-28 | 2012-06-13 | 国网信息通信有限公司 | Measurement and control terminal |
| CN102570341A (en) * | 2012-02-09 | 2012-07-11 | 华为技术有限公司 | Monitoring system of distribution cabinet |
| CN102736595A (en) * | 2012-06-06 | 2012-10-17 | 中国电力科学研究院 | Unified platform of intelligent power distribution terminal based on 32 bit microprocessor and real time operating system (RTOS) |
| CN102946149A (en) * | 2012-12-06 | 2013-02-27 | 广州南方电力集团科技发展有限公司 | Automatic monitoring terminal for distributed distribution network |
| CN103151835A (en) * | 2013-02-07 | 2013-06-12 | 航天科工深圳（集团）有限公司 | Sampling synchronization method and device of distributed DTU (Distribution Terminal Unit) |
| CN103545920A (en) * | 2013-09-24 | 2014-01-29 | 池州市华强高低压电器成套设备有限公司 | Protecting and controlling method for power distribution box |
| CN103713602A (en) * | 2013-12-25 | 2014-04-09 | 航天科工深圳（集团）有限公司 | Remote control two-channel control system |
| CN103795145A (en) * | 2014-01-21 | 2014-05-14 | 南宁市三华太阳能科技有限公司 | Distributed power supply node real-time monitoring and analyzing system device and analyzing method |
| CN103855714A (en) * | 2014-03-31 | 2014-06-11 | 国网上海市电力公司 | Integrated automatic substation system |
| CN103995210A (en) * | 2014-04-15 | 2014-08-20 | 刘骐畅 | Monitoring system and method suitable for underground cable distribution system |
| CN104935078A (en) * | 2015-05-26 | 2015-09-23 | 航天科工深圳（集团）有限公司 | Control method and control device for fault indicator in distribution network |
| CN105446224A (en) * | 2015-12-22 | 2016-03-30 | 北京合康亿盛变频科技股份有限公司 | Distributed control system of high-voltage inverters |
| CN105549450A (en) * | 2014-10-29 | 2016-05-04 | 北京航天万源科技公司 | Carrier rocket measurement distribution control system based on 1553B bus communication |
| CN105929223A (en) * | 2016-04-07 | 2016-09-07 | 华电电力科学研究院 | Measurement system enabling centralized acquisition and distributed display and measurement method |
| CN105958452A (en) * | 2016-06-30 | 2016-09-21 | 深圳市科陆电子科技股份有限公司 | Power grid distributed network protection method and protection device and system |
| CN108363336A (en) * | 2018-04-27 | 2018-08-03 | 合肥博鳌电气科技有限公司 | A kind of remote control and the intelligent switching device locally controlled |
| CN108900340A (en) * | 2018-07-03 | 2018-11-27 | 北京睿至大数据有限公司 | IT O&M Automatic monitoring systems |
| CN108958140A (en) * | 2018-10-15 | 2018-12-07 | 杭州电力设备制造有限公司 | A kind of ring network cabinet DTU |
| CN109525471A (en) * | 2018-09-17 | 2019-03-26 | 交控科技股份有限公司 | Module is adopted in a kind of compatible network and the IO of CAN communication drive |
| CN109917729A (en) * | 2019-04-26 | 2019-06-21 | 常州轻工职业技术学院 | A kind of modularization locker control module based on bus |
| CN114583834A (en) * | 2022-02-25 | 2022-06-03 | 厦门市智联信通物联网科技有限公司 | Distributed multifunctional power distribution cabinet assembly adapter device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080010549A1 (en) * | 2006-05-30 | 2008-01-10 | Aaron Coolidge | Remote Electrical Device Switching Control, and Status Monitoring and Reporting System |
| CN101136558A (en) * | 2006-09-02 | 2008-03-05 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply system and switch circuit, switch method of main power source and backup battery |
| CN101834431A (en) * | 2010-05-21 | 2010-09-15 | 深圳市科陆电子科技股份有限公司 | Method for preventing grid-connected island effect of distributed power source |
| CN201616712U (en) * | 2010-03-09 | 2010-10-27 | 武汉华源电力集团股份有限公司 | High-voltage ring network switchgear real-time status monitoring device |
| CN201742164U (en) * | 2010-06-29 | 2011-02-09 | 江苏中科时代电气制造股份有限公司 | Monitoring control device of low-voltage switch cabinet set |
| CN202142911U (en) * | 2011-07-18 | 2012-02-08 | 航天科工深圳（集团）有限公司 | An intelligent monitoring module and a distributed distribution terminal having the intelligent monitoring module |
-
2011
- 2011-07-18 CN CN 201110199685 patent/CN102255388B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080010549A1 (en) * | 2006-05-30 | 2008-01-10 | Aaron Coolidge | Remote Electrical Device Switching Control, and Status Monitoring and Reporting System |
| CN101136558A (en) * | 2006-09-02 | 2008-03-05 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply system and switch circuit, switch method of main power source and backup battery |
| CN201616712U (en) * | 2010-03-09 | 2010-10-27 | 武汉华源电力集团股份有限公司 | High-voltage ring network switchgear real-time status monitoring device |
| CN101834431A (en) * | 2010-05-21 | 2010-09-15 | 深圳市科陆电子科技股份有限公司 | Method for preventing grid-connected island effect of distributed power source |
| CN201742164U (en) * | 2010-06-29 | 2011-02-09 | 江苏中科时代电气制造股份有限公司 | Monitoring control device of low-voltage switch cabinet set |
| CN202142911U (en) * | 2011-07-18 | 2012-02-08 | 航天科工深圳（集团）有限公司 | An intelligent monitoring module and a distributed distribution terminal having the intelligent monitoring module |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497031B (en) * | 2011-12-28 | 2013-10-16 | 国家电网公司 | Measurement and control terminal |
| CN102497031A (en) * | 2011-12-28 | 2012-06-13 | 国网信息通信有限公司 | Measurement and control terminal |
| CN102570341B (en) * | 2012-02-09 | 2015-04-29 | 华为技术有限公司 | Monitoring system of distribution cabinet |
| CN102570341A (en) * | 2012-02-09 | 2012-07-11 | 华为技术有限公司 | Monitoring system of distribution cabinet |
| CN102736595A (en) * | 2012-06-06 | 2012-10-17 | 中国电力科学研究院 | Unified platform of intelligent power distribution terminal based on 32 bit microprocessor and real time operating system (RTOS) |
| CN102946149A (en) * | 2012-12-06 | 2013-02-27 | 广州南方电力集团科技发展有限公司 | Automatic monitoring terminal for distributed distribution network |
| CN103151835A (en) * | 2013-02-07 | 2013-06-12 | 航天科工深圳（集团）有限公司 | Sampling synchronization method and device of distributed DTU (Distribution Terminal Unit) |
| CN103545920A (en) * | 2013-09-24 | 2014-01-29 | 池州市华强高低压电器成套设备有限公司 | Protecting and controlling method for power distribution box |
| CN103713602A (en) * | 2013-12-25 | 2014-04-09 | 航天科工深圳（集团）有限公司 | Remote control two-channel control system |
| CN103713602B (en) * | 2013-12-25 | 2016-11-23 | 航天科工深圳（集团）有限公司 | Remote control two-channel control system |
| CN103795145A (en) * | 2014-01-21 | 2014-05-14 | 南宁市三华太阳能科技有限公司 | Distributed power supply node real-time monitoring and analyzing system device and analyzing method |
| CN103855714B (en) * | 2014-03-31 | 2017-03-08 | 国网上海市电力公司 | A kind of integrated automation converting station system |
| CN103855714A (en) * | 2014-03-31 | 2014-06-11 | 国网上海市电力公司 | Integrated automatic substation system |
| CN103995210A (en) * | 2014-04-15 | 2014-08-20 | 刘骐畅 | Monitoring system and method suitable for underground cable distribution system |
| CN105549450A (en) * | 2014-10-29 | 2016-05-04 | 北京航天万源科技公司 | Carrier rocket measurement distribution control system based on 1553B bus communication |
| CN104935078A (en) * | 2015-05-26 | 2015-09-23 | 航天科工深圳（集团）有限公司 | Control method and control device for fault indicator in distribution network |
| CN105446224A (en) * | 2015-12-22 | 2016-03-30 | 北京合康亿盛变频科技股份有限公司 | Distributed control system of high-voltage inverters |
| CN105446224B (en) * | 2015-12-22 | 2019-02-19 | 北京合康新能科技股份有限公司 | A kind of dcs of high-voltage frequency converter |
| CN105929223A (en) * | 2016-04-07 | 2016-09-07 | 华电电力科学研究院 | Measurement system enabling centralized acquisition and distributed display and measurement method |
| CN105929223B (en) * | 2016-04-07 | 2018-12-25 | 华电电力科学研究院 | A kind of measurement system and method for measurement of concentrated collection distribution display |
| CN105958452A (en) * | 2016-06-30 | 2016-09-21 | 深圳市科陆电子科技股份有限公司 | Power grid distributed network protection method and protection device and system |
| CN108363336A (en) * | 2018-04-27 | 2018-08-03 | 合肥博鳌电气科技有限公司 | A kind of remote control and the intelligent switching device locally controlled |
| CN108900340A (en) * | 2018-07-03 | 2018-11-27 | 北京睿至大数据有限公司 | IT O&M Automatic monitoring systems |
| CN109525471A (en) * | 2018-09-17 | 2019-03-26 | 交控科技股份有限公司 | Module is adopted in a kind of compatible network and the IO of CAN communication drive |
| CN108958140A (en) * | 2018-10-15 | 2018-12-07 | 杭州电力设备制造有限公司 | A kind of ring network cabinet DTU |
| CN109917729A (en) * | 2019-04-26 | 2019-06-21 | 常州轻工职业技术学院 | A kind of modularization locker control module based on bus |
| CN114583834A (en) * | 2022-02-25 | 2022-06-03 | 厦门市智联信通物联网科技有限公司 | Distributed multifunctional power distribution cabinet assembly adapter device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102255388B (en) | 2013-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102255388B (en) | Distributed distribution network terminal device | |
| CN202142911U (en) | An intelligent monitoring module and a distributed distribution terminal having the intelligent monitoring module | |
| CN101465563A (en) | Integrated automation integration protection method and system | |
| CN102916407A (en) | Relay protection and fault information management system for regional power grid | |
| CN202495807U (en) | Remote centralized measurement and control system for power distribution network | |
| CN104753085A (en) | Remote online monitoring system for distributed photovoltaic access | |
| CN103023139A (en) | Device and method for monitoring distribution network | |
| CN104993596A (en) | A distribution network automation remote terminal unit based on embedded multiple ARM processors | |
| CN103036625A (en) | Design method of detecting system for telecontrol remote terminal unit (RTU) and information channel | |
| CN103746304B (en) | The remodeling method of Intelligent transformer station | |
| CN201256292Y (en) | GIS digital interval observing and controlling device | |
| CN202076849U (en) | Centralized protection, measurement and control device for transformer station | |
| CN107947365A (en) | A kind of measure and control device for supporting intelligent substation multi-compartment concentrated collection to control and centralized observing and controlling networking | |
| CN202394363U (en) | Humiture monitoring system for communicating by using power line carrier and radio | |
| CN108964259A (en) | A kind of power grid intelligence control system | |
| CN201897726U (en) | Automatic monitoring system for hydraulic power plant | |
| CN202749908U (en) | Power-grid automatic measurement and control terminal device | |
| CN202034825U (en) | Intelligent comprehensive device of medium-voltage switch | |
| CN105207353B (en) | The framework of intelligent substation station domain Protection control system | |
| CN203251142U (en) | Switch cabinet integrated monitoring terminal | |
| CN103199626A (en) | Switch cabinet integrated monitoring terminal | |
| CN203840058U (en) | Substation secondary equipment monitoring system | |
| CN211209379U (en) | Distribution terminal full coverage area distributed self-healing system | |
| CN202649791U (en) | Intelligent monitoring system of contact network switch | |
| CN211321024U (en) | Embedded distribution transformer monitoring and metering device and distribution room terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20200718 |