CN208477058U - Power distribution network mesolow side data collecting transmitter - Google Patents

Abstract

The utility model provides power distribution network mesolow side data collecting transmitter, including the preprocessing module for being installed on the front end acquisition module of mesolow side line road and being connect with the front end acquisition module by communication transmission module, setting acquires network and audio-video sension unit in the front end acquisition module；The audio-video sension unit includes controllable light source, dedicated high-definition camera and picture recognition module；The preprocessing module includes arm processor and its attachment component, and the attachment component includes clock circuit, memory and human-computer interaction interface.The present apparatus monitors operation conditions by the operation data of centering low-pressure side route, and by monitoring the variation of operation data and recording transmission data, to react the fault type of route, classification provides foundation, can play comprehensive monitoring for protection function.

Description

Power distribution network mesolow side data collecting transmitter

Technical field

The utility model relates to power distribution network information acquiring technology fields more particularly to the acquisition of power distribution network mesolow side data to pass Defeated device.

Background technique

The power distribution network in China operationally but needs to solve as early as possible there is problems at present, is mainly manifested in following several A aspect: reliability is low, network loss is high, remote monitoring and control are difficult, fault location difficulty, meter reading billing difficulties, power grid electric energy Quality is low.Due to lacking effective monitoring measure to power distribution network, behavior, the user's theft of electric power facility are stolen in Rural Power Distribution Network Electric behavior etc. all cannot be prevented effectively.Meanwhile city and rural power grids power supply core network extend load center, branched line and master Want user's rapid growth.Once single-phase earthing or short-circuit trip accident occur for branched line or 0.4kV route, can not be anti-in time Failure and accident treatment should be carried out as early as possible to power scheduling control centre.When single-phase earthing occurs, needing manually to operate a switch is connect The power failure one by one of earth fault point is searched, and the reliability of power supply is seriously affected；Especially occur in 0.4kV line powering system short When road, phase shortage or ground fault, it can not be directly reflected into dispatching control center, maintenance personnel cannot understand or receive in time Accurate information when failure greatlys restrict the rapid rush-repair respond to accident treatment.

Over the years, as power distribution automation is in the extensive use of electric system, series of new techniques comes into effect utilization, Also new opportunity is brought to the troubleshooting problem of distribution.The patent of Patent No. 201420208637.5 is related to electric power skill Art field, especially intelligent terminal Distribution Management System, including processor, power supply unit and multichannel buffered serial port, the power supply list Member and multichannel buffered serial port are connected to the processor, and further include the sensing having for acquiring switch, socket current voltage signal Unit, the sensing unit are connect by acquisition execution unit with processor；The processor is also connected with internal clock unit With E2PROM data storage cell.After adopting the above structure, supply voltage, electric current, power etc. can be accurately detected electrically to join Number, makes accurate judgement to there is electric current overrun circuit, and issue current order and close the ring current, improves safety Property.

For the feature that distribution is multi-point and wide-ranging, running environment is complicated under such a background, it is badly in need of studying a set of " distribution Net mesolow side data collecting transmitter " can quickly and accurately find failure generation point for staff and provide data, right Reduction trouble shooting time, shortening are particularly significant because failure power off time, raising distribution network reliability, raising working efficiency have Meaning.

Utility model content

The purpose of the utility model is to provide power distribution network mesolow side data collecting transmitters, pass through centering low pressure side line The operation data on road monitors operation conditions, by monitoring the variation of operation data and recording transmission data, for reaction route Fault type, classification provide foundation, can play comprehensive monitoring for protection function.

It is for technical solution used by realization the purpose of this utility model: power distribution network mesolow side data acquisition transmission dress It sets, including being installed on the front end acquisition module of mesolow side line road and passing through communications mould with the front end acquisition module The preprocessing module of block connection, setting acquisition network and audio-video sension unit in the front end acquisition module；The audio-video Sension unit includes controllable light source, dedicated high-definition camera and picture recognition module；The preprocessing module includes arm processor And its attachment component, the attachment component include clock circuit, memory and human-computer interaction interface.

Further, the acquisition network includes sensor module, module and noise reduction filtering module in data set, the number According to concentrating module to include data concentrator, the noise reduction filtering module includes electronic type plastic filter circuit.

Further, the human-computer interaction interface includes LED array and control keyboard.

Further, the sensor module is multiple sensors composition, including voltage sensor, current sensor, function Rate sensor and harmonic sensor are cooperated between each sensor, real-time monitoring, perception and the various environment of acquisition or prison The information of object is surveyed, communication transmission module is directly connected with module in data set, realizes noise reduction filtering by module in data set Communication between module and sensor.

Further, the communication transmission module includes remote transmission module and local data transfer module, the local Data transmission module includes jtag interface and system bus, and the remote transmission module includes LTE communication component and fiber optic communication Unit.

Further, the LTE communication component includes TD-LTE communication chip and LTE230 communication chip.

Further, data encryption device is arranged in the system bus.

The power distribution network mesolow side data collecting transmitter beneficial effect of this programme is mainly reflected in the following aspects:

1, the utility model can be by front end acquisition module centering low-pressure side, such as the fortune of branched line and 0.4kV route Row data monitor operation conditions, and to react the fault type of route, classification provides foundation, can greatly mitigate staff Labor intensity, shorten power off time, reduce and use electric loss, improve power supply reliability, improve operation automation, information-based water It is flat.

2, the communication transmission module of the utility model can according to actual acquisition environment and demand, it is autonomous realize uplink and under Row communication selection, can be according to the different measurement function of locating voltage class and distribution Scene realization and communication up and down The selection of channel has very strong adaptation function.

3, on the one hand the utility model carries out data as the present apparatus by introducing the preprocessing module connecting with power distribution network On the other hand the core of acquisition and management also provides the interface and operation interface of each communications portion, so as to effectively realize More proxy information processing functions and protocol conversion function.

Detailed description of the invention

Fig. 1 is the structure principle chart of the utility model.

Specific embodiment

As shown in Figure 1, power distribution network mesolow side data collecting transmitter, before being installed on mesolow side line road End acquisition module and pass through the preprocessing module 3 that connect of communication transmission module 4 with front end acquisition module, in front end acquisition module Setting acquisition network 1 and audio-video sension unit 2；Audio-video sension unit 2 includes controllable light source 8, dedicated high-definition camera 9 With picture recognition module 10；Preprocessing module 3 includes arm processor 11 and its attachment component, and attachment component includes clock circuit 12, memory 13 and human-computer interaction interface 14, human-computer interaction interface include LED array and control keyboard.

It acquires network 1 and includes module 6 and noise reduction filtering module 7 in sensor module 5, data set, module packet in data set Data concentrator is included, noise reduction filtering module includes electronic type plastic filter circuit.

Sensor module is multiple sensors composition, including voltage sensor, current sensor, power sensor and harmonic wave Sensor is cooperated between each sensor, real-time monitoring, the information of perception and the various environment of acquisition or monitoring object, Communication transmission module is directly connected with module in data set, by module in data set realize noise reduction filtering module and sensor it Between communication.

Communication transmission module includes remote transmission module 15 and local data transfer module 16, local data transfer module packet Jtag interface and system bus are included, remote transmission module includes LTE communication component and fiber optic communication unit.

LTE communication component includes TD-LTE communication chip and LTE230 communication chip.

The function that each component of the utility model is decomposed is mainly reflected in three parts, and first part is to acquire function comprehensively Can, including various sensors and visualization interface etc., they can be acquisition module by embedded integration, for acquiring answer more With the acquisition information of scene.The self-organizing for realizing communication network between each present apparatus by protocol stack, meets between present apparatus route Communication requirement；Second part is communication function, respectively remote transmission module and local data transfer module, each communications Module can acquire the communicating requirement automatic switchover communication channel of information according to application scenarios, to meet the acquisition of each application scenarios Information transfer demands；Part III is processor function, which is the core that the present apparatus carries out data collection and administration, Various coffrets and operation interface are provided simultaneously.

In practical applications, the front end acquisition module of the utility model relies primarily on acquisition network, acquires network by sensing The part such as module, noise reduction filtering module is constituted in device module, data set.Sensor module is integrated in each present apparatus route, real When perception, acquisition and processing mesolow side line road in information, and mould in data set is transferred data to by " multi-hop " network Block, module can also send information to each node in the same way in data set.Module is directly realized by noise reduction in data set Communication between filter module and sensor.Node damage fail the problems such as occur in the case where, system can adjust automatically, So that it is guaranteed that the communication of whole system is normal.

The present apparatus is integrated with multiple sensors, comprising: voltage, electric current, power and harmonic sensor etc., between each sensor It cooperates and constitutes acquisition network, real-time monitoring, the information of perception and the various environment of acquisition or monitoring object, by embedded System handles information, and is transmitted institute's perception information in a manner of multi-hop relay by random self organizing radio network network To the information processing centre of power distribution network.Communication transmission module is directly connected with module in data set, real by module in data set Communication between existing noise reduction filtering module and sensor thus passes through line voltage value, current value and the performance number etc. of acquisition, Data are provided for research line fault early warning and malfunction elimination technology, provide technological guidance for safety utilization of electric power, to improve entire Line security electricity consumption level.

For visualized operation, what is relied primarily on is audio-video sension unit, audio-video sension unit include controllable light source, Dedicated high-definition camera and picture recognition module, mainly may be implemented within a certain period of time to all visual informations in land into Row monitoring and record, in practice, audio-video sension unit directly can also realize visualized data by computer network It transfers, i.e. WEB windowing, WEB form can show operating status, voltage data, power data and the electric current number of current line According to etc., monitoring of software does not have to be fixed on a certain host, and the host of any Ethernet networking, which runs the software, can get often The monitoring data of a monitoring point, the i.e. any computer of power distribution network ethernet line road can pass through input front end acquisition module The address IP remotely accesses WEB page.

The communication transmission module of the utility model by and acquisition network combination, so that it may by multiple fragmentary distributions Sensor cascade, form sensor-based communication network, due to communication transmission module include remote transmission module and this Ground data transmission module, so, sensor-based communication is also classified into short-range communication and wide area network traffic.It is logical in short distance Letter aspect, is current mainstream technology by the close range communication techniques of representative of IEEE802.15.4, and 802.15.4 specification is The physical layer and media for low speed short-range communication that IEEE is formulated intervene control layer specification, work in ISM band, exempt to permit The 2.4GHz ISM band whole world of card is all generally applicable.In wide area network communication aspects, the internet IP, is defended 2G/3G mobile communication Star communication technology etc. realizes the remote transmission of information, especially using IPv6 as the development of the Next Generation Internet of core, will be Each sensor distribution IP address creation is possible, also creates good facilities network condition for the development of Sensor Network.Sensing network Related communications technologies common are bluetooth, IrDA, Wi-Fi, ZigBee, RFID, UWB, NFC, WirelessHart etc..

In practical application, data encryption device is arranged in the system bus of communication transmission module, on the one hand, in secure accessing In terms of safe transmission, encryption gateway is established using the mobile present apparatus and wireless access network, thus the present apparatus and distribution network master station Can safe and reliable sending and receiving data, it is on the other hand, private by using Line Address, certification on local data-link layer The multiple parameters such as key, encryption key and random code ensure communication safety, and provide convenience, safety etc. for debugging, maintenance and operation It is advantageous to guarantee.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, and the one of this field As it will be recognized that can also realize many optional embodiments using the embodiment of the utility model.It is all practical at this Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle Within the scope of shield.

Claims (7)

1. power distribution network mesolow side data collecting transmitter, it is characterised in that: before being installed on mesolow side line road End acquisition module and the preprocessing module being connect with the front end acquisition module by communication transmission module, the front-end collection Setting acquisition network and audio-video sension unit in module；The audio-video sension unit includes that controllable light source, dedicated high definition are taken the photograph As head and picture recognition module；The preprocessing module includes arm processor and its attachment component, when the attachment component includes Clock circuit, memory and human-computer interaction interface.

2. power distribution network mesolow side data collecting transmitter as described in claim 1, it is characterised in that: the acquisition network Including module in sensor module, data set and noise reduction filtering module, module includes data concentrator in the data set, described Noise reduction filtering module includes electronic type plastic filter circuit.

3. power distribution network mesolow side data collecting transmitter as described in claim 1, it is characterised in that: the human-computer interaction Interface includes LED array and control keyboard.

4. power distribution network mesolow side data collecting transmitter as claimed in claim 2, it is characterised in that: the sensor die Block is multiple sensors composition, including voltage sensor, current sensor, power sensor and harmonic sensor, each sensor Between cooperated, real-time monitoring, the information of perception and the various environment of acquisition or monitoring object, communication transmission module is direct It is connected with module in data set, the communication between noise reduction filtering module and sensor is realized by module in data set.

5. power distribution network mesolow side data collecting transmitter as described in claim 1, it is characterised in that: the communications Module includes remote transmission module and local data transfer module, and the local data transfer module includes jtag interface and system Bus, the remote transmission module include LTE communication component and fiber optic communication unit.

6. power distribution network mesolow side data collecting transmitter as claimed in claim 5, it is characterised in that: the LTE communication Component includes TD-LTE communication chip and LTE230 communication chip.

7. power distribution network mesolow side data collecting transmitter as claimed in claim 5, it is characterised in that: the system bus Data encryption device is set.