CN201331688Y

CN201331688Y - Hydroelectric generating set operation monitoring device based on GSM communication

Info

Publication number: CN201331688Y
Application number: CNU2008202323093U
Authority: CN
Inventors: 张利斌; 季洪波; 胡鑫; 刘玉来; 马晓杰; 郭玉岩; 孙方亮; 刘翔宇; 李帅
Original assignee: BENXI MANZU COUNTY SMALL HYDROPOWER STATION
Current assignee: BENXI MANZU COUNTY SMALL HYDROPOWER STATION
Priority date: 2008-12-30
Filing date: 2008-12-30
Publication date: 2009-10-21
Anticipated expiration: 2018-12-30

Abstract

A hydroelectric generating set operation monitoring device based on GSM communication resolves the problems of the conventional monitoring device, including great measurement error and inconvenient carrying. The device comprises a GSM mobile phone, an antenna and a monitoring control loop which comprises a signal acquisition and execution drive unit, a data display and storage unit, a GSM network communication unit, a DSP processor and a power circuit. The technical points of the device are as follows: the DSP processor is respectively connected with a signal acquisition circuit and an execution drive circuit through RS485 conversion circuits and plug connectors; the parallel data interfaces of the DSP processor is connected with a liquid crystal display and a storage circuit; and a GSM communication module is communicated with a GSM mobile phone client through a GSM network. The structure design of the device is reasonable, the carrying is convenient, the operation cost is notably reduced, the objectivity of the transmitted information is high, the transmission speed is high, and consequently, supervisors can timely and accurately know hydrological conditions and the operation condition of a water turbine generator set in order to ensure the safe and reliable operation of the water turbine generator set.

Description

Hydropower unit operational monitoring device based on gsm communication

Technical field

The utility model relates to the supervising device that a kind of hydropower is used, particularly a kind of hydropower unit operational monitoring device based on gsm communication.It has abandoned the monitoring form of traditional artificial on duty and status poll.

Background technology

The mode that traditional micro-hydraulic station adopts the person on duty to patrol and examine and estimate is judged the running status of operational outfit, and the running status of reporting genset by traditional communication mode and production management personnel, this kind monitoring form exists measuring error big, more great amount of manpower and the material resources of taking do not have absolute objectivity.Development along with communication and monitoring technology, remote control technology based on Ethernet or other communication form has appearred, but because this type of installs more employing wire communication form, and need special monitoring and steering order to assign device, be not easy to the monitoring personnel and carry.

Gsm system (Global System for Mobile Communication, global system for mobile communications) be a kind of system the most ripe, the most perfect in the present mobile communication system based on tdma, that be most widely used, gsm system has become the main mode of public mobile communication.But also do not find hydropower unit operational monitoring device up to now based on the GSM SMS communication.

The utility model content

The purpose of this utility model provides a kind of hydropower unit operational monitoring device based on gsm communication; it has solved the problem that measuring error is big, inconvenience is carried that traditional supervising device exists; its reasonable in design; easy to carry; significantly reduce operating cost, it is strong that information sends objectivity, and transmission speed is fast; help the running status that managerial personnel understand the hydrology and water wheels unit in time, accurately, guarantee that unit safety moves reliably.

The technical scheme that the utility model adopted is: should comprise GSM mobile handset based on the hydropower unit operational monitoring device of gsm communication, antenna reaches by signals collecting and carries out driver element, data presentation and storage unit, GSM network communication unit and dsp processor, the Monitoring and Controlling loop that power circuit is formed, its technical essential is: described dsp processor is by the RS485 change-over circuit, connect plug-in unit respectively with described signals collecting and carry out the signal acquisition circuit in the driver element and carry out driving circuit and be connected, described data presentation is connected with the parallel data grabbing card of dsp processor with LCD and memory circuit in the storage unit, the GSM communication module that is connected with described antenna in the described GSM network communication unit is by GSM network and GSM mobile handset communication, and the GSM communication module is by coding-decoding circuit, transmitter/receiver circuit and duplexer filter are formed.

Described data presentation is connected embedded FLASH storer of memory circuit or external storage card with memory circuit in the storage unit respectively by gating switch.

Advantage and the good effect that the utlity model has are: should adopt ripe gsm communication technology based on the hydropower unit operational monitoring device of gsm communication; dsp processor is by the RS485 change-over circuit; connect the coding-decoding circuit of plug-in unit in the GSM communication module; transmitter/receiver circuit is connected with GSM mobile handset with duplexer filter and external antenna; and by GSM network service; sending out mutually by short message can be in real time or the operation transition of understanding equipment at random and can carry out the operated from a distance of equipment downtime under the emergency circumstance; GSM mobile handset is easy to carry; operating cost is lower; wide and this device of signal area coverage does not influence the normal use of cell-phone function; dsp processor is by the RS485 change-over circuit; connecting plug-in unit is connected with signal acquisition circuit and execution driving circuit respectively; acquisition state supplemental characteristic and execution action command thereof; LCD and the memory circuit of state parameter data of gathering by linking to each other with the dsp processor parallel data grabbing card; show and store; and can select memory circuit by gating switch is its embedded FLASH storer or external storage card; the case constant of its real-time storage can objectively reflect equipment running status; it is timely that this utility model helps managerial personnel; understand the running status of the hydrology and water wheels unit accurately, the equipment running status of storage helps the in-depth analysis to equipment running status and performance.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 is a kind of structured flowchart of the present utility model.

Fig. 2 is a kind of principle of work block diagram of the present utility model.

Fig. 3 is a kind of control circuit theory diagram of the present utility model.

Sequence number explanation among the figure: 1GSM mobile phone, 2GSM communication module, 3 are carried out driving circuit, 4DSP processor, 5 signal acquisition circuits, 6 antennas, 7 power circuits, 8 LCD, 9 coding-decoding circuits, 10 transmitter/receiver circuits, 11 duplexer filters, 12 connection plug-in units, 13 connection plug-in units, 14 connection plug-in units, 15 memory circuits, 16RS485 change-over circuit, 17RS485 change-over circuit, 18RS485 change-over circuit

Embodiment

Describe concrete structure of the present utility model in detail according to Fig. 1～3, should comprise GSM mobile handset 1, antenna 6 and the Monitoring and Controlling loop of forming by signals collecting and execution driver element, data presentation and storage unit, GSM network communication unit and dsp processor 4, power circuit 7 based on the hydropower unit operational monitoring device of gsm communication, adopt the transmission medium of GSM network as communication data and steering order.Wherein signals collecting and execution driver element are made up of signal acquisition circuit 5 and execution driving circuit 3.The instruction input/output port of dsp processor 4 through RS485 change-over circuit 18 be connected plug-in unit 14 and be connected with signal acquisition circuit 5, sensor special on the signal acquisition circuit 5 and auxiliary Acquisition Circuit are finished and are comprised the dam body water level that dams (or diversion canal discharge), the hydraulic turbine operation load, the collection of operating state signals such as genset output power, effectively operating state signal by the Acquisition Circuit compression after through the output port of signal acquisition circuit 5, RS485 change-over circuit 18 be connected the instruction input/output port that plug-in unit 14 is connected to dsp processor 4, with the collection of completion status supplemental characteristic.In like manner; the instruction issuing port of dsp processor 4 is through RS485 change-over circuit 17 and be connected plug-in unit 13 and be connected with execution driving circuit 3; be used to realize the long-range shutdown operation of cutting off the water; in case of emergency can assign shutdown operation instruction by sending SMS message, the assigning of this instruction need be carried out password and identity information is confirmed and steering order assign two independently short message finish.

Data presentation and storage unit are made up of dsp processor 4, LCD 8, memory circuit 15 and electronic component commonly used, wherein, dsp processor 4 is connected with memory circuit 15 through parallel data interfaces, realize the storage of state parameter data, it is embedded FLASH storer of device or external storage card that this memory circuit can be selected memory circuit by gating switch.The parallel data grabbing card of LCD is connected with the parallel data grabbing card of dsp processor 4, the touching medium of LCD 8 is connected with the AD Acquisition Circuit interface of dsp processor 4, realizes touch operation and can carry out the demonstration of man-machine interactively setting and state parameter data.

The GSM network communication unit is made up of gsm module 2, antenna 6 and connection plug-in unit 12, wherein dsp processor 4 is connected with external antenna 6 with the coding-decoding circuit 9, transmitter/receiver circuit 10 and the duplexer filter 11 that are connected plug-in unit 12, GSM communication module 2 inside through RS485 change-over circuit 16, and finish the reception and the transmission of short message by GSM network and GSM mobile handset, GSM communication module 2 is used to realize controlling and transmission and the reception of operating state signal between GSM mobile handset 1 and dsp processor 4.The voltage output end of power circuit 7 is connected with the working power input end of each functional unit, realizes the supply of this device operating voltage.

Dsp processor 4 is the cores in this Monitoring and Controlling loop, adopts the 16 bit DSP chips of commercially available (production of microchip company), and its peripheral circuit comprises: linear DC-DC converting unit, software debugging interface circuit, hardware watchdog circuit and photoelectric isolating circuit.This processor is used to handle the status poll instruction of effective short message, and according to query contents corresponding status signal being compiled short message, to send to inquiry terminal be GSM mobile handset 1, the short message that gsm module 2 receives is at first judged the inquiry right of its inquiry terminal by dsp processor 4, with existing database relatively and judge whether it is effective short message, if invalid short message is then abandoned query manipulation automatically, if effectively short message calls corresponding state parameter data value according to the content of inquiry from data storage cell, send the editor that short message is carried out in instruction according to short message in the GSM communications protocol, pass through the parallel data grabbing card of dsp processor 4 after editor finishes, gsm communication module 2 and antenna 6 carry out short message and send.The running status memory circuit is embedded FLASH storer or external storage card, dsp processor 4 carried out the storage of an effective status supplemental characteristic every 30 minutes, can storage of water power generator group in the memory circuit running state parameter data in 1 year, the user can read corresponding running state parameter data by supporting software.

Claims

1, a kind of hydropower unit operational monitoring device based on gsm communication, comprise GSM mobile handset, antenna reaches by signals collecting and carries out driver element, data presentation and storage unit, the Monitoring and Controlling loop that GSM network communication unit and dsp processor and power circuit are formed, it is characterized in that: described dsp processor is by the RS485 change-over circuit, connect plug-in unit respectively with described signals collecting and carry out the signal acquisition circuit in the driver element and carry out driving circuit and be connected, described data presentation is connected with the parallel data grabbing card of dsp processor with LCD and memory circuit in the storage unit, the GSM communication module that is connected with described antenna in the described GSM network communication unit is by GSM network and GSM mobile handset communication, and the GSM communication module is by coding-decoding circuit, transmitter/receiver circuit and duplexer filter are formed.

2, the hydropower unit operational monitoring device based on gsm communication according to claim 1 is characterized in that: described data presentation is connected embedded FLASH storer of memory circuit or external storage card with memory circuit in the storage unit respectively by gating switch.