CN203149821U - Small hydropower station operation data and electricity consumption information acquisition and access system - Google Patents

Abstract

The utility model relates to a power consumption information collection and access system for small hydropower operation data, which relates to a power consumption information collection and connection system. Small hydropower station information data acquisition system, cost, stability, speed can not be taken into account. The utility model comprises an electric meter, a wireless communication module, a front-end server, and a web server, and is characterized in that: a collection workstation, a server, and a photoelectric isolator, the collection workstation obtains the electric meter data information of the front-end server through the web server, and the information obtained by the collection workstation After server database storage and data standardization processing, it is connected to the front-end system of the scheduling automation master station through the photoelectric isolator. This technical solution does not need to set up power carrier communication or optical cables, which reduces costs, and at the same time ensures the reliability of the work and the time requirements for response. On the other hand, multiple collection workstations independently collect the operating data of each small hydropower station in time, improving data security. Security, the failure of any collection workstation will not affect the integrity of the data.

Description

Small hydropower operation data and electricity consumption information collection and access system

technical field

The utility model relates to an electricity consumption information collection and access system.

Background technique

At present, small hydropower resources are abundant, and small hydropower usually decides whether to generate electricity or not according to the incoming water situation. Dispatching is difficult to predict the output of small hydropower stations. At present, only estimates or multiplication coefficients are used to estimate a number. Power grid dispatching, load forecasting, daily load measurement, terminal voltage detection, reactive power and voltage management, peak summer, tea, winter, scheduling and production statistical reports, etc., all need to use the power generation information of the power station.

Therefore, it is urgent to implement the small hydropower station information data collection system, monitor the power station operation information, and improve the level of power grid dispatching and power grid operation management.

The traditional substation/power station scheduling automation main station access method is mainly through SDH, PCM equipment, and access to the main station system through optical cable transmission, but the one-time equipment investment of each site is large, and most of the small hydropower stations are distributed in the mountains, and the transportation is inconvenient , which increases the cost of laying optical cables. Or use power carrier communication and other methods to access, but the power carrier communication method is affected by factors such as the grid structure, and it is difficult to operate stably for a long time. the

Utility model content

The technical problem to be solved and the technical task proposed by the utility model are to perfect and improve the existing technical scheme, and provide a small hydropower operation data and electricity information collection and access system, so as to achieve low-cost and stable operation under the premise of ensuring the collection speed the goal of. For this reason, the utility model takes the following technical solutions.

Small hydropower operation data and electricity consumption information collection and access system, including the electric meter for recording the working conditions of the small hydropower station, the wireless communication module for transmitting the data information of the electric meter, the front server for collecting the data information of the electric meter, and the web server connected to the front server The server is characterized in that: it also includes a plurality of collection workstations connected to the web server, two servers that are hot standby each other, and a photoelectric isolator, the collection workstation obtains the electric meter data information of the front server through the web server, and the information obtained by the collection workstation After server database storage and data standardization processing, it is connected to the front-end system of the scheduling automation master station through the photoelectric isolator. Due to the safety factor of the power consumption information collection system, the database interface is not open. Therefore, the small hydropower operation data is obtained through the nested IE plug-in of the program, and the small hydropower operation data is obtained by web page query. However, due to the large number of small hydropower stations, the web The data acquisition rate of the data query method is relatively slow. The data acquisition front-end system adopts a distributed front-end arrangement, and multiple acquisition workstations are used for partition and fragmentation collection to improve the overall data acquisition speed. The collected small hydropower operation data is collected in the server, and after database storage and DISA standardization processing, it is connected to the front channel cabinet of the dispatching automation master station system through the RS232 port and the photoelectric isolation device. The dispatch automation master station system takes the whole set of small hydropower operation data acquisition system as a substation, processes the data messages obtained from it, obtains the small hydropower operation data, and displays them in the dispatch automation master station system, taking it as an important data source , applied to each functional module in various systems. The number of collection workstations depends on the data update time requirements and the number of small hydropower stations. The technical solution does not need to set up power carrier communication or optical cable, which reduces the cost and guarantees the reliability of work and the time requirement of response at the same time. On the other hand, multiple collection workstations separately collect the operating data of each small hydropower station in time-sharing to improve data security. The failure of any collection workstation will not affect the integrity of the data.

As a further improvement and supplement to the above technical solution, the utility model also includes the following additional technical features.

The collection workstation is connected to the server through the network, and the server is connected to the pre-system of the scheduling automation master station through the RS232 interface. The server forwards the data to the front-end system of the dispatching automation master station through the RS232 interface through the DISA/CDT protocol through standardized processing. The system connects the entire power consumption information collection system as a substation to the dispatch automation master station system, and the server monitors the operating conditions of the entire system through a visual interface.

The wireless communication module is connected with the front server through GPRS. The power consumption information collection system adopts GPRS technology (General Packet Radio Service, general packet radio service technology), and utilizes mobile data services to realize the timing collection, storage and query of active and reactive data of small hydropower stations. Realize the uploading and storage of small hydropower station data. Its work is reliable, the cost is low, and the time requirement of sampling can be guaranteed.

Beneficial effects: the technical solution does not need to set up power carrier communication or optical cable, which reduces the cost, and at the same time ensures the reliability of work and the time requirement of response. On the other hand, multiple collection workstations separately collect the operating data of each small hydropower station in time-sharing to improve data security. The failure of any collection workstation will not affect the integrity of the data.

Description of drawings

Fig. 1 is a working principle diagram of the utility model.

Detailed ways

The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings of the description.

The utility model includes an electric meter for recording the working condition of the small hydropower station, a wireless communication module for transmitting the data information of the electric meter, a front server for collecting the data information of the electric meter, a web server connected with the front server, and a plurality of web servers connected with the web server. Acquisition workstation, two mutually hot standby servers, photoelectric isolator, the acquisition workstation obtains the electric meter data information of the front server through the web server, and the information obtained by the acquisition workstation is stored in the database, DISA standardized processing, and data standardized processing through the server , After the photoelectric isolator is connected to the front-end system of the dispatching automation master station. Centralize the collected small hydropower operation data into the server for database storage, DISA standardized processing, and forwarding. The dispatch automation master station system takes the whole set of small hydropower operation data acquisition system as a substation, processes the data messages obtained from it, obtains the small hydropower operation data, and displays them in the dispatch automation master station system, taking it as an important data source , applied to each functional module in various systems. The collection workstation is determined according to the data update time requirement and the number of small hydropower stations. In this example, the number of small hydropower stations is 116. In order to realize 15-minute timing data collection, 6 collection workstations PC1, PC2, PC3, PC4, PC5, and PC6 are used.

The wireless communication module is connected to the front server through GPRS (General Packet Radio Service, general packet radio service technology). Realized the regular collection, storage and query of active power and reactive power data of small hydropower stations. Realize the uploading and storage of small hydropower station data.

The small hydropower operation data and electricity information collection and access system shown in Figure 1 above is a specific embodiment of the utility model, which has already reflected the substantive features and progress of the utility model, and can be used in accordance with actual needs in the utility model Under the inspiration of the present invention, the equivalent modification of its shape, structure and other aspects are all within the scope of protection of this scheme.

Claims (3)

1. small power station's service data power information is gathered connecting system, the ammeter that comprises record small hydropower station working condition, the wireless communication module that is used for transmission ammeter data information, be used for gathering the front server of ammeter data information, the web server that links to each other with front server, it is characterized in that: also comprise many acquisition workstations that link to each other with the web server, two servers of being equipped with of heat each other, photoisolator, acquisition workstation obtains the ammeter data information of front server by the web server, the information that acquisition workstation obtains by data in server library storage and the processing of data stipulations by photoisolator access dispatching robotization main website front-end system.

2. small power station according to claim 1 service data power information is gathered connecting system, and it is characterized in that: described acquisition workstation links to each other with server by network, and server passes through the RS232 interface and links to each other with dispatching automation main website front-end system.

3. small power station according to claim 1 service data power information is gathered connecting system, and it is characterized in that: described wireless communication module links to each other with front server by GPRS.

Images