CN204884136U

CN204884136U - A power consumption information acquisition terminal for electric wire netting safety is observed and controled

Info

Publication number: CN204884136U
Application number: CN201520625711.8U
Authority: CN
Inventors: 杨飞; 秦真爽
Original assignee: NANJING XINLIAN ELECTRONIC CO Ltd
Current assignee: NANJING XINLIAN ELECTRONIC CO Ltd
Priority date: 2015-09-09
Filing date: 2015-09-09
Publication date: 2015-12-16
Anticipated expiration: 2025-09-09

Abstract

The utility model is an electricity consumption information collection terminal used for grid safety measurement and control, and its structure includes a power supply module, a core processing module, a display module, an interface module, a 3G communication module, and an optical fiber communication module. The A-12V power output terminal in the power module is connected to the B-12VIN power input terminal in the core processing module, and the B-3.3V power output terminal in the core processing module is connected to the D-3.3V power input terminal in the optical fiber communication module And the E-3.3V power input terminal in the display module is connected, the B-4V power output terminal in the core processing module is connected with the C-4V power input terminal in the 3G communication module, the utility model adopts CAN bus communication mode design , the interface supports hot plugging, which makes the interface expansion more flexible and convenient; the communication between the terminal and the main station is equipped with 10/100M Ethernet communication, 3G wireless communication and long-distance optical fiber communication channel, and the communication is faster and more reliable; Level" collection function, it can monitor the power grid data in real time, and control the abnormal power consumption circuit in real time. Improve the security performance of the grid.

Description

A kind of power information acquisition terminal for power grid security observing and controlling

Technical field

The utility model relates to a kind of power information acquisition terminal for power grid security observing and controlling, belong to power user power consumption information acquisition system technical field.

Background technology

Along with the development of society, the large user's number in electric system continues to increase, and strengthens the monitoring and control at large user's electricity consumption scene more and more important.Along with being on the increase of number of users, the data volume in network system is also increasing, and by carrying out real-time management control to the collection analysis of electric network data to power consumer, regulate network load balance, " real-time " of the data acquisition in system is particularly important.In order to the power that breaks down in extra-high voltage lose time, realize the accurate Effective Regulation to large user's load, require that realizing " level second " for electricity consumption loop gathers and control in real time, special this new model terminal of R & D design.This terminal can realize large user's remote automatic meter reading and load field management, Real-Time Monitoring and data acquisition can be carried out to power grid quality, strengthen the function of demand Side Management, well can meet the needs of electric company to the generated energy acquisition of electrical network and large user's electricity consumption field management, the construction of China's intelligent grid is played a positive role.

Summary of the invention

The utility model proposes a kind of power information acquisition terminal for power grid security observing and controlling, its object is used for electricity consumption loop data Real-time Collection, control accurate large user load, ensure user power utilization safety, regulation and control electrical network power load balance, improve the intellectuality of electrical network, advance and security, meet the construction demand of China's smart electric grid system.

Technical solution of the present utility model: a kind of power information acquisition terminal for power grid security observing and controlling, is characterized in that comprising power module, core processing module, display module, interface module, 3G communication module, optical fiber communication modules, A-12V power output end wherein in power module connects with the B-12VIN power input in core processing module, B-3.3V power output end in core processing module connects with the D-3.3V power input in optical fiber communication modules and the E-3.3V power input in display module, B-4V power output end in core processing module connects with the C-4V power input in 3G communication module, B-12VOUT power output end in core processing module connects with the F-12V power input in interface module, B-T/R0 data transmission bus in core processing module connects with the E-T/R data transmission bus in display module, B-T/R1 data transmission bus in core processing module connects with the C-T/R data transmission bus in 3G communication module, B-DATA data transmission bus in core processing module connects with the D-DATA data transmission bus in optical fiber communication modules, B-CAN data transmission bus in core processing module connects with the F-CAN data transmission bus in interface module.

Advantage of the present utility model: 1) real time data acquisition is strong; 2) adopt CAN data-interface, antijamming capability is strong, and data accuracy is high; 3) communication speed is fast, adopts 3G, optical communication interface, with main website communication data transfer rate is fast, accuracy is high; 4) interface signal of interface module is unified, and the extensibility of module is good, can need flexible control interface quantity according to scene; 5) adopt 240 × 128 Dot-Matric LCD Display, possess good human-computer interaction interface.

Accompanying drawing explanation

Fig. 1 is a kind of structural representation of the power information acquisition terminal for power grid security observing and controlling.

Fig. 2 is the structural representation of power module.

Fig. 3-1 is core processing module " voltage conversion circuit " structural representation.

Fig. 3-2 is core processing module " core cpu treatment circuit " structural representations.

Fig. 4 is the structural representation of 3G communication module.

Fig. 5 is the structure schematic diagram of optical fiber communication modules.

Fig. 6 is the structural representation of display module.

Fig. 7-1 is interface module " voltage conversion circuit " structural representation.

Fig. 7-2 is interface module " core processing circuit " structural representations.

Fig. 7-3 is interface module " remote control, remote signaling function " structural representations.

Fig. 7-4 is interface module " function is adopted in friendship " structural representations.

Embodiment

Contrast accompanying drawing 1, a kind of power information acquisition terminal for power grid security observing and controlling, is characterized in that comprising power module A, core processing module B, display module E, interface module F, 3G communication module C, optical fiber communication modules D; A-12V power output end wherein in power module A connects with the B-12VIN power input in core processing module B, B-3.3V power output end in core processing module B connects with the D-3.3V power input in optical fiber communication modules D and the E-3.3V power input in display module E, B-4V power output end in core processing module connects with the C-4V power input in 3G communication module C, B-12VOUT power output end in core processing module B connects with the F-12V power input in interface module F, in core processing module, the B-T/R0 data transmission bus of B is corresponding with the E-T/R data transmission bus in display module connects, B-T/R1 data transmission bus in core processing module B connects with the C-T/R data transmission bus in 3G communication module C, B-DATA data transmission bus in core processing module B connects with the D-DATA data transmission bus in optical fiber communication modules D, B-CAN data transmission bus in core processing module B connects with the F-CAN data transmission bus in interface module F.

Contrast Fig. 2, power module, its structure comprises filter rectifier, power-supply controller of electric, transformer, filter rectifier converts alternating current to unidirectional Rectified alternating current, power-supply controller of electric dynamic regulation voltage, make output voltage stabilization in required definite value, transformer can stable direct current 12V power supply needed for regulation output terminal.The power output interface that " A-12V " is power module, is connected to " B-12VIN " power input interface of core processing module.

Contrast Fig. 3-1,3-2, core processing module is the core processing part of terminal, data terminal collected carry out processing, preserving according to set stipulations, and other module of control terminal can perform corresponding function, corresponding interface is shown as controlled display module, communication control module sends data to main website, control interface module perform check meter, distant control function etc.Its structure comprises voltage conversion circuit, core cpu treatment circuit, and the supply voltage that external power source module provides is general common voltage, can be exchanged into the specific voltage needed for CPU single-chip microcomputer by voltage conversion circuit, ensures that CPU single-chip microcomputer normally works.The power input interface that " B-12VIN " is core processing module, is converted to 12V, 4V, 3.3V tri-groups of voltages of gate-controlled switch by 12V DC voltage by voltage conversion circuit.The 3.3V power output interface that " B-3.3V " is core processing module, connects with " D-3.3V " power input interface of optical fiber communication modules, powers to optical fiber communication modules.The 4V power output interface that " B-4V " is core processing module, connects with " C-4V " power input interface of 3G communication module, powers to 3G communication module.The 12V power output interface that " B-12VOUT " is core processing module, connects with " F-12V " power input interface of interface module, powers to interface module." B-T/R0 " interface of core processing module connects with " E-T/R " interface of display module, is data transmission bus between core processing module and display module." B-T/R1 " interface of core processing module connects with " C-T/R " interface of 3G communication module, is data transmission bus between core processing module and 3G communication module." B-DATA " interface of core processing module connects with " D-DATA " interface of optical fiber communication modules, is data transmission bus between core processing module and optical fiber communication modules." B-CAN " interface of core processing module connects with " F-CAN " interface of interface module, is data transmission bus between core processing module and interface module.

Contrast Fig. 4,3G communication module, " C-4V " is the power input interface of 3G communication module, and direct current 4V voltage, is powered by core processing module." C-T/R " is the data bus interface of 3G communication module, carries out data transmission with nucleus module.

Contrast Fig. 5, optical fiber communication modules, the power input interface that " D-3.3V " is optical fiber communication modules, direct current 3.3V power supply, is powered by core processing module.The data transmission bus interface that " D-DATA " is optical fiber communication modules, carries out data transmission with core processing module.

Contrast Fig. 6, display module, its structure comprises 240128 LCDs, display core control circuit.Equipment needs the content of display to be shown by 240128 LCDs, and display core control circuit controls displaying contents by carrying out data interaction with core processing module.The power input interface that " E-3.3V " is display module, direct current 3.3V power supply, is powered by core processing module.The data transmission bus interface that " E-T/R " is display module, carries out data transmission with core processing module.

Contrast Fig. 7-1,7-2,7-3,7-4, interface module, its structure comprises power-switching circuit, interface kernel treatment circuit, distant control function circuit, remote signaling function circuit, hands over and adopt functional circuit.The power input interface that " F-12V " is interface module, direct current 12V power supply, is powered by core processing module, is transferred to direct current 5V, the direct current 3.3V power supply of the inner needs of interface module by power-switching circuit.The data transmission bus interface that " F-CAN " is interface module, the core processing circuit of interface module inside carries out data transmission by this bus interface and core processing module, carrys out each functional circuit of control interface module thus and performs the function such as data acquisition, tripping operation combined floodgate.

Claims

1. An electricity consumption information collection terminal for power grid security measurement and control, which is characterized in that it includes a power supply module (A), a core processing module (B), a display module (E), an interface module (F), and a 3G communication module (C ), fiber optic communication module (D); wherein the A-12V power output terminal in the power module (A) is connected to the B-12VIN power input terminal in the core processing module (B), and the B in the core processing module (B) The -3.3V power output terminal is connected to the D-3.3V power input terminal in the optical fiber communication module (D) and the E-3.3V power input terminal in the display module (E), and the B-4V power output terminal in the core processing module The terminal is connected to the C-4V power input terminal of the 3G communication module (C), and the B-12VOUT power output terminal of the core processing module (B) is connected to the F-12V power input terminal of the interface module (F). The B-T/R0 data transmission bus in the core processing module (B) is connected to the E-T/R data transmission bus in the display module, and the B-T/R1 data transmission bus in the core processing module (B) is connected to the 3G communication module (C) The C-T/R data transmission bus in the core processing module (B) is connected to the D-DATA data transmission bus in the core processing module (B) and the D-DATA data transmission bus in the optical fiber communication module (D). The B-CAN data transmission bus connected with the F-CAN data transmission bus in the interface module (F).

2. A power consumption information collection terminal for power grid security measurement and control according to claim 1, characterized in that the power module includes a filter rectifier circuit, a power controller, and a transformer.

3. A power consumption information collection terminal for power grid security measurement and control according to claim 1, characterized in that the core processing module includes a CPU core processing circuit and a voltage conversion circuit.

4. A power consumption information collection terminal for power grid security measurement and control according to claim 1, characterized in that the interface module is equipped with 8 interface modules in total, and each interface module is equipped with 1 interface module. Control output interface, 2-way remote signal status input interface, 1 set of AC sampling input interface; 1-way control output interface is connected with the control switch of the user's power distribution cabinet; 2-way remote signal status input interface is connected with the control switch of the user's power distribution cabinet Auxiliary contacts are connected; 1 set of AC sampling input interface is connected with the output interface of the system analog power data circuit.