CN203896362U

CN203896362U - Universal power supply monitoring communication management module

Info

Publication number: CN203896362U
Application number: CN201420200658.2U
Authority: CN
Inventors: 尹涛; 葛晖; 王成进; 张可; 吴旻; 张令意; 王梓岚; 刘鸿涛; 余娟
Original assignee: ANHUI JIYUAN POWER SYSTEM TECHNOLOGY Co Ltd
Current assignee: Anhui Nanrui Jiyuan Power Grid Technology Co ltd
Priority date: 2014-04-24
Filing date: 2014-04-24
Publication date: 2014-10-22
Anticipated expiration: 2024-04-24

Abstract

The utility model provides a universal power supply monitoring communication management module, comprising an Hi3515 processor, a power supply module, a DDR2 (Double Data Rate 2) interface circuit, an SATA (Serial Advanced Technology Attachment) interface circuit, a CPLD (Complex Programmable Logic Device) circuit module and a communication interface module. The Hi3515 processor comprises a clock circuit, and a reset and watchdog circuit. The power supply module, the DDR2 interface circuit, the SATA interface circuit, the CPLD circuit module and the communication interface module are in connection with the Hi3515 processor. The universal power supply monitoring communication management module provides enough communication interfaces and communication management units supporting various communication protocols to meet requirements of a monitoring system.

Description

A kind of multiple power source monitoring communication management module

Technical field

The utility model relates to transformer station's integrated power supply supervisory control system, is specifically related to a kind of multiple power source monitoring communication management module.

Background technology

Integration power-supply system can provide safe and reliable working power for full station alternating current-direct current equipment.This system is mainly by ATS(Automatic transfer switching equipment, automatic power switched system), charhing unit, inversion unit, communication power supply, batteries and all kinds of monitoring management module form.The integrated power supply supervisory control system that the monitoring module of types of functionality unit forms adopts layer distributed framework, each function control module adopts integrated design, unified collocation, and each function control module operating condition and information data should adopt the modeling of IEC61850 standard access information unified platform.Realize each subelement of integrated power supply and disperse observing and controlling and centralized management, and the Real-Time Monitoring to integration power-supply system running state information.

Because each monitoring unit module placement disperses, communication interface is various, in integrated power supply supervisory control system, must there is one and can support multiple communication interface mode, access different monitoring modules, the communication management module that the module data collecting is processed and externally forwarded.

In current practical application, the equipment that integration power-supply system relates to is numerous, producer, and what adopt is the application that the mode of the system integration completes whole system, each device fabrication producer communication interface and agreement are inconsistent, therefore inevitably introduce many stipulations modular converters, cause the chaotic complexity of wiring and the wasting of resources in station, need one badly and can access numerous monitoring modules simultaneously and possess the communication management module of externally carrying out data retransmission function.

Utility model content

The problem that the utility model exists according to above-mentioned present situation, proposes a kind of multiple power source monitoring communication management module.

The solution that the utility model adopts is: a kind of multiple power source monitoring communication management module, comprise: Hi3515 processor, power module, DDR2(Double Data Rate 2, second generation double data rate) interface circuit, SATA(Serial Advanced Technology Attachment, Serial Advanced Technology Attachment) interface circuit, CPLD(Complex Programmable Logic Device, CPLD) module and communication interface modules, on described Hi3515 processor, comprise clock circuit, reset and watchdog circuit, described power module, DDR2 interface circuit, SATA interface circuit, CPLD circuit module is connected with described Hi3515 processor with communication interface modules.

Further, described communication interface modules comprises serial communication interface circuit and ethernet interface circuit, and described serial communication interface comprises 2 road RS232,2 road RS485 and 2 road CAN buses.

Further, described 2 road CAN bus interface expand by described CPLD circuit module.

Further, described CPLD circuit module adopts EPM240Y100, and it is SJA1000 that described CAN drives interface chip.

Further, described clock circuit is that electric capacity, resistance and crystal oscillator form, and described clock circuit input is connected with the XIN24 pin of described Hi3515 processor, and the output of described clock circuit is connected with the XOUT pin of described Hi3515 processor.

Further, the input of described reset and watchdog circuit is connected with the RSTN pin of described Hi3515 processor, and described reset signal is low level pulse, and the WDGRST pin of described Hi3515 processor produces low level pulse and is connected with system reset.

Further, the input of described power module is alternating voltage 220V, and output is direct voltage 15V.

The utility model has the advantages that: communication interface of the present utility model has comprised 2 road RS232,2 road RS485,2 road CAN buses, 2 road Ethernets, in actual applications, 1 road RS232 can be used as debug port, monitoring subset is articulated to 485 buses or CAN bus according to communication interface type, Ethernet interface can be divided into local area network (LAN) and wide area network, and local area network (LAN) is used for being configured, debugging and station equipment communication, and wide area network interface is used for correspondence with foreign country; The utility model provides abundant communication interface and supports the communications management unit of numerous communication protocol, meets the requirement of supervisory control system.

Accompanying drawing explanation

Fig. 1 is the power supply monitoring communication management module schematic diagram the utility model proposes;

Fig. 2 is the CPLD circuit modular structure schematic diagram the utility model proposes;

Fig. 3 is the clock circuit schematic diagram the utility model proposes;

Fig. 4 is clock circuit and the processor connection diagram the utility model proposes;

Fig. 5 is reset and the watchdog circuit schematic diagram the utility model proposes;

Fig. 6 is the DDR2 interface circuit schematic diagram the utility model proposes.

Embodiment

Referring to Fig. 1, it is the power supply monitoring communication management module schematic diagram the utility model proposes.

As shown in Figure 1, a kind of multiple power source monitoring communication management module, comprise: Hi3515 processor, power module, DDR2 interface circuit, SATA interface circuit, CPLD circuit module and communication interface modules, on described Hi3515 processor, comprise clock circuit, reset and watchdog circuit, described power module, DDR2 interface circuit, SATA interface circuit, CPLD circuit module is connected with described Hi3515 processor with communication interface modules.

Referring to Fig. 2, it is the CPLD circuit modular structure schematic diagram the utility model proposes.

As shown in Figure 2, described CPLD circuit module adopts EPM240Y100, and it is SJA1000 that described CAN drives interface chip.

In the utility model embodiment, adopt EPM240Y100 to realize CAN and drive being connected of interface chip SJA1000 and Hi3515, complete transfer of data and prevent that CAN from sending and reflect.

Referring to Fig. 3, Fig. 4, wherein Fig. 3 is the clock circuit schematic diagram the utility model proposes, and Fig. 4 is clock circuit and the processor connection diagram the utility model proposes.

As shown in Figure 3, Figure 4, described clock circuit is that electric capacity, resistance and crystal oscillator form, and described clock circuit input is connected with the XIN24 pin of described Hi3515 processor, and the output of described clock circuit is connected with the XOUT pin of described Hi3515 processor.

In the utility model embodiment, Hi3515 system clock, from the input of XIN24 pin, is supplied with inner PLL circuit, by Clock management module, produces the relevant clock that internal system needs.

Referring to Fig. 5, be reset and the watchdog circuit schematic diagram the utility model proposes.

As shown in Figure 5, the input of described reset and watchdog circuit is connected with the RSTN pin of described Hi3515 processor, and described reset signal is low level pulse, and the WDGRST pin of described Hi3515 processor produces low level pulse and is connected with system reset.

In the utility model embodiment, the reset signal input pin of Hi3515 is RSTN pin, what its reset useful signal required is low level pulse, and pulse duration requires to be greater than the crystal oscillator clock cycle (the general pulse duration resetting is 100ms ~ 300ms) of 12 XIN24 pin inputs.During plate design, for system stability, adopted special-purpose reset chip to produce reset signal, during reset Hi3515 system exception, Hi3515 can produce low level pulse by WDGRST pin, therefore WDGRST pin is connected to and on system reset, is used for the whole system that resets.

In the utility model embodiment, Hi3515 ddr interface is supported DDR2 standard interface, and interface level standard is STL-18.Hi3515 DDRC adopts two 16bit pellet designs.

In the utility model embodiment, it is close with clock chip that SATA interface requirement is avoided, and the reception signal lead of its differential lines can not be beaten via hole, and chip FANOUT out, directly walks top layer to connector, and differential lines requires strictly isometric; The transmitted signal of differential lines also tries not to beat via hole, and must be strictly isometric; In order to reduce crosstalking between difference transmission lines, the distance between centers of tracks of transmission line is at least 3 times of dielectric layer.

UART interface and ETH interface that serial communication and ethernet communication directly adopt Hi3515 to provide, in ETH circuit design, notice that PHY end MDIO will add pull-up resistor; For serial line interface, in original driver file, only have serial ports ttyAMA0 and ttyAMA1 serial ports that UART0 and UART1 are corresponding, the serial ports of Hi3515 is that carry is in AMBA bus, so serial equipment must be registered to AMBA bus, first initialization AMBA bus apparatus chained list, call _ _ driver_attach function is added into AMBA bus apparatus chained list by new equipment, according to said method adds UART2 and UART3, obtains corresponding serial ports ttyAMA2 and ttyAMA3.

Communication interface of the present utility model has comprised 2 road RS232,2 road RS485,2 road CAN buses, 2 road Ethernets, in actual applications, 1 road RS232 can be used as debug port, monitoring subset is articulated to 485 buses or CAN bus according to communication interface type, Ethernet interface can be divided into local area network (LAN) and wide area network, and local area network (LAN) is used for being configured, debugging and station equipment communication, and wide area network interface is used for correspondence with foreign country.

Administration module has embedded (SuSE) Linux OS, can move the application program of customization function, can manage all communication interfaces of administration module, application program is carried out data modeling to the monitoring submodule of access, and the communication protocol mating with monitoring submodule by operation obtains monitor data, application program can be carried out Treatment Analysis to monitor data according to demand, the model file generating can be described whole integrated power supply supervisory control system completely, externally by IEC61850 agreement, communicates; The utility model provides abundant communication interface and supports the communications management unit of numerous communication protocol, meets the requirement of supervisory control system.

Above a kind of multiple power source monitoring communication management module provided by the utility model is described in detail, applied specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.

Claims

1. a multiple power source is monitored communication management module, it is characterized in that, comprise: Hi3515 processor, power module, DDR2 interface circuit, SATA interface circuit, CPLD circuit module and communication interface modules, on described Hi3515 processor, comprise clock circuit, reset and watchdog circuit, described power module, DDR2 interface circuit, SATA interface circuit, CPLD circuit module is connected with described Hi3515 processor with communication interface modules.

2. a kind of multiple power source according to claim 1 is monitored communication management module, it is characterized in that: described communication interface modules comprises serial communication interface circuit and ethernet interface circuit, described serial communication interface comprises 2 road RS232,2 road RS485 and 2 road CAN buses.

3. a kind of multiple power source monitoring communication management module according to claim 2, is characterized in that: described 2 road CAN bus interface expand by described CPLD circuit module.

4. a kind of multiple power source monitoring communication management module according to claim 3, is characterized in that: described CPLD circuit module adopts EPM240Y100, and it is SJA1000 that described CAN drives interface chip.

5. a kind of multiple power source according to claim 1 is monitored communication management module, it is characterized in that: described clock circuit is that electric capacity, resistance and crystal oscillator form, described clock circuit input is connected with the XIN24 pin of described Hi3515 processor, and the output of described clock circuit is connected with the XOUT pin of described Hi3515 processor.

6. a kind of multiple power source according to claim 1 is monitored communication management module, it is characterized in that: the input of described reset and watchdog circuit is connected with the RSTN pin of described Hi3515 processor, described reset signal is low level pulse, and the WDGRST pin of described Hi3515 processor produces low level pulse and is connected with system reset.

7. a kind of multiple power source monitoring communication management module according to claim 1, is characterized in that: the input of described power module is alternating voltage 220V, and output is direct voltage 15V.