A kind of transformer station's integrated power supply supervisory control system and method
Technical field
The present invention relates to a kind of transformer station integrated power supply supervisory control system and method.
Background technology
Substation Station using electricity system comprises AC power supervisory control system, Direct Current Power Supervise Control System, electric power ac uninterrupted power supply supervisory control system, communication power supply supervisory control system etc., and existing integrated power supply supervisory control system exists following shortcoming:
(1) each apparatus for monitoring power supply may be by different suppliers production, install, and professional management also distributing different levels safeguards; Because the supply unit whole design idea of different manufacturers is inconsistent, there is technical disconnection inharmonious, running into a lot of problem when running debugging, sometimes even affecting the normal operation of equipment, particularly for intelligent substation and unattended power station, affect larger;
(2) due to the interpolation of the demand of systems soft ware, the increasing of measuring point, the software version of integration power-supply system and direct current may be caused, the software version of power-supply system such as to exchange and do not mate, cause the obstacle that interconnects, time serious, equipment cannot normally run;
(3) need to remodify configuration if slave computer changes the equipment of other types, then preserve parameter and restart and come into force, the technical requirement of mechanism to operating personnel of this configuration modification-preserve-restart is high, flexibility, poor compatibility;
(4) configuration of the man-machine interface of existing integrated power supply supervising device and transformer station, layout, wiring are a kind of close coupling patterns, each transformer station needs to develop a set of man-machine interface separately, the man-machine interface information of each transformer station can not be shown flexibly according to the requirement of transformer station, software portability is poor, cause workload large, difficult in maintenance;
(5) man-machine interface operation inconvenience, poor user experience and adaptability are not strong;
Therefore, a kind of integrated power supply supervisory control system that can solve the problem of design is badly in need of.
Summary of the invention
The present invention is in order to solve the problem, propose a kind of transformer station integrated power supply supervisory control system and method, native system makes user effectively can configure AC power according to the demand of transformer station, DC power supply, communication power supply, the information such as ups power, each transformer station can according to the winding diagram of each Power Supply Monitoring subsystem of configuration information Dynamic Announce and subsystem operation information, to on under rich interface, each substation supply unit communication network is intelligent, and whether Real-Time Monitoring integration power-supply system mates with the software version of host computer, configure without the need to manual modification.
To achieve these goals, the present invention adopts following technical scheme:
A kind of transformer station integrated power supply supervisory control system, comprise integrated power supply management system, integrated power supply management system connects DC power supply Monitor And Control Subsystem, AC power Monitor And Control Subsystem, communication power supply Monitor And Control Subsystem and electric power ac uninterrupted power supply Monitor And Control Subsystem, described integrated power supply management system comprises version Auto-matching module, adaptive communications module and dynamic configuration configuration module, wherein:
Described version Auto-matching module, for the software version of Real-Time Monitoring integrated management system and each monitoring unit;
Described adaptive communications module, is communicated with external environment condition by interface, for automatically identifying slave computer, completing the automatic identification of configuration file;
Described dynamic configuration configuration module, for according to the winding diagram of each monitoring unit of configuration information Dynamic Announce and operation information.
Described version Auto-matching module, comprises reading unit, statistic unit, judging unit and Tip element, wherein:
Described reading unit, for reading configuration file, obtains version matching table;
Described statistic unit, for according to the software version of system and slave computer type, inquires about the supporting version scope of slave computer from version matching table;
Described judging unit, according to the software version of slave computer whether within the scope of the supporting version of host computer, judges whether system can normally work, if cisco unity malfunction, sends a signal to Tip element;
Described Tip element, whether display system can normally be run.
Described adaptive communications module, comprises observation unit, self study unit and behavior unit; Described observation unit and self study unit communication, described self study unit communicates with behavior unit;
Described observation unit comprises message and internal system state, and the internal state according to system sends message from self study unit obtaining information to slave computer, and by the message that receives to self study unit;
Described self study unit comprises reasoning, information bank, study and policy library; Described self study unit receives the message of observation unit, formulates sending strategy, search corresponding transmission information in information bank by study and reasoning; The information of transmitting-receiving is learnt and reasoning, formulates corresponding collocation strategy;
Described behavior unit comprises adaptive configuration, data retransmission and packet scheduling; Collocation strategy according to study module is configured equipment, and the measuring point data received forwards to backstage according to dissimilar grouping by system.
Described observation unit comprises message elements and internal system state cell;
Described message elements refers to the data that system communicates with slave computer, data mutual between module;
Described internal system state cell comprise port do not configure, configure in, configured and started exception.
Described self study unit comprises the reasoning element, information bank, unit and the policy library that connect successively;
Described reasoning element refers to that the known message to receiving processes, and infers the type of slave computer;
Described information bank refers to the massage set of the slave computer that all systems are supported;
Described unit refers to observation to message, reasoning;
Described policy library comprises the sending strategy, sending strategy, collocation strategy, forwarding strategy, the grouping strategy after configuration successful that do not configure.
Described behavior unit comprises adaptive configuration subelement, data retransmission subelement and packet scheduling subelement;
Described adaptive configuration subelement according to the different Auto-matchings connecing equipment under system port, without the need to user's manual modification configuration file.
Described data retransmission subelement is used for measuring point data to forward backstage;
Described packet scheduling subelement is according to the transmission of the difference of data type, the number classifying type grouping of measuring point data.
Described dynamic configuration configuration module, comprises integrated power supply human and machine interface unit and communications management unit, and integrated power supply human and machine interface unit is communicated by network interface or serial ports with communications management unit.
Described communications management unit gathers the alarm logging of integrated power supply and sends integrated power supply man-machine interface and cloud computing center respectively to, cloud computing server is used to carry out data analysis, formed one include fault point feedback, fault level, accident cause, user area, time trend, triggering factors information statistical chart show in integrated power supply man-machine interface, described integrated power supply man-machine interface can also show Realtime Alerts record and history alarm logging.
Described dynamic configuration configuration module, the AC power Monitor And Control Subsystem information of configuration comprises ATS module, control module, incoming line module, busbar modules, feeder line number, bus connection switch and annexation configuration information.
Automatic transfer switching electric appliance (Automatic transfer switching equipment is called for short ATS).
Described dynamic configuration configuration module, the DC power supply Monitor And Control Subsystem information of configuration comprises battery inspection, charging module, insulation monitoring module, bus, inlet wire, feeder line number, regulator, fuse, lightning arrester, bus connection switch, charge switch and connection relation information.
Described dynamic configuration configuration module, the communication power supply Monitor And Control Subsystem information of configuration comprises battery inspection, charging module, insulation monitoring module, bus, inlet wire, feeder line number, fuse, lightning arrester, bus connection switch, charge switch and connection relation information.
Described dynamic configuration configuration module, the inverter Monitor And Control Subsystem packets of information of configuration is containing inversion number, INV number, bus, inlet wire, bus connection switch, lightning arrester, fuse and connection relation information.
Described DC power supply Monitor And Control Subsystem, communication power supply Monitor And Control Subsystem includes: power backup battery pack Monitor And Control Subsystem, described power backup battery pack Monitor And Control Subsystem comprises: some Battery pack interfaces, every Battery pack interface is all connected with cell, described battery interface battery interface adjacent thereto is connected by switch, battery interface sorts from left to right, sequence is that the battery interface odd number battery interface adjacent thereto of odd number is connected by by-pass switch, the battery interface even number battery interface adjacent thereto that sequence is even number connects, all switch controlled units control, described control unit, the closure state of each switch of real-time detection, and according to the conducting of battery information control switch and closedown.
Described every Battery pack interface is divided into anode interface and negative pole interface, and every Battery pack interface is all connected with the positive and negative polarities of cell,
I-th Battery pack interface B
ipositive/negative interface all with the i-th+1 Battery pack interface B
i+1negative/anode interface passes through switch S
iconnect,
I-th Battery pack interface B
inegative/anode interface all with the i-th-1 Battery pack interface B
i-1positive/negative interface pass through switch S
i-1connect,
I-th-1 Battery pack interface B
i-1positive/negative interface all with the i-th+1 Battery pack interface B
i+1negative/anode interface is by the by-pass switch C of series connection
i-1be connected with protective circuit;
Wherein, 1 < i < n, n is the group number of battery interface, and i is positive integer;
Described switch is connected with drive circuit, and described by-pass switch is connected with drive circuit, and described drive circuit is connected with control unit; Described control unit, detects in real time the closure state of each switch, and according to the conducting of battery information control switch and closedown.
Power backup batteries charging information based on said system controls the method for the charging utilance of battery backup in real time, it is characterized in that: comprise the steps:
Step 1): battery discharge, detects monomer battery voltage;
Step 2): judge minimum monomer battery voltage V
minwhether be less than discharge regime battery and switch threshold value V
low, if represent that this batteries has entered latter stage of discharging, capacity is about to give out light, and just enters step 3; Just return step 1 if not);
Step 3): judge whether the condition meeting electric discharge excision, namely judge present battery group total voltage V
totalwhether be greater than the minimum supply power voltage V that vehicle power module requires
in, if just enter step 4); Just enter step 5 if not);
Step 4): the battery cutting away brownout, upgrades minimum monomer battery voltage V
min, preserve excision state information; Enter step 5);
Step 5): judge battery electric quantity whether lower than the minimum operating voltage of load, if just enter step 6); Just return step 1 if not);
Step 6): battery charges, and detects monomer battery voltage, enters step 7);
Step 7): judge most high monomer cell voltage V
maxwhether be greater than charging stage battery and switch threshold value V
high, if represent that this batteries has entered latter stage of charging, capacity is about to be full of, and just enters step 8); Just return step 6 if not);
Step 8): judge whether to meet charging excision condition, namely judge present battery group total voltage V
totalwhether be greater than charger minimum output voltage V
charge, if just enter step 9); Just enter step 10 if not);
Step 9): cut away this batteries, upgrade most high monomer cell voltage V
max, preserve excision state information; Enter step 10);
Step 10): judge whether battery is full of, if just return step 1); Just enter step 7 if not).
Described step 4) in cut away the battery of brownout detailed process be: brownout battery is cut away from battery pack, the by-pass switch C of this batteries first closed
i-1, impact circulation when protective circuit absorbs closed, avoids battery short circuit; Then by the switching circuit S at these batteries two ends
i-1and S
idisconnect, battery is excised in battery pack.
Based on the software method of automatic configuration of said system, comprise the following steps:
(1) version Auto-matching module reads configuration file, obtains version matching table;
(2) information obtained is added up, the software version of register system, the software version of slave computer and slave computer type;
(3) according to software version and the slave computer type of system, from version matching table, the supporting version scope of slave computer is inquired about;
(4) if the software version of the slave computer of docking is higher than the supporting version range limit of host computer, then slave computer reports measuring point number to be greater than the measuring point of system log (SYSLOG) value, host computer still processes measuring point that slave computer reports but abandons the measuring point of the many reports of slave computer, can normally work with guarantee system, and point out related personnel's upper computer software version low, host computer of upgrading as early as possible;
(5) if the software version of the slave computer of docking is lower than the supporting version range lower limit of host computer, then slave computer reports measuring point number to be less than the measuring point of system log (SYSLOG) value, host computer still processes the measuring point that slave computer reports, can normally work with guarantee system, and point out related personnel's slave computer software version low, slave computer of upgrading as early as possible;
(6) system works on.
Based on the dynamic configuration man-machine interface collocation method of said system, comprise the following steps:
(1) equipment self-inspection, system initialization;
(2) reading system original configuration file information, judges whether described profile information reads successfully; If so, described original configuration file information shows at human-computer interaction device end, otherwise, check or amendment configuration file errorless after again read;
(3) set up the communication between human-computer interaction device and communication management module, check whether communication is normal; If normal, the data that human-computer interaction device received communication administration module sends, by external equipment information display to man-machine interface;
(4) check whether current configuration information meets the specific requirement of transformer station, if met, layoutprocedure terminates, if undesirable, then enter step (5) and reconfigures system information,
(5) reconfigure system information at human-computer interaction device end, and described configuration information is saved in configuration file;
(6) and the data message configured is sent to communication management module, restart communication management module, layoutprocedure terminates.
The system information reconfigured in described step (5) comprises: DC power supply Monitor And Control Subsystem, AC power Monitor And Control Subsystem, communication power supply Monitor And Control Subsystem and inverter Monitor And Control Subsystem information.
The system information reconfigured in described step (5) also comprises: serial ports configuration and network interface configuration;
Described serial ports is configured for the serial ports number of the actual use of configuration supply unit, to connect corresponding sub-supervisory control system;
Described network interface is configured for IP address, the Mac address of configuration machine network interface, and the information whether this IP address is enabled.
Beneficial effect of the present invention is:
(1) will entirely to stand unified collocation, the integrated monitorings such as interchange, direct current, UPS, communication, by each for station power supply subsystem communication network, more manageability; Enrich upper interface protocol, select kind many to lower communication hardware interface, extensibility is strong;
(2) adopt cognitive adaptive communications mechanism when communicating with sub-supervisory control system, convenient, flexible use, can improve maintenance efficiency;
(3) mechanism during use SNTP couple, with time synchronized of entirely standing; The method that software version is automatically compatible, grasps the match condition of the software version of host computer and the software version of slave computer in time, avoids due to the incompatible situation causing system normally to run;
(4) cost is low, simple to operate, adaptable, and Consumer's Experience is good, and software recycling is worth high, and user can arrange configuration information of transformer substation according to particular demands, shows corresponding transformer station subsystem interfaces fast;
(5) without the need to manual preparation, by automatically slave computer can be adapted to the cognition of interactive information;
(6) information bank, policy library can add according to different demands flexibly or delete, and facilitate the expansion of user interface.
Accompanying drawing explanation
Fig. 1 is integration power-supply system structural representation of the present invention;
Fig. 2 is adaptive communications modular structure schematic diagram of the present invention;
Fig. 3 is software method of automatic configuration schematic flow sheet of the present invention;
Fig. 4 is transformer station of the present invention power backup battery pack Monitor And Control Subsystem structural representation;
Fig. 5 is the method flow diagram of power backup batteries charging utilance of the present invention;
Fig. 6 is dynamic configuration man-machine interface collocation method flow chart of the present invention.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 1, this system comprises AC power monitoring, DC power supply is monitored, communication power supply is monitored, electric power ac uninterrupted power supply is monitored.Integration power-supply system is communicated with each supervising device by RS485 or RS232 or network interface,
Integration power-supply system is by IEC61850 or 103 or CDT or MODBUS protocol mode and background communication.
This system will be stood unified collocation, the integrated monitorings such as interchange, direct current, UPS, communication entirely, by each for station power supply subsystem communication network.
Cognitive adaptive communications mechanism is adopted when this system communicates with sub-supervisory control system, without the need to manual modification configuration, flexible during use, improve configuring maintenance efficiency.
Mechanism during this system use SNTP couple, with time synchronized of entirely standing.
Intelligent integral power-supply system, comprises AC power monitoring, DC power supply monitoring, communication power supply monitoring, electric power ac uninterrupted power supply monitors.Integration power-supply system and direct current, adopt the mode of master-slave communication when the devices communicating such as to exchange, integrated power supply equipment is host computer, and the power-supply device such as direct current, interchange is slave computer.As shown in Figure 1, integration power-supply system is communicated with slave computer by RS485 or RS232 or network system configuration, and integration power-supply system is communicated with backstage (computer, device etc.) by IEC61850 or 103 or CDT or MODBUS mode.
This integration power-supply system will be stood interchange, direct current, communication, the unified management of ups power device entirely, realize unified collocation, integrated monitoring, by each substation supply unit communication network.This system is enriched upper interface protocol, selects kind many to lower communication hardware interface.
Adopt cognitive adaptive communications mechanism when this system communicates with sub-supervisory control system, user is without the need to operative configuration manual on equipment.The message that system software analysis process communicates with slave computer, accomplishes the type connecing equipment under automatically identifying, sets up correct in lower communication link.The method easy to use and flexible is low to user of service's technical requirement.
Mechanism during this system use SNTP couple, with time synchronized of entirely standing.
Due to the interpolation of the demand of systems soft ware, the increasing of measuring point, may cause the software version of integration power-supply system and direct current, the software version of power-supply system such as exchange and do not mate, equipment cannot normally run.For this problem, this system with the addition of software version Auto-matching function.Concrete steps as shown in Figure 3.
If the software version of slave computer does not mate with the software version of this system, can ensure that basic function normally uses, make the software version of the software version of native system and slave computer automatically compatible.
(1) version Auto-matching module reads configuration file, obtains version matching table;
(2) information obtained is added up, the software version of register system, the software version of slave computer and slave computer type;
(3) according to software version and the slave computer type of system, from version matching table, the supporting version scope of slave computer is inquired about;
(4) if the software version of the slave computer of docking is higher than the supporting version range limit of host computer, then slave computer reports measuring point number to be greater than the measuring point of system log (SYSLOG) value, host computer still processes measuring point that slave computer reports but abandons the measuring point of the many reports of slave computer, can normally work with guarantee system, and point out related personnel's upper computer software version low, host computer of upgrading as early as possible;
(5) if the software version of the slave computer of docking is lower than the supporting version range lower limit of host computer, then slave computer reports measuring point number to be less than the measuring point of system log (SYSLOG) value, host computer still processes the measuring point that slave computer reports, can normally work with guarantee system, and point out related personnel's slave computer software version low, slave computer of upgrading as early as possible;
(6) system works on.
Basic function from the angle cognition of communication system comprises: observation, study, memory, decision-making, namely makes response to the information obtained and current observed result.The object of the invention is: the flexibility and reliability communication of meeting consumers' demand.
Cognitive system is made up of two large critical pieces: environment and the intelligent system be in environment.Intelligent system learns the effect of environment to himself by observing, and intelligent system reacts on environment by its behavior simultaneously.
In cognitive ring model in this paper, intelligent system is defined as: for realizing certain communication target and complementary network node, concrete as power equipment, single assembly; Environment is external environment condition and internal environment, and external environment condition comprises external equipment, network, and the event that internal environment triggers for intelligent system is inner and internal state.Intelligent system is by perception to obtain the information of external interface, and the event and state of intelligent system inside can directly be known.The behavior of intelligent system by the strategy that learns determined, and the information that learning process is obtained from environment by the determined effectiveness of optimization aim and the intelligent system of layering or cross-layer determines jointly.Behavior acts on external environment condition on the one hand, also acts on internal environment on the other hand.
Cognitive adaptive communications mechanism is mainly reflected in system starting process, configures and no longer change after normal program operation.
Information bank comprises the configurable device type of system, and the table of receiving and sending messages that these types are corresponding.
Information bank, policy library are preserved and can be added flexibly according to different demands or delete hereof, facilitate the expansion of user interface.
As shown in Figure 2, a kind of adaptive communication system of cognition, comprising: intelligent system, and described intelligent system is communicated with external environment condition by interface;
Described intelligent system comprises observation unit, self study unit and behavior unit; Described observation unit and self study unit communication, described self study unit communicates with behavior unit;
Described observation unit comprises message and internal system state, and the internal state according to system sends message from self study unit obtaining information to slave computer, and by the message that receives to self study unit;
Described self study unit comprises reasoning, information bank, study and policy library; Described self study unit receives the message of observation unit, formulates sending strategy, search corresponding transmission information in information bank by study and reasoning; The information of transmitting-receiving is learnt and reasoning, formulates corresponding collocation strategy;
Described behavior unit comprises adaptive configuration, data retransmission and packet scheduling; Collocation strategy according to study module is configured equipment, and the measuring point data received forwards to backstage according to dissimilar grouping by system.
Described observation unit comprises message elements and internal system state cell;
Described message elements refers to the data that system communicates with slave computer, data mutual between module;
Described internal system state cell comprise port do not configure, configure in, configured and started exception.
Described self study unit comprises the reasoning element, information bank, unit and the policy library that connect successively;
Described reasoning element refers to that the known message to receiving processes, and infers the type of slave computer;
Described information bank refers to the massage set of the slave computer that all systems are supported;
Described unit refers to observation to message, reasoning;
Described policy library comprises the sending strategy, sending strategy, collocation strategy, forwarding strategy, the grouping strategy after configuration successful that do not configure.
Described behavior unit comprises adaptive configuration subelement, data retransmission subelement and packet scheduling subelement;
Described adaptive configuration subelement according to the different Auto-matchings connecing equipment under system port, without the need to user's manual modification configuration file.
Described data retransmission subelement is used for measuring point data to forward backstage;
Described packet scheduling subelement is according to the transmission of the difference of data type, the number classifying type grouping of measuring point data.
The system information that dynamic configuration configuration module reconfigures comprises: AC power supply system information, DC power system information, power supply system for communications information and ups power information.
Based on an integrated power supply monitoring human-computer interface collocation method of MCGS, as shown in Figure 6, concrete steps are as follows:
1. first perform step S10, equipment self-inspection, system initialization, then perform step S20, read original configuration file information.Then step S30 is performed.
2. in S30 step, judge whether file reads successfully, if so, enter the display of human-computer interaction device end according to original configuration information, perform step S40.
3. in step s 40, whether main inspection human-computer interaction device communicates normal with communication management module, human-computer interaction device, i.e. man-machine administration module, communication management module and communication management module.Communication is normal, performs step S50.Communicate abnormal, check whether good human-computer interaction device is connected with communication management module.
4. in step s 50, in this human-computer interaction device end, communicate with communication management module according to human-computer interaction device ModBus, the data that the data that communication management module (for communication processor) forwards main website transmission issue with reception human-computer interaction device, these data are used to the information of displaying external equipment (such as: remote measurement is numerical value (magnitude of voltage: 110KV, electricity value: 50A etc.), remote signalling be switching value (0, separately; 1, closed).Whether the object sending data is in order to presentation device information is to man-machine interface, can show this equipment normally run according to data; Receive data in human-computer interaction device (for man-machine interface) termination to show.The data message shown in inspection man-machine interface, enters step S60.
5. in step S60, according to the requirement of transformer station, check current configuration information, check Substation Design requirement, if undesirable, then need to reconfigure system information, perform step S70; If met the requirements, terminate layoutprocedure.
6., in step S70, in human-computer interaction device end configuration-system information, enter step S80.
7. in step S80, tissue arranges the data such as serial ports, network interface, performs step S90.
8. in step S90, according to the data message put in order, be transmitted to communication management module, perform step SA0.
9., in step SA0, preserve configuration information in file, then restart communication management module, whole layoutprocedure is complete.
The system information reconfigured comprises: AC power supply system information, DC power system information, power supply system for communications information and inverter information.
The configurable N1 of AC power supply system (N1 >=1) overlaps Monitor And Control Subsystem, and Monitor And Control Subsystem comprises the configuration informations such as ATS module, control module, incoming line module, busbar modules, feeder line number, bus connection switch, annexation.Automatically can generate K1 (K1 >=1) according to above-mentioned configuration and overlap AC system scheme, every sets of plan is to enrich the annexation between primitive information and pel of showing AC power supply system at power transformation station owner interface.
The configurable N2 of DC power system (N2 >=1) individual Monitor And Control Subsystem and the secondary monitoring of M2 (M2 >=1) cover, Monitor And Control Subsystem contains the information such as battery inspection, charging module, insulation monitoring module, bus, inlet wire, feeder line number, regulator, fuse, lightning arrester, bus connection switch, charge switch and annexation.Secondary monitoring can only configure charging module and charge switch number.Automatically can generate K2 (K2 >=1) according to above-mentioned configuration and overlap AC system scheme, every sets of plan is to enrich the annexation between primitive information and pel of showing DC power system at power transformation station owner interface.
The configurable N3 of the power supply system for communications (N3 >=1) individual Monitor And Control Subsystem, Monitor And Control Subsystem contains the information such as battery inspection, charging module, insulation monitoring module, bus, inlet wire, feeder line number, fuse, lightning arrester, bus connection switch, charge switch and annexation.Automatically can generate K3 (K3 >=1) according to above-mentioned configuration and overlap power supply system for communications scheme, every sets of plan is to enrich the annexation between primitive information and pel of showing the power supply system for communications at power transformation station owner interface.
The total monitoring of the configurable N4 of ups power (N4 >=1) cover and M4 (M4 >=1) overlap Monitor And Control Subsystem, comprise the information such as UPS number, INV number, bus, inlet wire, bus connection switch, lightning arrester, fuse and annexation in total monitoring and sub-supervisory control system.Automatically can generate K4 (K4 >=1) according to above-mentioned configuration and overlap ups power system schema, every sets of plan is to enrich the annexation between primitive information and pel of showing ups power system at power transformation station owner interface.
The value of N1-N4 above-mentioned, M2, M4 and K1-K4 can be equal, also can be unequal.
In system configuration, also need to be configured serial ports and network interface, serial ports configuration is configured the serial ports number of actual for supply unit use, to connect corresponding sub-supervisory control system.By the Serial Port Information of configuration by preserving and being handed down to communications management unit.Network interface is configured for IP address, the Mac address of configuration machine network interface, and the information whether this IP address is enabled, and whether network interface is used to debug this equipment transceiving data on the one hand normal, is used to communicate with main website or backstage on the other hand.Network interface only need carry out relative set by when the IP address of network interface and Mac address and SNTP (or B code) pair, then preserves and issues.
As shown in Figure 4, described DC power supply Monitor And Control Subsystem, communication power supply Monitor And Control Subsystem includes: power backup battery pack Monitor And Control Subsystem, described power backup battery pack Monitor And Control Subsystem comprises: some Battery pack interfaces, every Battery pack interface is all connected with cell, described battery interface battery interface adjacent thereto is connected by switch, battery interface sorts from left to right, sequence is that the battery interface odd number battery interface adjacent thereto of odd number is connected by by-pass switch, the battery interface even number battery interface adjacent thereto that sequence is even number connects, all switch controlled units control, described control unit, the closure state of each switch of real-time detection, and according to the conducting of battery information control switch and closedown.
Described every Battery pack interface is divided into anode interface and negative pole interface, and every Battery pack interface is all connected with the positive and negative polarities of cell,
I-th Battery pack interface B
ipositive/negative interface all with the i-th+1 Battery pack interface B
i+1negative/anode interface passes through switch S
iconnect,
I-th Battery pack interface B
inegative/anode interface all with the i-th-1 Battery pack interface B
i-1positive/negative interface pass through switch S
i-1connect,
I-th-1 Battery pack interface B
i-1positive/negative interface all with the i-th+1 Battery pack interface B
i+1negative/anode interface is by the by-pass switch C of series connection
i-1be connected with protective circuit;
Wherein, 1 < i < n, n is the group number of battery interface, and i is positive integer;
Described switch is connected with drive circuit, and described by-pass switch is connected with drive circuit, and described drive circuit is connected with control unit; Described control unit, detects in real time the closure state of each switch, and according to the conducting of battery information control switch and closedown.
As shown in Figure 5, the power backup batteries charging information based on said system controls the method for the charging utilance of battery backup in real time, it is characterized in that: comprise the steps:
Step 1): battery discharge, detects monomer battery voltage;
Step 2): judge minimum monomer battery voltage V
minwhether be less than discharge regime battery and switch threshold value V
low, if represent that this batteries has entered latter stage of discharging, capacity is about to give out light, and just enters step 3; Just return step 1 if not);
Step 3): judge whether the condition meeting electric discharge excision, namely judge present battery group total voltage V
totalwhether be greater than the minimum supply power voltage V that vehicle power module requires
in, if just enter step 4); Just enter step 5 if not);
Step 4): the battery cutting away brownout, upgrades minimum monomer battery voltage V
min, preserve excision state information; Enter step 5);
Step 5): judge battery electric quantity whether lower than the minimum operating voltage of load, if just enter step 6); Just return step 1 if not);
Step 6): battery charges, and detects monomer battery voltage, enters step 7);
Step 7): judge most high monomer cell voltage V
maxwhether be greater than charging stage battery and switch threshold value V
high, if represent that this batteries has entered latter stage of charging, capacity is about to be full of, and just enters step 8); Just return step 6 if not);
Step 8): judge whether to meet charging excision condition, namely judge present battery group total voltage V
totalwhether be greater than charger minimum output voltage V
charge, if just enter step 9); Just enter step 10 if not);
Step 9): cut away this batteries, upgrade most high monomer cell voltage V
max, preserve excision state information; Enter step 10);
Step 10): judge whether battery is full of, if just return step 1); Just enter step 7 if not).
Step 4) in cut away the battery of brownout detailed process be: brownout battery is cut away from battery pack, the by-pass switch C of this batteries first closed
i-1, impact circulation when protective circuit absorbs closed, avoids battery short circuit; Then by the switching circuit S at these batteries two ends
i-1and S
idisconnect, battery is excised in battery pack.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.