CN103576651B - A kind of electrical power control cabinet system operation method - Google Patents
A kind of electrical power control cabinet system operation method Download PDFInfo
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- CN103576651B CN103576651B CN201310529823.9A CN201310529823A CN103576651B CN 103576651 B CN103576651 B CN 103576651B CN 201310529823 A CN201310529823 A CN 201310529823A CN 103576651 B CN103576651 B CN 103576651B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
A kind of electrical power control cabinet system and operation method thereof, described electrical power control cabinet system includes: CPU module, mixed-media network modules mixed-media, signal acquisition module, display and input terminal, power supply input/output module and power supply handover module, Power Entry Module includes multiple input channel, power supply output module includes direct current output module and AC output module, described power supply handover module is connected with Power Entry Module, manually selects according to user, system presets or corresponding electric power loop is switched in circuit system by signal analysis result。The present invention is by the monitor in real time of central processing unit and signal pickup assembly, input at power supply controls and overcomes, in output control, the defect that Traditional control cabinet control accuracy is low, circuit can be avoided in time to cross the generation of stream, the situation such as under-voltage, the effective guarantee security performance of Circuits System, pass through to arrange various modes power supply is selected and switches simultaneously, ensured power supply safety and the power supply quality of system。
Description
Technical field
The invention belongs to Automation of Electric Systems and control technical field, be specifically related to a kind of electrical power control cabinet system and operation method thereof。
Background technology
Conventional power source switch board adopts air switch, earth leakage protective device and other auxiliary to join material composition; after assembling, electrician needs substantial amounts of wiring and with the corresponding hand-written definition (such as illumination, air-conditioning, wall socket etc.) indicating that certain air switch represents of paster; this integration mode determines it, and volume is big when mounted, wiring is numerous and diverse, error rate is high, inefficiency; if frequent operation, labeling have stained or lose after coming into operation, much numerous and diverse duplication of labour can be brought to maintenance。And air switch is fixing owing to its production model determines its current value that can pass through, and actually the operating current of electrical equipment is usually far smaller than the rated current that air switch can pass through, therefore air switch often can only play the effect controlling break-make, and the accurate control to electric current cannot be realized, thus electrical equipment because of under-voltage, cross the factors such as stream and cause the situation of damage only by adopting air switch effectively not avoid。When particularly in some power utilization environments complexity, such as machine room, reference room, Police Command Center, Surveillance center, special vehicle, special-purpose vehicle, yacht, steamer, small aircraft etc., conventional power source switch board often because causing the damage of some expensive equipments with the switching of electric line。As met with power-off at civil power, generator powered need to be switched to or when UPS powers, be easily caused total system power-off or device damage because circuit power is restricted, even cause immeasurable losses。
Summary of the invention
The technical purpose of the present invention is for prior art Problems existing and defect, it is provided that a kind of is capable of monitor in real time, is precisely controlled the power controling machine cabinet system of each channel voltage/electric current of circuit。
For realizing above-mentioned technical purpose, technical scheme provided by the invention is:
A kind of electrical power control cabinet system, it is characterised in that include consisting of part:
1) CPU module；
2) mixed-media network modules mixed-media, described CPU module is connected with host computer by mixed-media network modules mixed-media；
3) signal acquisition module, described signal acquisition module is connected with CPU module, and described signal acquisition module includes the detecting device of voltage or the electric current detecting each input or output channel；
4) display and input terminal, described display and input terminal are connected with CPU module；
5) Power Entry Module and output module, the input channel of described Power Entry Module includes one or more in mains-supplied passage, generator powered passage, UPS supplying channels and standby storage battery supplying channels, and described output module includes direct current output module and AC output module；
6) power supply handover module, described power supply handover module is connected with Power Entry Module, manually selects according to user, system presets or corresponding electric power loop is switched in circuit system by signal analysis result。
Further technical scheme includes:
This electrical power control cabinet system also includes ups system, described ups system includes UPS and controls module, UPS charging inversion module and accumulator battery, described UPS charging inversion module controls module with signal acquisition module, UPS respectively and power supply handover module is connected, and described accumulator battery is connected with UPS charging inversion module。
Described UPS charging inversion module adopts branch pattern, and alternating current one tunnel of input UPS charging inversion module is connected with accumulator battery, and a road is connected with alternating current output channel。
Being provided with uninterrupted output channel in the output channel of power supply output module, the general power of the uninterrupted output channel that employing ups system is powered controls within the 80% of UPS inverter power。
Described display and input terminal can adopt liquid crystal touch screen, there is display and the function of input simultaneously, and it is necessary to arrange standby mechanical keyboard, when meeting with extreme climate or touch screen from being damaged, operating function forfeiture, to complete the work of input instruction。
Described host computer is computer or mobile phone, described CPU module can be connected with computer by Ethernet or is connected with mobile phone by WIFI network, accordingly, upper PCs or be provided with terminal operation software in mobile phone, make user can carry out remotely monitoring and operation。
Native system is also provided with voice cue module and warning devices further, and described voice cue module and warning devices are connected with CPU module。
A kind of electrical power control cabinet system operation method, it is characterised in that comprise the following steps:
After system is run, CPU module gathers the signal of each power supply input channel, carries out selection and the switching of power supply input channel according to one of following Three models:
A, user manually select；
B, in the power channel having signal reaction, power according to the power supply that default selection priority level is the highest；
C, in the power channel having signal reaction, carry out quantitative analysis by the higher harmonic components of Fourier space transfer pair power supply, select in the optimum electric power loop incision system of on-the-spot power supply quality；
Power supply input channel described in above-mentioned steps includes one or more in mains-supplied passage, generator powered passage, UPS supplying channels and standby storage battery supplying channels。
Further technical scheme includes:
Each for system output channel is defined as and can be interrupted output channel or uninterrupted output channel by user as required, described uninterrupted output channel adopts ups system to power, the general power of uninterrupted output channel controls within the 80% of ups power inverter power, when the general power of user-defined uninterrupted output channel load is beyond after setting value, whether system is arranged reminds user to exceed standard the prompting step of operation。
Each passage is separately provided the work upper limit or the lower limit of curtage by user according to electrical equipment, when there are the abnormal conditions beyond limit value in circuit, CPU module passes through the corresponding passage of cut-off, and start warning devices and notify that staff processes in time, greatly reduce the probability of equipment damage。
In AC output module, when startup ups system carries out uninterrupted power supply, when central processing unit module monitors is to when having alternating current input ups system, this input current is divided into two-way export, one road direction system electrical equipment is directly powered, one tunnel exports and is charged to the accumulator battery of ups system, the voltage of CPU module monitor in real time accumulator battery, charge a battery when accumulator battery under-voltage condition, when accumulator battery closes this charge tunnel after being full of, accumulator battery is in a dormant state；When central processing unit module monitors to ups system does not have alternating current to input, accumulator battery is converted to inverter mode from resting state, and the exchange output channel of Xiang Zeding is powered。
Native system UPS inversion charging module adopts branch pattern, farthest the life-span of battery has been protected。Being fabricated onto of accumulator is destroyed association all the time and high pollution, and the prevailing model of current UPS is online, i.e. AC-DC-AC; common accumulator battery charge and discharge number of times is only 300-500 time; if accumulator battery is in running order all the time, the service life of accumulator can be greatly shortened, be unfavorable for environmental conservation。
The present invention is provided with the pattern of multiple choices and Switching power, user can select suitable power supply that Circuits System is powered by display and input terminal or master system, cabinet system can also select power supply voluntarily according to setting, it is prevented effectively from the generation of down circuitry, the situation such as under-voltage, the power supply safety of safeguards system and power supply quality。During cabinet system runs, the voltage of each passage, current signal are sent in CPU module and process by signal sampling module in real time, when in circuit, electrical equipment occurs abnormal, CPU module can cut off respective channel by relay timely, and start warning devices and send audible and visible alarm, and do not interfere with the normal operation of other passages。The present invention, compared with conventional cabinet system, has control accuracy height, monitor in real time, the timely advantage reacted, the safe operation of effective guarantee electrical equipment。
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of the present invention。
Detailed description of the invention
In order to illustrate technical scheme and technique effect, below in conjunction with specific embodiments and the drawings, the present invention is described further。
As it can be seen, a kind of electrical power control cabinet system, including consisting of part:
1) CPU module, built-in DSP high speed processing unit；
2) mixed-media network modules mixed-media, described CPU module is connected with master system foundation by the wireless network such as cable LAN or WIFI, and described host computer can be computer or mobile phone etc.；
3) signal acquisition module, described signal acquisition module is connected with CPU module。Signal acquisition module passes through voltage transformer and current transformer, the signal of telecommunication of each power supply input channel of collection site and output channel, and after being processed by independent chip, data are passed to CPU module, carry out monitor in real time, and data are shown on liquid crystal touch screen；
4) display and input terminal, described display and input terminal are connected with CPU module, can adopt liquid crystal touch screen terminal standby emergent mechanical keyboard；
5) power supply input and output module, Power Entry Module includes multiple input channel, and power supply output module is divided into direct current output module and AC output module。In the present embodiment, described direct current output module includes 12V output channel, 24V output channel and adjustable voltage output channel, and the voltage user of the output channel of adjustable voltage can be adjusted arranging by CPU module or upper computer software；Described AC output module includes some conventional output channel and uninterrupted output channel etc.。When system is run, the quantity of its output channel and title user can carry out self-defined according to demand。
6) power supply handover module, described power supply handover module is connected with Power Entry Module, manually selects according to user, system presets or selects in signal analysis result power supply at the scene, and is switched in circuit system by corresponding electric power loop and be powered；
7) ups system, described ups system includes UPS and controls module, UPS charging inversion module and accumulator battery, described UPS charging inversion module controls module with signal acquisition module, UPS respectively and power supply handover module is connected, and described accumulator battery is connected with UPS charging inversion module。And described UPS charging inversion module adopts branch pattern, alternating current one tunnel of input UPS charging inversion module is connected with accumulator battery, is used for charging, and a road is connected with alternating current output channel；
8) voice cue module and warning devices。
This electrical power control cabinet system supports that multiple input channels are simultaneously online, therefore Power Entry Module can arrange multiple input channel, the present embodiment selects the power supply input channel respectively mains-supplied passage, generator powered passage, UPS supplying channels and other the common standby storage battery supplying channels that arrange。
Native system running is as follows:
After electrical power control cabinet system start-up, carry out selection and the switching of power supply input channel according to one of following Three models:
A, user manually select；
B, in the power channel having signal reaction, power according to the power supply that default selection priority level is the highest；
C, in the power channel having signal reaction, carry out quantitative analysis by the higher harmonic components of software and hardware Fourier space transfer pair power supply, select in the optimum electric power loop incision system of on-the-spot power supply quality。
In handoff procedure, system can arrange the voice reminder of personalization。
CPU module receives the laggard row operation of data message that the detection chip of each passage is passed back, judge the electrical information of all input channels, civil power detected, electromotor, during the equal no-voltage of storage battery or when carrying out uninterrupted power supply pattern, start UPS and control module, ups system is accessed cabinet system, the accumulator battery of ups system carries out inversion output by UPS charging inversion module, what UPS adopted is pure sine wave output, system chooses the unsaturation silicon steel sheet transformator of powerful IGBT device and low magnetism leakage, no matter how input channel switches to make whole system, power-off switching time (switching time less than 30 millisecond less than 10 millisecond is fully achieved, AC electric equipment acquiescence non-stop run, will not power-off), the equipment that power reguirements is higher is properly functioning and work can be met, such as command centre, machine room etc.。
Consider inverter power, the restriction of the factors such as cost, situation according to electrical equipment, user can pass through the liquid crystal touch screen of master system or cabinet system, the output channel of AC and DC is defined, utilize software output channel to be divided into and can be interrupted output channel and uninterrupted output channel (user oneself chooses in software), and the work upper limit or the lower limit of independent current/voltage are set to each passage, independent limit value be disposed to some output channel electrical equipment work abnormal time, other passage is not impacted after making reaction timely by CPU module。The general power of uninterrupted output channel should be limited within the 80% of UPS inverter power, and time user carries out choosing definition passage, by arranging of software, native system can remind whether user exceeds standard。
After startup ups system is powered control:
In AC output module, CPU module has AC input (alternating current input) as monitored UPS inversion charging module, then it is divided into two-way to export, one tunnel exports to whole system, power to the electrical equipment of system, another road exports to the accumulator battery of ups system, and CPU module monitors accumulator battery voltage all the time by signal acquisition module, when monitoring accumulator battery and being under-voltage to battery charging, three stage charge modes (large current charge, absorption and floating charge) are followed in charging。After accumulator battery is fully charged, disconnecting charge tunnel, accumulator battery is in a dormant state。Central processing unit monitor UPS inversion charging module do not have AC input in, accumulator battery is converted to inverter mode immediately from resting state, powers for whole system, accumulator from resting state be converted to inverter mode need switching time less than 20 milliseconds。
In direct current output module, mainly adopting both of which output, AC-DC pattern and DC-DC pattern, both of which can switch mutually。When central processing unit module monitors to have input power be AC input time, the alternating current of input carries out inversion output by UPS charging inversion module, and utilize the unsaturation silicon steel sheet transformator of powerful IGBT device and low magnetism leakage to carry out AC-DC transformation, high-frequency rectification, voltage stabilizing is carried out after transformation, the linear direct current motor of high-quality is provided for system, powers for electrical equipment。CPU module monitor direct current output module do not have AC input in, system carries out DC-DC transformation again by the unsaturation silicon steel sheet transformator of powerful IGBT device and low magnetism leakage, and unidirectional current derives from accumulator battery or other standby storage battery etc. of ups system, carry out as required boosting or blood pressure lowering, the linear direct current motor of high-quality is provided for system, powers for electrical equipment。
According to the loading condition of electrical equipment in practical service environment, the UPS charging inversion module of the configurable different capacity of user。User can refer to the 120% of electrical equipment rated value when the protective current of each passage is configured and is configured。Time whole system runs, real-time operation information is transferred to CPU module by the detection chip of each passage, compare with the preset value of user after CPU module is calculated according to these operation informations, after noting abnormalities, at extremely short time internal cutting off faulty line, and notify that warning devices sends sound and light alarm, remind staff to carry out emergency processing。The response time of relay can be controlled within 10 milliseconds, with the safety of support personnel and electrical equipment, after line fault is got rid of, recovers line work state by liquid crystal touch screen one key operation。
In the present invention, input and output card module all adopts aviation plug as the connected mode of cable, safety, difficult drop-off, and easily installs, easily overhauls。Limited power input channel (as UPS power, generator powered, storage battery are powered) work time, user can be predisposed to some high-power passage (such as air-conditioning etc.) of positive closing by upper PCs software or mobile phone A PP terminal software, ensures that the equipment of important channel is properly functioning。
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described。Skilled person will appreciate that of the industry, the present invention is not restricted to the described embodiments, above-described embodiment and simply principles of the invention is described described in description, and without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications。Claimed scope is defined by appending claims, description and equivalent thereof。
Claims (1)
1. an electrical power control cabinet system operation method, it is characterised in that comprise the following steps:
After system is run, the signal of CPU module collection site power supply input channel, in the power supply input channel having signal reaction, carry out quantitative analysis by the higher harmonic components of Fourier space transfer pair power supply signal, select in the electric power loop incision system of on-the-spot power supply quality optimum；
Described power supply input channel includes one or more in mains-supplied passage, generator powered passage, UPS supplying channels and standby storage battery supplying channels；
Each for system output channel is defined as and can be interrupted output channel or uninterrupted output channel by user as required, described uninterrupted output channel adopts ups system to power, the general power of uninterrupted output channel controls within the 80% of ups power inverter power, when the general power of user-defined uninterrupted output channel load is beyond after setting value, whether system is arranged reminds user to exceed standard the prompting step of operation；
Each output channel is separately provided the work upper limit or the lower limit of curtage by user according to electrical equipment, and when the abnormal conditions beyond limit value occurs in circuit, CPU module passes through the corresponding passage of cut-off, and starts warning devices；
System power supply output module includes direct current output module and AC output module, in AC output module, when startup ups system carries out uninterrupted power supply, when central processing unit module monitors is to when having alternating current input ups system, the alternating current of input is divided into two-way export, one road direction system electrical equipment is directly powered, one tunnel exports and is charged to the accumulator battery of ups system, the voltage of CPU module monitor in real time accumulator battery, charge a battery when accumulator battery under-voltage condition, charge closing passage after accumulator battery is full of, accumulator battery is in a dormant state；When central processing unit module monitors to ups system does not have alternating current to input, accumulator battery is converted to inverter mode from resting state, and the exchange output channel of Xiang Zeding is powered。
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| CN103576651B true CN103576651B (en) | 2016-06-22 |
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| CN116278894B (en) * | 2023-03-16 | 2024-04-26 | 中国电建集团江西省电力设计院有限公司 | Electric automobile quick charging device driven by photovoltaic direct-current power generation system |
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Address after: Branch Center No. 2 moling Water Pavilion Road in Jiangning District of Nanjing City, Jiangsu province 211102 A9 Patentee after: Nanjing 31 Photoelectric Technology Co., Ltd. Address before: Branch Center No. 2 moling Water Pavilion Road in Jiangning District of Nanjing City, Jiangsu province 211102 A9 Patentee before: NANJING SANYI PHOTOVOLTAIC TECHNOLOGY CO., LTD. |