CN103576651A - Power supply control cabinet system and operation method thereof - Google Patents
Power supply control cabinet system and operation method thereof Download PDFInfo
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- CN103576651A CN103576651A CN201310529823.9A CN201310529823A CN103576651A CN 103576651 A CN103576651 A CN 103576651A CN 201310529823 A CN201310529823 A CN 201310529823A CN 103576651 A CN103576651 A CN 103576651A
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Abstract
The invention provides a power supply control cabinet system and an operation method of the power supply control cabinet system. The power supply control cabinet system comprises a central processing unit module, a network module, a signal collection module, a displayer, an input terminal, a power input module, a power output module and a power supply switching module, wherein the power input module comprises a plurality of input channels, the power output module comprises a direct-current output module and an alternating-current output module, and the power supply switching module is connected with the power input module and switches a corresponding power supply loop into a system circuit according to user hand-operated selection or system presetting or a signal analysis result. By means of real-time monitoring of a central processing unit and a signal collection device, the defect that a traditional control cabinet is low in control accuracy is overcome in terms of input control and output control of power supplies, the situation that the over-current and the under voltage happen to circuit and other situations can be timely prevented, safety performance of a circuit system is effectively ensured, and meanwhile power supply safety and power supply quality of the system is ensured by setting multiple modes to conduct selection and switching on the power supplies.
Description
Technical field
The invention belongs to Automation of Electric Systems control technology 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 material of joining to form; after assembling, electrician needs a large amount of wiring and with the hand-written definition (as illumination, air-conditioning, wall socket etc.) that indicates certain air switch representative of corresponding paster; this integration mode has determined it, and volume is large when mounted, wiring is numerous and diverse, error rate is high, inefficiency; if frequent operation, labeling have stained or lose after coming into operation, can bring much numerous and diverse duplication of labour to maintenance.And air switch due to its production model determined its current value that can pass through fix, and in fact the working current of consumer is usually far smaller than the rated current that air switch can pass through, therefore air switch often can only play the effect of controlling break-make, and cannot realize the accurate control to electric current, thereby consumer causes the situation of damage only by adopting air switch effectively not avoid because of factors such as under-voltage, overcurrents.Under some power utilization environment complicated situations, 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 tends to because cause the damage of some expensive equipments with the switching of electric line.As met with power-off at civil power, in the time of need switching to generator powered or UPS power supply, because circuit power is restricted, easily cause total system power-off or device damage, even cause immeasurable losses.
Summary of the invention
Technical purpose of the present invention is problem and the defect existing for prior art, and a kind of power controling machine cabinet system that can realize real-time monitoring, accurate each channel voltage/electric current of control circuit is provided.
For realizing above-mentioned technical purpose, technical scheme provided by the invention is:
A system, is characterized in that, comprises following ingredient:
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 comprises that detection respectively inputs or outputs the voltage of passage or the pick-up unit of electric current;
4) display and entry terminal, described display and entry terminal are connected with CPU module;
5) Power Entry Module and output module, the input channel of described Power Entry Module comprises that mains-supplied passage, generator powered passage, UPS confession electric channel and standby storage battery supply one or more in electric channel, and described output module comprises direct current output module and AC output module;
6) electrical source exchange module, described electrical source exchange module is connected with Power Entry Module, according to user manually select, system presets or signal analysis result switches to respective electrical resource loop in circuit system.
Further technical scheme comprises:
This electrical power control cabinet system also comprises ups system, described ups system comprises UPS control module, UPS charging inversion module and battery pack, described UPS charging inversion module is connected with signal acquisition module, UPS control module and electrical source exchange module respectively, and described battery pack is connected with UPS charging inversion module.
Described UPS charging inversion module adopts pattern along separate routes, and alternating current one tunnel of input UPS charging inversion module is connected ，Yi road and is connected with alternating current output channel with battery pack.
In the output channel of power supply output module, be provided with uninterrupted output channel, adopt the general power of the uninterrupted output channel of ups system power supply be controlled at UPS inverter power 80% in.
Described display and entry terminal can adopt liquid crystal touch screen, there is the function that shows and input simultaneously, and be necessary to arrange standby mechanical keyboard, with in the situation that meeting with extreme climate or touch screen from being damaged, operating function forfeiture, complete the work of input instruction.
Described host computer is computing machine or mobile phone, described CPU module can be connected with computing machine by Ethernet or be connected with mobile phone by WIFI network, accordingly, terminal operation software is installed in host computer computing machine or mobile phone, makes user can carry out remote monitoring and operation.
Native system is also further provided with voice cue module and alarm device, and described voice cue module is connected with CPU module with alarm device.
A system operation method, is characterized in that, comprises the following steps:
After system operation, 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 kinds of patterns:
A, user manually select;
B, in having the power channel of signal reaction, according to the default the highest Power supply of priority level of selecting;
C, in having the power channel of signal reaction, by the higher harmonic components of Fourier series transfer pair power supply, carry out quantitative test, select in the electric power loop incision system of on-the-spot power supply quality optimum;
Power supply input channel described in above-mentioned steps comprises that mains-supplied passage, generator powered passage, UPS confession electric channel and standby storage battery supply one or more in electric channel.
Further technical scheme comprises:
User is defined as each output channel of system as required and can be interrupted output channel or uninterrupted output channel, described uninterrupted output channel adopts ups system power supply, the general power of uninterrupted output channel be controlled at ups power inverter power 80% in, the general power of loading when user-defined uninterrupted output channel exceeds after setting value, and system arranges the prompting step whether reminding user exceeds standard and operate.
User arranges separately the work upper limit or the lower limit of curtage to each passage according to consumer, when circuit occurs exceeding the abnormal conditions of limit value, central processing unit is by the corresponding passage of cut-off, and start alarm device and notify staff to process 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 when having alternating current input ups system, this input current is divided into two-way to be exported, one road direction system consumer is directly powered, one tunnel is exported to the battery pack of ups system and is charged, CPU module is monitored the voltage of battery pack in real time, when battery pack under-voltage condition, charge a battery, after battery pack is full of, close this charge tunnel, battery pack is in dormant state; When central processing unit module monitors does not have alternating current input to UPS electric power system, battery pack is converted to inverter mode from dormant state, the interchange output channel power supply of Xiang Zeding.
Native system UPS inversion charging module adopts pattern along separate routes, farthest the life-span of battery is protected.Being fabricated onto of accumulator destroyed association all the time and high pollution, and the prevailing model of current UPS is online, i.e. AC-DC-AC; it is only 300-500 time that common battery pack charges and discharge number of times; if battery pack is in running order all the time, can greatly shorten the serviceable life of accumulator, be unfavorable for environmental protection.
The present invention is provided with the pattern of multiple choices and Switching power, user can select suitable power supply to power to Circuits System by display and entry terminal or master system, cabinet system also can be selected power supply voluntarily according to setting, effectively avoid the generation of down circuitry, the situation such as under-voltage, the power supply safety of safeguards system and power supply quality.Cabinet system is in service, signal sampling module is sent to the voltage of each passage, current signal in CPU module and processes in real time, in circuit, consumer occurs when abnormal, CPU module can be cut off respective channel by relay timely, and start alarm device and send audible and visible alarm, and do not hinder the normal operation of other passages.The present invention compares with conventional cabinet system, has advantages of high, the real-time monitoring of control accuracy, reaction in time, the safe operation of effective guarantee consumer.
Accompanying drawing explanation
Fig. 1 is electrical block diagram of the present invention.
Embodiment
In order to illustrate technical scheme of the present invention and technique effect, below in conjunction with specific embodiments and the drawings, the present invention is described further.
As shown in the figure, a kind of electrical power control cabinet system, comprises following ingredient:
1) CPU module, built-in DSP high speed processing unit;
2) mixed-media network modules mixed-media, described CPU module connects by the wireless networks such as cable LAN or WIFI and master system, and described host computer can be computing machine or mobile phone etc.;
3) signal acquisition module, described signal acquisition module is connected with CPU module.Signal acquisition module is by voltage transformer (VT) and circuit mutual inductor, the electric signal of each power supply input channel of collection site and output channel, and by independently after chip processing, data being passed to CPU module, monitor in real time, and data are presented on liquid crystal touch screen;
4) display and entry terminal, described display and entry terminal are connected with CPU module, can adopt liquid crystal touch screen terminal, and standby emergent mechanical keyboard;
5) power supply input and output module, Power Entry Module comprises a plurality of input channels, power supply output module is divided into direct current output module and AC output module.In the present embodiment, described direct current output module comprises 12V output channel, 24V output channel and adjustable voltage output channel, and the voltage user of the output channel of adjustable voltage can regulate setting by CPU module or upper computer software; Described AC output module comprises some conventional output channels and uninterrupted output channel etc.During system operation, the quantity of its output channel and title user can carry out self-defined according to demand.
6) electrical source exchange module, described electrical source exchange module is connected with Power Entry Module, according to user manually select, system presets or signal analysis result is selected in power supply at the scene, and respective electrical resource loop is switched in circuit system and is powered;
7) ups system, described ups system comprises UPS control module, UPS charging inversion module and battery pack, described UPS charging inversion module is connected with signal acquisition module, UPS control module and electrical source exchange module respectively, and described battery pack is connected with UPS charging inversion module.And described UPS charging inversion module adopts pattern along separate routes, alternating current one tunnel of input UPS charging inversion module is connected with battery pack, and for charging, ，Yi road is connected with alternating current output channel;
8) voice cue module and alarm device.
This electrical power control cabinet system supports a plurality of input channels simultaneously online, therefore Power Entry Module can arrange a plurality of input channels, in the present embodiment, select the power supply input channel arranging to be respectively mains-supplied passage, generator powered passage, UPS confession electric channel and other common standby storage battery for electric channel.
Native system operational process is as follows:
Electrical power control cabinet system is carried out selection and the switching of power supply input channel after starting according to one of following three kinds of patterns:
A, user manually select;
B, in having the power channel of signal reaction, according to the default the highest Power supply of priority level of selecting;
C, in having the power channel of signal reaction, by the higher harmonic components of software and hardware Fourier series transfer pair power supply, carry out quantitative test, select in the electric power loop incision system of on-the-spot power supply quality optimum.
In handoff procedure, system can arrange personalized voice reminder.
CPU module receives the laggard row operation of data message that the detection chip of each passage is passed back, judge the telecommunications breath of all input channels, civil power detected, generator, during the equal no-voltage of storage battery or while carrying out uninterrupted power supply pattern, start UPS control module, ups system is accessed to cabinet system, the battery pack of ups system is carried out inversion output by UPS charging inversion module, what UPS adopted is pure sine wave output, system is chosen the unsaturation silicon steel sheet transformer of powerful IGBT device and low magnetism leakage, make whole system no matter how input channel is switched, realize being completely less than and power-off switching time of 10 milliseconds (be less than the switching time of 30 milliseconds, the non-stop run of AC electric equipment acquiescence, can power-off), can meet the normal operation of the higher equipment of power requirement and work, as command centre, machine room etc.
Consider inverter power, the restriction of the factors such as cost, according to the situation of consumer, user can be by the liquid crystal touch screen of master system or cabinet system, the output channel of AC and DC is defined, utilize software that output channel is divided into and can be interrupted output channel and uninterrupted output channel (user oneself chooses in software), and give the work upper limit or the lower limit of the independent current/voltage of each channel setting, the setting of limit value is for when the work of some output channel consumers is undesired separately, CPU module is made timely and after reaction, other passage not being impacted.The general power of uninterrupted output channel should be limited in UPS inverter power 80% in, when user chooses define channel, whether native system can exceed standard by reminding user by arranging of software.
Starting ups system carries out after power supply control:
In AC output module, CPU module has AC input (alternating current input) as monitored UPS inversion charging module, being divided into two-way exports, whole system is exported on one tunnel, the consumer power supply of the system of giving, the battery pack of ups system is exported on another road, and CPU module is monitored accumulator battery voltage all the time by signal acquisition module, monitoring battery pack accumulators group charging when under-voltage, three stage charge modes (large current charge, absorption and floating charge) are followed in charging.Battery pack is full of after electricity, disconnects this charge tunnel, and battery pack is in dormant state.When central processing unit monitors UPS inversion charging module and there is no AC input, battery pack is converted to inverter mode immediately from dormant state, is whole system power supply, and be less than 20 milliseconds the switching time that accumulator is converted to inverter mode and needs from dormant state.
In direct current output module, mainly adopt two kinds of pattern outputs, AC-DC pattern and DC-DC pattern, two kinds of patterns can be switched mutually.When central processing unit module monitors is AC when input to there being input power, the alternating current of input carries out inversion output by UPS charging inversion module, and utilize the unsaturation silicon steel sheet transformer of powerful IGBT device and low magnetism leakage to carry out AC-DC transformation, after transformation, carry out high-frequency rectification, voltage stabilizing, for system provides high-quality linear direct current motor, it is consumer power supply.When CPU module monitors direct current output module and there is no AC input, system is carried out DC-DC transformation by the unsaturation silicon steel sheet transformer of powerful IGBT device and low magnetism leakage equally, and direct current derives from the battery pack of ups system or other standby storage battery etc., boost as required or step-down, for system provides high-quality linear direct current motor, it is consumer power supply.
According to the loading condition of consumer in practical service environment, the UPS charging inversion module of the configurable different capacity of user.User can arrange with reference to 120% of consumer ratings when the protective current of each passage is arranged.In the time of whole system operation, the detection chip of each passage is transferred to CPU module by real-time operation information, the preset value that CPU module is calculated rear and user according to these operation informations is compared, after noting abnormalities, at extremely short time internal cutting off faulty line, and notify alarm device to send sound and light alarm, remind staff to carry out emergency processing.The response time of relay can be controlled in 10 milliseconds, with the safety of support personnel and consumer, after line fault is got rid of, by liquid crystal touch screen one key operation, recovers line work state.
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 install, easily overhaul.When limited power input channel (as UPS power supply, generator powered, storage battery power supply) work, user can be predisposed to some high-power passage of hard closing (as air-conditioning etc.) by host computer computer software or mobile phone A PP terminal software, ensures that the equipment of important channel normally moves.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand, the present invention is not restricted to the described embodiments, that in above-described embodiment and instructions, describes just illustrates principle of the present invention, and without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications.The claimed scope of the present invention is defined by appending claims, instructions and equivalent thereof.
Claims (10)
1. an electrical power control cabinet system, is characterized in that, comprises following ingredient:
1) CPU module;
2) mixed-media network modules mixed-media, described CPU module is connected with master system 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 comprises that detection respectively inputs or outputs the voltage of passage or the pick-up unit of electric current;
4) display and entry terminal, described display and entry terminal are connected with CPU module;
5) Power Entry Module and output module, the input channel of Power Entry Module comprises that mains-supplied passage, generator powered passage, UPS confession electric channel and standby storage battery supply one or more in electric channel, and described output module comprises direct current output module and AC output module;
6) electrical source exchange module, described electrical source exchange module is connected with Power Entry Module, according to user manually select, system presets or signal analysis result switches to respective electrical resource loop in circuit system.
2. a kind of electrical power control cabinet system according to claim 1, it is characterized in that, be provided with ups system, described ups system comprises UPS control module, UPS charging inversion module and battery pack, described UPS charging inversion module is connected with signal acquisition module, UPS control module and electrical source exchange module respectively, and described battery pack is connected with UPS charging inversion module.
3. a kind of electrical power control cabinet system according to claim 2, is characterized in that, described UPS charging inversion module adopts pattern along separate routes, and alternating current one tunnel of input UPS charging inversion module is connected ，Yi road and is connected with alternating current output channel with battery pack.
4. a kind of electrical power control cabinet system according to claim 2, it is characterized in that, in the output channel of power supply output module, be provided with uninterrupted output channel, adopt the general power of the uninterrupted output channel of ups system power supply be controlled at UPS inverter power 80% in.
5. a kind of electrical power control cabinet system according to claim 1, is characterized in that, described display and entry terminal adopt liquid crystal touch screen, and are provided with standby mechanical keyboard.
6. according to a kind of electrical power control cabinet system described in arbitrary claim in claim 1-5, it is characterized in that, described host computer is computing machine or mobile phone.
7. according to a kind of electrical power control cabinet system described in arbitrary claim in claim 1-5, it is characterized in that, be also provided with voice cue module and alarm device, described voice cue module is connected with CPU module with alarm device.
8. an electrical power control cabinet system operation method, is characterized in that, comprises the following steps:
After system operation, the signal of CPU module collection site power supply input channel, carries out selection and the switching of power supply input channel according to one of following three kinds of patterns:
A, user manually select;
B, in having the power channel of signal reaction, according to the default the highest Power supply of priority level of selecting;
C, in having the power channel of signal reaction, by the higher harmonic components of Fourier series transfer pair power supply signal, carry out quantitative test, select in the electric power loop incision system of on-the-spot power supply quality optimum;
Power supply input channel described in above-mentioned steps comprises that mains-supplied passage, generator powered passage, UPS confession electric channel and standby storage battery supply one or more in electric channel.
9. electrical power control cabinet system operation method according to claim 8, is characterized in that:
User is defined as each output channel of system as required and can be interrupted output channel or uninterrupted output channel, described uninterrupted output channel adopts ups system power supply, the general power of uninterrupted output channel be controlled at ups power inverter power 80% in, the general power of loading when user-defined uninterrupted output channel exceeds after setting value, and system arranges the prompting step whether reminding user exceeds standard and operate;
User arranges separately the work upper limit or the lower limit of curtage to each passage according to consumer, when circuit occurs exceeding the abnormal conditions of limit value, central processing unit passes through the corresponding passage of cut-off, and starts alarm device.
10. electrical power control cabinet system operation method according to claim 9, is characterized in that:
In AC output module, when startup ups system carries out uninterrupted power supply, when central processing unit module monitors is when having alternating current input ups system, this input current is divided into two-way to be exported, one road direction system consumer is directly powered, one tunnel is exported to the battery pack of ups system and is charged, CPU module is monitored the voltage of battery pack in real time, when battery pack under-voltage condition, charge a battery, after battery pack is full of, close this charge tunnel, battery pack is in dormant state; When central processing unit module monitors does not have alternating current input to UPS electric power system, battery pack is converted to inverter mode from dormant state, the interchange output channel power supply of Xiang Zeding.
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| CN107528379A (en) * | 2016-06-22 | 2017-12-29 | 北京航峰科伟装备技术股份有限公司 | A kind of oil electricity mixing multifunctional all ensures power supply |
| CN107896001A (en) * | 2017-12-28 | 2018-04-10 | 上海涵嘉电气设备有限公司 | A kind of Dual-power switching system controlled by intelligent wireless |
| CN107947352A (en) * | 2017-12-28 | 2018-04-20 | 上海涵嘉电气设备有限公司 | A kind of strong cutting system of intelligent double-power |
| CN107959345A (en) * | 2017-11-30 | 2018-04-24 | 江西洪都航空工业集团有限责任公司 | A kind of power control for avionics system integration testing |
| CN110376915A (en) * | 2019-08-10 | 2019-10-25 | 重庆励境展览展示有限公司 | Intelligent comprehensive regulator control system |
| CN110554609A (en) * | 2018-05-31 | 2019-12-10 | 维谛技术有限公司 | Dynamic loop monitoring collector and dynamic loop monitoring collection system |
| TWI705641B (en) * | 2018-09-06 | 2020-09-21 | 財團法人工業技術研究院 | Power supply device, flying tool using same and power supply method thereof |
| CN112349040A (en) * | 2019-08-08 | 2021-02-09 | 递易（上海）智能科技有限公司 | Combined express cabinet and electrical control scheme thereof |
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| WO2024067790A1 (en) * | 2022-09-30 | 2024-04-04 | 格力博(江苏)股份有限公司 | Energy station system, energy station control method, and energy station |
| CN116278894A (en) * | 2023-03-16 | 2023-06-23 | 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 |
| 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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| CN103576651B (en) | 2016-06-22 |
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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. |