CN108565962A - A kind of controller that intelligent power supply failure automatically switches - Google Patents
A kind of controller that intelligent power supply failure automatically switches Download PDFInfo
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- CN108565962A CN108565962A CN201810616694.XA CN201810616694A CN108565962A CN 108565962 A CN108565962 A CN 108565962A CN 201810616694 A CN201810616694 A CN 201810616694A CN 108565962 A CN108565962 A CN 108565962A
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- module
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The present invention provides a kind of controller that intelligent power supply failure automatically switches, including processing module, alternating-current switch power supply handover module, management of charging and discharging module and timer module, the processing module connects the alternating-current switch power supply handover module, the management of charging and discharging module and the timer module, the alternating-current switch power supply handover module connects the main power source module and standby power supply module, and the management of charging and discharging module connects the main power source module and standby power supply module；The advantage of the invention is that：Time and the wavelength of the power down moment for finding out each power supply module are matched with processing module using timer module, find out the power down rule of each power supply module, power down anticipation is carried out, the switching between power supply module is carried out before power down, power supply module can be switched in time；Metal-oxide-semiconductor is added in management of charging and discharging module, shortens the switching time of relay, switching at high speed between realization power supply module.
Description
Technical field
The present invention relates to the communications fields, refer in particular to a kind of controller that intelligent power supply failure automatically switches.
Background technology
Direct discharging station is a kind of equipment that wireless communication transmissions play signal enhancing in the process, is that wireless communication signals cover
A kind of common equipment of lid.And the electric supply system inside direct discharging station is the pass of entire wireless device reliability service
Key.
For repeater equipment in outdoor or field work, the power supply of equipment usually has accumulator or multigroup Switching Power Supply
Backup, one of which Switching Power Supply failure even the direct failure of AC network be all possible to occur, during this time how
Effective switch operating power supply of safer higher speed becomes very crucial, if switching not in time or interfering, will cause system not
Stablize even systemic breakdown, this be in a communications device forbid there is a phenomenon where, this phenomenon can not only take monetary loss but also
Serious safety hazards will be brought in private network communication.
Above-mentioned technical problem is faced, there are two types of existing solutions.
1, manual switching power supply, what manual switching power supply relied on is the experience of administrator, there are prodigious uncertain factor,
And owner is not suitable for it.
2, the shortcomings that hardware controls switch, the method is：First, after power supply unit power down switching to stand-by power supply sets
Standby, switching time is compact, is unfavorable for equipment adjusting；Second, relay switching needs the time long, makes power supply power-fail and powers on
Process is unstable, causes system unstable or even systemic breakdown.
Invention content
The technical problem to be solved in the present invention is that providing one kind progress power supply unit before power supply unit power down quickly cuts
The controller that a kind of intelligent power supply failure changed automatically switches.
The invention is realized in this way：
The controller that a kind of intelligent power supply failure automatically switches, including processing module, alternating-current switch power supply handover module,
Management of charging and discharging module, main power source module, standby power supply module and timer module, the processing module connect the exchange
Switching Power Supply handover module, the management of charging and discharging module and the timer module, the alternating-current switch power supply switch mould
Block connects the main power source module and standby power supply module, the management of charging and discharging module connect the main power source module and
Standby power supply module；
The alternating-current switch power supply handover module is responsible for the switching of the main power source module and the standby power supply module, or
Switching between two standby power supply modules；
The main power source module is responsible for powering to whole system with the standby power supply module；
The timer module is responsible for detecting the main power source module and each standby power supply module power down moment
Time and waveform；
The management of charging and discharging module is responsible for the main power source module and the charge and discharge of the standby power supply module
Management；
The processing module is responsible for the time detected according to the timer module and finds the main power source module with waveform
And the power down rule of each standby power supply module, and control the alternating-current switch power supply handover module and carry out between power module
Switching.
Preferably, further include battery module and direct-current switch power supply handover module, it is the main power source module, described standby
The management of charging and discharging module is respectively connected with power module and the battery module to cut with the direct-current switch power supply
Block is changed the mold, the direct-current switch power supply handover module is all connected with the processing module；
The battery module is responsible for powering to whole system；
The management of charging and discharging module is also responsible for the management of the charge and discharge of the battery module；
The direct-current switch power supply handover module is responsible for battery module module and main power source module or battery module mould
The switching of block and standby power supply module.
Preferably, the management of charging and discharging module is made of metal-oxide-semiconductor and other hardware circuits, described in the metal-oxide-semiconductor reduction
Switching time between main power source module, the standby power supply module and the battery module.
Preferably, further include memory module and measure voltage ＆amp, the memory module and the voltage are electric
Stream detection module is all connected with the processing module；
The memory module is responsible for storing voltage and current standard value；
The measure voltage ＆amp is responsible for detecting voltage and current value；
The processing module is the voltage stored in the voltage and current value that measure voltage ＆amp detects and memory module
Current standard value is compared, and controlling the management of charging and discharging module if the range beyond voltage and current standard value is exported
The adjustment of voltage and current.
Preferably, the timer module includes No.1 timer, No. two timers and No. three timers, the No.1
Timer, No. two timers and No. three timers are all connected with the processing module；
The No.1 timer is responsible for the statistics clock of whole system, keeps whole system work clock unified；
No. two timers are responsible for adapting to whole system power-on time, avoid the temporal information of power-on time section from acquiring and miss
Difference；
No. three timers are responsible for calculating the ladder numerical value of power down time.
Preferably, further include serial port module, the serial port module connects the processing module.
Preferably, further include PC machine, the serial port module connects the PC machine, and the PC machine remote monitoring and control is entire
System.
Preferably, further include voltage reduction module, the voltage reduction module connects the processing module；
The voltage reduction module offer meets the battery module, the main power source module and the standby power supply module
The voltage of these power supply modules；
The processing module according to the battery module, the main power source module and the standby power supply module these
Power supply module uses electricity condition, judges whether the above power supply module is effective module；If a certain power supply module does not use the drop
The voltage that die block provides, then be judged as invalid power supply module, and the power supply mould is not switched to when switching between controlling power supply module
Block.
Preferably, further include led operation indicator light, the led operation indicator light connects the processing module；The LED
Work light indicates the module to work.
The invention has the advantages that：
1, matched with processing module using timer module the power down moment for finding out each power supply module time and
Wavelength finds out the power down rule of each power supply module, carries out power down anticipation, and the switching between power supply module is carried out before power down,
Power supply module can be switched in time.
2, metal-oxide-semiconductor is added in management of charging and discharging module, shortens the switching time of relay, realize the height between power supply module
Speed switching.
3, coordinate the voltage electricity of control whole system by memory module, measure voltage ＆amp and processing module
Stream output precision ensures that charge and discharge process does not overshoot and only puts, also ensures timer module voltage stabilization, make timer mould
The data of block acquisition are relatively reliable.
4, pass through the external PC machine remote monitoring and control whole system of serial ports.
5, ensure using power supply module to be effective while offer meets the voltage of power supply module by voltage reduction module
Power supply module.
Description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the module connection diagram of the present invention.
Fig. 2 is the connection diagram of the arm processor of one embodiment of the invention.
Specific implementation mode
As depicted in figs. 1 and 2, the controller that a kind of intelligent power supply failure automatically switches, including processing module, exchange are opened
Powered-down source handover module, management of charging and discharging module, timer module, battery module, direct-current switch power supply handover module, storage
Device module, measure voltage ＆amp, serial port module and voltage reduction module, processing module connect alternating-current switch power supply and switch mould
Block, management of charging and discharging module, timer module, direct-current switch power supply handover module, memory module, measure voltage ＆ current mould
Block, serial port module and voltage reduction module, alternating-current switch power supply handover module connect main power source module and standby power supply module, directly
Current switching power supply handover module connects main power source module, standby power supply module and battery module, and management of charging and discharging module connects
Connect main power source module, standby power supply module and battery module；Management of charging and discharging module is by metal-oxide-semiconductor and other hardware circuit groups
At metal-oxide-semiconductor reduces the switching time between main power source module, standby power supply module and battery module；Further include that LED operation refers to
Show lamp, led operation indicator light connection processing module；Led operation indicator light indicates the module to work, primarily to intuitively
Facilitate user to know which working condition be currently in.
The effect and implementation of each module of the present invention are as follows：
The processing module of the present invention includes arm processor and embedded software, arm processor model
stm32f103rct6。
Main power source module, standby power supply module and battery module are responsible for powering to whole system；Main power source module with
Standby power supply module is powered using Switching Power Supply, and battery module uses storage battery power supply；Battery-operated is divided into charging and puts
Electricity is calculated by detection IC combination softwares and judges that each charging stage of accumulator ensures by constant pressure, constant current, floats and rush three phases
It carries out；Real time monitoring prevented from putting when electric discharge, if detecting that extraneous Switching Power Supply service restoration is normal in discharge process
It is switched to Switching Power Supply work at once, to save the electricity of accumulator.
Alternating-current switch power supply handover module be responsible for main power source module and standby power supply module switching or two stand-by power supplies
The switching of intermodule；Alternating-current switch power supply handover module uses the relay of Panasonic, and embedded software code is by acquiring at ARM
The timer module for managing device connection monitors power down procedure, once judge the true power down of power supply module (power supply unit) rather than voltage
Fluctuation, at once from one group of Switching Power Supply be switched to another set Switching Power Supply work, and stablize transition, shock resistance interference and
Switching noise interferes.
Timer module is responsible for detecting time and the waveform of main power source module and each standby power supply module power down moment, place
Reason module is responsible for time that matching embedded type software is detected according to timer module and waveform and finds main power source module and each
The power down rule of standby power supply module judges the whether true power down of power supply unit, and controls the progress of alternating-current switch power supply handover module
Switching between power supply module.Timer module includes No.1 timer, No. two timers and No. three timers, No.1 timing
Device, No. two timers and No. three timers are all connected with processing module；No.1 timer is responsible for the statistics clock of whole system, makes
Whole system work clock is unified；No. two timers are responsible for adapting to whole system power-on time, avoid the time of power-on time section
Information collection error；No. three timers are responsible for calculating the ladder numerical value of power down time.No.1 timer is used for for TIM3
The statistics clock of freertos systems, reliability and working condition for ensureing system work can pursue；No. two timers are
TIM6, because Switching Power Supply operative power has a time, in order to avoid the period Acquisition Error, system is just real after waiting for 1S
Start to act；No. three timers are TIM7, for judging that the continuous acquisition numerical value of power down time compares；Embedded software is to obtain
To whether genuine power down, to judge whether to power supply module switching.
Management of charging and discharging module is responsible for the charge and discharge of main power source module, standby power supply module and battery module
Management；The management of charging and discharging circuit of the adjustable stream of pressure-adjustable, TI MOS are combined into together with other hardware circuits using TI metal-oxide-semiconductors
Pipe realizes that relay switches at high speed power supply module.Embedded software acquires constant pressure and flow numerical value by measure voltage ＆amp,
The accurate of constant pressure section and constant current section is constantly ensured by arm processor adjusting parameter in charging process, and function is rushed with floating.
In addition, discharge process output embedded software is enabled or closes, embedded software closing reaches energy saving purpose.
Direct-current switch power supply handover module be responsible for battery module module and main power source module or battery module module with
The switching of standby power supply module；Direct-current switch power supply handover module uses the relay of Panasonic, and embedded software code is by adopting
Collect arm processor connection timer module and monitors power down procedure, once think that power down is switched to storage battery power supply at once, and it is steady
Fixed transition, shock resistance interference and switching noise interference.Under normal circumstances, in judgement without when powering of other Switching Power Supplies
Storage battery power supply is reused, if detecting that other Switching Power Supply service restorations are normal, is switched to Switching Power Supply work at once,
To save the electricity of accumulator.
Memory module is responsible for storing voltage and current standard value, can also retain other parameters, such as standard temperature, selects
EEPROM。
Measure voltage ＆amp is responsible for detecting voltage and current value；Measure voltage ＆amp acquires core by voltage and current
Piece is realized, is designed using the high-precision quasi core pieces of TI, is calculated and adjusted in conjunction with embedded software code, 1, ensure that charge and discharge
The safety of electricity：It does not overshoot and only puts；2, it ensure that the precision of the apparatus of load voltage and current of acquisition any time.Processing
Module carries out the voltage and current standard value stored in voltage and current value that measure voltage ＆amp detects and memory module pair
Than controlling adjustment of the management of charging and discharging module into line output voltage electric current if the range beyond voltage and current standard value；Voltage
Current detection module acquires primary voltage electric current every 1S, and is reported to long-range PC machine, whether just to judge load equipment work
Often.
Voltage reduction module provides the electricity for meeting battery module, main power source module and standby power supply module these power supply modules
Pressure；Voltage reduction module is depressured chip using high-precision DC-DC, using 27V->The chip solution of the TI of 12V, parameter designing is into line
Experiment determines under line for upper emulation, ensure that voltage accuracy, also ensures electrical stability, ensures the reliability of chip quality not
It breaks down, preferably there are 25% surpluses during load meter；27V two-way switch power supply also passes through high-precision DC- simultaneously
DC is depressured chip voltage to 12V, supplies different equipment electricity consumptions, is also monitored to two-way 12V outputs, any 12V all the way is defeated
Go out to break down, is switched in addition Switching Power Supply all the way and works, meanwhile, PC machine receives power supply unit fault message, facilitates personnel
It repairs.
PC machine connects serial port module, is responsible for that whole system is monitored and controlled；PC machine hardware design is using U.S. letter semiconductor 485
Chip and 232 chips, communication are connected by 485 interfaces or RS232 interface standard, and PC machine can periodically inquire the work of whole system
Make state, such as：Operating voltage, operating current, warning message, fault message, long-range PC machine carry out equipment power work state
Detection and monitoring, accomplish that breakdown judge reports in time, and can notify to repair in time, and fault message source, and PC machine is accurately positioned
It can be switched over remote control power supply module.
Other also external modules of serial port module, such as：HSE, promoter region selection, button reset, serial ports download etc..
The present invention is by double groups of Switching Power Supply primary and secondary working mechanisms, normal main power source module work, once program finds master
Power module output failure is switched to the work of backup battery module at once, will switch again if backup battery module is also faulty
To battery module working condition, when there are multiple backup battery modules, can be realized by alternating-current switch power supply handover module standby
The switching of part power module and backup battery intermodule.Double groups of Switching Power Supplies make power supply module not power down switch, and ensure system fortune
Row is stablized.
After the present invention in system trial run, can find the power down rule of each power supply module, then in commencement of commercial operation
It is powered the switching of module using double groups of Switching Power Supply primary and secondary working mechanisms, and carries out the update of power down rule；It can also be straight
Power down rule is found according to power supply module power down when being connected on commencement of commercial operation, power down rule is recycled to pass through double groups of Switching Power Supply primary and secondarys
Working mechanism is powered the switching of module.The power down rule real-time update of the present invention.
The configuration of the present invention is simple, reliability is high, and maintenance cost is low, safe, can solve outdoor repeater station equipment and supply again
Safeguard work when electric fault occurs, can avoid the operation of manual intervention, realize intelligentized target.
Although specific embodiments of the present invention have been described above, those familiar with the art should manage
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, it is familiar with this
The technical staff in field modification and variation equivalent made by the spirit according to the present invention, should all cover the present invention's
In scope of the claimed protection.
Claims (9)
1. the controller that a kind of intelligent power supply failure automatically switches, it is characterised in that：Including processing module, alternating-current switch power supply
Handover module, management of charging and discharging module, main power source module, standby power supply module and timer module, the processing module connect
Connect the alternating-current switch power supply handover module, the management of charging and discharging module and the timer module, the alternating-current switch
Power supply handover module connects the main power source module and the standby power supply module, described in the management of charging and discharging module connection
Main power source module and the standby power supply module；
The alternating-current switch power supply handover module be responsible for the main power source module and the standby power supply module switching or two
Switching between the standby power supply module；
The main power source module is responsible for powering to whole system with the standby power supply module；
The timer module is responsible for detecting the time of the main power source module and each standby power supply module power down moment
With waveform；
The management of charging and discharging module is responsible for the management of the main power source module and the charge and discharge of the standby power supply module；
The processing module be responsible for the time detected according to the timer module and waveform find the main power source module and
The power down rule of each standby power supply module, and control the alternating-current switch power supply handover module and carry out cutting between power module
It changes.
2. the controller that a kind of intelligent power supply failure according to claim 1 automatically switches, it is characterised in that：Further include
Battery module and direct-current switch power supply handover module, the main power source module, the standby power supply module and the storage
Battery module respectively connects the management of charging and discharging module and dc switch electricity described in the direct-current switch power supply handover module
Source handover module connects the processing module；
The battery module is responsible for powering to whole system；
The management of charging and discharging module is also responsible for the management of the charge and discharge of the battery module；
The direct-current switch power supply handover module be responsible for battery module module and main power source module or battery module module with
The switching of standby power supply module.
3. the controller that a kind of intelligent power supply failure according to claim 2 automatically switches, it is characterised in that：It is described to fill
Electric discharge management module is made of metal-oxide-semiconductor and other hardware circuits, and the metal-oxide-semiconductor reduces the main power source module, the standby electricity
Switching time between source module and the battery module.
4. the controller that a kind of intelligent power supply failure according to claim 1 automatically switches, it is characterised in that：Further include
Memory module and measure voltage ＆amp, the memory module are all connected with the place with the measure voltage ＆amp
Manage module；
The memory module is responsible for storing voltage and current standard value；
The measure voltage ＆amp is responsible for detecting voltage and current value；
The processing module is the voltage and current stored in the voltage and current value that measure voltage ＆amp detects and memory module
Standard value is compared, and the management of charging and discharging module is controlled into line output voltage if the range beyond voltage and current standard value
The adjustment of electric current.
5. the controller that a kind of intelligent power supply failure according to claim 1 automatically switches, it is characterised in that：It is described fixed
When device module include No.1 timer, No. two timers and No. three timers, the No.1 timer, No. two timers
And No. three timers are all connected with the processing module；
The No.1 timer is responsible for the statistics clock of whole system, keeps whole system work clock unified；
No. two timers are responsible for adapting to whole system power-on time, avoid the temporal information Acquisition Error of power-on time section；
No. three timers are responsible for calculating the ladder numerical value of power down time.
6. the controller that a kind of intelligent power supply failure according to claim 1 automatically switches, it is characterised in that：Further include
Serial port module, the serial port module connect the processing module.
7. the controller that a kind of intelligent power supply failure according to claim 6 automatically switches, it is characterised in that：Further include
PC machine, the serial port module connect the PC machine, the PC machine remote monitoring and control whole system.
8. the controller that a kind of intelligent power supply failure according to claim 2 automatically switches, it is characterised in that：Further include
Voltage reduction module, the voltage reduction module connect the processing module；
Voltage reduction module offer meet the battery module, the main power source module and the standby power supply module these
The voltage of power supply module；
The processing module is according to these power supplies of the battery module, the main power source module and the standby power supply module
Module uses electricity condition, judges whether the above power supply module is effective module；If a certain power supply module does not use the decompression mould
The voltage that block provides, then be judged as invalid power supply module, and the power supply module is not switched to when switching between controlling power supply module.
9. the controller that a kind of intelligent power supply failure according to claim 1 automatically switches, it is characterised in that：Further include
Led operation indicator light, the led operation indicator light connect the processing module；The led operation indicator light instruction is working
Module.
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| CN109756024A (en) * | 2018-12-11 | 2019-05-14 | 江苏科技大学 | A kind of Switching Power Supply monitoring device and its control method |
| CN110727338A (en) * | 2019-10-23 | 2020-01-24 | 王凯 | Combined module for mobile power supply of computer internal accessories |
| CN110784010A (en) * | 2019-11-05 | 2020-02-11 | 国网山东省电力公司高密市供电公司 | Storage battery charging and discharging device with network function |
| CN110825206A (en) * | 2019-11-13 | 2020-02-21 | 沧州师范学院 | Computer integration system and automatic fault switching method |
| CN110825206B (en) * | 2019-11-13 | 2024-03-19 | 沧州师范学院 | Computer integrated system and fault automatic switching method |
| CN110940965A (en) * | 2019-11-15 | 2020-03-31 | 上海禾赛光电科技有限公司 | Power supply abnormity monitoring system and method for LIDAR and LIDAR system |
| CN112039209A (en) * | 2020-09-04 | 2020-12-04 | 王辉 | Outdoor energy source double-backup and storage battery charging-discharging switching monitoring device |
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