CN103066679B - Universal communication base station solar and wind energy centralized power supply system and control method thereof - Google Patents
Universal communication base station solar and wind energy centralized power supply system and control method thereof Download PDFInfo
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
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- 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
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Abstract
The invention relates to a universal communication base station solar and wind energy centralized power supply system and a control method thereof and belongs to the field of new energy power generation technology and energy conservation. The communication base station new energy centralized power supply main loop and a communication base station monitor are used for providing a new energy power supply for the original base station alternating current and direct current power system. An embedded computer communication base station monitor consisting of a computer control technology and an artificial intelligent technology is adopted, and intelligent monitoring and control are realized. The designed solar maximum power point tracking (MPPT) controller and a wind energy controller can detect the power generating voltage of a solar panel and a wind energy generator, and the highest voltage value is tracked, so that the system has the highest efficiency. The designed inverter is based on the full-digital control technology of digital signal processor (DSP), a high-frequency sinusoidal pulse width modulation (SPWM) and an advanced insulated gate bipolar translator (IGBT) module, so that the system has high efficiency.
Description
Technical field
The present invention relates to a kind of Universal communication base station solar wind-energy central power supply system and control method thereof, belong to generation of electricity by new energy technology and field of energy-saving technology.
Background technology
Base station and public mobile communication base station are a kind of forms at Radio Station station, refer in certain area of radio coverage, and by mobile switching center, and radio station is believed in the transceiving carrying out information transmission between mobile telephone terminal.The construction of mobile communication base station is the pith of mobile communication carrier of China investment, and the construction of mobile communication base station is all generally carry out around coverage rate, speech quality, returns of investment, construction difficulty or ease, the key element such as easy to maintenance.
Energy-saving and emission-reduction new energy system solution at present to communication base station supplied by AC/DC electricity System Implementation, main is that former electric power system supplements new forms of energy electric energy with wind-powered engine, the direct voltage that controller of fan exports directly accesses, and export DC bus place with the rectifier in communication base station supplied by AC/DC electricity system and connect, still power based on utility grid, do not play the object utilizing new forms of energy completely.On the other hand, if while wind-powered engine powers to communication equipment, again to charge in batteries, need the power increasing wind-powered engine, cause cost of investment higher, utilance is lower.In addition, this technical scheme needs the transformation existing communication base station supplied by AC/DC electricity system being carried out to part connection line.
For reducing solar energy or wind energy generation of electricity by new energy cost, take into full account the feature such as zones of different and capacity of communication base station electric power system, do not need the transformation existing communication base station supplied by AC/DC electricity system being carried out to part connection line simultaneously, and in the most direct mode, solar energy or wind energy new energy are introduced communication base station, its location is very clear and definite, be exactly that communication base station original civil power supplied by AC/DC electricity system realizes in new energy mode, utility grid supply power mode is auxiliary principle, plays the real new forms of energy that utilize and realizes the effect of energy-saving and emission-reduction.According to the demand of communication base station, by using solar energy and wind energy new energy way choice, reduce base station to the consumption of conventional energy resource, and reduce the carbon emission and dusty gas discharge that produce because using conventional energy resource, make full use of new forms of energy.
Therefore, design a kind of Universal communication base station solar wind-energy central power supply system, being applicable to different demand and the capacity of communication base station supplied by AC/DC electricity system, is the common expectation of industry.
Summary of the invention
For the problems referred to above, the invention provides a kind of Universal communication base station solar wind-energy central power supply system and control method thereof, communication base station supplied by AC/DC electricity system is made to make full use of new forms of energy, and there is higher fail safe, simultaneously, equipment is simple, has energy-saving and emission-reduction, cost is low, efficiency is high, versatility, the feature such as easy of integration.
The technical solution used in the present invention: electric power system forms primarily of communication base station new forms of energy centrally connected power supply major loop 100, communication base station monitoring device 200 and communication base station supplied by AC/DC electricity system 300; Communication base station new forms of energy centrally connected power supply major loop 100 comprises solar cell 101, solar energy MPPT controller 102, inverter 103, change over switch 104, outer storage battery 105, wind-powered engine 106, controller of fan 107, utility grid 108.Communication base station monitoring device 200 comprises control circuit 201, sample circuit 202, drive circuit 203, RS-485 port 204, contravarianter voltage testing circuit 205, utility grid voltage detecting circuit 206, supply voltage switch testing circuit 207.Communication base station supplied by AC/DC electricity system 300 is by A.C. distribution box 301, Switching Power Supply 302, communication equipment 303, and interior storage battery 305, uninterrupted power supply 306, air-conditioning 307, illumination 308, socket 309, mobile diesel engine 310 and Surge Protector 311 form.Communication base station new forms of energy centrally connected power supply major loop 100 and communication base station monitoring device 200 are implemented to provide new energy to communication base station supplied by AC/DC electricity system 300.
Described Universal communication base station new forms of energy central power supply system, system adopts the output end signal of solar energy centralized power supply system solar cell 101 to be connected with the input end signal of solar energy MPPT controller 102, solar energy MPPT controller 102 controls rear output dc voltage for carrying out MPPT maximum power point tracking to the output voltage of solar cell, on the one hand externally storage battery 105 charges, for inverter 103 provides direct voltage on the other hand and after outer storage battery 105 parallel connection;
Described Universal communication base station new forms of energy central power supply system, system adopts wind energy centralized power supply system, the output end signal of wind-powered engine 106 is connected with the input end signal of controller of fan 107, controller of fan 107 is for controlling rear output dc voltage to the output voltage of wind-powered engine 106, on the one hand externally storage battery 105 charges, on the other hand and outer storage battery 105, after solar energy MPPT controller 102 parallel connection for inverter 103 provides direct voltage.
The input end signal of outer storage battery 105 and the output end signal of solar energy MPPT controller 102 and controller of fan 107, and the input end signal of inverter 103 connects, when the power supply that solar cell 101 or wind-powered engine 106 can not provide maintenance system normally to run, outer storage battery 105 provides power supply for inverter 103; The input end signal of inverter 103 is connected with the output end signal of solar energy MPPT controller 102, controller of fan 107 and outer storage battery 105, and the direct voltage they provided is converted to alternating voltage; The input end signal of change over switch 104 is connected with the output end signal of the drive circuit 203 in inverter 103, utility grid 108 and communication base station monitoring device 200, according to the control command of communication base station monitoring device 200, select inverter 103 or utility grid 108 to provide power supply for communication base station supplied by AC/DC electricity system 300, be connected with the input end signal of the A.C. distribution box 301 of communication base station supplied by AC/DC electricity system 300 by the output end signal of change over switch 104.
The solar energy MPPT controller 102 of communication base station new forms of energy centrally connected power supply major loop 100 and controller of fan 107 are for having solar energy MPPT controller 102 and the controller of fan 107 of MPPT maximum power point tracking controlling functions.
Communication base station monitoring device 200 in described Universal communication base station new forms of energy central power supply system, the input end signal of its sample circuit 202 and the contravarianter voltage testing circuit 205 of communication base station new forms of energy centrally connected power supply major loop 100 and utility grid voltage detecting circuit 206, and the output end signal of the supply voltage switch testing circuit 207 of communication base station supplied by AC/DC electricity system 300 connects, the output end signal of sample circuit 202 is connected with the input end signal of control circuit 201; The output end signal with the control circuit 201 of separate CPU controlling functions is connected with the input end signal of drive circuit 203, the input end signal of the RS-485 port 204 of the input end signal of control circuit 201 and sample circuit 202 and host computer is connected, whether normally carry out control according to the parameter of sample circuit 202 to judge, and export control command to drive circuit 203; The output end signal of drive circuit 203 is connected with the input end signal of the change over switch 104 in major loop 100, by increasing the power of control signal and outputting to change over switch 104.
?the control method of communication base station monitoring device 200 comprises the following steps:
A) sample circuit 202 is by the alternating voltage of the inverter 103 in contravarianter voltage testing circuit 205, utility grid voltage detecting circuit 206, supply voltage switch testing circuit 207, sampling major loop 100 and utility grid 108, and the direct voltage of communication base station supplied by AC/DC electricity system 300 breaker in middle power supply 302;
B) control circuit 201 judges that whether the alternating voltage of the direct voltage of Switching Power Supply 302, the voltage of inverter 103 and utility grid 108 is normal;
When the alternating voltage of the direct voltage of Switching Power Supply 302, the voltage of inverter 103 and utility grid 108 is normal, then the output control command of control loop 201 is to drive circuit 203, the change over switch 104 in major loop 100 is driven by drive circuit 203, allow the out-put supply of inverter 105 provide power supply by change over switch 104 to communication base station supplied by AC/DC electricity system 300, and return step a);
When the alternating voltage of the direct voltage of Switching Power Supply 302, the voltage of inverter 103 and utility grid 108 is abnormal, then enter step c);
C) control loop 201 judges that whether the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103 is normal;
When the direct voltage of Switching Power Supply 302 and the output voltage of inverter 103 normal, and host computer is without " quick charge " instruction, then control loop 201 exports control command to drive circuit 203, the change over switch 104 in major loop 100 is controlled by drive circuit 203, connect the out-put supply of inverter 105, disconnect the out-put supply of utility grid 108, provide power supply by inverter 105 to communication base station supplied by AC/DC electricity system 300, and return step a);
When the direct voltage of Switching Power Supply 302 is abnormal with the output voltage of inverter 103, then enter step d);
D) control loop 201 judges that whether the output voltage of the direct voltage of Switching Power Supply 302 and utility grid 108 is normal;
If the output voltage of the direct voltage of Switching Power Supply 302 and utility grid 108 is normal, and host computer has " quick charge " instruction, then control loop 201 exports control command to drive circuit 203, the change over switch 104 in major loop 100 is controlled by drive circuit 203, disconnect the out-put supply of inverter 105, connect the out-put supply of utility grid 108, provide AC power by utility grid 108 to communication base station supplied by AC/DC electricity system 300, and return step a);
When the direct voltage of Switching Power Supply 302 is abnormal with the output voltage of utility grid 108, then enter step e);
E) control loop 201 judges that whether the direct voltage of Switching Power Supply is normal;
When the direct voltage of Switching Power Supply is normal, and host computer is without " quick charge " instruction, the alternating voltage of inverter is abnormal, and utility grid alternating voltage is normal, then control loop 201 exports control command to drive circuit 203, the change over switch 104 in major loop 100 is controlled by drive circuit, disconnect the out-put supply of inverter 105, connect the out-put supply of utility grid 108, AC power is provided to communication base station supplied by AC/DC electricity system 300 by utility grid 108, send fault message to host computer, and return step a);
When the direct voltage of Switching Power Supply is abnormal, then enter step f);
If f) direct voltage of Switching Power Supply is abnormal, then control loop 201 exports control command to drive circuit 203, the change over switch 104 in major loop 100 is controlled by drive circuit, disconnect the out-put supply of inverter 105 and utility grid 108, stop providing AC power to communication base station supplied by AC/DC electricity system 300, send fault message to host computer, and return step a).
Described solar cell 101, solar energy MPPT controller 102, inverter 103, change over switch 104, outer storage battery 105, wind-powered engine 106, controller of fan 107, utility grid 108, control circuit 201, sample circuit 202, drive circuit 203, RS-485 port 204, contravarianter voltage testing circuit 205, supply voltage switch testing circuit 206 and utility grid voltage detecting circuit 207 etc., except solar cell 101 and wind-powered engine 106 are all except conventional equipment public in the market, all the other products for my research and development and equipment.
Beneficial effect of the present invention: this patent adopts the embedded computer communication base station monitoring device of Computer Control Technology and artificial intelligence technology composition, the intellectual monitoring of realization and control.The solar energy MPPT controller of design and the generating voltage of wind energy controller energy detecting real-time solar panels and wind-powered engine, and follow the trail of maximum voltage value, make the efficiency that system reaches the highest.The inverter of design, based on the IGBT module of the all-digitized demodulator technology of DSP, High ireguency SPWM technology and advanced person, makes system effectiveness higher.
A) realize the rational management that solar energy or wind energy new energy and utility grid are powered, generation of electricity by new energy amount is maximized and energy-saving effect maximization.
B) realize efficient system reasonable disposition and integrated, under the demand ensured and meet base station communication apparatus power consumption, save the capacity of solar panel or blower fan.
C) realize new energy and utility grid power between intellectual monitoring and automatically control.
D) low cost under the optional position of communication base station and layout, high efficiency, continuity, fail safe and universal is realized.
Simultaneously, this patent determines control strategy and the control algolithm of communication base station monitoring device, and work out and develop the software and hardware of corresponding control and communication system, can be that system makes full use of new forms of energy, versatility grow, the system integration is easy, cost reduces, efficiency is higher.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present invention.
Fig. 2 is control flow chart of the present invention.
In figure: 100-communication base station new forms of energy central power supply system major loop, 101-solar cell, 102-solar energy MPPT controller, 103-inverter, 104-change over switch, the outer storage battery of 105-, 106-wind-powered engine, 107-controller of fan, 108-utility grid, 200-communication base station monitoring device, 201-control circuit, 202-sample circuit, 203-drive circuit, 204-port RS-485, 205-contravarianter voltage testing circuit, 206-utility grid voltage detecting circuit, 207-supply voltage switch testing circuit, 300-communication base station supplied by AC/DC electricity system, 301-A.C. distribution box, 302-Switching Power Supply, 303-communication equipment, storage battery in 305-, 306-uninterrupted power supply, 307-air-conditioning, 308-throws light on, 309-socket, 310-mobile diesel engine, 311-Surge Protector.
Embodiment
Below in conjunction with drawings and Examples, this patent is described further.
As shown in Figure 1, electric power system forms primarily of communication base station new forms of energy centrally connected power supply major loop 100, communication base station monitoring device 200 and communication base station supplied by AC/DC electricity system 300; Communication base station new forms of energy centrally connected power supply major loop 100 comprises solar cell 101, solar energy MPPT controller 102, inverter 103, change over switch 104, outer storage battery 105, wind-powered engine 106, controller of fan 107, utility grid 108.Communication base station monitoring device 200 comprises control circuit 201, sample circuit 202, drive circuit 203, RS-485 port 204, contravarianter voltage testing circuit 205, utility grid voltage detecting circuit 206, supply voltage switch testing circuit 207.Communication base station supplied by AC/DC electricity system 300 is by A.C. distribution box 301, Switching Power Supply 302, communication equipment 303, and interior storage battery 305, uninterrupted power supply 306, air-conditioning 307, illumination 308, socket 309, mobile diesel engine 310 and Surge Protector 311 form.Communication base station new forms of energy centrally connected power supply major loop 100 and communication base station monitoring device 200 are implemented to provide new energy to communication base station supplied by AC/DC electricity system 300.
Described Universal communication base station new forms of energy central power supply system, system adopts the output end signal of solar energy centralized power supply system solar cell 101 to be connected with the input end signal of solar energy MPPT controller 102, solar energy MPPT controller 102 controls rear output dc voltage for carrying out MPPT maximum power point tracking to the output voltage of solar cell, on the one hand externally storage battery 105 charges, for inverter 103 provides direct voltage on the other hand and after outer storage battery 105 parallel connection;
Described Universal communication base station new forms of energy central power supply system, system adopts wind energy centralized power supply system, the output end signal of wind-powered engine 106 is connected with the input end signal of controller of fan 107, controller of fan 107 is for controlling rear output dc voltage to the output voltage of wind-powered engine 106, on the one hand externally storage battery 105 charges, on the other hand and outer storage battery 105, after solar energy MPPT controller 102 parallel connection for inverter 103 provides direct voltage.
The input end signal of outer storage battery 105 and the output end signal of solar energy MPPT controller 102 and controller of fan 107, and the input end signal of inverter 103 connects, when the power supply that solar cell 101 or wind-powered engine 106 can not provide maintenance system normally to run, outer storage battery 105 provides power supply for inverter 103;
The input end signal of inverter 103 is connected with the output end signal of solar energy MPPT controller 102, controller of fan 107 and outer storage battery 105, and the direct voltage they provided is converted to alternating voltage; The input end signal of change over switch 104 is connected with the output end signal of the drive circuit 203 in inverter 103, utility grid 108 and communication base station monitoring device 200, according to the control command of communication base station monitoring device 200, select inverter 103 or utility grid 108 to provide power supply for communication base station supplied by AC/DC electricity system 300, be connected with the input end signal of the A.C. distribution box 301 of communication base station supplied by AC/DC electricity system 300 by the output end signal of change over switch 104.
The solar energy MPPT controller 102 of communication base station new forms of energy centrally connected power supply major loop 100 and controller of fan 107 are for having solar energy MPPT controller 102 and the controller of fan 107 of MPPT maximum power point tracking controlling functions.
Communication base station monitoring device 200 in described Universal communication base station new forms of energy central power supply system, the input end signal of its sample circuit 202 and the contravarianter voltage testing circuit 205 of communication base station new forms of energy centrally connected power supply major loop 100 and utility grid voltage detecting circuit 206, and the output end signal of the supply voltage switch testing circuit 207 of communication base station supplied by AC/DC electricity system 300 connects, the output end signal of sample circuit 202 is connected with the input end signal of control circuit 201; The output end signal with the control circuit 201 of separate CPU controlling functions is connected with the input end signal of drive circuit 203, the input end signal of the RS-485 port 204 of the input end signal of control circuit 201 and sample circuit 202 and host computer is connected, whether normally carry out control according to the parameter of sample circuit 202 to judge, and export control command to drive circuit 203; The output end signal of drive circuit 203 is connected with the input end signal of the change over switch 104 in major loop 100, by increasing the power of control signal and outputting to change over switch 104.
Embodiment 1
As shown in Figure 2: the control method of communication base station monitoring device 200 comprises the following steps:
A) sample circuit 202 is by the alternating voltage of the inverter 103 in contravarianter voltage testing circuit 205, utility grid voltage detecting circuit 206, supply voltage switch testing circuit 207, sampling major loop 100 and utility grid 108, and the direct voltage of communication base station supplied by AC/DC electricity system 300 breaker in middle power supply 302;
B) control circuit 201 judges that whether the alternating voltage of the direct voltage of Switching Power Supply 302, the voltage of inverter 103 and utility grid 108 is normal; When the alternating voltage of the direct voltage of Switching Power Supply 302, the voltage of inverter 103 and utility grid 108 is abnormal, then enter step c);
C) control loop 201 judges that whether the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103 is normal;
When the direct voltage of Switching Power Supply 302 is abnormal with the output voltage of inverter 103, then enter step d);
D) control loop 201 judges that whether the output voltage of the direct voltage of Switching Power Supply 302 and utility grid 108 is normal; When the direct voltage of Switching Power Supply 302 is abnormal with the output voltage of utility grid 108, then enter step e);
E) control loop 201 judges that whether the direct voltage of Switching Power Supply is normal; When the direct voltage of Switching Power Supply is abnormal, then enter step f);
If f) direct voltage of Switching Power Supply is abnormal, then control loop 201 exports control command to drive circuit 203, the change over switch 104 in major loop 100 is controlled by drive circuit, disconnect the out-put supply of inverter 105 and utility grid 108, stop providing AC power to communication base station supplied by AC/DC electricity system 300, send fault message to host computer, and return step a).
Embodiment 2
As shown in Figure 2: the control method of communication base station monitoring device 200 comprises the following steps:
A) sample circuit 202 is by the alternating voltage of the inverter 103 in contravarianter voltage testing circuit 205, utility grid voltage detecting circuit 206, supply voltage switch testing circuit 207, sampling major loop 100 and utility grid 108, and the direct voltage of communication base station supplied by AC/DC electricity system 300 breaker in middle power supply 302;
B) control circuit 201 judges that whether the alternating voltage of the direct voltage of Switching Power Supply 302, the voltage of inverter 103 and utility grid 108 is normal;
When the alternating voltage of the direct voltage of Switching Power Supply 302, the voltage of inverter 103 and utility grid 108 is normal, then the output control command of control loop 201 is to drive circuit 203, the change over switch 104 in major loop 100 is driven by drive circuit 203, allow the out-put supply of inverter 105 provide power supply by change over switch 104 to communication base station supplied by AC/DC electricity system 300, and return step a);
Embodiment 3
As shown in Figure 2: the control method of communication base station monitoring device 200 comprises the following steps:
A) sample circuit 202 is by the alternating voltage of the inverter 103 in contravarianter voltage testing circuit 205, utility grid voltage detecting circuit 206, supply voltage switch testing circuit 207, sampling major loop 100 and utility grid 108, and the direct voltage of communication base station supplied by AC/DC electricity system 300 breaker in middle power supply 302;
B) control circuit 201 judges that whether the alternating voltage of the direct voltage of Switching Power Supply 302, the voltage of inverter 103 and utility grid 108 is normal; When the alternating voltage of the direct voltage of Switching Power Supply 302, the voltage of inverter 103 and utility grid 108 is abnormal, then enter step c);
C) control loop 201 judges that whether the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103 is normal;
When the direct voltage of Switching Power Supply 302 and the output voltage of inverter 103 normal, and host computer is without " quick charge " instruction, then control loop 201 exports control command to drive circuit 203, the change over switch 104 in major loop 100 is controlled by drive circuit 203, connect the out-put supply of inverter 105, disconnect the out-put supply of utility grid 108, provide power supply by inverter 105 to communication base station supplied by AC/DC electricity system 300, and return step a);
Embodiment 4
The control method of communication base station monitoring device 200 comprises the following steps:
A) sample circuit 202 is by the alternating voltage of the inverter 103 in contravarianter voltage testing circuit 205, utility grid voltage detecting circuit 206, supply voltage switch testing circuit 207, sampling major loop 100 and utility grid 108, and the direct voltage of communication base station supplied by AC/DC electricity system 300 breaker in middle power supply 302;
B) control circuit 201 judges that whether the alternating voltage of the direct voltage of Switching Power Supply 302, the voltage of inverter 103 and utility grid 108 is normal; When the alternating voltage of the direct voltage of Switching Power Supply 302, the voltage of inverter 103 and utility grid 108 is abnormal, then enter step c);
C) control loop 201 judges that whether the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103 is normal;
When the direct voltage of Switching Power Supply 302 is abnormal with the output voltage of inverter 103, then enter step d);
D) control loop 201 judges that whether the output voltage of the direct voltage of Switching Power Supply 302 and utility grid 108 is normal; If the output voltage of the direct voltage of Switching Power Supply 302 and utility grid 108 is normal, and host computer has " quick charge " instruction, then control loop 201 exports control command to drive circuit 203, the change over switch 104 in major loop 100 is controlled by drive circuit 203, disconnect the out-put supply of inverter 105, connect the out-put supply of utility grid 108, provide AC power by utility grid 108 to communication base station supplied by AC/DC electricity system 300, and return step a);
Embodiment 5
The control method of communication base station monitoring device 200 comprises the following steps:
A) sample circuit 202 is by the alternating voltage of the inverter 103 in contravarianter voltage testing circuit 205, utility grid voltage detecting circuit 206, supply voltage switch testing circuit 207, sampling major loop 100 and utility grid 108, and the direct voltage of communication base station supplied by AC/DC electricity system 300 breaker in middle power supply 302;
B) control circuit 201 judges that whether the alternating voltage of the direct voltage of Switching Power Supply 302, the voltage of inverter 103 and utility grid 108 is normal; When the alternating voltage of the direct voltage of Switching Power Supply 302, the voltage of inverter 103 and utility grid 108 is abnormal, then enter step c);
C) control loop 201 judges that whether the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103 is normal; When the direct voltage of Switching Power Supply 302 is abnormal with the output voltage of inverter 103, then enter step d);
D) control loop 201 judges that whether the output voltage of the direct voltage of Switching Power Supply 302 and utility grid 108 is normal; When the direct voltage of Switching Power Supply 302 is abnormal with the output voltage of utility grid 108, then enter step e);
E) control loop 201 judges that whether the direct voltage of Switching Power Supply is normal; When the direct voltage of Switching Power Supply is normal, and host computer is without " quick charge " instruction, the alternating voltage of inverter is abnormal, and utility grid alternating voltage is normal, then control loop 201 exports control command to drive circuit 203, the change over switch 104 in major loop 100 is controlled by drive circuit, disconnect the out-put supply of inverter 105, connect the out-put supply of utility grid 108, AC power is provided to communication base station supplied by AC/DC electricity system 300 by utility grid 108, send fault message to host computer, and return step a);
This patent is described by specific implementation process, when not departing from this patent scope, various conversion and equivalent replacement can also be carried out to this patent, therefore, this patent is not limited to disclosed specific implementation process, and should comprise the whole embodiments fallen within the scope of patent claims.
Claims (1)
1. the control method of communication base station monitoring device in Universal communication base station new forms of energy central power supply system, electric power system forms primarily of communication base station new forms of energy centrally connected power supply major loop, communication base station monitoring device and communication base station supplied by AC/DC electricity system; Communication base station new forms of energy centrally connected power supply major loop comprises solar cell, solar energy MPPT controller, inverter, change over switch, outer storage battery, wind-powered engine, controller of fan, utility grid; Communication base station monitoring device comprises control circuit, sample circuit, drive circuit, RS-485 port, contravarianter voltage testing circuit, utility grid voltage detecting circuit, supply voltage switch testing circuit; Communication base station supplied by AC/DC electricity system is made up of A.C. distribution box, Switching Power Supply, communication equipment, interior storage battery, uninterrupted power supply, air-conditioning, illumination, socket, mobile diesel engine and Surge Protector; Communication base station new forms of energy centrally connected power supply major loop and communication base station monitoring device are implemented to provide new energy to communication base station supplied by AC/DC electricity system; The solar energy MPPT controller of communication base station new forms of energy centrally connected power supply major loop and controller of fan are solar energy MPPT controller and the controller of fan with MPPT maximum power point tracking controlling functions; It is characterized in that:
The control method of communication base station monitoring device comprises the following steps:
A) sample circuit is by the alternating voltage of the inverter in contravarianter voltage testing circuit, utility grid voltage detecting circuit, supply voltage switch testing circuit sampling communication base station new forms of energy central power supply system major loop and utility grid, and the direct voltage of communication base station supplied by AC/DC electricity system breaker in middle power supply;
B) control circuit judges that whether the alternating voltage of the direct voltage of Switching Power Supply, the alternating voltage of inverter and utility grid is normal;
When the alternating voltage of the direct voltage of Switching Power Supply, the alternating voltage of inverter and utility grid is normal, then control circuit exports control command to drive circuit, the change over switch in communication base station new forms of energy central power supply system major loop is driven by drive circuit, allow the out-put supply of inverter provide power supply by change over switch to communication base station supplied by AC/DC electricity system, and return step a);
When the alternating voltage of the direct voltage of Switching Power Supply, the alternating voltage of inverter and utility grid is abnormal, then enter step c);
C) control circuit judges that whether the alternating voltage of the direct voltage of Switching Power Supply and inverter is normal;
When the direct voltage of Switching Power Supply and the alternating voltage of inverter normal, and host computer is without " quick charge " instruction, then control circuit exports control command to drive circuit, the change over switch in communication base station new forms of energy central power supply system major loop is controlled by drive circuit, connect the out-put supply of inverter, disconnect the out-put supply of utility grid, provide power supply by inverter to communication base station supplied by AC/DC electricity system, and return step a);
When the direct voltage of Switching Power Supply is abnormal with the alternating voltage of inverter, then enter step d);
D) control circuit judges that whether the alternating voltage of the direct voltage of Switching Power Supply and utility grid is normal;
If the alternating voltage of the direct voltage of Switching Power Supply and utility grid is normal, and host computer has " quick charge " instruction, then control circuit exports control command to drive circuit, the change over switch in communication base station new forms of energy central power supply system major loop is controlled by drive circuit, disconnect the out-put supply of inverter, connect the out-put supply of utility grid, provide AC power by utility grid to communication base station supplied by AC/DC electricity system, and return step a);
When the direct voltage of Switching Power Supply is abnormal with the alternating voltage of utility grid, then enter step e);
E) control circuit judges that whether the direct voltage of Switching Power Supply is normal;
When the direct voltage of Switching Power Supply is normal, and host computer is without " quick charge " instruction, the alternating voltage of inverter is abnormal, and utility grid alternating voltage is normal, then control circuit exports control command to drive circuit, the change over switch in communication base station new forms of energy central power supply system major loop is controlled by drive circuit, disconnect the out-put supply of inverter, connect the out-put supply of utility grid, AC power is provided to communication base station supplied by AC/DC electricity system by utility grid, send fault message to host computer, and return step a);
When the direct voltage of Switching Power Supply is abnormal, then enter step f);
If f) direct voltage of Switching Power Supply is abnormal, then control circuit exports control command to drive circuit, the change over switch in communication base station new forms of energy central power supply system major loop is controlled by drive circuit, disconnect the out-put supply of inverter and utility grid, stop providing AC power in communication base station supplied by AC/DC electricity system, send fault message to host computer, and return step a).
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| CN103441565A (en) * | 2013-08-21 | 2013-12-11 | 苏州张扬能源科技有限公司 | Self-powered air-conditioning system |
| CN103944255B (en) * | 2014-04-29 | 2017-07-07 | 北京凯华网联新能源技术有限公司 | A kind of auxiliary power unit and its method of supplying power to for new energy mobile base station |
| CN104776550A (en) * | 2014-06-26 | 2015-07-15 | 王舜 | Power supply system of air conditioner |
| CN105375617A (en) * | 2015-12-23 | 2016-03-02 | 上海电机学院 | Wind-solar complementary uninterruptible power supply charging at night and operation method thereof |
| CN106330059A (en) * | 2016-09-06 | 2017-01-11 | 北京慧峰聚能科技有限公司 | Wind/solar/electricity complementary power supply system for urban road monitoring device |
| CN106655456A (en) * | 2017-03-20 | 2017-05-10 | 深圳市拓革科技有限公司 | Control system for realizing hybrid charging of wind power, solar energy and AC |
| CN107576000A (en) * | 2017-10-19 | 2018-01-12 | 桂林师范高等专科学校 | A kind of communication base station energy-conserving system |
| CN109245161A (en) * | 2018-10-18 | 2019-01-18 | 北京凯华网联新能源技术有限公司 | Photovoltaic for base station is from grid-connected integrated inverter power supply control system and method |
| CN110266030B (en) * | 2019-06-13 | 2021-11-16 | 中国铁塔股份有限公司 | Control device and control method |
| CN111740462A (en) * | 2020-06-30 | 2020-10-02 | 盐城欢创科技有限公司 | Auxiliary power supply device for new energy mobile base station and power supply method thereof |
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