CN103066679A - 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
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- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
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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
The base station is the public mobile communication base station, is a kind of form at Radio Station station, refers in certain area of radio coverage, and by mobile switching center, and the radio station is believed in the transceiving that the information of carrying out between the mobile telephone terminal is transmitted.The construction of mobile communication base station is the pith of China mobile communication carrier investment, and the construction of mobile communication base station generally all is to carry out around coverage rate, speech quality, returns of investment, construction difficulty or ease, the key element such as easy to maintenance.
Present energy-saving and emission-reduction new energy systems technology scheme to communication base station supplied by AC/DC electricity System Implementation, mainly replenish the new forms of energy electric energy take wind-powered engine as former electric power system, the direct voltage of controller of fan output directly accesses, and with communication base station supplied by AC/DC electricity system in rectifier output dc bus place and connect, still take the utility grid power supply as main, do not play the purpose of utilizing new forms of energy fully.On the other hand, if when wind-powered engine is powered to communication equipment, again to charge in batteries, need to increase the power of wind-powered engine, cause cost of investment higher, utilance is lower.In addition, this technical scheme need to be carried out the transformation of part connection line to existing communication base station supplied by AC/DC electricity system.
For reducing solar energy or wind energy generation of electricity by new energy cost, take into full account the characteristics such as the zones of different of communication base station electric power system and capacity, do not need simultaneously existing communication base station supplied by AC/DC electricity system is carried out the transformation of part connection line, 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 the original civil power supplied by AC/DC electricity of communication base station system realizes in the new energy mode as main, the 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 the selection of solar energy and wind energy new energy mode, reduce the base station to the consumption of conventional energy resource, and reduce carbon emission and dusty gas discharging because using conventional energy resource to produce, take full advantage of new forms of energy.
Therefore, designing a kind of universal communication base station solar wind-energy central power supply system, be fit to different demands and the capacity of former 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, make communication base station supplied by AC/DC electricity system can take full advantage of new forms of energy, and has a higher fail safe, simultaneously, equipment is simple, has energy-saving and emission-reduction, cost is low, efficient is high, versatility, the characteristics such as easy of integration.
The technical solution used in the present invention: electric power system mainly is comprised of communication base station new forms of energy centrally connected power supply major loop 100, communication base station monitoring device 200 and former 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.Former 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 implemented to provide new energy to former 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 is used for the output voltage of solar cell is carried out the rear output dc voltage of MPPT maximum power point tracking control, externally storage battery 105 charges on the one hand, provides direct voltage for inverter 103 afterwards with outer storage battery 105 parallel connections on the other hand;
Described universal communication base station new forms of energy central power supply system, system adopts the 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 used for the output voltage of wind-powered engine 106 is controlled rear output dc voltage, externally storage battery 105 charges on the one hand, provides direct voltage for inverter 103 afterwards with outer storage battery 105,102 parallel connections of solar energy MPPT controller on the other hand.
The output end signal of the input end signal of outer storage battery 105 and solar energy MPPT controller 102 and controller of fan 107, and the input end signal of inverter 103 connects, when solar cell 101 or wind-powered engine 106 can not provide the power supply of the normal operation of the system of keeping, outer storage battery 105 provided power supply for inverter 103; The input end signal of inverter 103 is connected with solar energy MPPT controller 102, controller of fan 107 and the output end signal of outer storage battery 105, and the direct voltage that they are provided is converted to alternating voltage; The input end signal of change over switch 104 with inverter 103, utility grid 108 and the output end signal of the drive circuit 203 during the communication base station monitoring device is connected be connected, control command according to 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, the output end signal by change over switch 104 is connected with the input end signal of the A.C. distribution box 301 of communication base station supplied by AC/DC electricity system 300.
The solar energy MPPT controller 102 of communication base station new forms of energy centrally connected power supply major loop 100 and solar energy MPPT controller 102 and the controller of fan 107 of controller of fan 107 for having MPPT maximum power point tracking control function.
Communication base station monitoring device 200 in the described universal communication base station new forms of energy central power supply system, contravarianter voltage testing circuit 205 and the utility grid voltage detecting circuit 206 of the input end signal of its sample circuit 202 and communication base station new forms of energy centrally connected power supply major loop 100, and the output end signal of the supply voltage switch testing circuit 207 of former communication base station supplied by AC/DC electricity system 300 connects, and the output end signal of sample circuit 202 is connected with the input end signal of control circuit 201; Output end signal with control circuit 201 of separate CPU control function is connected with the input end signal of drive circuit 203, the input end signal of control circuit 201 and sample circuit 202 are connected the input end signal of RS-485 port 204 and are connected with host computer, whether the parameter according to sample circuit 202 normally controls judgement, and the output control command is to drive circuit 203; The input end signal of the change over switch 104 in the output end signal of drive circuit 203 and the major loop 100 is connected, and the power by increasing control signal also outputs to change over switch 104.
The control method of communication base station monitoring device 200 may further comprise the steps:
A) sample circuit 202 is by the inverter 103 in contravarianter voltage testing circuit 205, utility grid voltage detecting circuit 206, supply voltage switch testing circuit 207, the sampling major loop 100 and the alternating voltage of utility grid 108, and the direct voltage of Switching Power Supply 302 in the communication base station supplied by AC/DC electricity system 300;
B) control circuit 201 judges whether the alternating voltage of the voltage of direct voltage, inverter 103 of Switching Power Supply 302 and utility grid 108 is normal;
When the alternating voltage of the voltage of the direct voltage of Switching Power Supply 302, inverter 103 and utility grid 108 normal, then the output control command of control loop 201 is to drive circuit 203, by the change over switch 104 in the drive circuit 203 driving major loops 100, 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);
Undesired when the alternating voltage of the voltage of the direct voltage of Switching Power Supply 302, inverter 103 and utility grid 108, then enter step c);
C) control loop 201 judges whether the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103 is normal;
When the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103 normal, and host computer is without " quick charge " instruction, then control loop 201 output control commands are to drive circuit 203, by the change over switch 104 in the drive circuit 203 control major loops 100, 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);
Undesired when the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103, then enter step d);
D) control loop 201 judges 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 output control commands are to drive circuit 203, by the change over switch 104 in the drive circuit 203 control major loops 100, 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);
Undesired when the output voltage of the direct voltage of Switching Power Supply 302 and utility grid 108, then enter step e);
E) control loop 201 judges whether the direct voltage of Switching Power Supply is normal;
When the direct voltage of Switching Power Supply normal, and host computer is without " quick charge " instruction, the alternating voltage of inverter is undesired, and the utility grid alternating voltage is normal, then control loop 201 output control commands are to drive circuit 203, by the change over switch 104 in the drive circuit control major loop 100, 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, send fault message to host computer, and return step a);
Undesired when the direct voltage of Switching Power Supply, then enter step f);
F) if the direct voltage of Switching Power Supply is undesired, then control loop 201 output control commands are to drive circuit 203, by the change over switch 104 in the drive circuit control major loop 100, disconnect the out-put supply of inverter 105 and utility grid 108, stop to provide 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 all were public in the market conventional equipment, all the other were product and the equipment of my research and development.
Beneficial effect of the present invention: the embedded computer communication base station monitoring device that this patent adopts Computer Control Technology and artificial intelligence technology to form, the intellectual monitoring of realization and control.The generating voltage of the solar energy MPPT controller of design and wind energy controller energy detecting real-time solar panels and wind-powered engine, and follow the trail of maximum voltage value, make system reach the highest efficient.The inverter full digital control based on DSP technology of design, High ireguency SPWM technology and advanced IGBT module make system effectiveness higher.
A) realize the rational management that solar energy or wind energy new energy and utility grid are powered, make the maximization of generation of electricity by new energy amount and energy-saving effect maximization.
B) realize efficient system reasonable disposition and integrated, guaranteeing and satisfying under the demand of base station communication apparatus power consumption, save the capacity of solar panel or blower fan.
C) intellectual monitoring between the power supply of realization new energy and utility grid and automatically control.
D) optional position of realization communication base station and the low cost under the layout, high efficiency, continuity, fail safe and universal.
Simultaneously, this patent has been determined control strategy and the control algolithm of communication base station monitoring device, and establishment and developed the software and hardware of corresponding control and communication system, can be system take full advantage of new forms of energy, versatility grow, the system integration easily, cost, efficient be higher.
Description of drawings
Fig. 1 is circuit structure schematic diagram of the present invention.
Fig. 2 is control flow chart of the present invention.
Among the figure: 100-communication base station new forms of energy central power supply system major loop; the 101-solar cell; 102-solar energy MPPT controller; the 103-inverter; the 104-change over switch; the outer storage battery of 105-; the 106-wind-powered engine; the 107-controller of fan; the 108-utility grid; 200-communication base station monitoring device; the 201-control circuit; the 202-sample circuit; the 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; the 301-A.C. distribution box; the 302-Switching Power Supply; storage battery in the 303-communication equipment, 305-; the 306-uninterrupted power supply; the 307-air-conditioning; the 308-illumination; the 309-socket; the 310-mobile diesel engine; the 311-Surge Protector.
Embodiment
Below in conjunction with drawings and Examples this patent is described further.
As shown in Figure 1, electric power system mainly is comprised of communication base station new forms of energy centrally connected power supply major loop 100, communication base station monitoring device 200 and former 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.Former 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 implemented to provide new energy to former 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 is used for the output voltage of solar cell is carried out the rear output dc voltage of MPPT maximum power point tracking control, externally storage battery 105 charges on the one hand, provides direct voltage for inverter 103 afterwards with outer storage battery 105 parallel connections on the other hand;
Described universal communication base station new forms of energy central power supply system, system adopts the 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 used for the output voltage of wind-powered engine 106 is controlled rear output dc voltage, externally storage battery 105 charges on the one hand, provides direct voltage for inverter 103 afterwards with outer storage battery 105,102 parallel connections of solar energy MPPT controller on the other hand.
The output end signal of the input end signal of outer storage battery 105 and solar energy MPPT controller 102 and controller of fan 107, and the input end signal of inverter 103 connects, when solar cell 101 or wind-powered engine 106 can not provide the power supply of the normal operation of the system of keeping, outer storage battery 105 provided power supply for inverter 103;
The input end signal of inverter 103 is connected with solar energy MPPT controller 102, controller of fan 107 and the output end signal of outer storage battery 105, and the direct voltage that they are provided is converted to alternating voltage; The input end signal of change over switch 104 with inverter 103, utility grid 108 and the output end signal of the drive circuit 203 during the communication base station monitoring device is connected be connected, control command according to 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, the output end signal by change over switch 104 is connected with the input end signal of the A.C. distribution box 301 of communication base station supplied by AC/DC electricity system 300.
The solar energy MPPT controller 102 of communication base station new forms of energy centrally connected power supply major loop 100 and solar energy MPPT controller 102 and the controller of fan 107 of controller of fan 107 for having MPPT maximum power point tracking control function.
Communication base station monitoring device 200 in the described universal communication base station new forms of energy central power supply system, contravarianter voltage testing circuit 205 and the utility grid voltage detecting circuit 206 of the input end signal of its sample circuit 202 and communication base station new forms of energy centrally connected power supply major loop 100, and the output end signal of the supply voltage switch testing circuit 207 of former communication base station supplied by AC/DC electricity system 300 connects, and the output end signal of sample circuit 202 is connected with the input end signal of control circuit 201; Output end signal with control circuit 201 of separate CPU control function is connected with the input end signal of drive circuit 203, the input end signal of control circuit 201 and sample circuit 202 are connected the input end signal of RS-485 port 204 and are connected with host computer, whether the parameter according to sample circuit 202 normally controls judgement, and the output control command is to drive circuit 203; The input end signal of the change over switch 104 in the output end signal of drive circuit 203 and the major loop 100 is connected, and the power by increasing control signal also outputs to change over switch 104.
Embodiment 1
As shown in Figure 2: the control method of communication base station monitoring device 200 may further comprise the steps:
A) sample circuit 202 is by the inverter 103 in contravarianter voltage testing circuit 205, utility grid voltage detecting circuit 206, supply voltage switch testing circuit 207, the sampling major loop 100 and the alternating voltage of utility grid 108, and the direct voltage of Switching Power Supply 302 in the communication base station supplied by AC/DC electricity system 300;
B) control circuit 201 judges whether the alternating voltage of the voltage of direct voltage, inverter 103 of Switching Power Supply 302 and utility grid 108 is normal; Undesired when the alternating voltage of the voltage of the direct voltage of Switching Power Supply 302, inverter 103 and utility grid 108, then enter step c);
C) control loop 201 judges whether the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103 is normal;
Undesired when the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103, then enter step d);
D) control loop 201 judges whether the output voltage of the direct voltage of Switching Power Supply 302 and utility grid 108 is normal; Undesired when the output voltage of the direct voltage of Switching Power Supply 302 and utility grid 108, then enter step e);
E) control loop 201 judges whether the direct voltage of Switching Power Supply is normal; Undesired when the direct voltage of Switching Power Supply, then enter step f);
F) if the direct voltage of Switching Power Supply is undesired, then control loop 201 output control commands are to drive circuit 203, by the change over switch 104 in the drive circuit control major loop 100, disconnect the out-put supply of inverter 105 and utility grid 108, stop to provide 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 may further comprise the steps:
A) sample circuit 202 is by the inverter 103 in contravarianter voltage testing circuit 205, utility grid voltage detecting circuit 206, supply voltage switch testing circuit 207, the sampling major loop 100 and the alternating voltage of utility grid 108, and the direct voltage of Switching Power Supply 302 in the communication base station supplied by AC/DC electricity system 300;
B) control circuit 201 judges whether the alternating voltage of the voltage of direct voltage, inverter 103 of Switching Power Supply 302 and utility grid 108 is normal;
When the alternating voltage of the voltage of the direct voltage of Switching Power Supply 302, inverter 103 and utility grid 108 normal, then the output control command of control loop 201 is to drive circuit 203, by the change over switch 104 in the drive circuit 203 driving major loops 100, 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 may further comprise the steps:
A) sample circuit 202 is by the inverter 103 in contravarianter voltage testing circuit 205, utility grid voltage detecting circuit 206, supply voltage switch testing circuit 207, the sampling major loop 100 and the alternating voltage of utility grid 108, and the direct voltage of Switching Power Supply 302 in the communication base station supplied by AC/DC electricity system 300;
B) control circuit 201 judges whether the alternating voltage of the voltage of direct voltage, inverter 103 of Switching Power Supply 302 and utility grid 108 is normal; Undesired when the alternating voltage of the voltage of the direct voltage of Switching Power Supply 302, inverter 103 and utility grid 108, then enter step c);
C) control loop 201 judges whether the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103 is normal;
When the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103 normal, and host computer is without " quick charge " instruction, then control loop 201 output control commands are to drive circuit 203, by the change over switch 104 in the drive circuit 203 control major loops 100, 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 may further comprise the steps:
A) sample circuit 202 is by the inverter 103 in contravarianter voltage testing circuit 205, utility grid voltage detecting circuit 206, supply voltage switch testing circuit 207, the sampling major loop 100 and the alternating voltage of utility grid 108, and the direct voltage of Switching Power Supply 302 in the communication base station supplied by AC/DC electricity system 300;
B) control circuit 201 judges whether the alternating voltage of the voltage of direct voltage, inverter 103 of Switching Power Supply 302 and utility grid 108 is normal; Undesired when the alternating voltage of the voltage of the direct voltage of Switching Power Supply 302, inverter 103 and utility grid 108, then enter step c);
C) control loop 201 judges whether the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103 is normal;
Undesired when the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103, then enter step d);
D) control loop 201 judges 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 output control commands are to drive circuit 203, by the change over switch 104 in the drive circuit 203 control major loops 100, 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 may further comprise the steps:
A) sample circuit 202 is by the inverter 103 in contravarianter voltage testing circuit 205, utility grid voltage detecting circuit 206, supply voltage switch testing circuit 207, the sampling major loop 100 and the alternating voltage of utility grid 108, and the direct voltage of Switching Power Supply 302 in the communication base station supplied by AC/DC electricity system 300;
B) control circuit 201 judges whether the alternating voltage of the voltage of direct voltage, inverter 103 of Switching Power Supply 302 and utility grid 108 is normal; Undesired when the alternating voltage of the voltage of the direct voltage of Switching Power Supply 302, inverter 103 and utility grid 108, then enter step c);
C) control loop 201 judges whether the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103 is normal; Undesired when the output voltage of the direct voltage of Switching Power Supply 302 and inverter 103, then enter step d);
D) control loop 201 judges whether the output voltage of the direct voltage of Switching Power Supply 302 and utility grid 108 is normal; Undesired when the output voltage of the direct voltage of Switching Power Supply 302 and utility grid 108, then enter step e);
E) control loop 201 judges whether the direct voltage of Switching Power Supply is normal; When the direct voltage of Switching Power Supply normal, and host computer is without " quick charge " instruction, the alternating voltage of inverter is undesired, and the utility grid alternating voltage is normal, then control loop 201 output control commands are to drive circuit 203, by the change over switch 104 in the drive circuit control major loop 100, 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, send fault message to host computer, and return step a);
This patent describes by specific implementation process, in the situation that do not break away from this patent scope, can also carry out various conversion and be equal to replacement this patent, therefore, this patent is not limited to disclosed specific implementation process, and should comprise the whole embodiments that fall in this patent claim scope.
Claims (7)
1. universal communication base station new forms of energy central power supply system is characterized in that: electric power system mainly is comprised of communication base station new forms of energy centrally connected power supply major loop, communication base station monitoring device and former 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; The 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; Former communication base station supplied by AC/DC electricity system is by A.C. distribution box, Switching Power Supply, communication equipment, and interior storage battery, uninterrupted power supply, air-conditioning, illumination, socket, mobile diesel engine and Surge Protector form; 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 former communication base station supplied by AC/DC electricity system.
2. a kind of universal communication base station new forms of energy central power supply system according to claim 1, it is characterized in that: 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 to be connected with the input end signal of solar energy MPPT controller, solar energy MPPT controller is used for the output voltage of solar cell is carried out the rear output dc voltage of MPPT maximum power point tracking control, on the one hand externally storage battery charges, and provides direct voltage for inverter on the other hand with after the outer storage battery parallel connection.
3. a kind of universal communication base station new forms of energy central power supply system according to claim 1, it is characterized in that: described universal communication base station new forms of energy central power supply system, system adopts the wind energy centralized power supply system, the output end signal of wind-powered engine is connected with the input end signal of controller of fan, controller of fan is used for the output voltage of wind-powered engine is controlled rear output dc voltage, on the one hand externally storage battery charges, and provides direct voltage for inverter on the other hand with after outer storage battery, the parallel connection of solar energy MPPT controller.
4. according to claim 2,3 described a kind of universal communication base station new forms of energy central power supply systems, it is characterized in that, the output end signal of the input end signal of outer storage battery and solar energy MPPT controller and controller of fan, and the input end signal of inverter connects, when solar cell or wind-powered engine can not provide the power supply of the normal operation of the system of keeping, outer storage battery provided power supply for inverter; The input end signal of inverter is connected with the output end signal of solar energy MPPT controller, controller of fan and outer storage battery, and the direct voltage that they are provided is converted to alternating voltage; The input end signal of change over switch is connected with inverter, utility grid and the output end signal of the drive circuit that the communication base station monitoring device is connected, control command according to the communication base station monitoring device, select inverter or utility grid to provide power supply for communication base station supplied by AC/DC electricity system, the output end signal by change over switch is connected with the input end signal of the A.C. distribution box of communication base station supplied by AC/DC electricity system.
5. a kind of universal communication base station new forms of energy central power supply system according to claim 1, it is characterized in that, 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 control function.
6. a kind of universal communication base station new forms of energy central power supply system according to claim 1, it is characterized in that: the communication base station monitoring device in the described universal communication base station new forms of energy central power supply system, contravarianter voltage testing circuit and the utility grid voltage detecting circuit of the input end signal of its sample circuit and communication base station new forms of energy centrally connected power supply major loop, and the output end signal of the supply voltage switch testing circuit of former communication base station supplied by AC/DC electricity system connects, and the output end signal of sample circuit is connected with the input end signal of control circuit; Output end signal with control circuit of separate CPU control function is connected with the input end signal of drive circuit, the input end signal of control circuit and sample circuit are connected the input end signal of RS-485 port and are connected with host computer, whether the parameter according to sample circuit normally controls judgement, and the output control command is to drive circuit; The input end signal of the change over switch in the output end signal of drive circuit and the major loop is connected, and the power by increasing control signal also outputs to change over switch.
7. a kind of universal communication base station new forms of energy central power supply system according to claim 5, it is characterized in that: the control method of communication base station monitoring device may further comprise the steps:
A) sample circuit is by the inverter in contravarianter voltage testing circuit, utility grid voltage detecting circuit, supply voltage switch testing circuit, the sampling major loop and the alternating voltage of utility grid, and the direct voltage of Switching Power Supply in the communication base station supplied by AC/DC electricity system;
B) control circuit judges whether the alternating voltage of the voltage of direct voltage, inverter of Switching Power Supply and utility grid is normal;
When the alternating voltage of the voltage of the direct voltage of Switching Power Supply, inverter and utility grid normal, then the output control command of control loop is to drive circuit, by the change over switch in the drive circuit driving major loop, allow the out-put supply of inverter provide power supply by change over switch to communication base station supplied by AC/DC electricity system 300, and return step a);
Undesired when the alternating voltage of the voltage of the direct voltage of Switching Power Supply, inverter and utility grid, then enter step c);
C) control loop judges whether the output voltage of the direct voltage of Switching Power Supply and inverter is normal;
When the output voltage of the direct voltage of Switching Power Supply and inverter normal, and host computer is without " quick charge " instruction, then control loop output control command is to drive circuit, by the change over switch in the drive circuit control major loop, 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);
Undesired when the output voltage of the direct voltage of Switching Power Supply and inverter, then enter step d);
D) control loop judges whether the output voltage of the direct voltage of Switching Power Supply and utility grid is normal;
If the output voltage of the direct voltage of Switching Power Supply and utility grid is normal, and host computer has " quick charge " instruction, then control loop output control command is to drive circuit, by the change over switch in the drive circuit control major loop, 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);
Undesired when the output voltage of the direct voltage of Switching Power Supply and utility grid, then enter step e);
E) control loop judges whether the direct voltage of Switching Power Supply is normal;
When the direct voltage of Switching Power Supply normal, and host computer is without " quick charge " instruction, the alternating voltage of inverter is undesired, and the utility grid alternating voltage is normal, and then control loop output control command is to drive circuit, by the change over switch in the drive circuit control major loop, 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, send fault message to host computer, and return step a);
Undesired when the direct voltage of Switching Power Supply, then enter step f);
F) if the direct voltage of Switching Power Supply is undesired, then control loop output control command is to drive circuit, by the change over switch in the drive circuit control major loop, disconnect the out-put supply of inverter and utility grid, stop to provide AC power to communication base station supplied by AC/DC electricity system, send fault message to host computer, and return step a).
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| CN103944255A (en) * | 2014-04-29 | 2014-07-23 | 北京凯华网联新能源技术有限公司 | Auxiliary power supply device used for new energy mobile base station and power supply method of auxiliary power supply device |
| 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 |
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| 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 |
| CN110266030A (en) * | 2019-06-13 | 2019-09-20 | 中国铁塔股份有限公司 | A kind of control device and control method |
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| 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 |
| CN110266030A (en) * | 2019-06-13 | 2019-09-20 | 中国铁塔股份有限公司 | A kind of 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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