CN113453088A - Emergency combined backup power supply integrated equipment for communication base station - Google Patents
Emergency combined backup power supply integrated equipment for communication base station Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to emergency combined backup power supply integrated equipment for a communication base station, which relates to the technical field of backup power supplies of the communication base station, combines wind power generation, solar power generation and diesel engine power generation, and when the mains supply is cut off, the power generation combination is reasonably allocated to generate power so as to ensure that the communication base station can continuously and stably work under the condition of mains supply outage, and by arranging the detection device and the control device, the power generation, power supply and external influence factors are detected in real time, the power generation and the electric energy distribution are adjusted according to the real-time monitoring result, the rotating speed of the diesel generator is regulated by the parameter regulating module according to the comparison result of the real-time power of the communication base station and the preset power, and adjusting the preset power according to the comparison result of the atmospheric temperature and the preset temperature, so that the power supply efficiency and the continuous stability of the communication base station by the backup power are improved.
Description
Technical Field
The invention relates to the technical field of communication base station standby power supplies, in particular to emergency combined type standby power supply integrated equipment for a communication base station.
Background
The communication base station is used as an important information exchange node in the information era, great convenience is provided for human life and production, the work of the communication base station can not be supported by electric energy, but the communication base station is generally connected with mains supply, in order to ensure the continuous stability of the work of the communication base station, in the prior art, a standby power supply is installed for the communication base station when the communication base station is established, the standby power supply of the base station is a standby power supply which is arranged for keeping the normal work of the base station after the power supply of the base station cannot work normally, the communication of the base station is safer due to the use of the standby power supply, time is provided for rush repair and replacement of the power supply of the base station, and the conventional standby power supply can basically ensure the normal and stable work of the communication base station when the mains supply fails in a short time.
The stand-by power supply in the prior art can not guarantee the power supply of the communication base station when the long-time power failure of the communication base station or natural disasters occurs, and the control precision of the power supply process is not high in the power supply process of the existing stand-by power supply during the long-time power failure, so that the power supply efficiency of the stand-by power supply is low.
Disclosure of Invention
Therefore, the invention provides an emergency combined type backup power supply integrated device for a communication base station, which is used for solving the problem of low power supply efficiency of a backup power supply caused by low control precision of a power supply process in the prior art.
In order to achieve the above object, the present invention provides an emergency combined backup power supply integrated device for a communication base station, including a power supply device for providing electric energy for the communication base station, a detection device for detecting an electricity utilization condition of the communication base station, and a control device for controlling the power supply of the power supply device, wherein the power supply device, the detection device, and the control device are all arranged in a box body, and the power supply device, the detection device, and the control device are all connected with each other;
the power supply device comprises a wind power generation device, a solar power generation device, a diesel generator and a storage battery;
the detection device comprises a temperature sensor for detecting the atmospheric temperature, a line detection module for detecting the on-off of the communication base station connected to a mains supply circuit, a generating capacity acquisition module for detecting the generating capacity of the wind power generation device, the solar power generation device and the diesel generator, and a power consumption detection module for detecting the power consumption of the communication base station;
the control device comprises a power supply converter for switching the power supply of a mains supply and the power supply device, an electric quantity distribution module for distributing electric quantity to the communication base station, and a parameter adjusting module for adjusting the power supply parameter of the power supply device, wherein the power supply conversion module is respectively connected with the wind power generation device, the solar power generation device and the diesel generator;
the electric quantity distribution module is also used for judging whether to start the diesel generator according to the comparison result of the total electric consumption quantity and the residual electric quantity of the storage battery within the preset time length of the communication base station and determining the rotating speed of the diesel generator according to the comparison result of the difference value of the total electric consumption quantity and the residual electric quantity of the storage battery and the preset difference value;
the parameter adjusting module is further used for adjusting the rotating speed of the started diesel generator according to a comparison result of the real-time power of the communication base station and the preset power, adjusting the preset power when the temperature sensor detects that the temperature exceeds the preset temperature, and correcting the preset power when the power-off duration of the mains supply exceeds the preset power-off duration.
Further, the power consumption detecting module includes a module for detecting a total power consumption W of the communication base station within a preset time period T0 when the communication base station is connected to a utility power, and for acquiring a remaining power Ws of the storage battery when the power supply converter converts the utility power into a power supply of the power supply device, and comparing the total power consumption Wz with the remaining power Ws, the power distributing module is configured to determine whether to start the diesel generator according to a comparison result of the total power consumption Wz and the remaining power Ws,
if Wz is larger than Ws, the electric quantity distribution module judges that the diesel generator is started;
and if Wz is less than or equal to Ws, the power consumption detection module is used for further judging whether the generator is started according to the sum Wa of the power generation amount of the wind power generation device and the solar power generation device in unit time.
Further, the electric quantity distribution module is further configured to calculate a first electric quantity difference Cwa between the total electric quantity consumption Wz and the remaining electric quantity Ws when Wz > Ws, set Cwa = Wz-Ws, and determine the diesel generator rotation speed according to a comparison result between the difference and a preset difference,
the electric quantity distribution module is provided with a first preset electric quantity difference Cw1, a second preset electric quantity difference Cw2, a third preset electric quantity difference Cw3, a first rotating speed V1, a second rotating speed V2 and a third rotating speed V3, wherein Cwa1 is more than Cwa2 and less than Cwa3, V1 is more than V2 and less than V3,
when Cw1 is not less than Cwa and is less than Cw2, the electric quantity distribution module sets the rotating speed of the diesel generator to be a first rotating speed V1;
when Cw2 is not less than Cwa and is less than Cw3, the electric quantity distribution module sets the rotation speed of the diesel generator to be a second rotation speed V2;
when Cwa is larger than or equal to Cw3, the electric quantity distribution module sets the rotation speed of the diesel generator to be a third rotation speed V3.
Further, the power consumption detecting module is further configured to detect a sum Wa of power generation amounts of the wind power generation device and the solar power generation device in a unit time t, compare the sum Wa of the power generation amounts with a first power difference Cwa, determine whether to start the diesel generator according to a comparison result,
if Wa is less than Cw, the electric quantity distribution module judges that the diesel generator is started;
and if Wa is larger than or equal to Cw, the electric quantity distribution module judges that the diesel generator is not started.
Further, the electric quantity distribution module is further configured to calculate a second electric quantity difference Cwb between the sum Wa of the electric quantity generated and the first electric quantity difference Cwa when Wa is smaller than Cwa, set Cwb = Cwa-Wa, determine the rotation speed of the starting diesel generator according to a comparison result between the second electric quantity difference and a preset electric quantity difference,
when Cw1 is not less than Cwb and is more than Cw2, the electric quantity distribution module sets the rotating speed of the diesel generator to be a first rotating speed V1;
when Cw2 is not less than Cwb and is more than Cw3, the electric quantity distribution module sets the rotation speed of the diesel generator to be a second rotation speed V2;
when Cwb is greater than or equal to Cw3, the electric quantity distribution module sets the diesel generator speed to be the third speed V3.
Furthermore, the power consumption detecting module is further used for detecting the real-time power P of the communication base station, the parameter adjusting module adjusts the rotating speed of the generator according to the comparison result of the real-time power P of the communication base station detected by the power consumption detecting module and the preset power P0,
when P is larger than or equal to P0, the parameter adjusting module calculates a first power difference value delta Pa, delta Pa = P-P0 between the real-time power P and a preset power P0, the parameter adjusting module selects a corresponding rotation speed adjusting coefficient according to a comparison result between the first power difference value and the preset power difference value to adjust the rotation speed of the diesel generator, the electric quantity distribution module sets the rotation speed of the diesel generator after adjustment to be V4, sets V4= Vj multiplied Ki, wherein Ki is the rotation speed adjusting coefficient, Vj is the jth rotation speed, and sets j =1, 2, 3.
Further, when P is less than P0, the parameter adjusting module calculates a second power difference Δ Pb between the real-time power P and the preset power P0, and sets Δ Pb = P0-P, the parameter adjusting module selects a corresponding rotation speed correction coefficient according to a comparison result between the second power difference and the preset power difference to correct the rotation speed of the diesel generator, and the electric quantity distribution module sets the corrected rotation speed of the diesel generator to be V5 and sets V5= Vj × Xi, wherein Xi is the rotation speed correction coefficient.
Further, the parameter adjusting module is further configured to calculate a temperature difference Δ Q between the atmospheric temperature Q and a preset temperature Q0 when the temperature sensor detects that the atmospheric temperature Q exceeds the preset temperature Q0, set Δ Q = Q-Q0, and select a corresponding power adjusting coefficient according to a comparison result between the temperature difference and the preset temperature difference to adjust the preset power P0, where the parameter adjusting module sets the adjusted preset power to P0 ', and sets P0' = P0 × Kpe, where Kpe is a power adjusting coefficient.
Further, the parameter adjustment module is further configured to, when the power consumption amount detection module detects that the utility power outage duration Ts exceeds the preset power outage duration Ts0, calculate a power outage duration difference Δ T between the power outage duration Ts and the preset power outage duration Ts0, set Δ T = Ts-Ts0, and select a corresponding power correction coefficient to correct the preset power according to a comparison result of the power outage duration difference and the preset power outage duration difference, and the parameter adjustment module sets the corrected preset power to P0 ' ″, P0 ' = P0 ' Xpe ', where Xpe ' is the power correction coefficient.
Further, the parameter adjusting module is further provided with a maximum power Pmax, when the parameter adjusting module presets a power setting of P0 ' ″, the parameter adjusting module compares P0 ' ″ with the maximum power Pmax, and if P0 ' ≧ Pmax, the parameter adjusting module sends the result to the communication base station controller, which controls turning on of auxiliary equipment of the communication base station, such as an air conditioner and a lightning protection, at a cycle D. .
Compared with the prior art, the invention has the advantages that the wind power generation, the solar power generation and the diesel engine power generation are combined, the reasonable power generation and the reasonable allocation are carried out on the power generation combination when the mains supply is powered off, so that the communication base station can continuously and stably work under the condition of the mains supply power off, the power generation, the power supply and external influence factors are detected in real time by arranging the detection device and the control device, the power generation and the electric energy distribution are adjusted according to the real-time monitoring result, and the power supply efficiency and the continuous stability of the backup power supply for the communication base station are further improved.
Especially, the electric quantity distribution module determines to start the diesel generator and the rotating speed of the diesel generator according to the electricity consumption of the communication base station and the residual electric quantity of the storage battery, so that the storage battery can continuously and stably supply power for the communication base station when the electric quantity is low, and the power supply efficiency is further improved.
Especially, the rotating speed of the diesel generator is adjusted through the parameter adjusting module according to the comparison result of the real-time power of the communication base station and the preset power, the preset power is adjusted according to the comparison result of the atmospheric temperature and the preset temperature, and the continuous and stable power supply of the communication base station is further improved, so that the power supply efficiency is further improved.
Furthermore, the total power consumption of the communication emergency treatment within the preset time and the residual power of the storage battery during the power failure of the communication base station are detected through the power consumption detection module, and the power distribution module is used for judging to start the diesel generator to supply power according to the comparison result of the total power consumption and the residual power, so that the control precision of the combined backup power supply integrated equipment is improved, and the power supply efficiency is further improved.
Furthermore, the sum of the generated energy of the wind power generation device and the solar power generation device is detected through the power consumption detection module, the generated energy sum is compared with the difference value of the total power consumption and the residual power, whether the diesel generator is started or not is further judged according to the comparison result, the control precision of the combined backup power supply integrated equipment is further improved, and therefore the power supply efficiency is further improved.
Drawings
Fig. 1 is a schematic overall structure diagram of an emergency combined backup power supply integrated device for a communication base station according to the present invention;
fig. 2 is a logic block diagram of a detection device and a control device in the emergency combined backup power supply integrated equipment for a communication base station according to the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 and 2, fig. 1 is a schematic overall structure diagram of an emergency combined backup power supply integrated device for a communication base station according to the present invention; fig. 2 is a logic block diagram of a detection device and a control device in the emergency combined backup power supply integrated equipment for a communication base station according to the present invention.
The emergency combined type backup power supply integrated equipment for the communication base station comprises a power supply device 1 for providing electric energy for the communication base station 4, a detection device 2 for detecting the power consumption condition of the communication base station 4 and a control device 3 for controlling the power supply of the power supply device, wherein the power supply device 1, the detection device 2 and the control device 3 are all arranged in a box body, and the power supply device 1, the detection device 2 and the control device 3 are all connected with one another;
the power supply device 1 comprises a wind power generation device 11, a solar power generation device 12, a diesel generator 13 and a storage battery 14;
the detection device 2 comprises a temperature sensor 21 for detecting the atmospheric temperature, a line detection module for detecting the connection and disconnection of the communication base station connected to a mains supply circuit, a power generation amount acquisition module for detecting the power generation amounts of the wind power generation device 11, the solar power generation device 12 and the diesel generator 13, and a power consumption detection module for detecting the power consumption amount of the communication base station;
the control device 3 comprises a power supply converter 31 for switching the power supply of the commercial power and the power supply device 1, an electric quantity distribution module for distributing electric quantity to the communication base station, and a parameter adjusting module for adjusting the power supply parameter of the power supply device 1, wherein the power supply conversion module is respectively connected with the wind power generation device 11, the solar power generation device 12 and the diesel generator 13.
The electric quantity distribution module is also used for judging whether to start the diesel generator 13 according to a comparison result of the total electric consumption quantity in a preset time length of the communication base station 4 and the residual electric quantity of the storage battery 14 and determining the rotating speed of the diesel generator 13 according to a comparison result of a difference value between the total electric consumption quantity and the residual electric quantity of the storage battery 14 and a preset difference value;
the parameter adjusting module is further used for adjusting the rotating speed of the started diesel generator 13 according to a comparison result of the real-time power of the communication base station 4 and the preset power, adjusting the preset power when the temperature sensor 21 detects that the temperature exceeds the preset temperature, and correcting the preset power when the power-off duration of the mains supply exceeds the preset power-off duration.
Particularly, through making up wind power generation, solar energy power generation and diesel engine power generation to when the commercial power outage, carry out reasonable allotment to the electricity generation combination and carry out reasonable electricity generation, in order to guarantee that communication base station can be continuously stable under the commercial power outage condition and carry out work, and through setting up detection device and controlling means, carry out real-time detection to electricity generation, power supply and external influence factor, adjust electricity generation and regulation electric energy distribution according to real-time monitoring result, further improved backup source is communication base station's power supply efficiency and continuous stability.
Especially, the electric quantity distribution module determines to start the diesel generator and the rotating speed of the diesel generator according to the electricity consumption of the communication base station and the residual electric quantity of the storage battery, so that the storage battery can continuously and stably supply power for the communication base station when the electric quantity is low, and the power supply efficiency is further improved.
Especially, the rotating speed of the diesel generator is adjusted through the parameter adjusting module according to the comparison result of the real-time power of the communication base station and the preset power, the preset power is adjusted according to the comparison result of the atmospheric temperature and the preset temperature, and the continuous and stable power supply of the communication base station is further improved, so that the power supply efficiency is further improved.
The power supply converter is used for switching the mains supply of the communication base station into the power supply device for supplying power when the line detection module detects that the mains supply accessed by the communication base station is in a power-off state.
The power consumption detection module comprises a power consumption detection module and a power distribution module, wherein the power consumption detection module is used for detecting the total power consumption W of the communication base station within a preset time T0 when the communication base station is connected with a mains supply, acquiring the residual power Ws of the storage battery when the power supply converter converts the mains supply into the power supply of the power supply device, and comparing the total power consumption Wz with the residual power Ws, the power distribution module is used for determining whether to start the diesel generator according to the comparison result of the total power consumption Wz and the residual power Ws,
if Wz is larger than Ws, the electric quantity distribution module judges that the diesel generator is started;
and if Wz is less than or equal to Ws, the power consumption detection module is used for further judging whether the generator is started according to the sum Wa of the power generation amount of the wind power generation device and the solar power generation device in unit time.
Specifically, the total power consumption of the communication emergency treatment within a preset time and the residual power of the storage battery during the power failure of the communication base station are detected through the power consumption detection module, and the power distribution module judges to start the diesel generator to supply power according to the comparison result of the total power consumption and the residual power, so that the control precision of the combined backup power supply integrated equipment is improved, and the power supply efficiency is further improved.
The electric quantity distribution module is also used for calculating a first electric quantity difference Cwa between the total electric quantity consumption Wz and the residual electric quantity Ws when Wz is larger than Ws, setting Cwa = Wz-Ws, and determining the rotating speed of the diesel generator according to a comparison result of the difference and a preset difference,
the electric quantity distribution module is provided with a first preset electric quantity difference Cw1, a second preset electric quantity difference Cw2, a third preset electric quantity difference Cw3, a first rotating speed V1, a second rotating speed V2 and a third rotating speed V3, wherein Cwa1 is more than Cwa2 and less than Cwa3, V1 is more than V2 and less than V3,
when Cw1 is not less than Cwa and is less than Cw2, the electric quantity distribution module sets the rotating speed of the diesel generator to be a first rotating speed V1;
when Cw2 is not less than Cwa and is less than Cw3, the electric quantity distribution module sets the rotation speed of the diesel generator to be a second rotation speed V2;
when Cwa is larger than or equal to Cw3, the electric quantity distribution module sets the rotation speed of the diesel generator to be a third rotation speed V3.
Specifically, a plurality of preset electric quantity difference values and rotating speeds are set in the electric quantity distribution module, the electric quantity difference value of the total electric consumption quantity and the residual electric quantity is calculated, the rotating speed of the diesel generator is determined according to the comparison result of the electric quantity difference value and the preset electric quantity difference values, the control precision of the combined backup power supply integrated equipment is further improved, and the power supply efficiency is further improved.
The power consumption detection module is also used for detecting the sum Wa of the power generation amount of the wind power generation device and the solar power generation device in unit time t and comparing the sum Wa of the power generation amount with a first power difference Cwa, the power distribution module judges whether to start the diesel generator according to the comparison result,
if Wa is less than Cw, the electric quantity distribution module judges that the diesel generator is started;
and if Wa is larger than or equal to Cw, the electric quantity distribution module judges that the diesel generator is not started.
Specifically, the sum of the generated energy of the wind power generation device and the solar power generation device is detected through the power consumption detection module, the generated energy sum is compared with the difference value of the total power consumption and the residual power, whether the diesel generator is started or not is further judged according to the comparison result, the control precision of the combined backup power supply integrated equipment is further improved, and the power supply efficiency is further improved.
The electric quantity distribution module is further used for calculating a second electric quantity difference Cwb between the sum Wa of the generated electric quantity and the first electric quantity difference Cwa when Wa is smaller than Cwa, setting Cwb = Cwa-Wa, determining the rotating speed of the starting diesel generator according to the comparison result between the second electric quantity difference and a preset electric quantity difference,
when Cw1 is not less than Cwb and is more than Cw2, the electric quantity distribution module sets the rotating speed of the diesel generator to be a first rotating speed V1;
when Cw2 is not less than Cwb and is more than Cw3, the electric quantity distribution module sets the rotation speed of the diesel generator to be a second rotation speed V2;
when Cwb is greater than or equal to Cw3, the electric quantity distribution module sets the diesel generator speed to be the third speed V3.
Specifically, the control precision of the combined backup power supply integrated equipment is further improved by calculating a second electric quantity difference value between the sum of the electric quantities generated by the wind power generation device and the solar power generation device and the electric quantity difference value between the total electric quantity consumption and the residual electric quantity and determining the rotating speed of the diesel generator according to the comparison result of the second electric quantity difference value and a plurality of preset electric quantity difference values, so that the power supply efficiency is further improved.
The power consumption detection module is also used for detecting the real-time power P of the communication base station, the parameter adjusting module adjusts the rotating speed of the generator according to the comparison result of the real-time power P of the communication base station detected by the power consumption detection module and the preset power P0,
when P is more than or equal to P0, the parameter adjusting module calculates a first power difference value delta Pa between the real-time power P and a preset power P0, the delta Pa = P-P0, the parameter adjusting module selects a corresponding rotating speed adjusting coefficient according to a comparison result of the first power difference value and the preset power difference value to adjust the rotating speed of the diesel generator,
the parameter adjusting module is provided with a first preset power difference value delta P1, a second preset power difference value delta P2, a third preset power difference value delta P3, a first rotating speed adjusting coefficient K1, a second rotating speed adjusting coefficient K2 and a third rotating speed adjusting coefficient K3, wherein delta P1 is larger than delta P2 is larger than delta P3, 1 is larger than K1 is larger than K2 is larger than K3,
when the delta P1 is not less than delta Pa and is less than delta P2, the parameter adjusting module selects a first speed adjusting coefficient K1 to adjust the speed of the diesel generator;
when the delta P2 is not less than delta Pa and is less than delta P3, the parameter adjusting module selects a second rotating speed adjusting coefficient K2 to adjust the rotating speed of the diesel generator;
when the delta Pa is larger than or equal to the delta P3, the parameter adjusting module selects a third rotating speed adjusting coefficient K3 to adjust the rotating speed of the diesel generator;
when the parameter adjusting module selects the ith rotating speed adjusting coefficient Ki to adjust the rotating speed of the diesel generator, i =1, 2, 3 is set, the electric quantity distribution module sets the adjusted rotating speed of the diesel generator as V4, and sets V4= Vj x Ki, wherein Vj is the jth rotating speed, and j =1, 2, 3 is set.
Specifically, the preset power difference value and the rotating speed adjusting coefficient are set in the power consumption detection module, the rotating speed is adjusted by the parameter adjusting module according to the comparison result of the real-time power detected by the power consumption detection module and the preset power after the diesel generator is started by the power distribution module, in addition, the first power difference value of the real-time power and the preset power is calculated during adjustment, the corresponding adjusting coefficient is selected according to the comparison result of the first power difference value and the preset power difference values to adjust the rotating speed of the diesel generator, the control precision of the combined backup power supply integrated equipment is further improved, and the power supply efficiency is further improved.
When P is less than P0, the parameter adjusting module calculates a second power difference value delta Pb between the real-time power P and the preset power P0, sets delta Pb = P0-P, selects a corresponding rotation speed correction coefficient according to a comparison result of the second power difference value and the preset power difference value to correct the rotation speed of the diesel generator,
the parameter adjusting module is also provided with a first rotating speed correction coefficient X1, a second rotating speed correction coefficient X2 and a third rotating speed correction coefficient X3, wherein the first rotating speed correction coefficient X3 is more than 0.5 and more than X2 and more than X1 is less than 1,
when the delta Pb is not less than delta P1 and is less than delta P2, the parameter adjusting module selects a first speed correction coefficient X1 to correct the speed of the diesel generator;
when the delta Pb is not less than delta P2 and is less than delta P3, the parameter adjusting module selects a second rotating speed correction coefficient X2 to correct the rotating speed of the diesel generator;
when the delta Pb is larger than or equal to the delta P3, the parameter adjusting module selects a third rotating speed correction coefficient X3 to correct the rotating speed of the diesel generator;
when the parameter adjusting module selects the i ' rotation speed correction coefficient Kbi ' to correct the rotation speed of the diesel generator, i ' =1, 2 and 3 are set, and the electric quantity distribution module sets the corrected rotation speed of the diesel generator to be V5 and sets V5= Vj × Kbi.
Specifically, the preset power difference value and the rotating speed adjusting coefficient are set in the power consumption detection module, the rotating speed is corrected by the parameter adjusting module according to the comparison result of the real-time power and the preset power detected by the power consumption detection module after the diesel generator is started by the power distribution module, the second power difference value of the real-time power and the preset power is calculated during adjustment, the corresponding correcting coefficient is selected according to the comparison result of the second power difference value and the preset power difference values to correct the rotating speed of the diesel generator, the control precision of the combined backup power supply integrated equipment is further improved, and the power supply efficiency is further improved.
The parameter adjusting module is further configured to calculate a temperature difference Δ Q between the atmospheric temperature Q and a preset temperature Q0 when the temperature sensor detects that the atmospheric temperature Q exceeds the preset temperature Q0, set Δ Q = Q-Q0, select a corresponding power adjusting coefficient according to a comparison result of the temperature difference and the preset temperature difference to adjust the preset power P0,
the parameter adjusting module is also provided with a first preset temperature difference value delta Q1, a second preset temperature difference value delta 2, a third preset temperature difference value delta Q3, a first power adjusting coefficient Kp1, a second power adjusting coefficient Kp2 and a third power adjusting coefficient Kp3, wherein delta Q1 is more than delta Q2 is more than delta Q3, 1 Kp1 is more than Kp2 is more than Kp3 is less than 2,
when the delta Q1 is not less than the delta Q < delta Q2, the parameter adjusting module selects a first power adjusting coefficient Kp1 to adjust the preset power P0;
when the delta Q2 is not less than or equal to the delta Q < delta Q3, the parameter adjusting module selects a second power adjusting coefficient Kp2 to adjust the preset power P0;
when the delta Q is larger than or equal to the delta Q3, the parameter adjusting module selects a third power adjusting coefficient Kp3 to adjust the preset power P0;
when the parameter adjusting module selects the e-th power adjusting coefficient Kpe to adjust the preset power, e =1, 2, 3 is set, the parameter adjusting module sets the adjusted preset power to P0 ', and sets P0' = P0 × Kpe.
Specifically, the preset temperature, the plurality of preset temperature difference values and the power regulating coefficient are set in the parameter regulating module, when the temperature sensor detects that the atmospheric temperature exceeds the preset temperature, the difference value between the atmospheric temperature and the preset temperature is calculated, and the corresponding power regulating coefficient is selected according to the comparison result of the difference value and the plurality of preset temperature difference values to correct the preset power, so that the control precision of the combined backup power supply integrated equipment is further improved, and the power supply efficiency is further improved.
The parameter adjusting module is further configured to calculate a power-off duration difference Δ T between the power-off duration Ts and a preset power-off duration Ts0 when the power consumption detecting module detects that the utility power-off duration Ts exceeds a preset power-off duration Ts0, set Δ T = Ts-Ts0, select a corresponding power correction coefficient to correct the preset power according to a comparison result between the power-off duration difference and the preset power-off duration difference,
the parameter adjusting module is further provided with a first preset outage duration difference delta T1, a second preset outage duration difference delta T2, a third preset outage duration difference delta T3, a first power correction coefficient Xp1, a second power correction coefficient Xp2 and a third power correction coefficient Xp3, wherein delta T1 is greater than delta T2 is greater than delta T3, 1 < Xp1 < Xp2 < Xp3 < 1.5 are set,
when the delta T1 is not less than the delta T < delta T2, the parameter adjusting module selects a first power correction coefficient Xp1 to correct the preset power;
when the delta T2 is not less than the delta T < delta T3, the parameter adjusting module selects a second power correction coefficient Xp2 to correct the preset power;
when the delta T is larger than or equal to the delta T3, the parameter adjusting module selects a third power correction coefficient Xp3 to correct the preset power;
when the parameter adjustment module selects the e ' th correction coefficient Xpe ' to correct the preset power, setting e ' =1, 2, 3, the parameter adjustment module sets the corrected preset power to P0 ', P0 ' = P0 ' x Xpe '.
Specifically, the mains supply power-off time duration is detected by the power consumption detection module and is compared with the preset power-off time duration, whether the preset power is corrected or not is judged according to the comparison result, when the correction is judged, the difference value between the power-off time duration and the preset power-off time duration is calculated, the corresponding correction coefficient is selected according to the comparison result of the difference value and the plurality of preset power-off time duration difference values set in the parameter adjusting module to correct the preset power, the control precision of the combined backup power supply integrated equipment is further improved, and the power supply efficiency is further improved.
The parameter adjustment module is also provided with a maximum power Pmax, and when the preset power setting of the parameter adjustment module is P0 ', the parameter adjustment module compares P0 ' with the maximum power Pmax, and if P0 ' > is not less than Pmax, the parameter adjustment module sends the result to the communication base station controller, which controls to turn on the air conditioner and the auxiliary equipment such as lightning protection of the communication base station at the cycle D.
Specifically, the maximum power is set in the parameter adjusting module, and when the preset power adjusted and/or corrected by the parameter adjusting module exceeds the maximum power, the auxiliary equipment of the communication base station is periodically started, so that the power supply efficiency is further improved, and the continuous and stable operation of the communication base station is ensured.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An emergency combined type backup power supply integrated device for a communication base station is characterized by comprising a power supply device, a detection device and a control device, wherein the power supply device is used for supplying electric energy to the communication base station, the detection device is used for detecting the power utilization condition of the communication base station, the control device is used for controlling the power supply of the power supply device, the detection device and the control device are all arranged in a box body, and the power supply device, the detection device and the control device are all connected with one another;
the power supply device comprises a wind power generation device, a solar power generation device, a diesel generator and a storage battery;
the detection device comprises a temperature sensor for detecting the atmospheric temperature, a line detection module for detecting the on-off of the communication base station connected to a mains supply circuit, a generating capacity acquisition module for detecting the generating capacity of the wind power generation device, the solar power generation device and the diesel generator, and a power consumption detection module for detecting the power consumption of the communication base station;
the control device comprises a power supply converter for switching the power supply of a mains supply and the power supply device, an electric quantity distribution module for distributing electric quantity to the communication base station, and a parameter adjusting module for adjusting the power supply parameter of the power supply device, wherein the power supply conversion module is respectively connected with the wind power generation device, the solar power generation device and the diesel generator;
the electric quantity distribution module is also used for judging whether to start the diesel generator according to the comparison result of the total electric consumption quantity and the residual electric quantity of the storage battery within the preset time length of the communication base station and determining the rotating speed of the diesel generator according to the comparison result of the difference value of the total electric consumption quantity and the residual electric quantity of the storage battery and the preset difference value;
the parameter adjusting module is further used for adjusting the rotating speed of the started diesel generator according to a comparison result of the real-time power of the communication base station and the preset power, adjusting the preset power when the temperature sensor detects that the temperature exceeds the preset temperature, and correcting the preset power when the power-off duration of the mains supply exceeds the preset power-off duration.
2. The emergency combined backup power supply integrated device for the communication base station as claimed in claim 1, wherein the power consumption detecting module includes a detecting module for detecting a total power consumption W of the communication base station within a preset time period T0 when the communication base station is connected to a utility power, and for obtaining a remaining power Ws of the storage battery when the power converter converts the utility power into a power supply of a power supply device, and comparing the total power consumption Wz with the remaining power Ws, the power distributing module is configured to determine whether to start the diesel generator according to a comparison result of the total power consumption Wz and the remaining power Ws,
if Wz is larger than Ws, the electric quantity distribution module judges that the diesel generator is started;
and if Wz is less than or equal to Ws, the power consumption detection module judges whether the generator is started according to the sum Wa of the power generation amount of the wind power generation device and the solar power generation device in unit time.
3. The emergency combined backup power integrated device for communication base station of claim 2, wherein said electric quantity distribution module is further configured to calculate a first electric quantity difference Cwa between said total electric quantity consumed Wz and remaining electric quantity Ws when Wz > Ws, set Cwa = Wz-Ws, and determine said diesel generator rotation speed according to a comparison result of the difference with a preset difference,
the electric quantity distribution module is provided with a first preset electric quantity difference Cw1, a second preset electric quantity difference Cw2, a third preset electric quantity difference Cw3, a first rotating speed V1, a second rotating speed V2 and a third rotating speed V3, wherein Cwa1 is more than Cwa2 and less than Cwa3, V1 is more than V2 and less than V3,
when Cw1 is not less than Cwa and is less than Cw2, the electric quantity distribution module sets the rotating speed of the diesel generator to be a first rotating speed V1;
when Cw2 is not less than Cwa and is less than Cw3, the electric quantity distribution module sets the rotation speed of the diesel generator to be a second rotation speed V2;
when Cwa is larger than or equal to Cw3, the electric quantity distribution module sets the rotation speed of the diesel generator to be a third rotation speed V3.
4. The emergency combined backup power supply integrated equipment for communication base station of claim 3, wherein said power consumption detecting module is further configured to detect a sum Wa of power generation amounts per unit time t of said wind power generation apparatus and said solar power generation apparatus, and compare the sum Wa of the power generation amounts with a first power difference Cwa, said power distribution module determines whether to start up said diesel generator according to the comparison result,
if Wa is less than Cw, the electric quantity distribution module judges that the diesel generator is started;
and if Wa is larger than or equal to Cw, the electric quantity distribution module judges that the diesel generator is not started.
5. The emergency combined backup power supply integrated device for communication base station of claim 4, wherein said electric quantity distribution module is further configured to calculate a second electric quantity difference Cwb between a sum Wa of said electric power generation quantities and a first electric quantity difference Cwa when Wa < Cwa, setting Cwb = Cwa-Wa, and determines a starting diesel generator speed according to a comparison result between the second electric quantity difference and a preset electric quantity difference,
when Cw1 is not less than Cwb and is more than Cw2, the electric quantity distribution module sets the rotating speed of the diesel generator to be a first rotating speed V1;
when Cw2 is not less than Cwb and is more than Cw3, the electric quantity distribution module sets the rotation speed of the diesel generator to be a second rotation speed V2;
when Cwb is greater than or equal to Cw3, the electric quantity distribution module sets the diesel generator speed to be the third speed V3.
6. The emergency combined type backup power supply integrated device for communication base station according to claim 5, wherein the power consumption detecting module further detects a real-time power P of the communication base station, the parameter adjusting module adjusts the rotation speed of the generator according to a comparison result of the real-time power P of the communication base station detected by the power consumption detecting module and a preset power P0,
when P is larger than or equal to P0, the parameter adjusting module calculates a first power difference value delta Pa, delta Pa = P-P0 between the real-time power P and a preset power P0, the parameter adjusting module selects a corresponding rotation speed adjusting coefficient according to a comparison result between the first power difference value and the preset power difference value to adjust the rotation speed of the diesel generator, the electric quantity distribution module sets the rotation speed of the diesel generator after adjustment to be V4, sets V4= Vj multiplied Ki, wherein Ki is the rotation speed adjusting coefficient, Vj is the jth rotation speed, and sets j =1, 2, 3.
7. The emergency combined backup power supply integrated equipment for communication base station of claim 6, wherein when P < P0, the parameter adjusting module calculates a second power difference Δ Pb between the real-time power P and the preset power P0, and sets Δ Pb = P0-P, the parameter adjusting module selects a corresponding rotation speed correction coefficient according to the comparison result between the second power difference and the preset power difference to correct the rotation speed of the diesel generator, and the electric quantity distribution module sets the corrected rotation speed of the diesel generator to be V5 and sets V5= Vj × Xi, wherein Xi is the rotation speed correction coefficient.
8. The emergency combined backup power supply integrated equipment for communication base station of claim 7, wherein the parameter adjusting module is further configured to calculate a temperature difference Δ Q between the atmospheric temperature Q and a preset temperature Q0 when the temperature sensor detects that the atmospheric temperature Q exceeds the preset temperature Q0, set Δ Q = Q-Q0, and select a corresponding power adjusting coefficient according to the comparison result between the temperature difference and the preset temperature difference to adjust the preset power P0, wherein the parameter adjusting module sets the adjusted preset power to P0 ', sets P0' = P0 × Kpe, and Kpe is the power adjusting coefficient.
9. An emergency combined backup power source integration apparatus for a communication base station according to claim 8, wherein the parameter adjustment module is further configured to calculate a power outage duration difference Δ T of the power outage duration Ts and a preset power outage duration Ts0, set Δ T = Ts-Ts0, and select a corresponding power correction coefficient to correct the preset power according to a comparison of the power outage duration difference and the preset power outage duration difference when the power consumption detection module detects that the utility power outage duration Ts exceeds the preset power outage duration Ts0, the parameter adjustment module setting the corrected preset power to P0 ", P0" = P0 "Xpe", where Xpe' is the power correction coefficient.
10. An emergency combined backup power integration apparatus for a communication base station according to claim 9, characterized in that said parameter adjusting module is further provided with a maximum power Pmax, when said parameter adjusting module preset power setting is P0 ", said parameter adjusting module compares P0" with the maximum power Pmax, if P0 "is ≧ Pmax, said parameter adjusting module sends the result to the communication base station controller, which controls to turn on auxiliary equipment of the communication base station, such as air conditioning and lightning protection, at cycle D.
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