CN215911911U - Intelligent sharing system for base station energy - Google Patents

Abstract

The utility model discloses an intelligent base station energy sharing system which comprises four energy sources, namely a mains supply, a storage battery, an oil engine for power generation, direct current power generation and an electric energy sharing circuit system powered by the four energy sources. The method comprises the following steps that after the mains supply is powered off, a storage battery is used for supplying power, when the capacity of the storage battery is insufficient, an oil engine is used for generating power or direct current is used for supplying power, and after the mains supply is recovered, the mains supply is automatically recovered; when the commercial power oil engines supply power simultaneously, the commercial power is preferentially used for supplying power, the three oil engines are supported to independently generate power in a split-phase manner, and the storage battery is not charged when the oil engines supply power; the off-peak power utilization is set, and the storage battery is automatically switched to supply power in the peak price period of the mains supply, so that the power utilization cost is reduced. The utility model realizes the integration, integrated configuration and intelligent supervision of the communication power supply system, can automatically close the charging function of the storage battery during power generation, reduce the power generation power and the power generation cost, and can automatically realize off-peak power utilization; the surrounding power distribution module greatly reduces installation space and cable quantity, and can obviously reduce cost.

Description

Intelligent sharing system for base station energy

Technical Field

The utility model relates to the technical field of communication power supplies, in particular to an intelligent energy sharing system for a base station.

Background

The communication power supply system is an important component of the communication system, and is often called the "heart" of the communication system, and plays an extremely important role in the communication system. If the communication power supply system fails, the power supply quality is reduced or the power supply is interrupted, and the communication system cannot operate normally, which inevitably causes the failure of the communication system. Failure of the communication system would cause significant economic loss and immeasurable political impact.

With the steady advance of 5G infrastructure construction, the power of 5G equipment is greatly improved, the demand of a base station on electric energy is further increased, and correspondingly, higher requirements are provided for the reliability of base station alternating current power supply, the power and efficiency of a power supply system, the capacity and reliability of base station power reserve and power generation and the like.

The 5G base stations are more densely distributed, which requires fully utilizing the existing base stations to perform capacity expansion and building more micro (small) type 5G base stations. The space of the power supply cabinet of the electric energy required for 5G communication in the existing base station is extremely limited, and under the condition that the output power of the 5G communication power supply system needs to be greatly increased, the communication power supply system is required to keep the volume basically unchanged or even smaller, namely, the power density is further improved. Therefore, no matter the existing base station is expanded and upgraded to a 5G base station, or a new micro (small) type 5G base station is required, the communication power supply system is required to achieve integration, modularization and miniaturization of the system as much as possible while achieving higher power output, higher efficiency and higher reliability.

In addition, the co-building and sharing of the base stations are important measures for effectively reducing the consumption of communication facilities on land and power resources, and can save funds to a certain extent and realize energy conservation and emission reduction. A plurality of operators share the same communication power supply system in the co-constructed shared base station, so that the power supply capacity of the communication power supply system needs to be improved, and intelligent management of the direct current power distribution unit needs to be realized, so that reasonable apportionment of electric charge and remote power distribution control are realized.

Because the power supply function of the traditional base station can not meet the requirements of the characteristics, in practical application, the Chinese iron tower adds a plurality of peripheral devices on the power supply system of the traditional base station to solve the problem of the functional defects of the power supply of the traditional base station, so that the power supply system of the base station becomes complicated and huge, the number of fault points is increased, the maintenance and management are difficult, and the overall cost is greatly increased.

SUMMERY OF THE UTILITY MODEL

The base station energy intelligent sharing system provided by the utility model can solve the technical problem.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model also discloses a base station energy intelligent sharing system which comprises a commercial power oil-electricity intelligent interlocking alternating current distribution module, an alternating current-direct current rectification module, an annular direct current output intelligent distribution module, a one-mode two-path intelligent battery sharing module, a centralized monitoring communication module, a negative electrode bus bar, a positive electrode bus bar and a bus bar front-mounted type plug-in frame.

Wherein the content of the first and second substances,

an alternating current-direct current rectification module, an annular direct current output intelligent power distribution module, a one-module two-circuit intelligent battery sharing module, a centralized monitoring communication module, a negative electrode bus bar and a positive electrode bus bar are arranged in the bus bar preposed type inserting frame, wherein the annular direct current output intelligent power distribution module is arranged on the left side and the right side of the inserting frame, and the power distribution idle position of each module is arranged on the front side of the inserting frame and forms an inclination angle of 45 degrees with the plane of the front side of the inserting frame, so that load wiring is facilitated; the alternating current and direct current rectification module is positioned in the middle of the inserting frame; the one-module two-path intelligent battery sharing module is positioned at the upper end in the inserting frame, so that the wiring of a storage battery is facilitated; the centralized monitoring communication module is positioned at the lower end of the inserting frame; the positive busbar is located on the front side of the inserting frame, namely the busbar is arranged in front and located below the one-module two-way intelligent battery sharing module and above the annular direct-current output intelligent power distribution module and the alternating-current and direct-current rectification module, so that convenience is brought to connection between the alternating-current and direct-current rectification module, the one-module two-way intelligent battery sharing module, the annular direct-current output intelligent power distribution module and the direct-current busbar, the method that a large-current plug-in unit is required to be used in a traditional base station is finished, the length and the cost of the busbar are reduced, and meanwhile, the external lead-out connection of the positive busbar is facilitated.

The design that the annular direct current output intelligent power distribution module is positioned on two sides, and the one-module two-circuit intelligent battery sharing module is positioned on the upper end can ensure that the load and the battery wiring are positioned on two sides and the upper end, thereby finishing the blockage of the front panel caused by the wiring on the front side in the traditional base station, and greatly purifying the space of the cabinet.

The utility model discloses a power supply intelligent interlocking alternating current distribution module, including commercial power input interface or oil machine input interface, commercial power input interface connects the lightning protection module, voltage detection and voltage switching control unit are through detecting alternating input voltage and frequency, automatic identification is commercial power or oil machine current input, but automatic switch-over is commercial power or oil machine power supply, the commercial power supply of preferred use, need not to turn off the switch of commercial power input interface during the oil machine power supply, need not the manual work and switch over the commercial power, under one person's reply multiple spot electricity generation circumstances, can't resume the problem of commercial power simultaneously when the commercial power resumes, and can allow 3 oil machines to connect the electricity generation in parallel simultaneously, provide high-power electricity generation input. The output of the alternating current input module is output to the input end of the alternating current and direct current rectification module through the four-core aviation plug.

The input of alternating current-direct current rectifier module inserts the output that inserts commercial power oil electricity intelligence interlocking alternating current distribution module through four-core aviation plug-in, alternating current-direct current rectifier module includes 3 AC/DC rectifier units at least, and the input of every AC/DC rectifier unit connects A looks, B looks and C looks among the three-phase AC input respectively, and when a plurality of AC/DC rectifier units, the AC input of every AD/DC rectifier unit is balanced distribution in the three-phase, and all AC/DC rectifier unit's output positive pole and negative pole are assembled together respectively, and as alternating current-direct current rectifier module's output positive pole and negative pole, the positive pole of alternating current-direct current rectifier module output connects on-48V negative pole female arranging, and the negative pole of alternating current-direct current rectifier module output is connected on-48V negative pole female arranging. The number of the rectifying units is configured according to the power of the communication load, and if the output current of each rectifying unit is 50A, the 400A power supply system can be configured with 8 rectifying units. Main control unit accessible CAN bus communication controls and disposes AC/DC rectifier unit, realize overflowing, excessive pressure, under-voltage, the warning and the information upload of excess temperature and short-circuit protection, main control unit still CAN combine alternating current-direct current rectifier module load efficiency curve to control rectifier unit according to the load power size, improve power supply efficiency and energy saving, in addition, third party alternating current-direct current rectifier module also CAN be inserted to arrangement module slot in the plug-in frame formula case, main control unit CAN match the third party alternating current-direct current rectifier module model that inserts, the problem that the user CAN't purchase alternating current-direct current rectifier module alone and use in the past has been solved, CAN improve the user to electrical power generating system's self-maintenance ability.

The annular direct current output intelligent power distribution module supports different power distribution requirements of multiple users for the surrounding power distribution module, and comprises at least two power distribution management units, each power distribution management unit manages the load of a communication operator, each power distribution management unit comprises a current divider, a direct current contactor, at least one secondary power-off load and at least two primary power-off loads, and the number of the power-off loads can be configured according to the number of the user loads. The input end of the power distribution management unit is connected to a busbar preposed type plug-in frame-48V negative busbar, then the input end of the power distribution management unit is respectively connected to one end of a secondary power-off load open and one end of a direct current contactor after passing through a shunt, the other end of the secondary power-off load open is connected to a transmission load of a communication operator, the other end of the direct current contactor is connected to one end of a plurality of primary power-off load open, the other end of the primary power-off load open is connected to a common load of the communication operator, and the direct current contactor can realize primary power-off of a user.

The annular direct current output intelligent power distribution module can be independently controlled by the main controller, and the power-on and power-off parameters of each power distribution management unit user can be independently adjusted, so that the differentiated requirements of different users are met; the direct current electricity consumption quantity of each user is converted by measuring the input voltage of the power distribution management unit and the current flowing through the shunt in real time and is used as the basis for sharing and charging the electricity fee; the direct current contactor in each power distribution management unit can be set in a centralized monitoring communication module according to a time mode (time is adjustable) or a voltage mode (voltage value is adjustable), when the mains supply is powered off, the appointed time or the appointed voltage is reached, the direct current contactor is automatically switched off, when the mains supply is recovered, the direct current contactor is automatically switched on to recover power supply, in addition, through remote setting, the direct current contactor can also be used for directly conducting forced power off on unpaid users, and meanwhile, reporting and alarming are conducted to remind the users of defaulting. Meanwhile, each path of air switch is used for detecting the voltage at the back for accurately judging the power supply state of the user.

The one-mode two-circuit intelligent battery sharing module comprises at least two battery management units, wherein one end of each battery management unit is a power interface and is connected to a-48V negative busbar in a busbar preposed type inserting frame; the other end is a storage battery interface which is connected to the negative electrode of the storage battery pack of the base station, and each battery management unit comprises two battery ports which can be respectively connected with two groups of differentiated storage batteries. The above arrangement of the one-module two-circuit intelligent battery sharing module can support the flexible merging and charging and discharging of 2 or more groups of different storage batteries, such as 8 groups or more. The one-mode two-path intelligent battery sharing module can manage and control the charging and discharging process of the storage battery, and ensures that the differential storage battery pack is charged and discharged in a balanced manner without circulation.

Furthermore, the one-mode two-circuit intelligent battery sharing module can also dynamically manage the charging and discharging process, realize off-peak power utilization and reduce the power utilization cost. The battery sharing module adopts one module and two paths, so that the problem of insufficient space is solved, the manufacturing cost is reduced, and the using number of the battery packs is increased.

Furthermore, in the one-module two-circuit intelligent battery sharing module, one battery management unit can be set as a direct current power generation interface, and a-48V external direct current is accessed through the interface to realize direct current power generation.

Furthermore, the centralized monitoring communication module is composed of a main controller unit, an LCD display screen, a key unit, an input/output and communication interface, a software system and the like. The main controller unit is the core of a centralized monitoring communication module, adopts a multi-level management system, and interacts with a commercial power oil-electricity intelligent interlocking alternating current power distribution module, an alternating current-direct current rectification module, an annular direct current output intelligent power distribution module, a one-mode two-circuit intelligent battery sharing module, an LCD display screen, a key unit, an FSU remote monitoring system and the like in a communication interface and input-output interface mode, so that parameter setting and configuration, data acquisition and measurement, state information inquiry and display, fault alarm monitoring and control, interaction of the communication power supply system and a background monitoring system and the like are realized.

The centralized monitoring communication module controls and configures an AC/DC rectification unit in the AC/DC rectification module through CAN bus communication, so that the warning and information uploading of overcurrent, overvoltage, undervoltage, overtemperature and short-circuit protection are realized, and the main controller unit controls the rectification unit according to the load power by combining with a load efficiency curve of the AC/DC rectification module, so that the power supply efficiency is improved, and the energy consumption is saved.

Furthermore, the centralized monitoring communication module interacts with the commercial power oil-electricity intelligent interlocking alternating current distribution module and the one-mode two-way intelligent battery sharing module, and when the system is identified to supply power to the oil engine, the charging function of the batteries in the one-mode two-way intelligent battery sharing module is automatically closed, so that the power generation power of the oil engine is reduced, and the situation that the load cannot be driven due to the limited power generation power of the oil engine can be avoided;

further, the centralized monitoring communication module interacts with the commercial power oil-electricity intelligent interlocking alternating current power distribution module, the alternating current-direct current rectification module and the one-module two-circuit intelligent battery sharing module, and after the system is supplied with power by commercial power and the capacity of the storage battery is sufficient, the output voltage of the alternating current-direct current rectification module is automatically reduced in the period of the peak value of the commercial power price, so that the storage battery module starts to discharge until the period of the peak value of the commercial power price is ended or the capacity of the storage battery is discharged to a specified value, thereby dynamically managing the discharge process of the storage battery, realizing off-peak power utilization and reducing the power consumption cost.

Furthermore, the busbar front-mounted type insertion frame is of an insertion frame structure, the commercial power oil-electricity intelligent interlocking alternating current power distribution module, the alternating current-direct current rectification module, the annular direct current output intelligent power distribution module, the one-mode two-circuit intelligent battery sharing module, the centralized monitoring communication module, the cathode busbar and the anode busbar are all in modularized and integrated design, the number of the modules can be adjusted according to different power distribution requirements, and the busbar front-mounted type insertion frame is simple in operation and convenient to maintain.

Meanwhile, the utility model also discloses a control method of the base station energy intelligent sharing system, which is based on the base station energy intelligent sharing system and comprises the following steps,

the centralized monitoring communication module interacts with the alternating current-direct current rectifying module and the one-module and two-circuit intelligent battery sharing module, the charging current of the storage battery is detected and compared with the charging current limiting value set by the battery sharing module, and after the charging current of the storage battery exceeds the charging current limiting value set by the battery sharing module, the total output current of the storage battery is reduced by the control system of the alternating current-direct current rectifying module, so that the charging current limiting control of the storage battery is realized from the source.

According to the technical scheme, the intelligent base station energy sharing system is an integrated communication power supply system, realizes the integrated integration of a commercial power oil-electricity intelligent interlocking alternating current power distribution module, an alternating current-direct current rectification module, an annular direct current output intelligent power distribution module, a one-mode two-way intelligent battery sharing module and a centralized monitoring communication module, can provide integrated services for base station power supply matching construction, capacity expansion and the like, develops the construction of a base station integrated energy cabinet, improves the construction quality, accelerates the station construction speed, and promotes cost reduction and efficiency improvement.

According to the base station energy intelligent sharing system, the bus bar is preposed, the traditional method that a high-power module such as a battery sharing module and a direct current power distribution module are connected into a frame and a high-current connector is required to be used is finished, the using length of the bus bar can be reduced, and the bus bar and the manufacturing cost are reduced. The annular output direct current distribution adopts a method of wiring on the left side, the right side and the top side, the traditional method that the wiring is transversely arranged on the front side of the frame to cause the congestion of the panel is finished, the operation is convenient, and the arrangement of cable wiring is facilitated. The intelligent alternating current distribution realizes the parallel work of the commercial power and the oil engine, intelligent interlocking is realized, the manual switching of the commercial power and the oil engine switch is not needed, and the problem that the commercial power cannot be recovered simultaneously when one person deals with multi-site power generation is solved; the split-phase independent power generation of the three oil engines is realized, the base station air conditioner is not started and the battery is not charged during power generation, and the problem that the power generation of the oil engines cannot be started due to heavy load for a long time is solved. The intelligent direct-current power distribution realizes the differentiated power supply and standby power time management service for four operators. The battery sharing module adopts a one-mode two-way design, so that the power density of the module is improved, and the capacity of the insertion frame for receiving the number of the battery packs is improved. The centralized monitoring module realizes the control and management of the purchased AC/DC rectification module, reduces the dependence of users on equipment manufacturers, and improves the capacity of users for building own power supply systems and self-running maintenance.

Specifically, the utility model has the following beneficial effects:

(1) the integrated configuration of the communication power supply system of the base station can be realized, and the installation space and the number of cables of the communication power supply system are greatly reduced;

(2) the bus-bar front-mounted design greatly reduces the use length of the bus-bar, avoids the method that a traditional base station needs to use a large-current plug-in, reduces the use length of the bus-bar and reduces the cost and the loss of the bus-bar;

(3) the modular configuration of a base station communication power supply system can be realized, the number of each functional module can be flexibly configured according to the load power consumption and the number, later expansion, maintenance and replacement are more convenient, the early investment cost can be reduced, and the later operation and maintenance cost can also be reduced;

(4) the intelligent supervision and control of a base station communication power supply system can be realized, the cost is reduced, the effect is improved, the battery charging function can be automatically closed when the oil engine generates electricity, the electricity generation power and the electricity generation cost of the oil engine are reduced, and the problem that the load cannot be driven due to the limited electricity generation power of the oil engine is solved; the problem of different requirements of power supply, standby power supply and power generation of different operator equipment in a shared base station is solved;

(5) the intelligent centralized monitoring module can be matched with an inserted third-party alternating current and direct current rectification module, so that the problem that a user cannot independently purchase the alternating current and direct current rectification module for use in the past is solved, and the self-maintenance capability of the user on a power supply system is improved;

(6) the multi-energy-source centralized power generation system has the advantages that the centralized supply of various energy sources can be realized, the simultaneous input and automatic switching control of various energy sources such as commercial power, an oil engine and a direct-current power supply can be realized, the three-phase independent power generation is supported, the automatic peak-staggering power utilization and oil engine power generation identification is supported, the power utilization charge is reduced, meanwhile, the accounting and the allocation of the power charge and the power generation charge are automatically realized, and the problem that the commercial power cannot be recovered simultaneously when the commercial power is recovered under the condition that one person deals with multi-point power generation is solved.

Drawings

FIG. 1 is a schematic diagram of the general operating circuit of the present invention;

FIG. 2 is a structural diagram of a front-mounted bus bar inserting frame according to the utility model;

FIG. 3 is a block diagram of the row of front mounted plug frames of the present invention after each module has been installed;

fig. 4 and 5 are schematic structural diagrams of the annular direct current output intelligent power distribution module of the utility model;

fig. 6 is a schematic structural diagram of the commercial power oil-electricity intelligent interlocking alternating current power distribution module.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

The disclosed base station energy intelligent sharing system in this embodiment is an integrated communication power supply system, and includes an electric energy sharing circuit system powered by four kinds of energy, including commercial power, a storage battery, oil engine power generation and direct current power generation, and specifically includes a commercial power oil-electricity intelligent interlocking alternating current power distribution module 1, an alternating current-direct current rectification module 2, an annular direct current output intelligent power distribution module 5, a one-mode two-way intelligent battery sharing module 6, a centralized monitoring communication module 7, a negative electrode busbar 3, a positive electrode busbar 4 and a busbar front-mounted insertion frame 8.

The busbar preposed type frame inserting module 8 is of a frame inserting structure and comprises an inserting frame main body 81, an upper cover plate 82, a bottom plate 83, a left side plate 84 and a right side plate 85.

An alternating current-direct current rectification module 2, an annular direct current output intelligent power distribution module 5, a one-module two-circuit intelligent battery sharing module 6, a centralized monitoring communication module 7, a negative electrode bus bar 3 and a positive electrode bus bar 4 are arranged in the bus bar preposed type inserting frame 8, wherein the annular direct current output intelligent power distribution module 5 is arranged on the left side and the right side of the inserting frame, and the power distribution idle position of each module is arranged on the front side of the inserting frame and forms an inclination angle of 45 degrees with the front side plane of the inserting frame, so that load wiring is facilitated;

the alternating current and direct current rectification module 2 is positioned in the middle of the inserting frame;

the one-module two-circuit intelligent battery sharing module 6 is positioned at the upper end in the inserting frame, so that the wiring of a storage battery is facilitated; the centralized monitoring communication module 7 is positioned at the lower end of the inserting frame;

the positive busbar 3 is positioned at the front side of the inserting frame, namely the busbar is prepositive and positioned below the one-module two-way intelligent battery sharing module and above the annular direct-current output intelligent power distribution module and the alternating-current and direct-current rectification module, so that convenience is brought to wiring between the alternating-current and direct-current rectification module, the one-module two-way intelligent battery sharing module, the annular direct-current output intelligent power distribution module and the direct-current busbar, the method that a traditional base station must use large-current plug-in units is finished, the length and the cost of the busbar are reduced, and meanwhile, the wiring is conveniently led out of the positive busbar.

The design that the annular direct current output intelligent power distribution module 5 is positioned on two sides and the one-module two-circuit intelligent battery sharing module is positioned on the upper end can ensure that the load and the battery wiring are positioned on two sides and the upper end, thereby finishing the blockage of the front panel caused by the wiring on the front side in the traditional base station, and greatly purifying the space of the cabinet.

The utility model discloses a commercial power oil electricity intelligent interlocking alternating current distribution module 1, including commercial power input interface 11 or oil engine input interface 12, commercial power input interface connects lightning protection module 15, voltage detection 13 and voltage switching control unit 15 are through detecting alternating current input voltage and frequency, automatic identification is present input and is commercial power or oil engine, and can automatic switch over for commercial power supply or oil engine power supply, preferentially use the commercial power supply, need not to turn off the switch of commercial power input interface during the oil engine power supply, need not the manual switching commercial power, under having solved one person and having dealt with the multiple spot electricity generation condition, the problem of unable while resumeing the commercial power when the commercial power resumes, and can allow 3 oil engines to connect the electricity generation of connecting in parallel simultaneously, provide high-power electricity generation input. The output of the AC input module 1 is output to the input end of the AC/DC rectification module 2 through the four-core aviation plug 16.

The utility power oil-electricity intelligent interlocking alternating current distribution module 1 comprises an input voltage detection unit 13, can detect the voltage input by the utility power input interface 11 and the oil engine input interface 12 in real time, automatically identifies the utility power supply or the oil engine power supply by judging the amplitude and the frequency of the alternating current input voltage, and switches the alternating current input change-over switch 14 to a corresponding gear, and preferentially uses the utility power supply.

The oil engine input interface in the commercial power oil-electricity intelligent interlocking alternating current distribution module 1 supports 3 oil engines to generate power simultaneously, the 3 oil engine interfaces are input into the commercial power oil-electricity intelligent interlocking alternating current distribution module 1 and are respectively connected to the phase A, the phase B and the phase C through the alternating current input selector switch 14, and the phase A, the phase B and the phase C are independently supplied with power in the alternating current-direct current rectification module 2, so that the commercial power oil-electricity intelligent interlocking alternating current distribution module supports 3 single-phase oil engines to generate power simultaneously without considering the phase problem.

The input of the alternating current and direct current rectification module 2 is connected with the output of the commercial oil-electricity intelligent interlocking alternating current distribution module 1 through a four-core aviation plug 24, the alternating current-direct current rectification module 2 comprises at least 3 AC/DC rectification units 21,22 and 23, the input of each AC/DC rectification unit is respectively connected with an A phase, a B phase and a C phase in three-phase alternating current input, if the first rectifying unit 21 is connected with the phase A, the second rectifying unit 22 is connected with the phase B, the third rectifying unit 23 is connected with the phase C, when a plurality of AC/DC rectifying units exist, the alternating current input of each AC/DC rectifying unit is distributed in a three-phase mode in a balanced mode, the output positive electrodes and the output negative electrodes of all the AC/DC rectifying units are respectively gathered together to serve as the output positive electrode and the output negative electrode of the alternating current and direct current rectifying module, the positive electrode output by the alternating current and direct current rectifying module is connected to an RTN positive electrode bus bar 4, and the negative electrode output by the alternating current and direct current rectifying module is connected to a-48V negative electrode bus bar 3. The number of the rectifying units is configured according to the power of the communication load, and if the output current of each rectifying unit is 50A, the 400A power supply system can be configured with 8 rectifying units. The main control unit 71 CAN control and configure the AC/DC rectification unit through CAN bus communication, realize overcurrent, overvoltage, undervoltage, overtemperature and short-circuit protection alarm and information upload, the main control unit 71 CAN also control the rectification unit according to the load power by combining an AC/DC rectification module load efficiency curve, the power supply efficiency is improved, the energy consumption is saved, in addition, a third-party AC/DC rectification module CAN also be inserted into a rectification module slot in the plug-in frame type case, the main control unit CAN be matched with the inserted third-party AC/DC rectification module model, the problem that the past user CAN not buy the AC/DC rectification module alone for use is solved, and the self-maintenance capability of the user on a power supply system CAN be improved.

The annular direct current output intelligent power distribution module 5 is a surrounding type power distribution module, supports different power distribution requirements of a plurality of users, specifically comprises at least two power distribution management units, each power distribution management unit manages the load of a communication operator, each power distribution management unit comprises a current divider 51, a direct current contactor 53, at least one secondary power-off load idle switch 52 and at least two primary power-off load idle switches 54 and 55, and the number of the idle switches can be configured according to the number of the loads of the users. The input end of the power distribution management unit is connected to a busbar preposed type plug-in frame-48V negative busbar 3, then is respectively connected to one end of a secondary power-off load idle switch 52 and one end of a direct current contactor 53 after passing through a shunt 51, the other end of the secondary power-off load idle switch 52 is connected to a transmission load of a communication operator, the other end of the direct current contactor 53 is connected to one end of a plurality of primary power-off load idle switches, the other end of the primary power-off load idle switch is connected to a common load of the communication operator, and the direct current contactor can realize primary power-off of a user.

The annular direct current output intelligent power distribution module 5 can be independently controlled by the main controller unit 71, and the power-on and power-off parameters of each power distribution management unit user can be independently adjusted, so that the differentiated requirements of different users are met; the input voltage of the power distribution management unit and the current flowing through the shunt 51 are measured in real time, and the direct current electricity consumption of each user is converted to be used as the basis for sharing and charging the electricity fee; the direct current contactor 53 in each power distribution management unit can be arranged in a centralized monitoring communication module in a differentiated mode according to a time mode (time adjustable) or a voltage mode (voltage value adjustable), when the mains supply is powered off for a set time or a set voltage, the direct current contactor 53 is automatically switched off, when the mains supply is recovered, the direct current contactor is automatically switched on to recover power supply, in addition, through remote setting, the direct current contactor can also directly conduct forced power off on the user who does not pay fees, and meanwhile, the direct current contactor reports an alarm to remind the user of defaulting fees. Meanwhile, each path of air switch is used for detecting the voltage at the back for accurately judging the power supply state of the user.

The one-mode two-circuit intelligent battery sharing module 6 comprises at least two battery management units, wherein one end of each battery management unit is a power interface 64 and is connected to a-48V negative busbar 3 in a busbar preposed inserting frame; the other end is a battery interface 65 connected to the negative electrode of the base station battery pack, and the battery interface 65 of each battery management unit 61 includes two battery ports capable of being connected to two groups of differentiated batteries respectively. The one-mode two-path intelligent battery sharing module 6 can manage and control the charging and discharging process of the storage battery, and ensures that the differential storage battery pack is charged and discharged in a balanced manner without circulation.

Specifically, the one-mode two-circuit intelligent battery sharing module 6 can also dynamically manage the charging and discharging process, realize off-peak power utilization and reduce power utilization cost. The battery sharing module adopts one module and two paths to solve the problem of insufficient space, can support the flexible merging and charging and discharging of 2 groups of and more than differentiated storage batteries, for example 8 groups and more, reduces the manufacturing cost and increases the using number of the battery packs.

Specifically, in the one-module two-circuit intelligent battery sharing module, one battery management unit 63 may be set as a dc power generation interface, and a-48V external dc power is connected through the interface to implement dc power generation.

The centralized monitoring communication module 7 is composed of a main controller unit 71, an LCD display screen and key unit 72, an input/output and communication interface, a software system, and the like. The main controller unit 71 is the core of the centralized monitoring communication module 7, adopts a multi-level management system, and interacts with the commercial power oil-electricity intelligent interlocking alternating current power distribution module 1, the alternating current-direct current rectification module 2, the annular direct current output intelligent power distribution module 5, the one-mode two-way intelligent battery sharing module 6, the LCD display screen and key unit 72, the FSU remote monitoring system and the like in a communication interface and input-output interface mode, so that the parameter setting and configuration, the data acquisition and measurement, the state information inquiry and display, the fault alarm monitoring and control, the interaction between the communication power system and the background monitoring system and the like of the communication power system are realized.

The centralized monitoring communication module 7 interacts with the commercial power oil-electricity intelligent interlocking alternating current distribution module 1 and the one-mode two-way intelligent battery sharing module 6, and automatically closes the charging function of the batteries in the one-mode two-way intelligent battery sharing module 6 after the system is identified to supply power to the oil engine, so that the power generation power of the oil engine is reduced, and the situation that the load cannot be driven due to the limited power generation power of the oil engine can be avoided; the present embodiment corresponds to the configuration in which the three oil engines independently generate power in a split phase manner and the storage battery is not charged when the oil engines supply power.

The centralized monitoring communication module 7 interacts with the commercial power oil-electricity intelligent interlocking alternating current distribution module 1, the alternating current-direct current rectification module 2 and the one-module two-circuit intelligent battery sharing module 6, when the system is identified to be supplied by commercial power and the capacity of the storage battery is sufficient, the output voltage of the alternating current-direct current rectification module is automatically reduced in the period of the peak value of the commercial power price, so that the storage battery module starts to discharge until the period of the peak value of the commercial power price is ended or the capacity of the storage battery is discharged to a specified value, thereby dynamically managing the discharge process of the storage battery, realizing off-peak power consumption and reducing the power consumption cost. The present embodiment is corresponding to the setting of off-peak power utilization in the sharing method, and the power consumption cost is reduced by using the storage battery to supply power during the peak time of the commercial power.

The centralized monitoring communication module 7 controls and configures the AC/DC rectification unit in the AC/DC rectification module 2 through CAN bus communication, realizes warning and information uploading of overcurrent, overvoltage, undervoltage, overtemperature and short-circuit protection, and the main controller unit 71 controls the rectification unit according to the load power by combining with a load efficiency curve of the AC/DC rectification module, so that the power supply efficiency is improved, and the energy consumption is saved.

Meanwhile, the embodiment also discloses a corresponding control method of the base station energy intelligent sharing system, which comprises the following steps,

the centralized monitoring communication module 7 interacts with the alternating current-direct current rectifying module 2 and the one-module two-circuit intelligent battery sharing module 6, detects the charging current of the storage battery and compares the charging current with the charging current limiting value set by the battery sharing module, and when the charging current of the storage battery exceeds the charging current limiting value set by the battery sharing module, the control system of the alternating current-direct current rectifying module 2 reduces the total output current of the storage battery, so that the charging current limiting control of the storage battery is realized from the source.

In conclusion, the busbar preposed type insertion frame 8 of the embodiment is of an insertion frame type structure, the commercial power oil-electricity intelligent interlocking alternating current power distribution module 1, the alternating current-direct current rectification module 2, the annular direct current output intelligent power distribution module 5, the one-module two-circuit intelligent battery sharing module 6, the centralized monitoring communication module 7, -48V negative electrode busbar 3 and the positive electrode busbar 4 are all in modularized and integrated design, the number of the modules can be adjusted according to different power distribution requirements, and the operation is simple and the maintenance is convenient.

According to the technical scheme, the integrated integration of the commercial power oil-electricity intelligent interlocking alternating current power distribution module, the alternating current-direct current rectification module, the annular direct current output intelligent power distribution module, the one-mode two-way intelligent battery sharing module and the centralized monitoring communication module is realized, the integrated service can be provided for the matching construction, capacity expansion and the like of the base station power supply, the construction of the base station integrated energy cabinet is developed, the construction quality is improved, the station construction speed is accelerated, and cost reduction and efficiency improvement are promoted.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (8)

1. The utility model provides a basic station energy intelligence shared system, is the electric energy shared circuit system of four kinds of energy power supplies of commercial power, battery, oil engine electricity generation, direct current power generation, includes that commercial power oil electricity intelligence interlocking exchanges distribution module (1) and female the leading-type frame module (8) of inserting of arranging, its characterized in that:

the alternating current power distribution module (1) is an independent module, alternating current is accessed through a mains supply input interface (11) or an oil engine input interface (12), the mains supply input interface is connected with a lightning protection module (15), and alternating current is output through an aerial plug connector (16) after selection and control of the mains supply oil-electricity intelligent interlocking alternating current power distribution module (1);

the bus-bar preposed type inserting frame module (8) is of an inserting frame structure, and an alternating current and direct current rectifying module (2), an annular direct current output intelligent power distribution module (5), a one-mode two-circuit intelligent battery sharing module (6), a centralized monitoring communication module (7), a negative bus bar (3) and a positive bus bar (4) are arranged in the inserting frame;

the alternating current and direct current rectifier module (2) inputs alternating current through an aerial plug (24), the input end of the aerial plug (24) of the alternating current and direct current rectifier module (2) is connected to the output end of an aerial plug connector (16) of the commercial oil-electricity intelligent interlocking alternating current distribution module (1) through a cable, the output positive electrode of the alternating current and direct current rectifier module (2) is connected with an RTN positive electrode busbar (4), and the output negative electrode of the alternating current and direct current rectifier module (2) is connected with a-48V negative electrode busbar (3);

the annular direct current output intelligent power distribution module (5) comprises at least two power distribution management units, each power distribution management unit manages the load of a communication operator, the input of each power distribution management unit is connected with a-48V negative busbar (3), and the output of each power distribution management unit is respectively connected with the common load and the transmission load of the operator through primary power-off load idle opening and secondary power-off load idle opening;

the one-mode two-way intelligent battery sharing module (6) comprises at least two battery management units, one end of each battery management unit is a power supply interface (64) and is connected to a-48V negative busbar (3) in a busbar preposed inserting frame, the other end of each battery management unit is a storage battery interface (65), each storage battery interface (65) comprises two battery ports, each battery port can be connected to the negative electrode of a base station storage battery pack, and the one-mode two-way intelligent battery sharing module (6) manages and controls the charging and discharging processes of a differentiated storage battery, so that the differentiated storage battery pack is ensured to be charged and discharged in a balanced manner without circulation;

the centralized monitoring communication module (7) comprises a main controller unit (71), an LCD display screen, a key unit (72), an input/output and communication interface and a software system, wherein the main controller unit (71) is the core of the centralized monitoring communication module (7), and interacts with a commercial power oil-electricity intelligent interlocking alternating current power distribution module (1), an alternating current/direct current rectification module (2), an annular direct current output intelligent power distribution module (5), a one-mode two-way intelligent battery sharing module (6), the LCD display screen, the key unit (72) and an FSU remote monitoring system in a communication interface and input/output interface mode, so that parameter setting and configuration, data acquisition and measurement, state information inquiry and display, fault alarm monitoring and control and interaction between a communication power supply system and a background monitoring system are realized.

2. The system according to claim 1, wherein in the one-mode two-way intelligent battery sharing module (6), one of the battery management units is configured as a dc power generation interface, and-48V external dc power is connected through the interface to realize dc power generation.

3. The intelligent sharing system of base station energy according to claim 1, wherein:

the centralized monitoring communication module (7) controls and configures an AC/DC rectification unit in the AC/DC rectification module (2) through CAN bus communication, so that the warning and information uploading of overcurrent, overvoltage, undervoltage, overtemperature and short-circuit protection are realized, and the main controller unit (71) controls the rectification unit according to the load power and the load efficiency curve of the AC/DC rectification module.

4. The intelligent sharing system of base station energy according to claim 1, wherein:

the centralized monitoring communication module (7) controls each power distribution management unit in the annular direct current output intelligent power distribution module (5), and the power distribution management unit independently sets up the power supply parameters and the power supply parameters of each power distribution management unit user, meets the differentiated power supply and standby power demand of different users, calculates and stores the power consumption of each power distribution management unit in real time as the basis of power charge sharing and charging.

5. The intelligent sharing system of base station energy according to claim 1, wherein:

the utility model discloses a power supply oil electricity intelligent interlocking alternating current distribution module (1) is including input voltage detecting element (13), the voltage of real-time detection commercial power input interface (11) and oily quick-witted input interface (12) input, through the amplitude and the frequency of judging alternating current input voltage, automatic discernment is commercial power supply or oily quick-witted power supply to automatic switch over exchanges input change over switch (14) and to the gear that corresponds, preferentially uses the commercial power supply.

6. The intelligent sharing system of base station energy according to claim 1, wherein: an oil engine input interface in the commercial oil-electricity intelligent interlocking alternating current distribution module (1) supports 3 oil engines to generate electricity simultaneously, the 3 oil engine interfaces are input into the commercial oil-electricity intelligent interlocking alternating current distribution module (1) and are respectively connected to an A phase, a B phase and a C phase through an alternating current input selector switch (14), and the A phase, the B phase and the C phase are independently supplied with electricity in the alternating current-direct current rectification module (2).

7. The intelligent sharing system of base station energy according to claim 1, wherein:

the annular direct current output intelligent power distribution modules (5) are surrounding power distribution modules, namely are arranged on the left side and the right side of the bus bar preposed type inserting frame module (8), and the power distribution empty position of each module is arranged on the front side of the inserting frame and forms an inclination angle of 45 degrees with the plane of the front side of the inserting frame, so that load wiring is facilitated;

the alternating current and direct current rectification module (2) is positioned in the middle of the inserting frame module (8); the one-module two-circuit intelligent battery sharing module (6) is positioned at the upper end in the inserting frame module (8) and is convenient for wiring of a storage battery; the centralized monitoring communication module (7) is positioned at the lower end of the inserting frame module (8); the RTN positive busbar (4) and the negative busbar (3) are both located on the front side of the inserting frame module (8), namely the busbar is arranged in front and located below the one-module two-circuit intelligent battery sharing module (6) and above the annular direct current output intelligent power distribution module (5) and the alternating current and direct current rectification module (2).

8. The intelligent sharing system of base station energy according to claim 1, wherein:

the centralized monitoring communication module (7) interacts with the commercial power oil-electricity intelligent interlocking alternating current power distribution module (1) and the one-mode two-circuit intelligent battery sharing module (6), and automatically closes the charging function of the batteries in the one-mode two-circuit intelligent battery sharing module (6) after recognizing that the system supplies power for the oil engine;

the centralized monitoring communication module (7) interacts with the commercial power oil-electricity intelligent interlocking alternating current power distribution module (1), the alternating current-direct current rectification module (2) and the one-module two-circuit intelligent battery sharing module (6), and when the system is identified to be supplied by commercial power and the capacity of the storage battery reaches a set value, the output voltage of the alternating current-direct current rectification module is automatically reduced in the period of the peak value of the commercial power price, so that the storage battery module starts to discharge until the period of the peak value of the commercial power price is finished or the capacity of the storage battery is discharged to a specified value.

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