CN203406636U - Intelligent diesel-electric hybrid power supply system of communication base station - Google Patents

Intelligent diesel-electric hybrid power supply system of communication base station Download PDF

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Publication number
CN203406636U
CN203406636U CN201320375684.4U CN201320375684U CN203406636U CN 203406636 U CN203406636 U CN 203406636U CN 201320375684 U CN201320375684 U CN 201320375684U CN 203406636 U CN203406636 U CN 203406636U
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China
Prior art keywords
energy
storage battery
generating set
base station
communication base
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Expired - Fee Related
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CN201320375684.4U
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Chinese (zh)
Inventor
庄衍平
胡耀军
蔡行荣
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Fujian Taid Electric Power Equipment Co Ltd
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Shanghai Cooltech Power Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies

Abstract

The utility model discloses an intelligent diesel-electric hybrid power supply system of a communication base station. The intelligent hybrid electric power supply system comprises a commercial power, a hybrid energy source, a hybrid energy source manager, a DC/DC conversion controller and a storage battery, wherein the hybrid energy source comprises a diesel generating set, wind energy and solar energy; the diesel generating set is a variable-frequency DC generating set; the commercial power and the hybrid energy source are connected with the input end of the hybrid energy source manager, the output end of the hybrid energy source manager is connected with the input end of the DC/DC conversion controller, the output end of the DC/DC conversion controller is connected with a load, the storage battery is connected with the output end of the DC/DC conversion controller and the load. The seamless switch between the variable-frequency DC generating set and the renewable energy source is achieved, so that the renewable energy source can be effectively utilized, the atmospheric pollution is reduced, and the intelligent diesel-electric hybrid power supply system has great value on the protection of the human environment.

Description

A kind of electric hybrid power source system of intelligence oil of communication base station
Technical field
The utility model relates to a kind of electric hybrid power source system of intelligence oil of communication base station
Background technology
At present, without civil power communication base station, generally adopt diesel-electric set electric supply.In the Middle East, north African, Southeast Asia and western China, having more than 100,000 base stations is to use diesel-electric set electric supply.These base stations adopt two patterns that diesel engine generator is powered in turn conventionally.Traditional forms (as shown in Figure 1) without civil power base station supply power mode by two diesel generating sets 11,12, recloser (ATS) 20, storage battery 30 and DC voltage control cabinet 40.Recloser 20 is controlled alternately accumulators 30 chargings of two diesel generating sets 11,12.This traditional diesel generating set is when communication base station uses, and due to for a long time, in low load condition, energy consumption is larger relatively, and efficiency is lower, and carbon emission amount is large, is unfavorable for environmental protection.
Wind energy and solar energy are the most ripe renewable energy resources of current technological development.But, the uncertainty of wind resource and the noncontinuity of solar energy cause the electric energy power of wind-driven generator and solar panel output be pulsation with discrete, do not controlled and cannot be directly used in people's production and the needs of household electricity.Therefore these novel energies need independent Configuration Control Unit could access energy mix system, and cost is expensive.
Summary of the invention
The purpose of this utility model is the defect that overcomes prior art; a kind of electric hybrid power source system of intelligence oil of communication base station is provided; it has realized the seamless switching between frequency conversion DC generation unit and regenerative resource; when regenerative resource is effectively utilized; can also reduce air pollution, human environment protection is significant.
The technical scheme that realizes above-mentioned purpose is: a kind of electric hybrid power source system of intelligence oil of communication base station, comprise civil power, energy mix, energy mix manager, DC/DC switching controller and storage battery, wherein, described energy mix comprises diesel generating set, wind energy and solar energy; Described diesel engine generator is frequency conversion DC generation unit; Described civil power and energy mix are connected with the input of described energy mix manager, the output of described energy mix manager is connected with the input of described DC/DC switching controller, the output of described DC/DC switching controller is connected with load, and described storage battery is connected with output and the load of described DC/DC switching controller; Described energy mix manager comprises wind energy, solar maximum power point tracking means, AC/DC transducer and automatic switching control equipment, described energy mix manager is by the MPPT maximum power point tracking to wind energy, solar energy, realize the seamless switching of civil power, diesel generating set, wind energy and solar energy, and can be according to the start and stop of the voltage control diesel generating set of the power supply quality of civil power and storage battery, the alternating voltage that civil power, wind energy and diesel generating set can also be provided is converted to the first direct voltage; Described DC/DC switching controller is converted to the second direct voltage to described charge in batteries and controls discharging and recharging of described storage battery for the first direct voltage that described energy mix manager is provided; Described storage battery is for storing the electric energy of the second direct voltage that described DC/DC switching controller provides.
When the optimum output power of described wind energy and solar energy is greater than the actual power consumption of load, described DC/DC switching controller is controlled the unnecessary electric energy of described accumulators store; When the optimum output power of wind energy and solar energy is less than the actual power consumption of load, described DC/DC switching controller is controlled the electric energy supplemental capacity difference that described storage battery discharges storage, electric energy in storage battery discharges while finishing, and described energy mix manager starts described diesel generating set to charge in batteries bringing onto load.
The electric hybrid power source system of intelligence oil of above-mentioned communication base station, wherein, described frequency conversion DC generation unit comprises frequency conversion engine, permagnetic synchronous motor and control module.
The electric hybrid power source system of intelligence oil of above-mentioned communication base station, wherein, described storage battery is ferric phosphate lithium cell group.
The electric hybrid power source system of intelligence oil of above-mentioned communication base station, wherein, described the first direct voltage is 300V, described the second direct voltage is 48V.
The electric hybrid power source system of intelligence oil of communication base station of the present utility model, the frequency conversion direct current diesel generating set of take is core, the different energy is regulated to scheduling by unified controller, mutually supply its generating disappearance, realize the seamless switching between frequency conversion DC generation unit and regenerative resource, power output can be adjusted to optimum state automatically, generating efficiency is greatly enhanced, greatly reduced oil consumption, energy-conservationly reach 30%～70%, and the reliability of equipment is improved, be able to very big growth the useful life of equipment, in use procedure, no longer need base station air conditioner to carry out auxiliary temperature-reducing, not only the hardware investment cost of equipment is minimized, and daily maintenance cost is also minimized.With traditional by single diesel-electric set electric supply mode comparison; except cost, more can provide high-quality and stable electric weight to client, when regenerative resource is effectively utilized; also reduce the discharge of pollutant, human environment protection is significant.
accompanying drawing explanation
Fig. 1 is the structured flowchart of power-supply system of the communication base station of prior art;
Fig. 2 is the structured flowchart of the electric hybrid power source system of intelligence oil of communication base station of the present utility model;
Fig. 3 is the schematic diagram of the energy mix manager of the oily electric hybrid power source system of communication base station intelligence of the present utility model.
Embodiment
In order to make those skilled in the art can understand better the technical solution of the utility model, below in conjunction with accompanying drawing, its embodiment is described in detail:
Refer to Fig. 2 and Fig. 3, the electric hybrid power source system of intelligence oil of communication base station of the present utility model, comprises civil power 1, energy mix 2, energy mix manager 3, DC/DC switching controller 4 and storage battery 5.Civil power 1 and energy mix 2 are connected with the input of energy mix manager 3, the output of energy mix manager 3 is connected with the input of DC/DC switching controller 4, the output of DC/DC switching controller 4 is connected with load 6, and storage battery 5 is connected with output and the load 6 of DC/DC switching controller 4.
Energy mix 2 comprises diesel generating set 21, wind energy 22 and solar energy 23; Wherein,
Diesel generating set 21 is for frequency conversion DC generation unit and comprise frequency conversion engine, permagnetic synchronous motor and control module, it can adjust automatically according to the variation of bearing power the rotating speed of engine, thereby the output frequency and the power that change generator, make generating set always work in the most energy-conservation state; The machine power of frequency conversion engine is converted to the power supply of variable frequency and variable voltage, through the boost constant voltage direct current of rectification link stable output of PWM, even the in the situation that of nonlinear load and unbalanced load, also can export lasting, stable, continual power supply; Permagnetic synchronous motor adopts without bearing arrangement, and simple mechanical structure makes motor have the long-life, high efficiency and high reliability; Control module adaptive RS485, RS232 and USB communication port, can realize remote monitoring or with PC communication, realize remote signalling, telemetry and telecommand function completely, operational factor that can reading and writing unit, guarantees the stable operation of unit; The weight of frequency conversion DC generation unit is less than 100 kilograms, meets common carrier repairing and safeguards the requirement of being convenient to carrying;
Wind energy 22 is wind turbine generator;
Solar energy 23 is photovoltaic electrification component;
Energy mix manager 3 comprises wind energy, solar maximum power point tracking means 31, AC/DC transducer 32 and automatic switching control equipment 33; By the MPPT maximum power point tracking of wind energy 22, solar energy 23 being realized to the seamless switching of civil power 1, diesel generating set 21, wind energy 22 and solar energy 23, and can be according to the start and stop of the voltage control diesel generating set 21 of the power supply quality of civil power and storage battery, the alternating voltage that civil power 1, wind energy 22 and diesel generating set 21 can also be provided is converted to the first direct voltage 300V;
DC/DC switching controller 4 is converted to the second direct voltage 48V accumulators 5 for the first direct voltage 300V that energy mix manager 3 is provided and charges and control discharging and recharging of storage battery 5;
Storage battery 5 is ferric phosphate lithium cell group, for storing the electric energy of the second direct voltage 48V that DC/DC switching controller 4 provides; Compare traditional lead acid accumulator, lithium ion battery has better thermal adaptability and charge characteristic, and have that volume is little, quality is light, operating voltage is high, specific energy is large, have extended cycle life, the plurality of advantages such as pollution-free and security performance is good.
When the optimum output power of wind energy 22 and solar energy 23 is greater than the actual power consumption of load 6, DC/DC switching controller 4 is controlled the unnecessary electric energy of storage battery 5 storage; When the optimum output power of wind energy 22 and solar energy 23 is less than the actual power consumption of load 6, DC/DC switching controller 4 is controlled the electric energy supplemental capacity difference that storage battery 5 discharges storage, electric energy in storage battery 5 discharges while finishing, and energy mix manager 3 starts 21 pairs of storage batterys of diesel generating set, 5 charging bringing onto loads 6.
The electric hybrid power source system of intelligence for communication base station oil of the present utility model has four kinds of mode of operations:
The first mode of operation be wind energy 22 or solar energy 23 or civil power 1(separately or combination) accumulators 5 charge modes, time is 0～24 hour, now diesel generating set 21 is in shutting down holding state, 3 pairs of wind energies 22 of energy mix manager and solar energy 23 carry out maximal power tracing, to control wind energy 22 and solar energy 23, work alone or synergistically, maximally utilise free wind energy 22 or solar energy 23, when the energy of wind energy 22 and solar energy 23 stacks can not meet the charging of storage battery 5 and the needs of load 6, first whether normally detect civil power 1, if civil power 1 is normal, adopt civil power 1 as the supplementary power supply of wind energy and solar energy, if wind energy 22 or solar energy 23 outputs are all lower than initial value, be switched to civil power 1, by civil power 1, separately storage battery 5 is charged and bringing onto loads 6, if civil power 1 is undesired or power-off, be switched to the second mode of operation,
The second mode of operation is diesel generating set 21 operation accumulators 5 charge modes, and be 3～4 hours running time; Now 3 pairs of wind energies 22 of energy mix manager and solar energy 23 carry out maximal power tracing, if the wind energy energy 22 and solar energy 23 have a small amount of energy to utilize, adopt diesel generating set 21 as the supplementary power supply of the wind energy energy 22 or solar energy 23, if wind energy 22 or solar energy 23 outputs, all lower than initial value, are charged and bringing onto loads 6 to storage battery 5 separately by frequency conversion DC generation unit 21.When storage battery 5 charging reach setting capacity 85%～100% and moved the minimum charging interval, although or storage battery 5 chargings do not reach predetermined volumes, but diesel generating set reaches the longest charge operation of setting 21 running times during the time, enters the third mode of operation;
The third mode of operation is battery discharging pattern, and be 12～20 hours running time; When diesel generating set 21 has moved the time (3～4 hours) of setting, enter shutdown procedure, after supercooling time delay, shut down and enter standby mode, the power of now load 6 is provided by storage battery 5 electric discharges, 3 pairs of wind energies 22 of energy mix manager and solar energy 23 carry out maximal power tracing, dynamically supplement in real time part or all load energy;
The 4th kind of mode of operation is to force diesel generating set 21 timing start-up patterns, when wind energy 22 or solar energy 23 or civil power 1 always normal, when diesel generating set 21 is had no chance full load operation for a long time, by energy mix manager 3, control the timed and forced start of diesel generating set 21, now be forced shutdown or reduce wind energy 22, the output of solar energy 23 and civil power 1, preferential assurance diesel generating set 21 can full load move and move the minimum charging interval of setting, startability and full load load capacity with check diesel generating set 21, and by full load, move high temperature in the cylinder producing, remove carbon-deposits the cylinder, stop not move the bad phenomenon such as issuable smoke exhaust pipe leakage of oil because diesel generating set 21 has full load for a long time, and after storage battery 5 is charged, diesel generating set 21 autostops, by regularly, with the check of full load trial run, can guarantee that diesel generating set 21 maintains best available operating mode all the time.
Frequency conversion DC generation unit in the electric hybrid power source system of intelligence oil of communication base station of the present utility model changes power output according to load, thereby the low load behavior of not energy-conserving and environment-protective is converted to substantially fully loaded economic condition, has greatly reduced oil consumption.Energy mix manager is realized the seamless switching of wind energy, solar energy and diesel generating set, possesses maximal power tracing function, to client stable output, lasting high quality power supply.Experiment showed, that hybrid power source system of the present utility model has very high feasibility, can not only meet the electricity consumption requirement of communication base station, and the mankind's environmental protection cause is significant.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for the utility model is described, and be not used as restriction of the present utility model, as long as within the scope of connotation of the present utility model, to the variation of the above embodiment, modification, all will drop within the scope of claims of the present utility model.

Claims (4)

1. the electric hybrid power source system of the intelligence of communication base station oil, comprises civil power, energy mix, energy mix manager, DC/DC switching controller and storage battery, it is characterized in that, described energy mix comprises diesel generating set, wind energy and solar energy; Described diesel engine generator is frequency conversion DC generation unit; Described civil power and energy mix are connected with the input of described energy mix manager, the output of described energy mix manager is connected with the input of described DC/DC switching controller, the output of described DC/DC switching controller is connected with load, and described storage battery is connected with output and the load of described DC/DC switching controller;
Described energy mix manager comprises wind energy, solar maximum power point tracking means, AC/DC transducer and automatic switching control equipment, described energy mix manager is by the MPPT maximum power point tracking to wind energy, solar energy, realize the seamless switching of civil power, diesel generating set, wind energy and solar energy, and can be according to the start and stop of the voltage control diesel generating set of the power supply quality of civil power and storage battery, the alternating voltage that civil power, wind energy and diesel generating set can also be provided is converted to the first direct voltage;
Described DC/DC switching controller is converted to the second direct voltage to described charge in batteries and controls discharging and recharging of described storage battery for the first direct voltage that described energy mix manager is provided;
Described storage battery is for storing the electric energy of the second direct voltage that described DC/DC switching controller provides.
2. the electric hybrid power source system of the intelligence of communication base station according to claim 1 oil, is characterized in that, described frequency conversion DC generation unit comprises frequency conversion engine, permagnetic synchronous motor and control module.
3. the electric hybrid power source system of the intelligence of communication base station according to claim 1 oil, is characterized in that, described storage battery is ferric phosphate lithium cell group.
4. the electric hybrid power source system of the intelligence of communication base station according to claim 1 oil, is characterized in that, described the first direct voltage is 300V, and described the second direct voltage is 48V.
CN201320375684.4U 2013-06-27 2013-06-27 Intelligent diesel-electric hybrid power supply system of communication base station Expired - Fee Related CN203406636U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104767263A (en) * 2015-01-23 2015-07-08 曹进 Energy-saving type electric vehicle charging station

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104767263A (en) * 2015-01-23 2015-07-08 曹进 Energy-saving type electric vehicle charging station

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Address after: Qingpu Tianchen road 201712 Shanghai City Park of Zhangjiang High tech Zone No. 1633

Patentee after: Shanghai Cooltech Power Co., Ltd.

Address before: 201703 Shanghai City Industrial Park, Qingpu District Songhua Road No. 688

Patentee before: Shanghai Cooltech Power Co., Ltd.

TR01 Transfer of patent right

Effective date of registration: 20171226

Address after: 350026 Haruki Road, Fuzhou, Cangshan District, Cangshan District, Fujian Province, No. 166 -1-2925 (self trade test area)

Patentee after: Fujian taid Electric Power Equipment Co., Ltd.

Address before: Qingpu Tianchen road 201712 Shanghai City Park of Zhangjiang High tech Zone No. 1633

Patentee before: Shanghai Cooltech Power Co., Ltd.

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140122

Termination date: 20210627

CF01 Termination of patent right due to non-payment of annual fee