CN108258791A - Light-electricity complementary power-supply system - Google Patents

Light-electricity complementary power-supply system Download PDF

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Publication number
CN108258791A
CN108258791A CN201711487447.6A CN201711487447A CN108258791A CN 108258791 A CN108258791 A CN 108258791A CN 201711487447 A CN201711487447 A CN 201711487447A CN 108258791 A CN108258791 A CN 108258791A
Authority
CN
China
Prior art keywords
output terminal
unit
connected
solar
battery pack
Prior art date
Application number
CN201711487447.6A
Other languages
Chinese (zh)
Inventor
陈岩
舒哲敏
Original Assignee
武汉祺誉星科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉祺誉星科技有限公司 filed Critical 武汉祺誉星科技有限公司
Priority to CN201711487447.6A priority Critical patent/CN108258791A/en
Publication of CN108258791A publication Critical patent/CN108258791A/en

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems
    • Y02B10/72Uninterruptible or back-up power supplies integrating renewable energies

Abstract

The present invention relates to a kind of light-electricity complementary power-supply systems,Including solar battery photovoltaic cell pole plate,The solar controller of the solar battery photovoltaic cell pole plate output terminal connection,The solar controller output terminal is connected with Direct Current Distribution Unit,The Direct Current Distribution Unit output terminal is connected with load,The solar controller output terminal is also associated with the first battery pack and the second battery pack,The Direct Current Distribution Unit is connected with monitoring unit,The monitoring unit respectively with load,First battery pack is connected with the second battery pack,The monitoring unit is connect with solar controller,The monitoring unit output terminal is connected with exchange control unit,The output terminal of the exchange control unit is connected with rectifier unit,The output terminal connection Direct Current Distribution Unit of the rectifier unit,The output terminal of the monitoring unit is also connected with liquid crystal display and key input unit.The present invention realizes the working method of " solar energy is primary, alternating current is spare ", the maximization of Solar use.

Description

Light-electricity complementary power-supply system

Technical field

The present invention relates to light-electricity complementary power supply technique fields, and in particular to a kind of light-electricity complementary power-supply system.

Background technology

Solar energy, wind energy are the most reliable energy that the Nature assigns the mankind, it is pollution-free, continually, by people Be more and more popularly applied among life.In short of electricity power leakage area such as mountain area, desert, rivers etc., alternating current is difficult to reach, i.e., Make also become extremely uneconomical, and the fuel supply of diesel engine is unreliable, therefore, seldom needs to safeguard, need not pay electricity Expense, feasible reliable solar energy, wind power source system are become as best power source.

China possesses abundant solar energy resources and wind energy resources, has become country to making full use of for these green energy resources The long-term most direct method of energy strategy and " energy-saving and emission-reduction ".

For the newly-built base station site of surrounding city, mountain village, rural areas, highway and other Along Traffic Trunk Lines etc., Especially repeater equipment site, since electric difficulty, mains failure is frequent, power network fluctuation is big and takes electrical distance remote in the presence of taking nearby The problems such as, the green power supply solution based on such application scenarios is applied and is given birth to.For communication base station power supply, domestic power system A variety of power demands such as system, at village level solar photovoltaic power plant, develop green power supply solution, can provide stable electricity Believe that grade power supply ensures, be the returns of investment optimum network construction scheme of use above scene using green power supply scheme, while It is that the network O&M efficiency of management is best, to substantially reduce later stage network O&M cost.

Invention content

It is a kind of for surrounding city, mountain village, rural areas, highway and other traffic the purpose of the invention is to provide Newly-built base station site power supply along the line etc., and a kind of light-electricity complementary power-supply system is provided.

Light-electricity complementary power-supply system provided by the invention, including solar battery photovoltaic cell pole plate, the solar energy side The solar controller of battle array photovoltaic cell pole plate output terminal connection, the solar controller output terminal are connected with DC distribution list Member, the Direct Current Distribution Unit output terminal are connected with load, and the solar controller output terminal is also associated with the first battery pack With the second battery pack, the Direct Current Distribution Unit is connected with monitoring unit, the monitoring unit respectively with load, the first battery pack It is connected with the second battery pack, the monitoring unit is connect with solar controller, and the monitoring unit output terminal is connected with exchange Control unit, the output terminal of the exchange control unit are connected with rectifier unit, the output terminal connection of the rectifier unit Direct Current Distribution Unit, the output terminal of the monitoring unit are also connected with liquid crystal display and key input unit.

In the above-mentioned technical solutions, the solar battery photovoltaic cell pole plate includes multigroup 4-7 section photovoltaic cell poles Plate.

In the above-mentioned technical solutions, the first battery pack and the second battery pack are respectively 1000AH batteries.

In the above-mentioned technical solutions, the monitoring unit output terminal is connected with RS232 communication interfaces.

In the above-mentioned technical solutions, the solar battery photovoltaic cell pole plate uses built on stilts installation;

In the above-mentioned technical solutions, the monitoring unit is arranged in integral control cabinet, using outdoor cabinet, is placed On solar energy truss frame platform.

In the above-mentioned technical solutions, first battery pack and the second battery pack use buried installation.

The working method of the present invention using the above structure is as follows:

The operating mode of the present invention is that solar energy is primary, alternating current is spare, controls the input mode of alternating current.In continuous sunny When completely by solar powered, Switching Power Supply is not turned on.Night provides powering load by accumulator;On daytime, solar energy is to storage Battery supplement night discharges and is full of, while provides load electricity consumption;During continuous sunny, so circularly work, it can be true Load equipment is protected reliably to be powered, and do not enable alternating current.The requirement of solar energy plate configuration:The per day generated energy of solar energy Power consumption of 24 hours one day more than load;Battery configuration requirement:Meet the load supplying of two days or more.

When meeting with rainy days, solar energy is insufficient, accumulator continuous discharge cannot supplement, and holds in system detectio accumulator When amount is down to certain level, charged a battery by monitoring unit starting switch power supply while powering load.It will switch electricity The ac input end in source increases an exchange control unit, exchange is controlled to control according to the terminal voltage situation of battery by monitoring unit Contactor in unit processed opens and closes.When battery discharging to the voltage set, monitoring sends out order, starts exchange and connects Tentaculum connects the exchange input of Switching Power Supply, and then rectifier is started to work, and it is that accumulator fills simultaneously to provide power supply for load Electricity.Delay disconnects (time can set) after contactor unlatching a period of time or monitoring unit monitoring battery is filled with and had too During positive energy output current, control instruction is sent out, contactor disconnects, and restores solar powered, so as to fulfill " solar energy is primary, city Electricity it is spare " working method, realize the maximization of Solar use.

Description of the drawings

Fig. 1 is the functional block diagram of light-electricity complementary power-supply system in the present invention;

In figure:1st, solar battery photovoltaic cell pole plate;2nd, solar controller;3rd, Direct Current Distribution Unit;4th, it loads;5、 First battery pack;6th, the second battery pack;7th, monitoring unit;8th, control unit is exchanged;9th, rectifier unit;10th, liquid crystal display list Member;11st, key input unit.

Specific embodiment

Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:

Light-electricity complementary power-supply system in the present invention, as shown in Figure 1, including solar battery photovoltaic cell pole plate 1, described The solar controller 2 of 1 output terminal of solar battery photovoltaic cell pole plate connection, 2 output terminal of the solar controller connection There is Direct Current Distribution Unit 3,3 output terminal of Direct Current Distribution Unit is connected with load 4, and 2 output terminal of solar controller is also The first battery pack 5 and the second battery pack 6 are connected with, Direct Current Distribution Unit 3 is connected with monitoring unit 7, and the monitoring unit 7 is distinguished It is connect with the 4, first battery pack 5 of load and the second battery pack 6, the monitoring unit 7 is connect with solar controller 2, the prison Control 7 output terminal of unit is connected with exchange control unit 8, and the output terminal of the exchange control unit 8 is connected with rectifier unit 9, The output terminal connection Direct Current Distribution Unit 3 of the rectifier unit 9, the output terminal of the monitoring unit 7 are also connected with liquid crystal display Unit 10 and key input unit 11.

Solar battery photovoltaic cell pole plate 1 includes multigroup 4-7 section photovoltaic cell pole plates.First battery pack 5 and the second electricity Pond group 6 is respectively 1000AH batteries.7 output terminal of monitoring unit is connected with RS232 communication interfaces.With reference to the ground of specific implementation case The area annual sunshine time about 1975h of nearest 8 years, is converted into the effective sunshine of averagely daily 5.4h, 34 ° of latitude, square formation is inclined Angle takes 40 °, loading condition:For communication equipment power, work nominal voltage -48VDC, for 24 hours/day continuous work;Base station electricity consumption is born Lotus 30A (1500W);The battery backup time is 2 days (48 hours).

The selection gist of accumulator:Power number of days=accumulator ampere-hour number × system operating voltage/(bearing power × 24) ×0.75

By the preparation time of 2 days:

Accumulator capacity=power supply number of days × 24 × bearing power/(system operating voltage × 0.75)

=2 × 24 × 30/0.75

=1920AH

Therefore the first battery pack 5 and the second battery pack 6 selection accumulator 1000AH.

The selection gist of solar energy pole plate:

Sun pole plate peak watt=(bearing power × 24)/(average sunshine time × 0.9 in locality)

=1500 × 24/ (6 × 0.9)

=6666 (pW)

The pole plate of 175pW is selected, then solar energy pole plate block number=6666/175=38.1;

Solar energy pole plate balance is installed to consider, then needs 40 pieces of pole plates totally 7000 (pW).

The voltage setting reference of contactor:The voltage setting of starting contactor can refer to following table situation:

(1) power supply number of days=sun pole plate peak watt × locality is averaged sunshine time/(bearing power × 24) × 0.9

(2) power number of days=accumulator ampere-hour number × system operating voltage/(bearing power × 24) × 0.75

Each equipment mounting means in present system:

It is made a choice according to local physical condition.

A, the mounting means of solar cell:Built on stilts installation, can be tamper-proof, saves space, reduces cost.

B, the mounting means of integral control cabinet:Using outdoor cabinet, it is placed on solar energy truss frame platform.

C, the mounting means of accumulator:Using buried installation.

The buried cabinet of accumulator has well solved accumulator outdoor installation difficulty, and easily stolen and service life is by temperature Degree influences the problem of big.

It is had the characteristics that using buried installation:

(1) waterproof

Battery cabinet achievees the purpose that waterproof by welding.Add waterproof adhesive tape between battery cabinet and cover board, and pass through suitable When security measure waterproof adhesive tape is compressed, to reach waterproof purpose.

(2) it divulges information

Since battery has a small amount of gas overflowing in use, acid gas is had in battery cupboard, moisture needs to discharge.Pass through It suitably arranges to air inlet pipe, exhaust pipe, the exhaust gas in battery cupboard can be discharged.To prevent sundries from entering by air inlet pipe, exhaust pipe In battery cupboard, fly net is installed in the nozzle of air inlet pipe, exhaust pipe.

(3) it is antitheft

By installing gate inhibition between battery cabinet and cover board, when battery cabinet is detached with cover board, alarm is realized.

Battery cupboard when mounted, need to select different buried depth according to different using areas, ensure buried cabinet installation Below frozen soil layer.

The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.

Claims (8)

1. a kind of light-electricity complementary power-supply system, it is characterised in that:Including solar battery photovoltaic cell pole plate (1), the sun The solar controller (2) of energy square formation photovoltaic cell pole plate (1) output terminal connection, solar controller (2) output terminal connect Direct Current Distribution Unit (3) is connected to, Direct Current Distribution Unit (3) output terminal is connected with load (4), the solar controller (2) output terminal is also associated with the first battery pack (5) and the second battery pack (6), and it is single that the Direct Current Distribution Unit (3) is connected with monitoring First (7), the monitoring unit (7) connect respectively with load (4), the first battery pack (5) and the second battery pack (6), the monitoring Unit (7) is connect with solar controller (2), and monitoring unit (7) output terminal is connected with exchange control unit (8), described The output terminal of exchange control unit (8) is connected with rectifier unit (9), the output terminal connection direct current of the rectifier unit (9) Power distribution unit (3), the output terminal of the monitoring unit (7) are also connected with liquid crystal display (10) and key input unit (11).
2. light-electricity complementary power-supply system according to claim 1, it is characterised in that:The solar battery photovoltaic cell pole Plate (1) includes multigroup 4-7 section photovoltaic cell pole plates.
3. light-electricity complementary power-supply system according to claim 1, it is characterised in that:First battery pack (5) and second Battery pack (6) is respectively 1000AH batteries.
4. light-electricity complementary power-supply system according to claim 1, it is characterised in that:Monitoring unit (7) output terminal connects It is connected to RS232 communication interfaces.
5. light-electricity complementary power-supply system according to claim 1, it is characterised in that:The solar battery photovoltaic cell pole The inclination angle of plate (1) is 40 °.
6. light-electricity complementary power-supply system according to claim 1, it is characterised in that:The solar battery photovoltaic cell pole Plate (1) is using built on stilts installation.
7. light-electricity complementary power-supply system according to claim 1, it is characterised in that:The monitoring unit (7) is arranged on one In body switch board, using outdoor cabinet, it is placed on solar energy truss frame platform.
8. light-electricity complementary power-supply system according to claim 1, it is characterised in that:First battery pack (5) and second Battery pack (6) uses buried installation.
CN201711487447.6A 2017-12-29 2017-12-29 Light-electricity complementary power-supply system CN108258791A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711487447.6A CN108258791A (en) 2017-12-29 2017-12-29 Light-electricity complementary power-supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711487447.6A CN108258791A (en) 2017-12-29 2017-12-29 Light-electricity complementary power-supply system

Publications (1)

Publication Number Publication Date
CN108258791A true CN108258791A (en) 2018-07-06

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Application Number Title Priority Date Filing Date
CN201711487447.6A CN108258791A (en) 2017-12-29 2017-12-29 Light-electricity complementary power-supply system

Country Status (1)

Country Link
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201515334U (en) * 2009-09-25 2010-06-23 山东昂立天晟光伏科技有限公司 Solar photovoltaic generating system for power supply transformer substation
CN101814769A (en) * 2010-03-08 2010-08-25 北京凯华网联新能源技术有限公司 Electricity supply system of wind and light commercial power complementary communication base station
CN104242794A (en) * 2014-09-04 2014-12-24 杨敏杰 Solar direct-current supply station

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201515334U (en) * 2009-09-25 2010-06-23 山东昂立天晟光伏科技有限公司 Solar photovoltaic generating system for power supply transformer substation
CN101814769A (en) * 2010-03-08 2010-08-25 北京凯华网联新能源技术有限公司 Electricity supply system of wind and light commercial power complementary communication base station
CN104242794A (en) * 2014-09-04 2014-12-24 杨敏杰 Solar direct-current supply station

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Application publication date: 20180706