CN203135553U - Wind/photovoltaic hybrid power supply system for highway monitor - Google Patents
Wind/photovoltaic hybrid power supply system for highway monitor Download PDFInfo
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- CN203135553U CN203135553U CN 201320104028 CN201320104028U CN203135553U CN 203135553 U CN203135553 U CN 203135553U CN 201320104028 CN201320104028 CN 201320104028 CN 201320104028 U CN201320104028 U CN 201320104028U CN 203135553 U CN203135553 U CN 203135553U
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- 238000010248 power generation Methods 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 29
- 230000000295 complement effect Effects 0.000 claims description 15
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- 239000003990 capacitor Substances 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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Abstract
The utility model relates to a wind/photovoltaic hybrid power supply system for highway monitor, comprising a DC remote power supply system, a wind power generation system, a solar power generation system, a storage battery set, an inverter, an MCU master control unit, an AC switching unit and a communication unit. The DC remote power supply system comprises a remote supply emission unit, a composite cable and a remote supply reception unit. According to the wind/photovoltaic hybrid power supply system for highway monitor, intelligent switching between the wind/photovoltaic hybrid power supply system and the DC remote power supply system is achieved, the line loss of the DC remote power supply system is effectively reduced, wind and solar power which is clean and environmental-friendly is effectively utilized under optimum climate conditions, in addition, power is continuously and reliably supplied for monitor equipment in an extreme severe environment, and safety hidden trouble caused by the insufficient service capability of the storage battery is eliminated.
Description
Technical field
The utility model relates to the electric complementary remote electric power system of scene, and especially a kind of freeway surveillance and control is with honourable electric complementary power supply system.Be applicable to express highway all-way watch-dog such as high definition monopod video camera, atmospherium, Vehicle analyzer, variable information board etc.
Background technology
The various watch-dogs of highway generally adopt to be concentrated or relative centrally connected power supply, used power supply from the power plant or high-voltage fence in the neighbourhood draw, deliver to the electric substation of highway oneself, produce 220V or 380V alternating current through low-tension transformer, afterwards by power cable with form of communication to the remote monitor power devices.Because long transmission distance, line drop is big, therefore needs to increase on the line necessary stabilized voltage power supply.For avoiding ac cable to the interference of devices communicating cables such as atmospherium, Vehicle analyzer and variable information board, the form that adopts ditching separately to lay causes the significantly increase of construction cost.
At present, can also adopt the direct current form to the watch-dog remote power feeding.The direct current remote electric power system sends part, remote power feeding receiving unit and cable transmission line by remote power feeding and forms.Remote power feeding sends part and contains the AC/DC converter, the alternating current that low-tension transformer is produced converts direct current to and is transferred to the remote power feeding receiving unit, the remote power feeding receiving unit contains DC/AC or DC/DC converter, and described converter is connected with corresponding watch-dog.Be different from the interchange remote power feeding, the direct current supply scheme neither needs to add extra stabilized voltage power supply, does not also need ditching separately to lay power cable.However, still there is line loss in the direct current remote electric power system.The watch-dog gross power is more high, and line loss is more serious, further aggravates the electric energy imbalance between supply and demand.Because the direct current remote electric power system do not possess telecommunication capabilities at present, this will bring inconvenience for plant maintenance in the future and management.
Wind-photovoltaic complementary power supply system utilizes, and renewable, free of contamination wind energy and solar energy are powered to watch-dog.This scheme mainly is made up of wind-driven generator, solar panel, storage battery, controller and inverter.The unstable alternating current that wind-driven generator produces, and the direct current of solar panel generation, the process controller is to charge in batteries.The output of storage battery provides alternating current by inverter conversion back to watch-dog, also can directly connect DC load.Although storage battery can satisfy the needs of watch-dog electricity consumption at night, yet because wind energy and solar energy all have randomness and intermittence, under lasting harsh climate environment, storage battery flying power deficiency will be brought serious potential safety hazard, and system reliability will face huge challenge.
Summary of the invention
The utility model has overcome the deficiencies in the prior art, provides a kind of freeway surveillance and control with honourable electric complementary power supply system.This electric power system combines wind-photovoltaic complementary power supply system with the direct current remote electric power system, reduced line loss effectively, has improved system reliability.
The utility model is by the following technical solutions:
A kind of freeway surveillance and control is with honourable electric complementary power supply system, comprise the direct current remote electric power system, wind power generation system, solar power system, batteries, inverter, MCU Main Processing Unit, exchange switch unit and communication unit, described direct current remote electric power system comprises far away from transmitting element, composite cable, far away from receiving element, described MCU Main Processing Unit is connected with communication unit is two-way with the interchange switch unit respectively, described MCU Main Processing Unit is connected with the solar power system input with the wind power generation system input respectively, described wind power generation system output is connected with the batteries input respectively with the solar power system output, described batteries output is connected with the inverter input with MCU Main Processing Unit respectively, described inverter output end is connected with interchange switch unit input, described interchange switch unit output is connected with described communication unit input, described interchange switch unit has the port that is connected with extraneous watch-dog, described communication unit is connected with composite cable is two-way, the described receiving element that supplies far away is connected with interchange switch unit input by the DC/AC converter, and described MCU Main Processing Unit is connected with composite cable by the DC/AC converter.
Further, described communication unit comprises wireless module GPRS or ethernet interface or serial communication interface.
The beneficial effects of the utility model: this electric power system has realized the intelligence switching of wind-photovoltaic complementary power supply system and direct current remote electric power system, reduced the line loss of direct current remote electric power system effectively, not only can under the good growing weather condition, effectively utilize wind energy and the solar energy of clean environment firendly, and in exceedingly odious environment, can continue to power to watch-dog reliably, eliminated the potential safety hazard that storage battery flying power deficiency is brought.
Description of drawings
Fig. 1 is systematic schematic diagram of the present utility model.
Embodiment:
Below in conjunction with accompanying drawing the utility model is done further explanation.
As shown in Figure 1, a kind of freeway surveillance and control is with honourable electric complementary power supply system, comprise the direct current remote electric power system, wind power generation system, solar power system, batteries, inverter, MCU Main Processing Unit, exchange switch unit and communication unit, described direct current remote electric power system comprises far away from transmitting element, composite cable, far away from receiving element, described MCU Main Processing Unit is connected with communication unit is two-way with the interchange switch unit respectively, described MCU Main Processing Unit is connected with the solar power system input with the wind power generation system input respectively, described wind power generation system output is connected with the batteries input respectively with the solar power system output, described batteries output is connected with the inverter input with MCU Main Processing Unit respectively, described inverter output end is connected with interchange switch unit input, described interchange switch unit output is connected with described communication unit input, described interchange switch unit has the port that is connected with extraneous watch-dog, described communication unit is connected with composite cable is two-way, the described receiving element that supplies far away is connected with interchange switch unit input by the DC/AC transducer, and described MCU Main Processing Unit is connected with composite cable by the DC/AC transducer.
Described wind power generation system and solar power system with the direct current form to battery charging.Described MCU Main Processing Unit with Fixed Time Interval to the sampling analysis of batteries output end voltage, if terminal voltage is higher than default safe discharge voltage, MCU Main Processing Unit is realized automaticallying switch by exchanging switch unit, and the direct voltage of batteries output is by directly be that watch-dog is powered with form of communication behind the inverter; If terminal voltage is near or below safe discharge voltage, MCU Main Processing Unit can be controlled and exchange the output of switch unit cut-out inverter, and open the direct current remote electric power system and power to watch-dog with form of communication, MCU Main Processing Unit will be crossed to Surveillance center's transmission batteries by communication unit and put warning information simultaneously.The real-time status of switch unit is kept in the state information, and Surveillance center can require MCU Main Processing Unit feedback states information by communication unit.Described watch-dog comprises high definition monopod video camera, variable information board, atmospherium and wagon detector.Communication unit can adopt multiple mode to realize telecommunication.Under the less and less demanding situation of real-time, can consider to adopt wireless module GPRS in amount of communication data.Can also adopt the interface duplex technology to realize by the original communication port of freeway surveillance and control equipment (ethernet line, RS485 Serial Port Line etc.).
Described MCU Main Processing Unit can be realized forcing to switch by exchanging switch unit, specifically sends the control message by Surveillance center, arrives MCU Main Processing Unit through communication unit, and then realizes the long-range switching to alternating current path.Simultaneously, MCU Main Processing Unit can also be implemented to isolate sampling to the alternating current that exchanges switch unit output, and sampled data is fed back to Surveillance center by communication unit.Surveillance center can take positive closing and open operation respectively to wind power generation system and solar power system by the Long-distance Control MCU Main Processing Unit where necessary according to the reliability of AC sampling data and the local assessment of weather condition in the recent period wind-light complementary system.When long-range positive closing wind-photovoltaic complementary power supply system, alarm function is together forbidden.MCU Main Processing Unit adopts the power supply of direct current remote electric power system.High voltage direct current on the composite cable converts the 220V alternating current to through the DC/AC converter, powers to MCU Main Processing Unit by connecting Switching Power Supply.
Receiving element and the MCU Main Processing Unit of supplying far away is placed near in the distribution box of watch-dog, and the lightning protection of distribution box should meet relevant GB requirement with anti-water quality standard.The intelligence switching that MCU Main Processing Unit is mainly used in data collection and analysis, telecommunication and realizes wind-photovoltaic complementary power supply system and direct current remote electric power system.Wind energy and sunshine abundance situation under, adopt the wind light mutual complementing power supply, direct current far is provided as stand-by power supply no-load running; Under lasting harsh climate environment, mainly adopt the direct current remote power feeding, this moment, super capacitor electric weight deficiency may cause frequent alarm, can long-rangely close wind-photovoltaic complementary power supply system in case of necessity.MCU Main Processing Unit can also be by state information, super capacitor safe voltage warning information and the interchange output sample information of telecommunication to Surveillance center's feedback communication switch unit.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (2)
1. a freeway surveillance and control is with honourable electric complementary power supply system, it is characterized in that, comprise the direct current remote electric power system, wind power generation system, solar power system, batteries, inverter, MCU Main Processing Unit, exchange switch unit and communication unit, described direct current remote electric power system comprises far away from transmitting element, composite cable, far away from receiving element, described MCU Main Processing Unit is connected with communication unit is two-way with the interchange switch unit respectively, described MCU Main Processing Unit is connected with the solar power system input with the wind power generation system input respectively, described wind power generation system output is connected with the batteries input respectively with the solar power system output, described batteries output is connected with the inverter input with MCU Main Processing Unit respectively, described inverter output end is connected with interchange switch unit input, described interchange switch unit output is connected with described communication unit input, described interchange switch unit has the port that is connected with extraneous watch-dog, described communication unit is connected with composite cable is two-way, the described receiving element that supplies far away is connected with interchange switch unit input by the DC/AC transducer, and described MCU Main Processing Unit is connected with composite cable by the DC/AC transducer.
2. freeway surveillance and control according to claim 1 is characterized in that with honourable electric complementary power supply system, and described communication unit comprises wireless module GPRS or ethernet interface or serial communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320104028 CN203135553U (en) | 2013-03-07 | 2013-03-07 | Wind/photovoltaic hybrid power supply system for highway monitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320104028 CN203135553U (en) | 2013-03-07 | 2013-03-07 | Wind/photovoltaic hybrid power supply system for highway monitor |
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| CN203135553U true CN203135553U (en) | 2013-08-14 |
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| CN 201320104028 Expired - Lifetime CN203135553U (en) | 2013-03-07 | 2013-03-07 | Wind/photovoltaic hybrid power supply system for highway monitor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746639A (en) * | 2014-01-22 | 2014-04-23 | 南京工业职业技术学院 | Wind-solar complementary mobile base station intelligent power supply system |
| CN108736800A (en) * | 2018-06-27 | 2018-11-02 | 山东省水利勘测设计院 | A kind of direct-current remote feeding power and solar power generation, wind power generation mixed power supply system |
| CN117578464A (en) * | 2024-01-15 | 2024-02-20 | 山西省智慧交通研究院有限公司 | A highway multi-source power supply system and method |
-
2013
- 2013-03-07 CN CN 201320104028 patent/CN203135553U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746639A (en) * | 2014-01-22 | 2014-04-23 | 南京工业职业技术学院 | Wind-solar complementary mobile base station intelligent power supply system |
| CN103746639B (en) * | 2014-01-22 | 2016-02-17 | 南京工业职业技术学院 | A kind of wind photovoltaic hybrid movable base station intelligent power supply system |
| CN108736800A (en) * | 2018-06-27 | 2018-11-02 | 山东省水利勘测设计院 | A kind of direct-current remote feeding power and solar power generation, wind power generation mixed power supply system |
| CN117578464A (en) * | 2024-01-15 | 2024-02-20 | 山西省智慧交通研究院有限公司 | A highway multi-source power supply system and method |
| CN117578464B (en) * | 2024-01-15 | 2024-04-02 | 山西省智慧交通研究院有限公司 | A highway multi-source power supply system and method |
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| C14 | Grant of patent or utility model | ||
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Address after: 210000 Jiangsu, Nanjing Nanjing economic and Technological Development Zone, Qixia Road, Guang Yue Road, No. 26, S08, S12 Patentee after: GENTURE ELECTRONICS Co.,Ltd. Address before: 210000 Room 303, Yi Fa science and technology building, 228 Guangzhou Road, Gulou District, Nanjing, Jiangsu. Patentee before: NANJING GENTURE INFORMATION INDUSTRY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |