CN202182408U - Solar photovoltaic DC (direct-current) lighting system for boarding bridge - Google Patents
Solar photovoltaic DC (direct-current) lighting system for boarding bridge Download PDFInfo
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- CN202182408U CN202182408U CN2011201892775U CN201120189277U CN202182408U CN 202182408 U CN202182408 U CN 202182408U CN 2011201892775 U CN2011201892775 U CN 2011201892775U CN 201120189277 U CN201120189277 U CN 201120189277U CN 202182408 U CN202182408 U CN 202182408U
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Abstract
A solar photovoltaic DC (direct-current) lighting system for a boarding bridge comprises a solar photovoltaic cell component, a booster chopper, a storage battery, a rectifier, a control system, a power supply switcher and a DC energy-saving lamp, wherein the solar photovoltaic cell component supplies power in two paths via a counter-current prevention circuit by conducting wires, one path is used for supplying power to the DC energy-saving lamp via the booster chopper and the power supply switcher, and the other path is used for supplying power to the storage battery via a charging and discharging controller; the control system is arranged between the booster chopper and the charging and discharging controller and is connected with the output end of the solar photovoltaic cell component and the power supply switcher through data lines; and the power supply switcher is connected with a 220 V alternating-current power grid through the rectifier. With the adoption of the solar photovoltaic DC lighting system, when the photovoltaic electric energy exceeds the power demand of the lighting system, the electric energy is stored in the storage battery; when the photovoltaic electric energy cannot effectively meet the power demand of the lighting system, the power supply for supplying power is switched to the 220V mains supply, thereby effectively achieving that the solar energy is utilized to light the boarding bridge.
Description
Technical field
The utility model relates to the photovoltaic solar illuminator, the bridge solar energy photovoltaic direct current illuminator of going on board of dc lighting light fixture on particularly a kind of bridge that is used to go on board..
Background technology
The bridge of going on board provides to the harbour in order to connect ferryboat and a kind of enclosed channel of waiting castle; Be not merely the passenger round-the-clock, convenient, fast, comfortable, safe upper and lower ferryboat service is provided; Realized that also the passenger is flowed and the crossings on different level of harbour vehicular movement, can effectively improve the management order and raising efficiency of service at harbour.
Photovoltaic lighting system is typical " photovoltaic+energy storage " system, the photovoltaic generation on daytime that weather is good, and institute's electricity is to charge in batteries, and night, battery discharged to power load.To the dc lighting light fixture, utilize city's net alternating current like need, then adopt rectifier to carry out ac-dc conversion.Using solar photovoltaic illuminator on the bridge of going on board, there are certain interlinking in its technical scheme and building interior lighting system, simultaneously, also have local otherness because application foundation is different.
(1) the bridge use aspect of going on board: the bridge of going on board provides to the harbour in order to connect ferryboat and a kind of enclosed channel of waiting castle;
(2) the bridge structure aspect of going on board: the bridge of going on board can be independent of on space structure waits castle and ferryboat; Can the realization of harbour self function not exerted an influence building of system; Be that photovoltaic system is the slave system of bridge of going on board, on producing, can integratedly realize;
(3) photovoltaic system is built the aspect: the bridge of going on board can be reduced to a four sides body structure, and its upper surface and side do not have too much auxiliary device, thereby can be the installation solar panel area that can effectively utilize in a large number is provided.And other auxiliary device of photovoltaic generating system takes up space all lessly, can not produce very big influence to the structural strength and the spatial placement of the bridge of going on board;
The utility model content
The utility model purpose is intended to consider from the energy-saving and emission-reduction aspect that the using solar photovoltaic technology is the bridge solar energy photovoltaic direct current illuminator of going on board.
The technical scheme that the utility model adopts is:
A kind of bridge solar energy photovoltaic direct current illuminator of going on board, this system comprises solar photovoltaic battery component, boost chopper, battery, rectifier, control system, power switcher (conversion equipment) and DC power saving lamp; Wherein, solar photovoltaic battery component divides duplex feeding by lead through reverse current prevention circuit, and one the tunnel provides power supply through boost chopper, power switcher to the DC power saving lamp, the one tunnel through charging-discharging controller to storage battery power supply; The control system is set between boost chopper and charging-discharging controller, and this control system links to each other with output, the power switcher input of solar photovoltaic battery component respectively through data wire again; Power switcher links to each other with the 220V AC network through rectifier.
The described solar photovoltaic battery component of the utility model is selected the polycrystalline solar module of rated output power 75W for use, its open-circuit voltage 22V, short circuit current 4.7A, maximum power point output voltage 17.5V, maximum power point electric current 4.3A, appearance and size 1172 * 541 * 35mm.
The described solar photovoltaic battery component of the utility model is provided with the polylith solar panel; They adopt three layers of mounting means to be fixed on the bridge body structure of going on board; Wherein top layer is fixed; The intermediate layer becomes moveable structure with bottom-layer design, and the support column reinforced support is installed in four corners of every solar panel.
The arrangement of the described solar panel of the utility model is telescopic, adopts the telescoping mechanism of runner drag-line; The structure of this telescoping mechanism is made up of the runner that has the rotating motor, guide wheel and the runner that has a unidirectional rotation motor, and they are through the series connection of traction bands; The runner that wherein has unidirectional rotation motor has two; On their right-hand members through the movable respectively left end that is contained in the bottom solar panel of bearing pin, intermediate layer solar panel, guide wheel has two, and they are all fluted; And through bearing pin respectively activity be contained on the sidewall; The runner that has the rotating motor has one, and between two guide wheels, this runner is contained in the interlayer through the bearing pin activity.
In the utility model, battery is selected large-capacity battery for use, its operating voltage 12V, capacity 200Ah, referential weight 121kg, appearance and size 522 * 240 * 219mm.
In the utility model, charging-discharging controller is a WS-C4860 60A type Wei Ershi controller for solar.The operating voltage that it can intelligence regulates solar panel makes solar panels always work in maximum power point, improves the utilization rate to the solar panels generated output.It is characterized in that MCU (microprocessor controller) has PMW (modulation of pulse wideband) 0～100% variable duty ratio program.According to the actual conditions of battery types and charging, can quick, best charging voltage and electric current be provided from the PV panel.Possess overload protection, short-circuit protection, back discharge protection, protection to error-polarity connection, lightning protected, under-voltage protection, over-charge protective.
In the utility model, rectifier is selected inferior power AEC board R2450-48V/50A type rectifier for use.The heavy-duty rectifier of its rectifier high-frequency electronic cast rectifier cell, AC-input voltage 220V, VD 48V; Average anode current 50A; The reverse heavy burden crest voltage of peak forward voltage 275V 275V, reverse heavy burden peak point current 22mA, 0～50 ℃ of working junction temperature.
In the utility model, it is the low-voltage direct energy-saving lighting lamp of 3YQ that the DC power saving lamp is selected label for use.Its energy-saving lighting lamp rated voltage 48V, rated power 36W, lamp holder specification E27, shape spirality (2U, 3U, 4U type are optional), nature of glass lampshade pattern are spherical.Light fixture adopts the intelligent IC chip, its power error＜5%, can be under-40～70 ℃ of adverse circumstances operate as normal, operating voltage range wide (in 25～30% ranges of nominal tension), reliability is high, average life span is more than 12000 hours.
In the utility model, power switcher is mainly realized the handoff functionality between photovoltaic electricity and the civil power, through the power supply of control system conversion lighting load.
Originally the bridge solar energy photovoltaic direct current illuminator of going on board advantage:
Manufacturer production the time direct integrated photovoltaic illuminator on the bridge casing of going on board.
2. the control system maintenance management gets up simple relatively; Solar panel directly is installed on the bridge design and installation face of going on board; Whole system only disposes a large-capacity battery; Thereby keep away the overlapping investment of low capacity, also can alleviate battery damage to a certain extent or scrap the secondary pollution that is caused.
3. adopt the direct current light fixture need not adopt inverter, the direct current that solar-energy photo-voltaic cell and battery provided can directly be supplied with 48V low-voltage direct illuminating lamp and use.
4. the actual spreading area of solar panel of going on board on the bridge can be through adopting three layers of mounting means, and combine a kind of cell panel telescoping mechanism of being made up of rotating shaft and lead that its moving-member is controlled.
Description of drawings
Fig. 1 is the basic principle figure of bridge photovoltaic illuminator of going on board
Fig. 2 is the bridge photovoltaic illuminator simplified schematic diagram of going on board
Fig. 3 is the bridge solar energy photovoltaic direct current illuminator of going on board of using the DC power saving lamp
Fig. 4 is telescopic solar cell plate arrangement sketch
Fig. 5 is the partial enlarged drawing that Fig. 4 adopts the telescoping mechanism of runner drag-line
Among the figure: 1. solar photovoltaic battery component; 2. support column; 3. the bridge body structure of going on board; 4. the runner that has the rotating motor; 5. guide wheel; 6. traction bands; 7. the runner that has unidirectional rotation motor.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is further specified:
The bridge photovoltaic illuminator of going on board that the utility model provides; Its design principle is as shown in Figure 1: solar energy photovoltaic system converts radiation energy into electric energy; According to the electricity system demand of employing light fixture, through the control system direct current is converted into and to be used to go on board the dc source of bridge with electric loading.
Said solar energy photovoltaic system is a prior art, and its structure mainly is made up of solar module, boost chopper, charging-discharging controller etc.
Said control system is a prior art, and its structure mainly is made up of control circuit, power change-over switch (power switcher).
The bridge photovoltaic illuminator of going on board that the utility model is related is furnished with large-capacity battery and power change-over switch; It can realize following function: when radiation energy (sunshine) abundance; When the photovoltaic electric energy exceeds the illuminator power demand, then electric energy is stored into battery; Not enough or meet overcast and rainyly continuously when radiation energy, when the photovoltaic electric energy can not effectively satisfy the illuminator power demand, then power supply is switched to 220 Fu Shi nets.
One, the distributed bridge photovoltaic illuminator of going on board
The structure of this distributed bridge photovoltaic illuminator of going on board is as shown in Figure 2: it comprises photovoltaic lighting system and the autonomous control system thereof that is attached to the bridge of going on board, and the agent structure of the bridge of going on board does not change.The main implementation process of its function is: the lighting of the bridge of going on board is mainly supplied power by solar energy photovoltaic system, when solar energy photovoltaic system electric energy undersupply, voltage instability, is switched by the control system, changes and carries out supply of electric power by civil power.On the light fixture of the distributed in the present embodiment bridge photovoltaic lighting system of going on board and mode of operation are integrated, mainly based on the low-voltage direct lamp bridge lighting system of going on board.
Said photovoltaic lighting system is made up of power supply and light fixture.Said power supply is provided by solar photovoltaic battery component 1.
The structure of solar photovoltaic battery component 1 is as shown in Figure 4: be provided with the polylith solar panel, they adopt three layers of mounting means to be fixed on the bridge body structure 3 of going on board, and wherein top layer is fixed, and the intermediate layer becomes moveable structure with bottom-layer design.Support column 2 is installed in four corners of every solar panel, in order to the intensity of reinforced support.Arrow is represented direction of travel among the figure.
The arrangement of above-mentioned solar panel is telescopic solar battery array arrangement, can adopt the telescoping mechanism of runner drag-line to realize.The structure of this telescoping mechanism is as shown in Figure 5, is made up of the runner that has the rotating motor 4, guide wheel 5 and the runner 7 that has a unidirectional rotation motor, and they are through 6 series connection of traction bands.Wherein: the runner 7 that has unidirectional rotation motor has two, on their right-hand members through the movable respectively left end that is contained in the bottom solar panel of bearing pin, intermediate layer solar panel.Guide wheel 5 has two, and they are all fluted, and through bearing pin respectively activity be contained on the sidewall.The runner 4 that has the rotating motor has one, and between two guide wheels 5, this runner is contained in the interlayer through the bearing pin activity.
Two, lighting system
The structure of this dc lighting lamp system is as shown in Figure 3: it comprises solar photovoltaic battery component, boost chopper, battery, rectifier, control system, power switcher (conversion equipment) and DC power saving lamp.Wherein, solar photovoltaic battery component divides duplex feeding by lead through reverse current prevention circuit, and one the tunnel provides power supply through boost chopper, conversion equipment to the DC power saving lamp, the one tunnel through charging-discharging controller to storage battery power supply.The control system is set between boost chopper and charging-discharging controller, and this control system links to each other with output, the conversion equipment input of solar photovoltaic battery component respectively through data wire again.Conversion equipment links to each other with the 220V AC network through rectifier.
Described solar photovoltaic battery component, it mainly acts on and is to convert solar energy into electric energy, i.e. the rated output power 75W of monolithic element under standard environment.
Described boost chopper, it mainly acts on the voltage that is solar photovoltaic battery component output and promotes and be stabilized in direct current 48V.
Described rectifier, it mainly acts on and is that it is the 48V alternating current that the 220V AC rectification is netted in the city.
Described charging-discharging controller its role is to the electric energy that solar photovoltaic battery component transforms out is stored to battery.
Described conversion equipment is a power switcher, and it carries out break-make as switch between illuminator and different power supply source.
Described DC power saving lamp, it mainly acts on and is the electric power, converts luminous energy into and throws light on.
Above-mentioned parts all can be by buying on the market.
Described reverse current prevention circuit is a prior art, mainly is made up of current limliting diode and fuse.
The low-voltage direct lamp that present embodiment the provides bridge lighting system of going on board; Its operation principle is: charging-discharging controller carries out MPPT maximum power point tracking control to the output of solar battery array; Through boost chopper the photovoltaic electricity is stabilized in direct current 48V, and supplies with the dc lighting system use that rated operational voltage is 48V.Preferential adopt the electric power that photovoltaic system provided, if its power shortage, under the effect of control system, switch to by the alternating current 220V civil power through conversion equipment and to supply power.Wherein, need utilize rectifier to convert the civil power of alternating current 220V 50Hz into direct current 48V.
Low-voltage direct lamp described in the above embodiments bridge lighting system of going on board is a prior art, and wherein: the low-voltage direct lamp bridge lighting system of going on board is that the low-voltage direct energy-saving lighting lamp of 3YQ is formed by label.
The utility model provides following load analysis and photovoltaic system design and calculation method, so that realize the foregoing description better.
1. the load of lighting calculates:
Be configured to calculate reference with the bridge of generally going on board at present: adopting the rated power of light fixture is 36W, and 34 on every bridge was worked 10 hours every day:
Every bridge power consumption every day=36 * 34=1224W is pressed calculating in 1300W/ days.
Working every day and counted in 10 hours, set input voltage and get 48V, also is that the input terminal voltage of inverter and the output voltage of rectifier are 48V:
Power consumption=1300W * 10h=13000Wh
2. accumulator capacity is calculated:
Preferred large-capacity battery, its operating voltage 12V, capacity 200Ah:
Loading demand=13000Wh ÷ 48V=270.83Ah/ days;
It is 2 days that initial stage is assessed maximum self-supporting fate, and the battery maximum allows that depth of discharge is 80%:
Required accumulator capacity=(2 days * 270.83270.83Ah/ days) ÷ 80%=677.075Ah;
Series connection battery number=48V ÷ 12V=4;
4 of multiple-connected battery numbers=677.075Ah ÷ 200Ah=3.39 ≈;
Said battery number=4 string * 4 also=16.
3. solar module capacity and area calculate:
The polycrystalline solar module of preferred rated output power 75W, its open-circuit voltage 22V, short circuit current 4.7A, maximum power point output voltage 17.5V, maximum power point electric current 4.3A, appearance and size 1172 * 541 * 35mm.Estimation region solar radiation average strength is 3.5kWh, converts to be standard pyranometer environment 1000W, 25 ℃, and then its equivalence is 3.5h (peak value):
Single battery plate output=3.5h every day * 4.3A=15.05Ah;
Setting battery enclosed pasture efficient is 90%, and the solar-energy photo-voltaic cell output attenuatoin is 10%:
23 of solar cell serial number=270.83Ah ÷ (90% * 15.05Ah * 90%)=22.2 ≈;
3 of solar cell parallel connection numbers=48V ÷ 17V ≈;
Said cell panel number=23 string * 3 also=69;
Erection space=1.172 * 0.541 * 69=43.75m
2≈ 45m
2, equivalent approximately in the area sum at three bridge tops of going on board, so need to adopt the mode of expansion erection space.
4. mode of operation:
The three layer solar cell array mounting means that the utility model provides when illuminator is opened, are controlled the runner 7 that has unidirectional rotation motor through controller, with contractile two-layer solar cell plate development; When illuminator is closed or is gone on board the bridge displacement, control the runner 4 that has the rotating motor through controller, contractile two-layer solar panel is taken in.
The protection domain of the utility model is not limited to the above embodiments, and obviously, those skilled in the art can carry out various changes and distortion and not break away from the scope and the spirit of the utility model the utility model.If these changes and distortion belong in the scope of the utility model claim and equivalent technologies thereof, then the intention of the utility model also comprises these changes and is out of shape interior.
Claims (8)
1. the bridge solar energy photovoltaic direct current illuminator of going on board is characterized in that this system comprises solar photovoltaic battery component, boost chopper, battery, rectifier, control system, power switcher and DC power saving lamp; Wherein, solar photovoltaic battery component divides duplex feeding by lead through reverse current prevention circuit, and one the tunnel provides power supply through boost chopper, power switcher to the DC power saving lamp, the one tunnel through charging-discharging controller to storage battery power supply; The control system is set between boost chopper and charging-discharging controller, and this control system links to each other with output, the power switcher input of solar photovoltaic battery component respectively through data wire again; Power switcher links to each other with the 220V AC network through rectifier.
2. the bridge solar energy photovoltaic direct current illuminator of going on board as claimed in claim 1; It is characterized in that; Described solar photovoltaic battery component is selected the polycrystalline solar module of rated output power 75W for use, its open-circuit voltage 22V, short circuit current 4.7A, maximum power point output voltage 17.5V, maximum power point electric current 4.3A, appearance and size 1172 * 541 * 35mm.
3. the bridge solar energy photovoltaic direct current illuminator of going on board as claimed in claim 1; It is characterized in that; Described solar photovoltaic battery component (1) is provided with the polylith solar panel, and they adopt three layers of mounting means to be fixed on the bridge body structure (3) of going on board, and wherein top layer is fixed; The intermediate layer becomes moveable structure with bottom-layer design, and support column (2) reinforced support is installed in four corners of every solar panel.
4. the bridge solar energy photovoltaic direct current illuminator of going on board as claimed in claim 3 is characterized in that the arrangement of described solar panel is telescopic, adopts the telescoping mechanism of runner drag-line; The structure of this telescoping mechanism is made up of the runner that has the rotating motor (4), guide wheel (5) and the runner (7) that has a unidirectional rotation motor, and they are through traction bands (6) series connection; The runner (7) that wherein has unidirectional rotation motor has two; On their right-hand members through the movable respectively left end that is contained in the bottom solar panel of bearing pin, intermediate layer solar panel, guide wheel (5) has two, and they are all fluted; And through bearing pin respectively activity be contained on the sidewall; The runner (4) that has the rotating motor has one, is positioned between two guide wheels (5), and this runner is contained in the interlayer through the bearing pin activity.
5. the bridge solar energy photovoltaic direct current illuminator of going on board as claimed in claim 1 is characterized in that described battery is selected large-capacity battery for use, its operating voltage 12V, capacity 200Ah, referential weight 121kg, appearance and size 522 * 240 * 219mm.
6. the bridge solar energy photovoltaic direct current illuminator of going on board as claimed in claim 1 is characterized in that, described charging-discharging controller is a WS-C4860 60A type Wei Ershi controller for solar.
7. the bridge solar energy photovoltaic direct current illuminator of going on board as claimed in claim 1 is characterized in that, described rectifier is selected inferior power AEC board R2450-48V/50A type rectifier for use.
8. the bridge solar energy photovoltaic direct current illuminator of going on board as claimed in claim 1 is characterized in that, it is the low-voltage direct energy-saving lighting lamp of 3YQ that described DC power saving lamp is selected label for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201892775U CN202182408U (en) | 2011-06-07 | 2011-06-07 | Solar photovoltaic DC (direct-current) lighting system for boarding bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201892775U CN202182408U (en) | 2011-06-07 | 2011-06-07 | Solar photovoltaic DC (direct-current) lighting system for boarding bridge |
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| CN202182408U true CN202182408U (en) | 2012-04-04 |
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| CN2011201892775U Expired - Fee Related CN202182408U (en) | 2011-06-07 | 2011-06-07 | Solar photovoltaic DC (direct-current) lighting system for boarding bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312224A (en) * | 2013-06-17 | 2013-09-18 | 江苏大学 | Solar photovoltaic power generation system circuit and capacity design method thereof |
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2011
- 2011-06-07 CN CN2011201892775U patent/CN202182408U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312224A (en) * | 2013-06-17 | 2013-09-18 | 江苏大学 | Solar photovoltaic power generation system circuit and capacity design method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120404 Termination date: 20130607 |