CN201349185Y - Self-regulated building generating system utilizing solar energy - Google Patents
Self-regulated building generating system utilizing solar energy Download PDFInfo
- Publication number
- CN201349185Y CN201349185Y CNU2008201568943U CN200820156894U CN201349185Y CN 201349185 Y CN201349185 Y CN 201349185Y CN U2008201568943 U CNU2008201568943 U CN U2008201568943U CN 200820156894 U CN200820156894 U CN 200820156894U CN 201349185 Y CN201349185 Y CN 201349185Y
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- photovoltaic
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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
- Y02B10/10—Photovoltaic [PV]
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a self-regulated building generating system utilizing solar energy. The generating system comprises a photovoltaic module, a DC/DC convertor, an energy-storing storage battery, a DC/AC convertor, an output transformer, an interlocked contact set, a generation and power supply control system and an external power supply line; wherein the photovoltaic generating module is connected with the input ends of the DC/DC convertor; the DC/DC convertor is controlled by the generation and power supply control system through a DC/DC controller 1 to convert the electric energy generated by a photovoltaic generating panel into direct current, both the output current and output voltage of which can be regulated and which has stable characteristics; the outputs of the DC/DC convertor are respectively connected with the input ends of the storage battery and the DC/AC convertor or a photovoltaic inverter; the output ends of the DC/AC convertor or the photovoltaic inverter are connected with the input ends of the single-input, multi-tap output transformer; and the output ends of the single-input, multi-tap output transformer are connected with the input ends of the interlocked contact set.
Description
Technical field
The utility model relates to a kind of building generating system, and particularly a kind of solar energy self-adjusting electricity generation system of utilizing belongs to technical field of new energies.
Background technology
As a kind of cleanliness without any pollution energy, the utilization of solar energy more and more comes into one's own, and since the eighties, developed country such as Europe, the U.S. and Japan and domestic priority have been developed solar power supply system and solar illuminating system.At present, mainly concentrate on solar heating and heat accumulation aspect at the solar energy utilization of building, this kind solar energy utilizes the mode energy utilization efficiency lower, and needs a large amount of heat-storage mediums that energy is stored, and is unfavorable for the conversion of energy and effectively utilization.And, mainly concentrate on power supply at present to secondary power system directly at the solar photovoltaic generation system of building, as small-power occasions such as public illumination signs.Because solar photovoltaic cell panel is subject to external environment influence, its generating power output is along with the variation power output of illumination changes also greatly, power shortage or power surplus often appear, influence the operate as normal of building electricity consumption electrical equipment, this makes the photovoltaic solar electricity generation system bring difficulty to architectural power supply.
Summary of the invention
The purpose of this utility model provides a kind of solar energy self-adjusting electricity generation system of utilizing, this electricity generation system, branch feeding is carried out in the building load of determining, with photovoltaic power supply is preferential, under the situation of photovoltaic energy deficiency by control system to the action (switching) of contactor group control, by external electrical network to the building interior electric.
For achieving the above object, the technical solution of the utility model is: this electricity generation system comprises solar energy photovoltaic power generation module (1), DC/DC converter (2), energy storage battery (3), DC/AC converter or photovoltaic DC-to-AC converter (4), single input many taps output transformer (5), interlocking contactor group (6), generating and electric power supply control system (7), externally fed circuit (8), controller 1, controller 2, controller 3, BMS controller.
In the described building generating system, be the output characteristic galvanic current by the DC/DC module converts preferentially with the generating of photovoltaic generation plate, this moment generating is controlled DC/DC controller 1 with electric power supply control system to the power demand of photovoltaic generating module according to the power and the generating of photovoltaic generating module output with electric power supply control system, the output voltage of given DC/DC converter is realized the control to DC/DC converter output current and voltage.BMS (battery management system) detects accumulator electric-quantity (SOC), and determines to charge a battery or discharge according to the control command of generating with electric power supply control system.
Described building generating system is exported by multichannel, powers to the user by interlocking contactor group (6) respectively.Generating and electric power supply control system according to the energy output of photovoltaic module (with shine upon relevant) size and accumulator electric-quantity, determine the transformer tapping way of powering to the user.By generating and the control of electric power supply control system (7), determine whether the load of power supply in the building powers by the photovoltaic system power supply or by external electric circuit (8) to interlocking contactor group (6).
Described DC/DC converter (2) has adjustable current output and adjustable voltage output function, and the control command of output current or output voltage is given and control by generating and electric power supply control system (7).DC/DC converter (2) Adjustable Output Voltage, instruction be given and control by generating and electric power supply control system (7).To the control of DC/DC converter (2), have two functions, the one, constant voltage output when accumulator electric-quantity is expired is actually directly by the DC/AC powering load; The 2nd, constant current output under different illumination conditions, by the optimizing of generating with electric power supply control system (7), is determined the best generating efficiency Control Parameter of photovoltaic module, decision DC/DC converter output current.
The beneficial effects of the utility model:, realize the maximal efficiency work of photovoltaic solar generating by the adjustable transformer tap of control photovoltaic battery panel by the energy output of detection photovoltaic battery panel and the electric weight of power output and storage battery; When the power output of photovoltaic battery panel is not enough, by handover operation, realize supplying power to the conversion of mains supply by photovoltaic generation to the contactor group, improved the reliability of system.
Below in conjunction with drawings and Examples to the utility model detailed explanation of making comparisons.
Description of drawings
Fig. 1 is solar power generation building system figure of the present utility model;
Fig. 2 is the DC/DC converter and the control system thereof of solar power system of the present utility model;
Fig. 3 is the storage battery and the management system thereof of solar power system of the present utility model;
Fig. 4 is the DC/AC converter and the control system thereof of solar power system of the present utility model;
Fig. 5 is the generating and the charge control system block diagram of solar power system of the present utility model;
Embodiment
With reference to Fig. 1, this is the utility model solar power generation building system figure.
As shown in the figure, described photovoltaic generating module (1) is connected with the input of DC/DC converter (2), the DC/DC converter is controlled by DC/DC controller 1 by generating and electric power supply control system (7), and the photovoltaic generation plate is generated electricity can be converted to the direct current of the equal scalable of output current voltage, stability of characteristics.The output of DC/DC converter is connected with the input of storage battery (3) and DC/AC converter (or photovoltaic DC-to-AC converter) (4) respectively.On the one hand, provide electric energy to charge a battery, this charging process is managed by BMS (battery management system) by generating and electric power supply control system (7); On the other hand, dc inverter can be regulated for output, frequency is the alternating current of power frequency, and this DC/AC converter (or photovoltaic DC-to-AC converter) (4) also is to be regulated and control by DC/AC controller 2 by generating and electric power supply control system (7).The output of DC/AC converter (or photovoltaic DC-to-AC converter) (4) is connected with the input of single input many taps output transformer (5); And the output of single input many taps output transformer (5) is connected with the input of interlocking contactor group (6), and the output tap number of this single input many taps output transformer (5) and interlocking contactor group (6) are by generating and electric power supply control system (7) control.
With reference to Fig. 2, be the DC/DC converter of solar power system of the present utility model.
As shown in the figure, the DC/DC controller is taked full-bridge or semi-bridge alternation circuit, in native system, DC/DC transform controller 1 being opened and turn-offing by switch in the control DC/DC circuit, to carry out obtaining direct voltage in rectification after the transformation through transformer after the direct voltage inversion, promptly photovoltaic solar cell do generate electricity and be converted to the direct current that output voltage can be regulated.DC/DC transform controller 1 control with electric power supply control system that is subjected to generating electricity.When battery capacity expired, the DC/DC converter was operated in the constant voltage output mode, stopped the accumulators power supply, directly the DC/AC converter of electric energy by the rear end was sent to and used electric loading; Another kind of pattern is that generating is carried out optimizing with electric power supply control system according to the variation of the power output of the different photovoltaic cells that cause of illumination condition, determine the best generating efficiency Control Parameter of photovoltaic module, decision DC/DC converter output current, this moment, the DC/DC module was operated in the constant current output mode.
With reference to Fig. 3, be the storage battery and the management system thereof of solar power system of the present utility model.Wherein the BMS battery management system is by being connected the voltage of voltage sensor (such as Hall element) the detection storage battery on the storage battery, discharge characteristic curve according to the storage battery of storing in advance in the BMS system, get the SOC value of storage battery up till now, can obtain the electric weight of battery.Simultaneously, the current sensor (such as Hall element) of BMS by battery-end obtains the charge/discharge current of battery, and current information is fed back to generating and electric power supply control system.Generating and the state of electric power supply control system according to the given battery SOC of BMS, charging and discharging currents, and the power supply strategy that determines storage battery with the generated output of electrical load power and photovoltaic cell, and control the VD of DC/DC converter by the given input of regulating the DC/DC controller, to realize charging control to battery.
With reference to Fig. 4, be the DC/AC converter and the control system thereof of solar power system of the present utility model.
As shown in the figure, inverter controller 2 changes front end DC/DC and storage battery output DC into industrial-frequency alternating current by the closure and the shutoff of the switching device of control inverter bridge, offers single many taps of input output transformer of rear end.Single many taps of input input transformer is transformed into the alternating current of city's electrical specification to supply with the user with the input AC electricity of DC/AC converter (photovoltaic DC-to-AC converter).Because solar photovoltaic generation system is subjected to the influence of solar irradiation bigger, the variation of its output voltage and power and fluctuation range are very big, have increased the input of energy-accumulating element (as inductance) of front end converter and the conversion efficiency of bringing lowly reaches unfavorable conditions such as controlling complexity if directly directly supply with user one to DC/AC again by DC/DC.Can solve the problem of front by introducing single many taps of input input transformer simply.
With reference to Fig. 5, be the generating and the charge control system block diagram of solar power system of the present utility model.
As shown in the figure, generating and electric power supply control system are connected with each sub-controller (controller 1, controller 2, controller 3, BMS) in the system by communication bus (comprise CAN, 485 etc.) with power-generating control system by charging, accept the detection information of each controller to its subsystem, and provide the control command of each controller by control rate, reach and realize the control purpose of total system.Wherein the controller of interlocking contactor group is a controller 3, it is by generating and charging system control, concrete work is by acceptance generating and charging system instruction, according to instruction building electricity consumption load contactor is connected with electrical network or solar power system respectively, thus the function that the realization electric energy switches.
Though the utility model is described with reference to the above embodiments; but those of ordinary skill in the art; will be appreciated that above embodiment is used for illustrating the utility model; should understand and wherein can make variations and modifications and do not break away from the utility model in a broad sense; so be not that conduct is to qualification of the present utility model; as long as in connotation scope of the present utility model, to the variation of above-described embodiment, the protection range that distortion all will fall into the utility model claim.
Claims (4)
1, a kind of solar energy self-adjusting building generating system that utilizes is characterized in that: comprise solar energy photovoltaic power generation module (1), DC/DC converter (2), energy storage battery (3), DC/AC converter or photovoltaic DC-to-AC converter (4), output transformer (5), interlocking contactor group (6), generating and electric power supply control system (7), externally fed circuit (8);
Solar energy photovoltaic power generation module (1) is connected with the input of DC/DC converter (2), the DC/DC converter is controlled by DC/DC controller 1 by generating and electric power supply control system (7), and the photovoltaic generation plate is generated electricity can be converted to the direct current of the equal scalable of output current voltage, stability of characteristics; The output of DC/DC converter is connected with the input of storage battery (3) and DC/AC converter or photovoltaic DC-to-AC converter (4) respectively; The output of DC/AC converter or photovoltaic DC-to-AC converter (4) is connected with the input of single input many taps output transformer (5); And the output of single input many taps output transformer (5) is connected with the input of interlocking contactor group (6).
2, self-adjusting building generating system as claimed in claim 1 is characterized in that: described system branch feeding, by photovoltaic power supply, when photovoltaic energy is not enough, by the action switching controls of contactor group, by external electrical network to the building interior electric.
3, self-adjusting building generating system as claimed in claim 1, it is characterized in that: described DC/DC controller, take full-bridge or semibridge system translation circuit,, realize that direct voltage carries out the step-up/down conversion by the opening and turn-offing of switch in the control DC/DC circuit.
4, self-adjusting building generating system as claimed in claim 1, it is characterized in that: described generating and electric power supply control system, be connected with controller 1, controller 2, controller 3, BMS by communication bus, accept the detection information of each controller, and provide the control command of each controller by control rate its subsystem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201568943U CN201349185Y (en) | 2008-12-10 | 2008-12-10 | Self-regulated building generating system utilizing solar energy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201568943U CN201349185Y (en) | 2008-12-10 | 2008-12-10 | Self-regulated building generating system utilizing solar energy |
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| CN201349185Y true CN201349185Y (en) | 2009-11-18 |
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| CNU2008201568943U Expired - Fee Related CN201349185Y (en) | 2008-12-10 | 2008-12-10 | Self-regulated building generating system utilizing solar energy |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170150A (en) * | 2010-02-26 | 2011-08-31 | 三洋电机株式会社 | Power storage system |
| CN102384517A (en) * | 2010-08-31 | 2012-03-21 | 江苏贝尔装饰材料有限公司 | Solar photovoltaic heating device and heating system adopting same |
| CN102437595A (en) * | 2011-08-25 | 2012-05-02 | 江苏中靖新能源科技有限公司 | Hydrogen energy power generation system based on SBMS (smart battery monitoring system) |
| CN102630361A (en) * | 2009-11-25 | 2012-08-08 | 夏普株式会社 | Power conversion apparatus, power generating system, and charge/discharge control method |
| CN102843060A (en) * | 2012-09-11 | 2012-12-26 | 中船重工鹏力（南京）新能源科技有限公司 | Two-level two-direction current transformer and control method thereof |
| CN102868208A (en) * | 2012-09-25 | 2013-01-09 | 广东易事特电源股份有限公司 | Solar inverter, cell management system and solar power supply system |
| CN103208937A (en) * | 2013-03-19 | 2013-07-17 | 广东工业大学 | Single-phase photovoltaic grid-connected inverter |
| CN103726805A (en) * | 2012-10-14 | 2014-04-16 | 盐城华跃石油机械制造有限公司 | Remote intelligent control constant-pressure air release device for sun-generated electric power |
| CN106953584A (en) * | 2017-03-31 | 2017-07-14 | 北京北交新能科技有限公司 | A kind of track traffic solar energy storage system |
| CN108390428A (en) * | 2015-06-01 | 2018-08-10 | 广东欧珀移动通信有限公司 | Charging circuit and mobile terminal |
| CN108777490A (en) * | 2018-08-22 | 2018-11-09 | 桐庐峰云科技有限公司 | With the grid-connected photovoltaic AC voltage regulator of photovoltaic electric active complementary energy |
| CN114784942A (en) * | 2022-05-06 | 2022-07-22 | 湖南城市学院 | Power self-matching efficient intelligent photovoltaic charging control algorithm and system |
| CN115614803A (en) * | 2022-10-09 | 2023-01-17 | 清华大学 | Off-grid photovoltaic direct-drive heating system based on wall heat storage and method thereof |
-
2008
- 2008-12-10 CN CNU2008201568943U patent/CN201349185Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102630361A (en) * | 2009-11-25 | 2012-08-08 | 夏普株式会社 | Power conversion apparatus, power generating system, and charge/discharge control method |
| US9030168B2 (en) | 2009-11-25 | 2015-05-12 | Sharp Kabushiki Kaisha | Power conversion device, power generation system and charge and discharge control method |
| CN102170150B (en) * | 2010-02-26 | 2013-11-06 | 三洋电机株式会社 | Power storage system |
| CN102170150A (en) * | 2010-02-26 | 2011-08-31 | 三洋电机株式会社 | Power storage system |
| CN102384517A (en) * | 2010-08-31 | 2012-03-21 | 江苏贝尔装饰材料有限公司 | Solar photovoltaic heating device and heating system adopting same |
| CN102437595A (en) * | 2011-08-25 | 2012-05-02 | 江苏中靖新能源科技有限公司 | Hydrogen energy power generation system based on SBMS (smart battery monitoring system) |
| CN102843060A (en) * | 2012-09-11 | 2012-12-26 | 中船重工鹏力（南京）新能源科技有限公司 | Two-level two-direction current transformer and control method thereof |
| CN102843060B (en) * | 2012-09-11 | 2015-04-08 | 中船重工鹏力（南京）新能源科技有限公司 | Two-level two-direction current transformer and control method thereof |
| CN102868208B (en) * | 2012-09-25 | 2015-04-08 | 广东易事特电源股份有限公司 | Solar inverter, cell management system and solar power supply system |
| CN102868208A (en) * | 2012-09-25 | 2013-01-09 | 广东易事特电源股份有限公司 | Solar inverter, cell management system and solar power supply system |
| CN103726805A (en) * | 2012-10-14 | 2014-04-16 | 盐城华跃石油机械制造有限公司 | Remote intelligent control constant-pressure air release device for sun-generated electric power |
| CN103726805B (en) * | 2012-10-14 | 2017-12-12 | 江苏华跃石油机械制造有限公司 | A kind of sun-generated electric power long-distance intelligent control level pressure air-bleed device |
| CN103208937A (en) * | 2013-03-19 | 2013-07-17 | 广东工业大学 | Single-phase photovoltaic grid-connected inverter |
| CN108390428A (en) * | 2015-06-01 | 2018-08-10 | 广东欧珀移动通信有限公司 | Charging circuit and mobile terminal |
| CN108390428B (en) * | 2015-06-01 | 2021-09-14 | Oppo广东移动通信有限公司 | Charging circuit and mobile terminal |
| CN106953584A (en) * | 2017-03-31 | 2017-07-14 | 北京北交新能科技有限公司 | A kind of track traffic solar energy storage system |
| CN108777490A (en) * | 2018-08-22 | 2018-11-09 | 桐庐峰云科技有限公司 | With the grid-connected photovoltaic AC voltage regulator of photovoltaic electric active complementary energy |
| CN114784942A (en) * | 2022-05-06 | 2022-07-22 | 湖南城市学院 | Power self-matching efficient intelligent photovoltaic charging control algorithm and system |
| CN115614803A (en) * | 2022-10-09 | 2023-01-17 | 清华大学 | Off-grid photovoltaic direct-drive heating system based on wall heat storage and method thereof |
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Legal Events
| 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: 20091118 Termination date: 20121210 |