CN202373985U - Solar conflux case self-power apparatus - Google Patents
Solar conflux case self-power apparatus Download PDFInfo
- Publication number
- CN202373985U CN202373985U CN2011203356039U CN201120335603U CN202373985U CN 202373985 U CN202373985 U CN 202373985U CN 2011203356039 U CN2011203356039 U CN 2011203356039U CN 201120335603 U CN201120335603 U CN 201120335603U CN 202373985 U CN202373985 U CN 202373985U
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- solar
- power supply
- header box
- voltage
- control circuit
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Abstract
The utility model provides a solar conflux case self-power apparatus. The solar conflux case self-power apparatus comprises a control circuit and a battery set, wherein the control circuit comprises a filter, an inversion unit and a transformation voltage-adjusting unit. The apparatus of the utility model helps to provide a convenient and effective solution for power supply of conflux cases, and allows the cost of wiring for connection of an external power supply to be avoided.
Description
Technical field
The utility model relates to the solar energy generation technology field, relates to a kind of solar energy header box self-power supply device especially.
Background technology
Along with in the global range to the utilization more and more widely of this renewable and clean energy resource of solar power generation, solar energy generation technology is more and more ripe, various forms of solar power plants, power plant constantly are established.The workflow of present solar power station, power plant is that solar panel sends direct current, these direct currents is carried out inversion convert alternating current into, is transported on the electrical network again after then boosting through pressure regulation or directly supply user use.
Because the electric weight that sends of each solar panel is limited, has only 200W to about the 300W.And the capacity of a large-scale solar power plant can reach 50MW even bigger.Calculate with this, need about 200,000 cell panels, it will be a huge and expensive thing that these 200,000 direct currents that cell panel sent are carried out the inversion processing respectively, and the Typical solutions that adopts at present is as shown in Figure 1.
A plurality of solar panels 104 are formed a photovoltaic arrays 100, and all direct currents that cell panel sent are delivered in the header box 101 in this square formation; The case 101 that converges gathers the electric current of all inputs with Cheng Yilu and exports; The electric current that a plurality of header boxs 101 gather output is unified again to be delivered in the inverter 102, converts alternating current into, is incorporated into the power networks then the processing through pressure regulation booster stations 103 after or directly supplies with user's use.
Wherein to accomplish parameters such as electric current to input and output, voltage in each header box and gather and send, and the monitor tasks such as operating state of keeping watch on components and parts such as circuit breaker, isolating switch.Accomplish these monitor task requirements and a reliable and stable power supply is provided the header box internal control circuit.Traditional solution is from external electrical network introducing AC power, carries out the processing interior uses of supply header box later on such as rectification.But when this method is applied to large-scale solar power plant/power plant, just new problem can appear.
Even because adopt structure shown in Figure 1, still inevitably need to use a large amount of header boxs 101, even maybe be up to tens thousand of.The area of its distribution will reach 1 square kilometre even wider.Give the power supply of the supervising device in the header box if adopt the power supply of traditional outer use external electrical network; At first the task of connecting up will be an expensive process of huge two people; Secondly; Because distance is relatively far away, the pressure drop in the power delivery process has directly influenced the quality of power supply, is difficult to guarantee header box internal control device normal and stable operation.
In sum, there is certain problem in the solution of traditional header box internal power supply control circuit.
The utility model content
The utility model technical problem to be solved be in solar power plant/power station for the header box internal control circuit provides under the situation of electric energy, have problems such as difficult wiring, voltage loss be big.
The utility model provides a kind of solar energy header box self-power supply device in order to solve the problems of the technologies described above; It is characterized in that; Comprise, filter, inversion unit, voltage varying-regulating unit and rechargeable battery set, said filter links to each other with solar panel; Said voltage varying-regulating unit links to each other with filter through inversion unit, and the voltage varying-regulating unit links to each other with said rechargeable battery set.
The output electric energy is told a part after gathering from each cell panel; Input to self-power supply device; At first import electric energy and carry out the operation of filtering, inversion and voltage varying-regulating through the filter in the control circuit, inversion unit and voltage varying-regulating unit successively; Also can carry out rectification output where necessary, to supply with the use of inner each equipment of header box.In addition, also comprise battery pack in the solar energy header box self-power supply device, it can carry out the operation of auto charge and discharge, and when the electric energy output that causes cell panel because of a variety of causes can not be satisfied user demand, battery pack can be header box supply electric energy.
Like this, the needed electric energy of header box comes from the electric energy that electric energy that cell panel sends and solar energy header box self-power supply device internal battery group are provided.
In addition, control circuit can judge whether that needs give batteries charging or make battery power discharge according to the voltage of battery pack or output current value, can also change voltage, the electric current output of combination to reach various grades of the middle cell of battery pack simultaneously.Specifically, control circuit can detect the voltage of internal battery group, when its voltage is lower than certain value, battery pack is charged, and the output voltage of assurance battery pack within the specific limits.
In addition; When voltage that inputs to the header box electric energy or current value generation fluctuation; Control circuit can be controlled and adjust voltage, the electric current output of solar energy header box self-power supply device automatically, thereby the AC and DC power supply of the various electric pressures that can freely adjust can be provided.
Compared with prior art, the utlity model has following advantage:
A, realize the self-powered of header box internal control circuit, saved the wiring installation of using the external electrical network power supply to be produced.
B, the stability and the reliability of header box internal control power supply have been guaranteed.
C, header box self-power supply device output voltage grade and voltage type are adjustable, can satisfy the demand of various header box.
D, because what use is the electricity that solar panel self sends, clean environment firendly more.
Description of drawings
Fig. 1 is the sketch map of the generating workflow of solar power station or power plant.
Fig. 2 is the sketch map of the solar energy header box self-power supply device of the utility model.
Embodiment
With reference to Fig. 2, the utility model provides a kind of solar energy header box self-power supply device, and it comprises: control circuit 2, wherein control circuit 2 comprises filter 3, inversion unit 4 and voltage varying-regulating unit 5.
The output electric energy is told a part after gathering from each cell panel; Input to self-power supply device; At first import electric energy and carry out the operation of filtering, inversion and voltage varying-regulating through the filter in the control circuit 23, inversion unit 4 and voltage varying-regulating unit 5 successively; Also can carry out rectification output where necessary, to supply with the use of inner each equipment of header box.In addition, also comprise battery pack 1 in the solar energy header box self-power supply device, it can carry out the operation of auto charge and discharge, and when the electric energy output that causes cell panel because of a variety of causes can not be satisfied user demand, battery pack 1 can be header box supply electric energy.
Like this, the needed electric energy of header box comes from the electric energy that electric energy that cell panel sends and solar energy header box self-power supply device internal battery group 1 are provided.
In addition, control circuit 2 can judge whether that needs give battery pack 1 charging or make battery power discharge according to the voltage of battery pack 1 or output current value, can also change voltage, the electric current output of combination to reach various grades of the middle cell of battery pack 2 simultaneously.Specifically, control circuit 2 can detect the voltage of internal battery group 1, when its voltage is lower than certain value, battery pack is charged, and the output voltage of assurance battery pack within the specific limits.
In addition; When voltage that inputs to the header box electric energy or current value generation fluctuation; Control circuit 2 can be controlled and adjust voltage, the electric current output of solar energy header box self-power supply device automatically, thereby the AC and DC power supply of the various electric pressures that can freely adjust can be provided.
The course of work of the self-power supply device of the utility model is following:
When A, daylight abundance, the electric current of solar panel output is bigger.The header box self-power supply device is told a part from the electric energy of cell panel input, and carries out the operation of filtering, inversion and voltage varying-regulating through control circuit 2, can carry out rectification output in case of necessity, and header box is inner to be used to supply with.In addition, when the voltage of battery pack 1 was lower than certain value, the electric energy of cell panel input can be used for charging to battery pack 1.
B, when night or cloudy illumination not enough; It is not enough to cause the solar panel energy output to reduce; And when being difficult to keep the work of header box internal control circuit 2, the header box self-power supply device can switch to battery pack 1 with the power supply supplying mode, to guarantee that inner each equipment of header box can operate as normal.
C, header box self-power supply device can be adjusted the size and the type of output voltage according to user's demand, satisfy the supplied by AC/DC electricity of various electric pressures.
Claims (1)
1. solar energy header box self-power supply device; It is characterized in that; Comprise, filter, inversion unit, voltage varying-regulating unit and rechargeable battery set, said filter links to each other with solar panel; Said voltage varying-regulating unit links to each other with filter through inversion unit, and the voltage varying-regulating unit links to each other with said rechargeable battery set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203356039U CN202373985U (en) | 2011-09-08 | 2011-09-08 | Solar conflux case self-power apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203356039U CN202373985U (en) | 2011-09-08 | 2011-09-08 | Solar conflux case self-power apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202373985U true CN202373985U (en) | 2012-08-08 |
Family
ID=46597676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203356039U Expired - Fee Related CN202373985U (en) | 2011-09-08 | 2011-09-08 | Solar conflux case self-power apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202373985U (en) |
-
2011
- 2011-09-08 CN CN2011203356039U patent/CN202373985U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: ZHANG FAYU Effective date: 20140625 Owner name: SUZHOU CHANGFENG AUTOMATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HUANG LIGANG Effective date: 20140625 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140625 Address after: 215000, Suzhou Industrial Park, Jiangsu Province, No. 33, Shun Road Patentee after: Suzhou Changfeng Automation Technology Co., Ltd. Address before: Canglang District, Suzhou City 215000 boat Fang Xiang Jiangsu Province Building 1 room 101 Patentee before: Huang Ligang Patentee before: Zhang Fayu |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20180908 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |