CN104242431A - Solar photovoltaic direct-current control system - Google Patents
Solar photovoltaic direct-current control system Download PDFInfo
- Publication number
- CN104242431A CN104242431A CN201410450220.4A CN201410450220A CN104242431A CN 104242431 A CN104242431 A CN 104242431A CN 201410450220 A CN201410450220 A CN 201410450220A CN 104242431 A CN104242431 A CN 104242431A
- Authority
- CN
- China
- Prior art keywords
- circuit
- controller
- current
- control system
- storage battery
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a solar photovoltaic direct-current control system. The solar photovoltaic direct-current control system comprises a controller, a front-arranged protection circuit, a filtering energy storage circuit, a photovoltaic panel current-voltage sampling circuit, a power adjustment tube, a storage battery current-voltage sampling circuit, a touch screen circuit and a back-arranged protection circuit. The front-arranged protection circuit is connected with a solar photovoltaic panel, the filtering energy storage circuit is arranged at the output end of the front-arranged protection circuit, the front-arranged protection circuit is connected with the controller through the photovoltaic panel current-voltage sampling circuit and further respectively connected with a storage battery and the back-arranged protection circuit through the power adjustment tube, the storage battery is connected with the controller through the storage battery current-voltage sampling circuit, the controller is connected with the touch screen circuit, and an isolating circuit is arranged at the output end of the back-arranged protection circuit and externally connected with a load. By means of the solar photovoltaic direct-current control system, the current and the voltage of the photovoltaic panel and the current and the voltage of the storage battery are collected, charging of the storage battery is reasonably controlled, and the charging efficiency is improved; in addition, the touch screen circuit is arranged, and therefore a user can conveniently observe the present charging state.
Description
Technical field
The present invention relates to a kind of solar energy photovoltaic direct current control system, belong to solar energy generation technology field.
Background technology
World today's energy shortage and problem of environmental pollution are day by day serious, and these problems force people to find and use the new replacement energy.Along with the raising of electronic technology, solar panel production technology, make the utilization of solar energy more and more general.Solar energy has the feature without region restriction, and a lot of place of China is still in power shortage state, particularly some outlying districts, tourist attraction, owing to disperseing very much, dependence mains supply difficulty is large, cost is high, thus select solar powered very necessary, and in solar power system, controller is one of very crucial parts.
At present; controller for solar on the market; the means of raising the efficiency only are confined to single one physical quantity algorithm research (tracking such as only to voltage, electric current); the raising of efficiency is very limited; find that the product that generating efficiency is higher is often expensive; and bad adaptability; general all for stationary applica-tions; as large-sized solar power station etc.; the controller of some low price is in order to reduce costs; internal protection measure is simple and crude, and operation interface generally all adopts charactron, LED etc., and user operation and setting bother all very much.
Summary of the invention
The existing controller for solar Problems existing of technical problem solved by the invention.Solar energy photovoltaic direct current control system of the present invention, can gather the current/voltage of photovoltaic panel current/voltage, storage battery, the charging of conservative control storage battery, improve charge efficiency, and be provided with touch screen circuitry, facilitate user to observe present charge state, easy to use, have a good application prospect.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of solar energy photovoltaic direct current control system, it is characterized in that: comprise controller, preposition protective circuit, filtering accumulator, photovoltaic panel current-voltage sampling circuit, power Correctional tube, battery current voltage sampling circuit, touch screen circuitry and rearmounted protective circuit, the described input of preposition protective circuit is connected with the electric energy output end of solar energy photovoltaic panel, the output of described preposition protective circuit is provided with filtering accumulator, and be connected with controller by photovoltaic panel current-voltage sampling circuit, described preposition protective circuit also by power Correctional tube respectively with storage battery, rearmounted protective circuit is connected, described storage battery is connected with controller by battery current voltage sampling circuit, described controller is connected with touch screen circuitry, the output of described rearmounted protective circuit is provided with buffer circuit, described buffer circuit external load.
Aforesaid a kind of solar energy photovoltaic direct current control system, is characterized in that: described power Correctional tube is cmos fet pipe, and resistance to current value is 80A.
Aforesaid a kind of solar energy photovoltaic direct current control system, is characterized in that: described controller is also connected with battery capacity indication lamp, watchdog circuit.
Aforesaid a kind of solar energy photovoltaic direct current control system, is characterized in that: be provided with electromagnetically operated valve between described preposition protective circuit and power Correctional tube, described electromagnetically operated valve is connected with controller.
The invention has the beneficial effects as follows: solar energy photovoltaic direct current control system of the present invention, the current/voltage of photovoltaic panel current/voltage, storage battery can be gathered, the charging of conservative control storage battery, improve charge efficiency, and be provided with touch screen circuitry, user is facilitated to observe present charge state, easy to use, have a good application prospect.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of solar energy photovoltaic direct current control system of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, a kind of solar energy photovoltaic direct current control system, it is characterized in that: comprise controller, preposition protective circuit, filtering accumulator, photovoltaic panel current-voltage sampling circuit, power Correctional tube, battery current voltage sampling circuit, touch screen circuitry and rearmounted protective circuit, the described input of preposition protective circuit is connected with the electric energy output end of solar energy photovoltaic panel, the output of described preposition protective circuit is provided with filtering accumulator, and be connected with controller by photovoltaic panel current-voltage sampling circuit, described preposition protective circuit also by power Correctional tube respectively with storage battery, rearmounted protective circuit is connected, described storage battery is connected with controller by battery current voltage sampling circuit, described controller is connected with touch screen circuitry, the output of described rearmounted protective circuit is provided with buffer circuit, described buffer circuit external load, load can be protected.
Wherein, preposition protective circuit, comprises anti-high input voltage circuit, anti-user personnel wiring reversal connection circuit, is with self-healing overcurrent device; Filtering accumulator, the noise signal of the photoelectricity energy that filtering photovoltaic panel exports; Photovoltaic panel current-voltage sampling circuit, what electric current adopted is Hall current chip, precision and isolation are all high than discrete component a lot, what voltage adopted is electric resistance partial pressure principle, when AD gathers, actual discovery, with interference, overcame hardware drawback with software mean filter afterwards, had saved hardware cost; Controller, the AVR single chip of use is in recent years at the widely used chip in MCU market, and some hardware devices that its high speed, low-power consumption, inside carry, embody its superiority; Rearmounted protective circuit; be used for load over-current; and battery overdischarge carries out a detection; namely protect storage battery not allow its overdischarge, need to disconnect to the current supply circuit of load when its brownout time, storage battery needs once to activate for a long time in addition; just can accomplish with controller clock timing; work as load short circuits, by the detection of controller, protection storage battery.
Described power Correctional tube is cmos fet pipe, and resistance to current value is 80A, and the charging current passed through is maximum can be 80A, meets the use of solar energy photovoltaic panel completely.
Described controller is also connected with battery capacity indication lamp, watchdog circuit, described battery capacity indication lamp can show the state of charge of current storage battery, user is facilitated to check, be provided with the state of charge indicator light that high, normal, basic three colors are different, watchdog circuit can at controller when being subject to the collapse of external interference (as electrostatic) controller, restart controller, ensures normally to work, improves reliability.
Be provided with electromagnetically operated valve between described preposition protective circuit and power Correctional tube, described electromagnetically operated valve is connected with controller, and when controller finds that the electricity of storage battery is full of, prevent from overcharging damage storage battery, Controlling solenoid valve is opened, and cuts off charge circuit.
In sum, solar energy photovoltaic direct current control system of the present invention, the current/voltage of photovoltaic panel current/voltage, storage battery can be gathered, the charging of conservative control storage battery, improve charge efficiency, and be provided with touch screen circuitry, facilitate user to observe present charge state, easy to use, have a good application prospect.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (4)
1. a solar energy photovoltaic direct current control system, it is characterized in that: comprise controller, preposition protective circuit, filtering accumulator, photovoltaic panel current-voltage sampling circuit, power Correctional tube, battery current voltage sampling circuit, touch screen circuitry and rearmounted protective circuit, the described input of preposition protective circuit is connected with the electric energy output end of solar energy photovoltaic panel, the output of described preposition protective circuit is provided with filtering accumulator, and be connected with controller by photovoltaic panel current-voltage sampling circuit, described preposition protective circuit also by power Correctional tube respectively with storage battery, rearmounted protective circuit is connected, described storage battery is connected with controller by battery current voltage sampling circuit, described controller is connected with touch screen circuitry, the output of described rearmounted protective circuit is provided with buffer circuit, described buffer circuit external load.
2. a kind of solar energy photovoltaic direct current control system according to claim 1, it is characterized in that: described power Correctional tube is cmos fet pipe, resistance to current value is 80A.
3. a kind of solar energy photovoltaic direct current control system according to claim 1, is characterized in that: described controller is also connected with battery capacity indication lamp, watchdog circuit.
4. a kind of solar energy photovoltaic direct current control system according to claim 1, is characterized in that: be provided with electromagnetically operated valve between described preposition protective circuit and power Correctional tube, described electromagnetically operated valve is connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410450220.4A CN104242431A (en) | 2014-09-04 | 2014-09-04 | Solar photovoltaic direct-current control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410450220.4A CN104242431A (en) | 2014-09-04 | 2014-09-04 | Solar photovoltaic direct-current control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104242431A true CN104242431A (en) | 2014-12-24 |
Family
ID=52230008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410450220.4A Pending CN104242431A (en) | 2014-09-04 | 2014-09-04 | Solar photovoltaic direct-current control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104242431A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2750551Y (en) * | 2004-07-28 | 2006-01-04 | 深圳市山海太阳能科技有限公司 | Solar accumulator controller |
| CN101071956A (en) * | 2007-04-29 | 2007-11-14 | 宁波麦克森太阳能有限公司 | Method and and device for regulating secondary cell array for solar photovalatic system |
| JP2012135105A (en) * | 2010-12-21 | 2012-07-12 | Sony Corp | Power generation control device and power generation control method, and power generation system |
| CN103855790A (en) * | 2014-03-24 | 2014-06-11 | 电子科技大学 | Intelligent photovoltaic power generation system with energy storage function and control method of system |
| CN103855730A (en) * | 2012-11-29 | 2014-06-11 | 江苏天宇光伏科技有限公司 | Protection control system of solar energy power bank |
| CN203645622U (en) * | 2013-12-24 | 2014-06-11 | 江苏省常州技师学院 | Solar photovoltaic DC controller |
-
2014
- 2014-09-04 CN CN201410450220.4A patent/CN104242431A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2750551Y (en) * | 2004-07-28 | 2006-01-04 | 深圳市山海太阳能科技有限公司 | Solar accumulator controller |
| CN101071956A (en) * | 2007-04-29 | 2007-11-14 | 宁波麦克森太阳能有限公司 | Method and and device for regulating secondary cell array for solar photovalatic system |
| JP2012135105A (en) * | 2010-12-21 | 2012-07-12 | Sony Corp | Power generation control device and power generation control method, and power generation system |
| CN103855730A (en) * | 2012-11-29 | 2014-06-11 | 江苏天宇光伏科技有限公司 | Protection control system of solar energy power bank |
| CN203645622U (en) * | 2013-12-24 | 2014-06-11 | 江苏省常州技师学院 | Solar photovoltaic DC controller |
| CN103855790A (en) * | 2014-03-24 | 2014-06-11 | 电子科技大学 | Intelligent photovoltaic power generation system with energy storage function and control method of system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102801138B (en) | Light-emitting diode (LED) over current protection circuit and light fitting | |
| CN204009782U (en) | A kind of mouse with wireless charging receiver | |
| CN202210602U (en) | Remote control row socket | |
| CN102999143B (en) | Intelligent control circuit of power adapter of notebook computer | |
| CN101950820A (en) | Static zero consumption energy-saving charging device | |
| CN102801137B (en) | A kind of LED short-circuit protection circuit and light fixture | |
| CN202797994U (en) | Combination switch for switching of reactive power compensation capacitor | |
| CN202651766U (en) | Single-phase motor protective device | |
| CN203871841U (en) | Small-scale residual current motion protective circuit breaker | |
| CN204089330U (en) | A kind of adaptive power-supply battery supplies power with double circuit device | |
| CN203951360U (en) | A kind of super wide direct voltage that is applied to photovoltaic system is inputted embedded power supply | |
| CN203734382U (en) | High voltage CT self-power hardware platform | |
| CN202696482U (en) | Power supply circuit for leakage circuit breaker | |
| CN203225836U (en) | Zero power consumption standby circuit and display terminal | |
| CN106160652A (en) | A kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer | |
| CN201828602U (en) | Power failure detection circuit with low power consumption | |
| CN201536195U (en) | Energy-saving socket for home appliances in standby state | |
| CN104242431A (en) | Solar photovoltaic direct-current control system | |
| CN201898451U (en) | Multi-stage capacitor voltage reduction power supply circuit | |
| CN202373812U (en) | Energy-saving and consumption-reducing power socket | |
| CN206272139U (en) | A kind of electronic type of distribution terminal it is anti-jump and point, combined floodgate monitoring arrangement | |
| CN202975963U (en) | Power adapter intelligent control circuit of laptop | |
| CN202395438U (en) | Safety protection circuit of plug | |
| CN206820732U (en) | An a kind of key switch electromechanics road for low-power consumption | |
| CN206117589U (en) | Solar photovoltaic direct current controller based on AFMEGA16L singlechip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141224 |
|
| RJ01 | Rejection of invention patent application after publication |