CN201754511U - Solar photovoltaic storage battery charging and discharging protective controller - Google Patents
Solar photovoltaic storage battery charging and discharging protective controller Download PDFInfo
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- CN201754511U CN201754511U CN2010201019572U CN201020101957U CN201754511U CN 201754511 U CN201754511 U CN 201754511U CN 2010201019572 U CN2010201019572 U CN 2010201019572U CN 201020101957 U CN201020101957 U CN 201020101957U CN 201754511 U CN201754511 U CN 201754511U
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Abstract
The utility model relates to a solar photovoltaic storage battery charging and discharging protective controller, which can realize protection and control for three states of storage batteries. The controller consists of an MCU adopted as a core, has a network communication function, can realize upper computer control, and is high in equipment automation degree. The solar photovoltaic storage battery charging and discharging protective controller is practical and reliable, and meets requirements of practical application in the solar photovoltaic storage battery charging and discharging control field.
Description
Technical field
The utility model relates to a kind of accumulator cell charging and discharging controller, and particularly a kind of photovoltaic is protected controller with charging and discharging of accumulator.
Background technology
As everyone knows, boundless development prospect is arranged, obtained extensive use at home and abroad as a kind of pollution-free, reproducible solar energy new forms of energy.Also more and more be applied as the important photovoltaic generation of one of mode that utilizes of solar energy.Photovoltaic generation can be divided into from the electricity generation system of net independent operating and grid-connected system, extensive in some remote power-shortage areas, island and some application of special occasions from the net system, these areas are far away apart from electrical network, use electrodispersion, the difficulty of generating electricity by way of merging two or more grid systems is very big, the important life electric consumption on lighting that is used to.Utilize solar energy to generate electricity on the daytime that illumination is arranged, and electric consumption on lighting is generally all at night, in order to address this problem, just need store the electricity that daytime, solar energy sent, adopt storage battery as energy storage device at present mostly, this will effectively control charging and discharging of accumulator.Key equipment charging-discharging controller as accumulator cell charging and discharging control, on market, also exist a lot, but adopt analog control technique and simple control method mostly, control precision and reliability are all lower, are difficult to effectively realize charging and discharging of accumulator is controlled.
Summary of the invention
Goal of the invention of the present utility model is exactly in order to overcome the deficiency of prior art, provides a kind of automaticity photovoltaic high and that have network service and a PC control function to protect controller with charging and discharging of accumulator.
The technical solution of the utility model is:
A kind of photovoltaic is protected controller with charging and discharging of accumulator; comprise the MCU control unit; the voltage detecting treatment circuit; control power circuit and controlling output circuit; the voltage detecting treatment circuit links to each other with storage battery with photovoltaic cell component and gathers its magnitude of voltage; the voltage detecting treatment circuit is connected with the MCU control unit and the magnitude of voltage input MCU control unit that collects is handled; the MCU control unit outputs to controlling output circuit with result; the control power circuit is connected with storage battery; by storage battery power supply, the control power circuit also is connected with controlling output circuit with the MCU control unit and for they provide power supply.
Described MCU control unit can also insert man-machine interface circuit and communication interface circuit in order to mutual transmission signal, reaches the function of network service and PC control.
Described voltage detecting treatment circuit is that A/D gathers conversion processing circuit, is divided into battery tension collection and photovoltaic module and gathers two parts.
Described controlling output circuit comprises triode and relay, the contact break-make of the control signal high-low level control relay of MCU.
Voltage detecting treatment circuit of the present utility model is gathered the magnitude of voltage on storage battery and the photovoltaic module in real time; and collection result imported MCU Main Processing Unit; MCU outputs to controlling output circuit after collection result is handled; control relay is also done corresponding action, thereby reaches charging and discharging of accumulator and protection control.
Description of drawings
Fig. 1 is a general structure block diagram of the present utility model.
Fig. 2 is a controller architecture schematic diagram of the present utility model.
Fig. 3 is A/D conversion processing section circuit theory diagrams of the present utility model.
Fig. 4 is output control part circuit theory diagrams of the present utility model.
Fig. 5 is a master control part parallel circuit schematic diagram of the present utility model.
Embodiment
With reference to Fig. 1 is general structure of the present utility model, and this controller can connect 8 of the photovoltaic modulies of maximum DC36V output at most, and maximum battery tension is DC240V, and the user can connect as required.With reference to Fig. 2 is structure principle chart of the present utility model, controller serves as the control core with the uPD78F0521A type MCU of NEC Corporation, utilize 8 interior path 10 position A/D converters of sheet to gather the real-time voltage of photovoltaic modulies and storage battery, utilize 8 tunnel common I/O controller No. 8 relay switches of single-chip microcomputer, realize the function of controller, control can also realize the host computer Long-distance Control by communication interface circuit.
With reference to Fig. 3 is A/D conversion processing section circuit theory diagrams of the present utility model, and A/D gathers the conversion portion circuit and is divided into battery tension collection and photovoltaic module collection two parts.The battery tension collecting part will (DC:36～240V) be converted to the A/D conversion process voltage (DC:0～5V) of MCU with battery tension, as shown in Figure 3, circuit mainly comprises: the dividing potential drop collecting unit of being made up of diode D4, resistance R 1, R2, R3 and capacitor C 15, the battery tension collecting unit becomes low-voltage signal, wherein the value of R2 is the accurate sample resistance of 100k Ω, and the R1 value is 1k Ω.The voltage signal of gathering is exported the voltage signal of DC:0～5V behind the buffer circuit that the amplifying circuit and the light lotus root U2 TLP521-2 of chip U1 LM358 composition form, gather for the MCU unit.The voltage acquisition of another part photovoltaic module is handled, because the voltage ratio of photovoltaic module is lower, so the bleeder circuit collection that sampling simply is made up of R12～R16 resistance, wherein adjustable resistance R15 can regulate the output size of gathering voltage.Photovoltaic module voltage segment of the present utility model is made up of 7 such resistance, can gather the input of 7 road photovoltaic modulies.
With reference to Fig. 4 is output control part circuit part of the present utility model, and control section mainly comprises triode Q1 and relay composition, the contact break-make of the control signal high-low level control relay of MCU.Relay control contact interface of the present utility model is made up of 8 such circuit.
The break-make of the connection switch of the control signal control photovoltaic module of MCU control unit is switched and is carried out charge protection; The break-make of control discharge switch is switched and is realized discharge and protection control.
With reference to Fig. 5 is master control part parallel circuit schematic diagram of the present utility model, control chip U5MCU adopts the uPD78F0511A of NEC Corporation, utilize the A/D conversion of 8 logical 10 bit resolutions in the sheet and abundant I/O mouth control output, and numerical value has button S1 and S2, and the opening and closing of controller can be set respectively.The on off state indication that indication waits circuit R51～R60, LED0～LED7 to form, the bright expression switch opens of lamp, the lamp expression switch that goes out cuts out.By the serial communication circuit that chip U6 MAX232 forms, can realize host computer communication, by the indicating circuit of communicating by letter that resistance R 29, R30 and LED8, LED9 form, when transfer of data, indicator light glimmers.
Claims (4)
1. a photovoltaic is protected controller with charging and discharging of accumulator; it is characterized in that comprising MCU control unit, voltage detecting treatment circuit, control power circuit and controlling output circuit; the voltage detecting treatment circuit links to each other with storage battery with photovoltaic cell component and gathers its magnitude of voltage; the voltage detecting treatment circuit is connected with the MCU control unit and the magnitude of voltage input MCU control unit that collects is handled, and the MCU control unit outputs to controlling output circuit with result.
2. photovoltaic as claimed in claim 1 is protected controller with charging and discharging of accumulator, it is characterized in that described MCU control unit can also insert man-machine interface circuit and communication interface circuit in order to mutual transmission signal.
3. photovoltaic as claimed in claim 1 is characterized in that with charging and discharging of accumulator control protection controller described voltage detecting treatment circuit is that A/D gathers conversion processing circuit, is divided into battery tension collection and photovoltaic module and gathers two parts.
4. protect controller as claim 1 or 3 described photovoltaics with charging and discharging of accumulator control, it is characterized in that described controlling output circuit comprises triode and relay, the contact break-make of the control signal high-low level control relay of MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201019572U CN201754511U (en) | 2010-01-26 | 2010-01-26 | Solar photovoltaic storage battery charging and discharging protective controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201019572U CN201754511U (en) | 2010-01-26 | 2010-01-26 | Solar photovoltaic storage battery charging and discharging protective controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201754511U true CN201754511U (en) | 2011-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2010201019572U Expired - Fee Related CN201754511U (en) | 2010-01-26 | 2010-01-26 | Solar photovoltaic storage battery charging and discharging protective controller |
Country Status (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270869A (en) * | 2011-07-26 | 2011-12-07 | 北京丰荣航空科技有限公司 | Automatic control equipment for charging and discharging of aviation storage battery |
| CN102361415A (en) * | 2011-05-12 | 2012-02-22 | 嘉应学院 | Power device for simulating volt-ampere characteristics of photovoltaic battery |
| CN102832660A (en) * | 2012-08-03 | 2012-12-19 | 安徽力高新能源技术有限公司 | Circuit with automatic charging and discharging protection function |
| CN102891477A (en) * | 2012-10-10 | 2013-01-23 | 深圳市隆瑞科技有限公司 | Battery protection circuit |
| CN104506138A (en) * | 2014-12-24 | 2015-04-08 | 北京航空航天大学 | Device for simulating volt-ampere characteristic of solar cell |
-
2010
- 2010-01-26 CN CN2010201019572U patent/CN201754511U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361415A (en) * | 2011-05-12 | 2012-02-22 | 嘉应学院 | Power device for simulating volt-ampere characteristics of photovoltaic battery |
| CN102361415B (en) * | 2011-05-12 | 2014-07-16 | 嘉应学院 | Power device for simulating volt-ampere characteristics of photovoltaic battery |
| CN102270869A (en) * | 2011-07-26 | 2011-12-07 | 北京丰荣航空科技有限公司 | Automatic control equipment for charging and discharging of aviation storage battery |
| CN102270869B (en) * | 2011-07-26 | 2014-05-07 | 北京丰荣航空科技有限公司 | Automatic control equipment for charging and discharging of aviation storage battery |
| CN102832660A (en) * | 2012-08-03 | 2012-12-19 | 安徽力高新能源技术有限公司 | Circuit with automatic charging and discharging protection function |
| CN102832660B (en) * | 2012-08-03 | 2014-10-08 | 安徽力高新能源技术有限公司 | Circuit with automatic charging and discharging protection function |
| CN102891477A (en) * | 2012-10-10 | 2013-01-23 | 深圳市隆瑞科技有限公司 | Battery protection circuit |
| CN102891477B (en) * | 2012-10-10 | 2014-08-13 | 深圳市隆瑞科技有限公司 | Battery protection circuit |
| CN104506138A (en) * | 2014-12-24 | 2015-04-08 | 北京航空航天大学 | Device for simulating volt-ampere characteristic of solar cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110302 Termination date: 20130126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |