CN202495786U - Solar energy system - Google Patents
Solar energy system Download PDFInfo
- Publication number
- CN202495786U CN202495786U CN2012200721181U CN201220072118U CN202495786U CN 202495786 U CN202495786 U CN 202495786U CN 2012200721181 U CN2012200721181 U CN 2012200721181U CN 201220072118 U CN201220072118 U CN 201220072118U CN 202495786 U CN202495786 U CN 202495786U
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- storage battery
- solar energy
- energy system
- circuit
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Abstract
The utility model discloses a solar energy system. The solar energy system comprises a solar cell panel, a charging-discharging controller, a storage battery, a load driving circuit and a load driven by the load driving circuit; the charging-discharging controller comprises a charging circuit and a discharging circuit in series connection; an input end of the charging circuit is electrically connected with an output end of the solar cell panel, and an output end of the charging circuit is electrically connected with the storage battery; and an input end of the discharging circuit is electrically connected with the storage battery, and an output end of the discharging circuit is electrically connected with the load driving circuit. According to an embodiment in the utility model, through setting charging and discharging parameters of the charging circuit and the discharging circuit corresponding to 12V series of batteries, performance of the batteries can be improved and service lives of the batteries can be prolonged, and failures of the batteries can be alleviated.
Description
Technical field
The utility model relates to a kind of solar energy system.
Background technology
Reduce along with the continuous exploitation utilization of the material energy, the development novel environment friendly energy is important directions from now on, and present increasing solar energy system begins to occur.Storage battery as an important composition in the solar energy system partly plays crucial effects, and it can replenish the deficiency of solar energy supply under illumination, can store unnecessary solar energy again, and it is unique energy of load under the situation of unglazed photograph.
The utility model content
The technical problem underlying that the utility model will solve is that a kind of solar energy system is provided.
For solving the problems of the technologies described above, the utility model provides a kind of solar energy system, comprising: solar panel, charging-discharging controller, storage battery, load driving circuits and the load that driven by said load driving circuits; Said charging-discharging controller comprises charge circuit and the discharge loop that is connected in series; The input of said charge circuit and the output of said solar panel electrically connect, and output electrically connects said storage battery; The input of said discharge loop and said storage battery electrically connect, and output electrically connects said load driving circuits.
Described solar energy system also comprises the over circuit that electrically connects with said storage battery.
Described solar energy system also comprises the overdischarge warning circuit that electrically connects with said storage battery.
Said storage battery is the storage battery of 12V.
Said storage battery is a valve controlled sealed lead-acid accumulator.
The rated operational voltage of said storage battery is 10 to 14.4V.
The constant current charge electric current of said storage battery is 10 hour rate currents, and constant voltage charge voltage is 14V
The float charge voltage of said storage battery is 13.4V, and floating charge trickle electric current is 125 hour rate currents.
The overdischarge off voltage of said storage battery is 10V, and the overdischarge recovery voltage is 10.8V.
The overdischarge alarm voltage of said storage battery is 10.5V.
The beneficial effect of the utility model is: through charging-discharging controller; Solar energy system can be converted into sunlight electric energy and stores in the storage battery through charge circuit, and the electric energy of storage battery stored then arrives load via discharge loop and load driving circuits when load has power demands; Among a kind of embodiment,, can improve accumulator property and court of a feudal ruler long running life-span, slow down its inefficacy through 12V series battery and discharge and recharge parameter accordingly.
Description of drawings
Fig. 1 is the structural representation of the solar energy system of a kind of embodiment of the utility model.
Embodiment
Combine accompanying drawing that the utility model is done further explain through embodiment below.
Because environment and conditional request is different.Such as reliability of intensity of illumination and time, ambient temperature, load, system etc., may use the storage battery of various models in the solar energy system, storage battery in solar energy system shared cost of investment than higher.Because the influence of various factors, in most cases storage battery is difficult to reach useful life, thereby has influenced the independently service life of solar energy system.Therefore, storage battery has also become one of expensive component in the solar energy system.Solar energy system is related to properties of product and court of a feudal ruler long running life-span, slows down its inefficacy and have great significance with the parameter setting of storage battery, adopts optimum charging modes O&M storage battery can effectively practice thrift cost, maximizing the benefits.The cost performance of solar energy system can be through improving storage battery self performance and/or adopt high-quality system capacity management to be able to embody.
As shown in Figure 1; The solar energy system 10 of a kind of embodiment comprises: solar panel 110, charging-discharging controller 120, storage battery 130, load driving circuits 140 and load 150; Wherein, charging-discharging controller 120 comprises the charge circuit 121 and discharge loop 122 that is connected in series; The output of the input of charge circuit 120 and solar panel 110 electrically connects, and output electrically connects storage battery 130; The input of discharge loop 122 and storage battery 130 electrically connect, and output electrically connects load driving circuits 140; Load driving circuits 140 drives load 150 work.Among another embodiment, still as shown in Figure 1, solar energy system 10 also comprises over circuit 161 and/or the overdischarge warning circuit 162 that electrically connects with storage battery 130.
In a kind of specific embodiment; Solar energy system uses the valve controlled sealed lead-acid accumulator (VRLA of 12V series; Valve-Regulated LeadAcid Battery), the parameter setting of charging and discharging of accumulator process is: the normal working voltage scope is 10 to 14.4V, and the constant current charge electric current is I
10(i.e. 10 hour rate currents), constant voltage charge voltage is 14V, and float charge voltage is 13.4V, and the trickle electric current is I during floating charge
125(i.e. 125 hour rate currents), the overdischarge alarm voltage is 10.5V, the overdischarge off voltage is 10.0V, and the overdischarge recovery voltage is 10.80V.In same solar energy system, adopt two storage batterys to compare experiment respectively, every storage battery repeats 3 experiments.The two is discharged into 50% of its rated capacity, charge respectively (ambient temperature is 25 ℃).First group of charge mode that adopts constant voltage after the common first constant current; Second group of parameter that discharges and recharges that adopts the present embodiment setting exported under enough situation at photovoltaic power, charges after 6 hours; First group state-of-charge is 93%; Second group has then reached 98%, explains that thus the parameter value of present embodiment setting helps improving the state-of-charge of storage battery in the solar energy system, reaches more high usage and life-span characteristics.
Present embodiment is through being optimized design to the charging and discharging of accumulator parameter, thereby improves accumulator property and prolong its service life, slow down its inefficacy.Should understand; Charging and discharging of accumulator can be achieved through charge circuit and discharge loop among the embodiment; In other words; The charging and discharging of accumulator parameter is embodied in charge circuit and the discharge loop, and the over circuit and the overdischarge warning circuit that are connected with storage battery accordingly also can be integrated in the charging-discharging controller.
Charge circuit that relates among the embodiment and discharge loop and optional over circuit, the physical circuit design of overdischarge warning circuit all can adopt charge-discharge circuit commonly used, protective circuit and warning circuit to be achieved; These circuit commonly used it should be appreciated by those skilled in the art that as long as can be realized charging and discharging of accumulator, circuit protection and circuit alarm by the parameter that discharges and recharges that provides in the previous embodiment.
The foregoing description is giving an example of the utility model; Although disclose the most preferred embodiment and the accompanying drawing of the utility model for the purpose of illustration; But it will be appreciated by those skilled in the art that: in the spirit and scope that do not break away from the utility model and appended claim, various replacements, variation and modification all are possible.Therefore, the utility model should not be limited to most preferred embodiment and the disclosed content of accompanying drawing.
Claims (10)
1. a solar energy system is characterized in that comprising: solar panel, charging-discharging controller, storage battery, load driving circuits and the load that driven by said load driving circuits; Said charging-discharging controller comprises charge circuit and the discharge loop that is connected in series; The input of said charge circuit and the output of said solar panel electrically connect, and output electrically connects said storage battery; The input of said discharge loop and said storage battery electrically connect, and output electrically connects said load driving circuits.
2. solar energy system as claimed in claim 1 is characterized in that also comprising the over circuit that electrically connects with said storage battery.
3. solar energy system as claimed in claim 2 is characterized in that also comprising the overdischarge warning circuit that electrically connects with said storage battery.
4. solar energy system as claimed in claim 3 is characterized in that, said storage battery is the storage battery of 12V.
5. solar energy system as claimed in claim 4 is characterized in that, said storage battery is a valve controlled sealed lead-acid accumulator.
6. like each described solar energy system of claim 1-5, it is characterized in that the rated operational voltage of said storage battery is 10 to 14.4V.
7. solar energy system as claimed in claim 6 is characterized in that, the constant current charge electric current of said storage battery is 10 hour rate currents, and constant voltage charge voltage is 14V
8. solar energy system as claimed in claim 7 is characterized in that, the float charge voltage of said storage battery is 13.4V, and floating charge trickle electric current is 125 hour rate currents.
9. solar energy system as claimed in claim 8 is characterized in that, the overdischarge off voltage of said storage battery is 10V, and the overdischarge recovery voltage is 10.8V.
10. solar energy system as claimed in claim 9 is characterized in that, the overdischarge alarm voltage of said storage battery is 10.5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200721181U CN202495786U (en) | 2012-02-29 | 2012-02-29 | Solar energy system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200721181U CN202495786U (en) | 2012-02-29 | 2012-02-29 | Solar energy system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202495786U true CN202495786U (en) | 2012-10-17 |
Family
ID=47001998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200721181U Expired - Fee Related CN202495786U (en) | 2012-02-29 | 2012-02-29 | Solar energy system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202495786U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599330A (en) * | 2018-06-21 | 2018-09-28 | 广东省电信规划设计院有限公司 | Accumulator cell charging and discharging control device and and its control system with air conditioner refrigerating coordination |
| CN110954839A (en) * | 2019-12-19 | 2020-04-03 | 肇庆理士电源技术有限公司 | Control method, system, equipment and storage medium for discharge detection of storage battery |
-
2012
- 2012-02-29 CN CN2012200721181U patent/CN202495786U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599330A (en) * | 2018-06-21 | 2018-09-28 | 广东省电信规划设计院有限公司 | Accumulator cell charging and discharging control device and and its control system with air conditioner refrigerating coordination |
| CN110954839A (en) * | 2019-12-19 | 2020-04-03 | 肇庆理士电源技术有限公司 | Control method, system, equipment and storage medium for discharge detection of storage battery |
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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: 20121017 Termination date: 20150229 |
|
| EXPY | Termination of patent right or utility model |