CN204559124U - A kind of based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role - Google Patents
A kind of based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role Download PDFInfo
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- CN204559124U CN204559124U CN201520254992.0U CN201520254992U CN204559124U CN 204559124 U CN204559124 U CN 204559124U CN 201520254992 U CN201520254992 U CN 201520254992U CN 204559124 U CN204559124 U CN 204559124U
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- lithium battery
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- reverse
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- power supply
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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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Abstract
The utility model discloses a kind of based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role, comprise accessory power supply part, boosting Converting Unit, solar recharging part and anti-reverse protection part, described anti-reverse protection portion is divided and is comprised a main circuit, described main circuit is by switching tube S1, resistance R1, light-emitting diode D1, control circuit and lithium battery testing circuit composition, the control signal of switching tube S1 is produced by main control chip, described solar recharging part comprises solar panels and a switch S 9, the two ends of described solar panels are connected with the input of accessory power supply part respectively.This main circuit framework is made up of 1 power transistor and corresponding control circuit, when lithium battery connects inverse time, utilize the reverse blocking voltage of switching tube body diode, prevent lithium battery voltage to be oppositely added on change-over circuit and cause internal circuit to damage, the reliability of improving product.
Description
Technical field
The utility model relates to a kind of based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role.
Background technology
Solar power generation, as a kind of emerging energy technology, has started flourish in the whole world.Utilize solar cell, lithium battery and integral type from net solar energy inverter composition from net solar power system, for unregulated power supply area provides reliable supply of electric power, solve residential electricity consumption problem.This system adopts the external mode of lithium battery, and in use, oneself carries out system installation to client according to actual needs.Traditional from net inverter, connect inverse time at lithium battery, internal components can be caused to bear back electromotive force, and make product occur the damage of unrepairable.This invention utilizes the characteristic of switching tube, carries out lithium battery reverse connecting protection, when lithium battery connects inverse time, power-supply system and lithium battery is cut off, and ensures the reliability of power-supply device, and produces the reversal connection of alarm user lithium battery.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of reverse blocking voltage utilizing switching tube body diode, preventing lithium battery voltage to be oppositely added on change-over circuit causes internal circuit to damage, and the lithium battery photovoltaic of the reliability of improving product is against the cell anti-reverse device of Ore-controlling Role.
The utility model is achieved through the following technical solutions: a kind of based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role, comprise accessory power supply part, boosting Converting Unit, solar recharging part and anti-reverse protection part, described anti-reverse protection portion is divided and is comprised a main circuit, described main circuit is by switching tube S1, resistance R1, light-emitting diode D1, control circuit and lithium battery testing circuit composition, the control signal of switching tube S1 is produced by main control chip, described solar recharging part comprises solar panels and a switch S 9, the two ends of described solar panels are connected with the input of accessory power supply part respectively.
As preferred technical scheme, described anti-reverse protection part is parallel with an electric capacity C1, the output termination one resistance R1 of described switching tube S1, a termination boosting Converting Unit of anti-reverse protection part.
As preferred technical scheme, described boosting Converting Unit comprises an electric capacity C2, switch S 2, switch S 3, switch S 5, switch S 6, switch S 7 and switch S 8, and described electric capacity C2 is connected to the output of accessory power supply BD2.
As preferred technical scheme, described lithium battery testing circuit is resistor voltage divider circuit, detecting lithium battery voltage.
As preferred technical scheme, described accessory power supply part comprises a transformer T2, a centre electric capacity C3 in parallel of accessory power supply, termination one switch S 4 of described transformer T2.
The beneficial effects of the utility model are: this main circuit framework is made up of 1 power transistor and corresponding control circuit.When lithium battery connects inverse time, utilize the reverse blocking voltage of switching tube body diode, prevent lithium battery voltage to be oppositely added on change-over circuit and cause internal circuit to damage, the reliability of improving product.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is overall system diagram of the present utility model;
Fig. 2 is working state figure of the present utility model;
Fig. 3 is working state figure of the present utility model;
Fig. 4 is working state figure of the present utility model;
Fig. 5 is working state figure of the present utility model.
Embodiment
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this specification (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
As shown in Figure 1, of the present utility model a kind of based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role, comprise accessory power supply part, boosting Converting Unit, solar recharging part and anti-reverse protection part, described anti-reverse protection portion is divided and is comprised a main circuit, described main circuit is by switching tube S1, resistance R1, light-emitting diode D1, control circuit and lithium battery testing circuit composition, the control signal of switching tube S1 is produced by main control chip, described solar recharging part comprises solar panels and a switch S 9, the two ends of described solar panels are connected with the input of accessory power supply part respectively.
Wherein, anti-reverse protection part is parallel with an electric capacity C1, the output termination one resistance R1 of described switching tube S1, a termination boosting Converting Unit of anti-reverse protection part.Boosting Converting Unit comprises an electric capacity C2, switch S 2, switch S 3, switch S 5, switch S 6, switch S 7 and switch S 8, and described electric capacity C2 is connected to the output of accessory power supply BD2; Lithium battery testing circuit is resistor voltage divider circuit, detecting lithium battery voltage; Described accessory power supply part comprises a transformer T2, a centre electric capacity C3 in parallel of accessory power supply, termination one switch S 4 of described transformer T2.
When lithium battery correctly accesses, the body diode first conducting of switching tube S1, be capacitor charging, accessory power supply normally works, for whole power-supply system provides working power.Now, light-emitting diode D1 is in reverse blocking state, does not produce alarm signal.Specifically as shown in Figure 2.
When main control chip detect lithium battery voltage normal time, main control chip produce control signal, now S1 control signal S1 control is high level, S1 conducting.Whole power-supply system normally works.After S1 conducting, because its internal resistance is very low, greatly reduce system loss, increase system efficiency and properties of product.Specifically as shown in Figure 3.
Two, lithium battery reversal connection pattern:
When lithium battery reversal connection, switching tube S1 is in off state, and the body diode of switching tube is in cut-off state, and whole solar energy does not work from net electricity generation system.Specifically as shown in Figure 4.
Now, light-emitting diode is in forward conduction state, produces alarm signal, and prompting user reconnects lithium battery.Specifically as shown in Figure 5.
Solve the electricity needs problem of remote mountain areas and unregulated power supply area, and can accurate quick monitor and managment protection is carried out to the photovoltaic inverse control integrated machine system based on lithium battery.
Compared with common storage battery photovoltaic generating system; can to solve in distributed power source off-grid system to internal circuit, battery reversal connection causes that damage, battery power efficiency are low based on lithium battery photovoltaic against the cell anti-reverse device of Ore-controlling Role, battery without the problem such as management system and monitor protective system, ensure that the whole system under various operating condition all can reach good effect.
The beneficial effects of the utility model are: this main circuit framework is made up of 1 power transistor and corresponding control circuit.When lithium battery connects inverse time, utilize the reverse blocking voltage of switching tube body diode, prevent lithium battery voltage to be oppositely added on change-over circuit and cause internal circuit to damage, the reliability of improving product.
The above, be only embodiment of the present utility model, but protection range of the present utility model is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection range of the present utility model.Therefore, the protection range that protection range of the present utility model should limit with claims is as the criterion.
Claims (5)
1. one kind based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role, it is characterized in that: comprise accessory power supply part, boosting Converting Unit, solar recharging part and anti-reverse protection part, described anti-reverse protection portion is divided and is comprised a main circuit, described main circuit is by switching tube S1, resistance R1, light-emitting diode D1, control circuit and lithium battery testing circuit composition, the control signal of switching tube S1 is produced by main control chip, described solar recharging part comprises solar panels and a switch S 9, the two ends of described solar panels are connected with the input of accessory power supply part respectively.
2. according to claim 1 based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role; it is characterized in that: described anti-reverse protection part is parallel with an electric capacity C1; the output termination one resistance R1 of described switching tube S1, a termination boosting Converting Unit of anti-reverse protection part.
3. according to claim 1 based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role, it is characterized in that: described boosting Converting Unit comprises an electric capacity C2, switch S 2, switch S 3, switch S 5, switch S 6, switch S 7 and switch S 8, and described electric capacity C2 is connected to the output of accessory power supply BD2.
4. according to claim 1 based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role, it is characterized in that: described lithium battery testing circuit is resistor voltage divider circuit, detecting lithium battery voltage.
5. according to claim 1 based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role, it is characterized in that: described accessory power supply part comprises a transformer T2, a centre electric capacity C3 in parallel of accessory power supply, termination one switch S 4 of described transformer T2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520254992.0U CN204559124U (en) | 2015-04-26 | 2015-04-26 | A kind of based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520254992.0U CN204559124U (en) | 2015-04-26 | 2015-04-26 | A kind of based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role |
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| Publication Number | Publication Date |
|---|---|
| CN204559124U true CN204559124U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520254992.0U Expired - Fee Related CN204559124U (en) | 2015-04-26 | 2015-04-26 | A kind of based on the cell anti-reverse device of lithium battery photovoltaic against Ore-controlling Role |
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| CN (1) | CN204559124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130481A (en) * | 2016-08-31 | 2016-11-16 | 上能电气股份有限公司 | A kind of photovoltaic battery panel connects and counter identifies device |
-
2015
- 2015-04-26 CN CN201520254992.0U patent/CN204559124U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130481A (en) * | 2016-08-31 | 2016-11-16 | 上能电气股份有限公司 | A kind of photovoltaic battery panel connects and counter identifies device |
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| 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: 20150812 |
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| CF01 | Termination of patent right due to non-payment of annual fee |