CN203326653U - Solar energy storage battery charging circuit - Google Patents
Solar energy storage battery charging circuit Download PDFInfo
- Publication number
- CN203326653U CN203326653U CN2013203628418U CN201320362841U CN203326653U CN 203326653 U CN203326653 U CN 203326653U CN 2013203628418 U CN2013203628418 U CN 2013203628418U CN 201320362841 U CN201320362841 U CN 201320362841U CN 203326653 U CN203326653 U CN 203326653U
- Authority
- CN
- China
- Prior art keywords
- resistance
- connects
- storage battery
- positive pole
- solar panel
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a solar energy storage battery charging circuit. The solar energy storage battery charging circuit comprises a solar cell panel, a charging control circuit, an overvoltage protective circuit and a storage battery. The overvoltage protective circuit comprises a MOS transistor, a triode, a Zener diode, a first resistor, a second resistor and a third resistor; the source of the MOS transistor is connected with the cathode of the solar cell panel; a drain electrode is connected with the charging control circuit; a grid electrode is connected with one end of the first resistor and one end of the second resistor; the other end of the fist resistor is respectively connected with the anode of the solar cell panel and the cathode of the Zener diode; the other end of the second resistor is connected with the collector electrode of the triode; the anode of the Zener diode is connected with the base electrode of the triode through the third resistor; and the emitter electrode of the triode is grounded. According to the utility model, when the output voltage of the anode of the solar cell panel is too large, the Zener diode is reversely broken down, the triode is conducted, the MOS transistor enters a cut-off state, and the charging is stopped. The overvoltage protective circuit has the advantages of simple structure, high reliability and low cost.
Description
Technical field
The utility model relates to storage battery and manufactures field, particularly relates to a kind of solar storage battery charging circuit.
Background technology
Solar storage battery is a kind of a kind of electric energy storage device that light energy conversion is become to electric energy and stored.Usually, solar storage battery comprises solar panel, charging circuit and storage battery, and wherein, solar panel becomes electric energy by transform light energy, charging circuit by delivery of electrical energy to storage battery, with by power storage in storage battery.Because solar panel transforms in the electric energy process, affected by illumination condition larger, the impact for fear of the large voltage produced to charging circuit and storage battery can arrange overvoltage crowbar usually in charging circuit.But the common structure of the overvoltage crowbar of employing is more complicated, reliability is lower, and cost is higher, even when overvoltage, can cause overvoltage crowbar in the damage of components and parts.
The utility model content
Based on this, be necessary for the problem that the overvoltage crowbar complex structure in the charging circuit of traditional storage battery, reliability are low and cost is higher, provide a kind of simple in structure, reliability is higher and lower-cost solar storage battery charging circuit.
A kind of solar storage battery charging circuit, comprise solar panel, charging control circuit, overvoltage crowbar and storage battery, the positive pole of described solar panel connects described charging control circuit, described overvoltage crowbar connects respectively described solar panel and described charging control circuit, described charging control circuit connects the positive pole of described storage battery, and the negative pole of described solar panel and the negative pole of described storage battery be ground connection respectively;
Described overvoltage crowbar comprises metal-oxide-semiconductor, triode, voltage stabilizing didoe, the first resistance, the second resistance and the 3rd resistance, the source electrode of described metal-oxide-semiconductor connects the negative pole of described solar panel, drain electrode connects described charging control circuit, grid connects respectively an end of described the first resistance and an end of described the second resistance, the other end of described the first resistance connects respectively the positive pole of described solar panel and the negative pole of described voltage stabilizing didoe, the collector electrode of the described triode of another termination of described the second resistance, the positive pole of described voltage stabilizing didoe connects the base stage of described triode via described the 3rd resistance, the grounded emitter of described triode.
Therein in embodiment, described charging control circuit comprises charging chip, the first diode, the 4th resistance, the 5th resistance and the 6th resistance, the model of described charging chip is SUN4004, the pin 2 of described charging chip connects the positive pole of described the first diode, pin 3 connects the drain electrode of described metal-oxide-semiconductor, pin 4 connects an end of described the 4th resistance, pin 5 connects an end of the 6th resistance, pin 6 connects an end of the 5th resistance, pin 8 connects the positive pole of described solar panel, the other end of the negative pole of described the first diode and described the 4th resistance connects respectively the positive pole of described storage battery, the other end of the other end of described the 5th resistance and described the 6th resistance connects respectively the positive pole of described solar panel.
Therein in embodiment, described charging control circuit also comprises charged state indicator light, full state indicator light, the 7th resistance and the 8th resistance, the pin 1 of described charging chip connects the positive pole of described solar panel successively via described the 7th resistance and described charged state indicator light, pin 7 connects the positive pole of described solar panel successively via described the 8th resistance and described full state indicator light.
Therein in embodiment, described solar storage battery charging circuit also comprises the second diode and the first electric capacity, the positive pole of described the second diode connects the positive pole of described solar panel, negative pole connects respectively an end of described charging circuit and described the first electric capacity, the other end ground connection of described the first electric capacity.
In embodiment, described solar storage battery charging circuit also comprises the second electric capacity, switch and electric discharge interface therein, and described the second Capacitance parallel connection is connected in the two ends of described storage battery, and described electric discharge interface connects the positive pole of described storage battery via described switch.
Above-mentioned solar storage battery charging circuit, when the output voltage of solar panel positive pole is larger, the voltage stabilizing didoe reverse breakdown; the triode conducting; the grounded-grid of metal-oxide-semiconductor, metal-oxide-semiconductor enters cut-off state, and charging circuit turn-offs; stop charging; thereby effectively protected charging circuit and storage battery, when the output voltage of solar panel SR positive pole reaches normal value, voltage stabilizing didoe oppositely ends; metal-oxide-semiconductor enters conducting state, reenters charged state.Overvoltage crowbar of the present utility model is simple in structure, reliability is higher, cost is lower, the damage of the components and parts that caused while having avoided overvoltage.
The accompanying drawing explanation
The schematic diagram of the solar storage battery charging circuit that Fig. 1 is an embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As shown in Figure 1, in one embodiment, a kind of solar storage battery BT charging circuit, comprise solar panel SR, charging control circuit 120, overvoltage crowbar 110 and storage battery BT.The positive pole of solar panel SR connects charging control circuit 120; overvoltage crowbar 110 connects respectively solar panel SR and charging control circuit 120; charging control circuit 120 connects the positive pole of storage battery BT, and the negative pole of the negative pole of solar panel SR and storage battery BT is ground connection respectively.Overvoltage crowbar 110 comprises metal-oxide-semiconductor M1, triode Q1, voltage stabilizing didoe ZD1, the first resistance R 1, the second resistance R 2 and the 3rd resistance R 3.Wherein, metal-oxide-semiconductor M1 is N channel enhancement field effect transistor.Triode Q1 is the NPN pipe.The source electrode of metal-oxide-semiconductor connects the negative pole of solar panel SR, drain electrode connects charging control circuit 120, grid connects respectively an end of the first resistance R 1 and an end of the second resistance R 2, the other end of the first resistance R 1 connects respectively the positive pole of solar panel SR and the negative pole of voltage stabilizing didoe ZD1, the collector electrode of another termination triode Q1 of the second resistance R 2, the positive pole of voltage stabilizing didoe ZD1 connects the base stage of triode Q1, the grounded emitter of triode Q1 via the 3rd resistance R 3.
Above-mentioned solar storage battery charging circuit, when the output voltage of solar panel positive pole is larger, voltage stabilizing didoe ZD1 reverse breakdown; triode Q1 conducting; the grounded-grid of metal-oxide-semiconductor M1, metal-oxide-semiconductor enters cut-off state, and charging circuit turn-offs; stop charging; thereby effectively protected charging circuit and storage battery, when the output voltage of solar panel SR positive pole reaches normal value, voltage stabilizing didoe ZD1 oppositely ends; metal-oxide-semiconductor enters conducting state, reenters charged state.Overvoltage crowbar 110 of the present utility model is simple in structure, reliability is higher, cost is lower, the damage of the components and parts that caused while having avoided overvoltage.
In the present embodiment, charging control circuit 120 comprises charging chip IC, the first diode D1, the 4th resistance R 4, the 5th resistance R 5 and the 6th resistance R 6.The model of charging chip IC is SUN4004.The pin 2 of charging chip IC connects the positive pole of the first diode D1, pin 3 connects the drain electrode of metal-oxide-semiconductor M1, and pin 4 connects an end of the 4th resistance R 4, and pin 5 connects an end of the 6th resistance R 6, pin 6 connects an end of the 5th resistance R 5, and pin 8 connects the positive pole of solar panel SR.The other end of the negative pole of the first diode D1 and the 4th resistance R 4 connects respectively the positive pole of storage battery BT, and the other end of the other end of the 5th resistance R 5 and the 6th resistance R 6 connects respectively the positive pole of solar panel SR.In addition, charging control circuit 120 also comprises charged state indicator light L1, full state indicator light L2, the 7th resistance R 7 and the 8th resistance R 8.The pin 1 of charging chip IC connects the positive pole of solar panel SR successively via the 7th resistance R 7 and charged state indicator light L1, pin 7 connects the positive pole of solar panel SR successively via the 8th resistance R 8 and full state indicator light L2.
In the present embodiment, solar storage battery BT charging circuit also comprises the second diode D2 and the first capacitor C 1.The positive pole of the second diode D2 connects the positive pole of solar panel SR, and negative pole connects respectively an end of charging circuit and the first capacitor C 1, the other end ground connection of the first capacitor C 1.
In the present embodiment, the solar storage battery charging circuit also comprises the second capacitor C 2, switch S 1 and electric discharge interface JK, and the second capacitor C 2 is connected in parallel in the two ends of storage battery BT, and electric discharge interface JK connects the positive pole of storage battery BT via switch S 1.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (5)
1. a solar storage battery charging circuit, it is characterized in that, comprise solar panel, charging control circuit, overvoltage crowbar and storage battery, the positive pole of described solar panel connects described charging control circuit, described overvoltage crowbar connects respectively described solar panel and described charging control circuit, described charging control circuit connects the positive pole of described storage battery, and the negative pole of described solar panel and the negative pole of described storage battery be ground connection respectively;
Described overvoltage crowbar comprises metal-oxide-semiconductor, triode, voltage stabilizing didoe, the first resistance, the second resistance and the 3rd resistance, the source electrode of described metal-oxide-semiconductor connects the negative pole of described solar panel, drain electrode connects described charging control circuit, grid connects respectively an end of described the first resistance and an end of described the second resistance, the other end of described the first resistance connects respectively the positive pole of described solar panel and the negative pole of described voltage stabilizing didoe, the collector electrode of the described triode of another termination of described the second resistance, the positive pole of described voltage stabilizing didoe connects the base stage of described triode via described the 3rd resistance, the grounded emitter of described triode.
2. solar storage battery charging circuit according to claim 1, it is characterized in that, described charging control circuit comprises charging chip, the first diode, the 4th resistance, the 5th resistance and the 6th resistance, the model of described charging chip is SUN4004, the pin 2 of described charging chip connects the positive pole of described the first diode, pin 3 connects the drain electrode of described metal-oxide-semiconductor, pin 4 connects an end of described the 4th resistance, pin 5 connects an end of the 6th resistance, pin 6 connects an end of the 5th resistance, pin 8 connects the positive pole of described solar panel, the other end of the negative pole of described the first diode and described the 4th resistance connects respectively the positive pole of described storage battery, the other end of the other end of described the 5th resistance and described the 6th resistance connects respectively the positive pole of described solar panel.
3. solar storage battery charging circuit according to claim 2, it is characterized in that, described charging control circuit also comprises charged state indicator light, full state indicator light, the 7th resistance and the 8th resistance, the pin 1 of described charging chip connects the positive pole of described solar panel successively via described the 7th resistance and described charged state indicator light, pin 7 connects the positive pole of described solar panel successively via described the 8th resistance and described full state indicator light.
4. solar storage battery charging circuit according to claim 1, it is characterized in that, described solar storage battery charging circuit also comprises the second diode and the first electric capacity, the positive pole of described the second diode connects the positive pole of described solar panel, negative pole connects respectively an end of described charging circuit and described the first electric capacity, the other end ground connection of described the first electric capacity.
5. solar storage battery charging circuit according to claim 1, it is characterized in that, described solar storage battery charging circuit also comprises the second electric capacity, switch and electric discharge interface, described the second Capacitance parallel connection is connected in the two ends of described storage battery, and described electric discharge interface connects the positive pole of described storage battery via described switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203628418U CN203326653U (en) | 2013-06-21 | 2013-06-21 | Solar energy storage battery charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203628418U CN203326653U (en) | 2013-06-21 | 2013-06-21 | Solar energy storage battery charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203326653U true CN203326653U (en) | 2013-12-04 |
Family
ID=49665947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203628418U Expired - Fee Related CN203326653U (en) | 2013-06-21 | 2013-06-21 | Solar energy storage battery charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203326653U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647199A (en) * | 2013-12-27 | 2014-03-19 | 厦门大学 | Multifunctional direct-current power supply rechargeable socket matched with solar power system on building |
| CN104779585B (en) * | 2014-01-10 | 2018-11-27 | 海洋王（东莞）照明科技有限公司 | A kind of secondary battery protection circuit |
| CN109217410A (en) * | 2018-08-31 | 2019-01-15 | 华润微电子（重庆）有限公司 | A kind of single-unit tandem type lithium battery protection circuit |
| CN112332518A (en) * | 2020-10-26 | 2021-02-05 | 成都华体慧城科技有限公司 | Environmental protection wisdom street lamp |
| CN117293991A (en) * | 2023-11-27 | 2023-12-26 | 佛山市晟阳太阳能科技有限公司 | Solar charging control circuit with protection function |
-
2013
- 2013-06-21 CN CN2013203628418U patent/CN203326653U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647199A (en) * | 2013-12-27 | 2014-03-19 | 厦门大学 | Multifunctional direct-current power supply rechargeable socket matched with solar power system on building |
| CN103647199B (en) * | 2013-12-27 | 2017-01-18 | 厦门大学 | Multifunctional direct-current power supply rechargeable socket matched with solar power system on building |
| CN104779585B (en) * | 2014-01-10 | 2018-11-27 | 海洋王（东莞）照明科技有限公司 | A kind of secondary battery protection circuit |
| CN109217410A (en) * | 2018-08-31 | 2019-01-15 | 华润微电子（重庆）有限公司 | A kind of single-unit tandem type lithium battery protection circuit |
| CN112332518A (en) * | 2020-10-26 | 2021-02-05 | 成都华体慧城科技有限公司 | Environmental protection wisdom street lamp |
| CN117293991A (en) * | 2023-11-27 | 2023-12-26 | 佛山市晟阳太阳能科技有限公司 | Solar charging control circuit with protection function |
| CN117293991B (en) * | 2023-11-27 | 2024-03-19 | 佛山市晟阳太阳能科技有限公司 | Solar charging control circuit with protection function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203326653U (en) | Solar energy storage battery charging circuit | |
| CN103117581B (en) | Solar mobile power supply | |
| CN201789282U (en) | Battery charge/discharge protection circuit | |
| CN104426138A (en) | Over-discharge protection circuit of chargeable battery | |
| CN104218558B (en) | Anti-surging high tension protection circuit | |
| CN204290475U (en) | Power supply switch circuit and electronic equipment | |
| CN101783503B (en) | Overvoltage protection circuit | |
| CN203313079U (en) | Synchronous rectification circuit | |
| CN203691219U (en) | Isolating power drive circuit | |
| CN203151069U (en) | Vehicle overvoltage protection circuit | |
| CN202772791U (en) | Short circuit protection circuit used for parallel connection power supply | |
| CN103023116B (en) | Mobile communication terminal and circuit used for protecting charging of mobile communication terminal | |
| CN102969704A (en) | Pre-charging circuit | |
| CN103117584B (en) | Portable solar mobile power supply | |
| CN203674737U (en) | Discharge protection device and battery management system thereof | |
| CN202004452U (en) | Controllable discharge circuit for photovoltaic inverter | |
| CN204758768U (en) | IGBT overflows failure detector circuit | |
| CN203135502U (en) | Portable solar mobile power supply | |
| CN103199503A (en) | Protective circuit of vehicle-mounted charger | |
| CN202840966U (en) | Power supply auxiliary circuit | |
| CN203289085U (en) | Battery charge protection circuit, and charger using battery charge protection circuit | |
| CN201733130U (en) | Power supply management module circuit | |
| CN201498978U (en) | Battery over-discharge protection circuit | |
| CN206640308U (en) | A kind of Vehicular power protective circuit | |
| CN204681082U (en) | A kind of electric tricycle charger IGBT current foldback circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG MINGSHUO ENERGY SAVING TECHNOLOGY INC. Free format text: FORMER NAME: ZHEJIANG MINGSHUO ELECTRONIC TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 314100, Zhenhua Road 68, Wei Tong Street, Jiashan County, Jiaxing, Zhejiang Patentee after: ZHEJIANG MINGSHUO ENERGY-SAVING TECHNOLOGY INC. Address before: 314100, Zhenhua Road 68, Wei Tong Street, Jiashan County, Jiaxing, Zhejiang Patentee before: Zhejiang Mingshuo Electronic Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20170621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |