CN202856616U - DC/DC power supply circuit of photovoltaic MPPT controller - Google Patents
DC/DC power supply circuit of photovoltaic MPPT controller Download PDFInfo
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- CN202856616U CN202856616U CN 201220479308 CN201220479308U CN202856616U CN 202856616 U CN202856616 U CN 202856616U CN 201220479308 CN201220479308 CN 201220479308 CN 201220479308 U CN201220479308 U CN 201220479308U CN 202856616 U CN202856616 U CN 202856616U
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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 DC/DC power supply circuit of a photovoltaic MPPT controller. According to the power supply circuit, a 34063 integrated circuit is applied, an input voltage range is expanded, and a requirement of a wide range solar panel input module is satisfied. When the power of a battery is sufficient, only providing an input of 5W to 6W to the circuit is needed, supplying power to a system by using the battery is not needed, thus the loss of the battery is reduced, and the application range of the system is greatly raised. In addition, according to the power supply circuit, a PWM switch power supply module design is employed to the power supply of a radio module, an external circuit is greatly reduced, and the effective operation of a radio can be ensured.
Description
Technical field
The utility model relates to a kind of power circuit, specifically refers to a kind of DC/DC power circuit of photovoltaic MPPT controller.
Background technology
Be equipped with the DC/C power circuit in the existing photovoltaic MPPT controller, be used for providing power supply to other circuit of controller.But the scope of existing power circuit input voltage is less, is difficult to satisfy the requirement of wide region solar panel input module.And, adopt existing DC/DC power circuit after, controller in use needs battery to system power supply toward contact, thereby has increased the loss of battery, has reduced the range of application of system.
The utility model content
Technical problem to be solved in the utility model is for above-mentioned prior art present situation, provides a kind of input voltage range greatly and the DC/DC power circuit of the photovoltaic MPPT controller that battery loss is less.
The utility model solves the problems of the technologies described above the technical scheme that adopts: the DC/DC power circuit of this photovoltaic MPPT controller, comprise one 34063 chips, the first pin of this 34063 chip, the 7th pin and the 8th pin are connected with the first end of the first resistance simultaneously, the second end of this first resistance is connected with the input power of this chip, the 6th pin of this 34063 chip is connected with the positive pole of described input power with the first electric capacity simultaneously, the 4th pin of this 34063 chip is connected with the negative pole of above-mentioned the first electric capacity and ground connection, the 3rd pin of this 34063 chip is connected with the positive pole of the second electric capacity, the negative pole of this second electric capacity is connected with the negative pole of described the 4th pin and the first electric capacity and ground connection simultaneously, the 5th pin of this 34063 chip is connected with the first end of the second resistance and the first end of the 3rd resistance simultaneously, the second end of described the second resistance is connected with the positive pole of the 3rd electric capacity, the second end of described the 3rd resistance is connected with the negative pole of described the 3rd electric capacity and ground connection, the second pin of this 34063 chip is connected with the first end of inductance and the negative pole of diode simultaneously, the second end of described inductance is connected with the second end of described the second resistance and the positive pole of the 3rd electric capacity simultaneously, and the positive pole of described diode is connected with the second end of described the 3rd resistance and ground connection.
Described diode can adopt different models, and preferably, described diode adopts 4148 diodes.4148 diodes have the ability that makes the conducting of electric current high speed and cut-off and the advantage such as recovery characteristics is soft, overload capacity is strong.
Preferably, also include a radio reception modular circuit, the second end of the inductance of telling is connected with the power input of described radio reception modular circuit.Like this, as long as use less peripheral circuit, can guarantee that broadcast receiver normally moves.
Further preferred, the voltage of the input power of described 34063 chips is 12V.
Compared with prior art, the utility model has the advantage of: the DC/DC power circuit of this photovoltaic controller is by adopting 34063 chips, can satisfy the requirement of wide region solar panel input module, and when battery electric power is sufficient, the input of 5 ~ 6W only need to be provided to this circuit, and need not battery to this system power supply, thus reduced battery loss, improved the range of application of system.
Description of drawings
Fig. 1 is the circuit structure block diagram of the utility model embodiment.
Embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1, the DC/DC power circuit of the photovoltaic MPPT controller of present embodiment has been used 34063 integrated circuits, the first pin of this 34063 chip U, the 7th pin and the 8th pin are connected with the first end of the first resistance R 1 simultaneously, the second end of this first resistance R 1 is connected with the input power Vi of this chip, the 6th pin of this 34063 chip U is connected with the positive pole of described input power Vi and the first capacitor C 1 simultaneously, the 4th pin of this 34063 chip is connected with the negative pole of above-mentioned the first capacitor C 1 and ground connection, the 3rd pin of this 34063 chip U is connected with the positive pole of the second capacitor C 2, the negative pole of this second capacitor C 2 is connected with the negative pole of described the 4th pin and the first capacitor C 1 and ground connection simultaneously, the 5th pin of this 34063 chip U is connected with the first end of the second resistance R 2 and the first end of the 3rd resistance R 3 simultaneously, the second end of described the second resistance R 2 is connected with the positive pole of the 3rd capacitor C 3, the second end of described the 3rd resistance R 3 is connected with the negative pole of described the 3rd capacitor C 3 and ground connection, the second pin of this 34063 chip U is connected with the first end of inductance L and the negative pole of diode D simultaneously, the second end of described inductance L is connected with the second end of described the second resistance R 2 and the positive pole of the 3rd capacitor C 3 simultaneously, and the positive pole of described diode D is connected with the second end of described the 3rd resistance R 3 and ground connection.
In the present embodiment, the voltage of the input power Vi of 34063 chip U is 12V, and the first capacitor C 1 is 100uF, the second capacitor C 2 is 470uF, and the 3rd capacitor C 3 is 150uF, and the first resistance R 1 is 0.33K, the second resistance R 2 is 3.6K, and the 3rd resistance R 3 is 1.2K, and inductance L is 220mH.Make the ability of the conducting of electric current high speed and cut-off for diode is had, the diode D of present embodiment adopts 4148 diodes.
In addition, include a radio reception modular circuit J, the second end of the inductance L of telling is connected with the power input of described radio reception modular circuit J.Like this, power supply can be adopted the design of PWM switch power module to radio receiver module, has greatly reduced peripheral circuit, and can guarantee that broadcast receiver normally moves.
Claims (4)
1. the DC/DC power circuit of a photovoltaic MPPT controller, it is characterized in that: comprise one 34063 chips (U), the first pin of this 34063 chip (U), the 7th pin and the 8th pin are connected with the first end of the first resistance (R1) simultaneously, the second end of this first resistance (R1) is connected with the input power (Vi) of this chip, the 6th pin of this 34063 chip (U) is connected with the positive pole of described input power (Vi) with the first electric capacity (C1) simultaneously, the 4th pin of this 34063 chip (U) is connected with the negative pole of above-mentioned the first electric capacity (C1) and ground connection, the 3rd pin of this 34063 chip (U) is connected with the positive pole of the second electric capacity (C2), the negative pole of this second electric capacity (C2) is connected with the negative pole of described the 4th pin and the first electric capacity (C1) and ground connection simultaneously, the 5th pin of this 34063 chip (U) is connected with the first end of the second resistance (R2) and the first end of the 3rd resistance (R3) simultaneously, the second end of described the second resistance (R2) is connected with the positive pole of the 3rd electric capacity (C3), the second end of described the 3rd resistance (R3) is connected with the negative pole of described the 3rd electric capacity (C3) and ground connection, the second pin of this 34063 chip (U) is connected with the first end of inductance (L) and the negative pole of diode (D) simultaneously, the second end of described inductance (L) is connected with the second end of described the second resistance (R2) and the positive pole of the 3rd electric capacity (C3) simultaneously, and the positive pole of described diode (D) is connected with the second end of described the 3rd resistance (R3) and ground connection.
2. the DC/DC power circuit of photovoltaic MPPT controller according to claim 1 is characterized in that: described diode (D) employing 4148 diodes.
3. the DC/DC power circuit of photovoltaic MPPT controller according to claim 1, it is characterized in that: also include a radio reception modular circuit (J), the second end of the inductance of telling (L) be connected with the power input of described radio reception modular circuit (J).
4. according to claim 1 and 2 or the DC/DC power circuit of 3 described photovoltaic MPPT controllers, it is characterized in that: the voltage of the input power (Vi) of described 34063 chips (U) is 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220479308 CN202856616U (en) | 2012-09-19 | 2012-09-19 | DC/DC power supply circuit of photovoltaic MPPT controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220479308 CN202856616U (en) | 2012-09-19 | 2012-09-19 | DC/DC power supply circuit of photovoltaic MPPT controller |
Publications (1)
| Publication Number | Publication Date |
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| CN202856616U true CN202856616U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220479308 Expired - Fee Related CN202856616U (en) | 2012-09-19 | 2012-09-19 | DC/DC power supply circuit of photovoltaic MPPT controller |
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| CN (1) | CN202856616U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107222097A (en) * | 2017-05-18 | 2017-09-29 | 江苏银基烯碳能源科技有限公司 | Power circuit |
| CN107902110A (en) * | 2017-11-15 | 2018-04-13 | 上海空间电源研究所 | A kind of highly integrated MPPT standardized modules of open architecture |
| CN109188982A (en) * | 2018-10-08 | 2019-01-11 | 芜湖市越泽机器人科技有限公司 | Robot with automatic center-of-gravity regulating |
-
2012
- 2012-09-19 CN CN 201220479308 patent/CN202856616U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107222097A (en) * | 2017-05-18 | 2017-09-29 | 江苏银基烯碳能源科技有限公司 | Power circuit |
| CN107902110A (en) * | 2017-11-15 | 2018-04-13 | 上海空间电源研究所 | A kind of highly integrated MPPT standardized modules of open architecture |
| CN107902110B (en) * | 2017-11-15 | 2021-01-26 | 上海空间电源研究所 | Open-framework high-integration MPPT standardized module |
| CN109188982A (en) * | 2018-10-08 | 2019-01-11 | 芜湖市越泽机器人科技有限公司 | Robot with automatic center-of-gravity regulating |
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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: 20130403 Termination date: 20140919 |
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| EXPY | Termination of patent right or utility model |