CN209419302U - A kind of solar controller - Google Patents
A kind of solar controller Download PDFInfo
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- CN209419302U CN209419302U CN201822218755.5U CN201822218755U CN209419302U CN 209419302 U CN209419302 U CN 209419302U CN 201822218755 U CN201822218755 U CN 201822218755U CN 209419302 U CN209419302 U CN 209419302U
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- circuit
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- driven chip
- battery
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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 relates to a kind of solar controllers；Synchronous rectified boost/reduction voltage circuit is arranged between photovoltaic module and battery；Control device is connect with synchronous rectified boost/reduction voltage circuit control terminal, further includes the first voltage Acquisition Circuit connecting with control device, the first current collection circuit, second voltage Acquisition Circuit and the second current collection circuit；Control device carries out boost or depressurization to the voltage that photovoltaic module exports according to acquisition information control synchronous rectified boost/reduction voltage circuit to charge to battery；The utility model controller is provided simultaneously with the function of boosting and decompression to charge the battery, it can independently select boosting to charge the battery according to the voltage and current of real-time detection or be depressured to charge the battery, reduce the damage to battery, the optional range of the photovoltaic module to particular battery charging is increased, and improves the efficiency of photovoltaic module to charge the battery.
Description
Technical field
The utility model relates to electronic circuit field more particularly to a kind of solar controllers.
Background technique
With being showing improvement or progress day by day for photovoltaic solar industry technology, solar maximum power point tracks (Maximum Power
Point Tracking, abbreviation MPPT) controller type it is also increasingly various, design scheme is varied, and application direction is also numerous
It is miscellaneous changeable, solar energy MPPT controller can real-time detection photovoltaic module voltage and current, and constantly track maximum power, have
The ability for adjusting photovoltaic module output voltage and electric current makes photovoltaic module realize the output of maximum power, to improve photovoltaic
The utilization efficiency of component；
Solar energy MPPT controller currently on the market is mostly to be depressured type controller, and minority is boosting type controller, therefore
A kind of solar energy MPPT controller for being provided simultaneously with step-up/down function is needed so that photovoltaic module can begin according to the actual situation
It is charged eventually with maximum power to battery.
Utility model content
(1) technical problems to be solved
In order to solve the single charging modes that existing solar controller is charged using boost charge or decompression, and photovoltaic module
Inefficient technical problem to charge the battery, the utility model provide a kind of solar controller.
(2) technical solution
In order to achieve the above object, the main technical schemes of the utility model use include:
Synchronous rectified boost/reduction voltage circuit and control device；
The synchronous rectified boost/reduction voltage circuit is arranged between photovoltaic module and battery；
The output end of the control device is connect with the synchronous rectified boost/reduction voltage circuit；
The solar controller further include:
For acquiring the first voltage Acquisition Circuit of the photovoltaic module voltage, for acquiring the photovoltaic module electric current
First current collection circuit, the second voltage Acquisition Circuit for acquiring the battery voltage and for acquiring the battery
Second current collection circuit of electric current；
The first voltage Acquisition Circuit, first current collection circuit, the second voltage Acquisition Circuit and described
Second current collection circuit is connect with the control device, and the control device according to the first voltage Acquisition Circuit,
The acquisition information of first current collection circuit, the second voltage Acquisition Circuit and second current collection circuit, control
It makes the synchronous rectified boost/reduction voltage circuit and boost or depressurization is carried out to the storage to the voltage that the photovoltaic module exports
Battery charging.
Optionally, the synchronous rectified boost/reduction voltage circuit includes: the first circuit, second circuit and inductance；
First circuit is identical with the structure of the second circuit；
First circuit includes:
First half-bridge driven chip, first diode, first capacitor first switch device and second switch device；
The first diode is arranged between the fixed power source end of the first half-bridge driven chip and floating power supply end, described
The cathode of first diode is connect with the floating power supply end；
The first capacitor be arranged in first half-bridge driven chip floating power supply end and floating power supply return terminal it
Between；
The input terminal of first half-bridge driven chip, first half-bridge driven chip enable end with the control
Device connection；
The ground terminal of first half-bridge driven chip is grounded；
The grid of the high level output end connection first switch device of first half-bridge driven chip, first half-bridge
The grid of the low level output end connection second switch device of driving chip；
The source electrode of the first switch device is connected with the drain electrode of second switch device, and connects first half-bridge driven
The floating power supply return terminal of chip；
The drain electrode of the first switch device connects the positive voltage of the photovoltaic module；
The source electrode of the second switch device is grounded；
The second circuit includes:
Second half-bridge driven chip, the second diode, the second capacitor, third switching device and the 4th switching device；
Wherein, second diode be arranged in the second half-bridge driven chip fixed power source end and floating power supply end it
Between, the cathode of second diode is connect with the floating power supply end；The second capacitor setting is driven in second half-bridge
Between the floating power supply end and floating power supply return terminal of dynamic chip；The drain electrode of third switching device source electrode and the 4th switching device is logical
The inductance is crossed to connect with the drain electrode of the source electrode, second switch device of the first switch device；
The drain electrode of the third switching device connects the anode of the battery.
Optionally, the output end of the control device includes:
Control the first starting control terminal of the first half-bridge driven chip work；
Control the second starting control terminal of the second half-bridge driven chip work；
Control the first pulse width modulation control end of the first switch device and second switch break-over of device or closing；
Control the second pulse width modulation control end of the third switching device and the 4th switch device conductive or closing.
Optionally, the synchronous rectified boost/reduction voltage circuit further include: first resistor, second resistance, 3rd resistor and
Four resistance；
The input terminal of first half-bridge driven chip is arranged in the first resistor and first pulse width is modulated
Between control terminal；
The second resistance be arranged in first half-bridge driven chip enable end and it is described first starting control terminal it
Between；
The input terminal of second half-bridge driven chip is arranged in the 3rd resistor and second pulse width is modulated
Between control terminal；
4th resistance be arranged in second half-bridge driven chip enable end and it is described second starting control terminal it
Between.
Optionally, the first switch device, second switch device, third switching device and the 4th switching device are gold
Belong to oxide semiconductor field effect transistor.
Optionally, the control device is single-chip microcontroller or control chip.
Optionally, the control device is STM32 single-chip microcontroller.
(3) beneficial effect
The beneficial effects of the utility model are: firstly, the utility model controller is provided simultaneously with boosting and decompression is electric power storage
The function of pond charging；Secondly, can independently select boosting to charge the battery or decompression according to the voltage and current of real-time detection
To charge the battery, the damage to battery is reduced；Increase the optional range of the photovoltaic module to particular battery charging；
Finally, the utility model controller improves the efficiency of photovoltaic module to charge the battery.
Detailed description of the invention
Fig. 1 is a kind of solar controller structural schematic diagram that an embodiment of the present invention provides；
Fig. 2 is synchronous rectified boost/reduction voltage circuit circuit diagram that an embodiment of the present invention provides.
Specific embodiment
It is with reference to the accompanying drawing, right by specific embodiment in order to understand in order to preferably explain the utility model
The utility model is described in detail.
As shown in Figure 1, present embodiments provide a kind of solar controller, the controller of the present embodiment include: synchronize it is whole
Flow voltage boosting/lowering circuit and control device；
The controller of the present embodiment further include: for acquiring the first voltage Acquisition Circuit of photovoltaic module voltage, for adopting
Collect the first current collection circuit of photovoltaic module electric current, the second voltage Acquisition Circuit for acquiring battery voltage and for adopting
Collect the second current collection circuit of battery current, thus control device can obtain the voltage of battery and photovoltaic module in real time
And electric current, make solar controller that there is preferable practicability；
For example, photovoltaic module is connected in series or in parallel by multiple solar panels, synchronous rectified boost/decompression electricity
Road is arranged between photovoltaic module and battery；The output end of control device is connect with synchronous rectified boost/reduction voltage circuit, thus
The controller of the present embodiment is provided simultaneously with the function of boosting and decompression to charge the battery；
In the present embodiment, the output end (namely synchronous rectified boost/reduction voltage circuit input terminal) of control device includes:
First starting control terminal SD1, the second starting control terminal SD2, the first pulse width modulation control end PWM1 and the second pulse width
Modulation control end PWM2；For example: the first starting control terminal SD1 is for controlling the first half-bridge driven chip IC1 work；Second
Start control terminal SD2 for controlling the second half-bridge driven chip IC2 work, the first pulse width modulation control end PWM1 is for controlling
First switch device V1 and second switch device V2 on and off processed, the second pulse width modulation control end PWM2 is for controlling
Third switching device V3 and the 4th switching device V4 on and off.
For example synchronous rectified boost/the reduction voltage circuit of the present embodiment includes: the first circuit, second circuit and inductance L,
Wherein, the first circuit is identical with the structure of second circuit；
As shown in Fig. 2, the first circuit include: the first half-bridge driven chip IC1, first diode D1, first resistor R1,
Second resistance R2, first switch device V1 and second switch device V2；Correspondingly, second circuit includes: the second half-bridge driven core
Piece IC2, the second diode D2,3rd resistor R3, the 4th resistance R4, third switching device V3 and the 4th switching device V4, at this
In embodiment, the model of the first half-bridge driven chip IC1 and the second half-bridge driven chip IC2 are IR2104, first switch device
Part V1, second switch device V2, third switching device V3 and the 4th switching device V4 are metal oxide semiconductor field-effect
Transistor (Metal Oxide Semiconductor), the type of the chip model and switching device selected in the present embodiment
It is only used for illustrating.
In the present embodiment, first diode D1 is arranged in the fixed power source end VCC of the first half-bridge driven chip IC1 and floats
Between dynamic power end VB, the cathode of first diode D1 is connect with floating power supply end VB；First capacitor C1 is arranged in the first half-bridge
Between the floating power supply end VB and floating power supply return terminal VS of driving chip IC1；
Further, the input terminal IN of the first half-bridge driven chip IC1 pass through first resistor R1 connection control device the
The enable end SD of one pulse width modulation control end PWM1, the first half-bridge driven chip IC1 is controlled by second resistance R2 connection
The ground terminal COM ground connection of first starting control terminal SD1, the first half-bridge driven chip IC1 of device, the first half-bridge driven chip
The grid of the high level output end HO connection first switch device V1 of IC1, the low level output end of the first half-bridge driven chip IC1
The grid of LO connection second switch device V2；The source electrode of first switch device V1 is connected with the drain electrode of second switch device V2, and
The floating power supply return terminal VS of the first half-bridge driven chip IC1 is connected, the drain electrode connection photovoltaic module of first switch device V1
The source electrode of positive voltage PV+, second switch device V2 are grounded；
Correspondingly, the grid of the high level output end HO connection third switching device V3 of the second half-bridge driven chip IC2, the
The grid of the 4th switching device V4 of low level output end LO connection of two half-bridge driven chip IC2, the second diode D2 setting exist
Between the fixed power source end VCC and floating power supply end VB of second half-bridge driven chip IC2, the cathode of the second diode D2 and floating
Power end VB connection；The drain electrode of third switching device V3 source electrode and the 4th switching device V4 pass through inductance L and first switch device
The drain electrode connection of the source electrode, second switch device V2 of part V1, the positive BAT+ of the drain electrode connection battery of third switching device V3.
Specifically, in the present embodiment control device be single-chip microcontroller or control chip, such as using STM32 single-chip microcontroller as
Control device, then STM32 single-chip microcontroller obtains first voltage Acquisition Circuit, the first current collection circuit, second voltage Acquisition Circuit
With the acquisition information of the second current collection circuit, photovoltaic module to charge the battery during the control of STM32 single-chip microcontroller it is same
Step rectifier boost/reduction voltage circuit carries out boost or depressurization to the voltage that photovoltaic module exports, to avoid battery both ends are added in
Voltage is excessive or service life insufficient and that damage battery；
For example, if STM32 single-chip microcontroller judges that the voltage of photovoltaic module is greater than battery voltage, STM32 single-chip microcontroller
So that the first starting control terminal SD1 and second is started control terminal SD2 is high level, at this time the first half-bridge driven chip IC1 and the
Two half-bridge driven chip IC2 are in working condition, while STM32 single-chip microcontroller is sent out to the second pulse width modulation control end PWM2
The number of delivering letters is so that third switching device V3 conducting, the 4th switching device V4 cut-off, STM32 single-chip microcontroller are modulated to the first pulse width
Control terminal PWM1 transmission signal adjustment first switch device V1's and the second open pipe V2 is turned on and off the time, by V1-L-V3-
Battery and the complementary alternate mode of V2-L-V3- battery complete photovoltaic module decompression to charge the battery；
The present embodiment controller also has the operating mode of boost charge, if STM32 single-chip microcontroller judges the electricity of photovoltaic module
Pressure is less than battery voltage, then it is high electricity that STM32 single-chip microcontroller, which makes the first starting control terminal SD1 and second start control terminal SD2,
Flat, the first half-bridge driven chip IC1 and the second half-bridge driven chip IC2 are in working condition, while STM32 single-chip microcontroller at this time
Signal is sent to the first pulse width modulation control end PWM1 so that first switch device V1 conducting, second switch device V2 are cut
Only, STM32 single-chip microcontroller sends signal adjustment third switching device V3 and the 4th to the second pulse width modulation control end PWM2 and opens
Close device V4 is turned on and off the time, is completed by the complementary alternate mode of V1-L-V3- battery and V1-L-V4- battery
Photovoltaic module boosts to charge the battery, and the controller of the present embodiment is all made of three-stage using the process of boost or depressurization charging
Reduce the damage to battery.
The utility model can not only charge to the batteries of different voltages by step-up/down, can also by boosting/
Decompression charges to the battery of specific voltage using the photovoltaic module of different size parameter, increases to particular battery charging
The optional range of photovoltaic module；The utility model controller its can independently select to boost according to the voltage and current of real-time detection
It to charge the battery or is depressured to charge the battery, reduces the damage to battery；Photovoltaic module is improved to fill for battery
The efficiency of electricity.
Finally, it should be noted that above-described each embodiment is merely to illustrate the technical solution of the utility model, rather than
It is limited；Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art
It is understood that it can still modify to technical solution documented by previous embodiment, or to part of or whole
Technical characteristic is equivalently replaced；And these modifications or substitutions, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution.
Claims (7)
1. a kind of solar controller characterized by comprising synchronous rectified boost/reduction voltage circuit and control device；
The synchronous rectified boost/reduction voltage circuit is arranged between photovoltaic module and battery；
The output end of the control device is connect with the synchronous rectified boost/reduction voltage circuit；
The solar controller further include:
For acquire the photovoltaic module voltage first voltage Acquisition Circuit, first for acquiring the photovoltaic module electric current
Current collection circuit, the second voltage Acquisition Circuit for acquiring the battery voltage and for acquiring the battery current
The second current collection circuit；
The first voltage Acquisition Circuit, first current collection circuit, the second voltage Acquisition Circuit and described second
Current collection circuit is connect with the control device, and the control device is according to the first voltage Acquisition Circuit, described
The acquisition information of first current collection circuit, the second voltage Acquisition Circuit and second current collection circuit controls institute
It states synchronous rectified boost/reduction voltage circuit and boost or depressurization is carried out to fill to the battery to the voltage that the photovoltaic module exports
Electricity.
2. controller as described in claim 1, which is characterized in that the synchronous rectified boost/reduction voltage circuit includes: the first electricity
Road, second circuit and inductance (L)；
First circuit is identical with the structure of the second circuit；
First circuit includes:
First half-bridge driven chip (IC1), first diode (D1), first capacitor (C1) first switch device (V1) and second are opened
It closes device (V2)；
The first diode (D1) is arranged in the fixed power source end (VCC) of the first half-bridge driven chip (IC1) and floating power supply
It holds between (VB), the cathode of the first diode (D1) is connect with the floating power supply end (VB)；
Floating power supply end (VB) and floating power supply in first half-bridge driven chip (IC1) is arranged in the first capacitor (C1)
Between return terminal (VS)；
The enable end of the input terminal (IN) of first half-bridge driven chip (IC1), first half-bridge driven chip (IC1)
(SD) it is connect with the control device；
The ground terminal (COM) of first half-bridge driven chip (IC1) is grounded；
The grid of high level output end (HO) connection first switch device (V1) of first half-bridge driven chip (IC1), institute
State the grid of low level output end (LO) connection second switch device (V2) of the first half-bridge driven chip (IC1)；
The source electrode of the first switch device (V1) is connected with the drain electrode of second switch device (V2), and connects first half-bridge
The floating power supply return terminal (VS) of driving chip (IC1)；
The drain electrode of the first switch device (V1) connects the positive voltage (PV+) of the photovoltaic module；
The source electrode of the second switch device (V2) is grounded；
The second circuit includes:
Second half-bridge driven chip (IC2), the second diode (D2), the second capacitor (C2), third switching device (V3) and the 4th
Switching device (V4)；
Wherein, fixed power source end (VCC) and floating of the second diode (D2) setting in the second half-bridge driven chip (IC2)
Between power end (VB), the cathode of second diode (D2) is connect with the floating power supply end (VB)；Second capacitor
(C2) it is arranged between the floating power supply end (VB) and floating power supply return terminal (VS) of second half-bridge driven chip (IC2)；
The drain electrode of third switching device (V3) source electrode and the 4th switching device (V4) passes through the inductance (L) and the first switch device
(V1) the drain electrode connection of source electrode, second switch device (V2)；
The drain electrode of the third switching device (V3) connects the anode (BAT+) of the battery.
3. controller according to claim 2, which is characterized in that the output end of the control device includes:
Control the first starting control terminal (SD1) of the first half-bridge driven chip (IC1) work；
Control the second starting control terminal (SD2) of the second half-bridge driven chip (IC2) work；
Control the first pulse width modulation control of the first switch device (V1) and second switch device (V2) on and off
End (PWM1) processed；
Control the second pulse width modulation control of the third switching device (V3) and the 4th switching device (V4) on and off
End (PWM2) processed.
4. controller as claimed in claim 3, which is characterized in that the synchronous rectified boost/reduction voltage circuit further include: first
Resistance (R1), second resistance (R2), 3rd resistor (R3) and the 4th resistance (R4)；
Input terminal (IN) and first pulse of first resistor (R1) setting in first half-bridge driven chip (IC1)
Between width modulated control terminal (PWM1)；
Enable end (SD) and first starting of second resistance (R2) setting in first half-bridge driven chip (IC1)
Between control terminal (SD1)；
Input terminal (IN) and second pulse of 3rd resistor (R3) setting in second half-bridge driven chip (IC2)
Between width modulated control terminal (PWM2)；
Enable end (SD) and second starting of 4th resistance (R4) setting in second half-bridge driven chip (IC2)
Between control terminal (SD2).
5. controller as claimed in claim 4, which is characterized in that the first switch device (V1), second switch device
(V2), third switching device (V3) and the 4th switching device (V4) are Metal Oxide Semiconductor Field Effect Transistor.
6. controller a method as claimed in any one of claims 1 to 5, which is characterized in that the control device is single-chip microcontroller or control core
Piece.
7. controller a method as claimed in any one of claims 1 to 5, which is characterized in that the control device is STM32 single-chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822218755.5U CN209419302U (en) | 2018-12-27 | 2018-12-27 | A kind of solar controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822218755.5U CN209419302U (en) | 2018-12-27 | 2018-12-27 | A kind of solar controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209419302U true CN209419302U (en) | 2019-09-20 |
Family
ID=67940942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822218755.5U Active CN209419302U (en) | 2018-12-27 | 2018-12-27 | A kind of solar controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209419302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024046180A1 (en) * | 2022-08-31 | 2024-03-07 | 中兴通讯股份有限公司 | Hybrid battery charging circuit, method, device, and storage medium |
-
2018
- 2018-12-27 CN CN201822218755.5U patent/CN209419302U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024046180A1 (en) * | 2022-08-31 | 2024-03-07 | 中兴通讯股份有限公司 | Hybrid battery charging circuit, method, device, and storage medium |
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Effective date of registration: 20191126 Address after: 518112 Room 403, unit 2, building C, Dongfang Shengshi, Jinpai community, Buji street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen yongshenglong Technology Co., Ltd Address before: 102200 room A129-1, Zhongxing Road, Changping District science and Technology Park, Beijing, China, 10 Patentee before: Dongtai Hi-Tech Equipment Technology Co., Ltd. |
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Effective date of registration: 20210224 Address after: Unit 611, unit 3, 6 / F, building 1, yard 30, Yuzhi East Road, Changping District, Beijing 102208 Patentee after: Zishi Energy Co.,Ltd. Address before: Room 403, unit 2, building C, Dongfang Shengshi, Jinpai community, Buji street, Longgang District, Shenzhen, Guangdong 518112 Patentee before: Shenzhen yongshenglong Technology Co.,Ltd. |
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