CN209088608U - The total positive charging circuit of photovoltaic controller - Google Patents
The total positive charging circuit of photovoltaic controller Download PDFInfo
- Publication number
- CN209088608U CN209088608U CN201821780225.3U CN201821780225U CN209088608U CN 209088608 U CN209088608 U CN 209088608U CN 201821780225 U CN201821780225 U CN 201821780225U CN 209088608 U CN209088608 U CN 209088608U
- Authority
- CN
- China
- Prior art keywords
- semiconductor
- oxide
- metal
- triode
- battery
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of total positive charging circuit of photovoltaic controller, including photovoltaic battery panel, battery, PV forward direction output end is connect with battery positive input, PV negative sense output end is connect with the source electrode of the first metal-oxide-semiconductor, the drain electrode of first metal-oxide-semiconductor is connect with the drain electrode of the second metal-oxide-semiconductor, the source electrode of 2nd MOS is connected to battery negative input and the first ground terminal, and the grid of the first metal-oxide-semiconductor is connect with the gate connected in parallel of the second metal-oxide-semiconductor and with the signal output end of pwm signal driving circuit.The charging circuit is able to achieve total anode work, can carry out total plus earth operation；Realize that the driving of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q4 using same one drive circuit, saves circuit cost；Driving circuit section is directly driven using triode, does not need additionally to increase isolated power supply and driving chip, and the purpose of anode PWM charging circuit altogether can be realized by pwm control signal all the way.
Description
Technical field
The utility model relates to a kind of photovoltaic controllers, in particular to a kind of to be used for photovoltaic in photovoltaic controller circuit
The total positive charging circuit that solar panel charges to battery.
Background technique
With the increasingly increasingly exacerbation of shortage and environmental pollution of the energy, clean energy resource, renewable energy become current
The field that countries in the world are given priority to, wherein photovoltaic power generation technology because its have many advantages, such as green, environmental protection, it is renewable increasingly by
To the attention and welcome of people.In photovoltaic power generation technology, photovoltaic controller is for controlling multichannel solar cell array to storage
The unstable direct current that battery charging and battery generate photovoltaic module to solar inverter load supplying is converted into
Stable DC, therefore photovoltaic controller is played a crucial role during photovoltaic power generation.
In photovoltaic controller in use, charging sometimes for by photovoltaic battery panel to battery, PWM charging modes
It is able to achieve constant-voltage charge, efficiency is higher.But major part charge controller is total cathode traces form at present, and such circuit form must
Cathode ground connection must be carried out, and photovoltaic controller telecommunication circuit, especially pwm signal output circuit use positive altogether, plus earth,
The main purpose done so is preferably to transmit signal the effects of reducing noise jamming, lightning protection, shielding and be used.But this circuit
It can not be charged at present by photovoltaic battery panel to battery, pass through photovoltaic electric to realize in similar this use occasion
The purpose that pond plate charges to battery, it is necessary to develop a kind of charge controller of charging of anode PWM altogether.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide one kind can be realized photovoltaic electric
Pond plate and the battery circuit that anode charges altogether.
In order to achieve the above objects and other related objects, the utility model provides a kind of total anode charging electricity of photovoltaic controller
Road, including photovoltaic battery panel, battery, photovoltaic battery panel include PV forward direction output end, PV negative sense output end, and battery includes storing
Battery positive input, battery negative input, PV forward direction output end are connect with battery positive input, the output of PV negative sense
End is connect with the source electrode of the first metal-oxide-semiconductor, and the drain electrode of the first metal-oxide-semiconductor is connect with the drain electrode of the second metal-oxide-semiconductor, and the source electrode of the 2nd MOS connects
It is connected to battery negative input and the first ground terminal, the gate connected in parallel and and PWM of the grid of the first metal-oxide-semiconductor and the second metal-oxide-semiconductor
The signal output end of signal drive circuit connects.
Preferably, the pwm signal driving circuit includes pwm signal input terminal, and pwm signal input terminal is connected to the first electricity
Resistance, first resistor are connected to the base stage of the first triode, and the emitter of the first triode is connected on voltage output end, and the one or three
The collector of pole pipe is connected to second resistance, and second resistance is connected to the base stage of 3rd resistor, the second triode, and 3rd resistor connects
It is connected to the second ground terminal, the collector of the second triode is connected to the 4th resistance and the 5th resistance, another termination of the 4th resistance
Voltage output end, the other end of the 5th resistance are that the signal output end of pwm signal driving circuit and the grid of the second metal-oxide-semiconductor connect
It connects.
Preferably, the drain electrode of the first metal-oxide-semiconductor, the drain electrode of the second metal-oxide-semiconductor are connected to the second ground terminal.
Preferably, first triode is PNP type triode, and second triode is NPN type triode.
As described above, positive charging circuit has the advantages that the charging circuit is able to achieve to this photovoltaic controller altogether
Anode work altogether can carry out total plus earth operation；Pwm control signal by PV negative input and battery terminal negative it
Between seal in the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q4, by by the source electrode pole of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q4, grid point
It does not link together, realizes that the driving of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q4 uses same one drive circuit, save circuit cost；
Driving circuit section is directly driven using triode, is not needed additionally to increase isolated power supply and driving chip, can be passed through one
Road pwm control signal realizes the purpose of anode PWM charging circuit altogether.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model embodiment.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.
Please refer to Fig. 1.It should be noted that diagram provided in the present embodiment only illustrates that this is practical new in a schematic way
The basic conception of type, only shown in schema then with related component in the utility model rather than package count when according to actual implementation
Mesh, shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its
Assembly layout kenel may also be increasingly complex.
As shown in Figure 1, the utility model provides a kind of photovoltaic controller positive charging circuit altogether, including photovoltaic battery panel 1,
Battery 2, photovoltaic battery panel 1 are equipped with PV forward direction output end PV+, PV negative sense output end PV-, and battery 2 includes accumulator positive
To input terminal BAT+, battery negative input BAT-, wherein PV forward direction output end PV+ and battery positive input BAT+ are straight
It connects in succession, PV negative sense output end PV- is connect with the source electrode of the first metal-oxide-semiconductor Q1, the drain electrode of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q4
Drain electrode connection, the source electrode of the second metal-oxide-semiconductor Q4 is connected to battery negative input BAT- and the first ground terminal GND, the first MOS
The grid of pipe Q1 and the gate connected in parallel of the second metal-oxide-semiconductor Q4 are simultaneously connect with the signal output end of pwm signal driving circuit.
As a kind of specific embodiment, pwm signal driving circuit includes pwm signal input terminal, and pwm signal input terminal connects
It is connected to first resistor R1, first resistor R1 is connected to the base stage of the first triode Q2, and the emitter of the first triode Q2 is connected to
On voltage output end V1, the collector of the first triode Q2 is connected to second resistance R2, and second resistance R2 is connected to 3rd resistor
The base stage of R3, the second triode Q3,3rd resistor R3 are connected to the collector connection of the second ground terminal GND1, the second triode Q3
To the 4th resistance R4 and the 5th resistance R5, another termination voltage output end V2 of the 4th resistance R4, the other end of the 5th resistance R5
It is connect for the signal output end of pwm signal driving circuit with the grid of the second metal-oxide-semiconductor Q4.The drain electrode of first metal-oxide-semiconductor Q1, second
The drain electrode of metal-oxide-semiconductor Q4 is connected to the second ground terminal GND1.
As shown in the figure below using the first triode Q2 as PNP type triode, the second triode Q3 is NPN type triode, right
The working principle of this circuit is introduced.
When driving signal PWM is 0, the first triode Q2 is connected, and such second resistance R2 and the 3rd R3 are to voltage
The voltage of end V1 output is divided, and voltage division signal directly drives the second triode Q3 conducting, after the second triode Q3 conducting, meeting
The collector signal of second triode Q3 is directly dragged down, be also by the driving signal of the 5th resistance R5 in this way it is low, realize the
The closing of one metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q4.
When driving signal PWM is 1, the first triode Q2 is closed, and voltage is pulled to second and connects on such 3rd resistor R3
Ground terminal GND1, the second triode Q3 closing, the voltage of voltage output end V2 output are connected directly to the 5th by the 4th resistance R4
On resistance R5, the voltage of voltage output end V2 output is high voltage with respect to the first ground terminal GND, opposite second ground terminal GND1
It is high voltage, is directly realized by the conducting of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q4.
The anode charging circuit between PV negative input and battery terminal negative by sealing in the first metal-oxide-semiconductor Q1 and second
Metal-oxide-semiconductor Q4 links together the source electrode of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q4, by the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q4
Grid link together；Since the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q4 link together, and with the second ground terminal GND1's
Voltage is consistent；Then the second ground terminal GND1 is connected on the first ground terminal GND by the body diode of the second metal-oxide-semiconductor Q4, the
Pressure difference between two ground terminal GND1 and the first ground terminal GND be GND1=0.7(about)；The reduction of pressure difference can directly lead in this way
The power supply for crossing battery generation drives the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q4, does not need additional isolated power supply；It is real
The switch of the Q1 and the second metal-oxide-semiconductor Q4 of the first metal-oxide-semiconductor are now directly driven by driving signal PWM all the way；Pass through the first metal-oxide-semiconductor Q1
Realize that photovoltaic battery panel 1 inputs to battery 2 and carries out PWM charging with the switch of the second metal-oxide-semiconductor Q4.
The charging circuit is able to achieve total anode work, can carry out total plus earth operation；Pwm control signal passes through in PV
The first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q4 are sealed between negative input and battery terminal negative, by by the first metal-oxide-semiconductor Q1 and
The source electrode pole of two metal-oxide-semiconductor Q4, grid are respectively connected together, and realize the driving of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q4 using same
One drive circuit saves circuit cost；Driving circuit section is directly driven using triode, does not need additionally to increase isolation
Power supply and driving chip can realize the purpose of anode PWM charging circuit altogether by pwm control signal all the way.So this is practical new
Type effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (4)
1. a kind of photovoltaic controller positive charging circuit, including photovoltaic battery panel, battery altogether, photovoltaic battery panel includes PV forward direction
Output end (PV+), PV negative sense output end (PV-), battery include battery positive input (BAT+), storage battery negative to input
It holds (BAT-), it is characterised in that: PV forward direction output end (PV+) is connect with battery positive input (BAT+), the output of PV negative sense
End (PV-) is connect with the source electrode of the first metal-oxide-semiconductor (Q1), and the drain electrode of the first metal-oxide-semiconductor (Q1) and the drain electrode of the second metal-oxide-semiconductor (Q4) connect
It connects, the source electrode of the second metal-oxide-semiconductor (Q4) is connected to battery negative input (BAT-) and the first ground terminal (GND), the first metal-oxide-semiconductor
(Q1) grid and the gate connected in parallel of the second metal-oxide-semiconductor (Q4) are simultaneously connect with the signal output end of pwm signal driving circuit.
2. the total positive charging circuit of photovoltaic controller according to claim 1, it is characterised in that: the pwm signal driving
Circuit includes pwm signal input terminal, and pwm signal input terminal is connected to first resistor (R1), and first resistor (R1) is connected to first
The base stage of triode (Q2), the emitter of the first triode (Q2) are connected on voltage output end (V1), the first triode (Q2)
Collector be connected to second resistance (R2), second resistance (R2) is connected to the base of 3rd resistor (R3), the second triode (Q3)
Pole, 3rd resistor (R3) are connected to the second ground terminal (GND1), and the collector of the second triode (Q3) is connected to the 4th resistance
(R4) and the 5th resistance (R5), another termination voltage output end (V2) of the 4th resistance (R4), the other end of the 5th resistance (R5)
It is connect for the signal output end of pwm signal driving circuit with the grid of the second metal-oxide-semiconductor (Q4).
3. the total positive charging circuit of photovoltaic controller according to claim 1, it is characterised in that: the first metal-oxide-semiconductor (Q1)
Drain electrode, the drain electrode of the second metal-oxide-semiconductor (Q4) are connected to the second ground terminal (GND1).
4. the total positive charging circuit of photovoltaic controller according to claim 2, it is characterised in that: first triode
It (Q2) is PNP type triode, second triode (Q3) is NPN type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821780225.3U CN209088608U (en) | 2018-10-31 | 2018-10-31 | The total positive charging circuit of photovoltaic controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821780225.3U CN209088608U (en) | 2018-10-31 | 2018-10-31 | The total positive charging circuit of photovoltaic controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209088608U true CN209088608U (en) | 2019-07-09 |
Family
ID=67121836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821780225.3U Active CN209088608U (en) | 2018-10-31 | 2018-10-31 | The total positive charging circuit of photovoltaic controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209088608U (en) |
-
2018
- 2018-10-31 CN CN201821780225.3U patent/CN209088608U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102035238B (en) | Solar charging control circuit | |
| CN208571927U (en) | Three level Boost circuits of one kind and inversion system | |
| CN204615647U (en) | Bidirectional up-down pressure DC transfer circuit | |
| CN206099459U (en) | A activation circuit for battery management system | |
| CN206040534U (en) | Relay steps down and keeps drive circuit | |
| CN209001579U (en) | Photovoltaic controller battery reverse connection prevention protection circuit | |
| CN106685223A (en) | High-efficiency, low-ripple and bidirectional Cuk conversion circuit | |
| CN109587881A (en) | A kind of multichannel MPPT control circuit | |
| CN209088608U (en) | The total positive charging circuit of photovoltaic controller | |
| CN202931003U (en) | Battery charging circuit and power supply circuit | |
| CN204652746U (en) | A kind of solar energy controlled LED lamp | |
| CN207010335U (en) | A kind of solar energy low-light TRT | |
| CN206564540U (en) | A kind of quasi- Z source converters of type switching capacity altogether | |
| CN201690251U (en) | Storage battery charging circuit based on photovoltaic power generation | |
| CN205377357U (en) | Charging circuit | |
| CN206195385U (en) | Charging circuit | |
| CN204131149U (en) | A kind of from Portable photovoltaic lithium battery charging device under net state | |
| CN108418295A (en) | A kind of intelligent multi-function portable power source | |
| CN202872639U (en) | Boost circuit | |
| CN203135502U (en) | Portable solar mobile power supply | |
| CN208782557U (en) | A kind of solar charging/discharging control circuit | |
| CN209215467U (en) | Photovoltaic controller input electric cur- rent measure circuit | |
| CN209001628U (en) | The general power supply circuit of photovoltaic controller battery | |
| CN206908515U (en) | A kind of synchronization lifting volt circuit of wide-voltage range input | |
| CN205911758U (en) | Two -way power supply circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |