CN207459762U - A kind of battery control system of photovoltaic clearing apparatus - Google Patents
A kind of battery control system of photovoltaic clearing apparatus Download PDFInfo
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- CN207459762U CN207459762U CN201721222386.6U CN201721222386U CN207459762U CN 207459762 U CN207459762 U CN 207459762U CN 201721222386 U CN201721222386 U CN 201721222386U CN 207459762 U CN207459762 U CN 207459762U
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Abstract
The utility model discloses a kind of battery control systems of photovoltaic clearing apparatus, including photovoltaic panel, master board and battery unit, the master board includes interconnected charge-discharge modules circuit and microcontroller, and the battery unit then includes battery core group and battery control panel, the charge-discharge modules circuit and microcontroller connect respectively with battery control panel, and the output terminal of the photovoltaic panel and charge-discharge modules circuit communication.The utility model is simple in structure, at low cost, and use scope is wide；Battery life is improved, makees overshoot Cross prevention to battery, optimizes the cycle-index of battery, and it is safe, the parameters such as battery current, electricity can be detected, if parameter is abnormal just to set battery without charge and discharge to protect the security of battery and interlock circuit.
Description
Technical field
The utility model is related to a kind of battery control systems, are that a kind of be mounted on photovoltaic clearing apparatus can carry out in real time
Boosting and decompression handle and monitor the device of the parameters such as battery current, electricity, belong to photovoltaic robot control system technical field.
Background technology
With the development of science and technology, people are more and more extensive to the use of solar cell, large-sized photovoltaic power station
Purpose is established also higher and higher to the demand of photovoltaic panel clearing apparatus.Usual photovoltaic plant generally build in the signs of human habitation it is less it is wide not
Area is blocked such as hillside, large-sized workshop roof etc., the cost and difficulty manually safeguarded are all very big, therefore these clean dress
Putting needs using the charge-discharge control system of itself, realizes that photovoltaic panel charges to battery, and battery supplies the development board of clearing apparatus
Electricity, development board control the motor movement of clearing apparatus, a series of this control can be carried out continuously.
Due to geographical environment and the limitation of construction, replacing one-shot battery system needs to expend many human and material resources and financial resources,
And battery is also consumables in itself, service life can change according to charge and discharge system and cycle-index.At this stage using more
Type controller in parallel when battery is fully charged just by the output steering of photovoltaic array to internal power module or parallel resistance,
The form for being converted to thermal energy is disperseed away, and this control mode is only applicable to lower-powered system；Also a kind of tandem type control
Device processed is controlled using relay and charged.Photovoltaic array is cut off when no illumination, suitable for the higher system of power.
In photovoltaic clearing apparatus, battery is used using photovoltaic panel automatic charging so that clearing apparatus moves, and works as photovoltaic panel
Voltage can just charge when being higher than cell voltage, but cannot be the situation that battery charges in continuous several days photovoltaic panels
Under, battery under-voltage will can not work so as to cause clearing apparatus control panel, and the charge-discharge modules on control panel can also fail,
Photovoltaic panel voltage and cell voltage can not just be compared to be normally carried out charge and discharge.
The content of the invention
To solve the deficiencies in the prior art, the purpose of this utility model is to provide it is a kind of it is simple in structure, can automatic boosting,
The battery control system of the photovoltaic clearing apparatus of decompression.
In order to realize above-mentioned target, the utility model adopts the following technical scheme：
A kind of battery control system of photovoltaic clearing apparatus, which is characterized in that including photovoltaic panel, master board and battery list
Member, the master board includes interconnected charge-discharge modules circuit and microcontroller, and the battery unit is then
Including battery core group and battery control panel, the charge-discharge modules circuit and microcontroller connect respectively with battery control panel,
And the output terminal of the photovoltaic panel and charge-discharge modules circuit communication.
Further, above-mentioned microcontroller is the ARM chips of 32 Cortex-M3.
Above-mentioned charge-discharge modules circuit includes 2 feet and 6 feet of light-coupled isolation chip U1, the light-coupled isolation chip U1
Microcontroller is connected to by resistance, 11 feet and 15 feet meet cell voltage VBAT, and 14 feet pass through resistance and metal-oxide-semiconductor Q4 grid phases
Even, 13 feet are connected ground connection with the collector of triode Q1 and the emitter of triode Q3, and 10 feet are connected to triode Q3 by resistance
Base stage, 9 feet be connected to the emitter of triode Q3, the emitter of Q1 and the emitter of Q2 by the grid of resistance and Q5 connect,
The collector of Q3 is connected with the base stage of Q1 and Q2, and the collector of Q3 also passes through the connection of the collector of resistance and Q2 and and cell voltage
VBAT connections, the drain electrode of Q4 and the drain electrode of Q5 are connected respectively by diode with cell voltage VBAT, the source electrode of Q4 and the source of Q5
Extremely be connected ground connection.
And the PORT COM between above-mentioned battery control panel and microcontroller is then TXD and RXD.
The utility model is beneficial in that：The utility model is simple in structure, at low cost, and use scope is wide；It improves
Battery life makees battery overshoot Cross prevention, optimizes the cycle-index of battery, and safe, can detect battery current,
The parameters such as electricity, if parameter is abnormal just to set battery without charge and discharge to protect the security of battery and interlock circuit.
Description of the drawings
Fig. 1 is the structure diagram of one embodiment of the utility model；
Fig. 2 is the circuit diagram of charge-discharge modules circuit described in the utility model；
Fig. 3 connects circuit diagram for battery control panel described in the utility model with the communication of microcontroller.
The meaning of reference numeral in figure：
1st, photovoltaic panel 2, charge-discharge modules circuit 3, microcontroller
4th, battery core group 5, battery control panel 6, battery unit.
Specific embodiment
Make specific introduce to the utility model below in conjunction with the drawings and specific embodiments.
Embodiment
Fig. 1 is the structure diagram of one embodiment of the utility model.
As shown in Figure 1：The battery control system of photovoltaic clearing apparatus, including photovoltaic panel 1, master board and battery unit 6,
Master board includes interconnected charge-discharge modules circuit 2 and microcontroller 3, and battery unit 6 then includes 4 He of battery core group
Battery control panel 5, charge-discharge modules circuit 2 and microcontroller 3 connect respectively with battery control panel 5, and the output of photovoltaic panel 1
End is connected with charge-discharge modules circuit 2, and in the present embodiment, microcontroller 3 is the ARM chips of 32 Cortex-M3, is being filled
The voltage of photovoltaic panel 1, the voltage of battery unit 6 are sampled in discharge module circuit 2, sampled value is sent to microcontroller
3 are compared, and microcontroller 3 sends the lifting that signal controls the voltage of photovoltaic panel 1 by charge-discharge modules circuit 2.
Fig. 2 is the circuit diagram of charge-discharge modules circuit described in the utility model.
As shown in Figure 2：Charge-discharge modules circuit 2 includes light-coupled isolation chip U1,2 feet and 6 feet of light-coupled isolation chip U1
Microcontroller is connected to by resistance, 11 feet and 15 feet meet cell voltage VBAT, and 14 feet pass through resistance and metal-oxide-semiconductor Q4 grid phases
Even, 13 feet are connected ground connection with the collector of triode Q1 and the emitter of triode Q3, and 10 feet are connected to triode Q3 by resistance
Base stage, 9 feet be connected to the emitter of triode Q3, the emitter of Q1 and the emitter of Q2 by the grid of resistance and Q5 connect,
The collector of Q3 is connected with the base stage of Q1 and Q2, and the collector of Q3 also passes through the connection of the collector of resistance and Q2 and and cell voltage
VBAT connections, the drain electrode of Q4 and the drain electrode of Q5 are connected respectively by diode with cell voltage VBAT, the source electrode of Q4 and the source of Q5
Extremely be connected ground connection.
The voltage of photovoltaic panel 1 can be realized when being more than the voltage of battery unit 6 charges normal function, the voltage of photovoltaic panel 1
Less than battery unit 6 voltage when, metal-oxide-semiconductor Q4 is turned off at this time, and metal-oxide-semiconductor Q5 conductings, the voltage of battery unit 6 is defeated by Q2, Q3
Go out opposite levels to be input in light-coupled isolation chip U1, SUN2 low levels, SUN2 send PWM wave, and to microcontroller, circuit is realized
Decompression, battery unit 6 will not do work to photovoltaic panel 1；The low pressure of battery unit 6 can not be charge-discharge modules circuit 2
During power supply, the voltage of photovoltaic panel 1 is more than the voltage of battery unit 6, and Q4 is opened, and SUN1 send PWM wave to microcontroller 3, circuit
Realize boosting, circuit can work.Circuit by this be connected to battery unit 6 voltage it is very low when can also automatically open work
Make loop, realize charge function.
Fig. 3 connects circuit diagram for battery control panel described in the utility model with the communication of microcontroller.
As shown in figure 3, in the present embodiment, the PORT COM between battery control panel 5 and microcontroller 3 is then TXD
And RXD.
Charge-discharge modules circuit 2 can be real to the voltage of photovoltaic panel 1 and the voltage sample of battery unit 6 in the present embodiment
When the voltage of photovoltaic panel 1 is controlled, reach overshoot Cross prevention effect, can not be able to be miniature in 6 low pressure of battery unit
Controller 3 carries out circuit boosting in the case of powering and reopens work loop.And for the battery control of photovoltaic clearing apparatus
For system processed, the communication between microcontroller 3 and battery control panel 5, by showing the ginsengs such as electric current, electricity on host computer
It counts to show.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution is all fallen in protection scope of the present invention.
Claims (3)
1. a kind of battery control system of photovoltaic clearing apparatus, which is characterized in that including photovoltaic panel, master board and battery list
Member, the master board includes interconnected charge-discharge modules circuit and microcontroller, and the battery unit is then
Including battery core group and battery control panel, the charge-discharge modules circuit and microcontroller connect respectively with battery control panel,
And the output terminal of the photovoltaic panel and charge-discharge modules circuit communication, the charge-discharge modules circuit include light-coupled isolation core
2 feet and 6 feet of piece U1, the light-coupled isolation chip U1 are connected to microcontroller by resistance, and 11 feet and 15 feet connect battery electricity
VBAT is pressed, 14 feet are connected by resistance with metal-oxide-semiconductor Q4 grids, 13 feet and the collector of triode Q1 and the emitter of triode Q3
Be connected ground connection, and 10 feet are connected to the base stage of triode Q3 by resistance, and 9 feet are connected to the emitter of triode Q3, the emitter of Q1 and
The emitter of Q2 is connected by the grid of resistance and Q5, and the collector of Q3 is connected with the base stage of Q1 and Q2, and the collector of Q3 is also logical
The collector for crossing resistance and Q2 is connected and be connected with cell voltage VBAT, the drain electrode of Q4 and the drain electrode of Q5 respectively by diode and
Cell voltage VBAT connections, the source electrode of Q4 and the source electrode of Q5 are connected ground connection.
2. the battery control system of photovoltaic clearing apparatus according to claim 1, which is characterized in that the miniature control
Device is the ARM chips of 32 Cortex-M3.
3. the battery control system of photovoltaic clearing apparatus according to claim 1, which is characterized in that the battery control
PORT COM between plate and microcontroller is TXD and RXD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721222386.6U CN207459762U (en) | 2017-09-22 | 2017-09-22 | A kind of battery control system of photovoltaic clearing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721222386.6U CN207459762U (en) | 2017-09-22 | 2017-09-22 | A kind of battery control system of photovoltaic clearing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207459762U true CN207459762U (en) | 2018-06-05 |
Family
ID=62283783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721222386.6U Active CN207459762U (en) | 2017-09-22 | 2017-09-22 | A kind of battery control system of photovoltaic clearing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207459762U (en) |
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2017
- 2017-09-22 CN CN201721222386.6U patent/CN207459762U/en active Active
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