CN209447979U - A kind of solar street light lithium battery BMS active equalization charger backplate - Google Patents
A kind of solar street light lithium battery BMS active equalization charger backplate Download PDFInfo
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- CN209447979U CN209447979U CN201920331672.9U CN201920331672U CN209447979U CN 209447979 U CN209447979 U CN 209447979U CN 201920331672 U CN201920331672 U CN 201920331672U CN 209447979 U CN209447979 U CN 209447979U
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- Prior art keywords
- lithium battery
- bms
- street light
- control switch
- solar street
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of solar street light lithium battery BMS active equalization charger backplates; it is related to solar street light lithium battery BMS active equalization charge protection field; to solve to make in the prior art charging effect more and faster; need will be electricity the problem of being transferred to few upper of electricity, carry out intensified charging effect with this more.Positive terminal is provided on the upper end outer surface of the battery-pack exterior casing body, the side of the positive terminal is provided with anode connector, the battery-pack exterior casing body is internally provided with conductive sheet, and there are two conductive sheets, the side of the conductive sheet is provided with lithium battery, and there are three lithium batteries, the side of the lithium battery is provided with BMS shell, and there are three BMS shells, the BMS shell is internally provided with current sensor, the side of the current sensor is provided with circuit protection plate, the circuit protection plate is internally provided with circuit control chip, the side of the circuit control chip is provided with the first charging control switch.
Description
Technical field
The utility model relates to solar street light lithium battery BMS active equalization charge protection field, specially a kind of sun
Energy streetlight lithium battery BMS active equalization charger backplate.
Background technique
Daytime, solar street light was under the control of intelligent controller, and solar panel passes through the irradiation of sunlight, absorbed
Solar energy is simultaneously converted into electric energy, daytime solar module to battery charging, evening battery group supplies electrical power to LED
Lamp source power supply, realizes illumination functions, has that stability is good, the service life is long, luminous efficiency is high, and installation maintenance is easy, security performance
Height, energy conservation and environmental protection, it is economical and practical the advantages that；It can be widely applied to city primary and secondary arterial highway, cell, factory, tourist attractions, parking
The places such as field.
Existing solar street light lithium battery is mostly passive balanced mode, wherein passive balanced mainly that electricity is more
Electricity reach balanced by resistance consumption, in order to enable charging effect more and faster, needs that electricity will be transferred to electricity more
It measures few upper, intensified charging effect is come with this；Therefore market in urgent need is developed a kind of solar street light lithium battery BMS active equalization and is filled
Electric protection plate is existing to help people to solve the problems, such as.
Utility model content
The purpose of this utility model is to provide a kind of solar street light lithium battery BMS active equalization charger backplate, with
Solve it is mentioned above in the background art in order to enable charging effect more and faster, need by more than electricity to be transferred to electricity few
Upper, the problem of intensified charging effect is come with this.
To achieve the above object, the utility model provides the following technical solutions: a kind of solar street light lithium battery BMS active
Equalizaing charge protection board, including battery-pack exterior casing body are provided with positive terminal on the upper end outer surface of the battery-pack exterior casing body,
The side of the positive terminal is provided with anode connector, and the battery-pack exterior casing body is internally provided with conductive sheet, and conductive sheet
There are two, the side of the conductive sheet is provided with lithium battery, and there are three lithium batteries, and the side of the lithium battery is provided with BMS
Shell, and there are three BMS shells, the BMS shell is internally provided with current sensor, and the side of the current sensor is set
It is equipped with circuit protection plate, the circuit protection plate is internally provided with circuit control chip, the side of the circuit control chip
It is provided with the first charging control switch, the side of first charging control switch is provided with the second charging control switch, described
It is provided with overcurrent protection device below BMS shell, the overcurrent protection device is internally provided with PMOS tube, and the one of the PMOS tube
Side is provided with protective resistance.
Preferably, the BMS shell is connected in parallel with lithium battery, is connected in series between the lithium battery, the BMS shell
Between be connected in series, and the corresponding BMS shell of lithium battery.
Preferably, the output end of first charging control switch is connected with the input terminal of PMOS tube, the PMOS tube with
Protective resistance is connected in parallel.
Preferably, the current sensor is connected in parallel with lithium battery, and the current sensor is in parallel with circuit protection plate
Connection.
Preferably, first charging control switch and the second charging control switch with the output end of circuit control chip
It is electrically connected, and the first charging control switch is not closed at the second charging control switch.
Preferably, one end of the positive terminal and anode connector is respectively arranged with a conductive sheet, the overcurrent protection
The both ends of device are electrically connected with positive terminal and anode connector respectively.
Compared with prior art, the utility model has the beneficial effects that
1, by installing a BMS shell in one end of each lithium battery, this measure can make each the utility model
The charging of a lithium battery can be controlled, and can play the role of protection to each lithium battery.
2, for the utility model by the way that current sensor is arranged in the inside of BMS shell, current sensor is in parallel with lithium battery
Connection, this measure can make current sensor in real time to enter lithium battery electric current detect, once detection data with
When reduced value has differences, current sensor can be transmitted a signal in circuit control chip.
3, the utility model passes through the input terminal of the output end of the first charging control switch and next BMS shell is electrical
Connection, when the electricity in one of lithium battery is full of, circuit control chip controls the first charging control switch and is closed, and second
Charging control switch disconnects, and this measure can make solar panels only charge to the lithium battery of underfill electricity, and charging can be improved
Effect and speed.
4, the utility model is arranged protective resistance in the inside of overcurrent protection device, is being protected by setting overcurrent protection device
PMOS tube is arranged in the side of resistance, therefore when three lithium batteries have been filled with electricity, the first charge control being connected with PMOS tube
It closes the switch so that PMOS tube is connected, protective resistance and external charging power supply form closed circuit at this time, electric current are consumed, thus right
Whole circuit plays a protective role.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the BMS interior of shell structural schematic diagram of the utility model；
Fig. 3 is the overcurrent protection device schematic diagram of internal structure of the utility model；
Fig. 4 is the circuit protection intralamellar part structural schematic diagram of the utility model.
In figure: 1, battery-pack exterior casing body；2, conductive sheet；3, positive terminal；4, anode connector；5, overcurrent protection device；6,BMS
Shell；7, lithium battery；8, circuit protection plate；9, current sensor；10, PMOS tube；11, protective resistance；12, circuit control core
Piece；13, the first charging control switch；14, the second charging control switch.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Please refer to Fig. 1-4, a kind of embodiment provided by the utility model: a kind of solar street light lithium battery BMS is actively equal
Weigh charger backplate, including battery-pack exterior casing body 1, is provided with positive terminal 3 on the upper end outer surface of battery-pack exterior casing body 1, just
The side of pole connector 3 is provided with anode connector 4, and battery-pack exterior casing body 1 is internally provided with conductive sheet 2, and conductive sheet 2 has two
A, the side of conductive sheet 2 is provided with lithium battery 7, and there are three lithium batteries 7, and the side of lithium battery 7 is provided with BMS shell 6, and
There are three BMS shells 6, and BMS shell 6 is internally provided with current sensor 9, and the side of current sensor 9 is provided with circuit guarantor
Backplate 8, circuit protection plate 8 are internally provided with circuit control chip 12, and the side of circuit control chip 12 is provided with first and fills
Electric control switch 13, the side of the first charging control switch 13 are provided with the second charging control switch 14, the lower section of BMS shell 6
It is provided with overcurrent protection device 5, overcurrent protection device 5 is internally provided with PMOS tube 10, and the side of PMOS tube 10 is provided with protection electricity
Resistance 11.
Further, BMS shell 6 is connected in parallel with lithium battery 7, is connected in series between lithium battery 7, is connected between BMS shell 6
Connection, and the corresponding BMS shell 6 of a lithium battery 7, so that each lithium battery 7 can obtain independent protection.
Further, the output end of the first charging control switch 13 is connected with the input terminal of PMOS tube 10, PMOS tube 10 and guarantor
Shield resistance 11 is connected in parallel.
Further, current sensor 9 is connected in parallel with lithium battery 7, and current sensor 9 is connected in parallel with circuit protection plate 8.
Further, the output of the first charging control switch 13 and the second charging control switch 14 with circuit control chip 12
End is electrically connected, and the first charging control switch 13 is not closed at the second charging control switch 14.
Further, one end of positive terminal 3 and anode connector 4 is respectively arranged with a conductive sheet 2, overcurrent protection device 5
Both ends are electrically connected with positive terminal 3 and anode connector 4 respectively.
Working principle: in use, when solar irradiation is on solar panels, solar panels generate electric current to lithium battery 7 into
Row charging, due to being respectively provided with a BMS shell 6 in one end of each lithium battery 7, is internally provided with electric current in BMS shell 6
Sensor 9, wherein the installation of current sensor 9 in the charge circuit, can detect the electric current flowed into lithium battery 7 in real time,
Current sensor 9 and circuit control chip 12 are electrically connected simultaneously, therefore when current sensor 9 detects the electric current mistake in circuit
When big, circuit control chip 12 controls the second charging control switch 14 and disconnects, while the first charging control switch 13 is closed,
Electric current flows into next lithium battery 7 at this time, and after all lithium batteries 7 are each filled with electricity, first connect with PMOS tube is filled
Electric control switch 13 is closed, and lithium batteries 7 all at this time does not recharge, while protective resistance 11 and external power supply are formed and be closed
Circuit consumes electric current and plays a protective role to whole circuit.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of solar street light lithium battery BMS active equalization charger backplate, including battery-pack exterior casing body (1), feature exists
In: it is provided with positive terminal (3) on the upper end outer surface of the battery-pack exterior casing body (1), the side of the positive terminal (3) is set
It is equipped with anode connector (4), the battery-pack exterior casing body (1) is internally provided with conductive sheet (2), and there are two conductive sheets (2), institute
The side for stating conductive sheet (2) is provided with lithium battery (7), and there are three lithium batteries (7), and the side of the lithium battery (7) is provided with
BMS shell (6), and there are three BMS shells (6), the BMS shell (6) is internally provided with current sensor (9), the electricity
The side of flow sensor (9) is provided with circuit protection plate (8), and the circuit protection plate (8) is internally provided with circuit control core
The side of piece (12), the circuit control chip (12) is provided with the first charging control switch (13), first charge control
The side of switch (13) is provided with the second charging control switch (14), is provided with overcurrent protection device below the BMS shell (6)
(5), the overcurrent protection device (5) is internally provided with PMOS tube (10), and the side of the PMOS tube (10) is provided with protection electricity
It hinders (11).
2. a kind of solar street light lithium battery BMS active equalization charger backplate according to claim 1, feature exist
In: the BMS shell (6) is connected in parallel with lithium battery (7), is connected in series between the lithium battery (7), the BMS shell (6)
Between be connected in series, and the corresponding BMS shell (6) of lithium battery (7).
3. a kind of solar street light lithium battery BMS active equalization charger backplate according to claim 1, feature exist
In: the output end of first charging control switch (13) is connected with the input terminal of PMOS tube (10), the PMOS tube (10) with
Protective resistance (11) is connected in parallel.
4. a kind of solar street light lithium battery BMS active equalization charger backplate according to claim 1, feature exist
In: the current sensor (9) is connected in parallel with lithium battery (7), and the current sensor (9) is in parallel with circuit protection plate (8)
Connection.
5. a kind of solar street light lithium battery BMS active equalization charger backplate according to claim 1, feature exist
In: first charging control switch (13) and the output end of the second charging control switch (14) with circuit control chip (12)
It is electrically connected, and the first charging control switch (13) is not closed at the second charging control switch (14).
6. a kind of solar street light lithium battery BMS active equalization charger backplate according to claim 1, feature exist
In: one end of the positive terminal (3) and anode connector (4) is respectively arranged with a conductive sheet (2), the overcurrent protection device
(5) both ends are electrically connected with positive terminal (3) and anode connector (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920331672.9U CN209447979U (en) | 2019-03-15 | 2019-03-15 | A kind of solar street light lithium battery BMS active equalization charger backplate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920331672.9U CN209447979U (en) | 2019-03-15 | 2019-03-15 | A kind of solar street light lithium battery BMS active equalization charger backplate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209447979U true CN209447979U (en) | 2019-09-27 |
Family
ID=68033936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920331672.9U Active CN209447979U (en) | 2019-03-15 | 2019-03-15 | A kind of solar street light lithium battery BMS active equalization charger backplate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209447979U (en) |
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2019
- 2019-03-15 CN CN201920331672.9U patent/CN209447979U/en active Active
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