CN109713747A - Intelligence control system is used in a kind of charging of lithium battery - Google Patents
Intelligence control system is used in a kind of charging of lithium battery Download PDFInfo
- Publication number
- CN109713747A CN109713747A CN201811570546.5A CN201811570546A CN109713747A CN 109713747 A CN109713747 A CN 109713747A CN 201811570546 A CN201811570546 A CN 201811570546A CN 109713747 A CN109713747 A CN 109713747A
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- Prior art keywords
- lithium battery
- charging
- circuit
- electrically connected
- lithium
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
A kind of lithium battery charging intelligence control system, lithium battery include lithium battery protection board and Universal lithium-cell charge and discharge electrical interface, and intelligence control system includes several the concatenated charhing units of the lithium battery controller being set on lithium battery and setting on the charging device；Lithium battery controller is electrically connected with lithium battery protection board and Universal lithium-cell charge and discharge electrical interface; lithium battery controller includes MCU; MCU is electrically connected with GPS module, power-switching circuit, interface circuit and the first telecommunication circuit; power-switching circuit and interface circuit are electrically connected with lithium battery protection board, and the first telecommunication circuit is electrically connected with Universal lithium-cell charge and discharge electrical interface；Charhing unit includes lithium battery charger and charging panel, and charging panel includes charging detecting circuit, power supply and bus communication circuitry and the second telecommunication circuit.The present invention can effectively improve the safety of charging process.
Description
Technical field
The present invention relates to lithium battery charging technique field, intelligence control system is used in specifically a kind of lithium battery charging.
Background technique
For electric bicycle, because indoor charging takes place frequently, fire, more ground government have begun requirement and prohibit battery-operated motor cycle
It only charges indoors, future, which is also possible to requirement, to charge in designated place.
In the prior art, industry general electric vehicle battery charging and discharging interface is as shown in Figure 1, use the AC power supplies of standard
Interface.
Usual lithium battery interior needs protection circuit, and protects circuit that can be controlled with a pair of back-to-back NMOSFET
The switch of charging and discharging, this switch is connected on the cathode of battery, causes to lead between charging circuit and protection circuit
It cannot use the cathode of battery as reference ground when letter, and need to use the anode of battery as with reference to ground.
For cost-saving, the charging circuit of existing lithium battery can also use NMOSFET as switching tube, but in this way
As soon as the ground for output of charging becomes floating ground, cannot more be used as with reference to ground.
Summary of the invention
In order to solve deficiency in the prior art, the present invention provides a kind of lithium battery charging intelligence control system, can
Effectively improve the safety of charging process.
To achieve the goals above, the present invention use the specific scheme is that a kind of lithium battery charging intelligence control system,
The lithium battery includes lithium battery protection board and Universal lithium-cell charge and discharge electrical interface, and the intelligence control system includes being set to institute
State several the concatenated charhing units of lithium battery controller and setting on the charging device on lithium battery；
The lithium battery controller is electrically connected with the lithium battery protection board and the Universal lithium-cell charge and discharge electrical interface, institute
Stating lithium battery controller includes MCU, and the MCU is electrically connected with GPS module, power-switching circuit, interface circuit and the first communication
Circuit, the power-switching circuit and the interface circuit are electrically connected with the lithium battery protection board, first telecommunication circuit
It is electrically connected with the Universal lithium-cell charge and discharge electrical interface；
The charhing unit includes lithium battery charger and charging panel, and the charging panel includes charging detection electricity
Road, power supply and bus communication circuitry and the second telecommunication circuit, the charging detecting circuit are electrically connected with the lithium battery charger,
The power supply and bus communication circuitry are used to connect two charging panels, second telecommunication circuit with it is described general
The electrical connection of charging and discharging lithium battery interface.
The Universal lithium-cell charge and discharge electrical interface is set as AC socket, and the Universal lithium-cell charge and discharge electrical interface includes that NC draws
Foot, first telecommunication circuit and second telecommunication circuit are electrically connected with the NC pin.
The lithium battery controller includes NAD module, and the NAD module is electrically connected with the MCU.
The lithium battery charger includes that switch and output interface, the switch are electrically connected with the charging panel, institute
Output interface is stated to be electrically connected with the charging detecting circuit.
The charging panel includes lockset control circuit, and the lockset control circuit is electrically connected with lockset, the lockset
For opening wide or closing the lithium battery charger, the lockset control circuit is used to detect the state of the lockset, opens
The lockset or the locking lockset.
The charging panel includes infrared sensor.
Control host and 12V power supply are electrically connected with after several described charhing unit series connection.
The present invention can confirm lithium battery, so as to effectively avoid because lithium battery and charhing unit mismatch
It causes lithium battery to damage, and then avoids because lithium battery is damaged and on fire causes personnel's property loss.Also, the present invention utilizes GPS
Module can position in real time lithium battery, so that assisted electric vehicle is antitheft.In addition, the present invention is by charging panel to filling
Electric process is accurately controlled, and can be effectively applied in leasing market, provides convenience for charging lease service.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
The schematic diagram of the existing Universal lithium-cell charge and discharge electrical interface of Fig. 1；
Fig. 2 is the structural block diagram of lithium battery controller of the present invention；
Fig. 3 is the structural block diagram of charhing unit of the present invention；
Fig. 4 is the circuit diagram of the second telecommunication circuit in the embodiment of the present invention；
Fig. 5 is the circuit diagram of the first telecommunication circuit in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The schematic diagram of the existing Universal lithium-cell charge and discharge electrical interface of Fig. 1 to 3, Fig. 1 is please referred to, Fig. 2 is lithium battery of the present invention
The structural block diagram of controller, Fig. 3 are the structural block diagrams of charhing unit of the present invention.
A kind of lithium battery charging intelligence control system, lithium battery includes lithium battery protection board and Universal lithium-cell charge and discharge
Interface, intelligence control system include several strings of the lithium battery controller being set on lithium battery and setting on the charging device
The charhing unit of connection.
Lithium battery controller is electrically connected with lithium battery protection board and Universal lithium-cell charge and discharge electrical interface, lithium battery controller packet
Include MCU, MCU is electrically connected with GPS module, power-switching circuit, interface circuit and the first telecommunication circuit, power-switching circuit and connects
Mouth circuit is electrically connected with lithium battery protection board, and the first telecommunication circuit is electrically connected with Universal lithium-cell charge and discharge electrical interface.
Charhing unit includes lithium battery charger and charging panel, and charging panel includes charging detecting circuit, power supply
With bus communication circuitry and the second telecommunication circuit, charging detecting circuit is electrically connected with lithium battery charger, power supply and bus communication
Circuit is used to connect two charging panels, and the second telecommunication circuit is electrically connected with Universal lithium-cell charge and discharge electrical interface.
In the use of the present invention, the lithium battery of electric vehicle connects one to one with charhing unit, and after connection, charge control
Legitimacy confirmation is completed by the second telecommunication circuit and the first telecommunication circuit between plate and lithium battery controller, that is, confirms lithium electricity
Pond is legal, and electric parameter matches with charhing unit, starts to charge after confirming successfully, by confirming process,
It can effectively avoid because lithium battery causes lithium battery to damage with charhing unit mismatch, and then avoids because lithium battery is damaged
Fire causes personnel's property loss.Also, the present invention can position in real time lithium battery using GPS module, to assist electricity
Motor-car is antitheft.In addition, the present invention accurately controls charging process by charging panel, it can effectively be applied to lease city
In, convenience is provided for charging lease service.
Further, Universal lithium-cell charge and discharge electrical interface is set as AC socket, and Universal lithium-cell charge and discharge electrical interface includes NC
Pin and positive and negative pin, wherein positive and negative pin is used to charge to lithium battery, and what NC pin usually left unused, therefore this hair
Bright the first telecommunication circuit and the second telecommunication circuit is electrically connected with NC pin, is realized communication process by NC pin, is not necessarily to two
Outer increase auxiliary device, reduces overall cost, and is conducive to carry out upgrading to existing charge control system.
Further, lithium battery controller includes NAD module, and NAD module is electrically connected with MCU, passes through NAD module, this hair
It is bright to be linked into Internet of things system, to realize the long-range monitoring to lithium battery state and charhing unit state, improve peace
Quan Xing, and be conducive to big data needed for obtaining market, step up reliability of the invention.
Further, lithium battery charger includes switch and output interface, and switch is electrically connected with charging panel, and output connects
Mouth is electrically connected with charging detecting circuit.After authenticating successfully, charging panel control switch is opened, and enables lithium battery charger
Enough to charge to lithium battery, charging panel control switch is closed after charging finishes, and is cut off the power, on the one hand can in time
Waste of energy is avoided, on the other hand lithium battery can be pasted well.Charging detecting circuit is defeated for real-time detection output interface
The parameters of electric energy out, such as electric current and voltage etc..
Further, charging panel includes lockset control circuit, and lockset control circuit is electrically connected with lockset, and lockset is used for
Perhaps closing lithium battery charger lockset control circuit is opened wide to be used to detect the state of lockset, open lockset or locking lockset.
In the present embodiment, charhing unit can be arranged in a charging cabinet, then lockset is for controlling opening for charging cabinet cabinet door
It opens and closes, the region of fixed charge position is provided with for cell etc., can be assisted by control lockset switch to electric vehicle
It is identified, for charging lease service, going on smoothly for lease service can be guaranteed by control lockset switch.Into
And charging panel includes infrared sensor, infrared sensor is for detecting in charging cabinet whether have foreign matter, to guarantee charging cabinet
Stable operation.
Further, control host and 12V power supply are electrically connected with after the series connection of several charhing units.
Further, in the present invention, lithium battery protection board includes that over-voltage circuit for detecting, overcurrent circuit for detecting, short circuit are detectd
Slowdown monitoring circuit and under-voltage circuit for detecting, are the conventional means of this field, repeat no more.
The present embodiment also provides the feasible scheme of a kind of first telecommunication circuit and the second telecommunication circuit, please refer to Fig. 4 and
5, Fig. 4 be the circuit diagram of the second telecommunication circuit in the embodiment of the present invention, and Fig. 5 is the electricity of the first telecommunication circuit in the embodiment of the present invention
Lu Tu.
Specific communication process may include following four parts.
First part.
When the LOGIC_INPUT at charhing unit end input is high, hair is connected in the transmitting tube of triode Q1 conducting, optocoupler D1
Light, then reception pipe is connected, reception pipe of the electric current of anode followed by D1, the transmitting tube of optocoupler D2, resistance R3, finally
It is flowed out from BAT_SIGNAL, then passes through the fuse F1 at lithium battery end, current-limiting resistance R5, divider resistance R6, R7 reach battery
Cathode (Q2 is necessary for by state at this time).Voltage after R6, R7 partial pressure exports high level by current-limiting resistance R8.It completes at this time
Charhing unit end output height -> lithium battery end exports high communication.
Second part.
When the LOGIC_INOUT at charhing unit end input is low, triode Q1 is by optocoupler D1 transmitting tube does not shine, D1
Reception pipe by, the R6 at lithium battery end, R7 partial pressure be zero, complete charhing unit end export low -> lithium battery end export it is low
Communication.
Part III.
When the LOGIC_INPUT at lithium battery end input is high, Q2 conducting, if the LOGIC_ at charhing unit end at this time
INPUT also inputs height, then reception pipe of the battery current followed by the optocoupler D1 at charhing unit end, the transmitting tube of optocoupler D2, electricity
R3, the fuse F1 at lithium battery end, the CE of current-limiting resistance R5, Q2 are hindered, since Q2 is connected, the electric current of the transmitting tube of optocoupler D2 reaches
The threshold value of switch, the reception pipe conducting of optocoupler D2, the emitter of the D2 at control panel end export height, complete the output of lithium battery end
Height -> control panel end exports high communication.
Part IV.
When the LOGIC_INPUT at lithium battery end input is low, Q2 is by even if the LOGIC_INPUT at charhing unit end is still
So output is high, then with logic one, at this time due to R3, R6, R7 all-in resistance is sufficiently high so that the transmitting tube of optocoupler D2 is not enough to drive
The transmitting tube output of reception pipe conducting, the optocoupler D2 at charhing unit end is low, completes lithium battery end and exports low -> charhing unit end
Export low communication.
The control terminal and electricity of isolation may be implemented using the structure of the present embodiment for first telecommunication circuit and the second telecommunication circuit
The simplex communication of Chi Duan, and only isolation design is realized at charhing unit end, it is non-isolated design at lithium battery end, so as to
It is not influenced to be communicated by electric power loop.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of lithium battery charging intelligence control system, the lithium battery includes lithium battery protection board and Universal lithium-cell charge and discharge
Electrical interface, it is characterised in that: the intelligence control system includes the lithium battery controller being set on the lithium battery and setting
Several concatenated charhing units on the charging device；
The lithium battery controller is electrically connected with the lithium battery protection board and the Universal lithium-cell charge and discharge electrical interface, the lithium
Battery controller includes MCU, and the MCU is electrically connected with GPS module, power-switching circuit, interface circuit and the first telecommunication circuit,
The power-switching circuit and the interface circuit are electrically connected with the lithium battery protection board, first telecommunication circuit with it is described
The electrical connection of Universal lithium-cell charge and discharge electrical interface；
The charhing unit includes lithium battery charger and charging panel, the charging panel include charging detecting circuit,
Power supply and bus communication circuitry and the second telecommunication circuit, the charging detecting circuit are electrically connected with the lithium battery charger, institute
It states power supply and is used to connect two charging panels with bus communication circuitry, second telecommunication circuit and the general lithium
The electrical connection of battery charging and discharging interface.
2. a kind of lithium battery charging intelligence control system as described in claim 1, the Universal lithium-cell charge and discharge electrical interface
Be set as AC socket, the Universal lithium-cell charge and discharge electrical interface includes NC pin, it is characterised in that: first telecommunication circuit and
Second telecommunication circuit is electrically connected with the NC pin.
3. a kind of lithium battery charging intelligence control system as described in claim 1, it is characterised in that: the lithium battery control
Device includes NAD module, and the NAD module is electrically connected with the MCU.
4. a kind of lithium battery charging intelligence control system as described in claim 1, the lithium battery charger includes switch
And output interface, it is characterised in that: the switch is electrically connected with the charging panel, and the output interface and the charging are examined
Slowdown monitoring circuit electrical connection.
5. a kind of lithium battery charging intelligence control system as described in claim 1, it is characterised in that: the charging panel
Including lockset control circuit, the lockset control circuit is electrically connected with lockset, and the lockset is for opening wide or closing the lithium
Battery charger, the lockset control circuit are used to detect the state of the lockset, open the lockset or the locking lock
Tool.
6. a kind of lithium battery charging intelligence control system as described in claim 1, it is characterised in that: the charging panel
Including infrared sensor.
7. a kind of lithium battery charging intelligence control system as described in claim 1, it is characterised in that: several described chargings
Control host and 12V power supply are electrically connected with after unit series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570546.5A CN109713747B (en) | 2018-12-21 | 2018-12-21 | Intelligent control system for lithium battery charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570546.5A CN109713747B (en) | 2018-12-21 | 2018-12-21 | Intelligent control system for lithium battery charging |
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| CN109713747A true CN109713747A (en) | 2019-05-03 |
| CN109713747B CN109713747B (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811570546.5A Active CN109713747B (en) | 2018-12-21 | 2018-12-21 | Intelligent control system for lithium battery charging |
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Cited By (3)
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| CN112260380A (en) * | 2020-10-13 | 2021-01-22 | 浙江工业大学 | Environmental energy acquisition and management system suitable for wireless sensing node |
| CN113022373A (en) * | 2021-04-08 | 2021-06-25 | 雅迪科技集团有限公司 | Battery parameter acquisition method and device, battery and storage medium |
| CN117075018A (en) * | 2023-07-20 | 2023-11-17 | 深圳运存科技有限公司 | BMS control panel capability test intelligent analysis management system |
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| CN117075018B (en) * | 2023-07-20 | 2024-04-16 | 深圳运存科技有限公司 | BMS control panel capability test intelligent analysis management system |
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