CN205693416U - A kind of lithium battery automatic charge device - Google Patents
A kind of lithium battery automatic charge device Download PDFInfo
- Publication number
- CN205693416U CN205693416U CN201620436426.6U CN201620436426U CN205693416U CN 205693416 U CN205693416 U CN 205693416U CN 201620436426 U CN201620436426 U CN 201620436426U CN 205693416 U CN205693416 U CN 205693416U
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- CN
- China
- Prior art keywords
- circuit
- connects
- lithium battery
- changer
- interface card
- 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.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
nullThis utility model relates to a kind of lithium battery automatic charge device，Including: rectified three-phase circuit (1)、Input filter circuit (2)、DC DC/DC changer (3)、Output filter circuit (4)、Lithium battery (5)、Digital Signal Processing dsp controller (6)、Liquid crystal display circuit (7)、Data acquisition circuit (8)、Failure alarm circuit (9) and controller local area network's CAN interface card (10)，Wherein，Described dsp controller (6) connects data acquisition circuit (8) respectively、Liquid crystal display circuit (7)、Failure alarm circuit (9)、CAN interface card (10)，Described rectified three-phase circuit (1) connects input filter circuit (2)，Described input filter circuit (2) connects DC/DC changer (3)，Described DC/DC changer (3) connects output filter circuit (4)，Described output filter circuit (4) connects lithium battery (5)；Described DC/DC changer (3) connects CAN interface card (10).Achieve charging device fault automatically identify and process.
Description
Technical field
This utility model relates to automatic charge device field, particularly relates to a kind of lithium battery automatic charge device.
Background technology
Having extended cycle life of lithium battery, charging rate is very fast, and high-temperature behavior is good, does not has the superior functions such as memory effect, makes
It is widely used in pure electric automobile.But the current charger being currently specifically designed for lithium battery is poor, and charging sets
Standby dumb.
Utility model content
The purpose of this utility model is to provide a kind of lithium battery automatic charge device, mainly solves above-mentioned prior art institute
The defect existed, it is achieved charging is flexibly.
For solving above-mentioned technical problem, this utility model is realized in.
This utility model one lithium battery automatic charge device, including: rectified three-phase circuit (1), input filter circuit
(2), DC-to-dc DC/DC changer (3), output filter circuit (4), lithium battery (5), Digital Signal Processing dsp controller
(6), liquid crystal display circuit (7), data acquisition circuit (8), failure alarm circuit (9) and controller local area network's CAN connect
Mouth card (10), wherein, described dsp controller (6) connects data acquisition circuit (8), liquid crystal display circuit (7), fault report respectively
Alert circuit (9), CAN interface card (10), described rectified three-phase circuit (1) connects input filter circuit (2), described input filter
Wave circuit (2) connects DC/DC changer (3), and described DC/DC changer (3) connects output filter circuit (4), described output filter
Wave circuit (4) connects lithium battery (5)；Described DC/DC changer (3) connects CAN interface card (10).
Further, described data acquisition circuit (8) is by voltage sensor, current sensor, temperature sensor and signal
Modulate circuit forms.
Further, described failure alarm circuit (9) includes protection circuit and sound warning circuit.
Further, by described CAN interface card between described dsp controller (6) and DC/DC changer (3)
(10) it is connected.
By said structure, this utility model advantage compared with existing product is:
After lithium battery is connected in circuit, first it is pre-charged, gathers lithium battery by data acquisition circuit
The data collected are analyzed, calculate the charging voltage required for lithium battery and electricity by the information such as voltage, electric current and temperature
The data such as stream, automatically select suitable charging modes.By CAN communication automatically control DC/DC changer output relevant voltage and
Lithium battery is charged by electric current.This automatic charge device is specific to what lithium cell charging characteristic was developed, and it is suitable to use
Charge mode, can improve battery charge efficiency, the service life of prolongation lithium battery.And dsp controller can be according to lithium battery
Status information, carries out strategy judgement, calculates lithium cell charging voltage and charging current, and send control to DC/DC changer
Signal, controls the size of DC/DC changer output voltage electric current, it is achieved the automatic charging of lithium battery.Simultaneously in automatic charging mistake
Cheng Zhong, the charge information such as the charging voltage of lithium battery, electric current can show in LCDs in real time.This automatic charge device
Also have troubleshooting function, the charge circuit of lithium battery can be cut off when there is the fault that can not automatically remove, and carry out fault
Offline storage and audible alarm.
Accompanying drawing explanation
Fig. 1 is a kind of lithium battery automatic charge device structural representation of the present utility model.
Fig. 2 is lithium battery voltage Acquisition Circuit of the present utility model.
Detailed description of the invention
Refer to Fig. 1, the utility model discloses a kind of lithium battery automatic charge device, including: rectified three-phase circuit 1,
Incoming carrier circuit 2, DC-to-dc (direct current/direct current, DC/DC) changer 3, output filtering
Circuit 4, lithium battery 5, Digital Signal Processing (Digital Signal Processing, DSP) controller 6, liquid crystal display circuit
7, data acquisition circuit 8, failure alarm circuit 9 and controller local area network (Controller Area Network, CAN) are total
Line interface card 10.Wherein, dsp controller 6 connects data acquisition circuit 8, liquid crystal display circuit 7, failure alarm circuit 9 and respectively
CAN interface card 10.Rectified three-phase circuit 1 connects input filter circuit 2；Input filter circuit 2 connects DC/DC changer 3；
Described DC/DC changer 3 connects output filter circuit 4；Described output filter circuit 4 connects lithium battery 5；Described DC/DC converts
Device 3 connects CAN interface card 10；Between described dsp controller 6 and DC/DC changer 3 by CAN interface card 10 even
Connect.Dsp controller can gather the information of changer, and the output voltage electricity to DC/DC changer by the way of CAN communication
The size of stream is controlled.
Dsp controller 6 receives the data signal that data acquisition circuit 8 sends over, and carries out strategy judgement, calculates lithium battery
Charging voltage and charging current, and send control signal, control DC/DC changer output relevant voltage electric current and fill to lithium battery
Electricity.
At lithium battery in charging process, dsp controller 6 sends the data of display to LCDs 7.Make charging personnel
Understand the charged state of lithium battery in real time.
Here data acquisition circuit 8 mainly can include voltage, electric current, temperature sensor and signal conditioning circuit.Number
The information such as the voltage of the lithium battery collected, electric current, temperature are sent to dsp controller data analysis and place according to Acquisition Circuit
Reason.
Troubleshooting policy module 9, is on the basis of accurate acquisition obtains charger status information, it is judged that charger is
No it is in normal condition, when occurring abnormal, according to the fault type that troubleshooting policy module is preset, and fault type pair
The control strategy answered, dsp controller 6 sends command adapted thereto handling failure.Not pre-at troubleshooting strategy if broken down
In the fault type put, then lithium battery can not continue charging, and dsp controller 6 preserves fault message, and warning of sounding a buzzer,
Remind charging personnel, it is ensured that charging safety.
Described CAN interface 10 card uses Zhou Ligong USBCAN to carry out real-time communication.By at dsp controller environment
Lower communication apparatus is set device type, check and accept code, mask off code, baud rate, frame type, frame format and transmission form, DSP controls
Device can realize the control to DC/DC changer and the reception of information.
Operation principle: when main circuit is connected, civil power through rectified three-phase circuit, is rectified into unidirectional current, passes through filter circuit
Rear unidirectional current forms smooth unidirectional current, and unidirectional current carries out transformation through DC/DC changer, then through output filter circuit to lithium
Battery charges.Specifically: after a certain lithium battery is connected in circuit, dsp controller first controls DC/DC changer and enters it
Line precharge, dsp controller gathers the information such as the voltage of lithium battery, electric current and temperature by data acquisition circuit simultaneously, and DSP is controlled
Inside device processed, the data collected are analyzed, calculate the data such as the charging voltage required for lithium battery and electric current the most automatically
Select suitable charging modes.Dsp controller controls DC/DC changer output relevant voltage and electric current by CAN communication, it is achieved
Automatic charging to lithium battery.During lithium cell charging, dsp controller can the charging voltage of lithium battery, charging current,
The information such as current voltage, charging modes and temperature are sent to LCDs and show.When charging device breaks down, it is
System can in preset fault resolution policy find solution, if there is fault in dsp controller, there is no solution,
Then stop, to lithium cell charging, preserving fault message and carrying out audible alarm.The process of lithium cell charging is exactly by civil power successively
Through over commutation, filtering, transformation, filtering, the most backward lithium battery provides electric energy.
With reference to Fig. 2, lithium battery voltage Acquisition Circuit mainly includes voltage sensor and signal conditioning circuit.Use Lay herein
Nurse voltage sensor DVL50 measures the voltage at lithium battery two ends, voltage sensor rated voltage 50V, and certainty of measurement is 0.5%,
Supply voltage is ± 15V.Voltage sensor ± HV is connected in the two ends of lithium battery respectively, outlet OUTPUT connects DSP.Sampling electricity
Resistance is R2, and then signal is sent into dsp controller through signal conditioning circuit.
It is only preferred embodiment of the present utility model in sum, is not used for limiting enforcement model of the present utility model
Enclose.The most all equivalence changes made according to the content of this utility model claim and modification, all should be of the present utility model
Technology category.
Claims (4)
1. a lithium battery automatic charge device, it is characterised in that: include rectified three-phase circuit (1), input filter circuit (2),
DC-to-dc DC/DC changer (3), output filter circuit (4), lithium battery (5), Digital Signal Processing dsp controller (6),
Liquid crystal display circuit (7), data acquisition circuit (8), failure alarm circuit (9) and controller local area network's CAN interface card
(10), wherein, described dsp controller (6) connects data acquisition circuit (8), liquid crystal display circuit (7), fault alarm electricity respectively
Road (9), CAN interface card (10), described rectified three-phase circuit (1) connects input filter circuit (2), described input filter electricity
Road (2) connects DC/DC changer (3), and described DC/DC changer (3) connects output filter circuit (4), described output filtered electrical
Road (4) connects lithium battery (5)；Described DC/DC changer (3) connects CAN interface card (10).
2. device as claimed in claim 1, it is characterised in that: described data acquisition circuit (8) is passed by voltage sensor, electric current
Sensor, temperature sensor and signal conditioning circuit composition.
3. device as claimed in claim 1, it is characterised in that: described failure alarm circuit (9) includes protection circuit and sound
Warning circuit.
4. device as claimed in claim 1, it is characterised in that: logical between described dsp controller (6) and DC/DC changer (3)
Cross described CAN interface card (10) to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620436426.6U CN205693416U (en) | 2016-05-13 | 2016-05-13 | A kind of lithium battery automatic charge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620436426.6U CN205693416U (en) | 2016-05-13 | 2016-05-13 | A kind of lithium battery automatic charge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205693416U true CN205693416U (en) | 2016-11-16 |
Family
ID=57262602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620436426.6U Expired - Fee Related CN205693416U (en) | 2016-05-13 | 2016-05-13 | A kind of lithium battery automatic charge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205693416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451678A (en) * | 2016-11-30 | 2017-02-22 | 深圳市沃特玛电池有限公司 | Charging device and method |
-
2016
- 2016-05-13 CN CN201620436426.6U patent/CN205693416U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451678A (en) * | 2016-11-30 | 2017-02-22 | 深圳市沃特玛电池有限公司 | Charging device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20170513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |