CN107895978A - A kind of good DC charger structure of applicability - Google Patents
A kind of good DC charger structure of applicability Download PDFInfo
- Publication number
- CN107895978A CN107895978A CN201711156294.7A CN201711156294A CN107895978A CN 107895978 A CN107895978 A CN 107895978A CN 201711156294 A CN201711156294 A CN 201711156294A CN 107895978 A CN107895978 A CN 107895978A
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- module
- control module
- charging
- input
- interface
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of good DC charger structure of applicability,Include the first control module,Second control module,And the DC charging input interface sequentially electrically connected,DC DC modules,Charge output interface,First control module connects with the communication of the second control module,The power positive cathode input of first control module and the power positive cathode input of the second control module are all connected in parallel on charging output interface both positive and negative polarity connection end,The charging protection switch module controlled by the first control module is provided between DC DC module negatives output ends and charging output interface negative pole connection end,The light-coupled isolation detection module for whether having electricity to input for detecting DC charging input interface is parallel with the connection end of DC charging input interface two,The cathode output end of light-coupled isolation detection module is electrically connected with charging output interface negative pole connection end and cathode output end electrically connects with the second control module detection signal input.This case is simple in construction easily to be realized, applicability is good, the control requirement for the client that is content with very little.
Description
Technical field
The present invention relates to a kind of good DC charger structure of applicability.
Background technology
One complete BMS battery management system is the two big core of specialized lithium electrical chip and task management MCU by front end
Component forms, and when battery pack is being charged, is frequently encountered various problems, for example, charging excessively stream, charging high temperature protection,
Charge low-temperature protection, charging overvoltage protection etc. these problems, and these problem-solving approaches, the requirement of each client is
Have a difference, for example, when charge high temperature protection when, if charging valve closes, when temperature falls back to normal temperature, some clients
Clearly it is unable to automatic start to recharge, but plugs charger again, can just recharges, and some clients may may require that
After temperature is recovered, when charger is not pulled out, charged state can be entered back into automatically；Also have plenty of if there is charging electricity
When stream exceedes setting, MCU can reopen charging valve, or client's item with charge closing pipe until detecting that charger is extracted
Purpose need, after overcurrent protection a few minutes need to control again open charging valve charged.
Except these, state accurate judgements of the MCU to battery, it is desirable to enable battery management system to enter dormancy shape in good time
State, power consumption is reduced, and can be allowed to wake up by various methods, rearming.
Therefore, above-mentioned defect how is overcome, it has also become those skilled in the art's important topic urgently to be resolved hurrily.
The content of the invention
Instant invention overcomes the deficiency of above-mentioned technology, there is provided a kind of good DC charger structure of applicability, its structure
Simple easily to realize, applicability is good.
To achieve the above object, present invention employs following technical proposal：
A kind of good DC charger structure of applicability, include the first control module 1, the second control module 2, Yi Jishun
DC charging input interface 3, DC-DC module 4, the charging output interface 5 of secondary electrical connection, first control module 1 and second
The electricity of the communication connection of control module 2, the power positive cathode input of first control module 1 and second control module 2
Source both positive and negative polarity input is all connected in parallel on the charging output interface 5 both positive and negative polarity connection end, the negative pole of DC-DC module 4 output
The charging protection switch controlled by first control module 1 is provided between end and the charging output interface 5 negative pole connection end
Module 6, it is parallel with described 3 liang of connection ends of DC charging input interface for detecting whether DC charging input interface 3 has electricity
The light-coupled isolation detection module 7 of input, the cathode output end of the light-coupled isolation detection module 7 and the charging output interface 5
Negative pole connection end electrically connects and cathode output end electrically connects with the detection signal input of the second control module 2.
A kind of good DC charger structure of applicability as described above, the light-coupled isolation detection module 7 include electricity
Resistance R1 and optocoupler OC1, the optocoupler OC1 light emitting diode positive pole pass through the resistance R1 and the DC charging input interface
3 anode connection terminal electrical connection and light emitting diode negative pole electrically connect with the negative pole connection end of the DC charging input interface 3,
The phototriode emitter stage of the optocoupler OC1 is electrically connected with the charging output interface 5 negative pole connection end and phototriode
Colelctor electrode electrically connects with the detection signal input of the second control module 2.
A kind of good DC charger structure of applicability as described above, the charging protection switch module 6 include N-
Metal-oxide-semiconductor Q1 and N-MOS pipe Q2, the G poles of the N-MOS pipes Q1 and the G poles of the N-MOS pipes Q2 control mould with described first respectively
The charge protection control signal output electrical connection of block 1, the cathode output end of the DC-DC module 4 connect with the charging output
N-MOS pipe Q1, N-MOS pipes Q2 that series connection is passed sequentially through between 5 negative pole connection ends of mouth is connected.
A kind of good DC charger structure of applicability as described above, the N-MOS pipes Q1 and N-MOS pipes Q2 connection
Discharge module 8 is parallel between point and the cathode output end of the DC-DC module 4.
A kind of good DC charger structure of applicability as described above, first control module 1 use AFE(analog front end)
IC, second control module 2 use MCU.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, this case is simple in construction easily realizes, the power positive cathode input of first control module and second control
The power positive cathode input of module is all connected in parallel on the charging output interface both positive and negative polarity connection end, in this way, working as the charging
After correctly accessing rechargeable battery on output interface, the first control module and the second control module can just obtain electric work, the first control
Module just controls the charging protection switch module to turn on, and which obviates the user in no access rechargeable battery and accidentally comes in contact
Charging output interface both positive and negative polarity connection end and situation about being electrically shocked occurs；It is switched on or switched off in the charging protection switch module
In the case of, second control module can be transferred through the light-coupled isolation detection module and detect the DC charging input interface
Whether electric input is had on two connection ends, it is easy to detect whether DC charging input interface has electricity to input or whether plugged, with
It is easy in the charging protection switch module because of high temperature protection, overvoltage protection or overcurrent protection and after controlled switch-off, according to client
Default requirement controls whether charging protection switch module is connected again, and its applicability is good, for example, when charge high temperature protection when, such as
Fruit charging protection switch module is controlled to be closed, and when temperature falls back to normal temperature, some clients are clearly unable to automatic start
Recharge, but to plug charger again can just recharge, and some clients may may require that after temperature is recovered, charging
When device is not pulled out, charged state can be entered back into automatically, is also had plenty of when exceeding setting if there is charging current, broken
Charging protection switch module is opened, just controls charging protection switch module to connect after detecting that charger plugs again, or visitor
The needs of family project, after overcurrent protection a few minutes need to control again charging protection switch module connect charged；This case is set
Two control modules, the first control module are used to control the on-off of the charging protection switch module to realize charger
Shield control, the second control module are used to receive light-coupled isolation detection module detection signal and can communicate with the first control module,
Setting is programmed to second control module during manufacturing, to meet the different requirement of client, it realizes convenient.
2nd, when DC charging input interface has electricity to input, the light-coupled isolation detection module is to second control module
Detection signal input input high level, when DC charging input interface out of power inputs, the light-coupled isolation detection module to
The second control module detection signal input input low level, whether it is realized has electricity defeated to DC charging input interface
The isolation detection function of entering, practicality easy to detect.
Brief description of the drawings
Fig. 1 is the configuration diagram of this case.
Embodiment
Feature of present invention and other correlated characteristics are described in further detail by the following examples, in order to the same industry
The understanding of technical staff：
As shown in figure 1, the DC charger structure that a kind of applicability is good, includes the first control module 1, second control mould
Block 2 and the DC charging input interface 3 sequentially electrically connected, DC-DC module 4, charging output interface 5, the first control mould
The communication connection of the control module 2 of block 1 and second, the power positive cathode input of first control module 1 and second control
The power positive cathode input of module 2 is all connected in parallel on the charging output interface 5 both positive and negative polarity connection end, the DC-DC module 4
It is provided between cathode output end and the charging output interface 5 negative pole connection end and is charged by the control of the first control module 1
Protection switch module 6, it is parallel with described 3 liang of connection ends of DC charging input interface for detecting DC charging input interface 3
Whether light-coupled isolation detection module 7 that electricity input is had, and the cathode output end of the light-coupled isolation detection module 7 and the charging are defeated
The negative pole connection end of outgoing interface 5 electrically connects and cathode output end electrically connects with the detection signal input of the second control module 2.
Easily realized as described above, this case is simple in construction, the power positive cathode input of first control module 1 and described
The power positive cathode input of second control module 2 is all connected in parallel on the charging output interface 5 both positive and negative polarity connection end, in this way,
After correct access rechargeable battery on the charging output interface 5, the first control module 1 and the second control module 2 can just obtain electric
Work, the first control module 1 just control the charging protection switch module 6 to turn on, which obviated in no access rechargeable battery
When user accidentally come in contact the charging both positive and negative polarity connection end of output interface 5 and situation about being electrically shocked occurs；Opened in the charge protection
In the case that pass module 6 is switched on or switched off, second control module 2 can be transferred through the light-coupled isolation detection module 7 and detect
Whether there is electric input on to described 3 liang of connection ends of DC charging input interface, it is easy to whether detect DC charging input interface 3
Have electricity input or whether plugged, in order to the charging protection switch module 6 because high temperature protection, overvoltage protection or excessively stream protect
Protect after controlled switch-off, control charging protection switch module 6 whether to connect again according to the default requirement of client, its applicability
It is good, for example, when charge high temperature protection when, closed if charging protection switch module 6 is controlled, normal temperature fallen back in temperature
When, some clients are clearly unable to automatic start and recharged, but to plug charger again can just recharge, and some clients
It may may require that after temperature is recovered, when charger is not pulled out, charged state can be entered back into automatically, if also had plenty of
When appearance charging current exceedes setting, charging protection switch module 6 is disconnected, is just controlled after detecting that charger plugs again
Charging protection switch module 6 processed is connected, or the needs of client's project, after overcurrent protection a few minutes again charge protection need to be controlled to open
Close module 6 and connect and charged；This case is provided with two control modules, and the first control module 1 is used to control the charge protection
To realize charge protection control, the second control module 2 is used to receive light-coupled isolation detection module 7 for the on-off of switch module 6
Detection signal can simultaneously be communicated with the first control module 1, and setting is programmed to second control module 2 when manufacturing,
To meet the different requirement of client, it realizes convenient.
As described above, when it is implemented, the light-coupled isolation detection module 7 includes resistance R1 and optocoupler OC1, the light
Coupling OC1 light emitting diode positive pole is electrically connected by the resistance R1 with the anode connection terminal of the DC charging input interface 3
Electrically connected with light emitting diode negative pole with the negative pole connection end of the DC charging input interface 3, photosensitive the three of the optocoupler OC1
Pole pipe emitter stage is electrically connected with the charging output interface 5 negative pole connection end and phototriode colelctor electrode and the described second control
The detection signal input of module 2 electrically connects, in this way, when DC charging input interface 3 has electricity to input, the light-coupled isolation detection
Module 7 is to the detection signal input input high level of the second control module 2, when the out of power of DC charging input interface 3 inputs
When, to the detection signal input input low level of the second control module 2, it is realized the light-coupled isolation detection module 7
Whether there are the isolation detection function that electricity inputs, practicality easy to detect to DC charging input interface 3.
As described above, when it is implemented, the charging protection switch module 6 includes N-MOS pipe Q1 and N-MOS pipe Q2,
The G poles of the N-MOS pipes Q1 and the G poles of the N-MOS pipes Q2 control with the charge protection of first control module 1 believe respectively
The electrical connection of number output end, between the cathode output end of the DC-DC module 4 and the charging output interface 5 negative pole connection end according to
It is secondary to be connected by N-MOS pipe Q1, N-MOS pipes Q2 of series connection, in this way, when N-MOS pipe Q1 and N-MOS pipes Q2 is turned on, it is described
DC-DC module 4 is connected with charging output interface 5, is otherwise disconnected between the DC-DC module 4 and charging output interface 5.
As described above, when it is implemented, the N-MOS pipes Q1 and N-MOS pipes Q2 tie point and the DC-DC module 4
Discharge module 8 is parallel between cathode output end.
As described above, when it is implemented, first control module 1 uses AFE(analog front end) IC, second control module 2
Using MCU.
As described above, this case protection is a kind of good DC charger structure of applicability, all are identical with this case structure
Or similar technical scheme should all be shown as falling into the protection domain of this case.
Claims (5)
1. the good DC charger structure of a kind of applicability, it is characterised in that include the first control module (1), the second control mould
Block (2) and the DC charging input interface (3) sequentially electrically connected, DC-DC module (4), charging output interface (5), described the
One control module (1) connects with the second control module (2) communication, the power positive cathode input of first control module (1)
Described charging output interface (5) both positive and negative polarity is all connected in parallel on the power positive cathode input of second control module (2) to connect
On end, it is provided between DC-DC module (4) cathode output end and described charging output interface (5) negative pole connection end by described
The charging protection switch module (6) of first control module (1) control, on the connection end of DC charging input interface (3) two simultaneously
It is associated with the light-coupled isolation detection module (7) for whether having electricity to input for detecting DC charging input interface (3), the light-coupled isolation
The cathode output end of detection module (7) is electrically connected with described charging output interface (5) negative pole connection end and cathode output end and institute
State the electrical connection of the second control module (2) detection signal input.
A kind of 2. good DC charger structure of applicability according to claim 1, it is characterised in that the light-coupled isolation
Detection module (7) include resistance R1 and optocoupler OC1, optocoupler OC1 light emitting diode positive pole by the resistance R1 with
The anode connection terminal electrical connection of the DC charging input interface (3) and light emitting diode negative pole connect with DC charging input
The negative pole connection end electrical connection of mouth (3), the phototriode emitter stage of the optocoupler OC1 and the charging output interface (5) are negative
Pole connection end electrically connects and phototriode colelctor electrode electrically connects with the second control module (2) detection signal input.
A kind of 3. good DC charger structure of applicability according to claim 1, it is characterised in that the charge protection
Switch module (6) includes N-MOS pipe Q1 and N-MOS pipes Q2, the G poles of the N-MOS pipes Q1 and the G poles of the N-MOS pipes Q2
The charge protection control signal output with first control module (1) electrically connects respectively, and the DC-DC module (4) is born
N-MOS pipe Q1, N-MOS pipes Q2 to connect is passed sequentially through between pole output end and described charging output interface (5) negative pole connection end
It is connected.
A kind of 4. good DC charger structure of applicability according to claim 3, it is characterised in that the N-MOS pipes Q1
Discharge module (8) is parallel between N-MOS pipes Q2 tie point and the DC-DC module (4) cathode output end.
A kind of 5. good DC charger structure of applicability according to claim 1-4 any one, it is characterised in that institute
State the first control module (1) and use AFE(analog front end) IC, second control module (2) uses MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711156294.7A CN107895978A (en) | 2017-11-20 | 2017-11-20 | A kind of good DC charger structure of applicability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711156294.7A CN107895978A (en) | 2017-11-20 | 2017-11-20 | A kind of good DC charger structure of applicability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107895978A true CN107895978A (en) | 2018-04-10 |
Family
ID=61805555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711156294.7A Withdrawn CN107895978A (en) | 2017-11-20 | 2017-11-20 | A kind of good DC charger structure of applicability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107895978A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149522A (en) * | 2018-09-18 | 2019-01-04 | 深圳市思乐数据技术有限公司 | A kind of motor control protective device and printer, reader |
| WO2021077309A1 (en) * | 2019-10-22 | 2021-04-29 | Neutron Holdings, Inc. | Auxiliary controller for controlling battery assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100079114A1 (en) * | 2006-11-14 | 2010-04-01 | Advanced Analogic Technologies, Inc. | Systems and methods for charging a battery with a digital charge reduction loop |
| CN201590669U (en) * | 2009-12-15 | 2010-09-22 | 中兴通讯股份有限公司 | Portable device and a charging circuit thereof |
| CN202906537U (en) * | 2012-11-21 | 2013-04-24 | 福建钧石能源有限公司 | Power adapter |
| CN204481549U (en) * | 2015-04-13 | 2015-07-15 | 西安科技大学 | A kind of overcurrent protection charger for mobile phone |
| CN105572523A (en) * | 2014-10-09 | 2016-05-11 | 中兴通讯股份有限公司 | AC detection circuit |
| CN206332493U (en) * | 2017-01-14 | 2017-07-14 | 东莞市嘉佰达电子科技有限公司 | It is a kind of to prevent the lithium battery charging system of charge port short circuit |
-
2017
- 2017-11-20 CN CN201711156294.7A patent/CN107895978A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100079114A1 (en) * | 2006-11-14 | 2010-04-01 | Advanced Analogic Technologies, Inc. | Systems and methods for charging a battery with a digital charge reduction loop |
| CN201590669U (en) * | 2009-12-15 | 2010-09-22 | 中兴通讯股份有限公司 | Portable device and a charging circuit thereof |
| CN202906537U (en) * | 2012-11-21 | 2013-04-24 | 福建钧石能源有限公司 | Power adapter |
| CN105572523A (en) * | 2014-10-09 | 2016-05-11 | 中兴通讯股份有限公司 | AC detection circuit |
| CN204481549U (en) * | 2015-04-13 | 2015-07-15 | 西安科技大学 | A kind of overcurrent protection charger for mobile phone |
| CN206332493U (en) * | 2017-01-14 | 2017-07-14 | 东莞市嘉佰达电子科技有限公司 | It is a kind of to prevent the lithium battery charging system of charge port short circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149522A (en) * | 2018-09-18 | 2019-01-04 | 深圳市思乐数据技术有限公司 | A kind of motor control protective device and printer, reader |
| CN109149522B (en) * | 2018-09-18 | 2023-11-24 | 深圳市思乐数据技术有限公司 | Motor control protection device, printer and reader |
| WO2021077309A1 (en) * | 2019-10-22 | 2021-04-29 | Neutron Holdings, Inc. | Auxiliary controller for controlling battery assembly |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180410 |
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| WW01 | Invention patent application withdrawn after publication |