CN107706995A - A kind of charging device with battery reversal connection protection function - Google Patents
A kind of charging device with battery reversal connection protection function Download PDFInfo
- Publication number
- CN107706995A CN107706995A CN201711092358.1A CN201711092358A CN107706995A CN 107706995 A CN107706995 A CN 107706995A CN 201711092358 A CN201711092358 A CN 201711092358A CN 107706995 A CN107706995 A CN 107706995A
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- CN
- China
- Prior art keywords
- charging
- module
- resistance
- mos pipes
- battery
- 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.)
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Classifications
-
- 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
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/002—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of inverted polarity or connection; with switching for obtaining correct connection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of charging device with battery reversal connection protection function, its easily realization simple in construction, N metal-oxide-semiconductors Q4 is connected between the charging module positive source output end and the charging output interface anode connection terminal, the control module turns on drive module by controlled N metal-oxide-semiconductors and drives N metal-oxide-semiconductors Q4 conductings, so as to form charge circuit between the charging module and battery to be charged, and when in battery reversal connection to be charged to the charging output interface, the battery to be charged of reversal connection makes the extremely strong high level processed of G of the N metal-oxide-semiconductors Q4 to end by backward dioded D2 in the one-way conduction module, so, disconnected between charging module and battery to be charged, have the function that to protect charging device and rechargeable battery, it has prominent substantive distinguishing features and significant progress.
Description
Technical field
The present invention relates to a kind of charging device with battery reversal connection protection function.
Background technology
Charging circuit is a kind of very basic circuit of electronics industry, is widely used in the every field of electronic circuit,
But many charging circuits do not have reverse-connection protection circuit in practical application, and battery easily occurs in the case of manual operation
The phenomenon of reversal connection, in the case of no reverse-connection protection circuit, equipment gently may be then damaged, the person of equipment user is pacified
Holotype into threat, it is heavy then can fire hazard, cause huge loss.Many charging circuits are not provided with reverse-connection protection circuit, portion
Point reason is that existing reverse-connection protection circuit structure is more complicated, and cost is higher.
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 charging device with battery reversal connection protection function,
Its easily realization simple in construction, effectively carries out battery reversal connection open circuit protection, is advantageous to protect rechargeable battery and charging device.
To achieve the above object, present invention employs following technical proposal：
A kind of charging device with battery reversal connection protection function, includes control module 1, for exporting charging direct current
The charging module 2 of voltage, for the charging output interface 3 being connected with battery to be charged and D poles and S poles it is connected on described fill
N-MOS pipes Q4 between the electric positive source output end of module 2 and the charging anode connection terminal of output interface 3, the charging mould
The power cathode output end of block 2 is connected with the charging output interface 3 negative pole connection end, the G poles of the N-MOS pipes Q4 with it is described
The voltage clamping module 4 for carrying out voltage clamping to N-MOS pipes Q4 is connected between the positive source output end of charging module 2,
The controlled N-MOS for driving N-MOS pipes Q4 to turn on is electrically connected between the G poles of the N-MOS pipes Q4 and the control module 1
Pipe turns on drive module 5, and use is electrically connected between the G poles of the N-MOS pipes Q4 and the charging output interface 3 negative pole connection end
In the one-way conduction mould for being forced shutdown the N-MOS pipes Q4 when reversal connection needs rechargeable battery on the charging output interface 3
Block 6, the one-way conduction module 6 includes the G poles for being connected to the N-MOS pipes Q4 and charging output interface 3 negative pole connects
It is high to connect the extremely strong systems of G for being used to make when reversal connection needs rechargeable battery on the charging output interface 3 the N-MOS pipes Q4 between holding
Level and the backward dioded D2 ended.
A kind of charging device with battery reversal connection protection function as described above, the voltage clamping module 4 include
Voltage-regulator diode ZD2 and voltage-regulator diode ZD3, the negative pole connection end of the voltage-regulator diode ZD2 and the power supply of charging module 2
Cathode output end is connected and anode connection terminal is connected with the voltage-regulator diode ZD3 anode connection terminals, the voltage-regulator diode ZD3
Negative pole connection end be connected with the G poles of the N-MOS pipes Q4.
A kind of charging device with battery reversal connection protection function as described above, the controlled N-MOS pipes conducting driving
Module 5 includes resistance R1, resistance R2, resistance R3, resistance R4, NPN triode Q1, NPN triode Q2 and PNP triode
Q3, described resistance R1 one end is as the controlled N-MOS pipes conducting control signal input of drive module 5 and the control module
1 electrical connection, the resistance R1 other ends are connected with described resistance R2 one end, NPN triode Q1 base stage, the resistance R2 other ends and
NPN triode Q1 emitter stage, PNP triode Q3 colelctor electrodes, the power cathode output end of charging module 2 are connected, the poles of NPN tri-
Pipe Q1 colelctor electrodes are connected with the PNP triode Q3 base stages, NPN triode Q2 base stages, resistance R3 one end, and the resistance R3 is another
One end is connected with the NPN triode Q2 colelctor electrodes, the power cathode output end of charging module 2, the NPN triode Q2 transmittings
Pole is connected with the PNP triode Q3 emitter stages, resistance R4 one end, and the resistance R4 other ends are as the controlled N-MOS
The pipe conducting control signal output of drive module 5 is connected with the G poles of the N-MOS pipes Q4.
A kind of charging device with battery reversal connection protection function as described above, the one-way conduction module 6 also include
There is the resistance R5 being connected in series with the backward dioded D2.
A kind of charging device with battery reversal connection protection function as described above, parallel connection on the charging output interface 3
There is voltage detection module 7, the voltage detection signal output end of voltage detection module 7 electrically connects with the control module 1.
Compared with prior art, the beneficial effects of the invention are as follows：
This case is simple in construction easily to be realized, the charging module positive source output end connects with the charging output interface positive pole
Connect and N-MOS pipes Q4 is connected between holding, the control module passes through controlled N-MOS pipes and turns on drive module driving N-MOS pipes Q4
Conducting, so as to form charge circuit between the charging module and battery to be charged, and when battery reversal connection to be charged is filled to described
When on electricity output interface, the battery to be charged of reversal connection makes the N-MOS by backward dioded D2 in the one-way conduction module
The pipe Q4 extremely strong high level processed of G and end, in this way, disconnected between charging module and battery to be charged, reach protection charging
The effect of device and rechargeable battery, circuit loss can be reduced, it has prominent substantive distinguishing features and significant progress.
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, a kind of charging device with battery reversal connection protection function, includes control module 1, for exporting
The charging module 2 of charging DC voltage, go here and there for the charging output interface 3 being connected with battery to be charged and D poles and S poles
The N-MOS pipe Q4 being associated between the positive source output end of charging module 2 and the charging anode connection terminal of output interface 3,
The power cathode output end of charging module 2 is connected with the charging output interface 3 negative pole connection end, the N-MOS pipes Q4
G poles and the positive source output end of the charging module 2 between be connected with for N-MOS pipes Q4 carry out voltage clamping voltage
Clamper module 4, it is electrically connected between the G poles of the N-MOS pipes Q4 and the control module 1 for driving N-MOS pipes Q4 to turn on
Controlled N-MOS pipes conducting drive module 5, the G poles of the N-MOS pipes Q4 and the charging output interface 3 negative pole connection end it
Between be electrically connected with for it is described charging output interface 3 on reversal connection need rechargeable battery when be forced shutdown the N-MOS pipes Q4
One-way conduction module 6, the one-way conduction module 6, which includes, to be connected to the G poles of the N-MOS pipes Q4 and is exported with the charging
It is used to make the N-MOS pipes Q4 when reversal connection needs rechargeable battery on the charging output interface 3 between the negative pole connection end of interface 3
The extremely strong high level processed of G and the backward dioded D2 that ends.
Easily realized as described above, this case is simple in construction, the positive source output end of charging module 2 exports with the charging
N-MOS pipes Q4 is connected between the anode connection terminal of interface 3, the control module 1 turns on drive module 5 by controlled N-MOS pipes
N-MOS pipes Q4 conductings are driven, so as to form charge circuit between the charging module 2 and battery to be charged, and work as electricity to be charged
When on pond reversal connection to the charging output interface 3, the battery to be charged of reversal connection passes through reverse two pole in the one-way conduction module 6
Pipe D2 makes the extremely strong high level processed of G of the N-MOS pipes Q4 and ended, in this way, the separated company of charging module 2 and battery to be charged
Connect, have the function that to protect charging device and rechargeable battery, circuit loss can be reduced, it has prominent substantive distinguishing features and shown
The progress of work.
As described above, when it is implemented, the voltage clamping module 4 includes voltage-regulator diode ZD2 and voltage-regulator diode
ZD3, the negative pole connection end of the voltage-regulator diode ZD2 is connected with the positive source output end of charging module 2 and positive pole connection
End is connected with the voltage-regulator diode ZD3 anode connection terminals, negative pole connection end and the N-MOS of the voltage-regulator diode ZD3
Pipe Q4 G poles connection.
As described above, when it is implemented, controlled N-MOS pipes conducting drive module 5 include resistance R1, resistance R2,
Resistance R3, resistance R4, NPN triode Q1, NPN triode Q2 and PNP triode Q3, described in described resistance R1 one end is used as
The controlled N-MOS pipes conducting control signal input of drive module 5 electrically connects with the control module 1, the resistance R1 other ends and institute
State resistance R2 one end, NPN triode Q1 base stage is connected, the resistance R2 other ends and NPN triode Q1 emitter stage, PNP tri-
Pole pipe Q3 colelctor electrodes, the power cathode output end of charging module 2 are connected, the NPN triode Q1 colelctor electrode and the poles of PNP tri-
Pipe Q3 base stages, NPN triode Q2 base stages, resistance R3 one end are connected, the resistance R3 other ends and the NPN triode Q2 collection
Electrode, the power cathode output end of charging module 2 are connected, and the NPN triode Q2 emitter stages are launched with the PNP triode Q3
Pole, resistance R4 one end are connected, and the resistance R4 other ends are as the controlled N-MOS pipes conducting control signal of drive module 5
Output end is connected with the G poles of the N-MOS pipes Q4.
As described above, when it is implemented, the one-way conduction module 6 also includes company of being connected with the backward dioded D2
The resistance R5 connect.
As described above, when it is implemented, voltage detection module 7 is parallel with the charging output interface 3, the voltage is examined
The voltage detection signal output end of module 7 is surveyed to electrically connect with the control module 1.
As described above, this case protection is a kind of charging device with battery reversal connection protection function, all and this case knot
The same or like technical scheme of structure should all be shown as falling into the protection domain of this case.
Claims (5)
1. a kind of charging device with battery reversal connection protection function, it is characterised in that include control module (1), for exporting
The charging module (2) of charging DC voltage, charging output interface (3) and D poles and S for being connected with battery to be charged
Pole is connected on the N- between the charging module (2) positive source output end and described charging output interface (3) anode connection terminal
Metal-oxide-semiconductor Q4, charging module (2) the power cathode output end are connected with described charging output interface (3) negative pole connection end, institute
State and be connected between N-MOS pipes Q4 G poles and the charging module (2) positive source output end for being carried out to N-MOS pipes Q4
The voltage clamping module (4) of voltage clamping, it is electrically connected with and is used between the G poles of the N-MOS pipes Q4 and the control module (1)
The controlled N-MOS pipes conducting drive module (5) of N-MOS pipes Q4 conductings is driven, the G poles of the N-MOS pipes Q4 and the charging are defeated
It is electrically connected between outgoing interface (3) negative pole connection end for when reversal connection needs rechargeable battery on the charging output interface (3)
The one-way conduction module (6) for being forced shutdown the N-MOS pipes Q4, the one-way conduction module (6) include be connected to it is described
It is used between N-MOS pipes Q4 G poles and described charging output interface (3) negative pole connection end in the charging output interface (3)
Reversal connection needs the extremely strong high level processed of G for making the N-MOS pipes Q4 during rechargeable battery and the backward dioded D2 ended.
A kind of 2. charging device with battery reversal connection protection function according to claim 1, it is characterised in that the electricity
Pressing tongs position module (4) includes voltage-regulator diode ZD2 and voltage-regulator diode ZD3, the negative pole connection end of the voltage-regulator diode ZD2
It is connected with the charging module (2) positive source output end and anode connection terminal and the voltage-regulator diode ZD3 anode connection terminals
Connection, the negative pole connection end of the voltage-regulator diode ZD3 is connected with the G poles of the N-MOS pipes Q4.
A kind of 3. charging device with battery reversal connection protection function according to claim 1, it is characterised in that it is described by
Control N-MOS pipe conducting drive modules (5) include resistance R1, resistance R2, resistance R3, resistance R4, NPN triode Q1, the poles of NPN tri-
Pipe Q2 and PNP triode Q3, described resistance R1 one end is as described controlled N-MOS pipes conducting drive module (5) control signal
Input electrically connects with the control module (1), the resistance R1 other ends and described resistance R2 one end, NPN triode Q1 base stage phase
Connection, the resistance R2 other ends are born with NPN triode Q1 emitter stage, PNP triode Q3 colelctor electrodes, charging module (2) power supply
Pole output end is connected, the NPN triode Q1 colelctor electrode and the PNP triode Q3 base stages, NPN triode Q2 base stages, electricity
Resistance R3 one end is connected, and the resistance R3 other ends and the NPN triode Q2 colelctor electrodes, charging module (2) power cathode are defeated
Go out end to be connected, the NPN triode Q2 emitter stages are connected with the PNP triode Q3 emitter stages, resistance R4 one end, described
The resistance R4 other ends are as controlled N-MOS pipes conducting drive module (5) control signal output with the N-MOS pipes Q4's
G poles are connected.
A kind of 4. charging device with battery reversal connection protection function according to claim 1, it is characterised in that the list
Also include the resistance R5 being connected in series with the backward dioded D2 to conduction module (6).
5. a kind of charging device with battery reversal connection protection function according to claim 1-4 any one, its feature
It is to be parallel with voltage detection module (7) on the charging output interface (3), voltage detection module (7) the voltage detecting letter
Number output end electrically connects with the control module (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711092358.1A CN107706995A (en) | 2017-11-08 | 2017-11-08 | A kind of charging device with battery reversal connection protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711092358.1A CN107706995A (en) | 2017-11-08 | 2017-11-08 | A kind of charging device with battery reversal connection protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107706995A true CN107706995A (en) | 2018-02-16 |
Family
ID=61178897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711092358.1A Withdrawn CN107706995A (en) | 2017-11-08 | 2017-11-08 | A kind of charging device with battery reversal connection protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107706995A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481466A (en) * | 2019-08-26 | 2019-11-22 | 上海灏境汽车检测技术有限公司 | The vehicle-mounted power supply circuit of anti-electric transient conduction |
| CN112366790A (en) * | 2020-11-19 | 2021-02-12 | 深圳市华思旭科技有限公司 | Intelligent connecting device, starting power supply and storage battery clamp |
| CN117595458A (en) * | 2024-01-12 | 2024-02-23 | 深圳市博瑞通信技术有限公司 | Program-controlled power supply circuit with charging protection function |
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| CN201898330U (en) * | 2010-11-12 | 2011-07-13 | 无锡新茂科技有限责任公司 | Reverse-connection-preventive circuit |
| CN201994659U (en) * | 2011-04-22 | 2011-09-28 | 北京科诺伟业科技有限公司 | Reverse-connection-prevention protective circuit for solar photovoltaic charging controller |
| CN102545198A (en) * | 2010-12-29 | 2012-07-04 | 广东易事特电源股份有限公司 | Reverse connection preventing protective circuit of solar charge controller with common-anode structure |
| CN103840436A (en) * | 2012-11-22 | 2014-06-04 | 海洋王（东莞）照明科技有限公司 | Cell reversal-connection protection circuit |
| CN106712207A (en) * | 2017-02-07 | 2017-05-24 | 长春工程学院 | Anti-reverse-connection anti-backflow battery charging protection circuit |
-
2017
- 2017-11-08 CN CN201711092358.1A patent/CN107706995A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201898330U (en) * | 2010-11-12 | 2011-07-13 | 无锡新茂科技有限责任公司 | Reverse-connection-preventive circuit |
| CN102545198A (en) * | 2010-12-29 | 2012-07-04 | 广东易事特电源股份有限公司 | Reverse connection preventing protective circuit of solar charge controller with common-anode structure |
| CN201994659U (en) * | 2011-04-22 | 2011-09-28 | 北京科诺伟业科技有限公司 | Reverse-connection-prevention protective circuit for solar photovoltaic charging controller |
| CN103840436A (en) * | 2012-11-22 | 2014-06-04 | 海洋王（东莞）照明科技有限公司 | Cell reversal-connection protection circuit |
| CN106712207A (en) * | 2017-02-07 | 2017-05-24 | 长春工程学院 | Anti-reverse-connection anti-backflow battery charging protection circuit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481466A (en) * | 2019-08-26 | 2019-11-22 | 上海灏境汽车检测技术有限公司 | The vehicle-mounted power supply circuit of anti-electric transient conduction |
| CN112366790A (en) * | 2020-11-19 | 2021-02-12 | 深圳市华思旭科技有限公司 | Intelligent connecting device, starting power supply and storage battery clamp |
| CN117595458A (en) * | 2024-01-12 | 2024-02-23 | 深圳市博瑞通信技术有限公司 | Program-controlled power supply circuit with charging protection function |
| CN117595458B (en) * | 2024-01-12 | 2024-05-03 | 深圳市博瑞通信技术有限公司 | Program-controlled power supply circuit with charging protection function |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180216 |
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| WW01 | Invention patent application withdrawn after publication |