CN107846060A - A kind of power charging circuit - Google Patents
A kind of power charging circuit Download PDFInfo
- Publication number
- CN107846060A CN107846060A CN201711175664.1A CN201711175664A CN107846060A CN 107846060 A CN107846060 A CN 107846060A CN 201711175664 A CN201711175664 A CN 201711175664A CN 107846060 A CN107846060 A CN 107846060A
- Authority
- CN
- China
- Prior art keywords
- online
- circuit
- integrated
- winding
- voltage
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims abstract description 62
- 238000009966 trimming Methods 0.000 claims abstract description 44
- 230000015654 memory Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000005304 joining Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- 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
-
- H02J7/0077—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- H02J2007/10—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of power charging circuit, including：Primary rectifier filter circuit, auxiliary circuit, transformer and secondary commutation filter circuit；Primary rectifier filter circuit one end is connected with power input port, input winding one end of the other end and transformer connects；The connection of the output winding of secondary commutation filter circuit one end and transformer, the other end and output port of power source connect；Auxiliary circuit one end is connected to primary rectifier filter circuit and inputted between winding, assists winding one end of the other end and transformer connects；Auxiliary circuit includes trimming integrated IC, auxiliary power supply circuit and voltage detecting circuit online, compared with prior art, the embodiment of the present invention can trim the output voltage electric current of transformer online by trimming integrated IC online, so that output port of power source exports target voltage electric current, the precision of output voltage electric current is greatly improved.
Description
Technical field
The present invention relates to power source charges field, more particularly to a kind of power charging circuit.
Background technology
With the requirement more and more higher to battery charger high performance index, it is increasingly bright that charger faces high-precision requirement
Aobvious, it is to realize the necessary means that power supply exports in high precision that mains charger band trims technology online.
Existing battery charger power weak point is as follows：
1st, electric power output voltage precision is not high, about 5%-10%；
2nd, electric power outputting current precision is not high, about 5%-15%；
3rd, over-charging of battery is easily caused；
4th, battery life is caused to shorten；
5th, cause battery failures rate high.
If existing power supply need to improve output voltage current precision：The resistance capacitance connection in series-parallel to control voltage electric current is needed,
Number is increased or decreased, so as to optimize circuit performance, improves precision, but low production efficiency, manufacturing cost is high, and fraction defective
It is high.
The content of the invention
The embodiments of the invention provide a kind of power charging circuit, can trim transformation online by trimming integrated IC online
The output voltage electric current of device so that output port of power source exports target voltage electric current, greatly improves the precision of output voltage electric current.
In view of this, first aspect present invention provides a kind of power charging circuit, including：
Primary rectifier filter circuit, auxiliary circuit, transformer and secondary commutation filter circuit；
Described primary rectifier filter circuit one end is connected with power input port, the input of the other end and the transformer around
The connection of group one end；
Described secondary commutation filter circuit one end is connected with the output winding of the transformer, the other end and power output end
Mouth connection；
Described auxiliary circuit one end be connected to the primary rectifier filter circuit and it is described input winding between, the other end with
Assists winding one end connection of the transformer；
The auxiliary circuit includes trimming integrated IC, auxiliary power supply circuit and voltage detecting circuit online, wherein, it is described auxiliary
Power supply circuit one end is helped to be connected with the power pin for trimming integrated IC online, the other end and described voltage detecting circuit one end
Connection, and the voltage detecting pin for trimming integrated IC online is connected to the voltage detecting circuit；
Described trim online is integrated with integrated IC in wire module, parameter acquisition module, online trimming module and storage
Module, described to trim system online for on-line joining process in wire module, the parameter acquisition module is used to obtaining described repaiies online
Assemble into the parameter inside IC be uploaded to it is described it is online trim system, the online trimming module is used to be trimmed online according to described
The output voltage electric current for trimming instruction and trimming the transformer of system feedback so that the output port of power source output target electricity
Current voltage.
Further, the online trimming module includes fuse opening unit, and trimming technology by fuse opening trims
The output voltage electric current of the transformer, to cause the output port of power source to export the target voltage electric current.
Further, the memory module is non-volatile memory medium, and the memory module is used to store described trim
Instruction.
Further, the auxiliary power supply circuit be additionally operable to one end be connected to the primary rectifier filter circuit with it is described defeated
Enter between winding, the other end is connected with described assists winding one end.
Further, the input winding other end is connected with the high pressure detection pin for trimming integrated IC online, and
The assists winding other end ground connection.
Further, the voltage detecting pin for trimming integrated IC online is connected among the voltage detecting circuit
End, and the voltage detecting circuit other end is grounded.
Further, the voltage detecting circuit includes the first voltage detection resistance and second voltage detection electricity of series connection
Resistance, the voltage detecting pin for trimming integrated IC online are connected to the first voltage detection resistance and second voltage inspection
Between measuring resistance.
Further, the parameter trimmed online inside integrated IC includes the voltage parameter and electric current of the input winding
The voltage parameter and current parameters of parameter, the assists winding, the voltage parameter of the input winding trim collection online by described
Pin is detected into IC by the high pressure to obtain, the voltage parameter of the assists winding is trimmed integrated IC and passed through institute online by described
The acquisition of voltage detecting pin is stated, the current parameters of the input winding and the current parameters of the assists winding are by described online
Integrated IC is trimmed to obtain by current sense pin.
Further, the current sense pin for trimming integrated IC online is connected with current sense resistor, and passes through institute
State the earth terminal ground connection of voltage detecting circuit.
Further, the input winding and the opposite in phase of the assists winding.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
In the embodiment of the present invention, include in power charging circuit：Primary rectifier filter circuit, auxiliary circuit, transformer,
And secondary commutation filter circuit；Primary rectifier filter circuit one end is connected with power input port, the other end and transformer
Input the connection of winding one end；The connection of the output winding of secondary commutation filter circuit one end and transformer, the other end and power supply export
Port connects；Auxiliary circuit one end is connected to primary rectifier filter circuit and inputted between winding, the other end and transformer it is auxiliary
Winding one end is helped to connect；Auxiliary circuit includes trimming integrated IC, auxiliary power supply circuit and voltage detecting circuit online, wherein, it is auxiliary
Power supply circuit one end is helped to be connected with trimming integrated IC power pin online, the connection of the other end and voltage detecting circuit one end, and
The voltage detecting pin for trimming integrated IC online is connected to voltage detecting circuit；Trim online and online mould is integrated with integrated IC
Block, parameter acquisition module, online trimming module and memory module, system is trimmed online for on-line joining process in wire module, join
Number acquisition modules are used to obtaining the parameter that trims online inside integrated IC to be uploaded to trims system online, and online trimming module is used for
According to the output voltage electric current for trimming instruction and trimming transformer for trimming system feedback online so that output port of power source exports mesh
Mark voltage x current.Compared with prior art, the embodiment of the present invention can trim transformer online by trimming integrated IC online
Output voltage electric current so that output port of power source exports target voltage electric current, greatly improves the precision of output voltage electric current.
Brief description of the drawings
Fig. 1 is power charging circuit one embodiment schematic diagram in the embodiment of the present invention；
Fig. 2 is to trim integrated IC one embodiment schematic diagram online in the embodiment of the present invention.
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, art technology
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second " are to be used to distinguish class
As object, without for describing specific order or precedence.It should be appreciated that the data so used are in appropriate situation
Under can exchange, so that the embodiments described herein can be real with the order in addition to the content for illustrating or describing herein
Apply.In addition, term " comprising " and " having " and their any deformation, it is intended that cover it is non-exclusive include, for example, bag
Contained series of steps or unit process, method, system, product or equipment be not necessarily limited to those steps clearly listed or
Unit, but may include not list clearly or for the intrinsic other steps of these processes, method, product or equipment or
Unit.
Power charging circuit in the embodiment of the present invention is described with reference to the accompanying drawings, referring to Fig. 1, the present invention is implemented
Power charging circuit one embodiment includes in example：
Primary rectifier filter circuit 110, auxiliary circuit 120, transformer 130 and secondary commutation filter circuit 140；
The one end of primary rectifier filter circuit 110 is connected with power input port, the input of the other end and the transformer 130
Winding one end 3 connects；
The one end of secondary commutation filter circuit 140 is connected, another with the output winding (including end 1 and 2) of the transformer 130
End is connected with output port of power source；
The (not shown in figure 1) one end of auxiliary circuit 120 is connected to the primary rectifier filter circuit 110 and input winding
Between (end 3), the other end is connected with assists winding one end 5 of the transformer 130；
The auxiliary circuit 120 includes trimming integrated IC 121 (Integrated Circuit, integrated circuit), auxiliary online
Power supply circuit 122 and voltage detecting circuit 123, wherein, the one end of auxiliary power supply circuit 122 trims integrated IC 121 online with this
Power pin VCC connections, the other end be connected with the one end of voltage detecting circuit 123, and this trims integrated IC's 121 online
Voltage detecting pin VS is connected to the voltage detecting circuit 123；
This is trimmed online is integrated with wire module 1211, parameter acquisition module 1212 in integrated IC 121, trims mould online
Block 1213 and memory module 1214, as shown in Fig. 2 should can be used for on-line joining process in wire module 1211 trims system online,
The parameter acquisition module 1212, which can be used for obtaining the parameter trimmed online inside integrated IC 121, to be uploaded to this and trims online
System, the instruction that trims that the online trimming module 1213 can be used for trimming system feedback online according to this trim the transformer
130 output voltage electric current so that the output port of power source exports target voltage electric current, and the target voltage electric current includes target
Voltage and target current.
It should be noted that voltage and design voltage (i.e. charger design output electricity with the output of power supply in the prior art
Pressure) difference precision 5%-10%, the electric current of output differ precision 5%- with design current (i.e. charger design output current)
15% compares, and the target voltage that the output port of power source exports in the embodiment of the present invention can differ precision with design voltage
0.5%-2%, the target current of output can differ precision 3%-5% with design current.
In the embodiment of the present invention, to cause the output port of power source to export the target voltage electric current, mould is trimmed online at this
Fuse opening unit can be included in block 1213, it can trim the output that technology trims the transformer 130 by fuse opening
Voltage x current.It should be understood that in the circuit that actual production goes out, circuit parameter (including voltage and current etc.) is often bigger than normal or inclined
It is small, equivalent to one switch of fuse, trimmed by blowing to change on off state, such as：It can increase or reduce in path
Resistance value, final total resistance value is set to reach the precise resistance value for meeting design requirement, so that output voltage electric current
Reach design load.
The memory module 1214 can be non-volatile memory medium, and the memory module 1214 can be used for storing this online
Trim system feedback trims instruction.
In the embodiment of the present invention, as shown in figure 1, the auxiliary power supply circuit 122, which is additionally operable to one end, is connected to the primary rectifier
Between filter circuit 110 and the input winding, the other end be connected with the assists winding one end, can in the auxiliary power supply circuit 122
To be connected including the rectifying tube D1 and resistance R4 that are cascaded, wherein resistance R4 with the auxiliary winding side 5, rectifying tube D1's
The resistance R2 and R1 that negative pole end passes sequentially through series connection are connected between the primary rectifier filter circuit 110 and the input winding terminal 3,
Also, electric capacity C1 is also associated with rectifying tube D1 negative pole end, and the electric capacity C1 other end can be grounded.
The high pressure detection pin HV that the input winding other end 4 can trim integrated IC 121 online with this is connected, and should
The assists winding other end 6 can be grounded.
The voltage detecting pin VS for trimming integrated IC 121 online can be connected among the voltage detecting circuit 123
End, the voltage detecting circuit 123 can include the first voltage detection resistance R5 and second voltage detection resistance R6 of series connection, be somebody's turn to do
The voltage detecting pin VS that line trims integrated IC 121 can be connected to the first voltage detection resistance R5 and second voltage inspection
Between measuring resistance R6.And the other end of voltage detecting circuit 123 can be grounded.
The current sense pin CS for trimming integrated IC 121 online can be connected with current sense resistor R3, and can be with
It is grounded by the earth terminal of the voltage detecting circuit 123.
Also, in the transformer 130, it inputs winding and the opposite in phase of the assists winding, the phase of the assists winding
It is identical that position can export winding with it.
It is understood that the power charging circuit shown in based on above-mentioned Fig. 1, this is trimmed inside integrated IC 121 online
Parameter can include the voltage parameter and current parameters, the voltage parameter and current parameters of the assists winding of the input winding, should
The voltage parameter of input winding, which can be trimmed integrated IC 121 online by this and detect pin HV by the high pressure, to be obtained, the auxiliary around
The voltage parameter of group can be trimmed integrated IC 121 online by this and be obtained by voltage detecting pin VS, the electricity of the input winding
The current parameters of stream parameter and the assists winding can be trimmed integrated IC 121 online by this and be obtained by current sense pin CS
, do not limit herein specifically.
Optionally, in some embodiments of the invention, primary rectifier can be included in the primary rectifier filter circuit 110
Circuit and primary filter circuit, the primary rectifier circuit can be bridge rectifier BD1, and the primary filter circuit can include
The electrochemical capacitor EC1 and EC2 in parallel and inductance L1 being connected between electrochemical capacitor EC1 and EC2.The secondary commutation is filtered
Can include secondary commutation circuit and secondary filter circuit in wave circuit 140, the secondary commutation circuit can include rectifying tube D2,
And the resistance R7 and electric capacity C2 at rectifying tube D2 both ends are connected in parallel on, resistance R7 connects with electric capacity C2；The secondary filtered electrical
Electrochemical capacitor EC3 and resistance R8 in parallel can be included in road.
Technical solution of the present invention by using primary rectifier filter circuit 110, auxiliary circuit 120, transformer 130 and
Secondary commutation filter circuit 140 forms power charging circuit；The one end of primary rectifier filter circuit 110 connects with power input port
Connect, input winding one end 3 of the other end and transformer 130 connects；The one end of secondary commutation filter circuit 140 and transformer 130
The connection of output winding, the other end and output port of power source connect；The one end of auxiliary circuit 120 is connected to primary rectifier filtered electrical
Between road 110 and input winding, assists winding one end 5 of the other end and transformer 130 connects；The auxiliary circuit 120 is included in
Line trims integrated IC 121, auxiliary power supply circuit 122 and voltage detecting circuit 123, wherein, the one end of auxiliary power supply circuit 122
Power pin VCC with trimming integrated IC 121 online is connected, the other end and the one end of voltage detecting circuit 123 are connected, and be somebody's turn to do
The voltage detecting pin VS that line trims integrated IC 121 is connected to voltage detecting circuit 123；This is trimmed in integrated IC 121 online
It is integrated with wire module 1211, parameter acquisition module 1212, online trimming module 1213 and memory module 1214, the online mould
Block 1211 trims system online for on-line joining process, and the parameter acquisition module 1212 is used to obtain to trim online in integrated IC 121
The parameter in portion is uploaded to trims system online, and the online trimming module 1213 is used to trim finger according to trim system feedback online
Order trims the output voltage electric current of transformer 130 so that output port of power source exports target voltage electric current.
It is apparent to those skilled in the art that for convenience and simplicity of description, in each reality of the present invention
Apply that each functional unit (module) in example can be integrated in a processing unit or the independent physics of unit is deposited
, can also two or more units it is integrated in a unit.Above-mentioned integrated unit can both use the shape of hardware
Formula is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part to be contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the present invention
Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-Only Memory,
ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. are various can be with storage program
The medium of code.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
- A kind of 1. power charging circuit, it is characterised in that including：Primary rectifier filter circuit, auxiliary circuit, transformer and Secondary commutation filter circuit；Described primary rectifier filter circuit one end is connected with power input port, the input winding one of the other end and the transformer End connection；Described secondary commutation filter circuit one end is connected with the output winding of the transformer, the other end and output port of power source connect Connect；Described auxiliary circuit one end be connected to the primary rectifier filter circuit and it is described input winding between, the other end with it is described Assists winding one end connection of transformer；The auxiliary circuit includes trimming integrated IC, auxiliary power supply circuit and voltage detecting circuit online, wherein, the auxiliary supplies Electric circuit on one side is connected with the power pin for trimming integrated IC online, the other end connects with described voltage detecting circuit one end Connect, and the voltage detecting pin for trimming integrated IC online is connected to the voltage detecting circuit；Described trim online is integrated with integrated IC in wire module, parameter acquisition module, online trimming module and memory module, It is described to trim system online for on-line joining process in wire module, the parameter acquisition module be used to obtaining it is described trim online it is integrated Parameter inside IC be uploaded to it is described it is online trim system, the online trimming module is used for according to described that online to trim system anti- The output voltage electric current for trimming instruction and trimming the transformer of feedback so that the output port of power source output target voltage electricity Stream.
- 2. power charging circuit according to claim 1, it is characterised in that the online trimming module includes fuse burning Disconnected unit, the output voltage electric current that technology trims the transformer is trimmed by fuse opening, to cause the power output end Mouth exports the target voltage electric current.
- 3. power charging circuit according to claim 1, it is characterised in that the memory module is situated between for non-volatile memories Matter, the memory module, which is used to storing, described trims instruction.
- 4. power charging circuit according to claim 1, it is characterised in that the auxiliary power supply circuit is additionally operable to one end company It is connected between the primary rectifier filter circuit and the input winding, the other end is connected with described assists winding one end.
- 5. power charging circuit according to claim 1, it is characterised in that the input winding other end with it is described online Integrated IC high pressure detection pin connection is trimmed, and the assists winding other end is grounded.
- 6. power charging circuit according to claim 5, it is characterised in that the voltage detecting for trimming integrated IC online Pin is connected to the voltage detecting circuit intermediate ends, and the voltage detecting circuit other end is grounded.
- 7. power charging circuit according to claim 6, it is characterised in that the voltage detecting circuit includes the of series connection One voltage detection resistances and second voltage detection resistance, the voltage detecting pin for trimming integrated IC online are connected to described Between one voltage detection resistances and the second voltage detection resistance.
- 8. power charging circuit according to claim 7, it is characterised in that the parameter trimmed online inside integrated IC Include the voltage parameter and current parameters, the voltage parameter and current parameters of the assists winding of the input winding, it is described defeated Enter the voltage parameter of winding by it is described trim integrated IC online and pass through the high pressure and detect pin obtain, the electricity of the assists winding Pressure parameter is trimmed integrated IC and obtained by the voltage detecting pin online by described, the current parameters for inputting winding and The current parameters of the assists winding are trimmed integrated IC and obtained by current sense pin online by described.
- 9. power charging circuit according to claim 8, it is characterised in that the current detecting for trimming integrated IC online Pin is connected with current sense resistor, and is grounded by the earth terminal of the voltage detecting circuit.
- 10. power charging circuit according to claim 1, it is characterised in that the input winding and the assists winding Opposite in phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711175664.1A CN107846060A (en) | 2017-11-22 | 2017-11-22 | A kind of power charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711175664.1A CN107846060A (en) | 2017-11-22 | 2017-11-22 | A kind of power charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107846060A true CN107846060A (en) | 2018-03-27 |
Family
ID=61680109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711175664.1A Pending CN107846060A (en) | 2017-11-22 | 2017-11-22 | A kind of power charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107846060A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783988A (en) * | 2019-11-08 | 2020-02-11 | 深圳微步信息股份有限公司 | Charging circuit and electronic device |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2511033Y (en) * | 2001-08-08 | 2002-09-11 | 乌鲁木齐特力电信实业发展有限公司 | Computer-comtrolled on-line UPS |
| CN201699461U (en) * | 2009-10-12 | 2011-01-05 | 厦门友盟电子有限公司 | Charger of battery of mobile telephone |
| CN102130596A (en) * | 2011-01-27 | 2011-07-20 | 广州金升阳科技有限公司 | Switching converter with wide input voltage range |
| CN202183733U (en) * | 2010-11-29 | 2012-04-04 | 技领半导体(上海)有限公司 | Power converter capable of achieving constant voltage of input end |
| EP2462686A1 (en) * | 2009-08-07 | 2012-06-13 | Robert Bosch GmbH | Charging device for charging a battery pack |
| CN103956917A (en) * | 2014-05-19 | 2014-07-30 | 深圳市新芯矽创电子科技有限公司 | Switch power supply circuit |
| CN204361671U (en) * | 2014-12-01 | 2015-05-27 | 华联电电子(深圳)有限公司 | A kind of charger protection circuit |
| CN104682743A (en) * | 2015-02-10 | 2015-06-03 | 厦门台和电子有限公司 | Multi-output power adapter circuit |
| CN104979893A (en) * | 2015-07-06 | 2015-10-14 | 衢州市沃思电子技术有限公司 | Standby power supply of electronic equipment |
| US20160280082A1 (en) * | 2014-05-28 | 2016-09-29 | Fuji Electric Co., Ltd. | Charger |
| CN106100378A (en) * | 2016-07-11 | 2016-11-09 | 华南理工大学 | A kind of wide scope input, the flyback power supply of Multiple isolated outputs |
| CN205882809U (en) * | 2016-07-26 | 2017-01-11 | 江苏超电新能源科技发展有限公司 | Charger circuit |
| CN207559664U (en) * | 2017-11-22 | 2018-06-29 | 深圳市助尔达电子科技有限公司 | A kind of power charging circuit |
-
2017
- 2017-11-22 CN CN201711175664.1A patent/CN107846060A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2511033Y (en) * | 2001-08-08 | 2002-09-11 | 乌鲁木齐特力电信实业发展有限公司 | Computer-comtrolled on-line UPS |
| EP2462686A1 (en) * | 2009-08-07 | 2012-06-13 | Robert Bosch GmbH | Charging device for charging a battery pack |
| CN201699461U (en) * | 2009-10-12 | 2011-01-05 | 厦门友盟电子有限公司 | Charger of battery of mobile telephone |
| CN202183733U (en) * | 2010-11-29 | 2012-04-04 | 技领半导体(上海)有限公司 | Power converter capable of achieving constant voltage of input end |
| CN102130596A (en) * | 2011-01-27 | 2011-07-20 | 广州金升阳科技有限公司 | Switching converter with wide input voltage range |
| CN103956917A (en) * | 2014-05-19 | 2014-07-30 | 深圳市新芯矽创电子科技有限公司 | Switch power supply circuit |
| US20160280082A1 (en) * | 2014-05-28 | 2016-09-29 | Fuji Electric Co., Ltd. | Charger |
| CN204361671U (en) * | 2014-12-01 | 2015-05-27 | 华联电电子(深圳)有限公司 | A kind of charger protection circuit |
| CN104682743A (en) * | 2015-02-10 | 2015-06-03 | 厦门台和电子有限公司 | Multi-output power adapter circuit |
| CN104979893A (en) * | 2015-07-06 | 2015-10-14 | 衢州市沃思电子技术有限公司 | Standby power supply of electronic equipment |
| CN106100378A (en) * | 2016-07-11 | 2016-11-09 | 华南理工大学 | A kind of wide scope input, the flyback power supply of Multiple isolated outputs |
| CN205882809U (en) * | 2016-07-26 | 2017-01-11 | 江苏超电新能源科技发展有限公司 | Charger circuit |
| CN207559664U (en) * | 2017-11-22 | 2018-06-29 | 深圳市助尔达电子科技有限公司 | A kind of power charging circuit |
Non-Patent Citations (1)
| Title |
|---|
| 白锡彬;王磊;史雪明;: "新型机车车载蓄电池充电器的设计", 电气时代, no. 12, 10 December 2007 (2007-12-10) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783988A (en) * | 2019-11-08 | 2020-02-11 | 深圳微步信息股份有限公司 | Charging circuit and electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101478183B (en) | Apparatus and method for obtaining electricity from high voltage electric cable | |
| CN105337328B (en) | Charging circuit and system for rechargeable battery | |
| CN205355895U (en) | Battery protection circuit | |
| CN206100017U (en) | Electric automobile fills electric pile communication protocol detection device | |
| CN106124842B (en) | A kind of the low current detection circuit and method of mobile power source | |
| CN104247200A (en) | Charge control apparatus and charge control method | |
| CN106936115A (en) | The method of motor protective circuit and controlled motor protection circuit | |
| CN107872090A (en) | A kind of energy-storage battery pre-charge circuit and pre-charge method | |
| CN109494819A (en) | A kind of charger and charging method | |
| CN106569015A (en) | AC load detection circuit | |
| CN107846060A (en) | A kind of power charging circuit | |
| CN106451363A (en) | Protection circuit of bidirectional converter, and power system with electricity storage function | |
| CN207559664U (en) | A kind of power charging circuit | |
| CN206250978U (en) | Switching Power Supply with input undervoltage protection | |
| CN102508155A (en) | Test circuit for internally installed load switch of intelligent electric energy meter | |
| CN106707183A (en) | Method and device for discharge test of storage battery | |
| CN206726080U (en) | Mu balanced circuit and power supply circuit, remote control with the mu balanced circuit | |
| CN107957723A (en) | Performance Test System, main system and the test method of electric machine controller | |
| CN202616992U (en) | Power factor correction circuit | |
| CN206250745U (en) | Switching Power Supply with output over-voltage protection | |
| Davis et al. | Evaluation of lithium-ion synergetic battery pack as battery charger | |
| CN206306843U (en) | Electric automobile and its leakage protection circuit | |
| Wang et al. | LPV Model-Based Fault Detection and Isolation in DC Microgrids Through Signature Recognition | |
| CN105244934B (en) | A kind of charging circuit of stand-by battery | |
| CN107192955A (en) | Lithium battery SOC statistical systems used for electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |