CN106786957B - A kind of portable car-mounted charging system - Google Patents
A kind of portable car-mounted charging system Download PDFInfo
- Publication number
- CN106786957B CN106786957B CN201710022886.3A CN201710022886A CN106786957B CN 106786957 B CN106786957 B CN 106786957B CN 201710022886 A CN201710022886 A CN 201710022886A CN 106786957 B CN106786957 B CN 106786957B
- Authority
- CN
- China
- Prior art keywords
- control unit
- module
- mcu micro
- voltage
- constant current
- 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.)
- Active
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 14
- 239000004065 semiconductor Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 2
- 230000004224 protection Effects 0.000 description 6
- 230000009466 transformation Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000000630 rising effect Effects 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
-
- 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
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- 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
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- 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
- H02J7/00304—Overcurrent protection
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 portable car-mounted charging system, the system is mainly made of charging interface, ADC analog to digital conversion module, boost module, MCU micro-control unit, constant current constant voltage control module, electric discharge interface；The charging interface is connected with vehicle-mounted cigarette lighter, and automobile storage battery provides electric energy to charging interface by vehicle-mounted cigarette lighter；Vehicle-mounted cigarette lighter is connected with ADC analog to digital conversion module, and the first output end of ADC analog to digital conversion module is connected with the input port of MCU micro-control unit, and the second output terminal of ADC analog to digital conversion module is connected with the second input terminal of boost module；First output end of the MCU micro-control unit is connected with the first input end of boost module, and the second output terminal of MCU micro-control unit is connected with the first input end of constant current constant voltage control module；The output end of boost module is connected with the second input terminal of constant current constant voltage control module, and the output end of constant current constant voltage control module is connected with electric discharge interface.The present invention has many advantages, such as delicate structure, easy-to-use.
Description
Technical field
The present invention relates to charging field, especially a kind of portable on-board charging systems.
Background technique
As people's living standard improves, automobile has entered into huge numbers of families, constantly meets the increasing demand of people,
But series of negative influence is also produced at the same time, energy prices are growing, and traffic condition is more crowded and people couple
Environmental consciousness is continuously improved, and therefore the various novel vehicles are also born, such as: electric foldable vehicle, balance car, swing car are sliding
These small-sized vehicles such as wooden handcart gradually enter into people's lives；Especially parking and traffic jam issue is increasingly tight
Weight also promotes more and more people to select this health, and environmental protection, the trip mode of fashion, beneficiaries include student, working
Driver etc. drives in race, even generation；It but all can only be at present charged by family's alternating current for the charging modes of this kind of product
Device AC-DC (exchange turns direct current) is converted, and the limitation of this mode is larger, and leaving alternating current just can not charge at all, special
When being not outside, if out of power be not available not only becomes a kind of burden instead, brought to the people of practical application very big
It influences.
Summary of the invention
It is an object of that present invention to provide it is a kind of it is easy to carry, easy-to-use, charged using DC to DC mode
Portable car-mounted charging system.
To achieve the above object, use following technical scheme: system of the present invention is mainly by charging interface, ADC mould
Transformation of variables module, boost module, MCU micro-control unit, constant current constant voltage control module, electric discharge interface composition；The charging
Mouth is connected with vehicle-mounted cigarette lighter, and automobile storage battery provides electric energy to charging interface by vehicle-mounted cigarette lighter；Vehicle-mounted cigarette lighter and ADC mould
Transformation of variables module is connected, and the first output end of ADC analog to digital conversion module is connected with the input port of MCU micro-control unit, ADC mould
The second output terminal of transformation of variables module is connected with the second input terminal of boost module；First output of the MCU micro-control unit
End is connected with the first input end of boost module, and the of the second output terminal of MCU micro-control unit and constant current constant voltage control module
One input terminal is connected；The output end of boost module is connected with the second input terminal of constant current constant voltage control module, constant current constant voltage control
The output end of module is connected with electric discharge interface.
Further, the MCU micro-control unit is HT46R064 single-chip microcontroller.
Further, the boost module is UC3843AN module.
Further, the constant current constant voltage control module includes constant current constant voltage control chip and LM321 operational amplifier；It is described
The input terminal of LM321 operational amplifier is connected with boost module, and the output end and constant current constant voltage of LM321 operational amplifier control core
Piece be connected, constant current constant voltage control chip input terminal be connected with MCU micro-control unit, constant current constant voltage control chip output end and
The interface that discharges is connected.
Further, the first output port of the MCU micro-control unit integrates metal-oxide-semiconductor, and the maximum operation temperature of metal-oxide-semiconductor
It is 80 DEG C.
Further, the ADC analog to digital conversion module acquires input voltage, output voltage, and input voltage is not less than 12V.
Compared with prior art, the present invention has the advantage that
1, make the boosting application that output carries out DC-DC using cigarette lighter socket, while using the charging modes of constant current constant voltage, In
Under the premise of security performance is secure, a kind of new charging modes are provided for new traffic tool continuation of the journey.
2, increase MCU control, allomeric function is more intelligent, automatically cut off when non-loaded or automobile storage battery is too low export into
Enter battery saving mode, reduces the risk that storage battery electricity exhausts.
3, all protections all devise software and hardware two layers (including overcurrent protection, short-circuit protection, overheat protector etc.),
Identical protective effect can also be played even if software protection failure hardware, avoids circuit uncontrollable.
4, output voltage is adjusted according to cell voltage rising is electrically charged, and is reduced fever and is promoted charging transfer efficiency.
Detailed description of the invention
Fig. 1 is system construction drawing of the invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing:
In system construction drawing of the invention as shown in Figure 1, system of the present invention is mainly by charging interface, ADC modulus
Conversion module, boost module, MCU micro-control unit, constant current constant voltage control module, electric discharge interface composition；The charging interface
It is connected with vehicle-mounted cigarette lighter, automobile storage battery provides electric energy to charging interface by vehicle-mounted cigarette lighter；Vehicle-mounted cigarette lighter and ADC modulus
Conversion module is connected, and the first output end of ADC analog to digital conversion module is connected with the input port of MCU micro-control unit, ADC modulus
The second output terminal of conversion module is connected with the second input terminal of boost module；First output end of the MCU micro-control unit
It is connected with the first input end of boost module, the second output terminal of MCU micro-control unit and the first of constant current constant voltage control module
Input terminal is connected；The output end of boost module is connected with the second input terminal of constant current constant voltage control module, and constant current constant voltage controls mould
The output end of block is connected with electric discharge interface.
The MCU micro-control unit is HT46R064 single-chip microcontroller.The boost module is UC3843AN module.The constant current
Isobarically Control module includes constant current constant voltage control chip and LM321 operational amplifier；The input terminal of the LM321 operational amplifier
It is connected with boost module, the output end of LM321 operational amplifier is connected with constant current constant voltage control chip, and constant current constant voltage controls chip
Input terminal be connected with MCU micro-control unit, constant current constant voltage control chip output end with discharge interface be connected.The MCU is micro-
First output port of control unit integrates metal-oxide-semiconductor, and the maximum operation temperature of metal-oxide-semiconductor is 80 DEG C.The ADC analog to digital conversion mould
Block acquires input voltage, output voltage, and input voltage is not less than 12V.
When being inserted into smoking base, the voltage of 12V_IN input is automobile storage battery voltage, and whether MCU first can detect input voltage
Greater than 12V (acquiring R20, R21 partial pressure value by ADC to obtain), then passes through MCU 14PIN control if more than 12V and open MOS
(U11), power on boosting the 7th foot VCC of IC U1, booster circuit starts and exports relevant voltage；The 4th foot CC of MCU detection sampling electricity
ADC value on resistance R18 judges output current value, if being less than 200mA without output electric current or charging current within 10S clock,
Think that not connecing load or battery fills with, controlled by MCU 14PIN and close MOS (U11), subsequent MCU suspend mode complete machine enters
Low-power consumption mode；Enter normal mode of operation if thering is charging current to be greater than 200mA, MCU starts timing and detects charging current, defeated
Enter voltage, output voltage and MOS temperature: (electric current should be no more than the perseverance of setting by the AD value on detection resistance R18 for electric current
The big height of flow point), input voltage it is logical by the AD value (input voltage do not allow lower than 12V) of acquisition R20, R21, C12, output voltage
The acquisition AD value of R22, R23, C13, MOS temperature are crossed by the AD value (temperature does not allow more than 80 DEG C) of acquisition R32, R31, if having
Abnormal then red indicating light D3 flashing alarm 5S, and MOS (U11) is closed by MCU 14PIN control, otherwise until charging current
Less than 200mA or removal is electrically charged battery, and automatically into suspend mode, (wake-up can dial slotting smoking base to MCU by key S3 or again
It powers on).
Effect by R27, Q6, R24, Q1, R26, Q2 built-up circuit is to promote charge efficiency, and MCU can be according to being electrically charged
Cell voltage appropriate adjustment output (make output voltage as close possible to be electrically charged cell voltage point) reduces pressure difference and reduces to reach
The effect of charge loss.
Working status indication (D3: red light, D4: green light), input and output voltage temperature acquisition (Input voltage:R20,
R21,C12；Output voltage:R22,R23,C13；Temperature acquisition: R32, R31), output voltage adjusting selection (R27, Q6,
R24、Q1、R26、Q2)。
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (1)
1. a kind of portable car-mounted charging system is made the boosting application that output carries out DC to DC using vehicle-mounted cigarette lighter, is adopted
Charged with constant current constant voltage mode, it is characterised in that: the charging system mainly by charging interface, ADC analog to digital conversion module,
Boost module, MCU micro-control unit, constant current constant voltage control module, electric discharge interface composition；Charging interface and vehicle-mounted cigarette lighter phase
Even, automobile storage battery provides electric energy to charging interface by vehicle-mounted cigarette lighter；Charging interface is connected with ADC analog to digital conversion module, ADC
First output end of analog to digital conversion module is connected with the input port of MCU micro-control unit, and the second of ADC analog to digital conversion module is defeated
Outlet is connected with the second input terminal of boost module；First input of the first output end and boost module of MCU micro-control unit
End is connected, and the second output terminal of MCU micro-control unit is connected with the first input end of constant current constant voltage control module；Boost module
Output end is connected with the second input terminal of constant current constant voltage control module, output end and the electric discharge interface phase of constant current constant voltage control module
Even；
Constant current constant voltage control module includes constant current constant voltage control chip and LM321 operational amplifier；LM321 operational amplifier it is defeated
Enter end to be connected with boost module, the output end of LM321 operational amplifier is connected with constant current constant voltage control chip, constant current constant voltage control
The input terminal of chip is connected with MCU micro-control unit, and the output end of constant current constant voltage control chip is connected with electric discharge interface；
First output port of MCU micro-control unit integrates metal-oxide-semiconductor, and the maximum operation temperature of metal-oxide-semiconductor is 80 DEG C；ADC modulus
Conversion module acquires input voltage, output voltage, and input voltage is not less than 12V；MCU micro-control unit is HT46R064 monolithic
Machine；Boost module is UC3843AN module；
Charging interface is inserted into vehicle-mounted cigarette lighter, and the voltage of 12V_IN input is automobile storage battery voltage, passes through ADC analog to digital conversion module
Acquisition, MCU micro-control unit first detects whether input voltage is greater than 12V, if more than 12V, then passes through MCU micro-control unit
Metal-oxide-semiconductor is opened in 14PIN control, powers on the 7th foot VCC of boost module, booster circuit starts and exports relevant voltage；MCU micro-control
ADC value on the 4th foot CC of unit processed detection sampling resistor judge output current value, if within 10S clock without export electric current or
Charging current is less than 200mA, then it is assumed that does not connect load or battery fills with, controlled and closed by MCU micro-control unit 14PIN
Metal-oxide-semiconductor, subsequent MCU micro-control unit suspend mode, complete machine enter low-power consumption mode；
If there is charging current to be greater than 200mA, enter normal mode of operation, MCU micro-control unit starts timing and detects charging electricity
Stream, input voltage, output voltage and metal-oxide-semiconductor temperature: the AD value of electric current, the AD value of input voltage, the AD value of output voltage,
The AD value of metal-oxide-semiconductor temperature, the red indicating light flashing alarm 5S if having exception, and pass through MCU micro-control unit 14PIN control pass
Metal-oxide-semiconductor is closed, is otherwise electrically charged battery until charging current is less than 200mA or removes, MCU micro-control unit is automatically into suspend mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022886.3A CN106786957B (en) | 2017-01-12 | 2017-01-12 | A kind of portable car-mounted charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022886.3A CN106786957B (en) | 2017-01-12 | 2017-01-12 | A kind of portable car-mounted charging system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106786957A CN106786957A (en) | 2017-05-31 |
| CN106786957B true CN106786957B (en) | 2019-11-19 |
Family
ID=58947600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710022886.3A Active CN106786957B (en) | 2017-01-12 | 2017-01-12 | A kind of portable car-mounted charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106786957B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111432516A (en) * | 2020-04-26 | 2020-07-17 | 湖南翔拓新创实业有限公司 | Deep ultraviolet L ED automatic control system and automatic control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427261A (en) * | 2011-12-09 | 2012-04-25 | 深圳市威康普科技有限公司 | Constant-current and constant-voltage circuit for standby power supply of vehicle-mounted DVR (discharge voltage regulator) equipment lead-acid storage battery |
| CN102647011A (en) * | 2012-04-10 | 2012-08-22 | 广州市微尔数码科技有限公司 | Buck-boost-integrated wide-range-output automatic-load-detection mobile power circuit |
| CN204012789U (en) * | 2014-06-12 | 2014-12-10 | 湖州上电科电器科学研究有限公司 | Vehicle-mounted monitoring platform power administration module |
| CN204992667U (en) * | 2015-08-10 | 2016-01-20 | 黄少权 | Vehicle event data recorder power switching over system |
-
2017
- 2017-01-12 CN CN201710022886.3A patent/CN106786957B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427261A (en) * | 2011-12-09 | 2012-04-25 | 深圳市威康普科技有限公司 | Constant-current and constant-voltage circuit for standby power supply of vehicle-mounted DVR (discharge voltage regulator) equipment lead-acid storage battery |
| CN102647011A (en) * | 2012-04-10 | 2012-08-22 | 广州市微尔数码科技有限公司 | Buck-boost-integrated wide-range-output automatic-load-detection mobile power circuit |
| CN204012789U (en) * | 2014-06-12 | 2014-12-10 | 湖州上电科电器科学研究有限公司 | Vehicle-mounted monitoring platform power administration module |
| CN204992667U (en) * | 2015-08-10 | 2016-01-20 | 黄少权 | Vehicle event data recorder power switching over system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106786957A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206650446U (en) | A kind of low-power consumption standby circuit of BMS | |
| CN103166290A (en) | Control and protection circuit for single-lithium battery electric tool and detection and control method for control and protection circuit | |
| WO2017148385A1 (en) | Smart automobile battery | |
| CN212063548U (en) | Wired charging box for Bluetooth headset | |
| CN106786957B (en) | A kind of portable car-mounted charging system | |
| CN108173327A (en) | A kind of auto-power-off energy-saving protective device | |
| CN203707839U (en) | Intelligent vehicle power supply rescue device | |
| CN108819752A (en) | Battery management system | |
| CN203339787U (en) | Electric energy meter power supply system | |
| CN209282888U (en) | Intelligent charge management module | |
| CN103779890A (en) | Vehicle charging and emergency power supply system based on electric vehicle and control method thereof | |
| CN206250797U (en) | A kind of intelligent charge protector | |
| CN207037517U (en) | A kind of power supply of lampblack absorber cleaning equipment | |
| CN104617608A (en) | Portable power source with car startup backup function | |
| CN109904911A (en) | A kind of bidirectional electric automobile charging onboard charger | |
| CN211139052U (en) | Lithium battery charger for vehicle-mounted electric vehicle | |
| CN107546815B (en) | Universal charger | |
| CN218549536U (en) | Vehicle-mounted emergency power supply circuit | |
| CN207184149U (en) | A kind of road safety monitoring uninterrupted power supply circuit | |
| CN205725093U (en) | A kind of multifunction electric bicycle charger | |
| CN207200370U (en) | A kind of multifunctional microcomputer controls car emergency startup power supply | |
| CN212124855U (en) | Novel electric automobile vehicle control unit power module | |
| CN205231797U (en) | On -vehicle USB two port battery charging outfit | |
| CN201298752Y (en) | Power supply switch module of electric power theft-proof alarm | |
| CN206533179U (en) | A kind of smart mobile phone quick charger |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200818 Address after: Building 2, 3 and 4, Xiulin SME Incubation Park, No. 71, Shishou Avenue, Shishou Economic Development Zone, Jingzhou City, Hubei Province Patentee after: Hubei delneng New Energy Technology Co.,Ltd. Address before: 523770, No. 243 North Long Road, Lane head, Dalang Town, Dongguan, Guangdong Patentee before: DONGGUAN DRN NEW ENERGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20210409 Address after: 464000 No.76, Liuwa Industrial Park, Xinyang high tech Zone, Henan Province Patentee after: Henan Dexi new energy Co.,Ltd. Address before: 434000 Building 2, 3 and 4, Xiulin small and medium sized Enterprise Incubation Park, No. 71, Shishou Avenue, Shishou Economic Development Zone, Jingzhou City, Hubei Province Patentee before: Hubei delneng New Energy Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211103 Address after: 434499 Room 401, building 4, Xiulin SME Incubation Park, No. 71, Shishou Avenue, Shishou Economic Development Zone, Jingzhou City, Hubei Province (self declaration) Patentee after: Hubei DEX new energy Co.,Ltd. Address before: 464000 No.76, Liuwa Industrial Park, Xinyang high tech Zone, Henan Province Patentee before: Henan Dexi new energy Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221017 Address after: Room 1530, Block B, Fenghui Times Technology Center, Shijia Community, Matian Street, Guangming District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Electric Genie Sales Co.,Ltd. Address before: 434499 Room 401, building 4, Xiulin SME Incubation Park, No. 71, Shishou Avenue, Shishou Economic Development Zone, Jingzhou City, Hubei Province (self declaration) Patentee before: Hubei DEX new energy Co.,Ltd. |
|
| TR01 | Transfer of patent right |