CN206302187U - Novel car charger - Google Patents
Novel car charger Download PDFInfo
- Publication number
- CN206302187U CN206302187U CN201621460011.9U CN201621460011U CN206302187U CN 206302187 U CN206302187 U CN 206302187U CN 201621460011 U CN201621460011 U CN 201621460011U CN 206302187 U CN206302187 U CN 206302187U
- Authority
- CN
- China
- Prior art keywords
- modular converters
- novel car
- synchronous buck
- switching switch
- car charger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The utility model discloses a kind of Novel car charger, including switching switch, synchronous buck module, DC DC modular converters and DC AC modular converters, automobile storage battery is connected with the switching switch, the switching switch is connected with the synchronous buck module, the DC DC modular converters respectively, the synchronous buck module is connected with some 5V USB interfaces, and the DC DC modular converters are connected after being connected with a DC AC modular converters with 220V exchange interfaces.The integrally disposed 5V USB interfaces output of the Novel car charger and the output of alternating current 220V interface, simple structure, compact.
Description
Technical field
The utility model is related to vehicle electronic device technical field, more particularly to a kind of Novel car charger.
Background technology
The onboard charger of automobile storage battery (car 12V, truck 24V) power supply is conventionally used for, it is a large amount of using various portable
The lithium cell charging field of formula, portable equipment, such as:Mobile phone, PDA, GPS etc.；Onboard charger should consider that lithium battery fills
The actual demand (constant pressure CV, constant current CC, overvoltage protection OVP) of electricity, takes into account adverse circumstances (the transient peak electricity of vehicular power-bottle again
Pressure, system switching noise jamming, EMI etc.)；Therefore car fills the power management IC of scheme selection and must simultaneously meet:It is high pressure resistant, it is high
Efficiency, high reliability, the switching power source chip of low frequency (being conducive to the design of EMI).
Common onboard charger is monolithic 34063A realizations, this scheme poor reliability, unitary function；There is no excess temperature to protect
The security measures such as shield, short-circuit protection；Although output is DC voltage, the mode of controlled output constant-current charge electric current is maximum
Switching current peak value is limited, and precision is not high enough；Due to 34063, for 1.5A switching current PWM+PFM patterns, (internal no error is put
Big device), its car fills the ripple of scheme output DC voltage and current than larger, not pure enough；Output current ability is also very limited.
Onboard charger is that car owner is whenever and wherever possible the accessory of digital product charging with vehicle-mounted car charging source for convenience.Car
Carry charger and generally comprise 2 USB interfaces, can simultaneously for two digital products charge.This kind of product typically has overload protection,
Short-circuit protection, high input voltage protection, high temperature protection, quadruple safety protection function, it is ensured that can use safely.Onboard charger is in car
With while, also can family expenses, realize that car fills, directly fills, USB fills three-in-one multifunctional purposes.
As the development of auto industry, onboard charger are widely used, multifunctionality, portability, fashion are showed
Feature；Therefore, onboard charger is not only to need to meet the output of 5V USB interfaces, in addition it is also necessary to more diversified output side
Formula, typically realizes alternating current 220V using vehicle-mounted inverter, but the general volume of existing vehicle-mounted inverter is larger, it has not been convenient to make
With and carry.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of Novel car charger, and integrally disposed 5V USB connect
Mouth output and the output of alternating current 220V interface, simple structure, compact.
In order to solve the above-mentioned technical problem, specifically, the technical solution of the utility model is as follows：
A kind of Novel car charger, including switching switch, synchronous buck module, DC-DC modular converters and DC-AC turn
Mold changing block, automobile storage battery be connected with the switching switch, the switching switch respectively with the synchronous buck module, described
DC-DC modular converters are connected, and the synchronous buck module is connected with some 5V USB interfaces, the DC-DC modular converters and
It is connected with 220V exchange interfaces after the connection of DC-AC modular converters.
Further, the Novel car charger also includes circuit protection module, and the circuit protection module is arranged on
Between the automobile storage battery and switching switch.
Further, the DC-DC modular converters include push-pull inverter circuit, high frequency transformer, full bridge rectifier and
Full bridge inverter, the trigger signal end of the push-pull inverter circuit is first with the high frequency transformer by a switching tube respectively
Level winding coil two ends connection, automobile storage battery is connected with the armature winding centre cap；The secondary of the high frequency transformer
Winding is connected with the full bridge rectifier, the full bridge inverter successively, exports 22V DC voltages.
Further, the DC-AC moduluss of conversion are full bridge inverters, and the full bridge inverter is by two group power groups
Into two group powers are turned in turn, are spaced 180 °.
Further, the synchronous buck module is to constitute switch using monolithic bipolar linear integrated circuit MC34063
Formula buck converter.
Further, the synchronous buck module is formed using MP2307 chips, power inductance and variable resistor, described
MP2307 chips and the power inductance form basic circuit, and output voltage is adjusted by the variable resistor.
Further, the synchronous buck module, the DC-DC modular converters and the DC-AC modular converters are integrated
It is arranged in charger main casing, one end of the charger main casing is provided with the inserting terminal being engaged with cigar lighter, separately
One end is provided with USB, and the side of the charger main casing is provided with exchange socket, the switching switch of the switching switch
Button is provided with the charger main casing outer wall.
Using above-mentioned technical proposal, due to using the conversion of DC-DC DC boostings and DC-AC inversion two-stage circuit structures, being
System small volume, it is lightweight, be easy to carry, it is adaptable to it is vehicle-mounted to use；Power output is stable and reliable in work up to 150W, can meet
The electricity consumption of general alternating current equipment.Meanwhile, USB interface can be the equipment charges with USB interface such as mobile phone, and practical value is high.
Brief description of the drawings
Fig. 1 is Novel car charger structured flowchart of the present utility model；
Fig. 2 is DC-DC converting circuit structure figures in Novel car charger of the present utility model；
Fig. 3 is DC-AC converting circuit structure figures in Novel car charger of the present utility model；
Fig. 4 is the first synchronous buck circuit structure diagram in Novel car charger of the present utility model；
Fig. 5 is second synchronous buck circuit structure diagram in Novel car charger of the present utility model；
Fig. 6 is Novel car charger housing front view of the present utility model；
Fig. 7 is Novel car charger housing top view of the present utility model；
In figure, 10- charger main casings, 20- inserting terminals, 30- switching switch keys, 40- exchange sockets, 50-USB is inserted
Mouthful.
Specific embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.Herein it should be noted that
It is used to help understand the utility model for the explanation of these implementation methods, but does not constitute to restriction of the present utility model.This
Outward, as long as technical characteristic involved in the utility model disclosed below each implementation method does not constitute conflict each other
Can just be mutually combined.
As shown in figure 1, a kind of Novel car charger, including switching switch, synchronous buck module, DC-DC modular converters
And DC-AC modular converters, automobile storage battery with it is described switching switch be connected, it is described switching switch respectively with the synchronous buck
Module, DC-DC modular converters connection, the synchronous buck module are connected with some 5V USB interfaces, the DC-DC conversions
Module is connected after being connected with a DC-AC modular converters with 220V exchange interfaces.
Wherein, the Novel car charger also includes circuit protection module, and the circuit protection module is arranged on described
Between automobile storage battery and switching switch.
Wherein, the DC-DC modular converters include push-pull inverter circuit, high frequency transformer, full bridge rectifier and full-bridge
Inverter circuit, the trigger signal end of the push-pull inverter circuit respectively by a switching tube and the high frequency transformer it is primary around
Group coil two ends connection, automobile storage battery is connected with the armature winding centre cap；The secondary windings of the high frequency transformer
It is connected with the full bridge rectifier, the full bridge inverter successively, exports 22V DC voltages.
As shown in Fig. 2 realizing push-pull inverter circuit, a kind of TL494 pulse width controls that frequency is fixed enough by TL494
Device, Embedded error amplifier, Dead Time can control, and output control can be used for push-pull type and monofocal.High frequency transformer
Armature winding centre cap meets automobile storage battery 12V, and coil two termination switching tube MOS1 and MOS2, trigger signal are carried by TL494
For being spaced 180 °.When MOS1 is turned on, MOS2 cut-offs, automobile storage battery 12V voltages are added in armature winding W12 and MOS1 composition
On loop, the voltage induced on winding W12 is equal with battery feed voltage, and Same Name of Ends is positive polarity, secondary windings W2 senses
Answer just lower negative on voltage.When MOS2 is turned on, MOS1 cut-offs, battery 12V voltages are added in returning for armature winding W11 and MOS2 composition
Lu Shang, winding W11 Same Name of Ends are negative pole surname, under being born on secondary windings W2 induced voltages just.So, obtained on secondary windings W2
The alternation square-wave voltage of 180 ° of pulsewidth, then obtain 22V DC voltages after fast recovery diode D1-D10 full-wave rectifications.
Wherein, the DC-AC moduluss of conversion are full bridge inverters, and the full bridge inverter is made up of two group powers,
Two group powers are turned in turn, are spaced 180 °.
As shown in figure 3, power tube MOS4 and MOS5 are one group, MOS3 and MOS6 is one group, and two group powers are turned in turn.
Selection pulsewidth modulation (PWM) control mode, concrete principle is：MOS5 and MOS6 turn on 180 ° in turn, and MOS3 and MOS4 is also same
The mode of sample.The trigger signal of lower bridge arm MOS4 and MOS6 is more early than upper bridge arm MOS3 and MOS5, is so conducive to upper bridge arm work(
The triggering of rate pipe.The selection of 4 NMOS power tubes IR-FR320, the pressure-resistant 400V of the pipe highest, maximum current of bridge inverter main circuit
It is 3.1A, input impedance is high, drain-source resistance is only 1.8 Ω.And in order to reduce the volume of inverter, have selected TO-252AA
Paster type encapsulation.
Wherein, the synchronous buck module is to constitute switching regulator drop using monolithic bipolar linear integrated circuit MC34063
Buckling parallel operation.As shown in figure 4, MC34063 can work under the input voltage of 3~40V, output switch electric current is defeated up to 1.5A
Go out voltage adjustable, working oscillation frequency is from 100Hz~100kHz.
Wherein, the synchronous buck module is formed using MP2307 chips, power inductance and variable resistor, described
MP2307 chips and the power inductance form basic circuit, and output voltage is adjusted by the variable resistor.
As shown in figure 5, MP2307 chips and a basic circuit of highly efficient power inductance composition, module acquiescence output
It is 3.3V.MP2307 input voltage highest 23V, export continuous 3A, and pulse 4A electric currents, the switching frequency of 340KHZ, high current is defeated
Efficiency is more than 95% under artificial situation.R2 takes the i.e. exportable 5.0V voltages of 45K, highly stable.The hanging circuit work of 1 pin, to negative pole
Connection is exactly to be stopped.
As shown in Figure 6,7, the synchronous buck module, the DC-DC modular converters and the DC-AC modular converters collection
Into being arranged in charger main casing 10, one end of the charger main casing 10 is provided with the inserted terminal being engaged with cigar lighter
Son 20, the other end is provided with USB 50, and the side of the charger main casing 10 is provided with exchange socket 40, the switching
The switching switch key 30 of switch is provided with the outer wall of charger main casing 10.
Implementation method of the present utility model is explained in detail above in association with accompanying drawing, but the utility model is not limited to be retouched
The implementation method stated.For a person skilled in the art, it is right in the case where the utility model principle and spirit is not departed from
These implementation methods carry out various changes, modification, replacement and modification, still fall within protection domain of the present utility model.
Claims (7)
1. a kind of Novel car charger, it is characterised in that：Including switching switch, synchronous buck module, DC-DC modular converters with
And DC-AC modular converters, automobile storage battery with it is described switching switch be connected, it is described switching switch respectively with the synchronous buck mould
Block, DC-DC modular converters connection, the synchronous buck module are connected with some 5V USB interfaces, the DC-DC moduluss of conversion
Block is connected after being connected with a DC-AC modular converters with 220V exchange interfaces.
2. a kind of Novel car charger according to claim 1, it is characterised in that：Also include circuit protection module, institute
Circuit protection module is stated to be arranged between the automobile storage battery and switching switch.
3. a kind of Novel car charger according to claim 2, it is characterised in that：The DC-DC modular converters include
Push-pull inverter circuit, high frequency transformer, full bridge rectifier and full bridge inverter, the trigger signal of the push-pull inverter circuit
End is connected by a switching tube with the primary winding coil two ends of the high frequency transformer respectively, automobile storage battery and the primary
Winding centre cap is connected；The secondary windings of the high frequency transformer successively with the full bridge rectifier, the full-bridge inverting
Circuit is connected, and exports 22V DC voltages.
4. a kind of Novel car charger according to claim 2, it is characterised in that：The DC-AC moduluss of conversion are full-bridges
Inverter circuit, the full bridge inverter is made up of two group powers, and two group powers are turned in turn, is spaced 180 °.
5. a kind of Novel car charger according to claim 2, it is characterised in that：The synchronous buck module is to utilize
Monolithic bipolar linear integrated circuit MC34063 constitutes switch-type voltage-dropping converter.
6. a kind of Novel car charger according to claim 2, it is characterised in that：The synchronous buck module is utilized
MP2307 chips, power inductance and variable resistor are formed, and the MP2307 chips and the power inductance form basic circuit,
Output voltage is adjusted by the variable resistor.
7. a kind of Novel car charger according to claim 1, it is characterised in that：It is the synchronous buck module, described
DC-DC modular converters and the DC-AC modular converters are integrally disposed in charger main casing, the charger main casing
One end is provided with the inserting terminal being engaged with cigar lighter, and the other end is provided with USB, the side of the charger main casing
Exchange socket is provided with, the switching switch key of the switching switch is provided with the charger main casing outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460011.9U CN206302187U (en) | 2016-12-28 | 2016-12-28 | Novel car charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460011.9U CN206302187U (en) | 2016-12-28 | 2016-12-28 | Novel car charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206302187U true CN206302187U (en) | 2017-07-04 |
Family
ID=59205099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621460011.9U Expired - Fee Related CN206302187U (en) | 2016-12-28 | 2016-12-28 | Novel car charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206302187U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509796A (en) * | 2019-08-30 | 2019-11-29 | 深圳市高斯宝电气技术有限公司 | A kind of vehicle-mounted bidirectional charger circuit of electric car |
| CN110509796B (en) * | 2019-08-30 | 2024-05-17 | 深圳市能效电气技术有限公司 | Vehicle-mounted bidirectional charger circuit of electric automobile |
-
2016
- 2016-12-28 CN CN201621460011.9U patent/CN206302187U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509796A (en) * | 2019-08-30 | 2019-11-29 | 深圳市高斯宝电气技术有限公司 | A kind of vehicle-mounted bidirectional charger circuit of electric car |
| CN110509796B (en) * | 2019-08-30 | 2024-05-17 | 深圳市能效电气技术有限公司 | Vehicle-mounted bidirectional charger circuit of electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20171228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |