CN208797657U - A kind of multi-functional more mouthfuls of output fast charge power supply - Google Patents
A kind of multi-functional more mouthfuls of output fast charge power supply Download PDFInfo
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- CN208797657U CN208797657U CN201821440979.4U CN201821440979U CN208797657U CN 208797657 U CN208797657 U CN 208797657U CN 201821440979 U CN201821440979 U CN 201821440979U CN 208797657 U CN208797657 U CN 208797657U
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Abstract
The utility model discloses a kind of multi-functional more mouthfuls of output fast charge power supplys; it include input EMC filter module including fast charge power supply; for preventing interference of the input power grid to power module, input power module receives feed circuit signal using PWM IC and carries out input over-and under-voltage protection；Output power module reduces the loss of secondary commutation circuit using synchronous rectification；Output voltage feedback module, for quick and accurate feedback output voltage fluctuating change to the PWM IC of input power module；System control module for Real-time Feedback output voltage and output electric current, and carries out output over-voltage protection；Intelligent display module is exported, for showing charged state；Intelligent current limliting module is exported, is connect with the output end of output power module, for individually carrying out current-limiting protection to each single channel；Fast charge intelligent recognition control module is connect with the output intelligence current limliting module of each single channel, detects electronic device terminal；Using multiple protective circuit, the safety that power supply uses is improved.
Description
Technical field
The utility model relates to fast charge power technique fields, specially a kind of multi-functional more mouthfuls of output fast charge power supply.
Background technique
With the raising gradually of living standard, it can be found that having no lack of electronic product around everybody, but electrical type produces
Product are mostly equipped with battery, but when needing quickly and easily to charge when number is various, this just becomes a problem.
Current generation, " fast " have become themes of the times, and it is to pursue fast, the charging to mobile phone that no matter people, which do what,
It is to require to be getting faster, following " fast " that we just have a talk to mobile phone charging.The speed that present mobile phone updates is getting faster, function
Can be also stronger and stronger, corresponding is battery technology in recent years without significantly breaking through and reforming greatly, and development relatively lags behind, leads
The cruising ability decline of mobile phone is caused, battery of mobile phone is also unable to escape " filling within one day one ", the misfortune even " filled more than a day ".
Certainly, many cell phone manufacturers also appreciate having too many difficulties to cope with for mobile phone cruising ability, therefore develop in battery technology
In relatively slow situation, the mode of " curve is saved the nation " is taken to extend the time that uses of smart phone, that is, shortens filling for mobile phone
The electric time.
But it is standby now with quickly filling for electronic equipment, also allow charge requirement increasing, digital product the more is bought the more more,
Charger occupies a large amount of socket, and the wire rod plug of tableful not only unsightly also easily causes security risk.It gos out
Outside, always for inconvenience with too many plug, one can solve the problems, such as the more equipment energy intelligent recognitions of more people and quick charge simultaneously
Charger is just at rigid need.
Utility model content
In order to overcome the shortcomings of prior art, the utility model provides a kind of multi-functional more mouthfuls of output fast charge power supply,
It can effectively solve the problem of background technique proposes.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of multi-functional more mouthfuls of output fast charge power supply, the fast charge power supply includes input EMC filter module, defeated for preventing
Enter interference of the power grid to power module, while being also prevented from the interference of electric power source pair of module power grid；
Input power module is connect, for converting alternating current to direct current with the output end of the input EMC filter module
Electricity directly powers to each circuit unit, at the same also using PWM IC receive feed circuit signal carry out input over-and under-voltage protection,
Input overcurrent protection and input overheat protector；
Output power module is connect with the output end of the input power module, is reduced using synchronous rectification secondary
The loss of rectification circuit；
Output voltage feedback module is connect with the output end of the output power module, for quickly simultaneously accurate feedback to be defeated
The PWM IC of the input power module is given in the fluctuating change of voltage out；
System control module is connected with the output voltage feedback module, the input power module respectively, for real-time
Feedback output voltage and output electric current, and carry out output over-voltage protection and output overcurrent protection；
Intelligent display module is exported, is connect with the output end of the output power module, and is fed back with the output voltage
Wired in parallel, for showing charged state；
Export intelligent current limliting module, connect with the output end of the output power module, be used for each single channel individually into
Row current-limiting protection, while other each road outputs are not influenced；
Fast charge intelligent recognition control module is connect, using in conjunction with the output intelligence current limliting module of each single channel
The fast charge intelligent recognition scheme of manufacturer's joint development, detects different electronic device terminals.
Several related filters are equipped with as the utility model a preferred technical solution, in the input EMC filter module
Wave element, specifically by the differential mode inductance of electric connection, common-mode point and X capacitor.
As the utility model a preferred technical solution, in the input power module, power conversion circuit
Energy storage device use POT Bobbin and Core.
As the utility model a preferred technical solution, the circuit control part in the system control module includes
Main power voltage feed circuit and current foldback circuit.
As the utility model a preferred technical solution, also added in the output voltage feedback module be reduced it is defeated
The linear compensation circuit of the line loss of outlet, end product voltage stability when for guaranteeing High-current output.
As the utility model a preferred technical solution, circuit is imitated using lamp in the output intelligent display module,
Different colors are shown from control bi-colour light when standby mode in charged state, and light color is utilized to change the working condition of instruction power supply
For charging in or fill with.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model output power circuit uses synchronous rectification, greatly improves the working efficiency of product, effectively
Reduce the temperature rise of crucial heater element secondary metal-oxide-semiconductor, while the space of cooling fin can be saved, the effective product that reduces
Size more minimizes so that product power density is higher；
(2) the utility model is applied widely, can detect and be applicable in the electronic device terminal of various not homologous rays, and one
Fast charge power supply is applicable to multiple and different electronics settings, reduces the usage amount of charger, easy to carry, and when increasing charging
Security performance；
(3) the utility model will input over-voltage over-current protection, output overvoltage overcurrent protection and single channel output protection and combine and makes
With so that fast charge power supply has multiple protection functions, output of products has the function of output overvoltage and overcurrent, when end product failure
When, this power supply can quickly cut off output, and protection terminal appliance is against damages.
Detailed description of the invention
Fig. 1 is the fast charge power circuit block process schematic diagram of the utility model；
Fig. 2 is the output voltage controlling circuit schematic diagram of the utility model；
Fig. 3 is the single channel charging application circuit schematic diagram of the utility model；
Fig. 4 is the linear compensation circuit schematic diagram of the utility model；
Fig. 5 is the output circuit of synchronous rectification schematic diagram of the utility model；
Fig. 6 is the output intelligence current-limiting circuit schematic diagram of the utility model；
Fig. 7 is the fast charge intelligent identifying circuit schematic diagram of the utility model；
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figures 1 to 7, the utility model provides a kind of multi-functional more mouthfuls of output fast charge power supply, including input EMC
Filter module, input power module, output power module, output voltage feedback module, system control module, output intelligent display
Module exports intelligent current limliting module and fast charge intelligent recognition control module.
EMC filter module is wherein inputted, prevents interference of the input power grid to power module using several correlation filtering elements,
It is also prevented from the interference of electric power source pair of module power grid simultaneously, filter element is specifically by the differential mode inductance of electric connection, common-mode point and X
Capacitor, can satisfy national standard CCC, other requirements of safety mechanism to electromagnetic compatibility EMC such as U.S. FCC shield electromagnetic interference, make
Product is more environmentally friendly, safer.
Input power module is connect, for converting alternating current to direct current with the output end of the input EMC filter module
Electricity directly powers to each circuit unit, at the same also using PWM IC receive feed circuit signal carry out input over-and under-voltage protection,
Overcurrent protection and input overheat protector are inputted, the limit stand-by power consumption of PWM IC control circuit can meet wanting for COC V6 (75mW)
It asks, realizes comprehensive energy-saving and emission-reduction requirement.
The realization process of input over-and under-voltage protection: PWM IC detects the voltage of transformer auxiliary winding by circuit to prevent
Only input voltage is too low or too high causes damage of product (beyond nominal input voltage)；
The realization process of overcurrent protection: PWM IC intelligence real-time detection input terminal current situation is inputted, when input current is different
Automatic protection when often, shutdown output prevent circuit and related component damage；
Input the realization process of overheat protector: PWM IC real-time detection power supply product internal temperature rise situation works as power supply product
Automatic protection when internal temperature is excessively high, shutdown output, declines product internal temperature, prevents circuit and related component damage.
In addition in the present embodiment, in input power module, the energy storage device of power conversion circuit uses POT
Bobbin and Core, power density small in size is high, and magnetic loss, copper loss are small, and shield effectiveness is good, are very beneficial for passing through EN55013
And 15 standard of FCC Part.
PWM IC is specially pwm chip, and pwm chip is the chip for controlling and adjusting duty ratio, pulse
Width modulated is a kind of analog control mode, according to the variation of respective loads come modulation transistor base stage or metal-oxide-semiconductor grid
Biasing, the change of Lai Shixian transistor or metal-oxide-semiconductor turn-on time, to realize the change of switching power supply output.This side
Formula can be such that the output voltage of power supply keeps constant in operation conditions change, be the digital signal using microprocessor to simulation electricity
A kind of very effective technology that road is controlled.
PWM control technology is simple with its control, flexibly and the good advantage of dynamic response and it is most wide as power electronic technique
The control mode of general application and the hot spot of people's research.Since the development of current science and technology is without between subject
Boundary, in conjunction with modern control theory thought or realize resonance free wave switching technique will become PWM control technology develop master
Want one of direction.It is according to the variation of respective loads come the biasing of modulation transistor base stage or metal-oxide-semiconductor grid, Lai Shixian transistor
Or the change of metal-oxide-semiconductor turn-on time, to realize the change of switching power supply output.This mode can make the output electricity of power supply
Kept constant when being pressed in operation conditions change, be using microprocessor digital signal to analog circuit controlled one kind it is non-
Normal effective technology.
Output power module is connect with the output end of input power module, the electric circuit electronics technical of specific circuit of synchronous rectification
As shown in figure 5, wherein U5 is high performance synchronous rectification control chip, D15 is synchronous rectification switch MOSFET pipe, T1 for element connection
For transformer.
The loss of secondary commutation circuit is reduced using synchronous rectification, and secondary commutation circuit is almost close to zero damage
Consumption, greatly improves the working efficiency of product, it is ensured that meets the related energy laws and regulations requirement when power work, effectively reduces key
The temperature rise of heater element secondary metal-oxide-semiconductor.The space that cooling fin can be saved simultaneously, effectively reduces the size of the product, so that producing
Product power density is higher, more minimizes, and carries convenient for product, using more convenient.
Output voltage feedback module is connect with the output end of output power module, and output voltage feed circuit is using accurate
Spend very high 431 plus optocoupler schemes, can quickly and accurate feedback output voltage fluctuating change give the input power
PWM IC, the PWM IC adjustment related power device of module makes output voltage tend towards stability.
It should be added that, it is contemplated that the line loss of output line exists, and also has additional and subtracts in output voltage feedback module
The linear compensation circuit of the line loss of few output line, end product voltage stability when for guaranteeing High-current output, line mend circuit
Schematic diagram is as shown in Figure 4.
System control module is connected with the output voltage feedback module, the input power module respectively, for real-time
Feedback output voltage and output electric current, using the circuit control part in system control module, specially main power voltage is fed back
Circuit, linear compensation circuit and current foldback circuit carry out output over-voltage protection and output overcurrent protection.
It wherein further illustrates, the concrete mode and process of output over-voltage protection are as follows: Real-time Feedback output voltage, when
When appearance exception makes output voltage excessively high, system enters guard mode；After unusual condition releases, output voltage restores automatically
To normal output voltage.
The concrete mode and process of output overcurrent protection are as follows: when the over proof output upper current limit of output electric current, be
System enters guard mode, turns off output voltage；After exporting electric current recovery normally, System undoes are protected, and output voltage is automatically extensive
Again to normal output voltage.
The concrete mode and process of output short circuit protection are as follows: when electric current is too big, when short-circuit condition is presented in output end, system into
Enter guard mode, turns off output voltage；After short-circuit condition revocation, System undoes protection, output voltage restores automatically to normal
Output voltage.
System control module is used cooperatively with input power module, and the output voltage and output electric current to circuit are realized double
Protection, improves the security performance of charging circuit.
Intelligent display module is exported, is connect with the output end of the output power module, and is fed back with the output voltage
Wired in parallel imitates circuit using lamp, shows different colors, instruction power supply from bi-colour light is controlled when standby mode in charged state
Working condition be charging in or fill with, be mainly used for show charged state.
Intelligent current limliting module is exported, is connect with the output end of the output power module, wherein the electricity of intelligent current-limiting circuit
Road electronic component connection type intelligent control chip U30 and switching tube Q101 as shown in fig. 6, be mainly made of, when any road is defeated
When electric current is more than current limliting setting value out, U30 output control model cuts off the output of this road electric current by Q101.
It in more mouthfuls of output, is able to achieve and current-limiting protection is individually carried out to each single channel, while not influencing other each roads
Output.When a certain charging port electric current is more than preset value, charging port can automatically shut down output, and port to be charged restores normal
Self- recoverage normal charging condition again afterwards, realizes the effect of triple current-limiting protections, to improve safety of the electronic equipment in charging
Stability.
Fast charge intelligent recognition control module is connect, using in conjunction with the output intelligence current limliting module of each single channel
The fast charge intelligent recognition scheme of manufacturer's joint development, for detecting various electronic device terminals, wherein fast charge is intelligently known
The electric circuit electronics technical element connection type of other circuit passes through USB interface as shown in fig. 7, wherein U20 is advanced fast charge identification chip
In D+/D- data line connected with electrical equipment.
Present embodiment uses advanced fast charge intelligent identifying circuit, and Products Compatibility is especially strong, can be compatible with several on the market
All consumer electronics products, energy intelligent automatic identification Apple, Samsung, BC1.2, high pass QC3.0, high pass QC2.0,
The fast charges agreement such as MTK PUMP, while the system equipments such as compatible IOS, Android, Windows, can allow intelligent mobile terminal to set
Standby charging rate is faster.
In addition, in the present invention, it is also necessary to which further explanation, the charging source in present embodiment can be to 6
Mouth and more products charging, have the characteristics that an electricity 6 fills, easy to carry, can carry out charging operations to different electronic equipments,
In each charging port also have the function of it is as follows:
A output line compensation function: every port has linear voltage compensation function, after exporting electric current greater than Ith, output electricity
Pressure is automatic to be improved, and is required with meeting output line loss；
B output short circuit protection: when any single channel output short-circuit, product enters Latch/Auto Restart protection mould
Formula；After restarting power supply, product will restore to work normally；
The protection of c output overcurrent: after exporting total load greater than Ith, power supply shows as Auto Restart protected mode；When
Total load is exported less than after Ith, product will restore to work normally.
Based on above-mentioned, present embodiment will input over-voltage over-current protection, output overvoltage overcurrent protection and single channel output protection
It is used in combination, so that fast charge power supply has multiple protection functions, output of products has the function of output overvoltage and overcurrent, when terminal produces
When product failure, this power supply can quickly cut off output, and protection terminal appliance is against damages.
Present embodiment is preferably, and fast charge power supply is in 25 DEG C of environment temperatures, 100-240VAC input and maximum load work
Under the conditions of work, surface temperature can be worked normally less than 75 DEG C in -65~5000m height above sea level.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of multi-functional more mouthfuls of output fast charge power supply, it is characterised in that: include:
Fast charge power supply includes input EMC filter module, for preventing interference of the input power grid to power module, while being also prevented from electricity
Interference of the source module to power grid；
Input power module is connect, for converting alternating current to direct current pair with the output end of the input EMC filter module
Each circuit unit is directly powered, while also being received feed circuit signal using PWM IC and being carried out the protection of input over-and under-voltage, input
Overcurrent protection and input overheat protector；
Output power module is connect with the output end of the input power module, reduces secondary commutation using synchronous rectification
The loss of circuit；
Output voltage feedback module is connect with the output end of the output power module, for quickly simultaneously accurate feedback output to be electric
The PWM IC of the input power module is given in the fluctuating change of pressure；
System control module is connected with the output voltage feedback module, the input power module respectively, is used for Real-time Feedback
Output voltage and output electric current, and carry out output over-voltage protection and output overcurrent protection；
Export intelligent display module, connect with the output end of the output power module, and with the output voltage feedback module
Parallel connection, for showing charged state；
Intelligent current limliting module is exported, is connect with the output end of the output power module, for individually limiting each single channel
Stream protection, while other each road outputs are not influenced；
Fast charge intelligent recognition control module is connect, using manufacturer in conjunction with the output intelligence current limliting module of each single channel
The fast charge intelligent recognition scheme of joint development detects different electronic device terminals.
2. the multi-functional more mouthfuls of output fast charge power supply of one kind according to claim 1, it is characterised in that: the input EMC filter
Several correlation filtering elements are equipped in wave module, specifically by the differential mode inductance of electric connection, common-mode point and X capacitor.
3. the multi-functional more mouthfuls of output fast charge power supply of one kind according to claim 1, it is characterised in that: the system controls mould
Circuit control part in block includes main power voltage feed circuit and current foldback circuit.
4. the multi-functional more mouthfuls of output fast charge power supply of one kind according to claim 1, it is characterised in that: the output voltage is anti-
The linear compensation circuit of end product voltage stability when also being had additional for guaranteeing High-current output in feedback module.
5. the multi-functional more mouthfuls of output fast charge power supply of one kind according to claim 1, it is characterised in that: the output is intelligently aobvious
Show in module and circuit is imitated using lamp, shows different colors from control bi-colour light when standby mode in charged state, utilize light color
The working condition of variation instruction power supply is in charging or to fill with.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821440979.4U CN208797657U (en) | 2018-09-04 | 2018-09-04 | A kind of multi-functional more mouthfuls of output fast charge power supply |
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| CN201821440979.4U CN208797657U (en) | 2018-09-04 | 2018-09-04 | A kind of multi-functional more mouthfuls of output fast charge power supply |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061569A (en) * | 2019-05-22 | 2019-07-26 | 常州联王电子有限公司 | A kind of light defines the system and method for feedback product operating status |
| CN112019063A (en) * | 2020-09-18 | 2020-12-01 | 湖南炬神电子有限公司 | Power supply system with ultrahigh power density |
| CN112366761A (en) * | 2020-09-29 | 2021-02-12 | 湖南炬神电子有限公司 | Single-path double-USB-A port parallel type quick-charging mobile power supply |
| CN116488300A (en) * | 2023-05-23 | 2023-07-25 | 深圳市诺希实业有限公司 | A multifunctional charging protection device for mobile equipment |
-
2018
- 2018-09-04 CN CN201821440979.4U patent/CN208797657U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061569A (en) * | 2019-05-22 | 2019-07-26 | 常州联王电子有限公司 | A kind of light defines the system and method for feedback product operating status |
| CN110061569B (en) * | 2019-05-22 | 2023-06-20 | 常州联王电子有限公司 | System and method for feeding back running state of product through light definition |
| CN112019063A (en) * | 2020-09-18 | 2020-12-01 | 湖南炬神电子有限公司 | Power supply system with ultrahigh power density |
| CN112366761A (en) * | 2020-09-29 | 2021-02-12 | 湖南炬神电子有限公司 | Single-path double-USB-A port parallel type quick-charging mobile power supply |
| CN112366761B (en) * | 2020-09-29 | 2022-05-03 | 湖南炬神电子有限公司 | Single-path double-USB-A port parallel type quick-charging mobile power supply |
| CN116488300A (en) * | 2023-05-23 | 2023-07-25 | 深圳市诺希实业有限公司 | A multifunctional charging protection device for mobile equipment |
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