CN207381992U - Fast charging device and the fast charging system of mobile terminal - Google Patents
Fast charging device and the fast charging system of mobile terminal Download PDFInfo
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- CN207381992U CN207381992U CN201720760093.7U CN201720760093U CN207381992U CN 207381992 U CN207381992 U CN 207381992U CN 201720760093 U CN201720760093 U CN 201720760093U CN 207381992 U CN207381992 U CN 207381992U
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- charging
- management circuit
- decompression
- mobile terminal
- input
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Abstract
The utility model discloses fast charging device and the fast charging system of mobile terminal, including charging interface, decompression charge management circuit and charging conductor, one end of the input terminal connection charging conductor of the decompression charge management circuit, the output terminal of the decompression charge management circuit is electrically connected the charging interface, and the other end of the opposite decompression charge management circuit of the charging conductor is used to connect input power.The utility model is closely set by that will be depressured charge management circuit with charging interface, there is no charging conductor connection between decompression charge management circuit and charging interface, the uncontrollability of loss and pressure drop on high-power quick charge process center line is avoided, promotes charge efficiency.
Description
Technical field
The utility model relates generally to mobile terminal charging field, specifically, is related to a kind of fast charging device and movement eventually
Hold fast charging system.
Background technology
At present fast charge technology on the market substantially there are two types of, scheme is filled in the sudden strain of a muscle of the high-voltage charging and OPPO of mainstream.High pressure is filled
Power technology keeps electric current 2A on charging wire constant, and charge power is improved by improving charging voltage, and electric current to be charged is into starting with
Decompression processing is done after machine again;The sudden strain of a muscle of OPPO, which fills technology and increases by two pins on the basis of USB, directly improves electric current on charging wire.High pressure is filled
Power technology is limited to the limited heat-dissipating space of interior of mobile phone in practical applications, to meet the fever requirement of mobile phone entirety, in hand
Charging can only be sacrificed under some heavy load application scenarios of machine, " the small water pipe " that high-voltage charging under the table becomes traditional again fills
Electricity.The sudden strain of a muscle of OPPO, which fills technology and increases by two pins on the basis of USB, directly improves electric current on charging wire, however electric current increase it is limited, separately
The scheme of decompression in outer charger, in large current charge, pressure drop is apparent on interface and line, adds loss and uncontrollability.
Utility model content
The main purpose of the utility model is to provide a kind of fast charging device and the fast charging system of mobile terminal, it is intended to solve existing
The uncontrollability problem of loss and pressure drop on high-power quick charge process center line in technology.
To achieve the above object, the utility model proposes a kind of fast charging device, including charging interface, decompression Charge Management electricity
Road and charging conductor, one end of the input terminal connection charging conductor of the decompression charge management circuit, the decompression charging valve
The output terminal for managing circuit is electrically connected the charging interface, and the other end of the opposite decompression charge management circuit of the charging conductor is used for
Connect input power.
Preferably, the decompression charge management circuit includes DC/DC circuits, and the DC/DC circuits are used for input power
Voltage be down to mobile terminal battery charge needed for charging voltage.
Preferably, the decompression charge management circuit further includes voltage detecting circuit, the input of the voltage detecting circuit
End group connects the DC/DC circuits in the battery of charging interface connection mobile terminal, the output terminal of the voltage detecting circuit
First input end.
Preferably, the decompression charge management circuit further includes power input protection circuit, the power input protection electricity
The input terminal connection charging conductor on road, the first output terminal of power input protection circuit connect the of the DC/DC circuits
Two input terminals.
Preferably, when input power is alternating current, the decompression charge management circuit further includes AC/DC circuits, described
The second output terminal connection AC/DC circuits of power input protection circuit, the output terminal connection DC/DC circuits of the AC/DC circuits
The 3rd input terminal, the AC/DC circuits are used to being converted to alternating current into the direct current needed for DC/DC circuits work.
Preferably, the decompression charge management circuit further includes path management circuit, the input of the path management circuit
End connects the output terminal of the DC/DC circuits, and the first output terminal and second output terminal of the path management circuit are respectively used to
It charges to the battery of mobile terminal and powers to mobile terminal system.
Preferably, the fast charging device further includes charging box, and the decompression charge management circuit is arranged in the charging box
Portion.
Preferably, the charging box is equipped at least one of display screen, receiver, loudspeaker, microphone.
The utility model also proposes a kind of fast charging system of mobile terminal, arbitrary including mobile terminal and claim 1 to 8
Fast charging device described in one, the mobile terminal are equipped with charge port, charge port described in the charging interface grafting, the drop
Pressure charge management circuit connects input power by charging conductor.
Preferably, the fast charging system of the mobile terminal further includes the battery in mobile terminal, the input of the battery
End connects the first output terminal of the path management circuit, and the output terminal of battery connects the input terminal of the voltage detecting circuit,
The charge port is set close to the battery.
In technical solutions of the utility model, the fast charging device including charging interface, decompression charge management circuit and is filled
Electric lead, one end of the input terminal connection charging conductor of the decompression charge management circuit, the decompression charge management circuit
Output terminal is electrically connected the charging interface, and the other end of the charging conductor is used to connect input power.The utility model passes through
Decompression charge management circuit with charging interface is closely set, is depressured between charge management circuit and charging interface and is led without charging
Line connects, and avoids the uncontrollability of loss and pressure drop on high-power quick charge process center line, promotes charge efficiency.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of the fast charging device of the utility model;
Fig. 2 is the structure diagram of the decompression charge management circuit of the utility model;
Fig. 3 is the structure diagram of the charging box of the utility model.
Figure grade explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, it and cannot be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for description purpose
It solves to indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".It is " more in the description of the utility model
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " can be fixedly connected or be detachably connected or integrally;It can be mechanical connection, also may be used
Be electrical connection;It can be directly connected, can also be indirectly connected by intermediary, can be the company inside two components
Logical or two components interaction relationship, unless otherwise restricted clearly.For the ordinary skill in the art,
Concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of this technical solution is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of fast charging devices.
In the utility model embodiment, with reference to Fig. 1, which includes charging interface 1, decompression charge management circuit
2 and charging conductor 3, one end of the input terminal connection charging conductor 3 of the decompression charge management circuit 2, the decompression is charged
The output terminal for managing circuit 2 is electrically connected the charging interface 1, and the charging conductor 3 is opposite to be depressured the another of charge management circuit 2
It holds to connect input power.The utility model is closely set by that will be depressured charge management circuit 2 with charging interface 1, decompression
There is no charging conductor connection between charge management circuit 2 and charging interface 1, avoid and damaged on high-power quick charge process center line
Consumption and the uncontrollability of pressure drop, promote charge efficiency, are especially damaged on dozens or even hundreds of peace large current charge, line
Consumption and pressure drop become apparent.Simultaneously as decompression charge management circuit 2 is placed outside at charging interface 1, without being provided in movement
Terminal inner, when mobile terminal charges so that the heat that decompression charge management circuit 2 generates does not have to be limited in mobile terminal
The limited heat-dissipating space in portion prevents the decompression fever of charge management circuit 2 from causing charge efficiency low.In addition, charging interface can be
It is directly connected with the battery in mobile terminal and is directly filled, can also be connected by the internal circuit of mobile terminal with battery,
Charging current enters back into battery by internal circuit.
Further, with reference to Fig. 2, the decompression charge management circuit 2 includes DC/DC circuits 21, the DC/DC circuits 21
For the charging voltage being down to the voltage of input power needed for the charging of the battery of mobile terminal.In the present embodiment, input electricity
Source can be the 5V inputs of traditional USB, can also be the voltages such as the 9/12/24/36V of high-voltage charging, can also be 110/220/
The voltages such as 360V.
Specifically, when using traditional charging modes, the decompression charge management circuit 2 connects electricity by charging conductor 3
Source adapter, power supply adaptor connection external power supply, input supply voltage and electric current are converted by external power supply voltage and current,
That is decompression charge management circuit 2 works required supply voltage and supply current, and the DC/DC circuits 21 are used for input power
The charging voltage that voltage is down to needed for the battery charging of mobile terminal charges the battery.Such as the power supply adaptor of 5V/1A, it is external
Power supply exports the alternating current of 220V, and the 5V that the 220V voltage and currents of external power supply are converted to input power by power supply adaptor is straight
Galvanic electricity, electric current 1A.The DC/DC circuits 21 by 5V voltages be down to mobile terminal battery charge needed for charging voltage to
Battery charges.Since decompression charge management circuit 2 is moved to outside mobile terminal, decompression charge management circuit 2 is produced in charging process
Raw heat can preferably dissipate, and fever is avoided to cause charge efficiency low.
When using high-voltage charging mode, the decompression charge management circuit 2 connects power supply adaptor by charging conductor 3,
Power supply adaptor connects external power supply, and external power supply voltage and current is converted into input supply voltage and electric current, i.e. decompression is filled
Fulgurite reason circuit 2 works required supply voltage and supply current, and the DC/DC circuits 21 are for input supply voltage to be down to
Charging voltage needed for the battery charging of mobile terminal charges the battery.Such as the alternating current of external power supply output 220V, power supply
The 220V voltage conversions of external power supply are the 9/12/24/36V voltages of input power by adapter.The DC/DC circuits 21 are by 9/
The charging voltage that 12/24/36V voltages are down to needed for the battery charging of mobile terminal charges the battery.High-voltage charge mode exists
There are large energy loss in pressure reduction, fever is more serious, is moved to by that will be depressured charge management circuit 2 outside mobile terminal
Portion avoids decompression charge management circuit 2 from because heat dissipation is limited to heat-dissipating space limited inside mobile terminal fever being caused seriously to be drawn
It is low to play charging transformation efficiency.
When using high current charging modes, the decompression charge management circuit 2 connects external power supply by charging conductor 3,
I.e. input supply voltage is external power supply voltage at this time, and the DC/DC circuits are used to input supply voltage being down to mobile terminal
Battery charge needed for charging voltage charge the battery.Such as the alternating current of external power supply output 110/220/360V, it is described
DC/DC circuits 21 charge the battery the charging voltage that 110/220/360V voltages are down to needed for the battery charging of mobile terminal.
In large current charge, pressure drop is apparent on charging interface and line, loss and uncontrollability is added, by that will be depressured Charge Management
Circuit 2 is closely set with charging interface 1, and being depressured between charge management circuit 2 and charging interface 1 does not have charging conductor connection, keeps away
Exempt from the uncontrollability of loss and pressure drop on high-power quick charge process center line, promote charge efficiency.
Further, with reference to Fig. 2, the decompression charge management circuit 2 further includes voltage detecting circuit 22, the voltage inspection
Battery of the input terminal of slowdown monitoring circuit 22 based on charging interface connection mobile terminal, the output terminal connection of the voltage detecting circuit 22
The first input end of the DC/DC circuits 21.The voltage detecting circuit 22 is used to gather cell voltage and feed back to described
DC/DC circuits 21.Since the charging process of battery includes the different stages, it is desirable to provide different charging voltages charge the battery,
In addition battery, there are withstanding voltage limitation, the cell voltage that the DC/DC circuits 21 are fed back according to voltage detecting circuit 22 provides
Suitable charging voltage charges so as to controllable precise to battery.
Further, with reference to Fig. 2, the decompression charge management circuit 2 further includes power input protection circuit 23, the electricity
The input terminal connection charging conductor 3 of source input protection circuit 23, the first output terminal connection of the power input protection circuit 23
Second input terminal of the DC/DC circuits 21.Power input protection circuit 23 is including but not limited to anti-reverse, surge, ESD, mistake
Substantially the protection circuit such as stream, overvoltage.
Further, with reference to Fig. 2, when input power is alternating current, the decompression charge management circuit 2 further includes AC/
DC circuits 24, AC/DC circuits 24 input terminal connection power input protection circuit 2 second output terminal, AC/DC circuits 24 it is defeated
3rd input terminal of outlet connection DC/DC circuits 21, the AC/DC circuits 24 are used to alternating current being converted to the DC/DC electricity
Road 21 works required direct current.
Further, with reference to Fig. 2, the decompression charge management circuit 2 further includes path management circuit 25, the path tube
The input terminal for managing circuit 25 connects the output terminal of the DC/DC circuits 21, the first output terminal of the path management circuit 25 and
Second output terminal is respectively used to charge to the battery of mobile terminal and power to mobile terminal system.When mobile terminal charges,
The path management circuit 25 is charged by battery of first output terminal to mobile terminal, and simultaneously by second output terminal to shifting
Dynamic terminal system power supply so that mobile terminal can be worked normally when charging, and promote user experience.
Further, with reference to Fig. 3, the fast charging device further includes charging box 5, and the decompression charge management circuit 2 is arranged on
Inside the charging box 5.In the present embodiment, the charging box 5 includes housing 51, and the housing 51 includes 511 He of upper shell
The one side flexible connection of lower housing 512, upper shell 511 and lower housing 512, can be closed and be opened.The decompression charging valve
The inside that circuit 2 is arranged on lower housing 512 is managed, the charging interface 1 is arranged on lower housing 512 and the decompression charge management circuit 2
The inner surface of position corresponding position.In large current charge process there are certain security risk, during charging, mobile terminal is put into lower casing
In body 512, and make the charge port of the insertion mobile terminal of charging interface 1, you can charge.Mobile terminal is put by charging process
It charges in charging box 5, ensures user security.
Further, the charging box 5 is equipped at least one of display screen, receiver, loudspeaker, microphone.In this implementation
In example, 51 outer surface of charging box housing sets display screen, sets receiver, loudspeaker, microphone in housing 51, charging process can not
Will mobile terminal take out out of charging box 5, directly can make a phone call, send short messages and operate mobile terminal using charging box 5 and answer
With, charging process is avoided to plug mobile terminal 4 repeatedly, charging conductor 3 generates very high burr voltage, to be depressured Charge Management
2 pressure-resistant performance of circuit impacts.Except this, decompression charge management circuit 2 can also be arranged in charging stand.
The utility model also proposes a kind of fast charging system of mobile terminal, with reference to Fig. 1, including mobile eventually 4 and above-mentioned fast
It fills and puts, the mobile terminal 4 is equipped with charge port, charge port described in 1 grafting of charging interface, the decompression Charge Management
Circuit 2 connects input power by charging conductor 3.The fast charging system of mobile terminal by will be depressured charge management circuit 2 with
Charging interface 1 is closely set, and being depressured between charge management circuit 2 and charging interface 1 does not have charging conductor connection, avoids big work(
The uncontrollability of loss and pressure drop on rate quick charge process center line, improves mobile terminal charge efficiency.It, can in charging process
Mobile terminal is put into charging box 5 and is charged, ensures user security.
Further, with reference to Fig. 1, the fast charging system of mobile terminal further includes the battery 41 in mobile terminal, institute
The input terminal for stating battery 41 connects the first output terminal of the path management circuit 25, and the output terminal of battery 41 connects the voltage
The input terminal of detection circuit 22.The charge port is set close to the battery 41, and the loss of power consumption is brought in the path for reducing circuit.
In the present embodiment, by setting charge port nearby in battery of mobile terminal region, decompression is set at external charging interface position
Charge management circuit avoids the uncontrollability of loss and pressure drop on high-power quick charge process center line, improves mobile whole
Hold charge efficiency.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model or
Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of fast charging device, which is characterized in that described including charging interface, decompression charge management circuit and charging conductor
It is depressured one end of the input terminal connection charging conductor of charge management circuit, the output terminal electrical connection of the decompression charge management circuit
The charging interface, the other end of the opposite decompression charge management circuit of the charging conductor are used to connect input power.
2. fast charging device as described in claim 1, which is characterized in that the decompression charge management circuit includes DC/DC circuits,
The DC/DC circuits are used to for the voltage of input power to be down to the charging voltage needed for the battery charging of mobile terminal.
3. fast charging device as claimed in claim 2, which is characterized in that the decompression charge management circuit further includes voltage detecting
Circuit, battery of the input terminal of the voltage detecting circuit based on charging interface connection mobile terminal, the voltage detecting circuit
Output terminal connect the first input ends of the DC/DC circuits.
4. fast charging device as claimed in claim 2, which is characterized in that the decompression charge management circuit further includes power input
Circuit, the input terminal connection charging conductor of the power input protection circuit are protected, the power input protects the first of circuit
Output terminal connects the second input terminal of the DC/DC circuits.
5. fast charging device as claimed in claim 4, which is characterized in that when input power is alternating current, the decompression is charged
Management circuit further includes AC/DC circuits, the second output terminal connection AC/DC circuits of the power input protection circuit, the AC/
3rd input terminal of the output terminal connection DC/DC circuits of DC circuits, the AC/DC circuits are used to be converted in alternating current described
Direct current needed for the work of DC/DC circuits.
6. fast charging device as claimed in claim 2, which is characterized in that the decompression charge management circuit further includes path management
Circuit, the output terminal of the input terminal connection DC/DC circuits of the path management circuit, the first of the path management circuit
Output terminal and second output terminal are respectively used to charge to the battery of mobile terminal and power to mobile terminal system.
7. the fast charging device as described in claim 1 to 6 any one, which is characterized in that the fast charging device further includes charging
Box, the decompression charge management circuit are arranged on inside the charging box.
8. fast charging device as claimed in claim 7, which is characterized in that the charging box is equipped with display screen, receiver, loudspeaker, wheat
At least one of gram wind.
9. a kind of fast charging system of mobile terminal, which is characterized in that including mobile terminal and claim 1 to 8 any one institute
The fast charging device stated, the mobile terminal are equipped with charge port, charge port described in the charging interface grafting, and the decompression is charged
Management circuit connects input power by charging conductor.
10. the fast charging system of mobile terminal as claimed in claim 9, which is characterized in that the fast charging system of mobile terminal also wraps
The battery in mobile terminal is included, the decompression charge management circuit further includes voltage detecting circuit and path management circuit,
The input terminal of the battery connects the first output terminal of the path management circuit, and the output terminal of battery connects the voltage detecting
The input terminal of circuit, the charge port are set close to the battery.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720760093.7U CN207381992U (en) | 2017-06-27 | 2017-06-27 | Fast charging device and the fast charging system of mobile terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720760093.7U CN207381992U (en) | 2017-06-27 | 2017-06-27 | Fast charging device and the fast charging system of mobile terminal |
Publications (1)
Publication Number | Publication Date |
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CN207381992U true CN207381992U (en) | 2018-05-18 |
Family
ID=62298872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720760093.7U Active CN207381992U (en) | 2017-06-27 | 2017-06-27 | Fast charging device and the fast charging system of mobile terminal |
Country Status (1)
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CN (1) | CN207381992U (en) |
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2017
- 2017-06-27 CN CN201720760093.7U patent/CN207381992U/en active Active
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