CN106026267A - Charging device and mobile terminal - Google Patents
Charging device and mobile terminal Download PDFInfo
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- CN106026267A CN106026267A CN201610475165.3A CN201610475165A CN106026267A CN 106026267 A CN106026267 A CN 106026267A CN 201610475165 A CN201610475165 A CN 201610475165A CN 106026267 A CN106026267 A CN 106026267A
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- Prior art keywords
- transformation unit
- voltage
- voltage transformation
- battery
- charging device
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Classifications
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- 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
- H02J7/007—Regulation of charging or discharging current or voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a charging device and a mobile terminal. The charging device is used for charging a cell and comprises a transformation module, the transformation module is used for receiving an input voltage, carrying out voltage reduction processing on the input voltage and outputting a pre-determined output voltage for charging the cell, the transformation module comprises at least two transformation units connected in series, and level-by-level voltage reduction processing on the input voltage is carried out by the transformation module through the at least two transformation units connected in series. Voltage difference during each voltage conversion can be reduced, so the voltage reduction amplitude is reduced. On one hand, energy loss during voltage conversion is reduced, energy conversion efficiency is improved, the charging speed is further accelerated, on the other hand, heat generated during conversion is radiated to the different transformation units, heat concentration is prevented, a heat radiation area is improved, rapid heat radiation is facilitated, heat radiation efficiency is improved, and user experience is greatly improved.
Description
Technical field
The present invention relates to electronic technology field, especially relate to a kind of charging device and mobile terminal.
Background technology
Along with the function of mobile terminal is more and more abundanter, its power consumption is the most increasing, thus has a strong impact on end
The flying power of end.The problem big in order to solve terminal power consumption amount, currently mainly have employed two kinds of technical schemes:
A kind of is that each application in terminal is carried out power saving management, it is to avoid apply meaningless power consumption, reduces power consumption；
Another kind is to improve battery capacity, such that it is able to store more electricity.
At present, the battery capacity of mobile terminal is more and more higher, if continuing to use traditional charging modes, fills
Full battery needs long time.(it is called for short fast to this end, prior art proposes a kind of quick charge scheme
Fill), fill soon and namely use higher input voltage to come battery charging, but the safe voltage of battery is usual
For about 4V, it is therefore desirable to input voltage is carried out blood pressure lowering process.
As it is shown in figure 1, wherein, voltage changing module 2 receives charger 1 input to existing quick charge scheme
The up to input voltage of 12V, voltage changing module 2 becomes 4.5V after input voltage is carried out blood pressure lowering process, and will
4.5V voltage exports to battery 3 as output voltage, is charged battery 3.Voltage changing module 2 will input
Voltage is depressurized to 4.5V from 12V, and pressure reduction reaches 7.5V, the biggest Amplitude of Hypotensive, causes voltage changing module 2 to exist
Substantial amounts of heat is produced when changing.Thus, on the one hand causing a large amount of energy loss, conversion efficiency is the highest；
On the one hand causing voltage changing module 2 region seriously to generate heat, and heat is assembled a bit, temperature drastically raises,
It is unfavorable for heat radiation.Therefore, Consumer's Experience is had a strong impact on.
Summary of the invention
The main purpose of the embodiment of the present invention is to provide a kind of charging device and mobile terminal, it is intended to improves and fills
Energy conversion efficiency in electric process and radiating efficiency.
To achieve these objectives, on the one hand proposing a kind of charging device, it is for being charged battery, described
Charging device includes voltage changing module, and described voltage changing module receives input voltage, and carries out described input voltage
Blood pressure lowering exports predetermined output voltage after processing, and to charge described battery, described voltage changing module includes at least two
The voltage transformation unit of individual series connection, the voltage transformation unit that described voltage changing module is connected by described at least two is to described defeated
Enter voltage and carry out step pressure reducing process.
Further, the voltage transformation unit of described at least two series connection is placed in the different position of described battery ambient.
Further, at least one voltage transformation unit in the voltage transformation unit of described at least two series connection includes at least
Two sub-voltage transformation unit in parallel.
Further, the sub-voltage transformation unit that described at least two is in parallel is placed in the different position of described battery ambient
Put.
Further, described voltage transformation unit is two, respectively receives the one-level transformation list of described input voltage
Two grades of voltage transformation unit of the output voltage of unit and the described setting voltage value of output.
Further, the described one-level voltage transformation unit described battery that is placed in described two grades of voltage transformation unit is relative
Two ends, wherein, described one-level voltage transformation unit is positioned at described battery one end close to charging inlet, described two grades
Voltage transformation unit is positioned at the other end that described battery is relative.
Further, described two grades of voltage transformation unit include two sub-voltage transformation unit in parallel.
Further, the described one-level voltage transformation unit described battery that is placed in described two grades of voltage transformation unit is relative
Two ends, wherein, described one-level voltage transformation unit is positioned at described battery one end close to charging inlet, described two grades
Two sub-voltage transformation unit of voltage transformation unit are placed in the both sides of the relative other end of described battery.
Further, two sub-voltage transformation unit of described two grades of voltage transformation unit be placed in described battery relative two
End, wherein, a sub-voltage transformation unit of described two grades of voltage transformation unit and described one-level voltage transformation unit are placed in institute
State the battery both sides close to one end of charging inlet, another sub-voltage transformation unit position of described two grades of voltage transformation unit
In the other end that described battery is relative.
On the other hand proposing a kind of mobile terminal, it includes that battery, described mobile terminal farther include one and fill
Electric installation, described charging device includes voltage changing module, and described voltage changing module receives input voltage, and to described
Input voltage exports predetermined output voltage, to charge described battery, described transformation mould after carrying out blood pressure lowering process
Block includes the voltage transformation unit that at least two is connected, the transformation that described voltage changing module is connected by described at least two
Unit carries out step pressure reducing process to described input voltage.
A kind of charging device that the embodiment of the present invention is provided, by series connection at least two voltage transformation unit, it is achieved
Input voltage carried out step pressure reducing process, reduces pressure reduction during voltage conversion each time, and then reduce
Amplitude of Hypotensive.Thus, on the one hand reduce energy loss during voltage conversion, improve energy conversion effect
Rate, and then further speeded up charging rate；On the other hand the heat that conversion produces is distributed to different changes
Pressure unit, it is to avoid heat concentration, increases area of dissipation, contributes to quick heat radiating, improve heat radiation effect
Rate.It is greatly improved Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of quick charge scheme in prior art；
Fig. 2 is the module diagram of the charging device of first embodiment of the invention；
Fig. 3 is another module diagram of the charging device of first embodiment of the invention；
Fig. 4 is the charging device of first embodiment of the invention schematic layout pattern when being applied to mobile terminal；
Fig. 5 is the module diagram of the charging device of second embodiment of the invention；
Fig. 6 is another module diagram of the charging device of second embodiment of the invention；
Fig. 7 is the charging device of second embodiment of the invention schematic layout pattern when being applied to mobile terminal；
Fig. 8 is the charging device of second embodiment of the invention another schematic layout pattern when being applied to mobile terminal.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, do furtherly referring to the drawings
Bright.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit
The present invention.
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, wherein certainly
Begin to same or similar label eventually represent same or similar element or there is the unit of same or like function
Part.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining the present invention, and can not
It is construed to limitation of the present invention.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative used herein " ",
" one ", " described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that the explanation of the present invention
The wording used in book " includes " referring to there is described feature, integer, step, operation, element and/or assembly,
But it is not excluded that existence or add other features one or more, integer, step, operation, element, group
Part and/or their group.It should be understood that when we claim element to be " connected " or during " coupled " to another element,
It can be directly connected or coupled to other elements, or can also there is intermediary element.Additionally, make here
" connection " or " coupling " wireless connections can be included or wireless couple.Wording "and/or" bag used herein
Include one or more list the whole of item or any cell being associated to combine with whole.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (bag
Include technical term and scientific terminology), have and being commonly understood by of the those of ordinary skill in art of the present invention
Identical meaning.Should also be understood that those terms defined in such as general dictionary, it should be understood
For having the meaning consistent with the meaning in the context of prior art and unless specific as here
Definition, otherwise will not explain by idealization or the most formal implication.
Those skilled in the art of the present technique are appreciated that " terminal " used herein above, " terminal unit " had both included nothing
The equipment of line signal receiver, it only possesses the equipment of wireless signal receiver of non-emissive ability, includes again
Receiving and launch the equipment of hardware, it has the reception that on bidirectional communication link, can perform two-way communication
With the equipment launching hardware.This equipment may include that honeycomb or other communication equipments, and it has single line
Display or multi-line display or there is no honeycomb or other communication equipments of multi-line display；PCS
(Personal Communications Service, PCS Personal Communications System), its can be with combine voice, data at
Reason, fax and/or its communication ability；PDA (Personal Digital Assistant, personal digital assistant),
It can include the access of radio frequency receiver, pager, the Internet/intranet, web browser, notepad,
Calendar and/or GPS (Global Positioning System, global positioning system) receptor；Conventional above-knee
Type and/or palmtop computer or other equipment, its have and/or include radio frequency receiver conventional laptop and
/ or palmtop computer or other equipment." terminal " used herein above, " terminal unit " can be portable,
Can transport, be arranged in the vehicles (aviation, sea-freight and/or land), or be suitable for and/or configure
For at local runtime, and/or with distribution form, any other position operating in the earth and/or space is run.
" terminal " used herein above, " terminal unit " can also is that communication terminal, access terminals, music/video are broadcast
Put terminal, can be such as PDA, MID (Mobile Internet Device, mobile internet device) and
/ or there is the mobile phone of music/video playing function, it is also possible to it is the equipment such as intelligent television, Set Top Box.
The charging device of the embodiment of the present invention, both can apply to the mobile terminal such as mobile phone, flat board, the most permissible
It is applied to other-end equipment or any applicable electronic equipment.
Embodiment one
Seeing Fig. 2, propose the charging device of first embodiment of the invention, it is for being charged battery 30,
Described charging device includes that voltage changing module 20, voltage changing module 20 receive input voltage, and carries out input voltage
Blood pressure lowering exports predetermined output voltage after processing, and to charge battery 30, the magnitude of voltage of final output voltage can
To set as required, 4.5V generally can be set to.As in figure 2 it is shown, charger 10, voltage changing module 20 and
Battery 30 is sequentially connected electrically, and wherein voltage changing module 20 input is connected with charger 10, receives charger 10
Input voltage, such as receive the input voltage of a 12V；Outfan is connected with battery 30, to battery 30
Output predetermined output voltage, such as, export the output voltage of a 4.5V.
Alternatively, voltage changing module 20 can not also be directly connected to charger 10, can connect therebetween
Other electron component.
Alternatively, voltage changing module 20 can not also be directly connected to battery 30, can connect therebetween it
Its electronic component.Such as, voltage changing module 20 by Power Management Unit (Power Management Unit,
PMU) battery 30 is connected.
In the embodiment of the present invention, voltage changing module 20 includes the voltage transformation unit that at least two is connected, this voltage changing module
20 voltage transformation unit connected by least two carry out step pressure reducing process to input voltage.As in figure 2 it is shown,
Voltage changing module 20 includes one-level voltage transformation unit 21, two grades of voltage transformation unit 22 ..., the N levels being sequentially connected in series
Voltage transformation unit 2n.One-level voltage transformation unit 21 receives input voltage U0, to U0Become after carrying out one-level blood pressure lowering process
For U1；Two grades of voltage transformation unit 22 are to U1Carry out becoming U after two grades of blood pressure lowerings process2；……；N level transformation list
Unit 2n is to Un-1Carry out becoming U after N level blood pressure lowering processesn, and by UNExport extremely as final output voltage
Battery 30, is charged battery 30.Wherein, U0>U1>U2>……>Un-1>Un, i.e. voltage is step by step
Reducing, the amplitude that every one-level reduces can be the same or different, and can set according to actual needs.
Processed by multilevel decompression, reduce the pressure reduction during conversion of every one-level voltage transformation unit voltage, and then reduce
Amplitude of Hypotensive.Thus, on the one hand reduce energy loss during voltage conversion, improve conversion efficiency,
On the other hand the heat that conversion produces is distributed to different voltage transformation unit, is conducive to heat radiation.
Further, in the present embodiment, each voltage transformation unit is placed in the different position of battery ambient.With square
As a example by shape battery, four ends that each voltage transformation unit can be in the layout of battery respectively (include two ends, left and right and upper
Lower two ends) optional position.Thus heat is distributed to zones of different, it is to avoid heat is concentrated, and increases scattered
Hot side amasss, and reduces maximum temperature rise, and contributes to quick heat radiating.
As it is shown on figure 3, be the example that the charging device of the embodiment of the present invention is applied to mobile terminal.Its
In, voltage changing module 20 includes one-level voltage transformation unit 21 and two grades of voltage transformation unit 22, and one-level voltage transformation unit 21 connects
Receive the input voltage of 12V, after carrying out one-level blood pressure lowering process, become 8V；Two grades of voltage transformation unit 22 carry out two grades
Blood pressure lowering becomes 4.5V after processing, and using 4.5V voltage as final output voltage output to the electricity of mobile terminal
Pond 30, is charged battery 30.4.5V is dropped to again step by step by the voltage of 12V is first dropped to 8V
Blood pressure lowering mode, relative to the direct mode dropping to 4.5V from 12V, substantially reduces Amplitude of Hypotensive, reduces
Energy loss.It should be appreciated that described one-level voltage transformation unit 21 and described two grades of voltage transformation unit 22 are to defeated
Enter the blood pressure lowering that voltage carries out to process, every one-level voltage transformation unit amplitude of accommodation to voltage, can be according to actual feelings
Condition is adjusted, and is not limited to above-described embodiment.
Further, as shown in Figure 4, one-level voltage transformation unit 21 and two grades of voltage transformation unit 22 are placed in battery
30 relative two ends (two ends up and down as shown in Figure 4), wherein, one-level voltage transformation unit 21 is positioned at battery 30
Close to one end (lower end) of charging inlet 40, two grades of voltage transformation unit 22 are positioned at the other end that battery 30 is relative
(upper end).Thus so that the heat produced during two voltage transformation unit (21,22) conversion voltage is scattered in shifting
Two zoness of different of dynamic terminal, it is to avoid heat concentrates on a region and causes temperature rise too fast too high, and
Additionally aid quick heat radiating, be greatly improved Consumer's Experience.
The charging device of the embodiment of the present invention, by series connection at least two voltage transformation unit, it is achieved that to input electricity
Pressure carries out step pressure reducing process, reduces pressure reduction during voltage conversion each time, and then reduces Amplitude of Hypotensive.
Thus, on the one hand reduce energy loss during voltage conversion, improve energy conversion efficiency, and then enter one
Step accelerates charging rate；On the other hand the heat that conversion produces is distributed to different voltage transformation unit, it is to avoid
Heat concentration, increases area of dissipation, contributes to quick heat radiating, improve radiating efficiency.
Embodiment two
See Fig. 5, propose the district of the charging device of second embodiment of the invention, the present embodiment and first embodiment
It is not: in the voltage transformation unit of series connection that at least one voltage transformation unit includes the sub-voltage transformation unit that at least two is in parallel.
As it is shown in figure 5, wherein N level voltage transformation unit (final stage voltage transformation unit) includes the first sub-transformation of parallel connection
Unit 2n1, the second sub-voltage transformation unit 2n2 ..., sub-voltage transformation unit 2nm of M.N level voltage transformation unit
The voltage that previous stage voltage transformation unit inputs is shunted and (averagely shunts or press by each sub-voltage transformation unit in 2n
Different proportional divertings) so that the current value flowing through each sub-voltage transformation unit is greatly reduced, thus reduces
The caloric value of each sub-voltage transformation unit, the heat produced when being equivalent to change same one-level voltage transformation unit voltage
It is distributed to different sub-voltage transformation unit, further increases radiating efficiency.Meanwhile, sub-voltage transformation unit respectively with
The heat produced during through-put power between previous stage voltage transformation unit and battery 30 (or rear stage voltage transformation unit) is also
Greatly reduce, reduce energy loss.
Each sub-voltage transformation unit, can be by the same input of output voltage output to battery 30, it is also possible to defeated
Go out to the different input of battery 30.
Alternatively, in certain embodiments, every one-level voltage transformation unit all includes the sub-transformation that at least two is in parallel
Unit.
Further, in the present embodiment, each sub-voltage transformation unit is also placed in the different position of battery 30 surrounding.
Such as, different sub-voltage transformation unit can be in the layout of the different ends of battery 30 or with the diverse location of one end.
Thus heat is further distributed into zones of different, it is to avoid heat is concentrated, and greatly reduces maximum temperature rise, has
Help quick heat radiating.
As shown in Figure 6, for the charging device of the embodiment of the present invention being applied to an example of mobile terminal.Its
In, voltage changing module 20 includes one-level voltage transformation unit 21 and two grades of voltage transformation unit 22, and two grades of voltage transformation unit 22 are wrapped
Include the first sub-voltage transformation unit 221 and the second sub-voltage transformation unit 222.Such as, one-level voltage transformation unit 21 receives and fills
The power of electrical equipment 10 input is 12V*3A, and one-level voltage transformation unit 21 becomes after carrying out one-level blood pressure lowering process
8V*4A, and the power splitting into two-way 8V*2A is transferred to the first sub-voltage transformation unit of two grades of voltage transformation unit 22
221 and the second sub-voltage transformation unit 222, the first sub-voltage transformation unit 221 and the second son of two grades of voltage transformation unit 22
Voltage transformation unit 222 carries out becoming 4.5V*3A, finally by two-way 4.5V*3A's after two grades of blood pressure lowerings process respectively
Power exports to battery 30.4A electric current one-level voltage transformation unit 21 exported due to two grades of voltage transformation unit 22
Split into the electric current of two-way 2A, reduce the caloric value of each sub-voltage transformation unit (221,222), quite
The heat produced when the voltage of two grades of voltage transformation unit 22 is changed be distributed to two sub-voltage transformation unit (221,
222), radiating efficiency is further increased.Meanwhile, sub-voltage transformation unit in two grades of voltage transformation unit 22 (221,
222) heat respectively and produced during through-put power between one-level voltage transformation unit 21 and battery 30 also greatly reduces,
Reduce energy loss.It should be appreciated that described one-level voltage transformation unit 21 and described two grades of voltage transformation unit 22
The blood pressure lowering carrying out input voltage processes, and every one-level voltage transformation unit amplitude of accommodation to voltage can be according to reality
Border situation is adjusted, and is not limited to above-described embodiment.
Further, one-level voltage transformation unit 21 and the first sub-voltage transformation unit 221 of two grades of voltage transformation unit 22
And second diverse location that be all placed in around battery 30 of sub-voltage transformation unit 222.
As it is shown in fig. 7, two sub-voltage transformation unit of one-level voltage transformation unit 21 and two grades of voltage transformation unit (221,
222) two ends (two ends up and down as shown in Figure 7) that the battery 30 that is placed in is relative, wherein, one-level transformation list
Unit 21 is positioned at battery 30 one end (lower end) close to charging inlet 40, and two sons of two grades of voltage transformation unit become
Pressure unit (221,222) is placed in the both sides of the relative other end (upper end) of battery 30.Two sub-transformations
Unit (221,222) can be by the same input of output voltage output to battery 30, it is also possible to output is extremely
Two different inputs of battery 30.
As shown in Figure 8, two sub-voltage transformation unit (221,222) of two grades of voltage transformation unit are placed in battery 30
Relative two ends (two ends up and down as shown in Figure 8), wherein, the first sub-voltage transformation unit of two grades of voltage transformation unit
221 are placed in the battery 30 both sides close to one end (lower end) of charging inlet 40 with one-level voltage transformation unit 21,
Second sub-voltage transformation unit 222 of two grades of voltage transformation unit is positioned at the relative other end of battery 30 (upper end).Two
Sub-voltage transformation unit (221,222) can be by the same input of output voltage output to battery 30, it is also possible to
Export two different inputs to battery 30.
Thus so that one-level voltage transformation unit the 21, first sub-voltage transformation unit 221 and the second sub-voltage transformation unit 222
The heat produced during conversion voltage is scattered in three zoness of different of mobile terminal, it is to avoid heat concentrates on one
Region and cause temperature rise too fast too high, and also contribute to quick heat radiating, be greatly improved Consumer's Experience.
The charging device of the embodiment of the present invention, by connecting to voltage transformation unit and parallel connection combines, in reality
On the basis of now input voltage being carried out step pressure reducing process, also achieve the shunting to input current, will be with
The heat produced during the conversion of one-level voltage transformation unit voltage is distributed to different sub-voltage transformation unit, further increases
Radiating efficiency.Meanwhile, sub-voltage transformation unit respectively with previous stage voltage transformation unit and battery 30 (or rear stage transformation
Unit) between through-put power time produce heat also greatly reduce, reduce energy loss, improve further
Radiating efficiency.
The present invention proposes a kind of mobile terminal simultaneously, and it includes battery, described mobile terminal can be mobile phone,
The portable terminals such as flat board.Described mobile terminal includes that a charging device, described charging device include transformation mould
Block, described voltage changing module receives input voltage, and it is predetermined that described input voltage carries out output after blood pressure lowering process
Output voltage, to charge described battery, described voltage changing module includes the voltage transformation unit that at least two is connected,
The voltage transformation unit that described voltage changing module is connected by described at least two carries out step pressure reducing to described input voltage
Process.Charging device described in the present embodiment is the charging device in the present invention involved by above-described embodiment,
Do not repeat them here.
The mobile terminal of the embodiment of the present invention, uses above-mentioned charging device, by series connection at least two transformation list
Unit, it is achieved that input voltage is carried out step pressure reducing process, reduces pressure reduction during voltage conversion each time,
And then reduce Amplitude of Hypotensive.Thus, on the one hand reduce energy loss during voltage conversion, improve energy
Amount conversion efficiency, and then further speeded up charging rate；On the other hand the heat that conversion produces is distributed to
Different voltage transformation unit, it is to avoid heat concentration, increases area of dissipation, contributes to quick heat radiating, improves
Radiating efficiency.It is greatly improved Consumer's Experience.
Illustrate the preferred embodiments of the present invention above by reference to accompanying drawing, not thereby limit to the right model of the present invention
Enclose.Those skilled in the art, without departing from the scope of the present invention and essence, can have multiple flexible program to realize this
Invention, the feature for example as an embodiment can be used for another embodiment and obtains another embodiment.All
Any amendment, equivalent and the improvement made within using the technology design of the present invention, all should be in the present invention
Interest field within.
Claims (10)
1. a charging device, it is for being charged battery, it is characterised in that described charging device bag
Including voltage changing module, described voltage changing module receives input voltage, and after described input voltage is carried out blood pressure lowering process
Output predetermined output voltage, to charge described battery, described voltage changing module includes the change that at least two is connected
Pressure unit, described input voltage is carried out by the voltage transformation unit that described voltage changing module is connected by described at least two
Step pressure reducing processes.
Charging device the most according to claim 1, it is characterised in that the change of described at least two series connection
Pressure unit is placed in the different position of described battery ambient.
Charging device the most according to claim 1 and 2, it is characterised in that described at least two is connected
Voltage transformation unit at least one voltage transformation unit include the sub-voltage transformation unit that at least two is in parallel.
Charging device the most according to claim 3, it is characterised in that the son that described at least two is in parallel
Voltage transformation unit is placed in the different position of described battery ambient.
Charging device the most according to claim 1, it is characterised in that described voltage transformation unit is two,
The one-level voltage transformation unit respectively receiving described input voltage and the output voltage exporting described setting voltage value
Two grades of voltage transformation unit.
Charging device the most according to claim 5, it is characterised in that described one-level voltage transformation unit and institute
Stating two grades of voltage transformation unit to be placed in the relative two ends of described battery, wherein, described one-level voltage transformation unit is positioned at institute
Stating battery one end close to charging inlet, described two grades of voltage transformation unit are positioned at the other end that described battery is relative.
Charging device the most according to claim 5, it is characterised in that described two grades of voltage transformation unit include
Two sub-voltage transformation unit in parallel.
Charging device the most according to claim 7, it is characterised in that described one-level voltage transformation unit and institute
Stating two grades of voltage transformation unit to be placed in the relative two ends of described battery, wherein, described one-level voltage transformation unit is positioned at institute
Stating battery one end close to charging inlet, two sub-voltage transformation unit of described two grades of voltage transformation unit are placed in described
The both sides of the other end that battery is relative.
Charging device the most according to claim 7, it is characterised in that the two of described two grades of voltage transformation unit
Individual sub-voltage transformation unit is placed in the relative two ends of described battery, wherein, a son of described two grades of voltage transformation unit
Voltage transformation unit and described one-level voltage transformation unit are placed in the described battery both sides close to one end of charging inlet, institute
Another the sub-voltage transformation unit stating two grades of voltage transformation unit is positioned at the other end that described battery is relative.
10. a mobile terminal, it includes battery, it is characterised in that described mobile terminal farther includes such as power
Profit requires that described battery is charged by the charging device described in any one of 1-9, described charging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475165.3A CN106026267A (en) | 2016-06-24 | 2016-06-24 | Charging device and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475165.3A CN106026267A (en) | 2016-06-24 | 2016-06-24 | Charging device and mobile terminal |
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| CN106026267A true CN106026267A (en) | 2016-10-12 |
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| CN201610475165.3A Pending CN106026267A (en) | 2016-06-24 | 2016-06-24 | Charging device and mobile terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018901A (en) * | 2020-08-17 | 2020-12-01 | 维沃移动通信有限公司 | Wireless charging device and electronic equipment |
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| CN112018901B (en) * | 2020-08-17 | 2022-11-11 | 维沃移动通信有限公司 | Wireless charging device and electronic equipment |
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