CN105846503B - A kind of portable device and its internal drive - Google Patents
A kind of portable device and its internal drive Download PDFInfo
- Publication number
- CN105846503B CN105846503B CN201610322347.7A CN201610322347A CN105846503B CN 105846503 B CN105846503 B CN 105846503B CN 201610322347 A CN201610322347 A CN 201610322347A CN 105846503 B CN105846503 B CN 105846503B
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- Prior art keywords
- module
- field
- charging
- control module
- effect tube
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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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/10—Control circuit supply, e.g. means for supplying power to the control circuit
Abstract
The invention belongs to drive area, a kind of portable device and its internal drive, including charging module, boost module, control module and field-effect tube are disclosed;The direct current of charge direct current or battery input is forwarded to boost module to be powered to control module by charging module, and control module controls the break-make of field-effect tube;Internal drive further includes first switching element, second switch element and energy-storage travelling wave tube;When charging module accesses charging direct current, first switching element conducting is to be powered load;When charging module does not access charging direct current, control module controls boost module and realizes that break-make, energy-storage travelling wave tube store electric energy when boost module is connected according to preset switches duty ratio, and stops being powered load;Energy-storage travelling wave tube discharges electric energy when boost module turns off and is powered to load;The present invention improves efficiency by the portable device and its internal drive.
Description
Technical field
The invention belongs to drive area more particularly to a kind of portable devices and its internal drive.
Background technology
Portable device based on battery is able to the classes such as extensive use, such as Portable fan, portable lighting lamp gradually
Charging chip, microprocessor and external power tube are usually formed into a system like product and arrange in pairs or groups battery with driving fan or LED
The loads such as lamp work, wherein charging chip to charge power supply handle and be powered microprocessor, microprocessor
External power tube is controlled to be powered load.However, above-mentioned type of drive is maximum the disadvantage is that charge power supply can not be direct
Powering load, it is relatively low so as to cause efficiency.
Invention content
The present invention provides a kind of portable device and its internal drives, it is intended to solve the electricity present in the prior art
It can the relatively low problem of utilization ratio.
The invention is realized in this way a kind of internal drive of portable device, including charging module, boosting mould
Block, control module and field-effect tube;The charging module is connect with the boost module and the control module respectively, the control
Molding block is connect with the grid of the boost module and the field-effect tube respectively, and source electrode and the power ground of the field-effect tube connect
It connects;The charging module direct current that will charge is forwarded to the boost module, the boost module to the charging direct current into
To be powered to the control module, the control module controls the break-make of the field-effect tube, and controls for row boosting processing
The charging module charges to battery;Or the direct current that the battery inputs is forwarded to the boosting mould by the charging module
Block, the boost module carry out boosting to the direct current and handle to be powered to the control module, the control module
Control the break-make of the field-effect tube;The internal drive further includes first switching element, second switch element and storage
It can element;
The first input end of the charging module is connect with the first end of the first switching element, the energy-storage travelling wave tube
First end is connect with the first input/output terminal of the charging module, the second end of the energy-storage travelling wave tube and second switch member
The first end of part is connected with the first input end of the boost module, and the second end of the second switch element is opened with described first
Close the first end connection of the second end of element, the second input terminal of the boost module and the load, the field-effect tube
Drain electrode connect with the second end of the load;
When the first input end of the charging module accesses the charging direct current, the first switching element be connected with
The load is powered;
When the first input end of the charging module does not access the charging direct current, the first switching element is closed
It closes, the control module controls the boost module and realizes break-make according to preset switches duty ratio, and the energy-storage travelling wave tube is described
Boost module stores electric energy when being connected, and stops being powered the load;The energy-storage travelling wave tube is closed in the boost module
Electric energy is discharged when disconnected and the load is powered by the second switch element.
A kind of portable device, the portable device include above-mentioned internal drive.
The advantageous effect that technical solution provided by the invention is brought is:As can be seen from the above-mentioned present invention, due to portable device
Internal drive include charging module, boost module, control module and field-effect tube;Charging module turns charging direct current
It is connected to boost module, boost module carries out boosting to charging direct current and handles to be powered to control module, control module control
The break-make of field-effect tube processed, and control charging module and charge to battery;Or the direct current that charging module inputs battery is transferred
To boost module, boost module carries out boosting processing to be powered to control module, described in control module control to direct current
The break-make of field-effect tube;Internal drive further includes first switching element, second switch element and energy-storage travelling wave tube;Work as charging
When the first input end access charging direct current of module, first switching element conducting is to be powered load;Work as charging module
First input end when not accessing charging direct current, first switching element is closed, and control module controls boost module according to default
Duty cycle of switching realizes that break-make, energy-storage travelling wave tube store electric energy when boost module is connected, and stops being powered load;Energy storage
Element discharges electric energy when boost module turns off and is powered to load by second switch element;This improves electric energy
Utilization ratio.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of function structure chart of the internal drive of portable device provided in an embodiment of the present invention;
Fig. 2 is another function structure chart of the internal drive of portable device provided in an embodiment of the present invention;
Fig. 3 is another function structure chart of the internal drive of portable device provided in an embodiment of the present invention;
Fig. 4 is a kind of exemplary circuit structure chart of the internal drive of portable device provided in an embodiment of the present invention;
Fig. 5 is another exemplary circuit structure of the internal drive of portable device provided in an embodiment of the present invention
Figure.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 shows the modular structure of the internal drive of portable device provided in an embodiment of the present invention, in order to just
In explanation, illustrate only with the relevant part of the embodiment of the present invention, details are as follows:
A kind of internal drive 20 of portable device, including charging module 01, boost module 02,03 and of control module
Field-effect tube Q1;Charging module 01 is connect with boost module 02 and control module 03 respectively, control module 03 respectively with boosting mould
Block 02 is connected with the grid of field-effect tube Q1, and the source electrode of field-effect tube Q1 is connect with power ground;Charging module 01 will charge direct current
Electricity is forwarded to boost module 02, and boost module 02 carries out boosting to charging direct current and handles to be powered to control module 03,
Control module 03 controls the break-make of field-effect tube Q1, and controls charging module 01 and charge to battery 10;Or charging module 01 will
The direct current that battery 10 inputs is forwarded to boost module 02, and boost module 02 carries out boosting processing with to control module to direct current
03 is powered, and control module 03 controls the break-make of field-effect tube Q1;Internal drive further includes first switching element 04,
Two switch elements 05 and energy-storage travelling wave tube 06.
Wherein, the first input end of charging module 01 is connect with the first end of first switching element 04, energy-storage travelling wave tube 06
First end is connect with the first input/output terminal of charging module 01, and the of the second end of energy-storage travelling wave tube 06 and second switch element 05
One end is connected with the first input end of boost module 02, the second end of second switch element 05 and the second of first switching element 04
End, boost module 02 the second input terminal and load 00 first end connection, the drain electrode of field-effect tube Q1 and the of load 00
Two ends connect.
In the internal drive 20 of above-mentioned portable device, when the first input end access charging of charging module 01 is straight
When galvanic electricity, the conducting of first switching element 04 is to be powered load 00;It is filled when the first input end of charging module 01 does not access
When direct current electric, first switching element 04 is closed, and control module 03 controls boost module 02 and realized according to preset switches duty ratio
Break-make, energy-storage travelling wave tube 06 store electric energy when boost module 02 is connected, and stop being powered load 00;Energy-storage travelling wave tube 06 exists
Electric energy is discharged when boost module 02 turns off and load 00 is powered by second switch element 05.
Specifically, control module 03 can be microprocessor (such as microcontroller or arm processor) or other have data
The programming device of logic processing capability.
In specific implementation, handled as shown in Fig. 2, the internal drive 20 of portable device can also include push button signalling
Module 07;Push button signalling processing module 07 is connect with control module 03;Keystroke handling module converts the push button signalling received
It is sent to control module 03 at gear signal, and by gear signal.Keystroke handling module can with outside internal drive
Key circuit connects.
In specific implementation, control module 03 can also adjust the duty cycle of switching of boost module 02 according to gear signal.This
Outside, control module 03 can also control the make and break period of field-effect tube Q1 according to gear signal.
In specific implementation, as shown in figure 3, the internal drive 20 of portable device can also include display module 08;
Display module 08 is connect with control module 03;Control module 03 generates display control signal, display module 08 according to gear signal
Display screen is driven to show gear information corresponding with gear signal according to display control signal.
In specific implementation, charging module 01, boost module 02, control module 03, field-effect tube Q1, push button signalling handle mould
Block 07 and display module 08 can be integrated in the same integrated circuit.
Fig. 4 shows a kind of exemplary circuit knot of the internal drive of portable device provided in an embodiment of the present invention
Structure, for convenience of description, illustrate only with the relevant part of the embodiment of the present invention, details are as follows:
First switching element 04 is the first diode D1.
The just extremely first end of first switching element 04 of first diode D1, the cathode of the first diode D1 are first to open
Close the second end of element 04.
Second switch element 05 is the second diode D2.
The just extremely first end of second switch element 05 of second diode D2, the cathode of the second diode D2 are second to open
Close the second end of element 05.
Energy-storage travelling wave tube 06 is inductance L1.
The first end of inductance L1 is the first end of energy-storage travelling wave tube 06, and the second end of inductance L1 is the second of energy-storage travelling wave tube 06
End.
The internal drive of portable device shown in Fig. 4 is described further below in conjunction with operation principle:
In specific implementation process, when the first input end of charging module 01 access charging direct current, charging module 01
Charging direct current is forwarded to boost module 02, boost module 02 carries out boosting processing with to control module 03 to charging direct current
It is powered, control module 03 controls the break-make of field-effect tube Q1, and controls charging module 01 and charge to battery 10;One or two pole
Pipe D1 conductings are to be powered load 00.
When the first input end of charging module 01 does not access charging direct current, charging module 01 inputs battery 10 straight
Galvanic electricity is forwarded to boost module 02, and boost module 02 carries out boosting processing to be powered to control module 03 to direct current, controls
Molding block 03 controls the break-make of field-effect tube Q1;First switching element 04 close, control module 03 control boost module 02 according to
Preset switches duty ratio realizes that break-make, inductance L1 store electric energy when boost module 02 is connected, and stops supplying load 00
Electricity;Inductance L1 discharges electric energy when boost module 02 turns off and is powered to load 00 by the second diode D2.
Fig. 5 shows another exemplary circuit knot of the internal drive of portable device provided in an embodiment of the present invention
Structure, for convenience of description, illustrate only with the relevant part of the embodiment of the present invention, details are as follows:
Internal drive further includes switch control module 09;
First switching element 04 includes the first field-effect tube Q01 and the first substrate handover module 041;
The source electrode of first field-effect tube Q01 is the first end of first switching element 04, and the drain electrode of the first field-effect tube Q01 is
The second end of first switching element 04;The first end of switch control module 09 is connect with the grid of the first field-effect tube Q01, and first
Substrate handover module 041 is connect with the substrate of the first field-effect tube Q01;
Second switch element 05 includes the second field-effect tube and the second substrate handover module;
The source electrode of second field-effect tube Q02 is the first end of second switch element 05, and the drain electrode of the second field-effect tube Q02 is
The second end of second switch element 05;The second end of switch control module 09 is connect with the grid of the second field-effect tube Q02, and second
Substrate handover module 051 is connect with the substrate of the second field-effect tube Q02.
The internal drive of portable device shown in fig. 5 is described further below in conjunction with operation principle:
In specific implementation process, when the first input end of charging module 01 access charging direct current, charging module 01
Charging direct current is forwarded to boost module 02, boost module 02 carries out boosting processing with to control module 03 to charging direct current
It is powered, control module 03 controls the break-make of field-effect tube Q1, and controls charging module 01 and charge to battery 10;Switch control
Control the first field-effect tube Q01 conductings of module 09 are to be powered load 00.
When the first input end of charging module 01 does not access charging direct current, charging module 01 inputs battery 10 straight
Galvanic electricity is forwarded to boost module 02, and boost module 02 carries out boosting processing to be powered to control module 03 to direct current, controls
Molding block 03 controls the break-make of field-effect tube Q1;The first field-effect tube of control of switch control module 09 Q01 is closed, control module 03
It controls boost module 02 and realizes that break-make, inductance L1 store electric energy when boost module 02 is connected according to preset switches duty ratio, and
Stop being powered load 00;Inductance L1 discharges electric energy when boost module 02 turns off and by Q02 pairs of the second field-effect tube
Load 00 is powered.
Based on above-mentioned internal drive 20, the embodiment of the present invention also improves a kind of portable device, portable device
Including above-mentioned internal drive 20.Portable device can be Portable fan.
In conclusion the embodiment of the present invention is by including charging module, boost module, control module and field-effect tube;It fills
Charging direct current is forwarded to boost module by electric module, and boost module carries out boosting processing with to control module to charging direct current
It is powered, control module controls the break-make of field-effect tube, and controls charging module and charge to battery;Or charging module will be electric
The direct current of pond input is forwarded to boost module, and boost module carries out boosting processing to supply control module to direct current
Electricity, control module control the break-make of the field-effect tube;Internal drive further includes first switching element, second switch element
And energy-storage travelling wave tube;When the first input end of charging module access charging direct current, first switching element conducting is with to load
It is powered;When the first input end of charging module does not access charging direct current, first switching element is closed, control module control
Boost module processed realizes break-make according to preset switches duty ratio, and energy-storage travelling wave tube stores electric energy when boost module is connected, and stops
Load is powered;Energy-storage travelling wave tube discharges electric energy when boost module turns off and is supplied load by second switch element
Electricity;This improves efficiencies.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of internal drive of portable device, including charging module, boost module, control module and field-effect tube;
The charging module is connect with the boost module and the control module respectively, the control module respectively with the boosting mould
Block is connected with the grid of the field-effect tube, and the source electrode of the field-effect tube is connect with power ground;The charging module will charge
Direct current is forwarded to the boost module, and the boost module carries out boosting processing with to the control to the charging direct current
Module is powered, and the control module controls the break-make of the field-effect tube, and is controlled the charging module and charged to battery;
Or the direct current that the battery inputs is forwarded to the boost module by the charging module, the boost module is to described straight
Galvanic electricity carries out boosting processing to be powered to the control module, and the control module controls the break-make of the field-effect tube;
It is characterized in that, the internal drive further includes first switching element, second switch element and energy-storage travelling wave tube;
The first input end of the charging module is connect with the first end of the first switching element, and the first of the energy-storage travelling wave tube
End is connect with the first input/output terminal of the charging module, the second end of the energy-storage travelling wave tube and the second switch element
First end is connected with the first input end of the boost module, second end and the first switch member of the second switch element
The first end of the second end of part, the second input terminal of the boost module and load connects, the drain electrode of the field-effect tube with
The second end of the load connects;
When the first input end of the charging module accesses the charging direct current, the first switching element conducting is with to institute
Load is stated to be powered;
When the first input end of the charging module does not access the charging direct current, the first switching element is closed, institute
It states control module and controls the boost module according to preset switches duty ratio realization break-make, the energy-storage travelling wave tube is in the boosting mould
Block stores electric energy when being connected, and stops being powered the load;The energy-storage travelling wave tube is released when the boost module turns off
Electric discharge can and be powered the load by the second switch element.
2. the internal drive of portable device as described in claim 1, which is characterized in that the portable device it is interior
Portion's driving device further includes push button signalling processing module;
The push button signalling processing module is connect with the control module;
The push button signalling received is converted into gear signal by the push button signalling processing module, and the gear signal is sent
To the control module.
3. the internal drive of portable device as claimed in claim 2, which is characterized in that the control module also according to
The gear signal adjusts the duty cycle of switching of the boost module.
4. the internal drive of portable device as claimed in claim 2 or claim 3, which is characterized in that the control module is also
The make and break period of the field-effect tube is controlled according to the gear signal.
5. the internal drive of portable device as claimed in claim 2, which is characterized in that the portable device it is interior
Portion's driving device further includes display module;
The display module is connect with the control module;
The control module generates display control signal according to the gear signal, and the display module is according to the display control
Signal driving display screen shows gear information corresponding with the gear signal.
6. the internal drive of portable device as described in claim 1, which is characterized in that the first switching element is
First diode;
The first end of the just extremely described first switching element of first diode, the cathode of first diode is described
The second end of first switching element;
The second switch element is the second diode;
The first end of the just extremely described second switch element of second diode, the cathode of second diode is described
The second end of second switch element.
7. the internal drive of portable device as described in claim 1, which is characterized in that the internal drive is also
Including switch control module;
The first switching element includes the first field-effect tube and the first substrate handover module;
The source electrode of first field-effect tube is the first end of the first switching element, and the drain electrode of first field-effect tube is
The second end of the first switching element;The first end of the switch control module and the grid of first field-effect tube connect
It connects, the first substrate handover module is connect with the substrate of first field-effect tube;
The second switch element includes the second field-effect tube and the second substrate handover module;
The source electrode of second field-effect tube is the first end of the second switch element, and the drain electrode of second field-effect tube is
The second end of the second switch element;The second end of the switch control module and the grid of second field-effect tube connect
It connects, the second substrate handover module is connect with the substrate of second field-effect tube.
8. the internal drive of portable device as described in claim 1, which is characterized in that the energy-storage travelling wave tube is electricity
Sense;
The first end of the inductance is the first end of the energy-storage travelling wave tube, and the second end of the inductance is the of the energy-storage travelling wave tube
Two ends.
9. a kind of portable device, which is characterized in that the portable device includes such as claim 1 to 8 any one of them
Internal drive.
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CN201610322347.7A CN105846503B (en) | 2016-05-16 | 2016-05-16 | A kind of portable device and its internal drive |
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CN201610322347.7A CN105846503B (en) | 2016-05-16 | 2016-05-16 | A kind of portable device and its internal drive |
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CN105846503A CN105846503A (en) | 2016-08-10 |
CN105846503B true CN105846503B (en) | 2018-08-28 |
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CN201610322347.7A Active CN105846503B (en) | 2016-05-16 | 2016-05-16 | A kind of portable device and its internal drive |
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Families Citing this family (3)
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CN106200856B (en) * | 2016-08-30 | 2023-01-20 | 富满微电子集团股份有限公司 | Portable equipment and power management chip thereof |
CN111624912A (en) * | 2020-05-22 | 2020-09-04 | 广州裕芯电子科技有限公司 | Portable fan control chip, circuit and method |
CN111708425B (en) * | 2020-05-22 | 2022-11-15 | 广州裕芯电子科技有限公司 | Portable fan control chip integrated with indication function, circuit and method |
Citations (1)
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CN205829204U (en) * | 2016-05-16 | 2016-12-21 | 深圳市富满电子集团股份有限公司 | A kind of portable set and internal drive thereof |
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CN101325343A (en) * | 2008-04-07 | 2008-12-17 | 杭州直通电子有限公司 | Energy-storing type charger |
TW201251289A (en) * | 2011-06-07 | 2012-12-16 | Delta Electronics Inc | Integrated buck/boost converter of charging apparatus |
CN103545896B (en) * | 2013-11-07 | 2015-09-30 | 成都芯源系统有限公司 | Bidirectional switch circuit, mobile power supply circuit and control method thereof |
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CN205829204U (en) * | 2016-05-16 | 2016-12-21 | 深圳市富满电子集团股份有限公司 | A kind of portable set and internal drive thereof |
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Address after: 518000 1701, building 1, Shenzhen new generation industrial park, 136 Zhongkang Road, Meidu community, Meilin street, Futian District, Shenzhen City, Guangdong Province Patentee after: Fuman microelectronics Group Co.,Ltd. Address before: Unit b7-b8, 9 / F, Yanxiang science and technology building, 31 Gaoxin Zhongsi Road, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN FUMAN ELECTRONIC GROUP Co.,Ltd. |
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