CN105098930B - A kind of display screen type mobile power source that can accurately show battery meter with electric current - Google Patents
A kind of display screen type mobile power source that can accurately show battery meter with electric current Download PDFInfo
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- CN105098930B CN105098930B CN201510597577.XA CN201510597577A CN105098930B CN 105098930 B CN105098930 B CN 105098930B CN 201510597577 A CN201510597577 A CN 201510597577A CN 105098930 B CN105098930 B CN 105098930B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The present invention relates to the display screen type mobile power sources that one kind can accurately show battery meter with electric current.It includes microprocessor, push-pull type switching circuit, booster circuit, clock circuit, display circuit and battery；Microprocessor detects the output voltage and electric current of battery, controls the speed that booster circuit charges toward battery by push-pull type switching circuit, and the electric current that microprocessor will test shows the current value to discharge at present by display circuit；Cell output voltage and electric current that microprocessor will test using external clock circuit are scaled the capacity for being actually filled with battery, and microprocessor shows the battery capacity value detected by display circuit.It using this mobile power source, can accurately show battery meter and electric current, and charge efficiency is high and reliable operation.
Description
Technical field
The present invention relates to the display screen type mobile power sources that one kind can accurately show battery meter with electric current.
Background technique
The mobile power source product overwhelming majority on the market only shows electricity percentage (%).Current mobile power source utilizes
After voltage and existing voltage when full electricity compare, with percentage (%) display.Existing electric power detection scheme in addition to
Except the battery core designed originally, such as using different labels or the battery core of batch, discharge curve can't be completely the same, therefore
The speed of shown electricity is different when causing electric discharge, often results in 50% electricity below and maintains the more long time, and 50%
Electricity decline between~100% is very fast.Therefore it be easy to cause consumer that can not accept.
Mobile power source on the market is filled with the appearance of battery in conversion due to the clock circuit using control built-in chip type at present
Measure inaccurate, and charge efficiency is not high.
This problem needs to change.
Summary of the invention
For overcome the deficiencies in the prior art, purpose is intended to provide one kind and can accurately show battery meter and electric current the present invention
Display screen type mobile power source, can accurately show battery meter and electric current, and charge efficiency is high and reliable operation.
In order to solve the above technical problems, basic technical scheme proposed by the present invention are as follows:
A kind of display screen type mobile power source that can accurately show battery meter with electric current, including microprocessor, is recommended
Formula switching circuit, booster circuit, clock circuit, display circuit and battery；The output voltage and electricity of microprocessor detection battery
Stream controls the speed that booster circuit charges toward battery, and the electric current that microprocessor will test by push-pull type switching circuit
The current value to discharge at present is shown by display circuit；Microprocessor is exported using the battery that external clock circuit will test
Voltage and current is scaled the capacity for being actually filled with battery, and microprocessor shows that the battery detected holds by display circuit
Magnitude.
Further, the display circuit include voltage conditioning circuit, display screen bleeder circuit, display screen control chip and
Display screen；The voltage conditioning circuit is connected with microprocessor, and microprocessor is improved toward voltage conditioning circuit input voltage, voltage
The input voltage is handled and is generated stable voltage output by circuit, and display screen bleeder circuit receives and to handle the voltage defeated
Driving voltage is generated out and with this, which distinguishes input panel control chip and display screen, and display screen controls chip
It generates display signal and shows the display signal by display screen.
Further, the voltage conditioning circuit includes voltage protection circuit and voltage regulator circuit；The voltage protection circuit
Input terminal is connected with microprocessor, and the output end of voltage protection circuit is connected with the input terminal of voltage regulator circuit, voltage regulator circuit it is defeated
It is connected to display screen bleeder circuit out.
Further, the mobile power source further includes charging input end, filter circuit and output electric bridge；The microprocessor is past
Bridge input voltage is exported, output electric bridge generates the different electric current output of two-way, and the output of two-way electric current accesses charging input end,
And charged input terminal input filter circuit, filter circuit filter out the harmonic wave in electric current and export electricity toward push-pull type switching circuit
Stream.
Further, the mobile power source further includes battery protecting circuit, and the input of the battery protecting circuit is connected to electricity
The anode in pond, output are connected to the cathode of battery.
The beneficial effects of the present invention are:
1, the output voltage and electric current of microprocessor detection battery controls booster circuit toward electricity by push-pull type switching circuit
The speed of pond charging, the electric current that microprocessor can will test show the current value to discharge at present by display circuit, on the one hand,
User can know the charging situation of mobile power source immediately；On the other hand, charging effect can be provided using push-pull type switching circuit
Rate.
2, the cell output voltage and electric current that microprocessor will test using external clock circuit, which are scaled, actually to be filled
Enter the capacity of battery, and microprocessor shows the battery capacity value detected by display circuit.Relative to existing mobile electricity
Source is only able to display battery capacity percentage to say, user will appreciate that the particular capacity value of mobile power source, such as mobile power source
It there remains 5000mAH.Moreover, because using external clock circuit, when microprocessor is scaled the capacity for being actually filled with battery
Can be more accurate, it works relatively reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of mobile power source provided in this embodiment.
Fig. 2 shows the circuit theory design of microprocessor, output electric bridge, charging input end provided in this embodiment
Figure.
Fig. 3 shows push-pull type switching circuit, booster circuit, battery and battery protection electricity provided in this embodiment
The circuit design principle figure on road.
Fig. 4 shows the circuit design principle figure of microprocessor and clock circuit provided in this embodiment.
Fig. 5 shows the circuit design principle figure of display circuit provided in this embodiment.
Specific embodiment
Below with reference to attached drawing 1 to 5, the present invention is described further, but should not limit protection of the invention with this
Range.For convenience of explanation and understand technical solution of the present invention, illustrates the used noun of locality with the exhibition of attached drawing institute below
Subject to the orientation shown.
As shown in Figure 1, one kind provided in this embodiment can accurately show battery meter and the mobile electricity of the display screen type of electric current
Source includes microprocessor, push-pull type switching circuit, booster circuit, clock circuit, display circuit, battery, charging input end, filtering
Circuit, output electric bridge and battery protecting circuit.The specific connection relationship of each circuit module are as follows: the output end of charging input end
It is connected with the input terminal of filter circuit, the output end of filter circuit is connected with the input terminal of push-pull type switching circuit, and push-pull type is opened
The output end on powered-down road is connected with the input terminal of booster circuit, and the output end of booster circuit is connected with battery, microprocessor difference
It is connected with push-pull type switching circuit, clock circuit, output electric bridge, display circuit, battery, microprocessor can acquire the charge and discharge of battery
Electric current exports electric bridge and charging input end.Display circuit includes voltage conditioning circuit, display screen bleeder circuit, display screen control
The input terminal of chip and display screen, voltage conditioning circuit is connected with microprocessor, the output end of voltage conditioning circuit and display
Shield the input terminal connection of bleeder circuit, chip is controlled with display screen respectively for the output end of display screen bleeder circuit and display screen connects
It connects.
The shown microprocessor of Fig. 2, the circuit theory design drawing for exporting electric bridge, charging input end.Microprocessor is past
Export bridge input voltage, wherein two output voltage pins of microprocessor amplify entitled OPEN and DCEN.Electric bridge is exported to produce
The different electric current output of raw two-way, the current value of first via electric current are 1A, and the current value of the second road electric current is 2A.The two-way electric current
Output accesses charging input end, and charged input terminal input filter circuit, and filter circuit filters out the harmonic wave in electric current and past
Push-pull type switching circuit exports electric current.
The circuit design original of the shown push-pull type switching circuit of Fig. 3, booster circuit, battery and battery protecting circuit
Reason figure.Microprocessor herein is connected by NMOS pin with PMOS pin with push-pull type switching circuit, and microprocessor passes through control
The closing and disconnection of push-pull type switching circuit processed controls charging of the booster circuit to battery, since push-pull type switching circuit has
Voltage output characteristics are good and transient response speed is fast, and therefore, the present invention is improved using push-pull type switching circuit by booster circuit
Battery charge efficiency.Microprocessor detects the output voltage and electric current of battery by the detection of BTV pin, and passes through display circuit
Show the current value to discharge at present.The input of battery protecting circuit is connected to the anode of battery, and output is connected to the cathode of battery.
Microprocessor is connected with BTID pin with battery protecting circuit by BTIC pin, battery protecting circuit can prevent over-charging of battery,
Over-discharge and short circuit.
The circuit design principle figure of the shown microprocessor of Fig. 4 and clock circuit.Microprocessor by XIN pin and
XOUT pin is connected with clock circuit.By external clock circuit, microprocessor can accurately monitor that be charged into battery accumulative
Electricity, and the cell output voltage and electric current that will test are scaled the capacity for being actually filled with battery, aobvious by display circuit
Show the battery capacity value detected.The present invention can accurately show the electricity percentage of current charging current and battery core, and
It is shown battery meter with milliampere hour (mAH).When to mobile product charging, i.e. mobile power source discharge condition can be shown current
The electricity percentage of discharge current size and battery core residue, and shown battery meter with milliampere hour (mAH).Therefore, of the invention
The problem of can preventing empty mark mobile power source capacity at this stage.Such as: the mark total capacity of a mobile power source is 10000mah
The battery core of 2000mah (5 in parallel), actually if using 5 1500mah battery core, total capacity 7500mah, but fill
How many capacity still display 100%, can not explicitly know when full electricity.This programme can prevent the situation that capacity is not inconsistent, such as
Mark total capacity is the product of the 10000mah battery core of 2000mah (5 in parallel), actually if using 5 1500mah electricity
Core, total capacity 7500mah, electricity, which is shown, can show 7500mah (can accommodate electricity subtle gap according to battery core).This hair
It is bright to be used for different battery cores, the accuracy that electricity is shown will not be influenced by its discharge curve, be by being discharged to minimum electricity
Afterwards, add up electricity being charged by input terminal into battery core, when output, calculated by output electric current and time, therefore can be quasi-
Really display.
It is the circuit design principle figure of display circuit as Figure 5 shows.Display circuit includes voltage conditioning circuit, display
Shield bleeder circuit, display screen control chip and display screen.Voltage conditioning circuit is connected with microprocessor, and microprocessor is toward voltage
The input voltage is handled and generates stable voltage output, display screen by conditioning circuit input voltage, voltage conditioning circuit
Bleeder circuit receives and handles the voltage output and generate driving voltage with this, and it is brilliant which distinguishes input panel control
Piece and display screen, display screen control chip generate display signal and show the display signal by display screen.Voltage conditioning electricity
Road includes voltage protection circuit and voltage regulator circuit；The input terminal of the voltage protection circuit is connected with microprocessor, voltage protection
The output end of circuit is connected with the input terminal of voltage regulator circuit, and the output of voltage regulator circuit is connected to display screen bleeder circuit.The present invention
Display screen be using 13 branch connecting pins display screen, be different from the display screen of general 9 branch connecting pin, can show milliampere hour, hundred
Divide ratio and electric current.Display screen has 13 pins, wherein the first pin to the 6th pin is COM6 to COM1, the 7th pin is extremely
13rd pin is SEG1 to SEG7.
In conclusion the output voltage and electric current of microprocessor detection battery, are controlled by push-pull type switching circuit and are boosted
The speed that circuit charges toward battery, the electric current that microprocessor can will test show the electric current to discharge at present by display circuit
Value, on the one hand, user can know the charging situation of mobile power source immediately；On the other hand, use push-pull type switching circuit can be with
Charge efficiency is provided.The cell output voltage and electric current that microprocessor will test using external clock circuit are scaled reality
It is filled with the capacity of battery, and microprocessor shows the battery capacity value detected by display circuit.Relative to existing movement
Power supply is only able to display battery capacity percentage to say, user will appreciate that the particular capacity value of mobile power source, such as mobile electric
Source there remains 5000mAH.Moreover, because microprocessor is scaled the capacity for being actually filled with battery using external clock circuit
When can be more accurate, work it is relatively reliable.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to of the invention
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (3)
- The display screen type mobile power source with electric current 1. one kind can accurately show battery meter, it is characterised in that: including microprocessor, Push-pull type switching circuit, booster circuit, clock circuit, display circuit and battery；Microprocessor detects the output voltage and electric current of battery, controls booster circuit by push-pull type switching circuit and charges toward battery Speed, and the electric current that microprocessor will test shows the current value to discharge at present by display circuit；The cell output voltage and electric current that microprocessor will test using external clock circuit, which are scaled, is actually filled with battery Capacity, and microprocessor shows the battery capacity value detected by display circuit；The display circuit includes voltage conditioning circuit, display screen bleeder circuit, display screen control chip and display screen；The voltage conditioning circuit is connected with microprocessor, and for microprocessor toward voltage conditioning circuit input voltage, voltage conditioning is electric The input voltage is handled and is generated stable voltage output by road, and display screen bleeder circuit receives and handle the voltage output And driving voltage is generated with this, which distinguishes input panel control chip and display screen, and display screen controls chip and produces Raw display signal is simultaneously shown the display signal by display screen；The mobile power source further includes charging input end, filter circuit and output electric bridge；For the microprocessor toward output bridge input voltage, output electric bridge generates the different electric current output of two-way, and two-way electric current is defeated Access charging input end, and charged input terminal input filter circuit out, filter circuit filters out the harmonic wave in electric current and toward pushing away Pull switching circuit exports electric current.
- The display screen type mobile power source with electric current 2. one kind according to claim 1 can accurately show battery meter, it is special Sign is: the voltage conditioning circuit includes voltage protection circuit and voltage regulator circuit；The input terminal of the voltage protection circuit is connected with microprocessor, the output end of voltage protection circuit and voltage regulator circuit it is defeated Enter end connection, the output of voltage regulator circuit is connected to display screen bleeder circuit.
- The display screen type mobile power source with electric current 3. one kind according to claim 1 can accurately show battery meter, it is special Sign is: the mobile power source further includes battery protecting circuit, and the input of the battery protecting circuit is connected to the anode of battery, Output is connected to the cathode of battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510597577.XA CN105098930B (en) | 2015-09-18 | 2015-09-18 | A kind of display screen type mobile power source that can accurately show battery meter with electric current |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510597577.XA CN105098930B (en) | 2015-09-18 | 2015-09-18 | A kind of display screen type mobile power source that can accurately show battery meter with electric current |
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| CN105098930A CN105098930A (en) | 2015-11-25 |
| CN105098930B true CN105098930B (en) | 2019-11-29 |
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| CN106786862A (en) * | 2016-12-13 | 2017-05-31 | 建荣半导体（深圳）有限公司 | The battery remaining power display system and its display methods of a kind of portable power source |
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| CN202651828U (en) * | 2012-05-21 | 2013-01-02 | 中山市品能电池有限公司 | Novel liquid crystal display mobile power |
| CN103066654B (en) * | 2012-12-20 | 2014-10-22 | 深圳市中远航科技有限公司 | Portable power source capable of intelligently controlling solar battery charging and digital display |
| CN104283245B (en) * | 2013-07-03 | 2017-04-05 | 深圳市超创鑫科技有限公司 | A kind of high conversion efficiency portable power source circuit |
| CN103364735B (en) * | 2013-07-17 | 2015-11-04 | 长沙市博巨兴电子科技有限公司 | The accurate display packing of portable power source battery electric quantity and device |
| CN103746411A (en) * | 2013-12-04 | 2014-04-23 | 芜湖迈特电子科技有限公司 | Fast charging type portable power source |
| CN204376473U (en) * | 2015-01-22 | 2015-06-03 | 上海海尔集成电路有限公司 | Portable power source |
| CN104865533B (en) * | 2015-04-30 | 2017-09-19 | 江苏中辆科技有限公司 | Vehicle power SOC High-precision display methods |
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Effective date of registration: 20190326 Address after: 102500 No. 1, 1 District, Gu Ba Road, Chengguan Street, Fangshan District, Beijing -S649 Applicant after: Beijing fast wise Technology Co., Ltd. Address before: 518109 Room 502, Fifth Floor, 228 Huating Road, Dalang Office, Longhua New District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN XINWEIXIN TECHNOLOGY CO., LTD. |
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Effective date of registration: 20191104 Address after: 510080 No.46, hongchangban industrial Second Road, Changhong village, JUNHE street, Baiyun District, Guangzhou City, Guangdong Province Applicant after: Guangzhou Konfulon Electronics Co., Ltd. Address before: 102500 Beijing Fangshan District, Chengguan Street, Guba Road, Area 1-S649 Applicant before: Beijing fast wise Technology Co., Ltd. |
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