CN104143846B - Multifunctional intelligent mobile power supply - Google Patents
Multifunctional intelligent mobile power supply Download PDFInfo
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- CN104143846B CN104143846B CN201410250921.3A CN201410250921A CN104143846B CN 104143846 B CN104143846 B CN 104143846B CN 201410250921 A CN201410250921 A CN 201410250921A CN 104143846 B CN104143846 B CN 104143846B
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Abstract
The embodiment of the invention discloses a multifunctional intelligent mobile power supply which comprises a shell. A lithium battery module, a power management module, a central control module, a multichannel sensor module, an air purification module and an illumination module are arranged in the shell. The first signal output end of the central control module is connected with a state indicating display lamp, the output end of the lithium battery module is connected with the second signal input end of the central control module, and the second signal output end of the central control module is connected with the input end of the power management module; the air purification module is located below the central control module and above the lithium battery module and provided with a fixing support, a deodorization filter, an active carbon filter, an HEAP filter and a fan, wherein the deodorization filter, the active carbon filter, the HEAP filter and the fan are sequentially arranged on the fixing frame. An ultraviolet lamp is installed in an exhaust channel. On the basis that the mobile power supply is achieved, the multichannel sensor module, the air purification module and the illumination module are arranged, and therefore the mobile power supply is made to have the air detection function and the illumination function at the same time.
Description
Technical field
The invention belongs to portable power source technical field, a kind of particularly multifunctional intellectual portable power source.
Background technology
Portable power source (Mobile Power Pack, MPP), be it is a kind of integrate power supply and charge function it is portable
Charger, can charge whenever and wherever possible or standby power to digital equipments such as mobile phones.Typically made as charge storage unit by lithium battery
With convenient and swift.
With the development of portable power source, its species is also more and more, such as split superimposed type, AC plug-types and built-in charging wire
Type.Intelligent movable power supplies above yet suffer from the problem of single function.It is exceeded especially for In The Atmosphere Over China PM2.5 at this stage
Problem, be necessary in fact design one kind can be not only used for charge, can be used for again PM2.5 dust detection and adjust Dust Capacity intelligent sliding
Dynamic power supply.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of multifunctional intellectual portable power source, for realizing
Multiple sensor module, air-purifying module and lighting module are set on the basis of portable power source so that portable power source has sky concurrently
The function that gas is detected and illuminated.
For achieving the above object, the technical scheme is that：
A kind of multifunctional intellectual portable power source, including housing, the inside of the housing is provided with lithium battery module, power management
Module, central control module, multiple sensor module, air-purifying module and lighting module, wherein lithium battery module are located at shell
Body bottom, on fixed mount, with power management module, central control module, multiple sensor module, air-purifying module,
Lighting module is connected by wire；Power management module is located at housing top；Central control module is located under power management module
Side, has wire to be connected with multiple sensor module, air-purifying module, lighting module；The centrally located control of multiple sensor module
Molding block lower section, by air-purifying module side, is provided with dust sensor, Smoke Sensor, Temperature Humidity Sensor, multiple sensor
Sidewalls have state instruction display lamp；Dust sensor, Smoke Sensor, the signal output part of Temperature Humidity Sensor and central authorities
The first signal input part connection of control module, the first signal output part and the state instruction display lamp phase of central control module
Even, the output end of lithium battery module is connected with the secondary signal input of central control module, the second letter of central control module
Number output end is connected with the input of power management module；The centrally located control module lower section of air-purifying module, lithium battery mould
Block top, is provided with fixed mount and the odor removal filter, active carbon filter, HEAP filters and the wind that are sequentially arranged on fixed mount
Machine, is provided with uviol lamp in air exhaust passage；Lighting module is located at hull outside, is radiated using integral housing shell.
Preferably, described central control module adopts PIC18F45K20 as master chip, its 7th pin VDD, and the 28th
Pin VDD, the 18th pin RE3 connect the 5V output voltages of 5V USB output module lithium battery modules, and the 19th pin RA0 connections are warm and humid
The output end of degree sensor, the 20th pin RA1 connects the output end of dust sensor, the 21st pin RA2 connection purification of air moulds
The switch control terminal of block.
Preferably, the power management module adopts battery charging management chip CN3703, its 1st pin VG input 7.5-
The power input terminal voltage of 28V, the 4th pin CHRG connection charging indicator light D4, the 5th pin DONE connections are full of indicator lamp D5,
Connect power input, connection electricity after the 7th pin EOC connection Rext after 6th pin TEMP connection negative temperature coefficient thermis
Source input, the 14th pin BAT connects one end of lithium battery module and connects one end of RCS, the 13rd pin CSP connection RCS's
The other end simultaneously connects one end of inductance L1, and the 19th pin connects the grid of FET IRF4905, the source electrode connection of IRF4905
Power input, the positive pole of drain electrode first diode of connection of IRF4905, the negative pole of the first diode connects the another of the first inductance
One end.
Preferably, the lithium battery module includes 8524 chip super-charge super-discharge protection circuits, lithium battery and 5V USB interfaces
Charging module, an output end of the input connection power management module of the 8524 chip super-charge super-discharge protection circuit, 8524
15th pin VC1 of chip super-charge super-discharge protection circuit, the 14th pin VC2 and the 13rd pin VC3 connect respectively the first of series connection
Lithium battery BT1, the positive pole of the second lithium battery BT2 and the 3rd lithium battery BT3, the 12nd pin VC1 connects the negative of the 3rd lithium battery BT3
Pole, wherein the both positive and negative polarity of a section lithium battery distinguishes the input of 5V USB interface charging modules, 5V USB interface charging modules
Output end connects USB interface.
Preferably, the 5V USB charging modules adopt boost chip FP6733 for master chip, its 4th pin LX connection the
Connection one after two inductance L2 saves the positive pole of lithium battery, and the 5th pin VDD connects connection one after the 27th electric capacity and saves the negative of lithium battery
Pole, the 24th resistance of the 6th pin FB connection series connection and the series connection end of the 25th resistance, the 1st pin CE connects the 5th pin
VDD simultaneously connects the other end of the 24th pin, and the 3rd pin GND connections one save the negative pole and and the 25th electric capacity of lithium battery
One end connection, the other end of the 25th electric capacity connects the negative pole of the 5th diode and the other end of the 24th resistance, the
The positive pole of five diodes connects the 4th pin LX.
Preferably, the air-purifying module includes fan and on-off circuit, and the on-off circuit includes the first field-effect
Pipe Q1, NPN triode Q2 and PNP triode Q3, the base stage of NPN triode Q2 and the base stage of PNP triode Q3, emitter stage with send out
Emitter-base bandgap grading connects, and base connections concatenate the output end for connecting central control module after the 4th resistance, emitter stage connection end concatenation
Connect the grid of the first FET, one end of the drain electrode connecting fan of the first FET, PNP triode Q2 after 3rd resistor
Colelctor electrode connecting fan the other end.
Preferably, lithium battery is 18650 lithium ion batteries.
Compared with prior art, beneficial effects of the present invention are as follows：
(1) using 18650 lithium battery, vast capacity, high conversion efficiency, only conventional 5V outputs, and also having
12V is exported；
(2) multiple protective：Overcharge protection, overload protection, overcurrent protection, overheat protector and short-circuit protection etc..User surpasses
Safety, super hommization.
(3) multiple sensor, can accurate detection environment humiture, dust PM2.5 values, if it exceeds the artificial value demarcated
Fan environment purification is would automatically turn on, is that environment is maintained in a relatively stable, suitable state, small intelligent household.
Description of the drawings
Fig. 1 is each module position structural representation of the multifunctional intellectual portable power source of the embodiment of the present invention；
Fig. 2 is the module connection figure of the multifunctional intellectual portable power source of the embodiment of the present invention；
Fig. 3 is the circuit structure diagram of the central control module of the multifunctional intellectual portable power source of the embodiment of the present invention；
Fig. 4 is the circuit structure diagram of the power management module of the multifunctional intellectual portable power source of the embodiment of the present invention；
Fig. 5 is the circuit structure diagram of the lithium battery module of the multifunctional intellectual portable power source of the embodiment of the present invention；
Fig. 6 is the circuit structure diagram of the multiple sensor module of the multifunctional intellectual portable power source of the embodiment of the present invention；
Fig. 7 is the circuit structure diagram of the air-purifying module of the multifunctional intellectual portable power source of the embodiment of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
Conversely, the present invention covers any replacement done in the spirit and scope of the present invention being defined by the claims, repaiies
Change, equivalent method and scheme.Further, in order that the public has a better understanding to the present invention, below to the thin of the present invention
It is detailed to describe some specific detail sections in section description.Part without these details for a person skilled in the art
Description can also completely understand the present invention.
Show for each module position structure of the multifunctional intellectual portable power source of the embodiment of the present invention referring to Fig. 1 and Fig. 2, Fig. 1
It is intended to, Fig. 2 is the module connection figure of the multifunctional intellectual portable power source of the embodiment of the present invention, and it includes housing 10, the housing
Inside be provided with lithium battery module 101, power management module 102, central control module 103, multiple sensor module 104, empty
Gas cleaning module 105 and lighting module 106, wherein lithium battery module 101 are located at housing bottom, on fixed mount, with power supply
Management module 102, central control module 103, multiple sensor module 104, air-purifying module 105, lighting module 106 pass through
Wire is connected；Power management module 102 is located at housing top；Central control module 103 is located at the lower section of power management module 102,
There is wire to be connected with multiple sensor module 104, air-purifying module 105, lighting module 106；Multiple sensor module 104
In the lower section of central control module 103, by the side of air-purifying module 105, it is provided with dust sensor, Smoke Sensor, humiture and passes
Sensor, multiple sensor sidewalls have state instruction display lamp；Dust sensor, Smoke Sensor, Temperature Humidity Sensor
Signal output part is connected with the first signal input part of central control module, the first signal output part of central control module and shape
State indicates that display lamp is connected, and the output end of lithium battery module 101 is connected with the secondary signal input of central control module 103,
The secondary signal output end of central control module 103 is connected with the input of power management module 102；Air-purifying module 105
The lower section of centrally located control module 103, the top of lithium battery module 101 is provided with fixed mount and is sequentially arranged in deodorant on fixed mount
Filter, active carbon filter, HEAP filters and blower fan, are provided with uviol lamp in air exhaust passage；Lighting module 106 is located at
Hull outside, is radiated using integral housing shell.
Referring to Fig. 3, the circuit of the central control module 103 of the multifunctional intellectual portable power source of the embodiment of the present invention is shown
Structure chart.Central control module adopts PIC18F45K20 as master chip, its 7th pin VDD, the 28th pin VDD, the 18th pipe
Pin RE3 connects the 5V output voltages of 5V USB output module lithium battery modules, and the 19th pin RA0 connects the output of Temperature Humidity Sensor
End, the 20th pin RA1 connects the output end of dust sensor, and the 21st pin RA2 connects the switch control terminal of air-purifying module.
Referring to Fig. 4, the circuit knot of the power management module of the multifunctional intellectual portable power source of the embodiment of the present invention is shown
Composition.Power management module adopts battery charging management chip CN3703, and its 1st pin VG is input into the power input of 7.5-28V
Terminal voltage, the 4th pin CHRG connection charging indicator light D4, the 5th pin DONE connections are full of indicator lamp D5, and the 6th pin TEMP connects
Connect and connect after negative temperature coefficient thermis power input, the 7th pin EOC connects and connects power input after Rext, the 14th
Pin BAT connects one end of lithium battery module and connects one end of RCS, and the other end of the 13rd pin CSP connection RCS simultaneously connects electricity
One end of sense L1, the 19th pin connects the grid of FET IRF4905, and the source electrode of IRF4905 connects power input,
The positive pole of drain electrode first diode of connection of IRF4905, the negative pole of the first diode connects the other end of the first inductance.Referring to figure
5, it show the circuit structure diagram of the lithium battery module of the multifunctional intellectual portable power source of the embodiment of the present invention, lithium battery module bag
8524 chip super-charge super-discharge protection circuits, lithium battery and 5V USB interface charging modules are included, the 8524 chip super-charge super-discharge is protected
The input of protection circuit connects an output end of power management module, the 15th pin of 8524 chip super-charge super-discharge protection circuits
VC1, the 14th pin VC2 and the 13rd pin VC3 connect respectively the first lithium battery BT1 of series connection, the second lithium battery BT2 and the 3rd lithium
The positive pole of battery BT3, the 12nd pin VC1 connects the negative pole of the 3rd lithium battery BT3, wherein the both positive and negative polarity difference 5V of a section lithium battery
The input of USB interface charging module, the output end connection USB interface of 5V USB interface charging modules.Wherein lithium battery is adopted
Three section single-unit nominal voltages are generally：The 18650 lithium iron phosphate lithium batteries series connection of 3.6V or 3.7V, often saves charging voltage general
For：4.20V, minimum final discharging voltage is generally：2.75V, often saves capacity：More than 1000mAh, gives full play to the appearance of lithium battery
The features such as amount is big, life-span length, security performance are high, voltage is high.Power management module saves lithium cell charging using PWM decompression modes three
Managing chip CN3703, independent that three section lithium cell chargings are managed automatically, wide input voltage range, charging current is reachable
5A, to the battery of deep discharge trickle charge is carried out, and when cell voltage is less than 8.4V, CN3703 is with set constant-current charge
15% pair of battery of electric current carries out trickle charge, and in constant voltage charging phase, charging current is gradually reduced, when charging current is reduced to
During value set by non-essential resistance, charging terminates.Constant-current charge electric current is by the electric current being connected between CSP pins and BAT pins
Detection resistance RCS is arranged, and in constant-voltage charge pattern, cell voltage is 12.6V, and precision is 1%.When VCC pin voltages are more than low
Pressure latches threshold value, and during more than cell voltage, charger normal work charges to battery.If cell voltage is less than 8.4V,
Charger is the 15% of set constant-current charge electric current automatically into trickle charge pattern, now charging current.When battery electricity
Pressure is more than 8.4V, and charger enters constant current charging mode, and now charging current is by internal 200mV reference voltages and an outside
Resistance RCS is arranged, i.e., charging current is 200mV/RCS.When cell voltage continues to rise close constant-voltage charge voltage, charger
Into constant-voltage charge pattern, charging current is gradually reduced.When charging current is reduced to the value of EOC pins resistance setting, charge
Terminate, DRV pins output high level.Transistor shut-off inside open-drain output pin, is output as high-impedance state；Another leakage
Transistor inside the open circuit output pin of pole is connected, and low level is exported, to indicate charging done state.In charging done state,
If off input power, then access again, a new charge cycle will be started；If cell voltage drops to recharges threshold
Value 12V, then will also automatically begin to new charge cycle.When input voltage power down, CN3703 is interior automatically into sleep pattern
Portion's circuit is turned off, and can so reduce the current drain of battery, extends stand-by time.In order to monitor battery temperature, need
Connect the thermistor of the negative temperature coefficient of a 10k Ω between TEMP pins and GND pins.If battery temperature is beyond normal
Scope, charging process will be suspended, till battery temperature is returned in normal temperature range.CN3703 inside also has one
Overvoltage comparator, when BAT pin voltages rise due to load change or removing the reasons such as battery suddenly, if BAT pipes
When pin voltage rises to 1.08 times of constant-voltage charge voltage, overvoltage comparator action, the P-channel MOS field-effects turned off outside piece are brilliant
Body pipe, charger is temporarily ceased, until BAT pin voltages are returned to constant-voltage charge voltage or once.In charging done state, such as
When fruit cell voltage drops to 12V, new charge cycle is automatically begun to.When input power power down or input voltage are less than battery
During voltage, automatically into the sleep pattern of low-power consumption, and concrete battery temperature monitoring function recharges function to CN3703 automatically
Deng, and while series connection is protected with Li-ion rechargeable pond using S-8524IC such as Fig. 5, this built-in chip type high-accuracy voltage
Detection circuit and delay circuit, by the switching of SEL terminals, can correspond to the series connection of 3 sections or battery protection associated with 4 section strings,
Can arrange with the capacity of external part overcharge electro-detection time delay, overdischarge detection time delay and overcurrent detection postpone when
Between discharge and recharge can be controlled by control terminal, the functions such as function, overcurrent detection are detected to the high-accuracy voltage of each batteries,
Wide operating voltage range, wide operating temperature range, only 30 μ A during low consumption current work, only 0.1 μ A during dormancy.
Referring to Fig. 6, the circuit structure diagram of the multiple sensor module of the embodiment of the present invention is shown, Temperature Humidity Sensor is adopted
With the Temperature Humidity Sensor of model DMT11, the 5V power output ends of its 3rd pin VCC connection lithium battery module, the 2nd pin
Vout is connected with 19 pin RA0 of central control chip PIC18F45K20, and dust sensor adopts the dust of model DHT11
Sensor, its 1st pin VCC connects the 5V power output ends of lithium battery module, the 2nd pin Dout and central control chip
The 20 pin RA1 connections of PIC18F45K20, the 1st pin VCC connects one end of second resistance R2, the 4th pin GND connections second
One end of electric capacity C2, the other end of R2 and the other end of C2 are connected with the 2nd pin Dout.
Referring to Fig. 7, the circuit structure diagram of the air-purifying module of the embodiment of the present invention is shown, air-purifying module includes
Fan and on-off circuit, the on-off circuit includes the first FET Q1, NPN triode Q2 and PNP triode Q3, NPN tri-
The base stage of pole pipe Q2 and the base stage of PNP triode Q3, emitter stage is connected with emitter stage, and base connections are concatenated and connected after the 4th resistance
An output end of central control module is connect, the grid of the first FET is connected after the concatenation 3rd resistor of emitter stage connection end, the
One end of the drain electrode connecting fan of one FET, the other end of the colelctor electrode connecting fan of PNP triode Q2.
The multifunctional intellectual portable power source of arrangement above, its course of work is as follows：
(1) when working as portable power source, 220V alternating current Jing power supply adaptors are integrated into the DC supply input of 24V.Jing
Cross CN7303 and Seiko 8524 to complete transformation, voltage stabilizing, the function of protection be lithium cell charging, exportable stable 5V, 12V surpass
Large Copacity is that mobile phone, pad etc. charge.
(2) when central control module works, lithium battery module is each sensor power.
(3) multiple sensor module work when, can accurate detection environment humiture, dust PM2.5 values, if it exceeds people
The value that work is demarcated would automatically turn on fan environment purification.When needing motor to open, lithium battery provides power supply for motor.
(4) when using as LED light source module, lithium battery module provides power supply for LED.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (5)
1. a kind of multifunctional intellectual portable power source, including housing (10), it is characterised in that the inside of the housing is provided with lithium battery
Module (101), power management module (102), central control module (103), multiple sensor module (104), purification of air mould
Block (105) and lighting module (106), wherein lithium battery module (101) positioned at housing bottom, on fixed mount, with power supply pipe
Reason module (102), central control module (103), multiple sensor module (104), air-purifying module (105), lighting module
(106) it is connected by wire；Power management module (102) is positioned at housing top；Central control module (103) is positioned at power management
, there is wire phase module (102) lower section with multiple sensor module (104), air-purifying module (105), lighting module (106)
Even；Centrally located control module (103) lower section of multiple sensor module (104), by air-purifying module (105) side, is provided with powder
Dust sensor, Smoke Sensor, Temperature Humidity Sensor, multiple sensor sidewalls have state instruction display lamp；Dust is sensed
Device, Smoke Sensor, the signal output part of Temperature Humidity Sensor are connected with the first signal input part of central control module, central authorities
First signal output part of control module is connected with state instruction display lamp, output end and central authorities' control of lithium battery module (101)
The secondary signal input of molding block (103) is connected, secondary signal output end and the power management mould of central control module (103)
The input of block (102) is connected；Centrally located control module (103) lower section of air-purifying module (105), lithium battery module
(101) top, be provided with fixed mount and be sequentially arranged on fixed mount odor removal filter, active carbon filter, HEAP filters and
Blower fan, is provided with uviol lamp in air exhaust passage；Lighting module (106) is dissipated positioned at hull outside using integral housing shell
Heat, the power management module adopts battery charging management chip CN3703, and the power supply of its 1st pin VG input 7.5-28V is defeated
Enter terminal voltage, the 4th pin CHRG connection charging indicator light D4, the 5th pin DONE connections are full of indicator lamp D5, the 6th pin TEMP
Connect earth terminal after connection negative temperature coefficient thermis, after the 7th pin EOC connection R23 earth terminal, the 14th pin BAT are connected
One end of connection lithium battery module simultaneously connects one end of R9, and the other end of the 13rd pin CSP connection R9 simultaneously connects the one of inductance L1
End, the 16th pin connects the grid of FET IRF4905, the source electrode connection power input of IRF4905, the leakage of IRF4905
Pole connects the positive pole of the first diode, and the negative pole of the first diode connects the other end of inductance L1, the air-purifying module bag
Fan and on-off circuit are included, the on-off circuit includes the first FET Q1, NPN triode Q2 and PNP triode Q3, NPN
The base stage of triode Q2 is connected with the base stage of PNP triode Q3, the emitter stage of NPN triode Q2 and the transmitting of PNP triode Q3
Pole connects, and base connections concatenate the output end for connecting central control module after the 4th resistance, emitter stage connection end concatenation the
Connect the grid of the first FET after three resistance, one end of the drain electrode connecting fan of the first FET, PNP triode Q2
The other end of colelctor electrode connecting fan.
2. multifunctional intellectual portable power source according to claim 1, it is characterised in that described central control module is adopted
PIC18F45K20 is used as master chip, and its 7th pin VDD, the 28th pin VDD, the 5V that the 18th pin RE3 connects lithium battery module is defeated
Go out voltage, the 19th pin RA0 connects the output end of Temperature Humidity Sensor, and the 20th pin RA1 connects the output end of dust sensor,
21st pin RA2 connects the switch control terminal of air-purifying module.
3. multifunctional intellectual portable power source according to claim 1 and 2, it is characterised in that the lithium battery module includes
8524 chip super-charge super-discharge protection circuits, lithium battery and 5V USB interface charging modules, the 8524 chip super-charge super-discharge protection
One output end of the input connection power management module of circuit, the 15th pin VC1 of 8524 chip super-charge super-discharge protection circuits,
14th pin VC2 and the 13rd pin VC3 connect respectively the first lithium battery BT1 of series connection, the second lithium battery BT2 and the 3rd lithium battery
The positive pole of BT3, the 12nd pin VC1 connects the negative pole of the 3rd lithium battery BT3, wherein the both positive and negative polarity of a section lithium battery connects respectively 5V
The input of USB interface charging module, the output end connection USB interface of 5V USB interface charging modules.
4. multifunctional intellectual portable power source according to claim 3, it is characterised in that the 5V USB interfaces charging module
Boost chip FP6733 is adopted for master chip, its 4th pin LX connects the positive pole that connection one after the second inductance L2 saves lithium battery, the
5 pin VDD connect the negative pole that connection one after the 27th electric capacity saves lithium battery, and the 24th of the 6th pin FB connection series connection is electric
Resistance and the series connection end of the 25th resistance, the 1st pin CE connects the 5th pin VDD and connects the other end of the 24th resistance, the
3 pin GND connections one save the negative pole of lithium battery and connect with one end of the 25th electric capacity, and the other end of the 25th electric capacity connects
The negative electrode of the 5th diode and the other end of the 24th resistance are connect, the anode of the 5th diode connects the 4th pin LX.
5. multifunctional intellectual portable power source according to claim 1 and 2, it is characterised in that lithium battery is 18650 lithium ions
Battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410250921.3A CN104143846B (en) | 2014-06-06 | 2014-06-06 | Multifunctional intelligent mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410250921.3A CN104143846B (en) | 2014-06-06 | 2014-06-06 | Multifunctional intelligent mobile power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104143846A CN104143846A (en) | 2014-11-12 |
| CN104143846B true CN104143846B (en) | 2017-05-10 |
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| CN201410250921.3A Expired - Fee Related CN104143846B (en) | 2014-06-06 | 2014-06-06 | Multifunctional intelligent mobile power supply |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505653A (en) * | 2015-09-08 | 2017-03-15 | 江苏爱福特科技开发有限公司 | A kind of travelling charger baby |
| CN107404142A (en) * | 2017-09-19 | 2017-11-28 | 嘉兴市蓝盛电子科技有限公司 | Mobile icebox power supply circuit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20120008417U (en) * | 2011-05-31 | 2012-12-10 | (주) 알엔투테크놀로지 | Rechargeable wireless air cleaner |
| CN203589769U (en) * | 2013-10-22 | 2014-05-07 | 爱国者电子科技有限公司 | Mobile power supply having PM2.5 detection function |
| CN203871903U (en) * | 2014-06-06 | 2014-10-08 | 杭州电子科技大学 | Multifunctional intelligent mobile power supply |
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