CN108173305A - A kind of low-temperature bake smoking set with stepping functions rapid nitriding - Google Patents
A kind of low-temperature bake smoking set with stepping functions rapid nitriding Download PDFInfo
- Publication number
- CN108173305A CN108173305A CN201711478199.9A CN201711478199A CN108173305A CN 108173305 A CN108173305 A CN 108173305A CN 201711478199 A CN201711478199 A CN 201711478199A CN 108173305 A CN108173305 A CN 108173305A
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- CN
- China
- Prior art keywords
- resistance
- circuit
- charging
- mos
- mos pipes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000000391 smoking effect Effects 0.000 title claims abstract description 17
- 238000005121 nitriding Methods 0.000 title claims abstract description 10
- 241000208125 Nicotiana Species 0.000 claims abstract description 4
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 4
- 239000004065 semiconductor Substances 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000006837 decompression Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- H02J7/0086—
-
- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a kind of low-temperature bake smoking sets with stepping functions rapid nitriding, including the low-temperature bake smoking set being made of housing and the battery component being arranged in housing and prepackage pipe tobacco baking components, the battery component includes battery and quick-charging circuit, and the quick-charging circuit includes anti-back flow circuit, step-up/step-down circuit, charging current detecting circuit, current-limiting control circuit, driving circuit, MCU master controllers, charging indicator light and full of indicator light.The present invention enables circuit of the present invention to prevent electric current from pouring in down a chimney function by specific circuit design, and in charging input end short circuit, battery capacity will not export outward.It is designed using synchronous boost and synchronous buck, eliminates the fly-wheel diode pressure drop of traditional step-up/step-down circuit, charge efficiency can reach more than 87%.Charging interface input 3V 9V DC power supplies are become 4.2V by the buck switching circuit of chip interior, and the parameters such as charging current, charging voltage are controlled using internal logic circuit.
Description
Technical field
The present invention relates to low-temperature bake smoking set technical fields more particularly to a kind of with stepping functions rapid nitriding
Low-temperature bake smoking set.
Background technology
At present, low-temperature bake smoking set be all by setting individual power supply so as to make it easy to carry, it is easy to use, and
Mostly due to the limitation of volume, the capacity of battery is also smaller, so as to which when specifically used, the interval charged every time is shorter；It is existing
Charging be all directly to fill mostly, save cost, but the charging time is long, and spread of voltage, battery life is caused greatly
Big reduction so as to affect the bulk life time of low-temperature bake smoking set, greatly reduces the usage experience of user.
Invention content
The object of the present invention is to provide a kind of low-temperature bake smoking sets with stepping functions rapid nitriding, can accelerate
Charging rate improves charge efficiency, reduces charging calorific value, improves charging experience.
The technical solution adopted by the present invention is：
A kind of low-temperature bake smoking set with stepping functions rapid nitriding, including by housing and the battery being arranged in housing
The low-temperature bake smoking set that component and prepackage pipe tobacco baking components are formed, the battery component include battery and quick charge electricity
Road, the quick-charging circuit include anti-back flow circuit, step-up/step-down circuit, charging current detecting circuit, current-limiting control circuit,
Driving circuit, MCU master controllers, charging indicator light and full of indicator light；
The anti-back flow circuit include mos pipes Q1, resistance R1, resistance R6, resistance R9 and triode Q7, the resistance R7,
Resistance R8 is connected between the sub- P1 of DC supply input and terminals P 2, and resistance C5 is connected in parallel on resistance R8 both ends, and resistance R7, electricity
The tie point of resistance R8 is connected with the signal network node VI-FB of the controller of MCU；
The source terminal of the input terminal P1 connection mos pipes Q1, DC supply input pass through resistance R9 connection mos pipe Q1 grid
Pole）End, the collector of mos pipe Q1 gate terminal connecting triodes Q7, the base stage of triode Q7 pass through resistance R6 connection MCU controllers
P-EN ends.
The step-up/step-down circuit includes mos pipe Q2, mos pipe Q4, mos pipe Q3, mos pipes Q5, inductance L1 and capacitance C4 structures
Source terminal into, the mos pipes Q2 is input terminal, for connecting anti-back flow circuit output terminal, the drain electrode end of mos pipes Q2 with
The source terminal connection of mos pipes Q4, the drain electrode end ground connection of mos pipes Q4；
The source terminal of the mos pipes Q3 is output terminal, for connecting power output terminal P3 and anode, and is passed through simultaneously
Capacitance C4 is grounded；The drain electrode end of mos pipes Q3 is connect with the source terminal end of mos pipes Q5, and the building of mos pipes Q5 is extremely grounded；Inductance L1
One end connection mos pipes Q2 drain electrode end, the drain electrode end of other end connection mos pipes Q3, mos pipe Q5, mos pipe Q2, mos pipes Q3,
The gate terminal of mos pipes Q4 connects the output terminal of MCU master controllers respectively.
The current-limiting control circuit includes metal-oxide-semiconductor Q6, resistance R2, resistance R10, resistance R3 and capacitance C1, the MCU
The PWv ports of controller are grounded by the gate terminal of resistance R2 connection metal-oxide-semiconductors Q6, the grid of metal-oxide-semiconductor Q6 by resistance R10, MOS
The drain electrode of pipe Q6 is grounded by resistance R3, and capacitance C1 is in parallel with resistance R3, and metal-oxide-semiconductor Q6 drain electrode simultaneously with MCU controllers
C-FB ends connect；The source electrode of metal-oxide-semiconductor Q6 is connect with leading-out terminal P4.
The charging current detecting circuit includes resistance R4, resistance R5 and capacitance C2, the resistance R4, resistance R5 string
It is associated between VBAT and earthed circuit, capacitance C2 is connected in parallel on resistance R4 both ends, and resistance R4, the tie point of resistance R5 and MCU are controlled
The VOFE ends connection of device processed.
The present invention enables circuit of the present invention to prevent electric current from pouring in down a chimney function by specific circuit design, in charging input end
When short-circuit, battery capacity will not export outward.It is designed using synchronous boost and synchronous buck, eliminates traditional step-up/step-down circuit
Fly-wheel diode pressure drop, charge efficiency can reach more than 87%.Have the function of that charging current detects and controls charging current, it can be with
Meet maximum charge efficiency of the battery in the different charging stages.The buck switching circuit of chip interior inputs charging interface
3V-9V DC power supplies become 4.2V, and the parameters such as charging current, charging voltage are controlled using internal logic circuit.
Description of the drawings
Fig. 1 is the schematic block circuit diagram of the present invention；
Fig. 2 is circuit diagram of the present invention.
Specific embodiment
As illustrated in fig. 1 and 2, the present invention is included by housing and the battery component being arranged in housing and prepackage pipe tobacco baking portion
The low-temperature bake smoking set that part is formed, the battery component include battery and quick-charging circuit, the quick-charging circuit
Including anti-back flow circuit, step-up/step-down circuit, charging current detecting circuit, current-limiting control circuit, driving circuit, MCU master controllers,
Charging indicator light and full of indicator light；
The anti-back flow circuit include mos pipes Q1, resistance R1, resistance R6, resistance R9 and triode Q7, the resistance R7,
Resistance R8 is connected between the sub- P1 of DC supply input and terminals P 2, and resistance C5 is connected in parallel on resistance R8 both ends, and resistance R7, electricity
The tie point of resistance R8 is connected with the signal network node VI-FB of the controller of MCU；(VI_FB signal networks node is connection,
For the input voltage value of detection input)
The source terminal of the input terminal P1 connection mos pipes Q1, DC supply input pass through resistance R9 connection mos pipe Q1 grid
Pole）End, mos pipe Q1 grids）The collector of connecting triode Q7 is held, the base stage of triode Q7 is controlled by resistance R6 connections MCU
The P-EN ends of device；
Anti-back flow circuit is made of Q1, R1, R6, R9, Q7, when detecting that external input power is lower than cell voltage, MCU controls
Q7, Q1 end, and circuit is not turned on, and electric current is effectively prevent to pour in down a chimney back input terminal.
The step-up/step-down circuit includes mos pipe Q2, mos pipe Q4, mos pipe Q3, mos pipes Q5, inductance L1 and capacitance C4 structures
Source terminal into, the mos pipes Q2 is input terminal, for connecting anti-back flow circuit output terminal, the drain electrode end of mos pipes Q2 with
The source terminal connection of mos pipes Q4, the drain electrode end ground connection of mos pipes Q4；
The source terminal of the mos pipes Q3 is output terminal, for connecting power output terminal P3 and anode, and is passed through simultaneously
Capacitance C4 is grounded；The drain electrode end of mos pipes Q3 is connect with the source terminal end of mos pipes Q5, and the building of mos pipes Q5 is extremely grounded；Inductance L1
One end connection mos pipes Q2 drain electrode end, the drain electrode end of other end connection mos pipes Q3, mos pipe Q5, mos pipe Q2, mos pipes Q3,
The gate terminal of mos pipes Q4 connects the output terminal of MCU master controllers respectively；
Step-up/step-down circuit is made of components such as Q2, Q3, Q4, Q5, L1, C4, R4, R5, C2, can be with when input power is too low
By control Q3, Q5, with L1 form BOOST synchronous voltage booster circuits, when external input power is excessively high, can by controlling Q2,
Q4 forms BUCK synchronous buck circuits with L1.
The current-limiting control circuit includes metal-oxide-semiconductor Q6, resistance R2, resistance R10, resistance R3 and capacitance C1, the MCU
The PWv ports of controller are grounded by the gate terminal of resistance R2 connection metal-oxide-semiconductors Q6, the grid of metal-oxide-semiconductor Q6 by resistance R10, MOS
The drain electrode of pipe Q6 is grounded by resistance R3, and capacitance C1 is in parallel with resistance R3, and metal-oxide-semiconductor Q6 drain electrode simultaneously with MCU controllers
C-FB ends connect；The source electrode of metal-oxide-semiconductor Q6 is connect with leading-out terminal P4.（Current-limiting control circuit is made of Q6, R2, R10, R3, C1,
R3, C1 are battery charge sample circuit, Q6 are controlled to determine the size of charging current by pwm signal）
The charging current detecting circuit includes resistance R4, resistance R5 and capacitance C2, and the resistance R4, resistance R5 are connected on
Between VBAT and earthed circuit, capacitance C2 is connected in parallel on resistance R4 both ends, and resistance R4, the tie point of resistance R5 and MCU controllers
VOFE ends connection.
It is designed based on foregoing circuit, present invention band synchronization lifting presses function, checks input voltage automatically, input voltage is less than
During lithium battery voltage, booster circuit work carries out boost charge；When cell voltage is higher than lithium battery, step-down voltage work carries out
Decompression charging.And input charging voltage compatibility 3V-9V, charging current are more than 2A.
Of the invention also to have the function of to prevent electric current from pouring in down a chimney, in charging input end short circuit, battery capacity will not export outward.
It is designed using synchronous boost and synchronous buck, eliminates the fly-wheel diode pressure drop of traditional step-up/step-down circuit, charge efficiency is reachable
To more than 87%.Have the function of that charging current detects and controls charging current, maximum of the battery in the different charging stages can be met
Charge efficiency.Charging interface input 3V-9V DC power supplies are become 4.2V, and in utilization by the buck switching circuit of chip interior
The logic circuit in portion controls the parameters such as charging current, charging voltage.
After DC voltage input has been detected, voltage passes through anti-back flow circuit, is input to switch step-up/step-down circuit and carries out
Copped wave makes charging current control in the range of setting, shutdown switch buck after detecting that battery is full of by current detecting
Circuit, charging complete.
Claims (4)
1. a kind of low-temperature bake smoking set with stepping functions rapid nitriding, including by housing and the electricity being arranged in housing
The low-temperature bake smoking set that pond component and prepackage pipe tobacco baking components are formed, it is characterised in that：The battery component includes battery
And quick-charging circuit, the quick-charging circuit include anti-back flow circuit, step-up/step-down circuit, charging current detecting circuit,
Current-limiting control circuit, driving circuit, MCU master controllers, charging indicator light and full of indicator light；
The anti-back flow circuit include mos pipes Q1, resistance R1, resistance R6, resistance R9 and triode Q7, the resistance R7,
Resistance R8 is connected between the sub- P1 of DC supply input and terminals P 2, and resistance C5 is connected in parallel on resistance R8 both ends, and resistance R7, electricity
The tie point of resistance R8 is connected with the signal network node VI-FB of the controller of MCU；
The source terminal of the input terminal P1 connection mos pipes Q1, DC supply input pass through resistance R9 connection mos pipe Q1 grid
Pole）End, the collector of mos pipe Q1 gate terminal connecting triodes Q7, the base stage of triode Q7 pass through resistance R6 connection MCU controllers
P-EN ends.
2. the low-temperature bake smoking set according to claim 1 with stepping functions rapid nitriding, it is characterised in that：Institute
The step-up/step-down circuit stated includes mos pipe Q2, mos pipe Q4, mos pipe Q3, mos pipes Q5, inductance L1 and capacitance C4 is formed, described
The source terminal of mos pipes Q2 is input terminal, for connecting anti-back flow circuit output terminal, the drain electrode end of mos pipes Q2 and the source of mos pipes Q4
Extreme connection, the drain electrode end ground connection of mos pipes Q4；
The source terminal of the mos pipes Q3 is output terminal, for connecting power output terminal P3 and anode, and is passed through simultaneously
Capacitance C4 is grounded；The drain electrode end of mos pipes Q3 is connect with the source terminal end of mos pipes Q5, and the building of mos pipes Q5 is extremely grounded；Inductance L1
One end connection mos pipes Q2 drain electrode end, the drain electrode end of other end connection mos pipes Q3, mos pipe Q5, mos pipe Q2, mos pipes Q3,
The gate terminal of mos pipes Q4 connects the output terminal of MCU master controllers respectively.
3. the low-temperature bake smoking set according to claim 2 with stepping functions rapid nitriding, it is characterised in that：Institute
The current-limiting control circuit stated includes metal-oxide-semiconductor Q6, resistance R2, resistance R10, resistance R3 and capacitance C1, the MCU controllers
PWv ports are grounded by the gate terminal of resistance R2 connection metal-oxide-semiconductors Q6, the grid of metal-oxide-semiconductor Q6 by resistance R10, the leakage of metal-oxide-semiconductor Q6
Pole is grounded by resistance R3, and capacitance C1 is in parallel with resistance R3, and the drain electrode of metal-oxide-semiconductor Q6 connects simultaneously with the C-FB ends of MCU controllers
It connects；The source electrode of metal-oxide-semiconductor Q6 is connect with leading-out terminal P4.
4. the low-temperature bake smoking set according to claim 3 with stepping functions rapid nitriding, it is characterised in that：Institute
The charging current detecting circuit stated includes resistance R4, resistance R5 and capacitance C2, the resistance R4, resistance R5 be connected on VBAT with
Between earthed circuit, capacitance C2 is connected in parallel on resistance R4 both ends, and the VOFE of the tie point of resistance R4, resistance R5 and MCU controllers
End connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478199.9A CN108173305A (en) | 2017-12-29 | 2017-12-29 | A kind of low-temperature bake smoking set with stepping functions rapid nitriding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478199.9A CN108173305A (en) | 2017-12-29 | 2017-12-29 | A kind of low-temperature bake smoking set with stepping functions rapid nitriding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108173305A true CN108173305A (en) | 2018-06-15 |
Family
ID=62519959
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711478199.9A Pending CN108173305A (en) | 2017-12-29 | 2017-12-29 | A kind of low-temperature bake smoking set with stepping functions rapid nitriding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595168A (en) * | 2021-06-15 | 2021-11-02 | 荣耀终端有限公司 | Charging circuit and terminal device |
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| CN105955094A (en) * | 2015-12-25 | 2016-09-21 | 深圳瀚星翔科技有限公司 | Power regulation control circuit of electronic cigarette |
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| CN206077748U (en) * | 2016-08-22 | 2017-04-05 | 上海晶丰明源半导体股份有限公司 | Adjusting control circuit and controllable silicon light modulation LED drive power |
| CN107134847A (en) * | 2017-05-25 | 2017-09-05 | 苏州日博飞能源科技有限公司 | A kind of wide input module formula DC UPS system |
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-
2017
- 2017-12-29 CN CN201711478199.9A patent/CN108173305A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113595168A (en) * | 2021-06-15 | 2021-11-02 | 荣耀终端有限公司 | Charging circuit and terminal device |
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