CN108462234A - A kind of new-energy automobile intelligent charging wakes up and detecting system - Google Patents
A kind of new-energy automobile intelligent charging wakes up and detecting system Download PDFInfo
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- CN108462234A CN108462234A CN201810250401.0A CN201810250401A CN108462234A CN 108462234 A CN108462234 A CN 108462234A CN 201810250401 A CN201810250401 A CN 201810250401A CN 108462234 A CN108462234 A CN 108462234A
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- 238000001514 detection method Methods 0.000 claims abstract description 33
- 239000013256 coordination polymer Substances 0.000 claims abstract description 12
- UGTJLJZQQFGTJD-UHFFFAOYSA-N Carbonylcyanide-3-chlorophenylhydrazone Chemical compound ClC1=CC=CC(NN=C(C#N)C#N)=C1 UGTJLJZQQFGTJD-UHFFFAOYSA-N 0.000 claims description 32
- 230000005611 electricity Effects 0.000 claims description 7
- 230000000977 initiatory effect Effects 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000008034 disappearance Effects 0.000 claims description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- H02J7/0077—
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The present invention relates to a kind of wake-up of new-energy automobile intelligent charging and detecting systems, system includes that control confirms detection module and Remote Wake Up Vehicular charger module, control confirms that detection module is connect with Remote Wake Up Vehicular charger module, control confirms that the built-in control of detection module confirms detection circuit, the inverted device I3 of input signal connects the ports CP of d type flip flop U6 and U7 simultaneously in circuit, the ports Q of d type flip flop U6 connect the ports D, the ports D of d type flip flop U6 connect 5V voltages, the ports RB of d type flip flop U6 and U7 connect 5V voltages simultaneously, the ports the Q connecting resistance R47 of d type flip flop U7, resistance R47 is grounded through capacitance C16, it is accurate that the charging that the present invention designs wakes up system control, it is safe.
Description
Technical field
The present invention relates to circuitry field more particularly to a kind of new-energy automobile intelligent charging wakes up and detection system
System.
Background technology
In order to alleviate energy consumption and environmental problem, automobile industry Green Sustainable is realized, Development of EV is
As industry common choice and research emphasis.Electric vehicle (BEV) refers to driving wheel row with motor using vehicle power supply as power
It sails, meets the vehicle of road traffic, security legislation requirements.GB/T1848.1-2015 defines electric vehicle power supply unit
It is required that charging pile is no more than 32A to current requirements on line.
For above-mentioned national standard to the new regulation of vehicle charging system and requirement, detection device is placed on BMS on the market at present
In (battery management system), CCCP signals are judged by BMS (battery management system) come determine connector whether connect it is correct and
Required size of current on line, the closure of control S2 switches, requires OBC (Vehicular charger) to charge by CAN protocol.Advantage：It is single
Aspect judges that charge condition on line, simple system are judged without OBC (Vehicular charger).Disadvantage：System is not rigorous enough,
Erroneous judgement is easy tod produce, and is unable to the flexible arrangement charging time, user experience effect is undesirable.
Invention content
It is above-mentioned to solve the purpose of the present invention is to provide a kind of wake-up of new-energy automobile intelligent charging and detecting system
Technical problem, the present invention is using following technical scheme to achieve the above object：
A kind of new-energy automobile intelligent charging wakes up and detecting system, and system includes that control confirms detection module and Remote Wake Up
Vehicular charger module, control confirm that detection module is connect with Remote Wake Up Vehicular charger module.
On the basis of above-mentioned technical proposal, the control confirms that built-in control of detection module confirms detection circuit, in circuit
The inverted device I3 of input signal connects the ports CP of d type flip flop U6 and U7 simultaneously, and the ports Q of d type flip flop U6 connect the ports D, d type flip flop
The ports D of U6 connect 5V voltages, and the ports RB of d type flip flop U6 and U7 connect 5V voltages, the ports the Q connecting resistance of d type flip flop U7 simultaneously
R47, resistance R47 are grounded through capacitance C16, and the inverted device I2 of resistance R47 connect the input terminal of NAND gate I1, the ports Q of d type flip flop U7
The input terminal of NAND gate I1 is connect, NAND gate I1 output ends are respectively through capacitance C15 and resistance R44 ground connection, while NAND gate I1 is exported
The base stage of termination transistor V16, transistor V16 emitters ground connection, the collector connecting resistance R10 of transistor V16, R10 points of resistance
12V voltages are not connect through resistance R3 and capacitance C13, while resistance R10 connects the base stage of transistor V13, the collector of transistor V13 connects
The emitter of 12V voltages, transistor V13 meets diode V14 through resistance R43, and diode V14 connects 12V voltages, transistor V16's
Collector connects the collector of transistor V17, the emitter ground connection of transistor V17, and the base stage of transistor V17 is grounded through resistance R46,
The base stage of transistor V17 connects circuit output end through resistance R45 simultaneously.
On the basis of above-mentioned technical proposal, Remote Wake Up Vehicular charger built in the Remote Wake Up Vehicular charger module
Circuit ,+12V voltages meet the emitter of transistor V19, transistor V19 through diode V20 connecting resistance R53, resistance R53 in circuit
Collector connect 12V voltages, the base stage of transistor V19 connects 12V voltages, while transistor through capacitance C17 and resistance R51 respectively
The base stage of V19 connects the collector of transistor V21 through resistance R52, and the emitter of transistor V21 connects base stage, transistor through resistance R55
The base stage of V21 meets the resistance R45 in control confirmation detection circuit through resistance R54.
On the basis of above-mentioned technical proposal, the d type flip flop U6 and U7 is all made of 74HC74 D-flip flops.
A kind of new-energy automobile intelligent charging that the present invention designs wakes up and detecting system, and CCCP is waken up by CP signals
Detection circuit, CCCP detection plates work after plugging in rifle, storage battery power supply；When charging, accumulator stops power supply after OBC work, plays
Consume 12V accumulator electric-quantities effect on very small part vehicle；Not only simple and safe while reliability is high, while being touched using low-power consumption
Device is sent out, the operating cost of equipment is reduced, device sensitivity is high, and control is accurate, it can be achieved that in low-power consumption to charge mode
Two, the CCCP detection functions of charge mode three, wake-up three kinds of functions of OBC circuit systems and reasonable arrangement charging time, it is both simple
Single reliability and safety that can improve system again for the low-power consumption CCCP detection circuitries of electric vehicle and work side
Method, and peak times of power consumption can be avoided, reduce the charging cost of user；Greatly improve the working efficiency of user.
Description of the drawings
Fig. 1 is prior art detection circuitry schematic diagram.
Fig. 2 confirms detection circuit figure in order to control.
Fig. 3 is Remote Wake Up Vehicular charger circuit diagram.
Specific implementation mode
The present invention is further elaborated in the following with reference to the drawings and specific embodiments.
As shown in Figs. 1-3, a kind of new-energy automobile intelligent charging wakes up and detecting system, system include that control confirms inspection
Module and Remote Wake Up Vehicular charger module are surveyed, control confirms that detection module is connect with Remote Wake Up Vehicular charger module.
The control confirms that the built-in control of detection module confirms detection circuit, and the inverted device I3 of input signal is simultaneously in circuit
The ports CP of d type flip flop U6 and U7 are connect, the ports Q of d type flip flop U6 connect the ports D, and the ports D of d type flip flop U6 connect 5V voltages, and D is touched
The ports RB of hair device U6 and U7 connect 5V voltages simultaneously, and the ports the Q connecting resistance R47 of d type flip flop U7, resistance R47 connect through capacitance C16
Ground, the inverted device I2 of resistance R47 connect the input terminal of NAND gate I1, and the ports Q of d type flip flop U7 connect the input terminal of NAND gate I1, with
NOT gate I1 output ends are respectively through capacitance C15 and resistance R44 ground connection, while NAND gate I1 exports the base stage of termination transistor V16, brilliant
Body pipe V16 emitters are grounded, and the collector connecting resistance R10 of transistor V16, resistance R10 connect through resistance R3 and capacitance C13 respectively
12V voltages, while resistance R10 connects the base stage of transistor V13, the collector of transistor V13 connects 12V voltages, the hair of transistor V13
Emitter-base bandgap grading meets diode V14 through resistance R43, and diode V14 connects 12V voltages, and the collector of transistor V16 connects the collection of transistor V17
Electrode, the emitter ground connection of transistor V17, the base stage of transistor V17 are grounded through resistance R46, while the base stage warp of transistor V17
Resistance R45 connects circuit output end.
Remote Wake Up Vehicular charger circuit built in the Remote Wake Up Vehicular charger module ,+12V voltages pass through in circuit
Diode V20 connecting resistance R53, resistance R53 connect the emitter of transistor V19, and the collector of transistor V19 connects 12V voltages, crystal
The base stage of pipe V19 connects 12V voltages through capacitance C17 and resistance R51 respectively, while the base stage of transistor V19 connects crystal through resistance R52
The emitter of the collector of pipe V21, transistor V21 connects base stage through resistance R55, and the base stage of transistor V21 connects control through resistance R54
Confirm the resistance R45 in detection circuit.
The d type flip flop U6 and U7 is all made of 74HC74 D-flip flops.
After electric vehicle plugs rifle, CP signals become 9V by 12V, and subsequent rifle exports 9V PWM waves, when CP signals wake up
CCCP detection circuits detect the square wave for exporting a width with door I1 as 200ms after second failing edge of PWM wave, drive MOS
Pipe V16 turns it on 200ms, and metal-oxide-semiconductor drags down the base voltage of triode V13, V13 conductings during being connected, CCCP plates obtain one
The instantaneous power of a length of 200ms when a；
After CCCP plates obtain instantaneous power, main MCU work exports the height electricity of a power supply self-locking before instantaneous power disappearance
V17 is connected in ordinary mail SYS_POW, makes V13 base stages lock in low level, V13 constant conductions, CCCP normal sustained services；
After power supply conducting, CCCP sends CCCP by wireless module and has been turned on signal to cell phone application, and user is sent out by cell phone application
Send current time to CCCP, after CCCP is received, clock module starts timing, time and currently practical time synchronization, Yong Huke
The charge initiation time is sent at any time to CCCP, after CCCP is received, stores the charge initiation time；
After the clock module timing of CCCP is to the charge initiation time, CCCP wakes up OBC interfaces CCCP_OBC and sets 1, and driving V21 is led
Logical, V19 base stages are pulled low, V19 conductings, and battery feed is switched to OBC, OBC work.OBC starts to fill after detecting CP signals
220V is converted into 12V and powered to OBC and CCCP by electricity, power module.At this point, SYS_POW and CCCP_OBC are set to 0, electric power storage is disconnected
Pond powers.
When a kind of new-energy automobile intelligent charging that the present invention designs wakes up and detecting system is run, control confirms detection
Circuit detects that the square wave for exporting a width with door I1 as 200ms after second failing edge of PWM wave, transistor V16 make it lead
Lead to 200ms, the base voltage of triode V13, V13 conductings are dragged down during transistor turns, control confirms that detection circuit obtains one
The instantaneous power of a length of 200ms when a, after control confirms that detection circuit obtains instantaneous power, main MCU work disappears in instantaneous power
Before mistake, the high level signal SYS_POW of a power supply self-locking is exported, V17 is connected, makes V13 base stages lock in low level, V13 is held
Continuous conducting, control confirm detection circuit normal sustained service.
Control confirms that detection circuit wakes up Remote Wake Up Vehicular charger circuit interface CCCP_OBC and sets 1, and driving V21 is led
Logical, V19 base stages are pulled low, V19 conductings, and battery feed is switched to OBC, OBC work.OBC starts to fill after detecting CP signals
220V is converted into 12V and powered to OBC and CCCP by electricity, power module.At this point, SYS_POW and CCCP_OBC are set to 0, electric power storage is disconnected
Pond powers.
The above is present pre-ferred embodiments, for the ordinary skill in the art, according to the present invention
Introduction, in the case where not departing from the principle of the present invention with spirit, changes, modifications, replacement and change that embodiment is carried out
Type is still fallen within protection scope of the present invention.
Claims (3)
1. a kind of new-energy automobile intelligent charging wakes up and detecting system, which is characterized in that system includes that control confirms detection
Module and Remote Wake Up Vehicular charger module, control confirm that detection module is connect with Remote Wake Up Vehicular charger module；
The control confirms that built-in control of detection module confirms detection circuit, and the inverted device I3 of input signal meets D simultaneously in circuit
The ports Q of the ports CP of trigger U6 and U7, d type flip flop U6 connect the ports D, and the ports D of d type flip flop U6 connect 5V voltages, d type flip flop
The ports RB of U6 and U7 connect 5V voltages simultaneously, and the ports the Q connecting resistance R47 of d type flip flop U7, resistance R47 are grounded through capacitance C16, electricity
The resistance inverted device I2 of R47 connect the input terminal of NAND gate I1, and the ports Q of d type flip flop U7 meet the input terminal of NAND gate I1, NAND gate I1
Output end is respectively through capacitance C15 and resistance R44 ground connection, while NAND gate I1 exports the base stage of termination transistor V16, transistor
V16 emitters are grounded, and collector the connecting resistance R10, resistance R10 of transistor V16 connect 12V electricity through resistance R3 and capacitance C13 respectively
Pressure, while resistance R10 connects the base stage of transistor V13, the collector of transistor V13 connects 12V voltages, the emitter of transistor V13
Diode V14 is met through resistance R43, diode V14 connects 12V voltages, and the collector of transistor V16 connects the collector of transistor V17,
The emitter of transistor V17 is grounded, and the base stage of transistor V17 is grounded through resistance R46, while the base stage of transistor V17 is through resistance
R45 connects circuit output end；
Remote Wake Up Vehicular charger circuit built in the Remote Wake Up Vehicular charger module ,+12V voltages are through two poles in circuit
Pipe V20 connecting resistance R53, resistance R53 connect the emitter of transistor V19, and the collector of transistor V19 connects 12V voltages, transistor
The base stage of V19 connects 12V voltages through capacitance C17 and resistance R51 respectively, while the base stage of transistor V19 connects transistor through resistance R52
The emitter of the collector of V21, transistor V21 connects base stage through resistance R55, and the base stage of transistor V21 connects control really through resistance R54
Recognize the resistance R45 in detection circuit.
2. a kind of new-energy automobile intelligent charging according to claim 1 wakes up and detecting system, which is characterized in that institute
It states d type flip flop U6 and U7 and is all made of 74HC74 D-flip flops.
3. a kind of new-energy automobile intelligent charging according to claim 1 wakes up and detecting system, which is characterized in that when
After electric vehicle plugs rifle, CP signals become 9V by 12V, and subsequent rifle exports 9V PWM waves, when CP signals wake up CCCP detection electricity
Road detects the square wave for exporting a width with door I1 as 200ms after second failing edge of PWM wave, drives metal-oxide-semiconductor V16, makes it
200ms is connected, metal-oxide-semiconductor drags down the base voltage of triode V13 during being connected, V13 conductings, CCCP plates obtain a length of at one
The instantaneous power of 200ms；After CCCP plates obtain instantaneous power, main MCU work exports an electricity before instantaneous power disappearance
V17 is connected in high level signal SYS_POW from lock, so that V13 base stages is locked in low level, V13 constant conductions, CCCP is normally held
Continuous work；After power supply conducting, CCCP sends CCCP by wireless module and has been turned on signal to cell phone application, and user passes through cell phone application
Current time is sent to CCCP, after CCCP is received, clock module starts timing, time and currently practical time synchronization, user
The charge initiation time can be sent at any time to CCCP, after CCCP is received, store the charge initiation time；When the clock module meter of CCCP
When to after the charge initiation time, CCCP wakes up OBC interfaces CCCP_OBC and sets 1, and driving V21 conductings, V19 base stages are pulled low, and V19 is led
Logical, battery feed is switched to OBC, OBC work, and OBC is started to charge up after detecting CP signals, and 220V is converted by power module
12V powers to OBC and CCCP, at this point, SYS_POW and CCCP_OBC are set to 0, disconnects storage battery power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810250401.0A CN108462234A (en) | 2018-03-26 | 2018-03-26 | A kind of new-energy automobile intelligent charging wakes up and detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810250401.0A CN108462234A (en) | 2018-03-26 | 2018-03-26 | A kind of new-energy automobile intelligent charging wakes up and detecting system |
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| CN108462234A true CN108462234A (en) | 2018-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810250401.0A Withdrawn CN108462234A (en) | 2018-03-26 | 2018-03-26 | A kind of new-energy automobile intelligent charging wakes up and detecting system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448198A (en) * | 2018-12-18 | 2019-03-08 | 深圳市铁证科技有限公司 | A kind of face fingerprint recognition intelligent door lock control system |
| CN110641398A (en) * | 2019-08-22 | 2020-01-03 | 江苏春博电子科技有限公司 | Power management circuit based on PWM input signal |
| CN114056265A (en) * | 2021-09-29 | 2022-02-18 | 宁波普瑞均胜汽车电子有限公司 | Anti-interference touch awakening system and method thereof |
| WO2022082528A1 (en) * | 2020-10-21 | 2022-04-28 | 深圳欣锐科技股份有限公司 | Resistance load control circuit and electric vehicle |
-
2018
- 2018-03-26 CN CN201810250401.0A patent/CN108462234A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448198A (en) * | 2018-12-18 | 2019-03-08 | 深圳市铁证科技有限公司 | A kind of face fingerprint recognition intelligent door lock control system |
| CN110641398A (en) * | 2019-08-22 | 2020-01-03 | 江苏春博电子科技有限公司 | Power management circuit based on PWM input signal |
| WO2022082528A1 (en) * | 2020-10-21 | 2022-04-28 | 深圳欣锐科技股份有限公司 | Resistance load control circuit and electric vehicle |
| CN114056265A (en) * | 2021-09-29 | 2022-02-18 | 宁波普瑞均胜汽车电子有限公司 | Anti-interference touch awakening system and method thereof |
| CN114056265B (en) * | 2021-09-29 | 2023-10-31 | 宁波普瑞均胜汽车电子有限公司 | Anti-interference wake-on-touch system and method thereof |
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Application publication date: 20180828 |
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