CN107276191A - Safe and reliable electri forklift intelligent charging machine - Google Patents
Safe and reliable electri forklift intelligent charging machine Download PDFInfo
- Publication number
- CN107276191A CN107276191A CN201710696469.7A CN201710696469A CN107276191A CN 107276191 A CN107276191 A CN 107276191A CN 201710696469 A CN201710696469 A CN 201710696469A CN 107276191 A CN107276191 A CN 107276191A
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- Prior art keywords
- circuit
- output end
- change
- charging
- light source
- 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.)
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- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 210000001367 artery Anatomy 0.000 claims description 2
- 210000003462 vein Anatomy 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 101100236764 Caenorhabditis elegans mcu-1 gene Proteins 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
-
- H02J7/027—
-
- 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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to charger technical field, it is specifically a kind of rational in infrastructure, the safe and reliable electri forklift intelligent charging machine of working stability, it is characterized in that being provided with controller MCU in housing, charging mechanism, charging curve changes circuit, wherein controller MCU respectively with charging mechanism, charging curve is changed circuit and is connected, the charging mechanism includes transformer, rectification circuit, current divider, current detection circuit, amplifying circuit, charging current control circuit, A/D change-over circuits, D/A change-over circuits, wherein controller MCU respectively with A/D change-over circuits, D/A change-over circuits are connected, the other end of A/D change-over circuits is connected with the output end of current detection circuit, the input of current detection circuit is connected with the output end of amplifying circuit, the present invention is compared with prior art, with rational in infrastructure, operating efficiency is high, the low significant advantage of cost.
Description
Technical field：
It is specifically a kind of rational in infrastructure, working stability safe and reliable the present invention relates to charger technical field
Electri forklift intelligent charging machine.
Background technology：
It is known that the power supply of electri forklift is provided by lead-acid accumulator or lithium battery, traditional charging technique includes perseverance
Pressure charging, modified constant-voltage charge and constant-current charge isotype, and the battery of different manufacturers, different model or different size fills
Electric curve may not be consistent, and this requires the preset charging curve corresponding with battery in charger, if the otherwise volume in charger
Charging curve is with being electrically charged that pond is not corresponding, mismatch, and it is not enough to cause to be electrically charged battery electric quantity, so that in the continuation of the journey of electri forklift
Journey is not enough, or causes battery to fill drum, causes cell damage, brings great economic loss.
Charger typically use sealing and dustproof waterproof structure, when charger dispatches from the factory, be prefixed in charger with it is a certain
Plant the charging curve for the self-contained battery matching that electric automobile producer is provided, if it is desired to change a kind of battery and use, be also accomplished by
Charging curve in the charger of change corresponding thereto, the method used at present is one charger of direct replacing, it is necessary to anti-
It is high that related accessory, complex operation, and cost are dismantled again.
The content of the invention：
The present invention is for shortcoming and defect present in prior art, it is proposed that a kind of peace rational in infrastructure, working stability
Complete reliable electri forklift intelligent charging machine.
The present invention can be reached by following measures：
A kind of safe and reliable electri forklift intelligent charging machine, provided with housing, it is characterised in that provided with control in housing
Device MCU, charging mechanism, charging curve change circuit, and wherein controller MCU changes circuit with charging mechanism, charging curve respectively
It is connected, the charging mechanism includes transformer, rectification circuit, current divider, current detection circuit, amplifying circuit, charging current
Control circuit, A/D change-over circuits, D/A change-over circuits, wherein controller MCU respectively with A/D change-over circuits, D/A change-over circuit phases
Connection, the other end of A/D change-over circuits is connected with the output end of current detection circuit, and the input of current detection circuit is with putting
The output end of big circuit is connected, and the input of amplifying circuit is connected with the output end of current divider, the input of current divider with
Rectification circuit is connected, and rectification circuit is connected with the both positive and negative polarity of battery to be charged and rectification circuit is connected with transformer, fills
Electric current control circuit is connected between D/A change-over circuits and rectification circuit, is additionally provided with the channel radio being connected with controller MCU
Believe circuit；It is additionally provided with rectification circuit, ac voltage detection circuit, DC voltage detection circuit, pfc circuit, DC/DC booster circuits
And pulsewidth modulated intergrated circuit；The ac voltage detection circuit is connected with external communication input port, output end and the arteries and veins
The alternating voltage test side of wide IC of modulating is connected；The DC voltage detection circuit and external dc input port phase
Even, the output end of the DC voltage detection circuit is connected with the DC voltage test side of the pulsewidth modulated intergrated circuit；Institute
The input for stating rectification circuit is connected with external communication input port, output end input respectively with the pfc circuit, described
The input of DC/DC booster circuits is connected；External dc input port is connected with the output end of the rectification circuit；The PFC
The output end of circuit and the output end of the DC/DC booster circuits are connected with rear class power conversion circuit；The pulsewidth modulation collection
The first PWM drive ends into circuit are connected with the pfc circuit, the 2nd PWM drive ends of the pulsewidth modulated intergrated circuit with
The DC/DC booster circuits are connected.
Radio communication circuit of the present invention uses WIFI communication modules or 4G/GPRS communication modules or Bluetooth communication mould
Block.
Rectification circuit of the present invention uses SCR rectification circuit.
Charging curve of the present invention change circuit include the transmitter that is located at outside housing and in housing and with control
The receiver that device MCU is connected, wherein transmitter are provided with mission controller, drive circuit, light source, button, power circuit, wherein
Mission controller is connected with drive circuit, button, power circuit respectively, and the output end of drive circuit is connected with light source；Connect
Receive device be provided with reception drive circuit, light source, button, wherein controller MCU respectively with reception drive circuit, light source, button
It is connected, the output end of drive circuit is connected with light source；Wherein light source uses LED/light source, is all provided with drive circuit limited
Leakage resistance.
In the use of the present invention, the power supply of mission controller use 5V button cell BAT, the 22nd pin of mission controller with
Button S1 is connected with pull-up resistor R1, and the 26th pin is connected with current-limiting resistance R1, and R1 is connected with the positive pole of light source led, LED negative pole
Ground connection, when button S1 is pressed, mission controller control light source is flashed with fixed frequency, and its fixed frequency represents a kind of battery
Charging curve；Controller MCU 21 pin are connected by current-limiting resistance R3 with light source led positive pole in receiving mechanism, and light source led is born
Pole is grounded, and when charger need not change built-in charging curve, light source led is light emitting source, for showing whole charger
Working condition, when charger needs to change built-in charging curve, LED receives the load of external emitters transmission to receive light source
There is the frequency signal of charging curve information；Light source led receives flasher stimulation, and the 3V of equal frequencies is produced in its positive terminal
Level signal, controller MCU detects this level signal, completes the replacing of charging curve.
The present invention compared with prior art, with rational in infrastructure, operating efficiency is high, the low significant advantage of cost.
Brief description of the drawings：
Accompanying drawing 1 is the structure chart of the present invention.
Reference：Controller MCU1, transformer 2, rectification circuit 3, current divider 4, current detection circuit 5, amplifying circuit
6th, charging current control circuit 7, A/D change-over circuits 8, D/A change-over circuits 9, charging curve change circuit 10, radio communication circuit
11。
Embodiment：
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in drawings, the present invention proposes a kind of safe and reliable electri forklift intelligent charging machine, provided with housing, its
Be characterised by housing changing circuit 10 provided with controller MCU1, charging mechanism, charging curve, wherein controller MCU respectively with
Charging mechanism, charging curve are changed circuit and are connected, and the charging mechanism includes transformer 2, rectification circuit 3, current divider 4, electricity
Current detection circuit 5, amplifying circuit 6, charging current control circuit 7, A/D change-over circuits 8, wherein D/A change-over circuits 9, controller
MCU1 is connected with A/D change-over circuits 8, D/A change-over circuits 9 respectively, the other end and the current detection circuit 5 of A/D change-over circuits 8
Output end be connected, the input of current detection circuit 5 is connected with the output end of amplifying circuit 6, the input of amplifying circuit 6
End is connected with the output end of current divider 4, and the input of current divider 4 is connected with rectification circuit, rectification circuit 3 and electricity to be charged
The both positive and negative polarity in pond is connected and rectification circuit 3 is connected with transformer 2, and charging current control circuit 7 is connected to D/A change-over circuits
Between 9 and rectification circuit 3, the radio communication circuit 11 being connected with controller MCU is additionally provided with；Provided with rectification circuit, alternating current
Pressure detection circuit, DC voltage detection circuit, pfc circuit, DC/DC booster circuits and pulsewidth modulated intergrated circuit；The exchange
Voltage detecting circuit is connected with external communication input port, and output end and the alternating voltage of the pulsewidth modulated intergrated circuit are detected
End is connected；The DC voltage detection circuit is connected with external dc input port, and the DC voltage detects the output of circuit
End is connected with the DC voltage test side of the pulsewidth modulated intergrated circuit；The input of the rectification circuit and external communication are defeated
Inbound port is connected, and input, the input of the DC/DC booster circuits of output end respectively with the pfc circuit are connected；It is outside
Direct-flow input end mouthful is connected with the output end of the rectification circuit；The output end of the pfc circuit and the DC/DC booster circuits
Output end be connected with rear class power conversion circuit；First PWM drive ends of the pulsewidth modulated intergrated circuit and PFC electricity
Road is connected, and the 2nd PWM drive ends of the pulsewidth modulated intergrated circuit are connected with the DC/DC booster circuits.
Radio communication circuit 11 of the present invention uses WIFI communication modules or 4G/GPRS communication modules or Bluetooth communication
Module.
Rectification circuit 3 of the present invention uses SCR rectification circuit.
Charging curve of the present invention change circuit 10 include the transmitter that is located at outside housing and in housing and with control
The receiver that device MCU processed is connected, wherein transmitter are provided with mission controller, drive circuit, light source, button, power circuit, its
Middle mission controller is connected with drive circuit, button, power circuit respectively, and the output end of drive circuit is connected with light source；
Receiver be provided with reception drive circuit, light source, button, wherein controller MCU respectively with reception drive circuit, light source, press
Key is connected, and the output end of drive circuit is connected with light source；Wherein light source is used and is equipped with LED/light source, drive circuit
Current-limiting resistance.
In the use of the present invention, the power supply of mission controller use 5V button cell BAT, the 22nd pin of mission controller with
Button S1 is connected with pull-up resistor R1, and the 26th pin is connected with current-limiting resistance R1, and R1 is connected with the positive pole of light source led, LED negative pole
Ground connection, when button S1 is pressed, mission controller control light source is flashed with fixed frequency, and its fixed frequency represents a kind of battery
Charging curve；Controller MCU 21 pin are connected by current-limiting resistance R3 with light source led positive pole in receiving mechanism, and light source led is born
Pole is grounded, and when charger need not change built-in charging curve, light source led is light emitting source, for showing whole charger
Working condition, when charger needs to change built-in charging curve, LED receives the load of external emitters transmission to receive light source
There is the frequency signal of charging curve information；Light source led receives flasher stimulation, and the 3V of equal frequencies is produced in its positive terminal
Level signal, controller MCU detects this level signal, completes the replacing of charging curve.
The present invention compared with prior art, with rational in infrastructure, operating efficiency is high, the low significant advantage of cost.
Claims (4)
1. a kind of safe and reliable electri forklift intelligent charging machine, provided with housing, it is characterised in that controller is provided with housing
MCU, charging mechanism, charging curve change circuit, and wherein controller MCU changes circuit phase with charging mechanism, charging curve respectively
Connection, the charging mechanism includes transformer, rectification circuit, current divider, current detection circuit, amplifying circuit, charging current control
Circuit processed, A/D change-over circuits, D/A change-over circuits, wherein controller MCU are connected with A/D change-over circuits, D/A change-over circuits respectively
Connect, the other end of A/D change-over circuits is connected with the output end of current detection circuit, the input of current detection circuit and amplification
The output end of circuit is connected, and the input of amplifying circuit is connected with the output end of current divider, the input of current divider with it is whole
Current circuit is connected, and rectification circuit is connected with the both positive and negative polarity of battery to be charged and rectification circuit is connected with transformer, charging
Current control circuit is connected between D/A change-over circuits and rectification circuit, is additionally provided with the radio communication being connected with controller MCU
Circuit；Provided with rectification circuit, ac voltage detection circuit, DC voltage detection circuit, pfc circuit, DC/DC booster circuits and arteries and veins
Wide IC of modulating；The ac voltage detection circuit is connected with external communication input port, and output end is adjusted with the pulsewidth
The alternating voltage test side of integrated circuit processed is connected；The DC voltage detection circuit is connected with external dc input port, institute
The output end for stating DC voltage detection circuit is connected with the DC voltage test side of the pulsewidth modulated intergrated circuit；The rectification
The input of circuit is connected with external communication input port, input, the DC/DC of output end respectively with the pfc circuit
The input of booster circuit is connected；External dc input port is connected with the output end of the rectification circuit；The pfc circuit
Output end and the output end of the DC/DC booster circuits are connected with rear class power conversion circuit；The pulsewidth modulated intergrated circuit
The first PWM drive ends be connected with the pfc circuit, the 2nd PWM drive ends of the pulsewidth modulated intergrated circuit and the DC/
DC booster circuits are connected.
2. a kind of safe and reliable electri forklift intelligent charging machine according to claim 1, it is characterised in that described
Radio communication circuit uses WIFI communication modules or 4G/GPRS communication modules or bluetooth communication.
3. a kind of safe and reliable electri forklift intelligent charging machine according to claim 1, it is characterised in that described
Rectification circuit uses SCR rectification circuit.
4. a kind of safe and reliable electri forklift intelligent charging machine according to claim 1, it is characterised in that described to fill
Electric curve, which changes circuit, includes the transmitter being located at outside housing and the receiver being connected in housing and with controller MCU,
Wherein transmitter be provided with mission controller, drive circuit, light source, button, power circuit, wherein mission controller respectively with driving
Circuit, button, power circuit are connected, and the output end of drive circuit is connected with light source；Receiver is electric with driving provided with receiving
Road, light source, button, wherein controller MCU are connected with reception with drive circuit, light source, button respectively, the output of drive circuit
End is connected with light source；Wherein light source uses in LED/light source, drive circuit and is equipped with current-limiting resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710696469.7A CN107276191A (en) | 2017-08-15 | 2017-08-15 | Safe and reliable electri forklift intelligent charging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710696469.7A CN107276191A (en) | 2017-08-15 | 2017-08-15 | Safe and reliable electri forklift intelligent charging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107276191A true CN107276191A (en) | 2017-10-20 |
Family
ID=60077682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710696469.7A Pending CN107276191A (en) | 2017-08-15 | 2017-08-15 | Safe and reliable electri forklift intelligent charging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107276191A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808942A (en) * | 2017-12-07 | 2018-03-16 | 合肥国盛电池科技有限公司 | Self-shield vehicle mounted electric pitches Vehicular battery management system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567571A (en) * | 2009-01-16 | 2009-10-28 | 上海第二工业大学 | Intelligent charging machine for an electric forklift truck |
| CN105226735A (en) * | 2014-06-13 | 2016-01-06 | 国家电网公司 | A kind of alternating current-direct current compatible type Vehicular charger front stage circuits and Vehicular charger |
| CN204992650U (en) * | 2015-07-27 | 2016-01-20 | 威海天力电源有限公司 | Isolated change device of quick -witted charging curve that charges |
-
2017
- 2017-08-15 CN CN201710696469.7A patent/CN107276191A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567571A (en) * | 2009-01-16 | 2009-10-28 | 上海第二工业大学 | Intelligent charging machine for an electric forklift truck |
| CN105226735A (en) * | 2014-06-13 | 2016-01-06 | 国家电网公司 | A kind of alternating current-direct current compatible type Vehicular charger front stage circuits and Vehicular charger |
| CN204992650U (en) * | 2015-07-27 | 2016-01-20 | 威海天力电源有限公司 | Isolated change device of quick -witted charging curve that charges |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808942A (en) * | 2017-12-07 | 2018-03-16 | 合肥国盛电池科技有限公司 | Self-shield vehicle mounted electric pitches Vehicular battery management system |
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Application publication date: 20171020 |
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