CN105958634A - Miniature UPS power supply - Google Patents
Miniature UPS power supply Download PDFInfo
- Publication number
- CN105958634A CN105958634A CN201610533836.7A CN201610533836A CN105958634A CN 105958634 A CN105958634 A CN 105958634A CN 201610533836 A CN201610533836 A CN 201610533836A CN 105958634 A CN105958634 A CN 105958634A
- Authority
- CN
- China
- Prior art keywords
- module
- power supply
- small
- ups power
- chip
- 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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Classifications
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- 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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/248—UPS systems or standby or emergency generators
Abstract
The invention discloses a miniature UPS power supply, which comprises an AC/DC switching power supply converter module, a charging management module, a stable voltage output module, an MCU master control module and a USART series transceiver module, wherein an input end of the charging management module is connected with an external power supply through the AC/DC switching power supply converter module and an output end is connected with an upper industrial personal computer through the stable voltage output module; and a control terminal of the MCU master control module is connected with the control terminal of the charging management module through a universal serial bus and a communication terminal is connected with the upper industrial personal computer through the USART series transceiver module. The miniature UPS power supply has the advantages of small size, integration, anti-interference performance and the like, and is suitable for large-scale popularization; and the power supply can be remotely monitored and controlled.
Description
Technical field
The present invention relates to electronic device field, a kind of small-sized ups power.
Background technology
Ups power is the key equipment of intelligent transportation system, it be the velocity radar in system, capture camera,
The equipment such as 3G module provide stable power supply, run reliably for security of system and provide sound assurance.?
In traditional intelligent transportation system design, for guaranteeing equipment and the peace of data under system burst powering-off state
Entirely, system to be is equipped with general ups power and prevents accidental power failure, is equipped with Switching Power Supply and is exchanged by 220V
Transferring the direct current that 5--24V does not waits to, thus cause whole system bulky, casing can only be placed on roadbed,
And due to the communication protocol disunity of each equipment, use middle status monitoring the most inconvenient, hand over additionally, due to intelligence
Way system is all located in outdoor long-term work, unmanned.In system, the duty of each equipment such as can not
Collected by the information circuit of equipment and upload, then cannot guarantee the longtime running of whole system energy safety and stability.；
Therefore need to design the ups power that a kind of volume is little, integrated, can remotely be monitored and controlled.
Summary of the invention
It is an object of the invention to provide a kind of small-sized ups power, to solve proposition in above-mentioned background technology
Problem.
For achieving the above object, the present invention provides following technical scheme: a kind of small-sized ups power, including AC/DC
Switching Power Supply modular converter, charge management module, voltage stabilizing output module, MCU main control module and USART serial
Transceiver module, wherein: the input of described charge management module by AC/DC Switching Power Supply modular converter with
External power source connects, and its outfan is connected with upper industrial computer by voltage stabilizing output module；Described MCU master control
The end that controls of module is connected with the control end of charge management module by USB (universal serial bus), and its communication ends is passed through
USART serial transceiver module is connected with upper industrial computer.
Preferably, the 220VAC input of described AC/DC Switching Power Supply modular converter is additionally provided with lightning protection electricity
Road.
Preferably, described charge management module is by BQ24703 battery charger, reserce cell and peripheral electricity
Road forms, and the power input of described BQ24703 battery charger passes through AC/DC Switching Power Supply modular converter
It is connected with external power source, outside civil power is transferred to the DC source output that 5-24V does not waits, its cell input terminal
It is connected with reserce cell, to ensure when outside input power supply disappears, it is possible to be quickly switched into internal backup electricity
Pond powers, it is achieved seamless uninterrupted power supply.
Preferably, described reserce cell is lithium ion battery, and volume is little.
Preferably, described voltage stabilizing output module includes LTC3780 chip and peripheral circuit thereof, described LTC3780
The input of chip is connected with charge management module, and its outfan is connected with upper industrial computer, for upper industry control
Machine provides stable 12V voltage, and described LTC3780 chip is four that excellent performance, conversion efficiency are the highest
Switch synchronizes BUCK-BOOST circuit so that during work, circuit itself generates heat the least, and is conducive to improving built-in
The capacity usage ratio of battery.
Preferably, described voltage stabilizing output module also includes TPS5430DDA chip and peripheral circuit thereof, described
The input of TPS5430DDA chip is connected with LTC3780 chip, and its outfan is connected with upper industrial computer,
5V voltage is provided for upper industrial computer.
Preferably, described MCU main control module is for being made up of STC12C5A16S2 chip and peripheral oscillating circuit thereof
Minimum system, the control module of described STC12C5A16S2 chip pass through USB (universal serial bus) and Charge Management
The control end of module connects, and its communication ends is connected with upper industrial computer by USART serial transceiver module.
Preferably, described USART serial transceiver module is for meeting RS232 communication protocol and/or meeting RS485
The communication module of communication protocol.
Preferably, the temperature detection end of described MCU main control module is also associated with temperature sensing circuit, is used for supervising
Control power source temperature, prevents power source internal overheated.
The small-sized ups power of one that the present invention provides, has the advantage that employing one compared to existing technology
Change, Miniaturization Design, whole equipment incorporates the function of ups power and Switching Power Supply, effectively solves
The problem that presently, there are, owing to whole system volume significantly reduces, can be arranged on roadside rod member by system chassis
On, to install and use more flexible and convenient, efficiency is high；There is good antisurge and environmental suitability simultaneously,
Can be at steady operation under harsher power supply environment and climatic environment；Additionally, the intelligence of this small-sized ups power
Can control outstanding, local and remote all can realize the monitoring and control to power supply, when city's electrical anomaly, can touch
The system of sending out normally exits and shuts down, the safety of protection significant data, and uploads power supply status in real time, in time will
Civil power abnormal information uploads to backstage, and the personnel that maintain easily remotely detect.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the present invention；
Fig. 2 is the circuit structure schematic diagram of AC/DC Switching Power Supply modular converter；
Fig. 3 is the circuit structure schematic diagram of charge management module；
Fig. 4 is 12V voltage stabilizing output module circuit structure schematic diagram；
Fig. 5 is 5V voltage stabilizing output module circuit structure schematic diagram；
Fig. 6 is the circuit structure schematic diagram of MCU main control module；
Fig. 7 is the circuit structure schematic diagram of temperature sensing circuit；
Fig. 8 is the circuit structure schematic diagram of the USART serial transceiver module meeting RS232 communication protocol；
Fig. 9 is the circuit structure schematic diagram of the USART serial transceiver module meeting RS485 communication protocol；
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of small-sized ups power, including AC/DC Switching Power Supply modular converter,
Charge management module, voltage stabilizing output module, MCU main control module and USART serial transceiver module, wherein:
As in figure 2 it is shown, the selection of AC/DC Switching Power Supply modular converter is common reverse exciting topological, circuit becomes
Ripe reliably, its power input is connected with mains supply, and outfan is connected with charge management module；It is satisfied
The requirement of system field work, the 220VAC input of this AC/DC Switching Power Supply modular converter have also been devised defeated
Enter lightning protection circuit, make this product have good antisurge performance, good input by optimizing design
Adaptability (wide range input voltage) and environmental suitability, it is possible at harsher power supply environment and weather
Steady operation under environment；
The core of UPS function is realized, including BQ24703 as it is shown on figure 3, described charge management module is the present invention
Battery charger, lithium ion battery and peripheral circuit, wherein, BQ24703 battery charger has perfect electricity
Pond charging controls to manage function, its power input and AC/DC Switching Power Supply modular converter with supply path
Outfan connects, thus is connected with mains supply, and the DC source that outside civil power transfers to 5-24V not grade is defeated
Going out, its cell input terminal is connected with lithium ion battery, when may be implemented in outside input power supply disappearance, quickly cuts
Change to internal reserce cell power；This partial circuit coordinate built-in lithium ion battery achieve seamless uninterruptedly
Power supply, when inputting city's electrical anomaly, triggers machine system and normally exits and shut down, protect significant data,
When powering normal, system can be allowed automatically to recover normally to work；
As shown in Figure 4,5, described voltage stabilizing output module include LTC3780 chip, TPS5430DDA chip and
Its peripheral circuit, wherein, four switches that LTC3780 chip is a kind of excellent performance, conversion efficiency is the highest are same
Step BUCK-BOOST circuit, during work, circuit heating itself is the least, and is conducive to improving the energy of internal battery
Utilization rate；The input of LTC3780 chip is connected with the outfan of charge management module, and its outfan can be defeated
Go out 12V voltage, directly can be connected with upper industrial computer, power for upper industrial computer；For providing 5V voltage,
One outfan of LTC3780 chip is connected with upper industrial computer also by TPS5430DDA chip, by with
Efficient 5V output BUCK circuit coordinates, it is achieved the voltage that output 12V with 5V two-way is different simultaneously, for intelligence
The multiple relevant device of energy traffic system provides the supply of reliable power supply；
As shown in Figure 6, described MCU main control module is by STC12C5A16S2 chip and peripheral oscillating circuit thereof
The minimum system of composition, the control end of described STC12C5A16S2 chip passes through USB (universal serial bus) and charging valve
The control end of reason module connects, and its communication ends is connected with upper industrial computer by USART serial transceiver module,
Its temperature detection end is also connected with a temperature sensing circuit as shown in Figure 7, for detection power source internal in real time
Temperature, prevents power supply overheated；
USART serial transceiver module can select the communication module meeting RS232 communication protocol, as shown in Figure 8,
Including MAX3232CD chip and peripheral circuit thereof, it is also possible to select the communication mould meeting RS485 communication protocol
Block RS485 communication protocol, as it is shown in figure 9, include MAX485ESA chip and peripheral circuit thereof, to realize
Timed power on/off, remote reboot, and the input AC voltage of power supply, the voltage of built-in backup battery, power supply
The data upload functions such as output voltage, power source internal real time temperature detection；Meanwhile, energy when when city's electrical anomaly
In time relevant information being uploaded to backstage, the personnel that maintain easily remotely understand device context situation；Therefore this is little
It is little, integrated, anti-interference and the advantages such as power supply can be remotely monitored and controlled that type ups power has volume, suitable
Close large-scale promotion.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art,
It is appreciated that and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention
Changing, revise, replace and modification, the scope of the present invention be defined by the appended.
Claims (9)
1. a small-sized ups power, it is characterised in that include AC/DC Switching Power Supply modular converter, charging
Management module, voltage stabilizing output module, MCU main control module and USART serial transceiver module, wherein: described in fill
The input of fulgurite reason module is connected with external power source by AC/DC Switching Power Supply modular converter, its outfan
It is connected with upper industrial computer by voltage stabilizing output module；The control end of described MCU main control module passes through general string
Row bus is connected with the control end of charge management module, and its communication ends passes through USART serial transceiver module with upper
Position industrial computer connects.
The small-sized ups power of one the most according to claim 1, it is characterised in that described AC/DC opens
The 220VAC input closing power transfer module is additionally provided with lightning protection circuit.
The small-sized ups power of one the most according to claim 1, it is characterised in that described Charge Management
Module for be made up of BQ24703 battery charger, reserce cell and peripheral circuit, described BQ24703 battery
The power input of charger is connected with external power source by AC/DC Switching Power Supply modular converter, and its battery is defeated
Enter end to be connected with reserce cell.
The small-sized ups power of one the most according to claim 3, it is characterised in that described reserce cell
For lithium ion battery.
The small-sized ups power of one the most according to claim 1, it is characterised in that described voltage stabilizing exports
Module includes LTC3780 chip and peripheral circuit thereof.
The small-sized ups power of one the most according to claim 5, it is characterised in that described voltage stabilizing exports
Module also includes TPS5430DDA chip and peripheral circuit thereof, the input of described TPS5430DDA chip with
LTC3780 chip connects, and its outfan is connected with upper industrial computer.
The small-sized ups power of one the most according to claim 1, it is characterised in that described MCU master control
Module is the minimum system being made up of STC12C5A16S2 chip and peripheral oscillating circuit thereof, described
The end that controls of STC12C5A16S2 chip is connected with the control end of charge management module by USB (universal serial bus),
Its communication ends is connected with upper industrial computer by USART serial transceiver module.
The small-sized ups power of one the most according to claim 1, it is characterised in that described USART goes here and there
Row transceiver module is to meet RS232 communication protocol and/or meet the communication module of RS485 communication protocol.
The small-sized ups power of one the most according to claim 1, it is characterised in that described MCU master control
The temperature detection end of module is also associated with temperature sensing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610533836.7A CN105958634A (en) | 2016-07-07 | 2016-07-07 | Miniature UPS power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610533836.7A CN105958634A (en) | 2016-07-07 | 2016-07-07 | Miniature UPS power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105958634A true CN105958634A (en) | 2016-09-21 |
Family
ID=56901297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610533836.7A Pending CN105958634A (en) | 2016-07-07 | 2016-07-07 | Miniature UPS power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105958634A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849342A (en) * | 2017-04-25 | 2017-06-13 | 深圳市中旭源科技有限公司 | Programmable double-input uninterrupted switch power supply |
| CN106823143A (en) * | 2017-03-20 | 2017-06-13 | 广州市家佑医疗科技有限公司 | Medium-frequency pulse electro-therapeutic apparatus and impulse electronic therapeutic meter control system |
| 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 |
| CN112977891A (en) * | 2021-01-04 | 2021-06-18 | 珠海创旗科技有限公司 | Power supply system |
| CN114301117A (en) * | 2021-12-22 | 2022-04-08 | 科德数控股份有限公司 | UPS power supply for industrial personal computer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820697A (en) * | 2012-09-21 | 2012-12-12 | 安徽理工大学 | DSP (digital signal processor) based control system of uninterrupted power supply |
| WO2015186282A1 (en) * | 2014-06-03 | 2015-12-10 | ソニー株式会社 | Electrical power-supplying device and method for supplying electrical power |
| CN205195359U (en) * | 2015-05-04 | 2016-04-27 | 储盈新能源科技（上海）有限公司 | New uninterrupted power source |
| CN205791788U (en) * | 2016-07-07 | 2016-12-07 | 安徽超远信息技术有限公司 | A kind of small-sized ups power |
-
2016
- 2016-07-07 CN CN201610533836.7A patent/CN105958634A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820697A (en) * | 2012-09-21 | 2012-12-12 | 安徽理工大学 | DSP (digital signal processor) based control system of uninterrupted power supply |
| WO2015186282A1 (en) * | 2014-06-03 | 2015-12-10 | ソニー株式会社 | Electrical power-supplying device and method for supplying electrical power |
| CN205195359U (en) * | 2015-05-04 | 2016-04-27 | 储盈新能源科技（上海）有限公司 | New uninterrupted power source |
| CN205791788U (en) * | 2016-07-07 | 2016-12-07 | 安徽超远信息技术有限公司 | A kind of small-sized ups power |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823143A (en) * | 2017-03-20 | 2017-06-13 | 广州市家佑医疗科技有限公司 | Medium-frequency pulse electro-therapeutic apparatus and impulse electronic therapeutic meter control system |
| CN106849342A (en) * | 2017-04-25 | 2017-06-13 | 深圳市中旭源科技有限公司 | Programmable double-input uninterrupted switch power supply |
| 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 |
| CN107134847B (en) * | 2017-05-25 | 2023-10-24 | 苏州日博飞能源科技有限公司 | Wide input modular direct current uninterrupted power system |
| CN112977891A (en) * | 2021-01-04 | 2021-06-18 | 珠海创旗科技有限公司 | Power supply system |
| CN114301117A (en) * | 2021-12-22 | 2022-04-08 | 科德数控股份有限公司 | UPS power supply for industrial personal computer |
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Application publication date: 20160921 |