CN106820980A - A kind of intelligent drinking machine that can adjust temperature and water yield - Google Patents
A kind of intelligent drinking machine that can adjust temperature and water yield Download PDFInfo
- Publication number
- CN106820980A CN106820980A CN201710050433.1A CN201710050433A CN106820980A CN 106820980 A CN106820980 A CN 106820980A CN 201710050433 A CN201710050433 A CN 201710050433A CN 106820980 A CN106820980 A CN 106820980A
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- water
- temperature
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- drinking machine
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/4403—Constructional details
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/54—Water boiling vessels in beverage making machines
- A47J31/56—Water boiling vessels in beverage making machines having water-level controls; having temperature controls
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/58—Safety devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J2202/00—Devices having temperature indicating means
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of intelligent drinking machine that can adjust temperature and water yield, including：Sensor unit, man-machine interaction unit, control unit, heating unit and alarm unit; water dispenser of the present invention can realize random temperature adjustment, free precise control water yield and safety precautions; the convenience and security of water dispenser are substantially increased, demand of the user to water dispenser is met.
Description
Technical field
The invention belongs to household electrical appliance technical field, specifically one kind adjusts temperature and water yield based on PWM ripples
Intelligent drinking machine.
Background technology
PWM is exactly pulse width modulation, that is, variable duty ratio impulse waveform
Pulse width modulation is a kind of to carry out digitally coded method to analog signal level.By high-resolution counter
Use, the dutycycle of square wave is modulated to be encoded for the level to a physical simulation signal.Pwm signal is still several
Word, because at given any moment, or the direct current supply of full amplitude has (ON) completely, or entirely without (OFF).Voltage
Or current source is to be added to what fictitious load got on the repetition pulse sequence of one kind logical (ON) or disconnected (OFF).It is when logical
It is that direct current supply is added to when in load, when being that power supply is disconnected when disconnected.As long as bandwidth is enough, Ren Hemo
Analog values can be encoded using PWM.
Water dispenser is risen in the water dispenser of the nineties in last century, and the temperature in household appliance technical field is with compatriots' life water
Flat Quality advance and rise year by year.
Water dispenser is exactly as its name suggests the household products for solving people's Drinking Water Problem and being born.Because lifting the drinking-water matter of people
Amount and life grade and turn into fashion and enjoy compatriots to like.Initial water dispenser is the household products that people drink bottled water, point
It is vertical and desk-top two major class.In order to meet the drinking habit of compatriots, the function of water dispenser realizes heating and refrigeration again,
The drummed pure water in this stage plays a key effect for the birth of water dispenser with development.
Present water dispenser has been commonly used for the public places such as station, school, is very easy to the life of people.
But current most of water dispensers only have simple refrigeration or the function of heating, can only be by ceaselessly making
Cold or heating produces very cool or awfully hot water.And can be directly to drink the need for most of users, the temperature of moderate temperature
Water.This is accomplished by the hot water and cold water that user voluntarily mixes in water dispenser according to a certain percentage, is a fairly cumbersome process.
It is not that supercooling is exactly to overheat and manually mixing is difficult to make water temperature reach desired value, user is drunk and causes great inconvenience.
Present water dispenser is required for manually being switched in addition, thus can not accurately control very much water yield, has
When much must can lack sometimes, for a user, so be difficult gain control of degree, to life will also result in it is certain not
Just.And user can forget to close tap unavoidably sometimes in addition, and water can be caused to overflow cup, not only be likely to result in water resource
Waste, or even may also result in the major accidents such as system short-circuit.
And most water dispenser have ignored safety precautions currently on the market.For the equipment of electricity consumption, by
In aging circuit, insulate the reason such as poor, it is more likely that can cause the failures such as electric leakage, short circuit, cause more serious consequence.Have
When may result in tripping operation, so as to influence customer power supply, and because electricity consumption may be revealed, water dispenser also can be to the person of user
Safety produces certain threat.
Sum it up, above-mentioned water dispenser have can not arbitrarily temperature adjustment, free precise control water yield and can not have
The shortcomings of safety precautions, all greatly have impact on the convenience and security of water dispenser, it is impossible to enough to meet user well
To the demand of water dispenser.
The content of the invention
Present invention aim to overcome that current water dispenser can not arbitrarily temperature adjustment, can not freely control water yield and without pacifying
The shortcomings of full guard measure and provide it is a kind of can with design temperature, water yield adjusting and the intelligence with safety alarm device drink
Water dispenser.
A kind of intelligent drinking machine that can adjust temperature and water yield, including：
Sensor unit, for the temperature information and water yield of water to be converted into electric signal, is transported for control unit
Calculate, compare and control；
Man-machine interaction unit, exchanges for entering row information with user, including receive information and is displayed information to from user
User；
Control unit, for being controlled to system, by detecting that water temperature and water yield determine the action of next step；
Heating unit, for heating drinking water, is adjusted with will pass through control system to output water temperature；
Alarm unit, for alarming, is alarmed when system breaks down by alarm unit；
Described sensor unit includes：
Pressure sensor, for detecting water dispenser water yield；
Temperature sensor, for detecting cold water temperature and hot water temperature in water dispenser；
Described man-machine interaction unit includes：
Input block, for the information of user input setting；
Display unit, out, the operation of water dispenser is understood so as to extraneous user for by the various presentation of information of water dispenser
State is simultaneously operated on it；
Described control unit includes：
Arithmetic element, when the drinking water of design temperature is produced for calculating, the ratio of hot water and cold water mix in water dispenser；
PWM ripple generation units, for the proportionality coefficient being calculated according to computing unit, produce the side of duty ratio corresponding
Ripple come control add hot water or cold water；
Comparing unit, water yield and water yield for comparing setting, when water yield reaches setting value, closes drink
Water dispenser valve, stops water outlet；
Described heating unit is made up of heating wire；
Described alarm unit includes a transistor, a buzzer, two resistance and a light emitting diode；
Wherein, triode Q2 grounded emitters, R7 is connected on the base bleeder of triode Q2, and buzzer and light emitting diode parallel connection are followed by
The colelctor electrode of triode Q2, R8 is connected between power supply and buzzer and light emitting diode, it is ensured that buzzer and light emitting diode two
Terminal voltage is rated value；
Described input block is mainly made up of mechanical key；
Described real unit is mainly made up of liquid crystal display；
The method of work of the above-mentioned intelligent drinking machine that can adjust temperature and water yield, comprises the following steps：
(1) cup is placed on specified location, pressure sensor measures pressure now, used as system initial value；
(2) user is configured by button to leaving water temperature and water yield, and these parameters are displayed on liquid crystal display；
(3) there is the hot water for being heated to very high temperature (about 95 DEG C) already in water dispenser, and temperature is approximately equal to room temperature
Cold water, temperature sensor ceaselessly measures the two temperature values, and passes to control unit；
(4) ratio when control unit calculates cold water and hot water mixing according to design temperature and cold water, the temperature of hot water
Coefficient；
(5) control unit generates the PWM square waves of duty ratio corresponding according to the proportionality coefficient for calculating；
(6) controlled according to PWM square waves, hot water is released during high level, cold water is released during low level, setting temperature is obtained after mixing
The drinking water of degree；
(7) pressure sensor measures the pressure of cup when discharging water, and control unit subtracts initial value, is on duty and is equal to this value
During setting value, control unit control water dispenser stops water outlet；
(8) when water dispenser running status is abnormal, or faulty appearance, control unit sends alarm signal, control report
Alert system alarm.
The beneficial effects of the present invention are：Water dispenser of the present invention can realize random temperature adjustment, free precise control
Water yield and safety precautions, substantially increase the convenience and security of water dispenser, meet user to water dispenser
Demand.
Brief description of the drawings：
Fig. 1 is the overall structure diagram of water dispenser of the present invention；
Fig. 2 is heater circuit schematic diagram of the present invention；
Fig. 3 is alarm portion schematic diagram of the present invention；
Fig. 4 is control section algorithm flow chart of the present invention；
Fig. 5 is arrangement of temperature sensor schematic diagram of the present invention；
Fig. 6 is pressure sensor structure schematic diagram of the present invention.
Specific embodiment
It is real to above-mentioned water dispenser below in conjunction with the accompanying drawings and specific embodiment to more specifically describe the present invention
The technical scheme that now regulation temperature and water yield are taken is described further：
Overall structure figure is as shown in figure 1, the novel water dispenser mainly includes two containment portions and two valves, difference
Store cold water and hot water and control out cold water or hot water.
Overall workflow figure is as shown in figure 4, the control section of the novel water dispenser includes keyboard scan, AD readings and interior
Three subprograms of portion's computing, system using time-division processing method, each subprogram activation very short time, In the view of it is extraneous just
It is synchronous operation.The system reads cup weight by pressure sensor, reads as the initial value for weighing, and temperature sensor
The temperature of backheat water and cold water.Then user is input into by human-computer interaction module needs water temperature value and water yield, if it exceeds model
Enclose, show mistake.After input data, calculated first inside control unit, drawn the ratio that hot water and cold water occupy respectively
Example, then generates a PWM waveform according to this ratio, and then the low and high level according to this PWM ripple opens hot and cold water valve
Door.At the same time, pressure sensor constantly returning pressure value, after being compared with setting value inside control unit, if
Setting value is reached, then closes total valve, stop water outlet, and display has been completed.
As shown in Figure 5 and Figure 6, they are used to for temperature and pressure to be converted into electric signal sensor unit structure.Start fortune
After row system, sensor circuit can return to different magnitudes of voltage due to the difference of temperature and pressure, by the AD conversion of single-chip microcomputer
After module reads, computing is carried out according to known corresponding relation inside control unit, you can draw the temperature value and pressure of measurement
Force value, is then stored.
Man-machine interaction unit is exchanged for entering row information with user.When system brings into operation, shown on liquid crystal display
Current set value, user can modify as desired by keyboard.After user key-press, control unit is performed not according to key
Same operation, and by presentation of information on liquid crystal display.
Heater circuit general structure opens current limliting after heating function as shown in Fig. 2 its main workpiece is resistance wire
Resistance R2 short circuits, part R1 begins to heating in water.It is general that a maximum temperature (95 DEG C) for acquiescence, hot water are set in system
Stop heating after reaching this temperature so that hot water is maintained at this temperature.Can be with using existing when user needs warm water
Hot water, and without waiting for heating.
Control unit is mainly TMS320F2812.It is while what reception human-computer interaction module and sensor assembly sent
, be compared for two groups of data in internal memory, computing by data, and storing.Temperature value is made up of three parts：Hot water temperature
T1, cold water temperature T2 and target temperature T3.So according to target temperature, one dutycycle of generation is (T3-T2)/(T1-T2's)
PWM ripples, high level puts hot water, and low level lets cool water, i.e. T1* (T3-T2)/(T1-T2)+T2* (T1-T3)/(T1-T2)=T3,
The warm water that temperature is T3 can just be obtained.In addition, water yield is controlled according to pid algorithm, until the water that pressure value is converted to
Just stop water outlet equal to setting value.
Alarm unit is used to send alarm signal, and warning circuit is as shown in Figure 3.If system breaks down, alarm unit
The alarm signal (high level) that control section sends can be received, now triode Q2 base voltages are raised, triode Q2 is positive
Conducting, light emitting diode D2 and buzzer B1 on colelctor electrode start working, and send light and sound is alarmed.
(1) reference picture 6, pressure sensor is mainly made up of piezo-resistance, and when ambient pressure value changes, resistance value changes
Become, so as to the magnitude of voltage for causing pressure sensor circuit to export changes.Control unit passes through A/D converter circuit read voltage value, and
It is quantified as digital quantity.Equally, reference picture 5, temperature sensor is mainly made up of thermistor, when water temperature changes, resistance
Value changes cause voltage change, same control unit to obtain digital quantity in subsequent treatment by AD；
(2) after system operation, user is input into the water temperature and water of needs on keyboard, and single-chip microcomputer is obtained by scanning button
These data, and stored, while by these data displays on liquid crystal display, to provide the user with feedback information；
(3) for the pressure value and the water yield of user input that are obtained by sensor, control unit will set out first
Water is converted to pressure value according to the density and g of water, is then compared with currency, such as less than current pressure values, then open-minded
Total flowing water Valve；
(4) if system is in out water state, for the temperature value and the water temperature of user input that are obtained by sensor, control
The result that unit processed is calculated according to (T3-T2)/(T1-T2), the cold water that temperature sensor is obtained and hot water temperature, also
The set water temperature that user is voluntarily input into carries out computing, draws the dutycycle of output PWM.Because output PWM ripples have used single-chip microcomputer
The comparing unit of time manager, so the dutycycle of modification PWM ripples only needs to modify the fiducial value for setting, if
If dutycycle is k, counter total count value is n, then fiducial value is n*k, therefore system operationally can be according to relation above pair
Fiducial value is modified, and water temperature is equal to setting value；
(5) after PWM ripples set, the water of delivery port outflow has equalized to setting value, and now control unit only monitors water outlet
Amount.Control unit is ceaselessly read back pressure value, and current pressure values are constantly compared with user's setting value, if currency
Setting value is reached, then control unit sends signal at once, closed total flowing water Valve；
(6) when occurring overcurrent in circuit, control unit can be pinpointed the problems by sensor, also, if system not
Normal work, the house dog in single-chip microcomputer can be by system reset, and these situations can all control control unit to send alarm signal.Report
Alert unit reference picture 3, under normal circumstances, triode Q2 base stages are low level, are insufficient to allow triode Q2 to turn on；But when it is received
During alarm signal (high level) sent to control section, triode Q2 base voltages are raised so that triode Q2 forward conductions,
Electric current flows to emitter stage from colelctor electrode, and the light emitting diode D2 and buzzer B1 on colelctor electrode start working, and send bright harmony
Sound is alarmed.
Claims (9)
1. a kind of intelligent drinking machine that can adjust temperature and water yield, it is characterised in that including：
Sensor unit, for the temperature information and water yield of water to be converted into electric signal, computing, ratio is carried out for control unit
Compared with and control；
Man-machine interaction unit, exchanges for entering row information with user, including receive information and displays information to user from user；
Control unit, for being controlled to system, by detecting that water temperature and water yield determine the action of next step；
Heating unit, for heating drinking water, is adjusted with will pass through control system to output water temperature；
Alarm unit, for alarming, is alarmed when system breaks down by alarm unit.
2. according to the intelligent drinking machine described in claim 1, it is characterised in that described sensor unit includes：
Pressure sensor, for detecting water dispenser water yield；
Temperature sensor, for detecting cold water temperature and hot water temperature in water dispenser.
3. according to the intelligent drinking machine described in claim 1, it is characterised in that described man-machine interaction unit includes：
Input block, for the information of user input setting；
Display unit, out, the running status of water dispenser is understood so as to extraneous user for by the various presentation of information of water dispenser
And operate on it.
4. according to the intelligent drinking machine described in claim 1, it is characterised in that described control unit includes：
Arithmetic element, when the drinking water of design temperature is produced for calculating, the ratio of hot water and cold water mix in water dispenser；
PWM ripple generation units, for the proportionality coefficient being calculated according to computing unit, produce the square wave of duty ratio corresponding, come
Control addition hot water or cold water；
Comparing unit, water yield and water yield for comparing setting, when water yield reaches setting value, closes water dispenser
Valve, stops water outlet.
5. according to the intelligent drinking machine described in claim 1, it is characterised in that：Described heating unit is made up of heating wire.
6. according to the intelligent drinking machine described in claim 1, it is characterised in that：Described alarm unit includes the pole of crystal three
Pipe, a buzzer, two resistance and a light emitting diode；Wherein, triode Q2 grounded emitters, R7 is connected on triode Q2
Base bleeder, buzzer and light emitting diode parallel connection be followed by the colelctor electrode in triode Q2, R8 be connected on power supply and buzzer and
Between light emitting diode, it is ensured that buzzer and light emitting diode both end voltage are rated value.
7. according to the intelligent drinking machine described in claim 3, it is characterised in that described input block is main by mechanical key structure
Into.
8. according to the intelligent drinking machine described in claim 3, it is characterised in that described real unit is main by liquid crystal display structure
Into.
9. a kind of intelligent drinking machine that can adjust temperature and water yield as described in claim 1~8 any claim
Method of work, it is characterised in that comprise the following steps：
(1) cup is placed on specified location, pressure sensor measures pressure now, used as system initial value；
(2) user is configured by button to leaving water temperature and water yield, and these parameters are displayed on liquid crystal display；
(3) there is the hot water for being heated to very high temperature (about 95 DEG C) already in water dispenser, and temperature is approximately equal to the cold water of room temperature,
Temperature sensor ceaselessly measures the two temperature values, and passes to control unit；
(4) proportionality coefficient when control unit calculates cold water and hot water mixing according to design temperature and cold water, the temperature of hot water；
(5) control unit generates the PWM square waves of duty ratio corresponding according to the proportionality coefficient for calculating；
(6) controlled according to PWM square waves, hot water is released during high level, cold water is released during low level, design temperature is obtained after mixing
Drinking water；
(7) pressure sensor measures the pressure of cup when discharging water, and control unit subtracts initial value with this value, is on duty equal to setting
During value, control unit control water dispenser stops water outlet；
(8) when water dispenser running status is abnormal, or faulty appearance, control unit sends alarm signal, control alarm system
System alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710050433.1A CN106820980A (en) | 2017-01-23 | 2017-01-23 | A kind of intelligent drinking machine that can adjust temperature and water yield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710050433.1A CN106820980A (en) | 2017-01-23 | 2017-01-23 | A kind of intelligent drinking machine that can adjust temperature and water yield |
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| Publication Number | Publication Date |
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| CN106820980A true CN106820980A (en) | 2017-06-13 |
Family
ID=59119699
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| CN201710050433.1A Pending CN106820980A (en) | 2017-01-23 | 2017-01-23 | A kind of intelligent drinking machine that can adjust temperature and water yield |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107136940A (en) * | 2017-07-17 | 2017-09-08 | 合肥左成传媒科技有限公司 | A kind of water dispenser water intaking humidity control system |
| CN109393982A (en) * | 2017-08-15 | 2019-03-01 | 芜湖美的厨卫电器制造有限公司 | Temperature control method of water, device and its equipment |
| CN109410450A (en) * | 2018-09-30 | 2019-03-01 | 爱九九（青岛）科技股份有限公司 | Multimedia shares Intelligent direct drinking machine interactive device and method |
| CN111166170A (en) * | 2020-02-21 | 2020-05-19 | 南京工程学院 | Intelligent water dispenser capable of controlling water quantity and water temperature |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103622554A (en) * | 2013-12-11 | 2014-03-12 | 何杰恩 | Water dispenser with quantitative and constant-temperature water discharging function and control method for water discharging of water dispenser |
| CN204071756U (en) * | 2014-10-24 | 2015-01-07 | 江苏建筑职业技术学院 | The Tea maker of a kind of automatic control water yield, water temperature |
| CN205041214U (en) * | 2015-09-25 | 2016-02-24 | 厦门七智进出口有限公司 | Intelligent water dispenser |
| CN105581652A (en) * | 2014-11-07 | 2016-05-18 | 徐丽天 | Drinking water supply device and system adopting EOS for controlling temperature and flow rate |
| CN105630033A (en) * | 2016-02-29 | 2016-06-01 | 西南大学 | Water temperature control method and control system thereof based on adaptable fuzzy PID |
-
2017
- 2017-01-23 CN CN201710050433.1A patent/CN106820980A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103622554A (en) * | 2013-12-11 | 2014-03-12 | 何杰恩 | Water dispenser with quantitative and constant-temperature water discharging function and control method for water discharging of water dispenser |
| CN204071756U (en) * | 2014-10-24 | 2015-01-07 | 江苏建筑职业技术学院 | The Tea maker of a kind of automatic control water yield, water temperature |
| CN105581652A (en) * | 2014-11-07 | 2016-05-18 | 徐丽天 | Drinking water supply device and system adopting EOS for controlling temperature and flow rate |
| CN205041214U (en) * | 2015-09-25 | 2016-02-24 | 厦门七智进出口有限公司 | Intelligent water dispenser |
| CN105630033A (en) * | 2016-02-29 | 2016-06-01 | 西南大学 | Water temperature control method and control system thereof based on adaptable fuzzy PID |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107136940A (en) * | 2017-07-17 | 2017-09-08 | 合肥左成传媒科技有限公司 | A kind of water dispenser water intaking humidity control system |
| CN109393982A (en) * | 2017-08-15 | 2019-03-01 | 芜湖美的厨卫电器制造有限公司 | Temperature control method of water, device and its equipment |
| CN109410450A (en) * | 2018-09-30 | 2019-03-01 | 爱九九（青岛）科技股份有限公司 | Multimedia shares Intelligent direct drinking machine interactive device and method |
| CN111166170A (en) * | 2020-02-21 | 2020-05-19 | 南京工程学院 | Intelligent water dispenser capable of controlling water quantity and water temperature |
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Application publication date: 20170613 |