CN105972751A - Air conditioner and display panel brightness control method thereof - Google Patents
Air conditioner and display panel brightness control method thereof Download PDFInfo
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- CN105972751A CN105972751A CN201610281237.0A CN201610281237A CN105972751A CN 105972751 A CN105972751 A CN 105972751A CN 201610281237 A CN201610281237 A CN 201610281237A CN 105972751 A CN105972751 A CN 105972751A
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- display panel
- brightness
- conditioner
- air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
- G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/66—Sleep mode
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to the technical field of power supply control, and provides an air conditioner and a display panel brightness control method thereof. The display panel brightness control method comprises the following steps of when the air conditioner is on, controlling the brightness of a display panel of the air conditioner to be preset brightness; and detecting current indoor brightness, judging whether the current indoor brightness is lower than a brightness threshold value or not, if yes, controlling the brightness of the display panel to gradually reduce until the display panel is off, and if not, controlling the brightness of the display panel to stay in the preset brightness. According to the display panel brightness control method disclosed by the invention, the brightness of the display panel is controlled to gradually reduce, so that a user can determine that the air conditioner operates a preset control mode, and the using experience of the user is improved.
Description
Technical field
The invention belongs to air conditioner controlling technology field, particularly relate to air-conditioner and display panel brilliance control side thereof
Method.
Background technology
Air-conditioning is when start runs, and display panel plays the work of prompting air-conditioning preset temperature and air-conditioning work state
With, when air-conditioner enters some default control pattern, need to close display panel, the design of existing air-conditioner
Existing being disadvantageous in that, when display panel extinguishes, user cannot judge to be because to occur showing fault,
Also be because performing default control pattern, in sum, prior art exist when display panel extinguishes user without
Method judges to break down the problem being also carried out default control pattern.
Summary of the invention
It is an object of the invention to provide air-conditioner and display panel brightness control method thereof, it is intended to solve existing skill
Art exists user when display panel extinguishes cannot judge the problem being also carried out default control pattern that breaks down.
The present invention is achieved in that the display panel brightness control method of a kind of air-conditioner, and described display panel is bright
Degree control method comprises the following steps:
A., when air-conditioner is started shooting, the brightness of the display panel controlling air-conditioner is predetermined luminance；
B. detection current indoor brightness, and judge that current indoor brightness, whether less than luminance threshold, is, then
Perform step C, no, then perform step D；
C. the brightness controlling described display panel is gradually lowered until described display panel extinguishes；
D. the brightness controlling described display panel keeps described predetermined luminance.
Present invention also offers a kind of air-conditioner, described air-conditioner includes control module, detection module and shows
Show plate；
Described control module is bright for presetting for the brightness controlling the display panel of air-conditioner when air-conditioner is started shooting
Degree；
Described detection module is used for detecting current indoor brightness, and described current indoor brightness is sent to described
Control module；
Described control module is additionally operable to judge whether described current indoor brightness is less than luminance threshold, when judging knot
When fruit is for being, the brightness controlling described display panel is the most dimmed until described display panel extinguishes, and works as judged result
For time no, the brightness controlling described display panel keeps described predetermined luminance.
The present invention provides air-conditioner and display panel brightness control method thereof, when air-conditioner is started shooting, controls air-conditioning
The brightness of the display panel of device is predetermined luminance, detects current indoor brightness, and judges that current indoor brightness is less than
During luminance threshold, the brightness controlling display panel is gradually lowered until display panel extinguishes, by controlling display panel
Brightness tapers into, and air-conditioner is carrying out default control pattern to make user can be determined that, improves user's
Experience.
Accompanying drawing explanation
Fig. 1 is the flow chart of the display panel brightness control method of the air-conditioner that an embodiment of the present invention provides；
Fig. 2 is the display panel brightness regulation schematic diagram of the air-conditioner that an embodiment of the present invention provides；
Fig. 3 is the flow process of the display panel brightness control method of the air-conditioner that another kind embodiment of the present invention provides
Figure；
Fig. 4 is the flow process of the display panel brightness control method of the air-conditioner that another kind embodiment of the present invention provides
Figure；
Fig. 5 is the structural representation of the air-conditioner that another kind embodiment of the present invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
Fig. 1 shows the flow process of the display panel brightness control method of a kind of air-conditioner that the embodiment of the present invention provides
Figure, for convenience of description, illustrate only the part relevant to the embodiment of the present invention, and details are as follows:
Display panel brightness control method comprises the following steps:
Step S101. is when air-conditioner is started shooting, and the brightness of the display panel controlling air-conditioner is predetermined luminance.
In step S101, concrete, when air-conditioner is started shooting, the Pulse Width Control of dutycycle is preset in output
Signal, to the charactron in display panel, controls the turn-on and turn-off of charactron, it is achieved the brightness of display panel is pre-
If brightness.
The detection current indoor brightness of step S102., and judge whether current indoor brightness is less than luminance threshold,
It is then to perform step S103, no, then perform step S104.
In step s 102, concrete, light-sensitive element can be used to carry out AD sampling and to work as cup to obtain
Interior brightness, and contrast with pre-set luminance threshold, this luminance threshold is that air-conditioner enters easypro sleeping
When threshold value during pattern, i.e. current indoor brightness are less than luminance threshold, air-conditioner enters to relax sleeps pattern and performs
Step S103, otherwise, performs step S104.
Step S103. controls the brightness of display panel and is gradually lowered until display panel extinguishes.
In step s 103, concrete, the pulse control signal that output duty cycle is gradually reduced is to display panel.
Wherein, the principle by the brightness flop of regulation Duty ratio control display panel is as follows: due to digital-scroll technique
The MCU output controlled is switching value, can only control charactron turn-on and turn-off, it is impossible to regulation charactron
Voltage.But the method by regulating dutycycle can be used, regulate charactron ON time, to realize
The regulation of logarithmic code pipe brightness.Dutycycle refer in a make and break period charactron ON time and conducting and
The ratio of turn-off time sum.It is that the persistence of vision utilizing human eye is imitated by regulation duty cycle adjustment charactron brightness
Should, after visual persistence effect refers to that the image seen when human eye disappears, human eye remains to continue to retain its image
Image about the 0.1-0.5 second.When charactron turn-on and turn-off quickly the most alternately time, human eye can't see, number
The process that code spot goes out, (change accounts in the ratio shared by turn-on and turn-off total time to change ON time therebetween
Empty ratio), human eye vision effect is equivalent to change the brightness of data pipe, and dutycycle increases, then visual effect
Be equivalent to charactron brightness increase；Dutycycle reduces, then visual effect is equivalent to charactron brightness reduction.
Step S104. controls the brightness of display panel and keeps predetermined luminance.
In step S104, concrete, now, controller does not enters into relax sleeps pattern, controls display panel
Remain in that original brightness.
The work process of the present invention is further described below by specific embodiment: as in figure 2 it is shown, the present invention
The unit of time that in embodiment, the charactron minimum conducting of display panel turns off is 125 μ s, display brightness grade
Unit of time is 5ms, and the brightness degree i.e. shown is 40, will be divided into 40 deciles the 5ms time, i.e.
Every a time 125 μ s, when ON time is 125 μ s, brightness degree is 1, and ON time is 250
During μ s, brightness degree is 2, and the rest may be inferred, and when 5ms all turns on, brightness degree is the highest 40 grades.
When the threshold condition of the AD value satisfied entrance brightness gradual-change mode of the light-sensitive element sampling of air-conditioner is the least
When luminance threshold, entering brightness gradual-change mode, the pattern of gradual change continues 5 seconds altogether, in progressive formation,
Brightness degree 500ms changes once, as a example by entering the 16 grades of brightness of the 4th second of brightness gradual-change mode, to 16
The conducting of the brightness charactron of level turns off situation and enters explanation, charactron first conduit 2ms, then judges
3ms, so repeats 100 times, by changing the conduction mode that dutycycle tapers into, makes user observe
The brightness of display panel is the most dimmed.
The display panel brightness control method of a kind of air-conditioner that another kind embodiment of the present invention provides, such as Fig. 3 institute
Showing, display panel brightness control method comprises the following steps:
Step S201. is when air-conditioner is started shooting, and the brightness of the display panel controlling air-conditioner is predetermined luminance.
The detection current indoor brightness of step S202., and judge whether current indoor brightness is less than luminance threshold,
It is then to perform step S203, no, then perform step S204.
Step S203. controls the brightness of display panel and is gradually lowered until display panel extinguishes.
Step S204. controls the brightness of display panel and keeps predetermined luminance.
Owing to step S201 to step S204 is identical to step S104 with above-mentioned steps S101, therefore at this not
Repeat again.
After step S203 further comprising the steps of:
The detection current indoor brightness of step S205., and judge that whether current indoor brightness is more than or equal to brightness
Threshold value, is then to perform step S206, no, then perform step S207.
In step S205, concrete, when in air-conditioner light-sensitive element sample present intensity more than or
During equal to luminance threshold, air-conditioner stops relaxing and sleeps pattern, now, controls display panel and brightens.
It is predetermined luminance that step S206. controls the brightness of display panel.
In step S206, concrete, output presets the pulse control signal of dutycycle in display panel
Charactron, controls the turn-on and turn-off of charactron, it is achieved the brightness of display panel is predetermined luminance.
Step S207. controls display panel and keeps OFF state.
In step S207, concrete, now, air-conditioner is still within relaxing and sleeps pattern, controls display panel
Keep OFF state.
The display panel brightness control method of a kind of air-conditioner that another kind embodiment of the present invention provides, such as Fig. 4 institute
Showing, display panel brightness control method comprises the following steps:
Step S301. is when air-conditioner is started shooting, and the brightness of the display panel controlling air-conditioner is predetermined luminance.
The detection current indoor brightness of step S302., and judge whether current indoor brightness is less than luminance threshold,
It is then to perform step S303, no, then perform step S304.
Step S303. controls the brightness of display panel and is gradually lowered until display panel extinguishes.
Step S304. controls the brightness of display panel and keeps predetermined luminance.
Owing to step S301 to step S304 is identical to step S104 with above-mentioned steps S101, therefore at this not
Repeat again.
After step S303 further comprising the steps of:
The detection current indoor brightness of step S305., and judge that whether current indoor brightness is more than or equal to luminance threshold
Value, is then to perform step S306, no, then perform step S307.
In step S305, concrete, when in air-conditioner light-sensitive element sample present intensity more than or
During equal to luminance threshold, air-conditioner stops relaxing and sleeps pattern, now, controls display panel and brightens.
Step S306. controls the brightness of display panel and gradually brightens until reaching predetermined luminance.
In step S306, concrete, the pulse control signal that output duty cycle is gradually increased is to display panel.
Step S307. controls display panel and keeps OFF state.
In step S207, concrete, now, air-conditioner is still within relaxing and sleeps pattern, controls display panel
Keep OFF state.
Another kind embodiment of the present invention provides a kind of air-conditioner, as it is shown in figure 5, air-conditioner includes control module
401, detection module 402 and display panel 403；
Control module 401 is default for controlling the brightness of the display panel 403 of air-conditioner when air-conditioner is started shooting
Brightness；
Detection module 402 is used for detecting current indoor brightness, and current indoor brightness is sent to control module
401；
Control module 401 is additionally operable to judge whether current indoor brightness is less than luminance threshold, when judged result is
When being, the brightness controlling display panel 403 is the most dimmed until display panel 403 extinguishes, when judged result is no
Time, the brightness controlling display panel 403 keeps predetermined luminance.
For detection module 402, concrete, light-sensitive element can be used to carry out AD sampling current to obtain
Room brilliancy.
For control module 401, when air-conditioner is started shooting, output is preset the pulse control signal of dutycycle and is given
Charactron in display panel 403, controls the turn-on and turn-off of charactron, it is achieved the brightness of display panel 403 is
Predetermined luminance；And the current indoor brightness received is contrasted with pre-set luminance threshold, should
Luminance threshold is air-conditioner when entering the threshold value relaxed when sleeping pattern, i.e. current indoor brightness less than luminance threshold,
Air-conditioner enters to relax sleeps pattern, and the brightness controlling display panel 403 is gradually lowered until display panel extinguishes.
Concrete, the pulse control signal that control module output duty cycle is gradually reduced is to display panel.
Wherein, the principle by the brightness flop of regulation Duty ratio control display panel is as follows: due to digital-scroll technique
The MCU output controlled is switching value, can only control charactron turn-on and turn-off, it is impossible to regulation charactron
Voltage.But the method by regulating dutycycle can be used, regulate charactron ON time, to realize
The regulation of logarithmic code pipe brightness.Dutycycle refer in a make and break period charactron ON time and conducting and
The ratio of turn-off time sum.It is that the persistence of vision utilizing human eye is imitated by regulation duty cycle adjustment charactron brightness
Should, after visual persistence effect refers to that the image seen when human eye disappears, human eye remains to continue to retain its image
Image about the 0.1-0.5 second.When charactron turn-on and turn-off quickly the most alternately time, human eye can't see, number
The process that code spot goes out, (change accounts in the ratio shared by turn-on and turn-off total time to change ON time therebetween
Empty ratio), human eye vision effect is equivalent to change the brightness of data pipe, and dutycycle increases, then visual effect
Be equivalent to charactron brightness increase；Dutycycle reduces, then visual effect is equivalent to charactron brightness reduction.
Further, after display panel extinguishes, as a kind of embodiment, control module 401 is additionally operable to work as
Detect current indoor brightness when display panel 403 extinguishes, and judge that whether current indoor brightness is more than or equal to bright
Degree threshold value, when judged result is for being, then the brightness controlling display panel 403 is predetermined luminance, when judging knot
When fruit is no, controls display panel 403 and keep OFF state.
Further, after display panel extinguishes, as another embodiment, control module 401 is additionally operable to
Detect current indoor brightness when display panel 403 extinguishes, and judge whether current indoor brightness is more than or equal to
Luminance threshold, when judged result is for being, the brightness controlling display panel 403 gradually brightens until reaching default
Brightness；When judged result is no, controls display panel 403 and keep OFF state.
Wherein, control module 401 controls the brightness of display panel 403 and gradually brightens until reaching predetermined luminance
Process particularly as follows:
The pulse control signal that output duty cycle is gradually increased is to display panel 403.
The present invention provides air-conditioner and display panel brightness control method thereof, when air-conditioner is started shooting, controls air-conditioning
The brightness of the display panel of device is predetermined luminance, detects current indoor brightness, and judges that current indoor brightness is less than
During luminance threshold, the brightness controlling display panel is gradually lowered until display panel extinguishes, by controlling display panel
Brightness tapers into, and air-conditioner is carrying out default control pattern to make user can be determined that, improves user's
Experience.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (10)
1. the display panel brightness control method of an air-conditioner, it is characterised in that described display panel brightness control
Method processed comprises the following steps:
A., when air-conditioner is started shooting, the brightness of the display panel controlling air-conditioner is predetermined luminance；
B. detection current indoor brightness, and judge that current indoor brightness, whether less than luminance threshold, is, then
Perform step C, no, then perform step D；
C. the brightness controlling described display panel is gradually lowered until described display panel extinguishes；
D. the brightness controlling described display panel keeps described predetermined luminance.
2. display panel brightness control method as claimed in claim 1, it is characterised in that described step C
Particularly as follows:
The pulse control signal that output duty cycle is gradually reduced gives described display panel.
3. display panel brightness control method as claimed in claim 1, it is characterised in that described step C
The most further comprising the steps of:
E. detection current indoor brightness, and judge that whether current indoor brightness is more than or equal to described luminance threshold
Value, is then to perform step F, no, then perform step G；
F. the brightness controlling described display panel is predetermined luminance；
G. control described display panel and keep OFF state.
4. display panel brightness control method as claimed in claim 1, it is characterised in that described step C
The most further comprising the steps of:
H. detection current indoor brightness, and judge whether current indoor brightness is more than or equal to described luminance threshold,
It is then to perform step I, no, then perform step J；
I. the brightness controlling described display panel gradually brightens until reaching described predetermined luminance；
J. control described display panel and keep OFF state.
5. display panel brightness control method as claimed in claim 4, it is characterised in that described step I
Particularly as follows:
The pulse control signal that output duty cycle is gradually increased gives described display panel.
6. an air-conditioner, it is characterised in that described air-conditioner include control module, detection module and
Display panel；
Described control module is bright for presetting for the brightness controlling the display panel of air-conditioner when air-conditioner is started shooting
Degree；
Described detection module is used for detecting current indoor brightness, and described current indoor brightness is sent to described
Control module；
Described control module is additionally operable to judge whether described current indoor brightness is less than luminance threshold, when judging knot
When fruit is for being, the brightness controlling described display panel is the most dimmed until described display panel extinguishes, and works as judged result
For time no, the brightness controlling described display panel keeps described predetermined luminance.
7. air-conditioner as claimed in claim 6, it is characterised in that described control module controls described aobvious
The brightness showing plate the most dimmed until the process extinguished particularly as follows:
The pulse control signal that output duty cycle is gradually reduced gives described display panel.
8. air-conditioner as claimed in claim 6, it is characterised in that described control module is additionally operable to work as institute
State detection current indoor brightness when display panel extinguishes, and judge whether described current indoor brightness is more than or equal to
Described luminance threshold, when judged result is for being, then the brightness controlling described display panel is predetermined luminance, when
When judged result is no, controls described display panel and keep OFF state.
9. controller as claimed in claim 6, it is characterised in that described control module is additionally operable to work as institute
State detection current indoor brightness when display panel extinguishes, and judge whether described current indoor brightness is more than or equal to
Described luminance threshold, when judged result is for being, the brightness controlling described display panel gradually brightens until reaching
Described predetermined luminance；When judged result is no, controls described display panel and keep OFF state.
10. air-conditioner as claimed in claim 9, it is characterised in that described control module controls described aobvious
The brightness showing plate gradually brighten until reach described predetermined luminance process particularly as follows:
The pulse control signal that output duty cycle is gradually increased gives described display panel.
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| CN201610281237.0A CN105972751B (en) | 2016-04-29 | 2016-04-29 | Air conditioner and its display board brightness control method |
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| CN201610281237.0A CN105972751B (en) | 2016-04-29 | 2016-04-29 | Air conditioner and its display board brightness control method |
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| CN110534055A (en) * | 2019-08-29 | 2019-12-03 | 广东美的制冷设备有限公司 | Display panel of air-conditioner and air conditioner |
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| CN106958924A (en) * | 2017-04-28 | 2017-07-18 | 青岛海尔空调器有限总公司 | Air-conditioner and its threshold adjustment methods |
| CN107192088A (en) * | 2017-04-28 | 2017-09-22 | 青岛海尔空调器有限总公司 | Air conditioner and its threshold adjustment methods |
| CN107192086A (en) * | 2017-04-28 | 2017-09-22 | 青岛海尔空调器有限总公司 | Air conditioner and its threshold adjustment methods |
| CN107192088B (en) * | 2017-04-28 | 2019-12-31 | 青岛海尔空调器有限总公司 | Air conditioner and threshold value adjusting method thereof |
| CN107192086B (en) * | 2017-04-28 | 2020-04-24 | 青岛海尔空调器有限总公司 | Air conditioner and threshold value adjusting method thereof |
| CN106958924B (en) * | 2017-04-28 | 2020-12-29 | 青岛海尔空调器有限总公司 | Air conditioner and threshold value adjusting method thereof |
| CN108492795A (en) * | 2018-02-23 | 2018-09-04 | 珠海格力电器股份有限公司 | The method and apparatus for adjusting air-conditioning display brightness |
| CN110534055A (en) * | 2019-08-29 | 2019-12-03 | 广东美的制冷设备有限公司 | Display panel of air-conditioner and air conditioner |
| CN110534055B (en) * | 2019-08-29 | 2021-09-14 | 广东美的制冷设备有限公司 | Air conditioner display panel and air conditioner |
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