WO2012056736A1 - ショーケース制御システム及びプログラム - Google Patents
ショーケース制御システム及びプログラム Download PDFInfo
- Publication number
- WO2012056736A1 WO2012056736A1 PCT/JP2011/054288 JP2011054288W WO2012056736A1 WO 2012056736 A1 WO2012056736 A1 WO 2012056736A1 JP 2011054288 W JP2011054288 W JP 2011054288W WO 2012056736 A1 WO2012056736 A1 WO 2012056736A1
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- WIPO (PCT)
- Prior art keywords
- showcase
- rate
- control
- operating rate
- control system
- Prior art date
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- 238000004378 air conditioning Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000005057 refrigeration Methods 0.000 claims abstract description 8
- 238000007710 freezing Methods 0.000 claims abstract description 5
- 230000008014 freezing Effects 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 11
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
-
- 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
- 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
- F24F11/46—Improving electric energy efficiency or saving
- F24F11/47—Responding to energy costs
-
- 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0482—Details common to both closed and open types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
- F24F2110/22—Humidity of the outside air
Definitions
- the present invention relates to a showcase control system and program for controlling a showcase displaying frozen or refrigerated goods at a supermarket or a convenience store, and more particularly to a showcase control system and program for realizing accurate energy saving by simple calculation.
- the present inventor has proposed an air conditioning control system that calculates a control rate for energy saving in consideration of outside air temperature based on actual power consumption and controls an air conditioner according to the control rate (see Patent Document 1). .)
- the present inventor has researched that the environment of the sales floor where the showcase is installed has a great influence on the energy saving of the showcase, that is, the air conditioner of the sales floor is finely controlled and further energy saving of the showcase is performed.
- the air conditioner of the sales floor is finely controlled and further energy saving of the showcase is performed.
- an object of the present invention is to provide a showcase control system and a program for comprehensively energy-saving control of a showcase and an air conditioner in a sales floor where the showcase is installed.
- the showcase control system of the present invention detects a showcase operating rate that detects the operating rate of showcase control means for controlling the freezing or refrigeration of the inside of the showcase (hereinafter, this operating rate is referred to as “showcase operating rate”).
- a showcase operating rate that detects the operating rate of showcase control means for controlling the freezing or refrigeration of the inside of the showcase
- this operating rate is referred to as “showcase operating rate”.
- Means an over-operation detection means for outputting an over-operation signal when the show-case operation rate input from the show-case operation rate detection means exceeds a predetermined value, and an over-operation signal received from the over-operation detection means
- An air conditioning control system that suppresses energy saving control of the air conditioner is provided.
- the showcase operating rate detection means detects the current flowing through the showcase control means, so that the showcase operating rate can be easily detected.
- the air conditioning control system can quickly reduce the showcase operating rate by stopping the energy saving control of the air conditioner when the over-operation signal is received.
- the air conditioning control system includes an outside air temperature input means for inputting outside air temperature information, and an outside air temperature at the maximum temperature during cooling based on the outside air temperature calculated from the outside air temperature information input by the outside air temperature input means.
- An outside air temperature coefficient calculating means for calculating a ratio of the temperature difference between the current outside air temperature and the room temperature with respect to a temperature difference between the outside air temperature at the lowest temperature and a predetermined room temperature as an outside air temperature coefficient during heating.
- a peak operating rate calculating means for calculating an average operating rate of the air conditioner at the highest temperature during cooling and an average operating rate of the air conditioner at the lowest temperature during heating as a peak operating rate, and calculating the peak operating rate Average operating rate calculating means for multiplying the peak operating rate calculated by the means with the outside air temperature coefficient calculated by the outside air temperature coefficient calculating means to calculate the average operating rate at each time, and the average operating rate
- An average surplus rate calculating means for calculating (1 ⁇ average operating rate) as an average surplus rate with respect to the average surplus rate calculated by the rate calculating means, and an average surplus rate calculated by the average surplus rate calculating means.
- Control rate calculation means for calculating a control rate with a maximum value being a predetermined value, air conditioning control means for energy saving control of the air conditioner by the control rate calculated by the control rate calculation means, and a case for energy saving control of the showcase
- case control rate calculation means for calculating the control rate and case control means for energy-saving control of the showcase by the control rate calculated by the case control rate calculation means
- the peak operating rate calculation means calculates the average operating rate by dividing the actual power usage of the air conditioner by the rated power usage, so that an accurate average operating rate can be calculated easily. it can.
- control rate calculation means since the predetermined value of the control rate calculation means is 0.10 to 0.70, the operating rate of the air conditioner is not extremely lowered, so that the equipment can be protected.
- the present invention is a program for causing a computer to function as the system.
- the present invention it is possible to provide a showcase control system and program for comprehensively energy-saving control of the showcase and the air conditioner in the sales floor where the showcase is installed.
- FIG. 1 is a diagram showing a configuration of a showcase control system according to an embodiment of the present invention.
- FIG. 2 is a diagram showing a partial detailed configuration of a showcase control system according to an embodiment of the present invention.
- FIG. 3 is a diagram illustrating an example of hourly control in January and February.
- FIG. 4 is a diagram illustrating an example of hourly control in March and April.
- FIG. 5 is a diagram illustrating an example of hourly control in May and June.
- FIG. 6 is a diagram illustrating an example of hourly control in July and August.
- FIG. 7 is a diagram illustrating an example of hourly control in September and October.
- FIG. 8 is a diagram illustrating an example of hourly control in November and December.
- FIG. 1 is a diagram showing a configuration of a showcase control system according to an embodiment of the present invention
- FIG. 2 is a diagram showing a partial detailed configuration thereof.
- the showcase control system 100 of the present embodiment includes a showcase operation rate detection unit 11, an overoperation detection unit 12, and an air conditioning control system 20.
- the showcase control unit 30, the thermometer 40, and the air conditioner 50 are described for explaining the showcase control system 100 of the present embodiment. Details of the air conditioning control system 20 are shown in FIG.
- the operating rate of the showcase control unit 30 that controls the temperature at which the display items in the showcase are frozen or refrigerated hereinafter, this operating rate is referred to as “showcase operating rate” is detected.
- the energy saving control of the air conditioner 50 is suppressed or stopped, the temperature of the sales floor where the showcase is installed is lowered, and the showcase operating rate is reduced to a predetermined value or less. It realizes energy saving as a whole. Note that the case where the sales floor rises to an unintended temperature is, for example, a system that cannot detect that the specific enthalpy value (total heat of air) is high without measuring the humidity of the sales floor. It is assumed that the control cannot be detected as being overloaded, or that the air conditioning control cannot follow the sudden increase in visitors.
- the showcase control unit 30 controls the temperature at which the display items in the showcase are frozen or refrigerated. Specifically, it is a refrigerator or a refrigerator, for example, and it is desirable to perform energy saving control.
- the control rate is calculated in advance and programmed based on the average sales floor temperature and specific enthalpy value (total heat of air) such as every month, business hours and non-business hours or day and night. Energy-saving control of the operation of refrigeration or refrigeration is performed for the control rate.
- the showcase operating rate detection unit 11 detects the showcase operating rate of the showcase control unit 30. Specifically, for example, it can be realized by measuring the current flowing through the showcase control unit 30 or measuring the power consumption of the showcase control unit 30.
- the overoperation detection unit 12 compares the showcase operation rate detected by the showcase operation rate detection unit 11 with a predetermined value, and outputs an overoperation signal when the showcase operation rate exceeds a predetermined value.
- the air-conditioning control system 20 suppresses or stops the energy-saving control of the air conditioner 50 when receiving the over-operation signal output from the over-operation detection unit 12.
- the air conditioning control system 20 includes an outside air temperature input unit 21, an outside air temperature coefficient calculator 22, a peak operating rate calculator 23, an average operating rate calculator 24, an average surplus rate calculator 25, a control rate calculator 26, and an air conditioning controller. 27.
- the air conditioning control system 20 calculates a control rate for energy saving control of the air conditioner 50, and performs energy saving control of the air conditioner 50 without excess or deficiency by the control rate.
- the control may be one that stops (turns off) the air conditioner 50 in a predetermined pattern, or one that performs inverter control.
- the outside temperature input unit 21 inputs outside temperature information from a thermometer 40 installed outdoors.
- the outside air temperature coefficient calculation unit 22 calculates the outside air temperature coefficient according to the equation (1).
- T Current outside air temperature
- Tcp Maximum outside air temperature (for example, August 14:00)
- Tr Room temperature (for example, assumed to be constant at 22 ° C.)
- Twp Minimum outside temperature (for example, February 6)
- the peak operating rate calculation unit 23 calculates the peak operating rate according to the equation (2).
- Peak operating rate Actual power consumption / Rated power consumption (2)
- the actual power usage is the actual power usage of the air conditioner 50 at the time of the highest outdoor temperature during cooling and the lowest outdoor temperature during the heating
- the rated power usage is the rated power usage of the air conditioner 50. .
- the average operating rate calculation unit 24 calculates the average operating rate according to the equation (3).
- Average operating rate peak operating rate x outside air temperature coefficient (3)
- the average surplus rate calculation unit 25 calculates the average surplus rate according to Equation (4).
- Average surplus rate 1-Average occupancy rate (4)
- the control rate calculation unit 26 calculates the control rate according to the equation (5).
- the air conditioning control unit 27 performs energy saving control of the air conditioner 50 by the control rate. For example, if the control rate is 0.40, the air conditioner 50 is stopped for 40% in a predetermined pattern, or the air conditioner 50 is inverter-controlled with 60% of the rated power consumption.
- 3 to 8 are diagrams showing examples of control rates for one year. Examples of the current outside air temperature, the temperature difference from room temperature, the outside air temperature coefficient, the average operating rate, the average surplus rate, and the control rate for each time zone of each month are shown. In February and August, the power consumption at the lowest and highest temperatures is 13.5 (KWh) and 14.3 (KWh), respectively. In this embodiment, the rated power consumption is 15 (KWh).
- the present embodiment calculates the control rate for energy saving in consideration of the outside air temperature based on the actual power consumption, accurate energy saving control can be performed with a simple calculation, It is practical and extremely useful.
- the present invention performs energy-saving control of the air conditioner in the sales floor where the showcase is installed, and further controls the air conditioner so that the control of the showcase is not over-operated, thereby Reducing the burden of refrigeration and, in the end, greatly contributes to the overall energy saving of stores including showcases.
- this invention is not limited to the said Example. Since the voltage is considered constant, the power usage can be replaced by the current usage.
- the predetermined value of the control rate calculation unit 26 can sufficiently achieve the purpose even in the range of 0.10 to 0.70.
- the showcase control system of the present invention is also realized by a program for causing a computer to function as the present showcase control system.
- This program may be stored in a computer-readable recording medium.
- the recording medium on which this program is recorded may be the ROM itself of the showcase control system, or a program reading device such as a CD-ROM drive is provided as an external storage device, and the recording medium is inserted therein. It may be a CD-ROM or the like that can be read.
- the recording medium may be a magnetic tape, a cassette tape, a flexible disk, a hard disk, an MO / MD / DVD, or a semiconductor memory.
- Air conditioning control part 20 Air-conditioning control system 21 Outdoor temperature input part 22 Outdoor temperature coefficient calculation part 23 Peak operation rate calculation part 24 Average operation rate calculation part 25 Average surplus rate calculation part 26 Control rate calculation part 27 Air conditioning control part 30 Showcase control part 40 Thermometer 50 Air conditioner 100 Showcase control system
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Abstract
Description
外気温係数=T/Tcp (冷房時)
=(Tr-T)/(Tr-Twp) (暖房時)
(1)
ただし、T :現状外気温
Tcp:最高外気温度(例えば8月14時)
Tr :室温(例えば22℃、一定と想定する)
Twp:最低外気温度(例えば2月6時)
ピーク稼働率=実績電力使用量/定格電力使用量
(2)
ただし、実績電力使用量は、冷房時最高外気温度時及び暖房時最低外気温度時の空調機50の実績電力使用量であり、定格電力使用量は、その空調機50の定格電力使用量である。
平均稼働率=ピーク稼働率×外気温係数
(3)
平均余剰率算出部25は、式(4)に従って平均余剰率を計算する。
平均余剰率=1-平均稼働率
(4)
制御率=平均余剰率 (平均余剰率<0.40の時)
=0.40 (平均余剰率≧0.40の時)
(5)
このように制御率に上限を設けることで、極端に稼働率を下げることがないため、機器を保護することができる。
電圧は一定と考えられるので、上記電力使用量は電流使用量で代えることができる。
制御率算出部26の所定値は、0.10から0.70の範囲でも十分に目的を達成できる。
このプログラムを記録した記録媒体は、ショーケース制御システムのROMそのものであってもよいし、また、外部記憶装置としてCD-ROMドライブ等のプログラム読取装置が設けられ、そこに記録媒体を挿入することで読み取り可能なCD-ROM等であってもよい。
また、上記記録媒体は、磁気テープ、カセットテープ、フレキシブルディスク、ハードディスク、MO/MD/DVD等、又は半導体メモリであってもよい。
明細書、特許請求の範囲及び図面を含む2010年10月27日に出願の国際特許出願PCT/JP2010/069100の開示は、そのまま参考として、ここにとり入れるものとする。
21 外気温度入力部
22 外気温係数算出部
23 ピーク稼働率算出部
24 平均稼働率算出部
25 平均余剰率算出部
26 制御率算出部
27 空調制御部
30 ショーケース制御部
40 温度計
50 空調機
100 ショーケース制御システム
Claims (7)
- ショーケース内を冷凍又は冷蔵制御するショーケース制御手段の稼働率(以下、この稼働率を「ショーケース稼働率」と言う。)を検出するショーケース稼働率検出手段と、
該ショーケース稼働率検出手段から入力されるショーケース稼働率が所定値を超えると過稼働信号を出力する過稼働検出手段と、
該過稼働検出手段から過稼働信号を受信した場合に空調機の省エネ制御を抑制する空調制御システムと
を備えることを特徴とするショーケース制御システム。 - 前記ショーケース稼働率検出手段は、前記ショーケース制御手段に流れる電流を検出するものであることを特徴とする請求項1記載のショーケース制御システム。
- 前記空調制御システムは、前記過稼働信号を受信した場合に空調機の省エネ制御を停止することを特徴とする請求項1又は2記載のショーケース制御システム。
- 前記空調制御システムは、
外気温度情報を入力する外気温度入力手段と、
該外気温度入力手段によって入力された外気温度情報から算出された外気温度に基づいて、冷房時には最高温度時の外気温に対する現状外気温の比率を、暖房時には最低温度時の外気温と所定の室温との温度差に対する現状外気温と前記室温との温度差の比率を外気温係数として算出する外気温係数算出手段と、
冷房時の前記最高温度時の空調機の平均稼働率、及び暖房時の前記最低温度時の空調機の平均稼働率をピーク稼働率として算出するピーク稼働率算出手段と、
該ピーク稼働率算出手段によって算出されたピーク稼働率に前記外気温係数算出手段によって算出された外気温係数を乗算して各時の平均稼働率を算出する平均稼働率算出手段と、
該平均稼働率算出手段によって算出された平均稼働率に対して(1-平均稼働率)を平均余剰率として算出する平均余剰率算出手段と、
該平均余剰率算出手段によって算出された平均余剰率に対して最大値が所定値である制御率を算出する制御率算出手段と、
該制御率算出手段によって算出された制御率の分だけ空調機を省エネ制御する空調制御手段と、
ショーケースを省エネ制御するケース制御率を算出するケース制御率算出手段と、
該ケース制御率算出手段によって算出された制御率の分だけショーケースを省エネ制御するケース制御手段と
を備えることを特徴とする請求項1乃至3いずれかに記載のショーケース制御システム。 - 前記ピーク稼働率算出手段は、空調機の実績電力使用量を定格電力使用量で除算して平均稼働率を算出するものであることを特徴とする請求項4記載のショーケース制御システム。
- 前記制御率算出手段の所定値は、0.10から0.70であることを特徴とする請求項4又は5記載のショーケース制御システム。
- コンピュータを、
ショーケース内を冷凍又は冷蔵制御するショーケース制御手段のショーケース稼働率を検出するショーケース稼働率検出手段と、該ショーケース稼働率検出手段から入力されるショーケース稼働率が所定値を超えると過稼働信号を出力する過稼働検出手段と、該過稼働検出手段から過稼働信号を受信した場合に空調機の省エネ制御を抑制する空調制御システムとを備えることを特徴とするショーケース制御システム
として機能させるためのプログラム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11835880.3A EP2634499B1 (en) | 2010-10-27 | 2011-02-25 | Display case control system and program |
US13/823,588 US9639096B2 (en) | 2010-10-27 | 2011-02-25 | Controlling the operational rate of the freezing or refrigeration unit in a showcase |
CN201180028725.6A CN102933912B (zh) | 2010-10-27 | 2011-02-25 | 陈列柜控制系统 |
JP2011524075A JP4822303B1 (ja) | 2010-10-27 | 2011-02-25 | ショーケース制御システム及びプログラム |
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JPPCT/JP2010/069100 | 2010-10-27 | ||
PCT/JP2010/069100 WO2012056533A1 (ja) | 2010-10-27 | 2010-10-27 | 空調制御システム及びプログラム |
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PCT/JP2011/054288 WO2012056736A1 (ja) | 2010-10-27 | 2011-02-25 | ショーケース制御システム及びプログラム |
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US (2) | US9256229B2 (ja) |
EP (2) | EP2634498B1 (ja) |
JP (1) | JP4688185B1 (ja) |
CN (2) | CN102959338B (ja) |
WO (2) | WO2012056533A1 (ja) |
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Also Published As
Publication number | Publication date |
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EP2634498A1 (en) | 2013-09-04 |
WO2012056533A1 (ja) | 2012-05-03 |
EP2634499A1 (en) | 2013-09-04 |
US9639096B2 (en) | 2017-05-02 |
US9256229B2 (en) | 2016-02-09 |
US20130178988A1 (en) | 2013-07-11 |
EP2634499A4 (en) | 2014-01-08 |
EP2634498B1 (en) | 2017-07-05 |
CN102933912B (zh) | 2016-01-20 |
EP2634498A4 (en) | 2014-08-20 |
CN102933912A (zh) | 2013-02-13 |
CN102959338A (zh) | 2013-03-06 |
CN102959338B (zh) | 2016-02-10 |
EP2634499B1 (en) | 2015-07-01 |
US20130173068A1 (en) | 2013-07-04 |
JPWO2012056533A1 (ja) | 2014-03-20 |
JP4688185B1 (ja) | 2011-05-25 |
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