CN109764602B - Control method of refrigerator - Google Patents
Control method of refrigerator Download PDFInfo
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- CN109764602B CN109764602B CN201811622715.5A CN201811622715A CN109764602B CN 109764602 B CN109764602 B CN 109764602B CN 201811622715 A CN201811622715 A CN 201811622715A CN 109764602 B CN109764602 B CN 109764602B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000007710 freezing Methods 0.000 claims abstract description 64
- 230000008014 freezing Effects 0.000 claims abstract description 64
- 238000001816 cooling Methods 0.000 claims description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention provides a refrigerator and a control method thereof. The refrigerator comprises a refrigerator body, a plurality of chambers arranged in the refrigerator body, a refrigerating system used for providing cold energy of the chambers and a control mechanism electrically connected with the refrigerating system, the compartment comprises a refrigerating chamber, a freezing chamber and a temperature-changing chamber which are arranged adjacently, the refrigerator also comprises an air supply channel for supplying cold to the freezing chamber through a refrigerating system, an air return channel for returning air, a temperature sensing element for sensing the temperature in the compartment, a first fan arranged on the freezing chamber and a second fan arranged on one of the refrigerating chamber and the temperature-changing chamber, the freezing chamber is communicated with the temperature-changing chamber through a first air door to supply cold to the temperature-changing chamber, the freezing chamber and the temperature-changing chamber are respectively communicated with the refrigerating chamber through a second air door and a third air door to supply cold to the refrigerating chamber, the first fan, the second fan, the temperature sensing element, the first air door, the second air door and the third air door are respectively connected with the control mechanism. By the arrangement, the air circulation time of the variable temperature chamber can be prolonged, and frosting is avoided.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a control method of a refrigerator.
Background
The temperature range of the temperature-variable chamber of the T-shaped door refrigerator with the temperature-variable chamber commonly used at present is minus 5 to minus 18 ℃. The upper part of the refrigerator is a refrigerating chamber, and two compartments at the lower part of the refrigerator are a freezing chamber and a temperature-changing chamber respectively. When the set temperature of the temperature varying chamber is higher and the ambient temperature is lower, the set temperature can be reached within a short blowing time due to the heat conduction effect of the freezing chamber, the temperature varying chamber is equivalent to a direct cooling refrigerator, and outside hot air leaks to the temperature varying chamber through the door seal and then naturally convects to the top of the liner to form frost. In the conventional refrigerator with the temperature-changing chamber, when the temperature-changing chamber is set to have a higher temperature, in order to inhibit the influence of the freezing chamber on the heat conduction of the temperature-changing chamber, heating wires are generally attached to the interior of the chamber, and because the efficiency of the electric heating wires is lower, the energy is greatly wasted, and in addition, because of natural convection of hot air, the temperature in the temperature-changing chamber is not uniformly distributed.
Therefore, there is a need to provide an improved control method of a refrigerator to solve the above problems.
Disclosure of Invention
The invention aims to provide a control method of a refrigerator capable of avoiding frosting.
In order to achieve the purpose, the invention provides a control method of a refrigerator, the refrigerator comprises a box body, a plurality of compartments arranged in the box body, a refrigerating system used for providing compartment cold energy and a control mechanism electrically connected with the refrigerating system, each compartment comprises a refrigerating chamber, a freezing chamber and a temperature-changing chamber which are arranged adjacently, and the control method is characterized in that the refrigerator further comprises an air supply channel used for supplying cold to the freezing chamber through the refrigerating system, an air return channel used for returning air, a temperature sensing element used for sensing the temperature in the compartments, a first fan arranged in the freezing chamber and a second fan arranged in one of the refrigerating chamber and the temperature-changing chamber, the freezing chamber is communicated with the temperature-changing chamber through a first air door to supply cold to the temperature-changing chamber, the freezing chamber and the temperature-changing chamber are communicated with the refrigerating chamber through a second air door and a third air door respectively to supply cold to the refrigerating chamber, and the, The second fan, the temperature sensing element, the first air door, the second air door and the third air door are respectively connected with the control mechanism, and the control method comprises the following steps:
s1, starting a refrigerating system to provide cold for the freezing chamber;
s2, starting a first fan of the freezing chamber to provide cold energy for the temperature-variable chamber, wherein the temperature-variable chamber can be set as a first temperature zone or a second temperature zone, and the temperature of the first temperature zone is lower than that of the second temperature zone;
s3, setting the temperature T of the refrigerating chamber,
s4, when the temperature-changing chamber is set at the first temperature zone, the control mechanism controls to open the second air door, and air is blown from the freezing chamber to the refrigerating chamber to cool;
s5, acquiring real-time temperature X of the refrigerating chamber through the temperature sensing element, and controlling to close the second air door by the control mechanism when the real-time temperature X of the refrigerating chamber reaches a set temperature T;
s6, when the temperature-changing chamber is set to be at the second temperature zone, the control mechanism controls to open the third air door and the second fan, and air is blown from the temperature-changing chamber to the refrigerating chamber for cooling;
s7, after a certain time T, obtaining the real-time temperature X of the refrigerating chamber through the temperature sensing element, and when the real-time temperature X of the refrigerating chamber reaches the set temperature T, controlling the third air door to be closed by the control mechanism; when the real-time temperature X of the refrigerating chamber does not reach the set temperature T, the control mechanism controls to close the third air door and open the second air door, air is blown from the freezing chamber to the refrigerating chamber for cooling, and when the real-time temperature X of the refrigerating chamber reaches the set temperature T, the control mechanism controls to close the second air door.
As a further improvement of the invention, the refrigerator also comprises an air outlet for communicating the compartment with the air supply channel and an air return inlet for communicating the compartment with the air return channel, wherein the air outlet is arranged at the upper part of the compartment, and the air return inlet is arranged at the bottom of the compartment.
As a further improvement of the invention, the refrigerator also comprises a control door for controlling the on-off of the air supply channel and the air return channel, and the air return channel comprises a refrigerating air return channel, a variable temperature air return channel and a freezing air return channel which are respectively communicated to the refrigerating system from the refrigerating chamber, the variable temperature chamber and the freezing chamber.
As a further improvement of the invention, the temperature-changing chamber and the freezing chamber are arranged on the left and right, and the refrigerating chamber is correspondingly arranged above the temperature-changing chamber and the freezing chamber.
As a further improvement of the invention, the second fan is arranged at the upper part of the refrigerating chamber.
As a further improvement of the present invention, the first and second dampers are disposed at the rear of the corresponding freezing and temperature-changing chambers, and the third damper is disposed at the front of the temperature-changing and refrigerating chambers.
As a further improvement of the invention, the first fan is arranged close to the first damper.
As a further improvement of the invention, the refrigerating system comprises a compressor and an evaporator which is connected with the compressor to provide cold for the freezing chamber, and the evaporator is attached to the back of the freezing chamber and the temperature-changing chamber.
The invention has the beneficial effects that: the refrigerating chamber is used for refrigerating through the refrigerating system, the refrigerating system does not directly refrigerate the refrigerating chamber and the temperature-changing chamber, but refrigerates the temperature-changing chamber through the refrigerating capacity of the refrigerating chamber, and refrigerates the refrigerating chamber through the refrigerating capacity of the refrigerating chamber and the temperature-changing chamber, so that the air circulation time of the temperature-changing chamber is prolonged, and the phenomenon that due to the fact that the temperature-changing chamber and the refrigerating chamber are arranged adjacently, external hot air leaks to the temperature-changing chamber through a door seal and then naturally convects to the top of the container to form frost ice is avoided. On one hand, the refrigeration of the refrigerating chamber can ensure the freshness preservation of food stored in the refrigerating chamber while reducing the temperature, and the energy consumption can be saved; on the other hand, the hot air in the refrigerating chamber can also compensate and heat the temperature-changing chamber, so that the temperature in the temperature-changing chamber can be relatively uniform while the temperature of the temperature-changing chamber is increased.
Drawings
Fig. 1 is a schematic front view of a freezing chamber of a refrigerator for supplying cold to a temperature-changing chamber according to the present invention.
Fig. 2 is a schematic front view of a freezer compartment of the refrigerator for cooling a refrigerator compartment of the present invention.
Fig. 3 is a side view of the freezer compartment of the refrigerator for providing cold to the fresh food compartment of the present invention.
Fig. 4 is a flowchart of a control method of a refrigerator of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to an embodiment shown in the drawings. These embodiments are not intended to limit the present invention, and structural and functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
Referring to fig. 1 to 4, a refrigerator 100 according to the present invention includes a refrigerator body 1, a plurality of compartments disposed in the refrigerator body 1, a refrigeration system for providing compartment cooling capacity, and a control mechanism electrically connected to the refrigeration system, wherein the compartments include a refrigerating compartment 2, and a freezing compartment 3 and a temperature-changing compartment 4 disposed adjacent to each other. The refrigerator also comprises an air supply channel 5 for supplying cold to the freezing chamber 3 through a refrigerating system, an air return channel 6 for returning air, a temperature sensing element for sensing the indoor temperature of the chamber, a first fan 31 arranged on the freezing chamber 3 and a second fan 21 arranged on one of the refrigerating chamber 2 and the temperature-changing chamber 4. Freezer 3 communicates with temperature-changing room 4 through first air door 71 in order to supply cold to temperature-changing room 4, freezer 3 and temperature-changing room 4 communicate with walk-in 2 through second air door 72 and third air door 73 respectively in order to supply cold to walk-in 2, first fan 31, second fan 21, temperature sensing element, first air door 71, second air door 72 and third air door 73 are connected with control mechanism respectively.
In the invention, the freezing chamber 3 is refrigerated through a refrigerating system, the refrigerating system does not directly refrigerate the refrigerating chamber 2 and the temperature-changing chamber 4, but refrigerates the temperature-changing chamber 4 through the cold energy of the freezing chamber 3, and refrigerates the refrigerating chamber 2 through the cold energy of the freezing chamber 3 and the temperature-changing chamber 4, so that the air circulation time of the temperature-changing chamber 4 is increased, and the phenomenon that the external hot air naturally convects to the top of the liner to form frost after leaking to the temperature-changing chamber 4 through a door seal because the temperature-changing chamber 4 and the freezing chamber 3 are arranged adjacently is avoided. On one hand, the refrigeration mode of the refrigerating chamber 2 can ensure the freshness of food stored in the refrigerating chamber while reducing the temperature, and can save energy consumption; on the other hand, the warm air in the refrigerating room 2 can also compensate and heat the temperature-varying room 4, so that the temperature in the temperature-varying room 4 can be relatively uniform while the temperature of the temperature-varying room 4 is increased.
In the present invention, the refrigerator 100 further includes an air outlet 51 communicating the compartment with the air supply passage 5, and a return air inlet 61 communicating the compartment with the return air passage 6. The refrigerating system comprises a compressor and an evaporator 8 connected with the compressor to provide cold for the freezing chamber 3, and the evaporator 8 is attached to the back of the freezing chamber 3 and the back of the temperature-changing chamber 4. The air supply passage 5 communicates from the evaporator 8 to the freezing chamber 3. The return air channel 6 comprises a refrigerating return air channel, a variable temperature return air channel and a freezing return air channel which are respectively communicated from the refrigerating chamber 2, the variable temperature chamber 4 and the freezing chamber 3 to the evaporator 8. And the air supply channel 5 and the air return channel 6 can be provided with control doors for controlling on-off.
In the preferred embodiment of the present invention, the air outlet 51 is disposed at the upper part of the compartment, and the air return 61 is disposed at the bottom of the compartment to facilitate the circulation of air. In the present invention, a pair of the air outlets 51 is provided at the upper portion of the freezing chamber 3, and the air return openings 61 of the refrigerating chamber 2, the freezing chamber 3, and the temperature-changing chamber 4 are all provided at the bottom.
In the invention, the temperature-changing chamber 4 and the freezing chamber 3 are arranged on the left and right sides, and the refrigerating chamber 2 is correspondingly arranged above the temperature-changing chamber 4 and the freezing chamber 3 and is in a split door design.
In the present invention, the first and second dampers 71 and 72 are provided at the rear of the corresponding freezing and variable temperature chambers 3 and 4, and the third damper 73 is provided at the front of the variable temperature chamber 4. The first fan 31 is disposed near the first damper 71, and the second fan 21 is disposed at the upper portion of the refrigerating compartment 2, thereby facilitating blowing of cool air of the freezing compartment 3 or the warming compartment 4 into the refrigerating compartment 2 to accomplish heat exchange of the refrigerating compartment 2. Of course, the second fan 21 may be disposed in the temperature-varying chamber 4, or fans may be disposed in both the refrigerating chamber 2 and the temperature-varying chamber 4 to increase the amount of heat exchange air and enhance the air circulation.
Other constructions and operations of the refrigerator 100 are known to those of ordinary skill in the art and will not be described in detail herein.
In the present invention, the control method of the refrigerator 100 includes the steps of:
s1, starting a compressor by the refrigerating system to provide cold for the freezing chamber 3;
s2, opening a first air door 71, starting a first fan 31 of a freezing chamber 3 to provide cooling capacity for a temperature-variable chamber 4, wherein the temperature-variable chamber 4 can be set to be a first temperature zone or a second temperature zone, the temperature of the first temperature zone is lower than that of the second temperature zone, in the invention, the temperature of the first temperature zone is between minus 11 ℃ and minus 20 ℃, the temperature of the second temperature zone is between minus 5 ℃ and minus 10 ℃, namely the temperature of the first temperature zone is close to that of the freezing chamber 3, and the temperature of the second temperature zone is close to that of a refrigerating chamber 2;
s3, setting the temperature T of the refrigerating chamber 2,
s4, when the temperature-changing chamber 4 is set at the first temperature zone, the control mechanism controls to open the second air door 72, the first fan 31 and the second fan 21, and blows air from the freezing chamber 3 to the refrigerating chamber 2 for cooling;
s5, acquiring the real-time temperature X of the refrigerating chamber 2 through a temperature sensing element, and controlling to close the second air door 72, the first fan 31 and the second fan 21 by a control mechanism when the real-time temperature X of the refrigerating chamber 2 reaches a set temperature T;
s6, when the temperature-changing chamber 4 is set at the second temperature zone, the control mechanism controls to open the third air door 73 and the second fan 21, and air is blown from the temperature-changing chamber 4 to the refrigerating chamber 2 for cooling;
s7, after a certain time T, acquiring the real-time temperature X of the refrigerating chamber 2 through the temperature sensing element, and when the real-time temperature X of the refrigerating chamber 2 reaches the set temperature T, controlling the third air door 73 and the second fan 21 to be closed by the control mechanism; when the real-time temperature X of the refrigerating chamber 2 does not reach the set temperature T, the control mechanism controls to close the third air door 73 and open the second air door 72 and the first fan 31, air is blown from the freezing chamber 3 to the refrigerating chamber 2 for cooling, and when the real-time temperature X of the refrigerating chamber 2 reaches the set temperature T, the control mechanism controls to close the second air door 72 and the first fan 31.
Usually t is set to 10 minutes to reduce energy consumption and achieve better refrigeration.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. The refrigerator comprises a box body, a plurality of compartments arranged in the box body, a refrigerating system used for providing compartment cold quantity and a control mechanism electrically connected with the refrigerating system, wherein each compartment comprises a refrigerating chamber, a freezing chamber and a temperature-changing chamber which are adjacently arranged, the refrigerator is characterized by further comprising an air supply channel for supplying cold to the freezing chamber through the refrigerating system, an air return channel for returning air, a temperature sensing element used for sensing the temperature in the compartments, a first fan arranged on the freezing chamber and a second fan arranged on one of the refrigerating chamber and the temperature-changing chamber, the freezing chamber is communicated with the temperature-changing chamber through a first air door to supply cold to the temperature-changing chamber, the freezing chamber and the temperature-changing chamber are communicated with the refrigerating chamber through a second air door and a third air door respectively to supply cold to the refrigerating chamber, and the first fan, the second fan, the temperature sensing element, The first air door, the second air door and the third air door are respectively connected with a control mechanism, and the control method comprises the following steps:
s1, starting a refrigerating system to provide cold for the freezing chamber;
s2, opening a first air door, and starting a first fan of a freezing chamber to provide cold energy for a temperature-variable chamber, wherein the temperature-variable chamber can be set as a first temperature zone or a second temperature zone, and the temperature of the first temperature zone is lower than that of the second temperature zone;
s3, setting the temperature T of the refrigerating chamber,
s4, when the temperature-changing chamber is set to be at the first temperature zone, the control mechanism controls to open the second air door and the first fan, and air is blown from the freezing chamber to the refrigerating chamber to be cooled;
s5, acquiring real-time temperature X of the refrigerating chamber through the temperature sensing element, and controlling to close the second air door and the first fan by the control mechanism when the real-time temperature X of the refrigerating chamber reaches a set temperature T;
s6, when the temperature-changing chamber is set to be at the second temperature zone, the control mechanism controls to open the third air door and the second fan, and air is blown from the temperature-changing chamber to the refrigerating chamber for cooling;
s7, after a certain time T, obtaining the real-time temperature X of the refrigerating chamber through the temperature sensing element, and when the real-time temperature X of the refrigerating chamber reaches the set temperature T, controlling the third air door to be closed by the control mechanism; when the real-time temperature X of the refrigerating chamber does not reach the set temperature T, the control mechanism controls to close the third air door and open the second air door, air is blown from the freezing chamber to the refrigerating chamber for cooling, and when the real-time temperature X of the refrigerating chamber reaches the set temperature T, the control mechanism controls to close the second air door.
2. The control method of the refrigerator according to claim 1, wherein: the refrigerator also comprises an air outlet communicated with the compartment and the air supply channel and a return air inlet communicated with the compartment and the return air channel, wherein the air outlet is arranged at the upper part of the compartment, and the return air inlet is arranged at the bottom of the compartment.
3. The control method of the refrigerator according to claim 1, wherein: the refrigerator also comprises a control door for controlling the on-off of the air supply channel and the air return channel, and the air return channel comprises a refrigerating air return channel, a variable temperature air return channel and a freezing air return channel which are respectively communicated to the refrigerating system from the refrigerating chamber, the variable temperature chamber and the freezing chamber.
4. The control method of the refrigerator according to claim 1, wherein: the temperature-changing chamber and the freezing chamber are arranged on the left and right sides, and the refrigerating chamber is correspondingly arranged above the temperature-changing chamber and the freezing chamber.
5. The control method of the refrigerator according to claim 4, wherein: the second fan is arranged at the upper part of the refrigerating chamber.
6. The control method of the refrigerator according to claim 5, wherein: the first air door and the second air door are arranged at the rear parts of the corresponding freezing chamber and the temperature change chamber, and the third air door is arranged at the front parts of the temperature change chamber and the refrigerating chamber.
7. The control method of the refrigerator according to claim 6, wherein: the first fan is arranged close to the first air door.
8. The control method of the refrigerator according to claim 1, wherein: the refrigerating system comprises a compressor and an evaporator which is connected with the compressor to provide cold for the freezing chamber, and the evaporator is attached to the back of the freezing chamber and the back of the temperature changing chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811622715.5A CN109764602B (en) | 2018-12-28 | 2018-12-28 | Control method of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811622715.5A CN109764602B (en) | 2018-12-28 | 2018-12-28 | Control method of refrigerator |
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| Publication Number | Publication Date |
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| CN109764602A CN109764602A (en) | 2019-05-17 |
| CN109764602B true CN109764602B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811622715.5A Active CN109764602B (en) | 2018-12-28 | 2018-12-28 | Control method of refrigerator |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375410B (en) * | 2020-02-25 | 2022-09-30 | 合肥华凌股份有限公司 | Return air temperature control mechanism, return air temperature control method, operation control device and refrigerator |
| CN114739089A (en) * | 2021-01-07 | 2022-07-12 | 贵州海尔电器有限公司 | Refrigerator and control method thereof |
| CN114739088A (en) * | 2021-01-07 | 2022-07-12 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
| CN115479436B (en) * | 2021-05-31 | 2024-05-14 | 重庆海尔制冷电器有限公司 | Air duct assembly, refrigerator and control method of air duct assembly |
| CN113883798B (en) * | 2021-10-12 | 2022-07-01 | 珠海格力电器股份有限公司 | Refrigerator and temperature control method and device for temperature changing chamber |
| CN116067074A (en) * | 2021-11-03 | 2023-05-05 | 青岛海尔电冰箱有限公司 | Refrigerating apparatus |
| CN115200294A (en) * | 2022-08-08 | 2022-10-18 | 珠海格力电器股份有限公司 | Energy storage refrigerator and power failure control method thereof |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004037003A (en) * | 2002-07-03 | 2004-02-05 | Sanyo Electric Co Ltd | Refrigerator |
| CN101082460B (en) * | 2006-05-31 | 2011-06-15 | 海尔集团公司 | Three doors refrigerator of evaporator |
| KR20080003660A (en) * | 2006-07-03 | 2008-01-08 | 주식회사 대우일렉트로닉스 | Refrigerator with temperature changing room |
| CN202813945U (en) * | 2012-08-31 | 2013-03-20 | 合肥美菱股份有限公司 | Multi-door frost-free refrigerator with organic combination of variable frequency technique and variable air volume technique |
| CN203771895U (en) * | 2014-02-17 | 2014-08-13 | 杭州华日电冰箱股份有限公司 | Intelligent control system of air-cooling frost-free refrigerator |
| CN104457134B (en) * | 2014-12-10 | 2016-08-31 | 广东格兰仕集团有限公司 | A kind of refrigerator temperature-changing chamber and dehumidification control method thereof |
| CN105020963B (en) * | 2015-07-24 | 2017-12-19 | 合肥美的电冰箱有限公司 | Ducting assembly and refrigerator |
| CN106369914A (en) * | 2016-10-31 | 2017-02-01 | 青岛海尔股份有限公司 | Refrigerator and control method thereof |
| TWM548781U (en) * | 2017-05-12 | 2017-09-11 | 東元電機股份有限公司 | Refrigerator with temperature-changing chamber |
| CN108088147B (en) * | 2017-12-07 | 2020-11-06 | 合肥华凌股份有限公司 | Refrigerator with a door |
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