CN113932418A - Fresh air conditioner dehumidifier and control method thereof - Google Patents

Fresh air conditioner dehumidifier and control method thereof Download PDF

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Publication number
CN113932418A
CN113932418A CN202111355359.7A CN202111355359A CN113932418A CN 113932418 A CN113932418 A CN 113932418A CN 202111355359 A CN202111355359 A CN 202111355359A CN 113932418 A CN113932418 A CN 113932418A
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CN
China
Prior art keywords
fresh air
temperature
humidity
outdoor
indoor
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111355359.7A
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Chinese (zh)
Inventor
陈志宇
景步云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Bailang Fresh Air System Co ltd
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Guangdong Bailang Fresh Air System Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Bailang Fresh Air System Co ltd filed Critical Guangdong Bailang Fresh Air System Co ltd
Priority to CN202111355359.7A priority Critical patent/CN113932418A/en
Publication of CN113932418A publication Critical patent/CN113932418A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • F24F2110/12Temperature of the outside air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/20Humidity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/20Humidity
    • F24F2110/22Humidity of the outside air

Abstract

The utility model discloses a fresh air conditioner dehumidifier and a control method thereof, wherein the control method comprises the following steps: acquiring indoor temperature and outdoor temperature; acquiring indoor humidity and outdoor humidity; judging a temperature difference and a humidity difference according to the obtained indoor and outdoor temperature and indoor and outdoor humidity; and starting a corresponding fresh air mode according to the temperature difference and the humidity difference. The fresh air conditioner dehumidifier and the control method thereof can automatically switch and operate between cooling fresh air supply, cooling dehumidification fresh air supply, isothermal dehumidification fresh air supply, heating fresh air supply and the like according to the outdoor air temperature and humidity state and the indoor requirement, and improve the indoor comfort level.

Description

Fresh air conditioner dehumidifier and control method thereof
Technical Field
The present disclosure relates to a fresh air dehumidifier and a control method thereof, and more particularly, to a fresh air dehumidifier and an automatic dehumidification method thereof.
Background
The background description provided herein is for the purpose of generally presenting the context of the disclosure. Work of the presently named inventors, to the extent it is described in this background section, as well as aspects of the description that may not otherwise qualify as prior art at the time of filing, are neither expressly nor impliedly admitted as prior art against the present disclosure.
The existing fresh air conditioning products generally carry out precooling or preheating treatment on fresh air, and can combine with an air conditioner to realize the function of treating an indoor air conditioner in the air conditioning season. But the humidity of the fresh air cannot be controlled, and the burden of fresh air heating treatment on an air conditioner can be increased in a refrigerating season; meanwhile, in areas (east China and south China) with dehumidification demands in transitional seasons, untreated fresh air is introduced indoors to easily increase the relative humidity of indoor air, and the comfort level of the indoor environment is affected. If the fresh air is precooled in the transition season, the temperature of the fresh air fed into the room is too low, and the indoor comfort is also reduced.
The existing fresh air dehumidifier product can realize dehumidification treatment on introduced indoor fresh air and reduce the influence of fresh air humidity on indoor humidity, but generally adopts a heating and dehumidifying mode, so that the burden of an indoor air conditioner can be caused in a refrigerating season and a transition season, the energy consumption is increased, and the comfort level of an indoor environment is influenced.
Disclosure of Invention
Therefore, a new air conditioner dehumidifier and a control method thereof are needed to solve the above-mentioned deficiencies in the prior art.
The present disclosure provides a control method for dehumidification of a fresh air conditioner, which comprises the following steps: acquiring indoor temperature and outdoor temperature; acquiring indoor humidity and outdoor humidity; judging a temperature difference and a humidity difference according to the obtained indoor and outdoor temperature and indoor and outdoor humidity; and starting a corresponding fresh air mode according to the temperature difference and the humidity difference.
In one embodiment of the present disclosure, the cooling and dehumidifying fresh air mode is started when the outdoor temperature is greater than the indoor temperature and the outdoor humidity is greater than the indoor humidity.
In one embodiment of the present disclosure, the cooling fresh air mode is started when the outdoor temperature is greater than the indoor temperature and the humidity difference is less than the set humidity difference.
In one embodiment of the present disclosure, the warm-up fresh air mode is started when the outdoor temperature is less than the indoor temperature.
In one embodiment of the present disclosure, the warming fresh air mode is started when the outdoor temperature is less than the indoor temperature, the outdoor temperature is less than the set outdoor temperature, or the outdoor humidity is less than the set outdoor humidity.
In one embodiment of the present disclosure, the isothermal dehumidification fresh air mode is started when the outdoor temperature is less than the indoor temperature, the outdoor temperature is greater than the set outdoor temperature, and the outdoor humidity is greater than the set outdoor humidity.
In one embodiment of the present disclosure, the fresh air mode is initiated when the outdoor temperature is equal to the indoor temperature.
In one embodiment of the present disclosure, the fresh air mode is started when the temperature difference is less than a set temperature difference and the humidity difference is less than a set humidity difference.
In one embodiment of the present disclosure, the isothermal dehumidification fresh air mode is started when the temperature difference is less than a set temperature difference and the humidity difference is greater than a set humidity difference.
In one embodiment of the present disclosure, the set temperature difference includes 5 degrees celsius, the set humidity difference includes 10%, the set outdoor temperature includes 10 degrees celsius, and the set outdoor humidity includes 70%.
The present disclosure provides a fresh air conditioner dehumidifier comprising any one of the above control methods.
The dehumidification control method of the fresh air conditioner can realize continuous introduction of outdoor fresh air, carry out high-efficiency filtration treatment on the fresh air, and automatically switch and operate between modes such as cooling fresh air supply, cooling dehumidification fresh air supply, isothermal dehumidification fresh air supply and heating fresh air supply according to the outdoor air temperature and humidity state and the indoor requirement, so that the indoor comfort level is improved.
These and other aspects of the present disclosure will become apparent from the following description of the preferred embodiments, taken in conjunction with the accompanying drawings and the description thereof, although variations and modifications may be effected therein without departing from the spirit and scope of the novel concepts of the disclosure.
Drawings
The present disclosure will become more fully understood from the detailed description and the accompanying drawings. The drawings illustrate one or more embodiments of the disclosure and, together with the written description, serve to explain the principles of the disclosure. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like elements of an embodiment, and wherein:
fig. 1 is a flowchart of a control method for dehumidification of a fresh air conditioner according to an exemplary embodiment of the present disclosure.
Fig. 2 is a flowchart of a control method for dehumidification by a fresh air conditioner according to another exemplary embodiment of the present disclosure.
Fig. 3 is a flowchart of a control method for fresh air conditioning dehumidification according to another exemplary embodiment of the present disclosure.
Fig. 4 is a flowchart of a control method of fresh air conditioning dehumidification according to yet another exemplary embodiment of the present disclosure.
FIG. 5 is a schematic view of a fresh air conditioning dehumidifier according to an exemplary embodiment of the present disclosure.
Detailed Description
The present disclosure now will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the disclosure are shown. However, the present disclosure may be embodied in different embodiments and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. In the drawings, the thickness of layers and regions may be exaggerated for clarity. Like reference numerals are used to refer to like elements throughout the specification. The elements may have different interrelationships and different positions for different embodiments.
The control method for the dehumidification of the fresh air conditioner comprises the following steps: acquiring an indoor temperature and an outdoor temperature at step S1, and acquiring an indoor humidity and an outdoor humidity at step S2; in step S3, a temperature difference and a humidity difference are determined based on the obtained indoor temperature, outdoor temperature, and indoor humidity and outdoor humidity; in step S4, a corresponding fresh air mode is started according to the temperature difference and the humidity difference.
In one embodiment of the present disclosure, as shown in fig. 2, in step S21, an indoor temperature and an outdoor humidity are obtained, in step S22, an indoor and outdoor temperature difference is determined, in step S23, an indoor and outdoor humidity difference is determined, and when the outdoor temperature is higher than the indoor temperature and the outdoor humidity is higher than the indoor humidity, preferably, when the outdoor temperature is higher than the indoor temperature by more than 5 degrees celsius and the outdoor humidity is higher than the indoor humidity by more than 10%, in step S24, the cooling and dehumidifying fresh air mode is started. When the outdoor temperature is higher than the indoor temperature and the humidity difference is smaller than the set humidity difference, preferably, when the outdoor temperature is higher than the indoor temperature by more than 5 degrees celsius and the absolute value of the difference between the outdoor humidity and the indoor humidity is smaller than 10%, the cooling fresh air mode is started in step S25.
In one embodiment of the present disclosure, as shown in fig. 3, in step S31, an indoor and outdoor temperature and humidity are obtained, in step S32, an indoor and outdoor temperature difference is determined, in step S33, an indoor and outdoor humidity difference is determined, in step S34, when the indoor and outdoor temperature difference is less than a set temperature difference (for example, the absolute value of the indoor and outdoor temperature difference is less than 5 degrees celsius) and the indoor and outdoor humidity difference is less than a set humidity difference (for example, the absolute value of the indoor and outdoor humidity difference is less than 10%), the fresh air mode is started, in step S35, when the indoor and outdoor temperature difference is less than the set temperature difference and the outdoor humidity difference is greater than the set humidity difference (for example, the outdoor humidity is greater than the indoor humidity by more than 10%), the isothermal dehumidification fresh air mode is started.
Or when the outdoor temperature is equal to the indoor temperature, the fresh air mode is started, and when the absolute value of the indoor and outdoor temperature difference is smaller than the set temperature difference and the outdoor humidity is larger than the set outdoor humidity, the isothermal dehumidification fresh air mode is started. Or when the outdoor temperature is equal to the indoor temperature, the fresh air mode is started, and when the absolute value of the indoor and outdoor temperature difference is smaller than the set temperature difference and the outdoor and indoor humidity difference is larger than the set outdoor humidity difference, the isothermal dehumidification fresh air mode is started.
In one embodiment of the present disclosure, as shown in fig. 4, in step S41, the indoor and outdoor temperatures and humidities are obtained, in step S42, the indoor and outdoor temperature difference is determined, in step S43, the indoor and outdoor humidity difference is determined, and in step S44, when the indoor and outdoor temperature difference is greater than the set temperature difference, the outdoor temperature is greater than the set temperature (e.g., 10 degrees celsius), and the outdoor humidity is greater than the set outdoor humidity (e.g., 70%), the isothermal dehumidification fresh air mode is turned on. In step S45, when the indoor and outdoor temperature difference is greater than the set temperature difference, and the outdoor temperature is less than the set outdoor temperature (e.g., 10 degrees celsius) or the outdoor humidity is less than the set outdoor humidity (e.g., 70%), the warming fresh air mode is activated.
Or when the outdoor temperature is lower than the indoor temperature, the temperature-rising fresh air mode is started. Or when the outdoor temperature is lower than the set outdoor temperature, the temperature-rising fresh air mode is started.
The embodiment is specifically explained by corresponding to the embodiment, when the outdoor temperature is higher than the indoor temperature and the relative humidity is close to the indoor temperature (for example, in a sunny day in summer), the fresh air conditioning and dehumidifying unit automatically enters a cooling and fresh air supply mode, so that the supply temperature of the fresh air is close to the indoor temperature, the influence of the temperature difference of the fresh air on the indoor temperature is reduced while the fresh air is introduced, and the indoor comfort level is improved.
When outdoor temperature is higher than indoor temperature and relative humidity is higher than when indoor (for example, rainy day in summer), new trend air conditioner dehumidification unit automatically gets into the new trend mode of cooling and dehumidification, gets rid of the moisture in the new trend air when reducing new trend temperature, makes the temperature and the humidity state of new trend be close to indoor air state, improves indoor travelling comfort.
When the outdoor temperature is close to the indoor temperature and the relative humidity is higher than the indoor temperature (such as plum rainy season), the fresh air conditioning and dehumidifying unit automatically enters an isothermal dehumidification fresh air supply mode to remove the humidity cooling moisture in the fresh air, and meanwhile, the temperature of the fresh air is not reduced and is still close to the indoor temperature, so that the indoor air humidity is reduced, and the comfort is improved.
When the outdoor temperature is lower than the indoor temperature (for example, in winter), the fresh air conditioning and dehumidifying unit automatically enters a heating and fresh air supply mode, the temperature of the fresh air is increased to be close to the indoor temperature, and the indoor comfort is improved.
When the outdoor relative humidity is more than 70%, the fresh air conditioning and dehumidifying unit automatically enters an isothermal dehumidification fresh air supply mode, the humidity of the air supplied into the room is reduced, and the indoor comfort is improved.
The fresh air conditioning dehumidification method of the present disclosure may set a target value, for example, the set humidity range may be between 40% and 70%, such as 45%, 50%, 55%, 60%, 65%, etc., and the set temperature range may be between 5 ℃ and 10 ℃, such as 6 ℃, 6.5 ℃, 7 ℃, 7.5 ℃, 8 ℃, 8.5 ℃, 9 ℃, or 9.5 ℃, etc.
When the fresh air conditioning dehumidification unit operates, firstly, temperature and humidity parameters of indoor air and outdoor air are obtained for comparison. When the outdoor temperature is lower than the indoor temperature by more than 5 ℃, and the outdoor temperature is lower than 10 ℃ or the relative humidity is lower than 70%, the fresh air conditioning and dehumidifying unit operates in a temperature-raising and air-supplying mode; when the outdoor temperature is higher than 10 ℃ and the relative humidity is higher than 70%, the fresh air conditioning and dehumidifying unit operates in an isothermal dehumidifying mode.
When the indoor and outdoor temperature difference is less than 5 ℃, simultaneously judging the indoor and outdoor relative humidity difference, and if the outdoor relative humidity is more than 10% of the indoor relative humidity, operating the fresh air conditioner dehumidifier unit in an isothermal dehumidification mode; if the outdoor relative humidity is less than 10% of the indoor relative humidity, the fresh air conditioning dehumidifier unit operates in a direct fresh air supply mode.
When the outdoor temperature is higher than the indoor temperature by more than 5 ℃, simultaneously judging the difference of the indoor and outdoor relative humidity, and if the outdoor relative humidity is higher than the indoor relative humidity by 10%, operating a cooling and dehumidifying mode by a fresh air conditioner dehumidifier unit; if the outdoor relative humidity is less than 10% of the indoor relative humidity, the fresh air conditioning dehumidifier unit operates in a cooling and fresh air supply mode.
In one embodiment of the present disclosure, as shown in fig. 5, the fresh air conditioner dehumidifier 1 includes an external unit 10 and an internal unit 20, and the internal unit 20 and the external unit 30 are connected by three pipelines 40, such as copper pipes, so as to realize the circulation and transportation of the refrigerant in different modes of operation. For example, the temperature and the humidity can be obtained by sensors arranged in the external unit and the internal unit, and the temperature difference and the humidity difference can be obtained by the control module and the corresponding fresh air mode can be executed.
The terminology used herein is for the purpose of exemplification of the disclosure only and should not be construed as limiting the meaning or scope of the disclosure. As used in this specification, the singular forms may include the plural forms unless the context clearly dictates otherwise. Furthermore, the terms "comprises" and/or "comprising," when used in this specification, do not specify the presence of stated shapes, integers, steps, acts, operations, elements, components, and/or groups thereof, nor preclude the presence or addition of one or more other different shapes, integers, steps, operations, elements, components, and/or groups thereof, or groups thereof.
The foregoing description of the exemplary embodiments of the present disclosure has been presented for the purposes of illustration and description only and is not intended to be exhaustive or to limit the disclosure to the precise forms disclosed. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to explain the principles of the disclosure and its practical application to enable others skilled in the art to utilize the disclosure and various embodiments and with various modifications as are suited to the particular use contemplated. Alternative embodiments will become apparent to those skilled in the art to which the present disclosure pertains without departing from its spirit and scope. Accordingly, the scope of the present disclosure is defined by the appended claims rather than by the foregoing description and the exemplary embodiments described therein.

Claims (11)

1. A control method of a fresh air conditioner dehumidifier comprises the following steps:
acquiring indoor temperature and outdoor temperature;
acquiring indoor humidity and outdoor humidity;
judging a temperature difference and a humidity difference according to the obtained indoor and outdoor temperature and indoor and outdoor humidity;
and starting a corresponding fresh air mode according to the temperature difference and the humidity difference.
2. The method as claimed in claim 1, wherein when the outdoor temperature is higher than the indoor temperature and the outdoor humidity is higher than the indoor humidity, the cooling and dehumidifying fresh air mode is started.
3. The method for controlling the fresh air conditioning dehumidifier as claimed in claim 1, wherein the cooling fresh air mode is started when the outdoor temperature is higher than the indoor temperature and the humidity difference is less than the set humidity difference.
4. The method for controlling the fresh air conditioning dehumidifier as claimed in claim 1, wherein the warm-up fresh air mode is started when the outdoor temperature is lower than the indoor temperature.
5. The method as claimed in claim 1, wherein the warm-up fresh air mode is started when the outdoor temperature is less than the indoor temperature, the outdoor temperature is less than the set outdoor temperature, or the outdoor humidity is less than the set outdoor humidity.
6. The method as claimed in claim 1, wherein when the outdoor temperature is lower than the indoor temperature, the outdoor temperature is higher than the set outdoor temperature and the outdoor humidity is higher than the set outdoor humidity, the isothermal dehumidification fresh air mode is started.
7. The method as claimed in claim 1, wherein the fresh air mode is started when the outdoor temperature is equal to the indoor temperature.
8. The method for controlling the fresh air conditioner dehumidifier as claimed in claim 1, wherein the fresh air mode is started when the temperature difference is less than a set temperature difference and the humidity difference is less than a set humidity difference.
9. The method for controlling the fresh air conditioner dehumidifier as claimed in claim 1, wherein when the temperature difference is less than a set temperature difference and the humidity difference is greater than a set humidity difference, an isothermal dehumidification fresh air mode is started.
10. A method as claimed in any one of claims 1 to 9, wherein the set temperature difference comprises 5 degrees celsius, the set humidity difference comprises 10%, the set outdoor temperature comprises 10 degrees celsius, and the set outdoor humidity comprises 70%.
11. A fresh air conditioning dehumidifier characterized in that it comprises the control method of any of the preceding claims.
CN202111355359.7A 2021-11-16 2021-11-16 Fresh air conditioner dehumidifier and control method thereof Pending CN113932418A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114608163A (en) * 2022-02-18 2022-06-10 青岛海尔空调器有限总公司 Fresh air device control method, control equipment, fresh air conditioner and medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0399150A (en) * 1989-08-30 1991-04-24 Allan Shaw Air conditioner and method of air conditioning
US20160209070A1 (en) * 2015-01-19 2016-07-21 Lennox Industries Inc. Hvac system and an hvac controller configured to operate the hvac system based on air pollutant data and user comfort
CN108413580A (en) * 2018-03-07 2018-08-17 广东美的制冷设备有限公司 Air-conditioner control method, device and readable storage medium storing program for executing, air conditioner
CN112254209A (en) * 2020-11-05 2021-01-22 南京天加环境科技有限公司 Two-pipe refrigerating and condensing reheating fresh air system and control method thereof
CN113390134A (en) * 2021-06-21 2021-09-14 广东美的暖通设备有限公司 Fresh air device, control method, electronic equipment and storage medium

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0399150A (en) * 1989-08-30 1991-04-24 Allan Shaw Air conditioner and method of air conditioning
US20160209070A1 (en) * 2015-01-19 2016-07-21 Lennox Industries Inc. Hvac system and an hvac controller configured to operate the hvac system based on air pollutant data and user comfort
CN108413580A (en) * 2018-03-07 2018-08-17 广东美的制冷设备有限公司 Air-conditioner control method, device and readable storage medium storing program for executing, air conditioner
CN112254209A (en) * 2020-11-05 2021-01-22 南京天加环境科技有限公司 Two-pipe refrigerating and condensing reheating fresh air system and control method thereof
CN113390134A (en) * 2021-06-21 2021-09-14 广东美的暖通设备有限公司 Fresh air device, control method, electronic equipment and storage medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114608163A (en) * 2022-02-18 2022-06-10 青岛海尔空调器有限总公司 Fresh air device control method, control equipment, fresh air conditioner and medium

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