CN104748237B - A kind of air-conditioner control system and control method - Google Patents

A kind of air-conditioner control system and control method Download PDF

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Publication number
CN104748237B
CN104748237B CN201510150274.3A CN201510150274A CN104748237B CN 104748237 B CN104748237 B CN 104748237B CN 201510150274 A CN201510150274 A CN 201510150274A CN 104748237 B CN104748237 B CN 104748237B
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CN
China
Prior art keywords
return air
indoor
air inlet
air
outdoor
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CN201510150274.3A
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Chinese (zh)
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CN104748237A (en
Inventor
曹庭学
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广东美的暖通设备有限公司
美的集团股份有限公司
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Priority to CN201510150274.3A priority Critical patent/CN104748237B/en
Publication of CN104748237A publication Critical patent/CN104748237A/en
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Publication of CN104748237B publication Critical patent/CN104748237B/en

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Classifications

    • 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
    • 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
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46Improving electric energy efficiency or saving
    • 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
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • F24F2110/12Temperature of the outside air

Abstract

The present invention relates to air-conditioning technical field, and in particular to a kind of air-conditioner control system and control method.The air-conditioner control system includes outdoor unit, indoor set and measurement and control unit;The first return air inlet, the second return air inlet and air outlet are connected with the indoor set, first return air inlet is communicated in interior, and second return air inlet is communicated in outdoor;Return air motor is provided with the indoor set, the return air motor connection has return air baffle plate, and the return air baffle plate is used for the keying for controlling first return air inlet and the second return air inlet;Measurement and control unit includes indoor temperature transmitter, outdoor temperature sensor and master control borad, and the master control borad is electrically connected with indoor temperature transmitter, outdoor temperature sensor, outdoor unit and return air motor respectively.The air-conditioner control system is realized by using indoor/outdoor temperature-difference to be freezed or is heated to indoor, effectively reduces the working time of air conditioner refrigerating heating, has the advantages that energy-conserving and environment-protective.

Description

A kind of air-conditioner control system and control method
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of air-conditioner control system and control method.
Background technology
Air-conditioning is the abbreviation of air regulator, is that the temperature to air, humidity, degree of purity, air velocity are handled, and Meet people's production, the equipment of living needs.With expanding economy and the continuous improvement of scientific and technological level, people increasingly focus on The energy-efficient performance of air-conditioning.
At present, existing air-conditioning, when freezing or heating, is generally only to carry out high power operating by parts such as compressors, A large amount of electric energy so can be not only consumed, and can also be taken a significant amount of time and power consumption when refrigeration is with heating.To find out its cause, air-conditioning It is simply simple in the running to be freezed and heated using itself parts, without the environment bar for sufficiently utilizing indoor and outdoor Part, for example:When daytime in winter is sunny, outdoor heating now reaches hot outdoor air using air-flow than indoor quick heating It is indoor to be heated;Night summer or it is rainy when, outdoor temperature dropping is faster than room temperature lowering, now using air-flow by outdoor cold air Reach indoor freezed.Therefore, it can't realize in the prior art and carry out cooling and warming using the temperature difference of indoor and outdoor, it is impossible to reach The time heated to reduction air conditioner refrigerating and energy-efficient function.
The content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention is how to reduce air conditioner refrigerating by using the temperature difference of indoor and outdoor to heat the time, The problem of to realize efficient energy-saving.
(2) technical scheme
In order to solve the above-mentioned technical problem, the present invention provides a kind of air-conditioner control system, and it includes:
Outdoor unit,
Air outlet, the first return air inlet and the second return air inlet are connected with the indoor set being connected with outdoor unit, the indoor set, First return air inlet is communicated in interior, and second return air inlet is communicated in outdoor;Return air motor is provided with the indoor set, The return air motor connection has a return air baffle plate, and the return air baffle plate is used to controlling opening for first return air inlet and the second return air inlet Close;
Measurement and control unit, including indoor temperature transmitter, outdoor temperature sensor and master control borad, the master control borad respectively with room Interior temperature sensor, outdoor temperature sensor, outdoor unit and the electrical connection of return air motor.
Wherein, the measurement and control unit also includes controller, and the controller is electrically connected with master control borad, and the master control borad is set In on the outer wall of indoor set.
Wherein, the cavity connected with first return air inlet, the second return air inlet and air outlet is provided with the indoor set, Indoor fan is provided with the cavity.
Wherein, return air duct is connected between first return air inlet and the second return air inlet, the return air duct is provided with The return air duct outlet connected with the indoor set cavity, the return air baffle plate setting is exported in return air duct, the return air electricity Machine drives the return air baffle plate to be swung in return air duct outlet.
Wherein, the indoor fan is oppositely arranged with return air duct outlet.
Wherein, the outdoor unit includes the outdoor fan and compressor electrically connected respectively with master control borad, the outdoor fan It is connected with compressor with the indoor set.
In addition, the present invention also provides a kind of air conditioning control method, it comprises the following steps:
S1, to open air-conditioning be energy saver mode, and default indoor/outdoor temperature-difference T;
S2, the outdoor temperature T for passing through outdoor temperature sensor detection reality1, detect actual by indoor temperature transmitter Indoor temperature T2, and the temperature information each detected is fed back in master control borad;
S3, master control borad are by outdoor temperature T1With indoor temperature T2Difference and default indoor/outdoor temperature-difference T contrasted, and The action of outdoor unit, return air motor is controlled according to comparing result.
Wherein, step S3 includes:If S31, air-conditioning T in cooling mode2- T1>=T or in a heating mode T1- T2 During >=T, return air motor driving return air the first return air inlet of flapper closure, and the second return air inlet is opened, meanwhile, outdoor unit stops work Make;Now, air conditioner refrigerating or heating do not start, and are only cooled or are heated up to indoor by outside return air, until empty Adjust T in cooling mode2- T1T under < T or heating mode1- T2During < T, following steps S32 is performed;
If S32, air-conditioning T in cooling mode2- T1< T or in a heating mode T1- T2During < T, return air motor Make, driving return air baffle plate opens the first return air inlet, and closes the second return air inlet;Meanwhile, outdoor unit is opened, air conditioner refrigerating or is heated System starts.
Wherein, the step S1 includes:It is energy saver mode to be opened air-conditioning by controller, and to default indoor and outdoor temperature Poor T carries out self-defined regulation.
(3) beneficial effect
The above-mentioned technical proposal of the present invention has the advantages that:The present invention provides a kind of air-conditioner control system, first Return air inlet is connected with interior, and the second return air inlet is connected with outdoor, and realizes the first return air inlet and the second return air using return air baffle plate Switching between mouthful, so that beneficial to the wind regime of control return air inlet;In addition, the present invention returns a kind of air conditioning control method of offer, lead to The control to above-mentioned return air inlet is crossed, realizes and is freezed or heated using indoor/outdoor temperature-difference, not only effectively reduce air-conditioning system The working time of cold heating, and electric energy is also a saving, reach the effect of energy-conserving and environment-protective.
Brief description of the drawings
Fig. 1 is the structure principle chart of air-conditioner control system of the embodiment of the present invention;
Fig. 2 is the flow diagram of present example air conditioning control method.
Wherein, 1:Indoor set;2:Outdoor unit;3:Outdoor temperature sensor;4:Indoor temperature transmitter;5:Controller;11: Master control borad;12:Indoor fan;13:Return air baffle plate;14:Return air motor;16:Air outlet;21:Outdoor fan;22:Compressor; 151:First return air inlet;152:Second return air inlet.
Embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following examples are used for Illustrate the present invention, but can not be used for limiting the scope of the present invention.
In the description of the invention, it is necessary to explanation, unless otherwise indicated, " multiple " be meant that two or two with On;The orientation of the instruction such as term " on ", " under ", "left", "right", " interior ", " outer ", " front end ", " rear end ", " head ", " afterbody " Or position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description, and It is not instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore It is not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for describing purpose, and can not It is interpreted as indicating or implying relative importance.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected Connect;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary.It is right For one of ordinary skill in the art, visual concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in figure 1, the air-conditioner control system that the present embodiment is provided includes:Outdoor unit 2, indoor set 1 and measurement and control unit;Its In, outdoor unit 2 is connected with indoor set 1, constitutes the refrigerating and heating systems of air-conditioning, makes air-conditioning can be in refrigeration mode or heating mode Lower operation;Machine 1 is provided with the first return air inlet 151, the second return air inlet 152 and air outlet 16 indoors;First return air inlet 151 is connected In interior, the air-flow of interior can be made to get in machine 1;Second return air inlet 152 is communicated in outdoor, and the air-flow of outdoor can be made to enter to enter the room Interior machine 1;Entering to the air-flow of indoor set 1 can be discharged by air outlet 16.Moreover, the inside of machine 1 is provided with return air motor indoors 14, return air motor 14 is connected with return air baffle plate 13, for driving return air baffle plate 13 to act, and return air baffle plate 13 is used to control first time The keying of the return air inlet 152 of air port 151 and second, automaticity is high, easy to operate, beneficial to control wind regime.
Measurement and control unit include indoor temperature transmitter 4, outdoor temperature sensor 3 and master control borad 11, master control borad 11 respectively with Indoor temperature transmitter 4, outdoor temperature sensor 3, outdoor unit 2 and return air motor 14 are electrically connected, so as to realize to each zero Part carries out Intelligent control.Wherein, indoor temperature transmitter 4 is arranged at interior, for detecting indoor temperature and feeding back to master control borad 11;Outdoor temperature sensor 3 is arranged at outdoor, for detecting outdoor temperature and feeding back to master control borad 11.Realize using indoor The outer temperature difference is freezed or heated, and not only effectively reduces the working time of air conditioner refrigerating heating, and also a saving electricity Can, reach the effect of energy-conserving and environment-protective.
In addition, the measurement and control unit also includes controller 5, controller 5 is electrically connected with master control borad 11, for entering to master control borad 11 Row control in real time, includes the input of self-defined indoor/outdoor temperature-difference and parameters;Master control borad 11 is arranged at the outer wall of indoor set 1 On.
It is preferred that, master control borad 11 can be liquid crystal display panel, be easy to human-computer exchange.
For indoor set, it is internally provided with connecting with the first return air inlet 151, the second return air inlet 152 and air outlet 16 Cavity, and in cavity be provided with indoor fan 12.Indoor fan 12 is used for the first return air inlet 151 and the second return air inlet 152 Drainage is carried out, and air-flow is discharged through air outlet 16.
In addition, return air duct is connected between the first return air inlet 151 and the second return air inlet 152, and in return air duct Provided with the return air duct outlet connected with the cavity of indoor set 1;That is, one end of return air duct and the second return air inlet 152 Connection, the other end connects with the first return air inlet 151, and exported at the middle part of return air duct provided with one, its cavity with indoor set 1 Connection;Corresponding, return air baffle plate 13 is arranged at return air duct exit, and is swung under the driving of return air motor 14, from And the first return air inlet 151 of switching and the second return air inlet 152 are realized, for example:When needing to open the first return air inlet 151, second is closed During return air inlet 152, the driving of return air motor 14 return air baffle plate 13 is swung to the direction close to the second return air inlet 152, so that by return air On pipeline with the second return air inlet 152 is connected is partially completed sealing;When needing to open the second return air inlet 152, the first return air is closed When mouthfuls 151, the driving return air of return air motor 14 baffle plate 13 is swung to the direction close to the first return air inlet 151, so that by return air duct It is upper with the first return air inlet 151 is connected is partially completed sealing.
Moreover, indoor fan 12 is oppositely arranged with return air duct outlet, in order to drainage and heat exchange action.
Certainly, for return air inlet wind regime control except using above-mentioned this motor, in addition to baffle arrangement, it would however also be possible to employ Valve or air door structure, for example:The first valve can be provided with the first return air inlet 151, provided with the at the second return air inlet 152 Two valves, the first valve is electrically connected with the second valve with master control borad 11, and automatic shutter can be carried out under the control of master control borad 11.
Outdoor unit 2 in the present embodiment includes the outdoor fan 21 and compressor 22 electrically connected respectively with master control borad 11, room Outer blower fan 21 and compressor 22 are connected with indoor set 1, so that the refrigerating and heating systems of air-conditioning.
What deserves to be explained is, the air-conditioner control system in the present embodiment is not limited to certain particular form, each zero The shape and size of part can flexibly be set, if disclosure satisfy that realization freezed by indoor/outdoor temperature-difference or heat-production functions i.e. Can.In addition, the optimization that those skilled in the art are carried out on the basis of said structure similarly belongs to the guarantor of the present invention with modification Scope is protected, for example:In order to prevent outdoor impurity and dust from entering, screen pack can be increased at the second return air inlet 152 or other are net Change equipment etc..
As shown in Fig. 2 the present invention also provides a kind of air conditioning control method, it comprises the following steps:
S1, to open air-conditioning be energy saver mode, and default indoor/outdoor temperature-difference T;
Specifically, it is energy saver mode that can be opened air-conditioning by controller, and default indoor/outdoor temperature-difference T is made by oneself Justice regulation (is flexibly set, or the indoor/outdoor temperature-difference that directly default factory is set) according to the weather conditions of location;
S2, the outdoor temperature T for passing through outdoor temperature sensor detection reality1, detect actual by indoor temperature transmitter Indoor temperature T2, and the temperature information each detected is fed back in master control borad;
S3, master control borad are by outdoor temperature T1With indoor temperature T2Difference and default indoor/outdoor temperature-difference T contrasted, and The action of outdoor unit, return air motor is controlled according to comparing result;Wherein step S3 includes following two situations:
If S31, air-conditioning T in cooling mode2- T1>=T or in a heating mode T1- T2During >=T, return air motor drives Dynamic return air the first return air inlet of flapper closure, and the second return air inlet is opened, meanwhile, outdoor unit (outdoor fan and compressor) stops work Make;Now, air conditioner refrigerating or heating do not start, and are only cooled or are heated up to indoor by outside return air, until empty Adjust T in cooling mode2- T1T under < T or heating mode1- T2During < T, following steps S32 is performed;
If S32, air-conditioning T in cooling mode2- T1< T or in a heating mode T1- T2During < T, return air motor drives Dynamic return air baffle plate opens the first return air inlet, and closes the second return air inlet;Meanwhile, outdoor unit (outdoor fan and compressor) is opened, Air conditioner refrigerating or heating start.
In summary, the present invention provides a kind of air-conditioner control system, and the first return air inlet is connected with interior, the second return air inlet and Outdoor connection, and the switching between the first return air inlet and the second return air inlet is realized using return air baffle plate, so that beneficial to control return air The wind regime of mouth;In addition, the present invention returns a kind of air conditioning control method of offer, by the control to above-mentioned return air inlet, profit is realized Freezed with indoor/outdoor temperature-difference or heated, not only effectively reduce the working time of air conditioner refrigerating heating, but also saved About electric energy, reaches the effect of energy-conserving and environment-protective.
Embodiments of the invention are provided for the sake of example and description, and are not exhaustively or by this to send out It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing Select and describe embodiment and be more preferably to illustrate the principle and practical application of the present invention, and make one of ordinary skill in the art It will be appreciated that the present invention is so as to design the various embodiments with various modifications suitable for special-purpose.

Claims (7)

1. a kind of air-conditioner control system, it is characterised in that including:
Outdoor unit (2),
The indoor set (1) being connected with outdoor unit (2), the indoor set (1) is provided with air outlet (16), the first return air inlet (151) And second return air inlet (152), first return air inlet (151) is communicated in interior, and second return air inlet (152) is communicated in room Outside;Return air motor (14) is provided with the indoor set (1), the return air motor (14) is connected with return air baffle plate (13), described Return air baffle plate (13) is used for the keying for controlling first return air inlet (151) and the second return air inlet (152);First return air inlet (151) return air duct is connected between the second return air inlet (152), the return air duct is provided with empty with the indoor set (1) The return air duct outlet of chamber connection, the return air baffle plate (13) is arranged at return air duct outlet, return air motor (14) driving The return air baffle plate (13) is swung in return air duct outlet;
Measurement and control unit, including indoor temperature transmitter (4), outdoor temperature sensor (3) and master control borad (11), the master control borad (11) electrically connected respectively with indoor temperature transmitter (4), outdoor temperature sensor (3), outdoor unit (2) and return air motor (14);
If air-conditioning T in cooling mode2- T1>=T or in a heating mode T1- T2During >=T, return air motor driving return air baffle plate The first return air inlet is closed, and opens the second return air inlet, meanwhile, outdoor unit is stopped;Now, air conditioner refrigerating or heating be not Start, only cooled or heated up to indoor by outside return air, until air-conditioning T in cooling mode2- T1< T are heated T under pattern1- T2During < T, following steps S32 is performed;
If air-conditioning T in cooling mode2- T1< T or in a heating mode T1- T2During < T, return air motor action drives back Windshield plate opens the first return air inlet, and closes the second return air inlet;Meanwhile, outdoor unit is opened, air conditioner refrigerating or heating start;
T1For outdoor temperature;T2For indoor temperature.
2. air-conditioner control system according to claim 1, it is characterised in that the measurement and control unit also includes controller (5), The controller (5) is electrically connected with master control borad (11), and the master control borad (11) is arranged on the outer wall of indoor set (1).
3. air-conditioner control system according to claim 1, it is characterised in that be provided with the indoor set (1) and described the The cavity of one return air inlet (151), the second return air inlet (152) and air outlet (16) connection, is provided with indoor fan in the cavity (12)。
4. air-conditioner control system according to claim 3, it is characterised in that the indoor fan (12) and the backwind tube Road outlet is oppositely arranged.
5. air-conditioner control system according to claim 1, it is characterised in that the outdoor unit (2) include respectively with master control The outdoor fan (21) and compressor (22) of plate (11) electrical connection, the outdoor fan (21) and compressor (22) with the room Interior machine (1) connection.
6. a kind of air conditioning control method, it is characterised in that comprise the following steps:
S1, to open air-conditioning be energy saver mode, and default indoor/outdoor temperature-difference T;
S2, the outdoor temperature T for passing through outdoor temperature sensor detection reality1, actual interior is detected by indoor temperature transmitter Temperature T2, and the temperature information each detected is fed back in master control borad;
S3, master control borad are by outdoor temperature T1With indoor temperature T2Difference and default indoor/outdoor temperature-difference T contrasted, and according to Comparing result control outdoor unit, the action of return air motor;Step S3 includes:
If S31, air-conditioning T in cooling mode2- T1>=T or in a heating mode T1- T2During >=T, return air motor driving return air The return air inlet of flapper closure first, and the second return air inlet is opened, meanwhile, outdoor unit is stopped;Now, air conditioner refrigerating or heat and be System does not start, and is only cooled or is heated up to indoor by outside return air, until air-conditioning T in cooling mode2- T1< T or T under heating mode1- T2During < T, following steps S32 is performed;
If S32, air-conditioning T in cooling mode2- T1< T or in a heating mode T1- T2During < T, return air motor action is driven Dynamic return air baffle plate opens the first return air inlet, and closes the second return air inlet;Meanwhile, open outdoor unit, air conditioner refrigerating or heating Start.
7. air conditioning control method according to claim 6, it is characterised in that the step S1 includes:Will by controller It is energy saver mode that air-conditioning, which is opened, and carries out self-defined regulation to default indoor/outdoor temperature-difference T.
CN201510150274.3A 2015-03-31 2015-03-31 A kind of air-conditioner control system and control method CN104748237B (en)

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CN105115104A (en) * 2015-08-18 2015-12-02 无锡乐华自动化科技有限公司 Indoor temperature control device
CN105180278A (en) * 2015-09-02 2015-12-23 广东美的制冷设备有限公司 Floor-type split air conditioner
CN106247538A (en) * 2016-08-09 2016-12-21 金粤幕墙装饰工程有限公司 Integrally wind-transformation induced intelligent constant temperature ecology lighting ceiling and temperature control method
CN107990407B (en) * 2016-10-26 2020-08-25 青岛海尔空调器有限总公司 Control method of air conditioner
CN107642886A (en) * 2017-10-02 2018-01-30 广东美的制冷设备有限公司 New blower fan and air conditioning linkend system and its control method, device and storage medium
CN107702285B (en) * 2017-10-02 2020-10-09 广东美的制冷设备有限公司 Fresh air fan and air conditioner linkage system, control method and device thereof, and storage medium
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