An evaporator assembly, a machine room air conditioner and a control method thereof

Abstract

The application provides an evaporator assembly, a computer room air conditioner and a control method thereof, and relates to the technical field of air conditioners. The application solves the technical problem of high energy consumption of air conditioners caused by the frequent start-stop of the compressor to maintain the room temperature in the prior art. The evaporator assembly, the computer room air conditioner and the control method thereof comprise a heat exchanger body and an evaporator structure. The evaporator structure comprises at least one evaporator body. The heat exchanger body is movably arranged on the evaporator structure, so that the heat exchanger body is arranged on an air outlet, and the incoming air is heat-exchanged through the heat exchanger body. Alternatively, the heat exchanger body and the at least one evaporator body are arranged on the air outlet, and the incoming air is heat-exchanged through the heat exchanger body and the at least one evaporator body. The application is used for providing an evaporator assembly, a computer room air conditioner and a control method thereof.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air conditioning, in particular to an evaporator assembly, a machine room air conditioner and a control method thereof. BACKGROUND

[0002] In data centers and other large machine rooms that require continuous cooling, the refrigerating capacity adjustment of the air conditioning system is the key to ensure the stable operation of the data center equipment.

[0003] At present, the common refrigerating capacity adjustment scheme of the machine room air conditioning system is to adjust the rotating speed of the compressor and the fan to realize the dynamic adjustment of the refrigerating capacity. Since the evaporator of the large variable frequency machine room air conditioner is large, after reducing the refrigerating capacity by reducing the frequency of the compressor, in the case that the environmental temperature is low and the server load is low, the refrigerating capacity is still high when the compressor operates at the lowest frequency, and the temperature inside the machine room needs to be kept constant by stopping the compressor. In this working condition, the compressor is frequently started and stopped, which increases the energy consumption of the air conditioner and reduces the energy efficiency of the actual operation of the air conditioner. SUMMARY

[0004] The purpose of the present application is to provide an evaporator assembly, a machine room air conditioner and a control method thereof to solve the technical problem that the room temperature state is maintained by frequently starting and stopping the compressor in the prior art, resulting in high energy consumption of the air conditioner. The technical effects produced by the preferred technical solutions in the many technical solutions provided by the present application are described in detail below.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0006] The evaporator assembly provided by the present application comprises:

[0007] The heat exchanger body and the evaporator structure, the evaporator structure comprises at least one evaporator body, the heat exchanger body is movably arranged on the evaporator structure, so that the heat exchanger body is placed on the air outlet, and the air inlet passes through the heat exchanger body for heat exchange;

[0008] Or, the heat exchanger body and at least one evaporator body are arranged on the air outlet, and the air inlet passes through the heat exchanger body and at least one evaporator body for heat exchange.

[0009] Preferably, the heat exchanger body is slidably arranged on the evaporator structure through a sliding assembly.

[0010] Preferably, the sliding assembly comprises a sliding driving structure, a sliding pulley and a sliding guide rail, the sliding guide rail is arranged on the evaporator structure, the sliding pulley is arranged on the heat exchanger body, and the sliding driving structure is used to drive the heat exchanger body to slide on the evaporator structure along the sliding guide rail.

[0011] Preferably, the sliding driving structure comprises a driving motor, a wire pulley and a steel wire cable, the first end of the steel wire cable is connected with the heat exchanger body, and the second end of the steel wire cable is connected with the driving motor through the wire pulley.

[0012] Preferably, the heat exchanger body is provided with sealing baffles on both sides, and elastic members are arranged between the sealing baffles and the heat exchanger body, and the steel wire cable is connected between the two sealing baffles of the heat exchanger body.

[0013] Preferably, the evaporator structure is further provided with a locking structure for locking the sliding pulley.

[0014] Preferably, the heat exchanger body comprises two heat exchanger parts, and the first ends of the two heat exchanger parts are hingedly connected; and the second ends of the two heat exchanger parts are connected with the evaporator structure.

[0015] Preferably, the evaporator structure comprises two frame bodies and two frame sealing plates.

[0016] The two frame bodies are arranged in a V-shaped structure, and the two frame sealing plates are sealed on the front and rear sides of the two frame bodies; and the second ends of the two heat exchanger parts are movably arranged between the two frame sealing plates.

[0017] And / or, at least one of the evaporator bodies comprises an evaporator part arranged on the two frame bodies.

[0018] Preferably, the evaporator body is provided with three groups.

[0019] Preferably, the heat exchanger body is connected with a first cooling unit, and at least one of the evaporator bodies is connected with a second cooling unit.

[0020] A computer room air conditioner comprises the evaporator assembly as described above.

[0021] A computer room air conditioner control method adopts the computer room air conditioner as described above, and the control method comprises the following steps:

[0022] Obtaining demand change information;

[0023] According to the demand change information, the heat exchanger body is controlled to move on the evaporator structure so that the incoming air is heat-exchanged with the heat exchanger body; or the incoming air is heat-exchanged with the heat exchanger body and at least one of the evaporator bodies.

[0024] The beneficial effects of the present application are: the evaporator assembly, the machine room air conditioner and the control method thereof provided by the present application, comprising a heat exchanger body and an evaporator structure, the heat exchanger body is movably arranged on the evaporator structure, so that the heat exchanger body can be arranged on the air outlet, and the incoming air is heat-exchanged through the heat exchanger body; or the heat exchanger body and at least one evaporator body are arranged on the air outlet, and the incoming air is heat-exchanged through the heat exchanger body and at least one evaporator body, so that the machine room air conditioner can select heat exchange of the heat exchanger body or simultaneous heat exchange of the heat exchanger body and at least one evaporator body, and the appropriate number of evaporator bodies can be selected according to actual needs, so as to reduce the number of evaporators working under low load, thereby reducing the refrigerating capacity of the whole machine and reducing power consumption; the situation that the room temperature can only be maintained by frequently starting and stopping the compressor under low load is avoided, and the energy consumption of the air conditioner is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0026] Figure 1 is an exploded view of the evaporator assembly of the present application;

[0027] Figure 2 is an exploded view of the heat exchanger body of the present application;

[0028] Figure 3 is a side view of the heat exchanger body of the present application;

[0029] Figure 4 is a partial structure diagram of the sliding assembly of the heat exchanger body of the present application;

[0030] Figure 5 is a structure diagram of the heat exchanger body when the steel wire pull rope is tightened;

[0031] Figure 6 is a structure diagram of the heat exchanger body when the steel wire pull rope is loosened;

[0032] Figure 7 is a working state diagram (one) of the evaporator body of the present application;

[0033] Figure 8 is a working state diagram (two) of the evaporator body of the present application;

[0034] Figure 9 is a working state diagram (three) of the evaporator body of the present application;

[0035] Figure 10 is the working state diagram (four) of the evaporator body of the present application;

[0036] Figure 11 is the system schematic diagram of the evaporator structure of the machine room air conditioner of the present application;

[0037] Figure 12 is the system schematic diagram of the heat exchanger body of the machine room air conditioner of the present application;

[0038] Figure 13 is the structure schematic diagram of the heat exchanger body when disassembled.

[0039] In the figure:

[0040] 100, shell; 200, heat exchanger body; 300, evaporator structure;

[0041] 110, air inlet; 120, air outlet; 130, fan assembly;

[0042] 210, heat exchanger sub-body; 220, rubber block; 230, sealing baffle; 240, elastic member; 250, hose;

[0043] 310, frame body; 320, frame sealing plate; 330, evaporator body; 340, sliding assembly;

[0044] 331, evaporator sub-body;

[0045] 341, driving motor; 342, wire pulley; 343, steel wire pull rope; 344, sliding pulley; 345, sliding guide rail; 346, locking structure. DETAILED DESCRIPTION

[0046] The following can be referred to the accompanying drawings Figures 1-13and the text content to understand the content of the present application and the difference between the present application and the prior art. The technical solutions of the present application (including the preferred technical solutions) are further described in detail below by means of the accompanying drawings and by listing some optional embodiments of the present application. It should be noted that any technical feature or any technical solution in the present embodiment is one or several of a plurality of optional technical features or optional technical solutions. In order to describe simply, all the alternative technical features and alternative technical solutions of the present application cannot be listed in the present document, and it is not convenient to emphasize that the implementation mode of each technical feature is one of the optional implementation modes. Therefore, the person skilled in the art should know that any technical means provided by the present application can be replaced, or any two or more technical means or technical features provided by the present application can be combined to obtain a new technical solution. Any technical feature and any technical solution in the present embodiment do not limit the protection scope of the present application, and the protection scope of the present application should include any alternative technical solution that can be thought of by the person skilled in the art without creative labor and the new technical solution obtained by the person skilled in the art by combining any two or more technical means or technical features provided by the present application.

[0047] In the description of the present application, it should be noted that, unless otherwise specified, the meaning of "a plurality of" is two or more than two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0048] In the description of the present application, it should also be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0049] The present application provides an evaporator assembly for reducing energy consumption of an air conditioner, a machine room air conditioner and a control method thereof.

[0050] The following will be described in combination with Figures 1-13 The technical solutions provided by the present application are described in more detail.

[0051] The application provides an evaporator assembly, comprising:

[0052] The heat exchanger body 200 and the evaporator structure 300, the evaporator structure 300 comprising at least one evaporator body 330, the heat exchanger body 200 being movably arranged on the evaporator structure 300 so that the heat exchanger body 200 is arranged on the air outlet 120, and the incoming air is heat-exchanged through the heat exchanger body 200.

[0053] Or, the heat exchanger body 200 and the at least one evaporator body 330 are arranged on the air outlet 120, and the incoming air is heat-exchanged through the heat exchanger body 200 and the at least one evaporator body 330.

[0054] The evaporator assembly provided by the application comprises a heat exchanger body 200 and an evaporator structure 300, the heat exchanger body 200 being movably arranged on the evaporator structure 300 so that the heat exchanger body 200 is arranged on the air outlet 120, and the incoming air is heat-exchanged through the heat exchanger body 200; or, the heat exchanger body 200 and the at least one evaporator body 330 are arranged on the air outlet 120, and the incoming air is heat-exchanged through the heat exchanger body 200 and the at least one evaporator body 330, so that the machine room air conditioner can select the heat exchanger body 200 for heat exchange or select the heat exchanger body 200 and the at least one evaporator body 330 for simultaneous heat exchange, and the appropriate number of evaporator bodies 330 can be selected according to actual needs to reduce the number of evaporators working under low load, thereby reducing the refrigerating capacity of the whole machine and reducing power consumption; the situation that the room temperature can only be maintained by frequently starting and stopping the compressor of the whole machine under low load is avoided, and the energy consumption of the air conditioner is reduced.

[0055] In addition, the heat exchanger body 200 can be movably arranged on the evaporator structure 300, so that the heat exchanger body 200 and the evaporator body 330 form an adjustable layout, the space occupied by the evaporator assembly is greatly reduced, the structure of the evaporator assembly is more compact, and the area occupied by the machine room air conditioner is reduced.

[0056] It can be understood that the evaporator assembly provided by the present application is arranged on the air outlet 120, the heat exchanger body 200 can cover the air outlet 120, and when heat exchange is performed through the heat exchanger body 200, refrigeration or heating can be realized; when the load is high, the position of the heat exchanger body 200 on the evaporator structure 300 can be moved, so that the heat exchanger body 200 and at least one evaporator body 330 cover the air outlet 120 at the same time, at this time, the air inlet can be simultaneously heat-exchanged through the heat exchanger body 200 and the at least one evaporator body 330, the heat exchange amount and the heat exchange area are increased, thereby meeting the high-load requirement; when the load is low, the position of the heat exchanger body 200 on the evaporator structure 300 can be moved, so that the heat exchanger body 200 alone performs refrigeration or heating, or the number of evaporator bodies 330 is reduced, thereby reducing the heat exchange amount and the heat exchange area, and meeting the low-load requirement.

[0057] It should be noted that in some embodiments, the heat exchanger body 200 is connected with a first cooling unit, and the at least one evaporator body 330 is connected with a second cooling unit, the first cooling unit is used to provide refrigerant to the heat exchanger body 200, and the second cooling unit is used to provide refrigerant to the at least one evaporator body 330; when the load is high, the first cooling unit and the second cooling unit work at the same time, and when the second cooling unit works, the number of evaporator bodies 330 can be selected according to requirements; when the load is low and the room temperature needs to be maintained, only the first cooling unit needs to work, and the room temperature maintenance is completed through heat exchange of the heat exchanger body 200, thereby greatly reducing the air conditioner internal consumption.

[0058] In some embodiments of the present application, the heat exchanger body 200 is slidably arranged on the evaporator structure 300 through a sliding assembly 340. The heat exchanger body 200 is slidably arranged on the evaporator structure 300, so that the switching of the heat exchanger body 200 and the evaporator body 330 can be more quickly and efficiently completed.

[0059] In some embodiments of the present application, the sliding assembly 340 includes a sliding driving structure, a sliding pulley 344 and a sliding guide rail 345, the sliding guide rail 345 is arranged on the evaporator structure 300, the sliding pulley 344 is arranged on the heat exchanger body 200, and the sliding driving structure is used to drive the heat exchanger body 200 to slide along the sliding guide rail 345 on the evaporator structure 300.

[0060] In some embodiments of the present application, the sliding assembly 340 comprises a sliding pulley 344 and a sliding guide rail 345, the sliding guide rail 345 is arranged on the evaporator structure 300, the sliding pulley 344 is arranged on the heat exchanger body 200, the sliding driving structure drives the sliding pulley 344 on the heat exchanger body 200 to slide along the sliding guide rail 345, so as to adjust the position of the heat exchanger body 200 on the evaporator structure 300, through the cooperation of the sliding pulley 344 and the sliding guide rail 345, the structure is simple, the sliding is smooth, and it is convenient to efficiently and quickly complete the reciprocating movement of the heat exchanger body 200.

[0061] In some embodiments of the present application, the sliding driving structure comprises a driving motor 341, a winding pulley 342 and a steel wire pull rope 343, the first end of the steel wire pull rope 343 is connected with the heat exchanger body 200, and the second end of the steel wire pull rope 343 passes through the winding pulley 342 and is connected with the driving motor 341.

[0062] In some embodiments of the present application, the sliding driving structure comprises a driving motor 341, a winding pulley 342 and a steel wire pull rope 343, the driving motor 341 drives the heat exchanger body 200 to move through the steel wire pull rope 343, so that the heat exchanger body 200 slides on the evaporator structure 300.

[0063] In some embodiments of the present application, the heat exchanger body 200 is provided with sealing baffles 230 on both sides, elastic members 240 are arranged between the sealing baffles 230 and the heat exchanger body 200, and the steel wire pull rope 343 is connected between the two sealing baffles 230 of the heat exchanger body 200.

[0064] In some embodiments of the present application, the sealing baffle 230 is arranged on both sides of the heat exchanger body 200, and an elastic member 240 is arranged between the sealing baffle 230 and the heat exchanger body 200, so that the sealing baffle 230 can move close to or away from the heat exchanger body 200; the steel wire rope 343 is connected between the two sealing baffles 230 of the heat exchanger body 200, when the steel wire rope 343 pulls the sealing baffle 230 under the drive of the driving motor 341, the sealing baffle 230 will press the elastic member 240, so that the elastic member 240 is compressed, thereby reducing the distance between the two sealing baffles 230, thereby providing a moving gap for the movement of the heat exchanger body 200, reducing the friction between the two sides of the heat exchanger body 200 and the evaporator structure 300. When the steel wire rope 343 is not driven by the driving motor 341, the two sealing baffles 230 will move to both sides under the elastic force of the elastic member 240, thereby ensuring that the heat exchanger body 200 and the evaporator structure 300 have a good sealing structure, avoiding air leakage, so as to ensure that all the incoming air can be discharged from the air outlet 120 after being heated by the heat exchanger body 200 or the evaporator body 330.

[0065] It can be understood that the sealing baffle 230 is a U-shaped structure, the sealing baffle 230 is arranged on both sides of the heat exchanger body 200, and an elastic member 240 is arranged between the sealing baffle 230 and the side wall of the heat exchanger body 200, the elastic member 240 is preferably a spring, and the elasticity is good enough to drive the sealing baffle 230 to be away from the heat exchanger body 200. When the rope pulls the sealing baffle 230, the sealing baffle 230 will move towards the heat exchanger body 200.

[0066] In some embodiments of the present application, the evaporator structure 300 is further provided with a locking structure 346 for locking the sliding pulley 344.

[0067] In some embodiments of the present application, the locking structure 346 is arranged on the evaporator structure to lock the sliding pulley 344, that is, when the sliding pulley 344 is slid to a specified position along the sliding guide rail 345, the locking structure 346 can lock the position of the sliding pulley 344 on the sliding guide rail 345, so as to ensure that the heat exchanger body 200 can be stably positioned at the specified position; when it is needed to move the heat exchanger body 200, the locking structure 346 can be opened to move the heat exchanger body 200.

[0068] It can be understood that when the heat exchanger body 200 is provided with a plurality of heat exchanger parts 210, the heat exchanger body 200 can be moved between the plurality of heat exchanger bodies 200, and the locking structure 346 needs to be provided in plurality to ensure that the position of the heat exchanger body 200 on the evaporator structure 300 can be positioned.

[0069] In some embodiments of the present application, the heat exchanger body 200 includes two heat exchanger parts 210, and the first ends of the two heat exchanger parts 210 are hinged; the second ends of the two heat exchanger parts 210 are connected to the evaporator structure 300.

[0070] In some embodiments of the present application, the heat exchanger body 200 includes two heat exchanger parts 210, and the first ends of the two heat exchanger parts 210 are hinged to form a V-shaped structure; the second ends of the two heat exchanger parts 210 are connected to the evaporator structure 300; when the heat exchanger body 200 or the heat exchanger body 200 and at least the evaporator body 330 are arranged on the air outlet 120, the V-shaped structure can increase the heat exchange area and the heat exchange amount, thereby meeting the refrigeration / heating demand under low load or high load.

[0071] In some embodiments of the present application, the evaporator structure 300 includes two frame bodies 310 and two frame end plates 320;

[0072] The two frame bodies 310 are arranged in a V-shaped structure, and the two frame end plates 320 are closed on the front and rear sides of the two frame bodies 310; the second ends of the two heat exchanger parts 210 are movably arranged between the two frame end plates 320;

[0073] At least one evaporator body 330 includes an evaporator part 331 arranged on the two frame bodies 310.

[0074] In some embodiments of the present application, the evaporator structure 300 includes two frame bodies 310 and two frame end plates 320; the two frame bodies 310 are arranged in a V-shaped structure, and the two frame end plates 320 are closed on the front and rear sides of the two frame bodies 310 to form a closed triangular cross-section evaporator structure 300; the second ends of the two heat exchanger parts 210 are movably arranged between the two frame end plates 320; by driving the two heat exchanger parts 210 to move between the two frame end plates 320, the two heat exchanger parts 210 or the two heat exchanger parts 210 and at least two evaporator parts 331 can be arranged on the air outlet 120, thereby exchanging heat through the two heat exchanger parts 210 or exchanging heat through the two heat exchanger parts 210 and at least two evaporator parts 331, effectively ensuring the heat exchange area and the heat exchange efficiency.

[0075] It should be noted that the second end of the two heat exchanger bodies 210 is connected with the evaporator structure 300, when the evaporator body 330 is arranged on one side, the second end of one heat exchanger body 210 is hingedly connected with the evaporator structure 300, and the second end of the other heat exchanger body 210 is movably connected with the evaporator structure 300, so that the heat exchanger body 200 and the evaporator body 330 can be matched.

[0076] In some embodiments of the present application, the evaporator body 330 is provided with three groups.

[0077] In some embodiments of the present application, the heat exchanger body 200 is movably arranged between the three groups of evaporator bodies 330, and the heat exchanger body 200 can exchange heat alone; or the heat exchanger body 200 and one group of evaporator bodies 330 exchange heat together; or the heat exchanger body 200 and two groups of evaporator bodies 330 exchange heat together; or the heat exchanger body 200 and three groups of evaporator bodies 330 exchange heat together.

[0078] The present application also provides a computer room air conditioner comprising the evaporator assembly as described above.

[0079] The present application also provides a computer room air conditioner control method, which adopts the computer room air conditioner as described above, and the control method comprises the following steps:

[0080] Obtaining demand change information;

[0081] According to the demand change information, the heat exchanger body 200 is controlled to move on the evaporator structure 300, so that the incoming air exchanges heat with the heat exchanger body 200; or exchanges heat with the heat exchanger body 200 and at least one evaporator body 330.

[0082] Embodiment 1:

[0083] The evaporator assembly provided by the present application comprises an outer shell 100, the outer shell 100 is provided with an air inlet 110 and an air outlet 120, the outer shell 100 is provided with a heat exchanger body 200 and an evaporator structure 300, a fan assembly 130 is arranged on the outer shell 100 on the side of the air outlet 120, and the fan assembly 130 is used to make the incoming air exchange heat with the heat exchanger body 200 or the evaporator structure 300 and then discharged from the air outlet 120.

[0084] The evaporator structure 300 comprises two frame bodies 310 and two frame sealing plates 320; the two frame bodies 310 are arranged in a V-shaped structure, and the two frame sealing plates 320 are closed on the front and back sides of the two frame bodies 310; three evaporator sub-bodies 331 are arranged on the two frame bodies 310 respectively, the three evaporator sub-bodies 331 are symmetrically arranged, and two oppositely arranged evaporator sub-bodies 331 form an evaporator main body 330, and three evaporator main bodies 330 are connected in parallel on a second cooling unit through a four-way valve, and the second cooling unit can provide refrigerant to the three evaporator main bodies 330.

[0085] The heat exchanger main body 200 comprises two heat exchanger sub-bodies 210, the first ends of the two heat exchanger sub-bodies 210 are hingedly connected, and a rubber block 220 for reducing air leakage is arranged at the hingedly connected position of the two heat exchanger sub-bodies 210; the second ends of the two heat exchanger sub-bodies 210 are slidably arranged between the two frame sealing plates 320 through a sliding assembly 340.

[0086] The two heat exchanger sub-bodies 210 are connected in series on a first cooling unit through a hose 250, and the first cooling unit is used to provide refrigerant to the two heat exchanger sub-bodies 210.

[0087] Further, the two sides of the heat exchanger sub-body 210 are provided with sealing baffle plates 230, elastic members 240 are arranged between the sealing baffle plates 230 and the heat exchanger sub-body 210, and a steel wire pull rope 343 is connected between the two sealing baffle plates 230 of the heat exchanger sub-body 210.

[0088] Further, the sliding assembly 340 comprises a sliding driving structure, a sliding pulley 344 and a sliding guide rail 345, the sliding guide rail 345 is arranged on the frame sealing plate 320, the sliding pulley 344 is arranged on the heat exchanger sub-body 210, and the sliding driving structure is used to drive the second end of the heat exchanger sub-body 210 to slide along the sliding guide rail 345 between the two frame sealing plates 320.

[0089] The sliding driving structure comprises a driving motor 341, a winding pulley 342 and a steel wire pull rope 343, the first end of the steel wire pull rope 343 is connected with the sealing baffle plates 230 on the two sides of the heat exchanger sub-body 210, and the second end of the steel wire pull rope 343 passes through the winding pulley 342 and is connected with the driving motor 341.

[0090] Still further, the two frame sealing plates 320 are provided with a locking structure 346 for locking the sliding pulley 344. The locking structure 346 is an electric locking.

[0091] The application also provides a machine room air conditioner comprising the evaporator assembly as described above.

[0092] The application also provides a control method of the machine room air conditioner, which comprises the following steps:

[0093] obtaining demand change information;

[0094] controlling the heat exchanger body 200 to move on the evaporator structure 300 according to the demand change information, so that the incoming air is heat-exchanged with the heat exchanger body 200 or heat-exchanged with the heat exchanger body 200 and at least one evaporator body 330.

[0095] Further, the demand change information is low load switching to high load, high load switching to low load, maintaining room temperature, rapid heating, rapid cooling, etc.

[0096] When the evaporator assembly works, the locking structure 346 is in the locking state, the sliding pulley 344 is fixed at a specified position in the sliding guide rail 345, and the two ends of the two heat exchanger bodies 210 are close to the two frame bodies 310 under the action of gravity; at this time, the steel wire pull rope 343 is in a relaxed state, and the sealing baffle 230 is close to the two frame sealing plates 320 under the action of the elastic member 240.

[0097] When it is necessary to adjust the working state, the driving motor 341 drives the steel wire pull rope 343 to be tight, the elastic members 240 on the front and back sides of the heat exchanger body 200 are compressed, the sealing baffle 230 moves close to the two sides of the heat exchanger body 210, and there is a moving gap between the heat exchanger body 200 and the frame sealing plate 320.

[0098] Under the pulling of the steel wire pull rope 343, the heat exchanger body 200 is slowly lifted, at this time, the locking structure 346 can be opened according to the need, so that the heat exchanger body 200 moves to the set position along the sliding guide rail 345, the locking structure 346 is locked at the position of the sliding pulley 344, after the locking is completed, the steel wire pull rope 343 slowly becomes a relaxed state, the two ends of the heat exchanger body 200 are close to the frame body 310, the sealing baffles 230 on the two sides of the heat exchanger body 210 are close to the frame sealing plate 320, and the adjustment is completed, correspondingly, at this time, the second cooling unit can be started and used to provide refrigerant for the evaporator body 330.

[0099] In addition, it should be noted that the heat exchanger body 200 is slidably arranged on the evaporator structure 300, the heat exchanger body 200 can be pulled out through the steel wire pull rope 343, so as to replace the heat exchanger body 200 or replace the evaporator structure 300, which facilitates maintenance and repair, and improves the maintainability and reliability of the machine room air conditioner.

[0100] In the description of the specification, reference to terms such as "the example", "an embodiment", or "some embodiments" or the like is meant to refer to specific features, structures, materials, or characteristics that are included in at least one embodiment of the present application. Descriptions of the above terms are illustrative and are not necessarily meant to refer to the same embodiment or example. Also, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.

[0101] Of course, the present application is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present application, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. An evaporator assembly characterized by, include: A heat exchanger body and an evaporator structure, wherein the evaporator structure includes at least one evaporator body; The heat exchanger body is movably disposed on the evaporator structure such that the heat exchanger body is placed on the air outlet and the incoming air passes through the heat exchanger body for heat exchange; or, the heat exchanger body and at least one of the evaporator bodies are disposed on the air outlet and the incoming air passes through the heat exchanger body and at least one of the evaporator bodies for heat exchange. The heat exchanger body includes two heat exchanger segments, the first ends of which are hinged together; the second ends of which are connected to the evaporator structure. The evaporator structure includes two main frame bodies and two frame sealing plates; The two frame bodies are arranged in a V-shape, and the two frame sealing plates are sealed on the front and rear sides of the two frame bodies; the second ends of the two heat exchanger splits can be movably arranged between the two frame sealing plates.

2. The evaporator assembly of claim 1, wherein, The heat exchanger body is slidably mounted on the evaporator structure via a sliding assembly.

3. The evaporator assembly of claim 2, wherein, The sliding assembly includes a sliding drive structure, a sliding pulley, and a sliding guide rail. The sliding guide rail is disposed on the evaporator structure, and the sliding pulley is disposed on the heat exchanger body. The sliding drive structure is used to drive the heat exchanger body to slide along the sliding guide rail on the evaporator structure.

4. The evaporator assembly of claim 3, wherein, The sliding drive structure includes a drive motor, a wound pulley, and a steel wire rope. The first end of the steel wire rope is connected to the heat exchanger body, and the second end of the steel wire rope passes through the wound pulley and is connected to the drive motor.

5. The evaporator assembly of claim 4, wherein, Sealing baffles are provided on both sides of the heat exchanger body, and an elastic element is provided between the sealing baffles and the heat exchanger body. The steel wire rope is connected between the two sealing baffles of the heat exchanger body.

6. The evaporator assembly of claim 3, wherein, The evaporator structure is also provided with a locking structure for locking the sliding pulley.

7. The evaporator assembly of claim 1, wherein, At least one of the evaporator bodies includes evaporator sections disposed on the two frame bodies.

8. The evaporator assembly of claim 7, wherein, The evaporator body is provided with at least two sets.

9. The evaporator assembly of claim 1, wherein, The heat exchanger body is connected to the first cooling unit, and at least one of the evaporator bodies is connected to the second cooling unit.

10. A machine room air conditioner characterized by, Includes the evaporator assembly as described in any one of claims 1-9.

11. A control method of a machine room air conditioner, characterized by, The control method for the computer room air conditioner as described in claim 10 includes the following steps: Obtain information on changes in demand; Based on the demand change information, the heat exchanger body is controlled to move onto the evaporator structure so that the incoming air exchanges heat through the heat exchanger body; or, the air exchanges heat through the heat exchanger body and at least one of the evaporator bodies.

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