CN215379627U - Cabinet-level refrigerating system - Google Patents
Cabinet-level refrigerating system Download PDFInfo
- Publication number
- CN215379627U CN215379627U CN202121475674.9U CN202121475674U CN215379627U CN 215379627 U CN215379627 U CN 215379627U CN 202121475674 U CN202121475674 U CN 202121475674U CN 215379627 U CN215379627 U CN 215379627U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- air
- indoor
- channel
- conditioning
- Prior art date
- 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.)
- Active
Links
Images
Abstract
The utility model provides a cabinet-level refrigerating system, which comprises: the first cabinet is internally provided with a first cold channel, a first hot channel, a first air return channel communicated with the first hot channel and a first installation position, and equipment for communicating the first cold channel with the first hot channel is arranged on the first installation position; machine in air conditioning, locate the preceding cabinet door of first rack on, include: a casing having an indoor air outlet and an indoor air return inlet formed therein and an indoor air chamber formed therein; the indoor heat exchanger divides the indoor air cavity into a high-temperature air cavity and a low-temperature air cavity, the high-temperature air cavity is communicated with the first air return channel through an indoor air return opening, and the low-temperature air cavity is communicated with the first cold channel through an indoor air outlet; the indoor fan is arranged in the low-temperature air cavity; the indoor unit of the air conditioner is arranged on the front cabinet door of the first cabinet to form cabinet-level refrigeration, so that cooling capacity is completely applied to a heat source in the first cabinet, the environment outside the first cabinet is not required to be cooled, the loss of the cooling capacity is avoided, and the utilization rate of a refrigeration system is greatly improved.
Description
Technical Field
The utility model belongs to the field of cabinets, and particularly relates to a cabinet-level refrigerating system.
Background
At present, the country greatly promotes the construction of data center infrastructure, and the refrigeration of a data center machine room is always an important problem for the construction of the data center machine room. With the construction and development of a 5G network, equipment in a machine room has the characteristics of high power consumption and concentrated heat, and the traditional base station air conditioner can only realize room-level refrigeration, and the problems of serious cold waste and local overheating are easily caused due to the prior cooling of the equipment in an environment. The inter-row air conditioner can realize channel-level refrigeration, but the air conditioner needs to be provided with channels, end doors and other environmental conditions for matching with the refrigeration of the air conditioner, so that the refrigeration cost is increased, and the waste of space is caused to a certain extent. The utility model provides a cabinet-level refrigerating system, which aims to change the current situation that the space use and the refrigerating efficiency of the current data center are low, realize the quick deployment of the existing machine room, take the development needs of other high-power-consumption equipment into consideration in the future and realize the conversion of a refrigerating mode from a room level to a channel level and then to a cabinet level.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. For this purpose,
according to an embodiment of the present disclosure, there is provided a cabinet level refrigeration system including:
the first cabinet is internally provided with a first cold channel positioned at the front side of the first cabinet, a first hot channel positioned at the rear side of the first cabinet, a first air return channel positioned at the top of the first cabinet and communicated with the first hot channel, and a first installation position positioned below the first air return channel, the first installation position is provided with equipment for communicating the first cold channel with the first hot channel, and the first cabinet is provided with a front cabinet door positioned at the front side of the first cold channel;
machine and air condensing units in the air conditioning, the air condensing units is located outside the first rack, the machine is located in the air conditioning on the preceding cabinet door of first rack and the machine in the air conditioning with first rack one-to-one, the machine in the air conditioning includes:
a casing having an indoor air outlet and an indoor air return inlet formed therein and an indoor air chamber formed therein;
the indoor heat exchanger is arranged in the indoor air cavity and divides the indoor air cavity into a high-temperature air cavity and a low-temperature air cavity, the high-temperature air cavity is communicated with the first air return channel through the indoor air return opening, and the low-temperature air cavity is communicated with the first cold channel through the indoor air outlet;
and the indoor fan is arranged in the low-temperature air cavity and used for sending the air flow in the low-temperature air cavity into the first cold channel from the indoor air outlet.
The indoor air conditioner is installed on the front cabinet door of the first cabinet, so that the indoor air outlet is close to the first cabinet, near-end refrigeration is realized, cabinet-level refrigeration is formed, cooling capacity is enabled to be completely acted on a heat source in the first cabinet, the environment outside the first cabinet is not required to be cooled, the loss of refrigerating capacity is avoided, the utilization rate of a refrigerating system is greatly improved, the indoor air conditioner does not occupy the space in the first cabinet, and the utilization rate of the inner space of the first cabinet is greatly improved.
According to the embodiment of the disclosure, the air conditioner further comprises a second cabinet, the first cabinet and the second cabinet are provided with at least one and the second cabinet and the first cabinet are randomly arranged in a row, a second cold channel located at the front side of the second cabinet, a second hot channel located at the rear side of the second cabinet and a second installation position located between the second cold channel and the second hot channel are formed in the second cabinet, equipment for communicating the second cold channel with the second hot channel is arranged on the second installation position, the second cold channel of the second cabinet is communicated with the first cold channel of the first cabinet, the second hot channel of the second cabinet is communicated with the first hot channel of the first cabinet, so that low-temperature air in the first cabinet can enter the second cabinet, and high-temperature air in the second hot channel of the second cabinet enters the first hot channel of the first cabinet, then enter into the heat exchange with indoor heat exchanger in the high temperature wind cavity through the first return air passageway of first rack, realize the cold volume sharing between first rack and second rack, can improve refrigeration efficiency, greatly promoted the utilization ratio in the equipment space in the second rack simultaneously.
According to the embodiment of the disclosure, the air-conditioning indoor unit or the air-conditioning outdoor unit is provided with the electronic expansion valves, the number of the air-conditioning indoor units is at least two, one air-conditioning outdoor unit is connected with at least two air-conditioning indoor units, when the air-conditioning outdoor unit is provided with the electronic expansion valves, the number of the electronic expansion valves arranged on the air-conditioning outdoor unit is equal to that of the air-conditioning indoor units connected with the air-conditioning outdoor unit, one air-conditioning outdoor unit can be used for driving a plurality of air-conditioning indoor units, and the space utilization rate of a data center machine room can be effectively improved.
According to the embodiment of the disclosure, a temperature sensor is arranged in the first cabinet, a controller is arranged in the air-conditioning outdoor unit, the controller receives signals of the temperature sensor in the first cabinet and controls the valve opening degree of the electronic expansion valve corresponding to the air-conditioning indoor unit of the first cabinet and the on-off of the air-conditioning indoor unit of the first cabinet, so that the output cold quantity can be automatically adjusted according to the heating quantity condition in the first cabinet, the matching between the cold quantity and the heating quantity of equipment is ensured, the repeated start and stop of the air-conditioning indoor unit are avoided, and the energy saving performance of the system is improved.
According to the embodiment of the disclosure, the first cold channel of the first cabinet is communicated with the second cold channel of the second cabinet in whole or in part, and the first hot channel of the first cabinet is communicated with the second hot channel of the second cabinet wholly or partially, so that the heat dissipation effect can be improved, when one of the air-conditioning indoor units is in a shutdown emergency state, the adjacent cabinets can distribute low-temperature air flow to heating equipment in an emergency area for emergency heat dissipation, high-temperature air flow in the emergency area can enter the adjacent air-conditioning indoor units through the adjacent air-conditioning return air inlets for heat exchange, so that when a single air-conditioning indoor unit is in a shutdown emergency state, the adjacent air-conditioning indoor units can realize mutual redundancy without independently performing redundancy setting on each air-conditioning indoor unit, the normal operation of equipment in a short time under an emergency state can be ensured, and sufficient time is provided for the emergency repair of the indoor unit of the air conditioner.
According to the embodiment of the disclosure, the first cabinet and the second cabinet are arranged at intervals, so that the cold energy generated by the indoor air conditioner can be uniformly distributed into the first cabinet and the second cabinet, and the problem of poor cooling effect caused by over concentration of the indoor air conditioner on a local second cabinet is avoided.
According to the embodiment of the disclosure, the air condensing units are provided with at least two adjacent air condensing units which are connected, the air condensing units are different, the problem that when one of the air condensing units breaks down, a cabinet in a certain area is concentrated and cannot be cooled can be avoided, normal operation of equipment in a short time in an emergency state can be ensured, and sufficient time is provided for rush repair of the air condensing units with problems.
According to the embodiment of the disclosure, the casing includes shell, protection network and return air inlet subassembly, the shell connect in just be located on the preceding cabinet door the outside of preceding cabinet door, the protection network connect in the shell inboard just is located the inboard of preceding cabinet door, the return air inlet subassembly connect in the inboard of shell just is located the protection network with indoor heat exchanger's top, the inner formation of return air subassembly indoor return air inlet, shell, indoor heat exchanger and return air inlet subassembly form high temperature air chamber, be formed with on the protection net indoor air outlet, return air inlet subassembly, indoor heat exchanger and protection network form low temperature air chamber, simple structure, the design of being convenient for, and can guarantee to form refrigeration cycle, guarantee the radiating normal clear of first cabinet.
According to this disclosed embodiment, indoor fan has at least two and vertical interval setting, can improve the cold wind volume of blowing to first cold aisle.
According to the embodiment of the disclosure, the indoor heat exchanger is vertically or obliquely arranged, so that the arrangement of the low-temperature air cavity and the high-temperature air cavity is suitable for the arrangement of the first air return channel in the first cabinet, and the normal operation of heat dissipation of the first cabinet is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic block diagram of a refrigeration system according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a cabinet according to an embodiment of the disclosure;
fig. 3 is a side cross-sectional view of a cabinet according to an embodiment of the present disclosure;
fig. 4 is a side, partial cross-sectional view of a cabinet according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram of a partial structure of a cabinet according to an embodiment of the present disclosure;
fig. 6 is a top cross-sectional view of a cabinet according to an embodiment of the present disclosure;
FIG. 7 is another schematic diagram of a refrigeration system according to an embodiment of the present disclosure;
FIG. 8 is a partial front elevational view of a refrigeration system according to an embodiment of the present disclosure;
FIG. 9 is a top plan view of a portion of a refrigeration system according to an embodiment of the present disclosure;
FIG. 10 is a top plan view of another partial configuration of a refrigeration system according to an embodiment of the present disclosure;
FIG. 11 is another schematic diagram of a refrigeration system according to an embodiment of the present disclosure;
FIG. 12 is a top plan view of another partial configuration of a refrigeration system according to an embodiment of the present disclosure;
FIG. 13 is another schematic diagram of a refrigeration system according to an embodiment of the present disclosure;
fig. 14 is a top view of another partial structure of a refrigeration system according to an embodiment of the present disclosure.
In the above figures: a cabinet 1; a cold aisle 11; a hot channel 12; an air return channel 13; a mounting location 14; a front cabinet door 15; an indoor air-conditioning unit 2; a housing 21; a housing 201; a protection net 202; a return air opening assembly 203; an indoor air outlet 211; an indoor return air inlet 212; an indoor air chamber 213; a low temperature air cavity 2131; a high temperature air cavity 2132; an indoor heat exchanger 22; an indoor fan 23; an air outlet grille 24; an air conditioner outdoor unit 3; an outdoor fan 31; a compressor 32; a second cabinet 4; a second cold aisle 41; a second thermal pathway 42; a second mounting location 43.
Detailed Description
The utility model is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
The present invention provides a cabinet-level refrigeration system, which is described below with reference to fig. 1-14, fig. 1 is a schematic structural diagram of a refrigeration system according to an embodiment of the present disclosure; wherein the direction of the arrows in fig. 7 and 14 is the direction of flow of the air stream.
Referring to fig. 1 to 6, the cabinet-level refrigeration system includes a first cabinet 1, where the first cabinet 1 has at least one, a first cold channel 11 located at a front side of the first cabinet, a first hot channel 12 located at a rear side of the first cabinet, a first return air channel 13 located at a top of the first cabinet and communicated with the first hot channel, and a first installation location 14 located below the first return air channel, where equipment for communicating the first cold channel with the first hot channel is provided on the first installation location, and the first installation location may have a plurality of first installation locations arranged longitudinally, where the first installation location is a U location.
Referring to fig. 2, the first cabinet also has a front cabinet door 15 located at the front side of the first cold aisle. The first cabinet can also be provided with a rear cabinet door, a side plate, a top plate and a bottom plate, and a sealed space is formed in the first cabinet.
Referring to fig. 7, the cabinet-level refrigeration system further includes an indoor air conditioner 2 and an outdoor air conditioner 3, where the indoor air conditioner and the outdoor air conditioner are at least one, the outdoor air conditioner is located outside the first cabinet, the indoor air conditioner is located on a front cabinet door 15 of the first cabinet, the indoor air conditioner and the first cabinet are in one-to-one correspondence, and the indoor air conditioner and the front cabinet door of the first cabinet are connected in a sealing manner so that the first cabinet is sealed.
The air-conditioning indoor unit is arranged on the front cabinet door of the first cabinet, so that the air-conditioning indoor unit does not occupy the space in the first cabinet, and the utilization rate of the space in the first cabinet is greatly improved.
The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged. The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process. The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant.
The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit of the air conditioner or the outdoor unit of the air conditioner.
The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the indoor unit of the air conditioner can produce heat, and when the indoor heat exchanger is used as an evaporator, the indoor unit of the air conditioner can produce cold.
Referring to fig. 3, the indoor unit of the air conditioner includes a cabinet 21, the cabinet 21 is coupled to a front cabinet door of the first cabinet, an indoor air outlet 211 and an indoor air return 212 are formed in the cabinet, and an indoor air chamber 213 is formed in the indoor unit of the air conditioner. Specifically, the indoor air outlet is located on the inner side of the indoor unit of the air conditioner and faces the first cold channel 11.
Referring to fig. 3-4, the indoor unit of the air conditioner further includes an indoor heat exchanger 22, where the indoor heat exchanger is disposed in the indoor air cavity 213 for exchanging heat with air in the indoor air cavity, the indoor heat exchanger divides the indoor air cavity into a high temperature air cavity 2132 and a low temperature air cavity 2131, the high temperature air cavity is communicated with the first air return channel through the indoor air return opening, and the low temperature air cavity is communicated with the first cold channel through the indoor air outlet.
The indoor heat exchanger can be vertically arranged or obliquely arranged, the arrangement of the low-temperature air cavity and the high-temperature air cavity can be guaranteed, the arrangement of the first air return channel in the first cabinet is suitable, and the normal operation of heat dissipation of the first cabinet is guaranteed. The indoor heat exchanger can be a parallel flow heat exchanger or a copper pipe aluminum fin and other heat exchangers.
Referring to fig. 3 to 4, the indoor unit of the air conditioner further includes an indoor fan 23, where the indoor fan is disposed in the low temperature air cavity 2131, and the indoor fan is configured to send the air flow in the low temperature air cavity into the first cold air channel from the indoor air outlet. Wherein, indoor fan has at least one, and indoor fan can have at least two certainly, and when indoor fan had at least two, indoor fan vertically spaced apart sets up, can improve the cold wind volume of blowing to first cold aisle. The indoor unit of the air conditioner can be an axial flow fan or a centrifugal fan.
Referring to fig. 4-5, the casing 21 includes a housing 201, a protection net 202 and a return air inlet assembly 203, wherein the housing 201 is connected to a front cabinet door of the first cabinet and located outside the front cabinet door of the first cabinet, the protection net 202 is connected to an inner side of the housing and located inside the front cabinet door of the first cabinet, the return air inlet assembly 203 is connected to an inner side of the housing and located above the protection net and the indoor heat exchanger, an indoor return air inlet is formed at an inner end of the return air assembly, the housing, the indoor heat exchanger and the return air inlet assembly form a high-temperature air chamber, the return air inlet assembly, the indoor heat exchanger and the protection net form a low-temperature air chamber, an indoor air outlet is formed on the protection net, the protection net further plays a role of protecting an indoor fan, the structure is simple, the design is convenient, the formation of a refrigeration cycle can be ensured, and the normal operation of heat dissipation of the first cabinet is ensured.
The return air inlet component forms an indoor return air inlet and is in sealing connection with the first return air channel, and the first return air channel is prevented from being communicated with the first cold channel.
When the air conditioner indoor unit and the outdoor unit of an air conditioner are started, the indoor fan rotates to enable the shell to form a negative pressure cavity, the first cabinet forms a positive pressure cavity, high-temperature gas in the first cabinet enters the high-temperature air cavity through a first air return channel connected with the top of the first cabinet and an indoor air return opening, the high-temperature gas becomes low-temperature gas after being subjected to heat exchange of the indoor heat exchanger, the low-temperature gas enters the first cold channel in the first cabinet through the indoor fan, the low-temperature gas cools and cools equipment and then becomes high-temperature gas again, the low-temperature gas enters the shell through the indoor air return opening to form unidirectional closed circulation of airflow, and equipment cooling is achieved.
The indoor air conditioner is installed on the front cabinet door of the first cabinet, so that the indoor air outlet is close to the first cabinet, near-end refrigeration is realized, cabinet-level refrigeration is formed, cooling capacity is enabled to be completely acted on a heat source in the first cabinet, the environment outside the first cabinet is not required to be cooled, the loss of refrigerating capacity is avoided, the utilization rate of a refrigerating system is greatly improved, the indoor air conditioner does not occupy the space in the first cabinet, and the utilization rate of the inner space of the first cabinet is greatly improved.
Referring to fig. 8-14, the cabinet-level refrigeration system further includes a second cabinet 4, where the first cabinet and the second cabinet are provided with at least one and the second cabinet and the first cabinet are randomly arranged in a row, a second cold channel 41 located at the front side of the second cabinet, a second hot channel 42 located at the rear side of the second cabinet, and a second installation site 43 located between the second cold channel and the second hot channel are formed in the second cabinet 4, and a device for communicating the second cold channel with the second hot channel is provided on the second installation site, the second cold channel of the second cabinet is communicated with the first cold channel of the first cabinet, the second hot channel of the second cabinet is communicated with the first hot channel of the first cabinet, so that the low-temperature gas in the first cabinet can enter the second cabinet, and the high-temperature gas in the second hot channel of the second cabinet enters the first hot channel of the first cabinet, and then enters the high-temperature air cavity through the first return channel of the first cabinet to exchange heat with the indoor heat exchanger, the cold volume sharing between first rack and the second rack is realized, can improve refrigeration efficiency, has greatly promoted the utilization ratio in the interior equipment space of second rack simultaneously.
The first cold channel of the first cabinet is communicated with the second cold channel of the second cabinet completely or partially, the first hot channel of the first cabinet is communicated with the second hot channel of the second cabinet completely or partially, the heat dissipation effect can be improved, when one of the air-conditioning indoor units is in a downtime emergency state, the adjacent cabinets can distribute low-temperature air flow to heating equipment in an emergency area for emergency heat dissipation, high-temperature air flow in the emergency area can enter the adjacent air-conditioning indoor units through adjacent air-conditioning return air inlets for heat exchange, the adjacent air-conditioning indoor units can realize mutual redundancy when the single air-conditioning indoor unit is in the downtime emergency state, independent redundancy setting of each air-conditioning indoor unit is not needed, normal operation of equipment in a short time in the emergency state can be ensured, and enough time is provided for rush repair of the air-conditioning indoor units.
A first installation position at the top in the second cabinet can be provided with a second air return channel (not shown) without equipment to form the second cabinet, the second air return channel is communicated with the second hot channel and isolated from the second cold channel, and the second air return channel can be completely or partially communicated with the first air return channel.
Referring to fig. 8-13, the first cabinet and the second cabinet are spaced apart from each other, so that the cooling capacity generated by the indoor unit of the air conditioner can be uniformly distributed in the first cabinet and the second cabinet, and the problem of poor cooling effect caused by over concentration of the indoor unit of the air conditioner on a local second cabinet is avoided.
When only one air conditioner indoor unit is provided, one air conditioner outdoor unit is provided and connected with the air conditioner indoor unit, so that the normal work of the air conditioner indoor unit is ensured.
Referring to fig. 13, the air conditioning indoor units or the air conditioning outdoor units have electronic expansion valves (not shown), when there are at least two air conditioning indoor units, there is at least one air conditioning outdoor unit, and one air conditioning outdoor unit is connected to at least two air conditioning indoor units, and when there are electronic expansion valves, the number of the electronic expansion valves of the air conditioning outdoor unit is equal to the number of the air conditioning indoor units connected to the air conditioning outdoor unit, so that one air conditioning outdoor unit can serve multiple air conditioning indoor units, and the space utilization rate of the data center room can be effectively improved.
When one air conditioner outdoor unit is connected with at least two air conditioner indoor units, the number of the air conditioner indoor units can be at least two, and the number of the first cabinet and the second cabinet can be set as well as the communication conditions of the first cold channel, the second cold channel and the first hot channel and the second hot channel in the first cabinet and the second cabinet.
When the outdoor unit of the air conditioner drags a plurality of indoor units of the air conditioner, a first cold channel and a first hot channel between the first cabinet can be respectively communicated with all or part of the first cold channel, or the first cold channel of the first cabinet is communicated with all or part of the second cold channel of the second cabinet, and the first hot channel of the first cabinet is communicated with all or part of the second hot channel of the second cabinet, if a single indoor unit of the air conditioner is in a breakdown emergency state, the adjacent cabinet can distribute low-temperature air flow to heating equipment in an emergency area for emergency heat dissipation, high-temperature air flow in the emergency area can enter the adjacent indoor unit of the air conditioner for heat exchange through the return air inlet of the adjacent air conditioner, and cold quantity intercommunication ensures that when the single indoor unit of the air conditioner is in the breakdown emergency state, the adjacent indoor units of the air conditioner can realize mutual redundancy without independently carrying out redundancy setting on each indoor unit of the air conditioner, the normal operation of equipment in a short time under an emergency state can be ensured, and sufficient time is provided for the emergency repair of the indoor unit of the air conditioner.
A temperature sensor (not shown) is arranged in the first cabinet, a controller (not shown) is arranged in the air conditioner outdoor unit, the controller receives temperature parameters of the temperature sensor in the first cabinet and controls the valve opening degree of the electronic expansion valve corresponding to the air conditioner indoor unit of the first cabinet, and the controller receives the temperature parameters of the temperature sensor in the first cabinet and controls the on-off of the air conditioner indoor unit of the first cabinet. The output cold quantity can be automatically adjusted according to the heating quantity condition in the first cabinet, the match between the cold quantity and the heating quantity of equipment is ensured, the repeated starting and stopping of the indoor unit of the air conditioner are avoided, and the energy saving performance of the system is improved. The outdoor unit of the air conditioner further includes an outdoor fan 31 and a compressor 32.
The air conditioner outdoor units can be at least two, the air conditioner outdoor units connected with the two adjacent air conditioner indoor units can be different, cabinet concentration in a certain area caused by the failure of one of the air conditioner outdoor units can be avoided, the normal operation of equipment in a short time in an emergency state can be ensured, and sufficient time is provided for the emergency repair of the air conditioner outdoor unit with problems.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A cabinet level refrigeration system, comprising:
the first cabinet is internally provided with a first cold channel positioned at the front side of the first cabinet, a first hot channel positioned at the rear side of the first cabinet, a first air return channel positioned at the top of the first cabinet and communicated with the first hot channel, and a first installation position positioned below the first air return channel, the first installation position is provided with equipment for communicating the first cold channel with the first hot channel, and the first cabinet is provided with a front cabinet door positioned at the front side of the first cold channel;
machine and air condensing units in the air conditioning, the air condensing units is located outside the first rack, the machine is located in the air conditioning on the preceding cabinet door of first rack and the machine in the air conditioning with first rack one-to-one, the machine in the air conditioning includes:
a casing having an indoor air outlet and an indoor air return inlet formed therein and an indoor air chamber formed therein;
the indoor heat exchanger is arranged in the indoor air cavity and divides the indoor air cavity into a high-temperature air cavity and a low-temperature air cavity, the high-temperature air cavity is communicated with the first air return channel through the indoor air return opening, and the low-temperature air cavity is communicated with the first cold channel through the indoor air outlet;
and the indoor fan is arranged in the low-temperature air cavity and used for sending the air flow in the low-temperature air cavity into the first cold channel from the indoor air outlet.
2. The cabinet-level cooling system of claim 1, further comprising a second cabinet, wherein the first cabinet and the second cabinet are provided with at least one and the second cabinet and the first cabinet are randomly arranged in a row, a second cold channel located at the front side of the second cabinet, a second hot channel located at the rear side of the second cabinet and a second installation position located between the second cold channel and the second hot channel are formed in the second cabinet, equipment for communicating the second cold channel with the second hot channel is arranged on the second installation position, the second cold channel of the second cabinet is communicated with the first cold channel of the first cabinet, and the second hot channel of the second cabinet is communicated with the first hot channel of the first cabinet.
3. The cabinet-level cooling system according to claim 1 or 2, wherein the indoor air-conditioning units or the outdoor air-conditioning units have electronic expansion valves, and the number of the electronic expansion valves of the outdoor air-conditioning units is equal to the number of the indoor air-conditioning units connected thereto, when the outdoor air-conditioning units have the electronic expansion valves, one of the indoor air-conditioning units is connected to at least two of the indoor air-conditioning units.
4. The cabinet-level cooling system of claim 3, wherein a temperature sensor is disposed in the first cabinet, and a controller is disposed in the air-conditioning outdoor unit, the controller receiving a signal from the temperature sensor in the first cabinet and controlling the valve opening of the electronic expansion valve corresponding to the air-conditioning indoor unit of the first cabinet and the on/off of the air-conditioning indoor unit of the first cabinet.
5. The cabinet-level refrigeration system of claim 2, wherein the first cold aisle of the first cabinet is in full or partial communication with the second cold aisle of the second cabinet, and the first hot aisle of the first cabinet is in full or partial communication with the second hot aisle of the second cabinet.
6. The cabinet level refrigeration system of claim 2, wherein the first cabinet is spaced apart from the second cabinet.
7. The cabinet-level cooling system of claim 3, wherein the outdoor units of at least two of the air conditioners are different from each other in a direction in which the adjacent two indoor units of the air conditioners are connected.
8. The cabinet-level refrigerating system of claim 1, wherein the casing comprises a casing, a protective screen and an air return opening assembly, the casing is connected to the front cabinet door and located on the outer side of the front cabinet door, the protective screen is connected to the inner side of the casing and located on the inner side of the front cabinet door, the air return opening assembly is connected to the inner side of the casing and located above the protective screen and the indoor heat exchanger, the indoor air return opening is formed at the inner end of the air return opening assembly, the casing, the indoor heat exchanger and the air return opening assembly form the high-temperature air cavity, the indoor air outlet is formed in the protective screen, and the low-temperature air cavity is formed by the air return opening assembly, the indoor heat exchanger and the protective screen.
9. The cabinet level refrigeration system of claim 1, wherein the indoor fans are at least two and longitudinally spaced apart.
10. The cabinet level refrigeration system of claim 1, wherein the indoor heat exchanger is vertically or obliquely positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121475674.9U CN215379627U (en) | 2021-06-30 | 2021-06-30 | Cabinet-level refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121475674.9U CN215379627U (en) | 2021-06-30 | 2021-06-30 | Cabinet-level refrigerating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215379627U true CN215379627U (en) | 2021-12-31 |
Family
ID=79606334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121475674.9U Active CN215379627U (en) | 2021-06-30 | 2021-06-30 | Cabinet-level refrigerating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215379627U (en) |
-
2021
- 2021-06-30 CN CN202121475674.9U patent/CN215379627U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101223837B (en) | Air conditioning system for communication equipment | |
| CN215597582U (en) | Room temperature regulating device | |
| CN216868675U (en) | Air conditioner | |
| CN106455440A (en) | Server cabinet with air conditioner | |
| CN215379627U (en) | Cabinet-level refrigerating system | |
| CN111457481A (en) | Outdoor machine of air conditioner | |
| CN213983805U (en) | Outdoor air conditioner | |
| CN213367622U (en) | Frequency converter and refrigerating system | |
| CN215832055U (en) | Indoor air processing system | |
| CN215723607U (en) | Cabinet-level refrigerating system | |
| CN213334680U (en) | Indoor unit of air conditioner | |
| CN209877180U (en) | Self-adaptive condensing device of double-loop heat pipe air conditioner | |
| CN112234803A (en) | Frequency converter, refrigeration system and control method thereof | |
| CN216844940U (en) | Data center heat exchange system based on multi-split air conditioner | |
| CN217503804U (en) | Indoor unit of air conditioner | |
| CN216852933U (en) | Air conditioning unit for data center | |
| CN210165478U (en) | Novel engineering window type air conditioning system | |
| CN215765514U (en) | Natural cooling air conditioner | |
| CN214536548U (en) | Air conditioner | |
| CN115548550A (en) | Outdoor integrated energy cabinet | |
| CN220041977U (en) | Air conditioner | |
| CN220042033U (en) | Air conditioner | |
| CN212463891U (en) | Cabinet and data machine room cooling system | |
| CN215490058U (en) | Air condensing units and air conditioner | |
| CN218627111U (en) | Full fresh air roof air conditioning unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |