WO2020125599A1 - 机柜 - Google Patents

机柜 Download PDF

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Publication number
WO2020125599A1
WO2020125599A1 PCT/CN2019/125823 CN2019125823W WO2020125599A1 WO 2020125599 A1 WO2020125599 A1 WO 2020125599A1 CN 2019125823 W CN2019125823 W CN 2019125823W WO 2020125599 A1 WO2020125599 A1 WO 2020125599A1
Authority
WO
WIPO (PCT)
Prior art keywords
temperature control
cabinet
air duct
control component
circulation air
Prior art date
Application number
PCT/CN2019/125823
Other languages
English (en)
French (fr)
Inventor
廉志晟
陈君
李泉明
王兴杰
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP19898423.9A priority Critical patent/EP3879949B1/en
Publication of WO2020125599A1 publication Critical patent/WO2020125599A1/zh
Priority to US17/353,133 priority patent/US20210315128A1/en

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/202—Air circulating in closed loop within enclosure wherein heat is removed through heat-exchangers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20209—Thermal management, e.g. fan control
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20536—Modifications to facilitate cooling, ventilating, or heating for racks or cabinets of standardised dimensions, e.g. electronic racks for aircraft or telecommunication equipment
    • H05K7/206—Air circulating in closed loop within cabinets wherein heat is removed through air-to-air heat-exchanger

Definitions

  • the present application relates to the cabinet field, and in particular to a cabinet with expandable heat dissipation capacity.
  • the outdoor cabinet is an outdoor cabinet.
  • Common outdoor cabinets include outdoor power cabinets and outdoor equipment cabinets.
  • the outdoor power cabinet and outdoor equipment cabinet have independent heat dissipation.
  • the system uses the heat dissipation system to dissipate the equipment in the cabinet to prevent the temperature of the equipment in the cabinet from being too high and affecting the working performance.
  • the heat dissipation method of outdoor cabinets often adopts two forms: one is a door-mounted temperature control form, and the other is a ceiling-mounted temperature control form, in which the door-positioned temperature control form is specifically to set the temperature control component on the cabinet door of the cabinet On the top, it does not occupy the space in the cabinet, so the utilization rate in the cabinet is high. Maintenance can be performed by opening the door during maintenance.
  • the form of overhead temperature control specifically sets the temperature control components on the top of the cabinet, and also does not occupy the space in the cabinet.
  • the temperature control component is an independent component that can actively control the temperature in the cabinet.
  • the commonly used temperature control components are heat exchangers, air conditioners or semiconductor refrigeration air conditioners (Thermoelectric Cooler, TEC).
  • the present application provides a cabinet, which avoids the waste of temperature control components, and at the same time achieves the purpose of expanding the heat dissipation capacity of the cabinet, thereby solving the waste of temperature control components and the cabinet caused by replacing the temperature control components when the heat dissipation capacity of the existing cabinet is insufficient The problem that the heat dissipation capacity cannot meet the upgrade requirements
  • the present application provides a cabinet, including: a cabinet body, the cabinet body is provided with a first-level temperature control component for controlling the temperature of the cabinet body, and the cabinet body is provided with at least one for the second A level temperature control component is connected to a temperature control expansion interface on the cabinet body, so that the second level temperature control component can be expandably arranged on the cabinet body.
  • the cabinet provided by the present application includes a cabinet body, the cabinet body is provided with a first-level temperature control component for controlling the temperature of the cabinet body, and the cabinet body is provided with at least one
  • the temperature control component is connected to the temperature control expansion interface on the cabinet body, so that when the heat dissipation capacity of the cabinet is insufficient, because the temperature control expansion interface is reserved on the cabinet body, the temperature control expansion interface can be directly on the cabinet body at this time.
  • set the second-level temperature control components to expand the temperature control components on the cabinet, so that the cabinet is upgraded from the first-level temperature control to the second-level temperature control.
  • the cabinet is between the first-level temperature control component and the second-level temperature control component. Under the action, the heat dissipation capacity of the cabinet is greatly improved.
  • the first-level temperature control component does not need to be replaced, and the temperature control expansion interface is directly on the cabinet. Expansion of the second-level temperature control components to achieve the purpose of expanding the temperature control components of the cabinet, thereby avoiding the problem of wasting the original temperature control components caused by replacing the temperature control components with larger volume and stronger heat dissipation in the prior art.
  • the second-level temperature control component can be connected through the reserved temperature control expansion interface, so that the temperature control capability of the cabinet is upgraded from the first-level temperature control to the second-level temperature control when the size of the cabinet body is unchanged.
  • the cabinet provided by this application achieves the purpose of expanding the temperature control components on the cabinet, and at the same time realizes the purpose of the heat dissipation capacity of the cabinet to meet the upgrade requirements, thereby solving the insufficient heat dissipation capacity of the existing cabinet When the temperature control components are replaced, the temperature control components are wasted and the heat dissipation capacity of the cabinet cannot meet the upgrade requirements.
  • the method further includes: the second-level temperature control component, the second-level temperature control component is provided on the cabinet body through the temperature control expansion interface, and the The second-level temperature control component and the first-level temperature control component form a circulating cooling air duct in the cabinet body.
  • the first-stage temperature control component is provided with a first inner circulation air channel and a first outer circulation air channel
  • the second-stage temperature control component is provided with a first Two inner circulation air ducts and a second outer circulation air duct, and the air inlets and air outlets of the first inner circulation air duct and the second inner circulation air duct are communicated with the internal space in the cabinet body to
  • the circulation cooling air duct is formed in the cabinet body, and the air inlets and air outlets of the first outer circulation air duct and the second outer circulation air duct are communicated with the outside of the cabinet body.
  • the first inner circulation air duct and the first outer circulation air duct are two air ducts with mutually opposite wind flow directions
  • the second inner circulation air duct and the first The two outer circulation air ducts are two air ducts with mutually reversing wind flow directions.
  • the first inner circulation air duct and the first outer circulation air duct are two air ducts with wind flow directions crossing, and the second inner circulation air duct and the second The outer circulation air ducts are two air ducts with wind flow direction crossing.
  • the first inner circulation air duct and the first outer circulation air duct are two air ducts with mutually opposite wind flow directions
  • the second inner circulation air duct and the first The two outer circulation air ducts are two air ducts with wind flow directions crossing, or
  • the first inner circulation air duct and the first outer circulation air duct are two air ducts with wind flow directions intersecting, and the second inner circulation air duct and the second outer circulation air duct are two wind flow directions with reciprocity Wind tunnel.
  • the cabinet body includes a cabinet body and a cabinet door, wherein the first-level temperature control component is provided on the cabinet body or the cabinet door, and the temperature The expansion-controlling interface is opened on the cabinet body or the cabinet door.
  • the first-level temperature control component is provided on the top of the cabinet body, and the temperature control expansion interface is provided on the cabinet door, so that the cabinet door
  • the second-stage temperature control component can be expanded on the expansion.
  • the first-level temperature control component is provided on the cabinet door, and the temperature control expansion interface is opened on the top end surface of the cabinet body, so that the The second-stage temperature control component can be expanded on the cabinet body.
  • the first-level temperature control component is provided on the top of the cabinet, and the second-level temperature control component is provided on the cabinet door, the first The air outlet of the inner circulation air duct is provided near the cabinet door, the air inlet of the first inner circulation air duct is provided near the rear side wall of the cabinet, and the air inlet of the second inner circulation air duct is close to the The air outlet of the first inner circulation air duct is provided, and the air outlet of the second inner circulation air duct is provided near the bottom end of the cabinet door, or,
  • the air outlet and the air inlet of the first inner circulation air duct are respectively arranged near two opposite inner side walls of the cabinet, and the air inlet of the second inner circulation air duct is close to the outlet of the first inner circulation air duct
  • the air outlet is provided, and the air outlet of the second inner circulation air duct is provided at an end of the cabinet door away from the air inlet of the second inner circulation air duct.
  • the first-level temperature control component is provided on the top of the cabinet, and the second-level temperature control component is provided on the cabinet door, the first The air outlet and air inlet of the outer circulation air duct are opened on the side or top surface of the first-stage temperature control component, and the air inlet and outlet of the second outer circulation air duct are opened on the cabinet door.
  • the first-level temperature control component is provided on the top of the cabinet, the second-level temperature control component is provided on the cabinet door, and the first The number of air inlets of the first outer circulation air duct of the first-level temperature control component is one or more, and the plurality of air inlets of the first outer circulation air duct are respectively located on the side of the first temperature control component and/or Top surface.
  • an inner circulation fan is provided at the air inlet of the first inner circulation air duct and the air inlet of the second inner circulation air duct;
  • the air inlet of the first outer circulation air channel and the air inlet of the second outer circulation air channel are provided with external circulation fans.
  • the method further includes: a cover plate, the cover plate is configured to cover the temperature when the second level temperature control component is not connected to the temperature control expansion interface The capacity expansion interface, so that the temperature expansion interface is in a closed state.
  • the cabinet is an outdoor cabinet or an indoor cabinet.
  • the first-level temperature control component and the second-level temperature control component are composed of one or more of a heat exchanger, an air conditioner, and a semiconductor refrigeration air conditioner Temperature control parts.
  • the method further includes: a noise reduction component, where the noise reduction component is provided on the second-level temperature control component.
  • FIG. 1A is a perspective schematic view of a cabinet provided in Embodiment 1 of the present application.
  • FIG. 1B is another schematic perspective view of the cabinet provided in Embodiment 1 of the present application.
  • FIG. 1C is a schematic diagram of a side cross-sectional structure of a cabinet provided in Example 1 of the present application;
  • FIG. 1D is a schematic structural diagram of the wind flow direction in the internal and external circulation air ducts in the temperature control component on the cabinet provided in Embodiment 1 of the present application;
  • FIG. 1D is a schematic structural diagram of the wind flow direction in the internal and external circulation air ducts in the temperature control component on the cabinet provided in Embodiment 1 of the present application;
  • FIG. 1E is another schematic structural diagram of the cabinet provided in Embodiment 1 of the present application.
  • FIG. 2 is a schematic structural view of the wind flow direction in the inner and outer circulation air ducts of the temperature control components in the front view of the cabinet provided in Embodiment 2 of the present application;
  • 3A is a schematic structural view of the wind flow direction in the inner and outer circulation air ducts of the temperature control components in the front view of the cabinet provided in Embodiment 3 of the present application;
  • 3B is another schematic structural diagram of the wind flow direction in the inner and outer circulation air ducts of the temperature control components in the front view of the cabinet provided in Embodiment 3 of the present application;
  • 3C is still another structural schematic diagram of the wind flow direction in the inner and outer circulation air ducts of the temperature control components in the front view of the cabinet provided in Embodiment 3 of the present application.
  • FIG. 1A is a perspective schematic view of a cabinet provided by Example 1 of the present application
  • FIG. 1B is another perspective schematic view of the cabinet provided by Example 1 of the present application
  • FIG. 1C is a schematic cross-sectional structural view of the cabinet provided by Example 1 of the present application
  • FIG. 1D is a schematic structural diagram of the wind flow direction in the internal and external circulation air ducts of the temperature control component on the cabinet provided in Embodiment 1 of the present application
  • FIG. 1E is another structural schematic diagram of the cabinet provided in Embodiment 1 of the present application.
  • the existing outdoor cabinets have the problems of waste of temperature control components and the inability to meet the requirements for upgrading the heat dissipation capacity.
  • the reason for this problem is that: in the form of door temperature control or overhead temperature control on the existing cabinet Once the heat dissipation capacity of the cabinet is insufficient, the original temperature control components can only be removed to make room for replacement of larger volume and more powerful temperature control components, but this causes waste of temperature control components, and with the With the increase of equipment power, the cabinet needs more power to dissipate heat, and the size of the cabinet is often fixed, and the temperature control capability will be limited.
  • the cabinet includes a cabinet body, and a first-level temperature control component 11 for controlling the temperature of the cabinet body is provided on the cabinet body, and the cabinet body At least one temperature control expansion interface 12 for connecting the second-level temperature control component 22 to the cabinet body is provided on the cabinet body, so that the second-level temperature control component 22 can be expanded and arranged on the cabinet body, that is, in this embodiment, the cabinet body
  • a first-level temperature control component 11 is provided on the first-level temperature control component 11 to perform first-level temperature control on the cabinet body, and at the same time, a temperature control expansion interface 12 is reserved on the cabinet body, so that when the heat dissipation capacity of the cabinet is insufficient, this Through the temperature control expansion interface 12, the second-level temperature control component 22 can be directly set on the cabinet body, so that the temperature control component on the cabinet is expanded, so that the cabinet is upgraded from the first-level temperature control to the second-level temperature control.
  • the first-level temperature control component 11 can cool the hot air in the cabinet first, and send the cooled cold air to the second-level temperature control component 22, and the air ducts of the two-level temperature control components form a "series" relationship, which greatly improves The heat dissipation capacity of the cabinet realizes the maximum heat exchange capacity of the cabinet.
  • the first-level temperature control component 11 when the heat dissipation capacity of the cabinet is insufficient, the first-level temperature control component 11 does not need to be replaced, but directly through the temperature
  • the capacity expansion interface 12 expands the second-level temperature control component 22 on the cabinet to achieve the purpose of expanding the temperature control component on the cabinet, thereby avoiding the replacement of the temperature control component with larger volume and stronger heat dissipation in the prior art
  • the original temperature control component is wasted.
  • the cabinet by reserving the temperature control expansion interface 12 on the cabinet body, when the heat dissipation capacity of the cabinet body is insufficient, you can directly connect the first through the reserved temperature control expansion interface 12
  • the second-level temperature control component 22 enables the temperature control capability of the cabinet to be upgraded from the first-level temperature control to the second-level temperature control when the size of the cabinet body is unchanged, thereby meeting the needs of upgrading the cooling capacity of the cabinet. Therefore, the cabinet provided by this application The purpose of expanding the temperature control components of the cabinet is realized, and the purpose of upgrading the heat dissipation capacity of the cabinet is also realized.
  • the first-level temperature control component 11 and the temperature-control expansion interface 12 when the first-level temperature control component 11 and the temperature-control expansion interface 12 are provided on the cabinet body, the first-level temperature control component 11 and the temperature-control expansion interface 12 may be provided on the same surface of the cabinet body, or In this embodiment, the first-level temperature control component 11 and the temperature-control expansion interface 12 may be provided on different surfaces of the cabinet body. For example, as shown in FIG. 1B, the first-level temperature control component 11 may be located on the top of the cabinet body The temperature control expansion interface 12 can be opened on one side of the cabinet body, such as the door 20 of the cabinet body, or as shown in FIG. 1A, the temperature control expansion interface 12 is provided on the top of the cabinet body.
  • the second The temperature control component 22 is located on the top of the cabinet body, and the first-level temperature control component 11 is provided on the side of the cabinet body.
  • the second-level temperature control component 22 can be connected as long as the reserved temperature control expansion interface 12 is guaranteed Just go to the cabinet body.
  • the temperature control capacity expansion interface 12 reserved on the cabinet body may be one, two, or more than two.
  • the temperature control capacity expansion interface 12 is one, the temperature control capacity expansion is performed at this time.
  • the second-level temperature control component 22 is connected to the interface 12.
  • one of the temperature-control capacity expansion interfaces 12 is connected to the second-level temperature-control component 22 and the other temperature control capacity expansion interface 12 Connect the third-level temperature control components, so that the cabinet body can be extended with three temperature control components.
  • the temperature control level of the cabinet body can be upgraded from the first-level temperature control to the third-level temperature control.
  • the temperature control expansion interface 12 is often connected to the second level temperature control component 22 when the first level temperature control component 11 on the cabinet body cannot meet the heat dissipation capacity of the cabinet, Therefore, when the temperature control expansion interface 12 and the second-level temperature control component 22 are not connected, the temperature control expansion interface 12 needs to be in a closed state, so as to ensure that the inside and outside of the cabinet body are not connected at the temperature control expansion interface 12, so as to prevent external Impurities or dust enter the cabinet body, as long as the cabinet needs to expand the temperature control component, the temperature control expansion interface 12 is opened, the second-level temperature control component 22 is connected to the temperature control expansion interface 12, through the second-level temperature control component 22 The temperature control expansion interface 12 is closed, and the second stage temperature control component 22 is connected after the temperature control expansion interface 12 is connected,
  • the cabinet provided by the present application includes a cabinet body, the cabinet body is provided with a first-level temperature control component 11 for controlling the temperature of the cabinet body, and the cabinet body is provided with at least one second-level temperature control component 22 Temperature control expansion interface 12 connected to the cabinet body, so that when the heat dissipation capacity of the cabinet is insufficient, because the temperature expansion interface 12 is reserved on the cabinet body, the temperature expansion interface 12 can be directly connected to the cabinet body through the temperature control expansion interface 12
  • the second-level temperature control component 22 is provided, so that the temperature control components on the cabinet are expanded, so that the cabinet is upgraded from the first-level temperature control to the second-level temperature control, and the cabinet is in the first-level temperature control component 11 and the second-level temperature control Under the effect of component 22, the heat dissipation capacity of the cabinet is greatly improved.
  • the first-level temperature control component 11 does not need to be replaced, and the temperature expansion interface is directly used 12
  • the second-level temperature control component 22 is expanded on the cabinet to achieve the purpose of expanding the temperature control component of the cabinet, thereby avoiding the original temperature caused by replacing the temperature control component with larger volume and stronger heat dissipation in the prior art
  • the second-level temperature control component 22 can be connected to the second-level temperature control component 22 through the reserved temperature control expansion interface 12, so that the temperature control capability of the cabinet is controlled by the first level when the size of the cabinet body is unchanged Upgraded to the second-level temperature control, which meets the needs of upgrading the cooling capacity of the cabinet.
  • the cabinet provided by this application achieves the purpose of expanding the temperature control components on the cabinet, and at the same time realizes the purpose of upgrading the cooling capacity of the cabinet, thereby solving The problem of wasted temperature control components due to replacement of temperature control components when the heat dissipation capacity of the existing cabinet is insufficient, and the problem that the cabinet heat dissipation capacity cannot meet the upgrade requirements.
  • a second-level temperature control component 22 which is provided on the cabinet body through the temperature control expansion interface 12; specifically, the first The second-level temperature control component 22 can be provided on the cabinet door 20, and the first-level temperature control component 11 can be provided on the top of the cabinet body 10 (as shown in FIGS. 1B and 1C), or the temperature control expansion interface 12 can be provided on At the top of the cabinet 10 (as shown in FIG.
  • the second-level temperature control component 22 is provided on the top of the cabinet 10 through the temperature-control expansion interface 12, and the first-level temperature control component 11 is provided on the cabinet door 20 That is, in this embodiment, before the heat dissipation capacity is insufficient, the first-level temperature control component 11 and the second-level temperature control component 22 are laid out on the cabinet body in advance, so that the heat dissipation capacity of the cabinet is in one step.
  • the first-level temperature control component 11 and the second-level temperature control component 22 are started at the same time, so that the hot air in the cabinet undergoes secondary cooling, which greatly improves the heat dissipation capacity of the system.
  • the heat dissipation capacity of the first-level temperature control component can meet the heat dissipation requirements, so the first-level temperature control component 11 and the second level One of the temperature control parts 22 may be started.
  • the second-level temperature control component 22 is provided through the temperature control expansion interface 12, when the heat dissipation capacity of the cabinet can meet the requirements under the first-level temperature control component, in order to reduce the weight of the cabinet, it is also possible Remove the second-level temperature control component 22 from the cabinet.
  • the second-level temperature control component 22 and the first-level temperature control component 11 form a circulating cooling air duct in the cabinet body, that is In this embodiment, after the second-level temperature control component 22 is provided, the second-level temperature control component 22 and the first-level temperature control component 11 form a circulating cooling air duct, so that when heat is dissipated, the hot air in the cabinet body can be first After being cooled by the first-level temperature control component 11, and then entering the second-level temperature control component 22 for cooling, the cold air after the two-level temperature control component is blown to the equipment in the cabinet body for heat dissipation, and finally the hot air after the equipment is dissipated Enter the first-level temperature control component 11 again, so that a circulating cooling air duct is formed.
  • the second-level temperature control component 22 Increase, expand the circulating cooling air duct in the cabinet body, make the cooling path in the cabinet body grow, so that the heat dissipation capacity of the cabinet is greatly improved.
  • the first-level temperature control component 11 and the second-level temperature control component 22 may be heat exchangers or air conditioners.
  • the first-level temperature control component 11 A first inner circulation air duct and a first outer circulation air duct are provided, and a second inner circulation air duct and a second outer circulation air duct are provided in the second-stage temperature control member 22, wherein the first inner circulation air duct and the first An outer circulation air duct is separated by a heat exchange element in the first-stage temperature control part 11, and a second inner circulation air duct and a second outer circulation air duct are separated by a heat exchange element in the second-stage temperature control part 22, Moreover, the air inlets and air outlets of the first inner circulation air duct and the second inner circulation air duct are communicated with the internal space of the cabinet 10, and the air outlet of the first inner circulation air duct and the air inlet of the second inner circulation air duct Relatively arranged so that the cold air cooled by the first inner circulation air duct enters the second
  • the secondary cooled cold air dissipates heat to the equipment in the cabinet, and the formed hot air flows from the first
  • the air inlet of the circulation air duct enters the first inner circulation air duct, and finally forms a circulation cooling air duct in the cabinet body.
  • the air inlet 101 of the first external circulation air duct, the air outlet of the first external circulation air duct, the air inlet 201 of the second external circulation air duct, and the air outlet 202 of the second external circulation air duct are all Communicating with the outside of the cabinet body, in this embodiment, the working principles of the first-level temperature control component 11 and the second-level temperature control component 22 are specifically provided on the top of the cabinet body 10 with the first-level temperature control component 11 and the second-level The temperature control component 22 is provided in the cabinet door 20 as an example for description.
  • the working principle is as follows: the hot air in the cabinet enters from the air inlet of the first inner circulation air duct, and after cooling by the first inner circulation air duct, the first inner circulation air
  • the air outlet of the duct flows into the cabinet.
  • the cooled air and the hot air in the cabinet enter the second internal circulation air duct from the air inlet of the second internal circulation air duct again, and then cools from the second interior after cooling through the second internal circulation air duct.
  • the air outlet of the circulating air duct is discharged into the cabinet, so that the temperature of the hot air is greatly reduced after two coolings, so that the equipment in the cabinet can be cooled better.
  • the cold air outside the cabinet enters from the first outer circulation air inlet 101, passes through the first outer circulation air passage to remove heat, and is discharged from the first outer circulation air outlet to the outside through the first outer
  • the circulating air duct performs heat exchange on the hot air flowing through the first inner circulating air duct to cool the hot air.
  • the second outer circulating air duct performs heat exchange on the hot air flowing through the second inner circulating air duct. The hot air in the second inner circulation air duct is cooled.
  • the first inner circulation air duct and the first outer circulation air duct are two air ducts with mutually opposite wind flow directions, that is, the first inner circulation wind
  • the flow direction 111 of the hot air in the duct is opposite to the flow direction 112 of the cold air in the first outer circulation air duct, for example, taking the cabinet door 20 as the front, as shown in FIG.
  • the flow direction of the hot air in the first inner circulation air duct 111 For the back-in and front-out, that is, the air inlet of the first inner circulation air duct is located behind the cabinet body, and the air outlet of the first inner circulation air duct is located in front of the cabinet body.
  • the flow of cold air in the first outer circulation air duct is 112
  • the flow direction 112 of the cold air in the first outer circulation air duct is right in and left out, that is, the first inner circulation air
  • the flow direction of the hot air in the duct is the reverse direction of the cold air flow in the first outer circulation air duct, and the flow direction of the inner and outer circulation air ducts of the first-stage temperature control member 11 is opposite.
  • the second inner circulation air duct And the second outer circulation air duct are two air ducts with mutually opposite wind flow directions.
  • the second inner circulation duct The flow direction 221 of the air duct can be up and down, and the flow direction 222 of the cold air in the second outer circulation air duct is down in and up and out, or in this embodiment, the flow direction 221 of the second inner circulation air duct can be left in and right out, the second The flow direction 222 of the cold air in the outer circulation air duct is from right to left, and it should be noted that because the side of the cabinet door 20 and the cabinet body 10 are often hingedly connected, it is not easy to set the air inlet and outlet on the left and right sides of the cabinet door 20.
  • the flow direction 221 of the second inner circulation air duct is up, down, and out.
  • the flow direction 222 of the cold air in the second outer circulation air duct is from the bottom to the top (see FIG. 3A for details).
  • the cabinet body may include a cabinet body 10 and a cabinet door 20, wherein the cabinet door 20 is provided on the cabinet body 10, specifically, the cabinet
  • the door 20 and the cabinet body 10 can be connected by a hinge, or in this embodiment, the cabinet door 20 and the cabinet body 10 are slidingly connected, or the cabinet door 20 and the cabinet body 10 are detachably connected by a snap connection,
  • the connection method between the cabinet door 20 and the cabinet body 10 is selected according to actual needs.
  • the connection relationship between the cabinet door 20 and the cabinet body 10 is not limited.
  • the first-level temperature control component 11 may be provided on the cabinet body 10, or the first-level temperature control component 11 may also It can be installed on the cabinet door 20.
  • the temperature control expansion interface 12 can be opened on the cabinet body 10, so that the second-stage temperature control component 22 is provided on the cabinet body 10 through the temperature control expansion interface 12, or the temperature control expansion interface 12 can also be opened on the cabinet door 20, so that the first-level temperature control component is expanded on the cabinet door 20, wherein, in this embodiment, preferably, one of the first-level temperature control component 11 and the temperature control expansion interface 12 Located on the cabinet body 10, and the other on the cabinet door 20, so that the first-level temperature control component 11 and the second-level temperature control component 22 are located at different positions in the cabinet body, so that heat can be dissipated at different positions within the cabinet body, and When one of the first-level temperature control component 11 and the second-level temperature control component 22 is located on the cabinet door 20,
  • the first-level temperature control component 11 is provided on the top of the cabinet 10, that is, the first-level temperature control component 11 is provided on the top of the cabinet 10 in advance, so that the cabinet
  • the form of temperature control is the form of overhead temperature control.
  • the temperature control expansion interface 12 is reserved on the cabinet door 20, so that the cabinet door 20 can be expanded to set the second-level temperature control component 22 .
  • the cabinet include the shape of the top temperature control and the form of the door temperature control, so that the first-level temperature control component 11 firstly cools the top hot air in the cabinet, and blows the cooled air to the front compartment of the cabinet.
  • a second-stage temperature control component 22 is installed at the cabinet door 20.
  • the two-level temperature control components realize the efficient use of the space in the cabinet, which greatly improves the temperature control capability. Therefore, in this embodiment, the two-level temperature control structure allows the hot air at different locations in the cabinet to be fully exchanged with the outside world. Heat, achieve efficient heat exchange, the system's heat dissipation capacity is greatly improved, so that the temperature distribution inside the cabinet is more reasonable, and the air duct is even.
  • the first-level temperature control component 11 is provided on the cabinet door 20, that is, the first-level temperature control component 11 is pre-laid on the cabinet door 20, and the temperature control expansion interface 12 is opened on the top end surface of the cabinet 10, and when the heat dissipation capacity is insufficient, the temperature control component is expanded on the top of the cabinet 10, specifically, when the second-level temperature control component 22 is connected to the temperature control expansion interface 12, the cabinet
  • the temperature control capability of the system is extended from the first-level temperature control to the second-level temperature control, which ensures that the cabinet can meet the heat dissipation of internal devices of different powers.
  • the system heat dissipation capacity of the cabinet is 1500W.
  • the system heat dissipation capacity of the cabinet is increased to 2500W or even 3500W, so that the internal equipment of the cabinet gradually develops from 2G and 1000G to 1000W.
  • the heat dissipation capacity of the cabinet provided by this embodiment can still meet the heat dissipation of the equipment inside the cabinet.
  • this embodiment in a possible implementation manner, further includes: a cover plate (not shown), the cover plate is used to cover when the second-stage temperature control component 22 is not connected to the temperature control expansion interface 12 On the temperature control expansion interface 12 to make the temperature control expansion interface 12 in a closed state, that is, in this embodiment, when the temperature control expansion interface 12 on the cabinet body is not connected to the second-level temperature control component 22, the temperature control expansion interface 12 Closed by the cover plate, when the heat dissipation capacity of the cabinet is insufficient, the cover plate is removed, and the second-level temperature control component 22 is connected to the temperature control expansion interface 12, so that the first-level temperature control component 11 and the cabinet body are connected
  • the second-level temperature control component 22 greatly improves the heat dissipation capacity of the cabinet body.
  • the air outlet of the first inner circulation air duct may be provided near the cabinet door 20, and the air inlet of the first inner circulation air duct is provided near the rear side wall of the cabinet body 10, that is, the hot air of the first inner circulation air duct enters and exits after the second
  • the air inlet of the inner circulation air duct is set close to the air outlet of the first inner circulation air duct, that is, the air inlet of the second inner circulation air duct is located at the upper part of the cabinet door 20, and the air outlet of the second inner circulation air duct is close to the cabinet door 20
  • the bottom end is set, so that the hot air in the cabinet moves to the top of the cabinet, enters the cooling inlet from the first internal circulation and blows toward the cabinet door 20, and enters from the air inlet of the second internal circulation duct on the cabinet door 20 After cooling, it is discharged from the
  • the first inner circulation air duct and The second inner circulation air ducts form a "series" relationship, so that a clockwise wind flow is formed in the cabinet, thereby making the heat exchange efficiency higher.
  • the flow direction of the first inner circulation air ducts is backward in and out At this time, since the cold air flow direction of the first outer circulation air passage and the hot air flow direction of the first inner circulation air passage are mutually opposite, in this embodiment, as shown in FIG.
  • the air inlet 101 of the first outer circulation air passage It may be located on the front side of the first-stage temperature control member 11, the air outlet is located on the rear surface of the first-stage temperature control member 11, or the air inlet 101 of the first outer circulation air duct may be located on the top surface of the first-stage temperature control member 11
  • the air outlet of the first outer circulation air duct is located behind the top surface of the first-stage temperature control member 11, that is, the air outlet and air inlet of the first outer circulation air duct are on the side or top of the first-stage temperature control member 11
  • the air inlet and air outlet of the second outer circulation air duct are opened on the cabinet door 20, and the air inlet and air outlet of the second outer circulation air duct are specifically located at the position of the first inner circulation air inlet and air outlet at The corresponding position of the cabinet door 20 is set.
  • the first-level temperature control component 11 is provided on the top of the cabinet 10
  • the second-level temperature control component 22 is provided on the cabinet door 20, and the first-level temperature
  • the number of air inlets 101 of the first outer circulation air duct of the control component 11 may be one (as shown in FIG.
  • the number of air inlets 101 of the first outer circulation air duct may be multiple, and the first outer The plurality of air inlets 101 of the circulation air duct are respectively located on the side and/or top surface of the first temperature control component 11, that is, the plurality of air inlets 101 may be located on the side of the first temperature control component 11, or on the first temperature control component
  • the top surface of 11, or one of the air inlets 101 is located on the top surface of the first temperature control member 11, the remaining air inlet 101 may be located on the side of the first temperature control member 11, wherein, in this embodiment, it should be noted that when the second temperature control component 22 is provided on the top of the cabinet 10, at this time, the number of air inlets of the second outer circulation air duct of the second temperature control component 22 may be one or more.
  • the first temperature control component 11 is provided on the top of the cabinet body, and the number of the air inlets 101 of the first external circulation air duct of the first temperature control component 11 is two, respectively Are the air inlet 101a and the air inlet 101b, and the air inlet 101a and the air inlet 101b of the first outer circulation air duct are respectively located on the left and right sides of the first temperature control member 11, so that the first outer circulation air duct can be separated from the first temperature
  • the air inlet 101a and the air inlet 101b on both sides of the control member 11 simultaneously enter the air, thereby greatly increasing the air intake of the first outer circulation air duct, and the cooling effect of the first temperature control member 11 is greatly improved.
  • the air inlet 101a and the air inlet 101b are provided on the first temperature control component 11, one or two air outlets may be opened on the rear side or top surface of the first temperature control component 11, at this time ,
  • the air flow direction 111 of the first inner circulation air duct may be backward-inward and front-out, and is mutually reversible with the air flow direction 112 of the first outer circulation air duct.
  • the first The number of air inlets of an outer circulation air duct is set to three.
  • the air inlet 101a and the air inlet 101b can be provided on the left and right sides of the first temperature control member 11, and the third air inlet is provided on the first temperature control member The top surface of 11, so that the first outer circulation air duct can simultaneously enter the air through the three air inlets, so that the heat dissipation speed of the first temperature control member 11 is faster.
  • the air outlet 202 is often located at the upper part of the cabinet door 20.
  • the hot air discharged from the air outlet 202 of the second external circulation air duct It is easy to enter the first outer circulation air duct from the air inlet 101 of the first outer circulation air duct, which is not conducive to the first outer circulation air duct to cool the hot air in the first inner circulation air duct, in order to avoid the second outer circulation air duct
  • the hot air discharged from the air outlet 202 returns to the first outer circulation air duct, so in this embodiment, it is preferable to open the air inlet 101 of the first outer circulation air duct on the left and right sides of the first temperature control member 11, The rear side or the top side, avoid being placed on the front side of the same side of the first temperature control component 11 and the cabinet door 20, so that the air inlet 101 of the first external circulation air duct can be away from the air outlet 202 of the second external circulation air duct To prevent backflow of hot air.
  • the air outlet and the air inlet of the first inner circulation air duct can also be disposed near two opposite inner side walls of the cabinet 10, for example, the air outlet of the first inner circulation air duct is close to the cabinet 10
  • the left inner side wall of the first inner circulation air duct is located near the right inner side wall of the cabinet 10, that is, the flow of hot air in the first inner circulation air duct is from right to left, left and right, and at this time, the first
  • the air outlet of an outer circulation air duct is located near the right inner side wall of the cabinet 10, and the air inlet of the first outer circulation air duct is located near the left inner side wall of the cabinet 10.
  • the flow direction of the first outer circulation is left in and right out.
  • the air inlet of the second inner circulation air duct is set close to the air outlet of the first inner circulation air duct, for example, the air inlet of the second inner circulation air duct is located at the upper left or upper right of the cabinet door 20, the second inner The air outlet of the circulation air duct is provided on the end of the cabinet door 20 away from the air inlet of the second inner circulation air duct, for example, it may be located at the lower right or lower left of the cabinet door 20.
  • an inner circulation fan 31 is provided at the air inlet of the first inner circulation air duct and the air inlet of the second inner circulation air duct, and the first outer circulation air duct
  • the air inlet of the air inlet and the air inlet of the second external circulation air duct are provided with an external circulation fan 32, so that the hot air in the cabinet is driven by the internal circulation fan 31 from the first internal circulation air duct and the second internal circulation air duct
  • the air intake of the air inlet is sucked into the internal circulation air duct for cooling.
  • the cold air outside the cabinet is sucked into the external circulation air duct from the second external circulation air duct and the air inlet of the second external circulation air duct by the external circulation fan 32 for heat exchange.
  • the internal and external circulation fans 32 accelerate the flow rate of hot air in the cabinet and the flow rate of cold air outside the cabinet, thereby making the heat dissipation efficiency of the cabinet higher.
  • the cabinet may be an outdoor cabinet, such as an outdoor power cabinet, or an outdoor equipment cabinet, or the cabinet may also be an indoor cabinet, such as an indoor equipment cabinet Or an indoor power cabinet, it should be noted that, in this embodiment, the cabinet includes but is not limited to a power cabinet and an equipment cabinet, and may also be other cabinets.
  • the first-level temperature control component 11 and the second-level temperature control component 22 are composed of one or more of heat exchangers, air conditioners, and semiconductor refrigeration and air conditioners.
  • the formed temperature control components that is, the first stage temperature control unit 11 and the second stage temperature control unit 22 may be heat exchangers, or the first stage temperature control unit 11 and the second stage temperature control unit 22 may be heat exchangers and Air-conditioning mixed temperature control component, wherein, in this embodiment, the temperature control components selected for the first-level temperature control component 11 and the second-level temperature control component 22 may be the same or different, for example, the first-level temperature control component 11 For heat exchange, the second-stage temperature control component 22 is an air conditioner.
  • a noise reduction component is further included, and the noise reduction component is provided on the second-level temperature control component 22, so that the second-level temperature control component 22 is added to the outdoor structure At this time, it is not easy to make the system noise of the cabinet exceed the standard through the noise reduction components.
  • FIG. 2 is a schematic structural view of the wind flow direction in the inner and outer circulation air ducts of the temperature control components in the front view of the cabinet provided in Embodiment 2 of the present application.
  • the first stage temperature control component 11 is provided on the top of the cabinet body 10, and the second stage temperature control component 22 is provided on the cabinet door 20 as an example.
  • the first inner circulation air duct and the first outer circulation air duct are two air ducts with air flow directions crossing, that is, the flow direction of the hot air 111 in the first inner circulation air duct and the cold air in the first outer circulation air duct
  • the flow direction 112 crosses, for example, with the cabinet door 20 as the front, at this time the flow direction 111 of the hot air in the first inner circulation air duct can be rearward and front exit, and the flow direction 112 of the cold air in the first outer circulation air duct is leftward Right out, or right in and left out, or the flow direction of the hot air 111 in the first inner circulation air duct is left in and right out, and the flow direction 112 of the cold air in the first outer circulation air duct is forward and back out, or back in front Out, that is, the flow direction 111 of
  • the second The flow direction 221 of the inner circulation air duct may be up and down, and the flow direction 222 of the cold air in the second outer circulation air duct is left in and right out, or right in and left out, that is, the air inlet of the second outer circulation air duct is located in the cabinet door 20
  • the air outlet is located on the right of the cabinet door 20, or the air inlet of the second outer circulation air duct is located on the right of the cabinet door 20, and the air outlet of the second outer circulation air duct is located on the left of the cabinet door 20, or in this embodiment
  • the flow direction of the second inner circulation air duct can be left and right, and the flow direction of the cold air in the second outer circulation air duct is bottom in, top out, or top in, bottom out.
  • FIG. 3A is a schematic structural view of the wind flow direction of the internal and external circulation air ducts of the temperature control components in the front view of the cabinet provided in Embodiment 3 of the present application
  • FIG. 3B is the internal and external circulation of the temperature control components in the front view of the cabinet provided in Embodiment 3 of the present application
  • FIG. 3C is another structural schematic diagram of the wind flow direction in the inner and outer circulation air ducts of the temperature control components in the front view of the cabinet provided in Embodiment 3 of the present application.
  • the first inner circulation air duct and the first outer circulation air duct are two air ducts with mutually opposite wind flow directions.
  • the second inner circulation air duct and the second outer circulation air duct are two air ducts with wind flow directions crossing, or, as shown in FIGS.
  • the first inner circulation air duct and the first outer circulation air duct are wind currents Two air ducts with cross flow directions, the second inner circulation air duct and the second outer circulation air duct are two air ducts with mutually opposite wind flow directions, namely the first-stage temperature control part 11 and the second-stage temperature control part 22
  • the air flow direction is reciprocal, and in the other inner and outer circulation air ducts, the air flow directions cross.
  • the first-stage temperature control component 11 is provided on the top of the cabinet 10
  • the second-stage temperature control component 22 It is installed on the cabinet door 20.
  • the first inner circulation air duct crosses the first outer circulation air duct, and the second inner circulation air duct and the second outer circulation air duct are mutually inverse.
  • the first inner circulation air duct is Back-in and front-out, ie front and back air ducts
  • the first outer circulation air duct is left in and right out, or right in left out, ie left and right air ducts
  • the second inner circulation air duct is up and down, ie up and down air ducts
  • second The outer circulation is from bottom to top, and it is mutually inverse with the second inner circulation duct.
  • the first-stage temperature control component 11 can also be provided on the cabinet door 20
  • the second-stage temperature control component 22 is provided on the cabinet At the top of the body 10, at this time, the inner and outer circulation air passages of the first-stage temperature control member 11 may be reciprocal upper and lower air passages, and the inner and outer circulation air passages of the second-stage temperature control member 22 are intersecting front and rear air passages and left and right, respectively Wind tunnel.
  • connection should be understood in a broad sense, for example, it can be fixedly connected or through the middle
  • the medium is indirectly connected, which may be the connection between the two elements or the interaction between the two elements.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

本申请提供一种机柜，机柜包括：机柜本体，所述机柜本体上设有用于对所述机柜本体进行控温的第一级温控部件，且所述机柜本体上设有至少一个可供第二级温控部件连接在所述机柜本体上的温控扩容接口，以使所述机柜本体上可扩展设置所述第二级温控部件，本申请提供的机柜，避免了温控部件的浪费，同时实现了机柜散热能力可扩展的目的，从而解决了现有机柜散热能力不足时由于更换温控部件而造成温控部件的浪费以及机柜散热能力无法满足升级需求的问题。

Description

机柜
本申请要求于2018年12月21日提交中国专利局、申请号为201811573370.9、申请名称为“机柜”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及机柜领域，并且尤其涉及一种散热能力可扩展的机柜。
背景技术
户外机柜为一种安装室外的机柜，常见的户外机柜例如有户外电源柜和户外设备柜，其中，为了保证户外机柜内的设备不易温度过高，户外电源柜和户外设备柜具有有独立的散热系统，通过散热系统对机柜内的设备进行散热，以防止机柜内的设备温度过高而影响工作性能。
目前，户外机柜的散热方式往往采用两种形式：一种为门置温控形式，另一种顶置温控形式，其中，门置温控形式具体为将温控部件设在机柜的柜门上，不占据机柜内的空间，使得机柜内的利用率较高，维护时开门即可进行维护，顶置温控形式具体将温控部件设置在机柜的顶部，同样不占用机柜内的空间，其中，温控部件为可主动控制柜内温度的独立组成部件，常用的温控部件为热交换器、空调或半导体制冷空调(Thermoelectric Cooler，简称：TEC)。
然而，上述两种控温形式中，一旦机柜散热能力不足时，只能将原有的温控部件拆除以便腾出空间更换更大体积、更强能力的温控部件，但是这样造成温控部件的浪费；而且由于机柜的尺寸约束，温控能力会受到一定的制约，无法满足机柜散热能力的升级需求。
发明内容
本申请提供一种机柜，避免了温控部件的浪费，同时实现了机柜散热能力可扩展的目的，从而解决了现有机柜散热能力不足时由于更换温控部件而造成温控部件的浪费以及机柜散热能力无法满足升级需求的问题。
本申请提供一种机柜，包括：机柜本体，所述机柜本体上设有用于对所述机柜本体进行控温的第一级温控部件，且所述机柜本体上设有至少一个可供第二级温控部件连接在所述机柜本体上的温控扩容接口，以使所述机柜本体上可扩展设置所述第二级温控部件。
本申请提供的机柜，通过包括机柜本体，所述机柜本体上设有用于对所述机柜本体进行控温的第一级温控部件，且所述机柜本体上设有至少一个可供第二级温控部件连接在所述机柜本体上的温控扩容接口，这样当机柜的散热能力不足时，由于机柜本体上预留有温控扩容接口，此时通过温控扩容接口可以在机柜本体上直接再设置第二级温控部件，对机柜上的温控部件进行了扩展，使得机柜由一级控温升级到二级温控，机柜在第一级温控部件和第二级温控部件的作用下，大大提高了机柜的散热能力，与现有技术相比，本申请的 机柜在散热能力不足时，不需要对第一级温控部件进行更换，直接通过温控扩容接口在机柜本上扩展设置第二级温控部件，实现了机柜的温控部件可扩展的目的，从而避免了现有技术中更换体积更大、散热更强的温控部件而造成原温控部件浪费的问题，同时，本申请中，可以通过预留的温控扩容接口连接第二级温控部件，使得机柜在机柜本体尺寸不变的情况下控温能力由一级控温升级到二级控温，从而满足了机柜散热能力的升级需求，因此，本申请提供的机柜，实现了机柜上温控部件可扩展的目的，同时实现了机柜散热能力满足升级需求的目的，从而解决了现有机柜散热能力不足时由于更换温控部件而造成温控部件的浪费以及机柜散热能力无法满足升级需求的问题。
在第一方面的一种可能的实施方式中，还包括：所述第二级温控部件，所述第二级温控部件通过所述温控扩容接口设在所述机柜本体上，且所述第二级温控部件和所述第一级温控部件在所述机柜本体内形成循环冷却风道。
在第一方面的一种可能的实施方式中，所述第一级温控部件内设有第一内循环风道和第一外循环风道，所述第二级温控部件内设有第二内循环风道和第二外循环风道，且所述第一内循环风道和所述第二内循环风道的进风口和出风口均与所述机柜本体内的内部空间相通，以使所述机柜本体内形成所述循环冷却风道，所述第一外循环风道和所述第二外循环风道的进风口和出风口均与所述机柜本体的外部相通。
在第一方面的一种可能的实施方式中，所述第一内循环风道和第一外循环风道为风流流向呈互逆的两个风道，所述第二内循环风道和第二外循环风道为风流流向呈互逆的两个风道。
在第一方面的一种可能的实施方式中，所述第一内循环风道和第一外循环风道为风流流向呈交叉的两个风道，所述第二内循环风道和第二外循环风道为风流流向呈交叉的两个风道。
在第一方面的一种可能的实施方式中，所述第一内循环风道和第一外循环风道为风流流向呈互逆的两个风道，所述第二内循环风道和第二外循环风道为风流流向呈交叉的两个风道，或者，
所述第一内循环风道和第一外循环风道为风流流向呈交叉的两个风道，所述第二内循环风道和第二外循环风道为风流流向呈互逆的两个风道。
在第一方面的一种可能的实施方式中，所述机柜本体包括柜体和柜门，其中，所述第一级温控部件设在所述柜体或所述柜门上，所述温控扩容接口开设在所述柜体或所述柜门上。
在第一方面的一种可能的实施方式中，所述第一级温控部件设在所述柜体的顶部，所述温控扩容接口设在所述柜门上，以使所述柜门上可扩展设置所述第二级温控部件。
在第一方面的一种可能的实施方式中，所述第一级温控部件设在所述柜门上，所述温控扩容接口开设在所述柜体的顶部端面上，以使所述柜体上可扩展设置所述第二级温控部件。
在第一方面的一种可能的实施方式中，所述第一级温控部件设在所述柜体的顶部，所述第二级温控部件设在所述柜门上，所述第一内循环风道的出风口靠近所述柜门设置，所述第一内循环风道的进风口靠近所述柜体的后侧壁设置，所述第二内循环风道的进风口靠近所述第一内循环风道的出风口设置，所述第二内循环风道的出风口靠近所述柜门的底 端设置，或者，
所述第一内循环风道的出风口和进风口分别靠近所述柜体内相对的两个内侧壁设置，所述第二内循环风道的进风口靠近所述第一内循环风道的出风口设置，所述第二内循环风道的出风口设置在所述柜门远离所述第二内循环风道进风口的一端上。
在第一方面的一种可能的实施方式中，所述第一级温控部件设在所述柜体的顶部，所述第二级温控部件设在所述柜门上，所述第一外循环风道的出风口和进风口在所述第一级温控部件的侧面或者顶面开设，所述第二外循环风道的进风口和出风口开设在所述柜门上。
在第一方面的一种可能的实施方式中，所述第一级温控部件设在所述柜体的顶部，所述第二级温控部件设在所述柜门上，且所述第一级温控部件的第一外循环风道的进风口数量为一个或多个，且所述第一外循环风道的多个进风口分别位于所述第一温控部件的侧面和/或顶面。
在第一方面的一种可能的实施方式中，所述第一内循环风道的进风口以及所述第二内循环风道的进风口处均设有内循环风机；
所述第一外循环风道的进风口以及所述第二外循环风道的进风口处均设有外循环风机。
在第一方面的一种可能的实施方式中，还包括：盖板，所述盖板用于当所述温控扩容接口上未连接所述第二级温控部件时盖设在所述温控扩容接口上，以使所述温控扩容接口处于封闭状态。
在第一方面的一种可能的实施方式中，所述机柜为户外机柜或室内机柜。
在第一方面的一种可能的实施方式中，所述第一级温控部件和所述第二级温控部件为热交换器、空调、半导体制冷空调中的一种或多种组成而成的温控部件。
在第一方面的一种可能的实施方式中，还包括：降噪部件，所述降噪部件设在所述第二级温控部件上。
结合附图，根据下文描述的实施例，示例性实施例的这些和其它方面、实施形式和优点将变得显而易见。但应了解，说明书和附图仅用于说明并且不作为对本申请的限制的定义，详见随附的权利要求书。本申请的其它方面和优点将在以下描述中阐述，而且部分将从描述中显而易见，或通过本申请的实践得知。此外，本申请的各方面和优点可以通过所附权利要求书中特别指出的手段和组合得以实现和获得。
附图说明
图1A是本申请实施例一提供的机柜的立体示意图；
图1B是本申请实施例一提供的机柜的又一立体示意图；
图1C是本申请实施例一提供的机柜的侧面剖视结构示意图；
图1D是本申请实施例一提供的机柜上温控部件中内外循环风道中风流流向的结构示意图；
图1E是本申请实施例一提供的机柜的再一结构示意图；
图2是本申请实施例二提供的机柜的主视图中温控部件的内外循环风道中风流流向的结构示意图；
图3A是本申请实施例三提供的机柜的主视图中温控部件的内外循环风道中风流流向的结构示意图；
图3B是本申请实施例三提供的机柜的主视图中温控部件的内外循环风道中风流流向的又一结构示意图；
图3C是本申请实施例三提供的机柜的主视图中温控部件的内外循环风道中风流流向的再一结构示意图。
附图标记说明：
10-柜体；
11-第一级温控部件；
111-第一内循环风道的流向；
112-第一外循环风道的流向；
101、101a、101b-第一外循环风道的进风口；
12-温控扩容接口；
20-柜门；
22-第二级温控部件；
201-第二外循环风道的进风口；
202-第二外循环风道的出风口；
221-第二内循环风道的流向；
222-第二外循环风道的流向；
31-内循环风机；
32-外循环风机。
具体实施方式
实施例一
图1A是本申请实施例一提供的机柜的立体示意图，图1B是本申请实施例一提供的机柜的又一立体示意图，图1C是本申请实施例一提供的机柜的侧面剖视结构示意图，图1D是本申请实施例一提供的机柜上温控部件中内外循环风道中风流流向的结构示意图，图1E是本申请实施例一提供的机柜的再一结构示意图。
正如背景技术所述，现有的户外机柜存在温控部件浪费以及无法满足散热能力升级需求的问题，产生该问题的原因在于：现有机柜上的门置温控形式或者顶置温控形式中，一旦机柜散热能力不足时，只能将原有的温控部件拆除以便腾出空间更换更大体积、更强能力的温控部件，但是这样造成温控部件的浪费，而且随着机柜内的设备功率的增加，机柜需要更大功率的散热能力，而机柜的尺寸往往为固定的，温控能力会受到一定的制约，即即使更换更大体积、更强能力的温控部件，但是由于机柜内部设备的功率/热耗不断提升，仍出现无法满足散热能力的现象，所以，现有机柜存在机柜散热能力无法满足升级需求的问题。
为此，为了解决上述问题，本实施例中，如图1A-1E所示，机柜包括机柜本体，机柜本体上设有用于对机柜本体进行控温的第一级温控部件11，且机柜本体上设有至少一个可供第二级温控部件22连接在机柜本体上的温控扩容接口12，以使机柜本体上可扩展设置 第二级温控部件22，即本实施例中，机柜本体上设有第一级温控部件11，第一级温控部件11可以对机柜本体进行一级控温，同时机柜本体上预留温控扩容接口12，这样当机柜的散热能力不足时，此时通过温控扩容接口12可以在机柜本体上直接再设置第二级温控部件22，这样对机柜上的温控部件进行了扩展，使得机柜由一级控温升级到二级温控，第一级温控部件11可将机柜内的热风先行进行冷却，并将冷却后的冷风送至第二级温控部件22，两级温控部件的风道形成“串联”关系，这样大大提高了机柜的散热能力，实现了机柜最大换热能力，与现有技术相比，本实施例中，机柜的散热能力不足时，不需要对第一级温控部件11进行更换，而是直接通过温控扩容接口12在机柜本上扩展第二级温控部件22，实现了机柜上温控部件可扩展的目的，从而避免了现有技术中更换体积更大、散热更强的温控部件而造成原温控部件浪费的问题，同时，本实施例中，通过在机柜本体上预留温控扩容接口12，当机柜本体的散热能力不足时，直接可以通过预留的温控扩容接口12连接第二级温控部件22，使得机柜在机柜本体尺寸不变的情况下控温能力由一级控温升级到二级控温，从而满足了机柜散热能力的升级需求，因此，本申请提供的机柜实现了机柜温控部件可扩展的目的，同时实现了机柜散热能力可升级的目的。
其中，本实施例中，机柜本体上设置第一级温控部件11和温控扩容接口12时，第一级温控部件11和温控扩容接口12可以设置在机柜本体的同一面上，或者本实施例中，第一级温控部件11和温控扩容接口12可以设置在机柜本体的不同表面上，例如，如图1B所示，第一级温控部件11可以位于机柜本体的顶部上，温控扩容接口12可以开设在机柜本体的其中一侧面上，例如机柜本体的柜门20上，或者如图1A所示，温控扩容接口12设置在机柜本体的顶部，此时，第二温控部件22位于机柜本体的顶部，第一级温控部件11设在机柜本体的侧面上，本实施例中，只要保证预留的温控扩容接口12可将第二级温控部件22连接到机柜本体上即可。
其中，本实施例中，机柜本体上预留的温控扩容接口12可以为一个，也可以为两个，或者两个以上，其中，当温控扩容接口12为一个时，此时温控扩容接口12上连接第二级温控部件22，当温控扩容接口12为两个时，此时其中一个温控扩容接口12上连接第二级温控部件22，另一个温控扩容接口12上连接第三级温控部件，这样使得机柜本体上可扩展设置三个温控部件，机柜本体的控温级别由一级控温可升级为三级控温。
其中，本实施例中，需要说明的是，由于温控扩容接口12往往是在机柜本体上的第一级温控部件11无法满足机柜的散热能力时与第二级温控部件22进行连接，所以，温控扩容接口12与第二级温控部件22未连接时，需将温控扩容接口12处于封闭状态，这样确保机柜本体的内外在温控扩容接口12处不连通，从而防止外界的杂质或灰尘进入机柜本体内，只要当机柜需要扩展温控部件时，将温控扩容接口12打开，将第二级温控部件22连接在温控扩容接口12处，通过第二级温控部件22将温控扩容接口12封闭，第二级温控部件22在温控扩容接口12连接后，
因此，本申请提供的机柜，通过包括机柜本体，机柜本体上设有用于对机柜本体进行控温的第一级温控部件11，且机柜本体上设有至少一个可供第二级温控部件22连接在机柜本体上的温控扩容接口12，这样当机柜的散热能力不足时，由于机柜本体上预留有温控扩容接口12，此时通过温控扩容接口12可以在机柜本体上直接再设置第二级温控部件22，这样对机柜上的温控部件进行了扩展，使得机柜由一级控温升级到二级温控，机柜在第一 级温控部件11和第二级温控部件22的作用下，大大提高了机柜的散热能力，与现有技术相比，本申请的机柜在散热能力不足时，不需要对第一级温控部件11进行更换，直接通过温控扩容接口12在机柜本上扩展设置第二级温控部件22，实现了机柜的温控部件可扩展的目的，从而避免了现有技术中更换体积更大、散热更强的温控部件而造成原温控部件浪费的问题，同时，本申请中，可以通过预留的温控扩容接口12连接第二级温控部件22，使得机柜在机柜本体尺寸不变的情况下控温能力由一级控温升级到二级控温，从而满足了机柜散热能力的升级需求，因此，本申请提供的机柜，实现了机柜上温控部件可扩展的目的，同时实现了机柜散热能力可升级的目的，从而解决了现有机柜散热能力不足时由于更换温控部件而造成温控部件的浪费以及机柜散热能力无法满足升级需求的问题。
其中，本实施例中，在一种可能的实施方式中，还包括：第二级温控部件22，第二级温控部件22通过温控扩容接口12设在机柜本体上，具体的，第二级温控部件22可以设在柜门20上，此时第一级温控部件11可以设在柜体10的顶部(如图1B和1C所示)，或者，温控扩容接口12设在柜体10的顶部(如图1A所示)，此时，第二级温控部件22通过温控扩容接口12设在柜体10的顶部，第一级温控部件11设在柜门20上，即本实施例中，在散热能力不足之前，预先在机柜本体上同时布局第一级温控部件11和第二级温控部件22，使得机柜的散热能力一步到位，使用时，当机柜内的设备功率及热耗较大时，则将第一级温控部件11和第二级温控部件22同时启动，这样机柜内的热空气经过二次冷却，使得系统散热能力大幅提升，当机柜内的设备功率及热耗较小时，例如机柜内部设备功率为1000W左右时，此时，通过一级温控部件的散热能力即可达到散热要求，所以第一级温控部件11和第二级温控部件22中的其中一个启动即可。
同时，本实施例中，由于第二级温控部件22通过温控扩容接口12设置，所以当机柜的散热能力在一级温控部件下便能满足要求时，为了减轻机柜的重量，还可以将第二级温控部件22从机柜上拆下。
其中，本实施例中，当第二级温控部件设在柜体或柜门上时，第二级温控部件22与第一级温控部件11在机柜本体内形成循环冷却风道，即本实施例中，第二级温控部件22设置后，第二级温控部件22与第一级温控部件11组成循环冷却风道，这样，当散热时，机柜本体内的热空气可以先经过第一级温控部件11冷却，然后进入第二级温控部件22进行冷却，经过两级温控部件后的冷空气吹向机柜本体内的设备进行散热，最后对设备散热后的热空气再次进入第一级温控部件11，这样形成循环冷却风道，与机柜本体内设置第一级温控部件11形成的冷却风道相比，本实施例中，第二级温控部件22的增加，扩展了机柜本体内的循环冷却风道，使得机柜本体内的冷却路径增长，从而使得机柜的散热能力大幅提升。
其中，本实施例中，在一种可能的实施方式中，第一级温控部件11和第二级温控部件22可以为热交换器或空调，具体的，第一级温控部件11内设有第一内循环风道和第一外循环风道，第二级温控部件22内设有第二内循环风道和第二外循环风道，其中，第一内循环风道和第一外循环风道在第一级温控部件11中通过换热元件隔开，第二内循环风道和第二外循环风道在第二级温控部件22内通过换热元件隔开，且第一内循环风道和第二内循环风道的进风口和出风口均与柜体10的内部空间相通，且第一内循环风道的出风口和第二内循环风道的进风口相对设置，以使第一内循环风道冷却后的冷空气再次进入第 二内循环风道内冷却，二次冷却后的冷空气对机柜内的设备进行散热，形成的热空气再次从第一内循环风道的进风口进入第一内循环风道，最终在机柜本体内形成循环冷却风道。其中，本实施例中，第一外循环风道的进风口101、第一外循环风道的出风口、第二外循环风道的进风口201和第二外循环风道的出风口202均与机柜本体的外部相通，本实施例中，第一级温控部件11和第二级温控部件22的工作原理具体以第一级温控部件11设在柜体10的顶部，第二级温控部件22设置在柜门20为例进行说明，工作原理为：机柜内的热空气从第一内循环风道的进风口进入，经过第一内循环风道冷却后从第一内循环风道的出风口流入机柜内，冷却后的空气以及机柜内的热空气再次从第二内循环风道的进风口进入第二内循环风道，经过第二内循环风道冷却后从第二内循环风道的出风口排入机柜内，这样热空气经过两次冷却后温度大幅降低，从而可以更好地机柜内的设备进行冷却，相应的，为了将第一内循环风道的热量进行交换，本实施例中，机柜外的冷空气从第一外循环的进风口101进入，经过第一外循环风道将热量带走并从第一外循环的出风口排向外界，通过第一外循环风道对第一内循环风道内流过的热空气进行热交换，使得热空气进行冷却，相应的，第二外循环风道对第二内循环风道内流过的热空气进行热交换，使得第二内循环风道内的热空气进行冷却。
其中，本实施例中，在一种可能的实施方式中，为了保证第一外循环风道和第二外循环风道内的冷空气分别对第一内循环和第二内循环风道起到较好的散热作用，本实施例中，具体的，如图1D所示，第一内循环风道和第一外循环风道为风流流向呈互逆的两个风道，即第一内循环风道内热空气的流向111与第一外循环风道内的冷空气的流向112互逆，例如，以柜门20为前方为例，如图1D所示，第一内循环风道内热空气的流向111为后进前出，即第一内循环风道的进风口位于机柜本体的后方，第一内循环风道的出风口位于机柜本体的前方，此时第一外循环风道内的冷空气的流向112为前进后出，或者，第一内循环风道内热空气的流向111为左进右出，此时第一外循环风道内的冷空气的流向112为右进左出，即第一内循环风道内热空气的流向为第一外循环风道内的冷空气流向的反方向，第一级温控部件11的内外循环风道的流向相反，相应的，本实施例中，第二内循环风道和第二外循环风道为风流流向呈互逆的两个风道，具体的，本实施例中，由于第二级温控部件22设置在柜门20上，所以此时，第二内循环风道的流向221可以上进下出，第二外循环风道内冷空气的流向222为下进上出，或者本实施例中，第二内循环风道的流向221可以左进右出，第二外循环风道内冷空气的流向222为右进左出，需要说明的是，由于柜门20的一侧与柜体10往往通过铰接连接，所以在柜门20的左右两侧不易设置进出风口，所以本实施例中，第二内循环风道和第二外循环风道为风流流向呈互逆的两个风道时，优选的，第二内循环风道的流向221为上进下出，第二外循环风道内冷空气的流向222为下进上出(具体参见如图3A所示)。
本实施例中，通过将第一级温控部件11和第二级温控部件22内的内外循环风道呈互逆风道时，这样可以使得换热效率较高，确保了机柜具有良好的散热效果。
在一种可能的实施方式中，本实施例中，如图1B-1C所示，机柜本体可包括柜体10和柜门20，其中，柜门20设在柜体10上，具体的，柜门20与柜体10之间可以通过铰接方式连接，或者本实施例中，柜门20与柜体10之间滑动连接，或者柜门20与柜体10之间通过卡接方式可拆卸连接，其中，本实施例中，柜门20与柜体10之间的连接方式具体 根据实际需求选取合适的连接方式，本实施例中，柜门20与柜体10之间的连接关系不作限定。
其中，本实施例中，当机柜本体包括柜门20和柜体10时，如图1B所示，第一级温控部件11可以设在柜体10上，或者第一级温控部件11还可以设在柜门20上，相应的，温控扩容接口12可以开设在柜体10上，这样第二级温控部件22通过温控扩容接口12设置在柜体10上，或者温控扩容接口12还可以开设在柜门20上，这样在柜门20上扩容一级温控部件，其中，本实施例中，优选的，第一级温控部件11和温控扩容接口12中的其中一个位于柜体10上，另一个位于柜门20上，这样第一级温控部件11和第二级温控部件22位于机柜本体的不同位置，从而可以对机柜本体内的不同位置进行散热，而且，当第一级温控部件11和第二级温控部件22中的其中一个位于柜门20上时，温控部件正对机柜本体的用户空间，从而确保了关键设备处于低温区，而且温控部件设在柜门20上时，不占用机柜内空间，使得机柜内部空间利用率较高。
其中，本实施例中，在一种可能的实施方式中，第一级温控部件11设在柜体10的顶部，即预先在柜体10的顶部设置第一级温控部件11，使得机柜的温控形式为顶置温控形式，同时在顶置温控的基础上，在柜门20上预留温控扩容接口12，这样使得柜门20上可扩展设置第二级温控部件22，最终使得机柜包括顶置温控形状和门置温控形式，这样第一级温控部件11先将柜内顶部热空气进行一级冷却，将冷却后的空气吹向机柜前舱，在机柜柜门20处安装有第二级温控部件22，将一级冷却后的空气连同部分顶部热空气再次吸入，进行二次冷却，最后将经过两级冷却的空气直接送到柜内下部各个设备处，两级温控部件实现柜内空间的高效利用，使得温控能力大幅提升，因此，本实施例中，通过二级温控架构，使得柜内不同位置的热空气均可以充分与外界换热，实现高效换热，系统散热能力大幅提升，使机柜内部温度分布更合理，风道均匀。
其中，本实施例中，在一种可能的实施方式中，第一级温控部件11设在柜门20上，即预先在柜门20上布局第一级温控部件11，温控扩容接口12开设在柜体10的顶部端面上，待散热能力不足时，在柜体10的顶部扩容温控部件，具体的，将第二级温控部件22连接在温控扩容接口12时，使得机柜的控温能力由一级控温扩展到二级控温，确保了机柜可以满足不同功率的内部设备的散热，本实施例中，经过验证，当第一级温控部件11设置在柜门20上时，系统散热能力为1500W，当在柜体10的顶部扩容第二级温控部件22时，机柜的系统散热能力提升至2500W甚至3500W，这样机柜内部设备由2G、3G的1000W逐渐发展到2000+W时，本实施例提供的机柜的散热能力仍能满足机柜内部设备的散热。
其中，本实施例中，在一种可能的实施方式中，还包括：盖板(未示出)，盖板用于当温控扩容接口12上未连接第二级温控部件22时盖设在温控扩容接口12上，以使温控扩容接口12处于封闭状态，即本实施例中，机柜本体上的温控扩容接口12未连接第二级温控部件22时，温控扩容接口12通过盖板进行封闭，当机柜的散热能力不足时，将盖板去除，将第二级温控部件22连接在温控扩容接口12上，这样机柜本体上连接有第一级温控部件11和第二级温控部件22，使得机柜本体的散热能力大大提升。
其中，本实施例中，在一种可能的实施方式中，具体的，当第一级温控部件11设在柜体10的顶部，第二级温控部件22设在柜门20上时，第一内循环风道的出风口可以靠近柜门20设置，第一内循环风道的进风口靠近柜体10的后侧壁设置，即第一内循环风道 热空气后进前出，第二内循环风道的进风口靠近第一内循环风道的出风口设置，即第二内循环风道的进风口位于柜门20的上部，第二内循环风道的出风口靠近柜门20的底端设置，这样机柜内的热空气移动到机柜的顶部，从第一内循环的进风口进入冷却后吹向柜门20，并从柜门20上的第二内循环风道的进风口进入，经过冷却后，从柜门20底端的第二内循环风道的出风口排出，对机柜内下方的设备进行冷却，保证机柜下部的温度最低，本实施例中，第一内循环风道和第二内循环风道形成“串联”关系，使得机柜内形成顺时针流动的风流，从而使得换热效率更高，其中，本实施例中，当第一内循环风道的流向为后进前出时，由于第一外循环风道的冷空气流向与第一内循环风道的热空气流向互逆，所以，本实施例中，如图1B所示，第一外循环风道的进风口101可以位于第一级温控部件11的前侧面，出风口位于第一级温控部件11的后表面，或者第一外循环风道的进风口101可以位于第一级温控部件11顶面的前方，第一外循环风道的出风口位于第一级温控部件11顶面的后面，即，第一外循环风道的出风口和进风口在第一级温控部件11的侧面或者顶面开设，第二外循环风道的进风口和出风口开设在柜门20上，其中，第二外循环风道的进风口和出风口具体以第一内循环的进风口和出风口位置在柜门20的相应位置进行设置。
其中，本实施例中，在一种可能的实施方式中，第一级温控部件11设在柜体10的顶部，第二级温控部件22设在柜门20上，且第一级温控部件11的第一外循环风道的进风口101数量可以为一个(如图1B所示，)，或第一外循环风道的进风口101数量可以为多个，且所述第一外循环风道的多个进风口101分别位于所第一温控部件11的侧面和/或顶面，即多个进风口101可以位于第一温控部件11的侧面，或者位于第一温控部件11的顶面，或者其中一个进风口101位于第一温控部件11的顶面，其余进风口101可以位于第一温控部件11的侧面，其中，本实施例中，需要说明的是，当第二温控部件22设在柜体10的顶部时，此时，第二温控部件22的第二外循环风道的进风口数量可以为一个或多个。
具体的，本实施例中，参见图1E所示，第一温控部件11在机柜本体的顶部设置，第一温控部件11的第一外循环风道的进风口101数量为两个，分别为进风口101a和进风口101b，且第一外循环风道的进风口101a和进风口101b分别位于第一温控部件11左右两个侧面上，这样第一外循环风道可以从第一温控部件11的两个侧面上的进风口101a和进风口101b同时进风，从而使得第一外循环风道的进风量大大增大，第一温控部件11的冷却效果大大提升，其中，本实施例中，当在第一温控部件11上设置进风口101a和进风口101b时，此时可以在第一温控部件11的后侧面或者顶面上开设一个或者两个出风口，此时，第一内循环风道的风流流向111可以为后进前出，与第一外循环风道的风流流向112互逆，其中，本实施例中，为了进一步的增大进风口，还可以将第一外循环风道的进风口数量设置为三个，此时可以将进风口101a和进风口101b设在第一温控部件11的左右两侧，第三个进风口设在第一温控部件11的顶面上，这样第一外循环风道可以通过三个进风口同时进风，使得第一温控部件11的散热速度更快。
其中，本实施例中，当第一温控部件11设在柜体顶部，第二温控部件22设在柜门20上时，由于第二温控部件22的第二外循环风道的出风口202往往位于柜门20上部，此时若将第一外循环风道的进风口开设在第一温控部件11的前侧面上时，第二外循环风道的 出风口202排出的热空气易从第一外循环风道的进风口101进入第一外循环风道，这样不利于第一外循环风道对第一内循环风道内的热空气进行冷却，为了避免第二外循环风道的出风口202排出的热空气回流到第一外循环风道内，所以，本实施例中，优选的，将第一外循环风道的进风口101开设在第一温控部件11的左右侧面、后侧面或者顶面上，避免设在第一温控部件11与柜门20同侧的前侧面上，这样第一外循环风道的进风口101可以远离第二外循环风道的出风口202，防止热空气回流。
其中，本实施例中，第一内循环风道的出风口和进风口还可以分别靠近柜体10内相对的两个内侧壁设置，例如，第一内循环风道的出风口靠近柜体10的左内侧壁设置，第一内循环风道的进风口靠近柜体10的右内侧壁设置，即第一内循环风道内热空气的流向为右进左出，为左右流向，此时，第一外循环风道的出风口靠近柜体10的右内侧壁设置，第一外循环风道的进风口靠近柜体10的左内侧壁设置，第一外循环的流向为左进右出，本实施例中，第二内循环风道的进风口靠近第一内循环风道的出风口设置，例如，第二内循环风道的进风口位于柜门20的左上部或右上部，第二内循环风道的出风口设置在柜门20远离第二内循环风道进风口的一端上，例如可以位于柜门20的右下方或左下方。
其中，本实施例中，在一种可能的实施方式中，第一内循环风道的进风口以及第二内循环风道的进风口处均设有内循环风机31，第一外循环风道的进风口以及第二外循环风道的进风口处均设有外循环风机32，这样机柜内的热空气在内循环风机31的作用下从第一内循环风道和第二内循环风道的进风口吸入内循环风道进行冷却，机柜外的冷空气在外循环风机32的作用下从第二外循环风道和第二外循环风道的进风口吸入外循环风道进行热交换，通过内外循环风机32加快了机柜内热空气的流速以及机柜外冷空气的流速，从而使得机柜的散热效率更高。
其中，本实施例中，在一种可能的实施方式中，机柜可以为户外机柜，例如可以为户外电源柜，或者为户外设备柜，或者，机柜还可以为室内机柜，例如可以为室内设备柜或室内电源柜，需要说明的是，本实施例中，机柜包括但不限于为电源柜和设备柜，还可以为其他机柜。
其中，本实施例中，在一种可能的实施方式中，第一级温控部件11和第二级温控部件22为热交换器、空调、半导体制冷空调中的一种或多种组成而成的温控部件，即第一级温控部件11和第二级温控部件22可以为热交换器，或者第一级温控部件11和第二级温控部件22可以为热交换器和空调混合的温控部件，其中，本实施例中，第一级温控部件11和第二级温控部件22选用的温控部件可以相同，也可以不同，例如，第一级温控部件11为热交换，第二级温控部件22为空调。
其中，本实施例中，在一种可能的实施方式中，还包括降噪部件，降噪部件上设在第二级温控部件22上，这样在户外结构上增加第二级温控部件22时，通过降噪部件不易使得机柜的系统噪声超标。
实施例二
图2是本申请实施例二提供的机柜的主视图中温控部件的内外循环风道中风流流向的结构示意图。
本实施例中，如图2所示，具体的以第一级温控部件11设在柜体10的顶部，第二级 温控部件22设在柜门20为例进行说明，具体的，本实施例中，第一内循环风道和第一外循环风道为风流流向呈交叉的两个风道，即第一内循环风道内热空气的流向111与第一外循环风道内的冷空气的流向112交叉，例如，以柜门20为前方，此时第一内循环风道内热空气的流向111可以为后进前出，此时第一外循环风道内的冷空气的流向112为左进右出，或者右进左出，或者，第一内循环风道内热空气的流向111为左进右出，此时第一外循环风道内的冷空气的流向112为前进后出，或者后进前出，即第一内循环风道内热空气的流向111与第一外循环风道内的冷空气流向112交叉，第一级温控部件11的内外循环风道的流向交叉，相应的，第二内循环风道和第二外循环风道为风流流向呈交叉的两个风道，具体的，本实施例中，由于第二级温控部件22设置在柜门20上，所以此时，第二内循环风道的流向221可以为上进下出，第二外循环风道内冷空气的流向222为左进右出，或者右进左出，即第二外循环风道的进风口位于柜门20的左边，出风口位于柜门20的右边，或者第二外循环风道的进风口位于柜门20的右边，第二外循环风道的出风口位于柜门20的左边，或者本实施例中，第二内循环风道的流向可以左进右出，第二外循环风道内冷空气的流向为下进上出，或者上进下出。
实施例三
图3A是本申请实施例三提供的机柜的主视图中温控部件的内外循环风道中风流流向的结构示意图，图3B是本申请实施例三提供的机柜的主视图中温控部件的内外循环风道中风流流向的又一结构示意图，图3C是本申请实施例三提供的机柜的主视图中温控部件的内外循环风道中风流流向的再一结构示意图。
本实施例提供的机柜与上述实施例的区别为：本实施例中，如图3C所示，第一内循环风道和第一外循环风道为风流流向呈互逆的两个风道，第二内循环风道和第二外循环风道为风流流向呈交叉的两个风道，或者，如图3A-图3B所示，第一内循环风道和第一外循环风道为风流流向呈交叉的两个风道，第二内循环风道和第二外循环风道为风流流向呈互逆的两个风道，即第一级温控部件11和第二级温控部件22中的其中一个内外循环风道内风流流向互逆，另一个内外循环风道内风流流向交叉，举例来说，当第一级温控部件11设置在柜体10的顶部，第二级温控部件22设置在柜门20上，此时，第一内循环风道与第一外循环风道交叉，第二内循环风道与第二外循环风道互逆，例如，第一内循环风道为后进前出，即前后风道，第一外循环风道为左进右出，或者右进左出，即左右风道，第二内循环风道为上进下出，即上下风道，第二外循环为下进上出，与第二内循环风道互逆，本实施例中，由于第一级温控部件11还可以设置在柜门20上，第二级温控部件22设在柜体10的顶部，此时，第一级温控部件11的内外循环风道可以为互逆的上下风道，第二级温控部件22的内外循环风道分别为交叉的前后风道和左右风道。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应作广义理解，例如，可以使固定连接，也可以是通过中间媒介间接相连，可以是两个元件内部的连通或者两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明的描述中，需要理解的是，术语“上”、“下”、“前”、“后”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或者位置关系为 基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或者暗示所指的装置或者元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。在本发明的描述中，“多个”的含义是两个或两个以上，除非是另有精确具体地规定。
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”、“第三”、“第四”等(如果存在)是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施例例如能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (17)

  1. 一种机柜，其特征在于，包括：
    机柜本体，所述机柜本体上设有用于对所述机柜本体进行控温的第一级温控部件，且所述机柜本体上设有至少一个可供第二级温控部件连接在所述机柜本体上的温控扩容接口，以使所述机柜本体上可扩展设置所述第二级温控部件。
  2. 根据权利要求1所述的机柜，其特征在于，还包括：所述第二级温控部件，所述第二级温控部件通过所述温控扩容接口设在所述机柜本体上，且所述第二级温控部件和所述第一级温控部件在所述机柜本体内形成循环冷却风道。
  3. 根据权利要求2所述的机柜，其特征在于，所述第一级温控部件内设有第一内循环风道和第一外循环风道，所述第二级温控部件内设有第二内循环风道和第二外循环风道，且所述第一内循环风道和所述第二内循环风道的进风口和出风口均与所述机柜本体内的内部空间相通，以使所述机柜本体内形成所述循环冷却风道，所述第一外循环风道和所述第二外循环风道的进风口和出风口均与所述机柜本体的外部相通。
  4. 根据权利要求3所述的机柜，其特征在于，所述第一内循环风道和第一外循环风道为风流流向呈互逆的两个风道，所述第二内循环风道和第二外循环风道为风流流向呈互逆的两个风道。
  5. 根据权利要求3所述的机柜，其特征在于，所述第一内循环风道和第一外循环风道为风流流向呈交叉的两个风道，所述第二内循环风道和第二外循环风道为风流流向呈交叉的两个风道。
  6. 根据权利要求3所述的机柜，其特征在于，所述第一内循环风道和第一外循环风道为风流流向呈互逆的两个风道，所述第二内循环风道和第二外循环风道为风流流向呈交叉的两个风道，或者，
    所述第一内循环风道和第一外循环风道为风流流向呈交叉的两个风道，所述第二内循环风道和第二外循环风道为风流流向呈互逆的两个风道。
  7. 根据权利要求3-6任一所述的机柜，其特征在于，所述机柜本体包括柜体和柜门，其中，所述第一级温控部件设在所述柜体或所述柜门上，所述温控扩容接口开设在所述柜体或所述柜门上。
  8. 根据权利要求7所述的机柜，其特征在于，所述第一级温控部件设在所述柜体的顶部，所述温控扩容接口设在所述柜门上，以使所述柜门上可扩展设置所述第二级温控部件。
  9. 根据权利要求7所述的机柜，其特征在于，所述第一级温控部件设在所述柜门上，所述温控扩容接口开设在所述柜体的顶部端面上，以使所述柜体上可扩展设置所述第二级温控部件。
  10. 根据权利要求7-9任一所述的机柜，其特征在于，所述第一级温控部件设在所述柜体的顶部，所述第二级温控部件设在所述柜门上，所述第一内循环风道的出风口靠近所述柜门设置，所述第一内循环风道的进风口靠近所述柜体的后侧壁设置，所述第二内循环风道的进风口靠近所述第一内循环风道的出风口设置，所述第二内循环风道的出风口靠近所述柜门的底端设置，或者，
    所述第一内循环风道的出风口和进风口分别靠近所述柜体内相对的两个内侧壁设置，所述第二内循环风道的进风口靠近所述第一内循环风道的出风口设置，所述第二内循环风道的出风口设置在所述柜门远离所述第二内循环风道进风口的一端上。
  11. 根据权利要求7-9任一所述的机柜，其特征在于，所述第一级温控部件设在所述柜体的顶部，所述第二级温控部件设在所述柜门上，所述第一外循环风道的出风口和进风口在所述第一级温控部件的侧面或者顶面开设，所述第二外循环风道的进风口和出风口开设在所述柜门上。
  12. 根据权利要求7-9任一所述的机柜，其特征在于，所述第一级温控部件设在所述柜体的顶部，所述第二级温控部件设在所述柜门上，且所述第一级温控部件的第一外循环风道的进风口数量为一个或多个，且所述第一外循环风道的多个进风口分别位于所述第一级温控部件的侧面和/或顶面。
  13. 根据权利要求3-12任一所述的机柜，其特征在于，所述第一内循环风道的进风口以及所述第二内循环风道的进风口处均设有内循环风机；
    所述第一外循环风道的进风口以及所述第二外循环风道的进风口处均设有外循环风机。
  14. 根据权利要求1-13任一所述的机柜，其特征在于，还包括：盖板，所述盖板用于当所述温控扩容接口上未连接所述第二级温控部件时盖设在所述温控扩容接口上，以使所述温控扩容接口处于封闭状态。
  15. 根据权利要求1-14任一所述的机柜，其特征在于，所述机柜为户外机柜或室内机柜。
  16. 根据权利要求1-15任一所述的机柜，其特征在于，所述第一级温控部件和所述第二级温控部件为热交换器、空调、半导体制冷空调中的一种或多种组成而成的温控部件。
  17. 根据权利要求1-16任一所述的机柜，其特征在于，还包括：降噪部件，所述降噪部件设在所述第二级温控部件上。
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