CN108040450A - A kind of adjustable energy-saving radiating formula network cabinet of partition plate - Google Patents
A kind of adjustable energy-saving radiating formula network cabinet of partition plate Download PDFInfo
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- CN108040450A CN108040450A CN201711269962.7A CN201711269962A CN108040450A CN 108040450 A CN108040450 A CN 108040450A CN 201711269962 A CN201711269962 A CN 201711269962A CN 108040450 A CN108040450 A CN 108040450A
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- 238000005192 partition Methods 0.000 title claims abstract description 41
- 238000009423 ventilation Methods 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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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
- H05K7/20536—Modifications to facilitate cooling, ventilating, or heating for racks or cabinets of standardised dimensions, e.g. electronic racks for aircraft or telecommunication equipment
- H05K7/20554—Forced ventilation of a gaseous coolant
- H05K7/20572—Forced ventilation of a gaseous coolant within cabinets for removing heat from sub-racks, e.g. plenum
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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
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1485—Servers; Data center rooms, e.g. 19-inch computer racks
- H05K7/1488—Cabinets therefor, e.g. chassis or racks or mechanical interfaces between blades and support structures
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
本发明涉及网络机柜相关技术领域，具体涉及一种隔板可调的节能散热式网络机柜，柜体顶部开有通风孔，通风孔内螺纹连接有通风管，通风管顶部固定连接有无动力风帽，柜体内部上方固定连接有固定板，固定板上开有通气孔，固定板和柜体底部之间设有滑杆和轴承座，隔板穿过滑杆，与螺杆螺纹连接，柜体两侧固定设有定位导轨穿过隔板，从动齿轮固定套接在螺杆顶部，惰轮与从动齿轮啮合连接，惰轮下端固定连接有转轴，转轴底部转动套接在固定板上，主动齿轮与惰轮啮合连接，主动齿轮下端固定连接有主动轴，主动轴往下穿过固定板与转盘固定连接，转盘下方设有把手。
The invention relates to the related technical field of network cabinets, in particular to an energy-saving and heat-dissipating network cabinet with adjustable partitions. There is a ventilation hole on the top of the cabinet, and a ventilation pipe is connected to the internal thread of the ventilation hole. , the upper part of the cabinet is fixedly connected with a fixed plate, and there is a vent hole on the fixed plate. There is a sliding rod and a bearing seat between the fixed plate and the bottom of the cabinet. The partition passes through the sliding rod and is connected with the screw thread. The side is fixed with a positioning guide rail passing through the partition, the driven gear is fixedly sleeved on the top of the screw, the idler gear is meshed with the driven gear, the lower end of the idler gear is fixedly connected with a rotating shaft, and the bottom of the rotating shaft is rotated and sleeved on the fixed plate, and the driving gear It is meshed with the idler gear, and the lower end of the driving gear is fixedly connected with a driving shaft, and the driving shaft goes down through the fixed plate and is fixedly connected with the turntable, and a handle is arranged below the turntable.
Description
技术领域technical field
本发明涉及网络机柜相关技术领域，具体涉及一种隔板可调的节能散热式网络机柜。The invention relates to the related technical field of network cabinets, in particular to an energy-saving and heat-dissipating network cabinet with adjustable partitions.
背景技术Background technique
网络机柜，用来组合安装面板、插件、插箱、电子元件、器件和机械零件与部件，使其构成一个整体的安装箱。根据目前的类型来看，有服务器机柜、壁挂式机柜、网络型机柜、标准机柜、智能防护型室外机柜等。容量值在2U到42U之间。The network cabinet is used to combine installation panels, plug-ins, sub-boxes, electronic components, devices and mechanical parts and components to form an integral installation box. According to the current types, there are server cabinets, wall-mounted cabinets, network cabinets, standard cabinets, intelligent protective outdoor cabinets, etc. The capacity value is between 2U and 42U.
早期所用的网络机柜大都是用铸件或角钢经螺钉、铆钉连接或焊接成机柜框架，再加由薄钢板制成的盖板(门)而成。这种机柜的体积大、笨重、外形简陋，已被淘汰。随着晶体管、集成电路的使用和各种元件、器件的超小型化，机柜的结构也向小型化、积木化方向发展。网络机柜已由过去的整面板结构发展成为具有一定尺寸系列的插箱、插件结构。插箱、插件的组装排列方式分水平排列和垂直排列两类。网络机柜材料普遍采用薄钢板、各种断面形状的钢型材、铝型材及各种工程塑料等。网络机柜的框架除用焊接、螺钉连接外，还采用粘接工艺。Most of the network cabinets used in the early days were made of castings or angle steels connected or welded into cabinet frames by screws, rivets, and then made of cover plates (doors) made of thin steel plates. This kind of cabinet has been eliminated due to its large volume, heavy weight and simple appearance. With the use of transistors and integrated circuits and the miniaturization of various components and devices, the structure of the cabinet is also developing in the direction of miniaturization and building blocks. The network cabinet has developed from the whole panel structure in the past to a sub-box and plug-in structure with a certain size series. There are two types of assembly and arrangement of subracks and plug-ins: horizontal arrangement and vertical arrangement. Network cabinet materials generally use thin steel plates, steel profiles of various cross-sectional shapes, aluminum profiles, and various engineering plastics. The frame of the network cabinet is not only welded and screwed, but also bonded.
网络机柜主要是存放路由器,交换机,配线架等网络设备及配件，深度一般小于800MM，宽度600和800MM都有，前门一般为透明钢化玻璃门，对散热及环境要求不高。The network cabinet is mainly used to store network equipment and accessories such as routers, switches, and distribution frames. The depth is generally less than 800MM, and the width is 600 and 800MM.
现有的网络机柜在散热方面常常采用风扇散热，噪声大且耗费较多的能源，因为网络机构散热要求并不高，因此现有的散热结构需要进行改进，另外现有的网络机柜内部防止交换机等网络设备和配件的隔板通常是固定设置在柜体内部的，高度不能灵活的调节，有很大的局限性。Existing network cabinets often use fans for heat dissipation, which is noisy and consumes more energy. Because the heat dissipation requirements of network institutions are not high, the existing heat dissipation structure needs to be improved. In addition, the existing network cabinets prevent switches from The partitions of network equipment and accessories are usually fixed inside the cabinet, and the height cannot be adjusted flexibly, which has great limitations.
发明内容Contents of the invention
(一)解决的技术问题(1) Solved technical problems
针对现有技术的不足，本发明提供了一种隔板可调的节能散热式网络机柜，主要用于解决现有的网络机柜散热结构复杂，能耗高，且内部的隔板高度不可调整的问题。Aiming at the deficiencies of the prior art, the present invention provides an energy-saving and heat-dissipating network cabinet with adjustable partitions, which is mainly used to solve the problem that the existing network cabinets have complex heat dissipation structures, high energy consumption, and the height of the internal partitions cannot be adjusted. question.
(二)技术方案(2) Technical solutions
为实现以上目的，本发明通过以下技术方案予以实现：To achieve the above object, the present invention is achieved through the following technical solutions:
一种隔板可调的节能散热式网络机柜，包括柜门和柜体，所述柜门与所述柜体转动铰接，其特征在于：还包括散热装置和调整装置，所述散热装置包括无动力风帽，所述柜体顶部开有通风孔，所述通风孔内螺纹连接有通风管，所述通风管顶部固定连接有所述无动力风帽，所述柜体内部上方固定连接有固定板，所述固定板上开有通气孔，所述调整装置包括滑杆、螺杆、隔板和转盘，所述固定板和所述柜体底部之间固定设有所述滑杆和轴承座，所述轴承座内转动套接有所述螺杆，所述隔板穿过所述滑杆，与所述螺杆螺纹连接，所述柜体两侧固定设有定位导轨，所述隔板两侧开有滑槽，所述定位导轨套接在所述滑槽中，所述固定板和所述柜体顶部的间隔中设有主动齿轮、从动齿轮和惰轮，其中，所述从动齿轮固定套接在所述螺杆顶部，所述惰轮与所述从动齿轮啮合连接，所述惰轮下端固定连接有转轴，所述转轴底部转动套接在所述固定板上，所述主动齿轮与所述惰轮啮合连接，所述主动齿轮下端固定连接有主动轴，所述主动轴往下穿过所述固定板与所述转盘固定连接，其中所述主动轴上转动套接有第二轴承座，所述第二轴承座固定设置在所述固定板上，所述转盘下方设有把手。An energy-saving and heat-dissipating network cabinet with adjustable partitions, including a cabinet door and a cabinet body. The power wind cap, the top of the cabinet body is provided with a ventilation hole, the ventilation hole is internally threaded with a ventilation pipe, the top of the ventilation pipe is fixedly connected with the non-powered wind cap, and the upper part of the cabinet body is fixedly connected with a fixing plate, There are ventilation holes on the fixing plate, and the adjusting device includes a sliding rod, a screw, a partition and a turntable, the sliding rod and the bearing seat are fixed between the fixing plate and the bottom of the cabinet, and the The screw rod is rotated and sleeved in the bearing seat, and the partition board passes through the slide rod and is threadedly connected with the screw rod. Positioning guide rails are fixed on both sides of the cabinet body, and sliding rails are provided on both sides of the partition board. slot, the positioning guide rail is sleeved in the chute, and the gap between the fixed plate and the top of the cabinet is provided with a driving gear, a driven gear and an idler gear, wherein the driven gear is fixedly sleeved At the top of the screw rod, the idler gear is meshed with the driven gear, the lower end of the idler gear is fixedly connected with a rotating shaft, and the bottom of the rotating shaft is rotatably sleeved on the fixed plate, and the driving gear is connected to the driven gear. The idler gear is meshed and connected, the lower end of the driving gear is fixedly connected with a driving shaft, and the driving shaft passes through the fixed plate and is fixedly connected with the turntable, wherein the driving shaft is rotatably sleeved with a second bearing seat, The second bearing seat is fixedly arranged on the fixing plate, and a handle is arranged under the turntable.
优选的，所述定位导轨为十字形导轨。Preferably, the positioning guide rail is a cross guide rail.
优选的，所述惰轮的数量至少为2个。Preferably, the number of said idler wheels is at least 2.
优选的，所述隔板为矩形板，并且所述滑杆和所述螺杆分别设置在所述隔板的对角线上。Preferably, the partition is a rectangular plate, and the sliding rod and the screw are respectively arranged on the diagonal of the partition.
优选的，所述把手上设有摩擦条纹。Preferably, the handle is provided with friction stripes.
优选的，所述轴承座内部设有角接触球轴承。Preferably, angular contact ball bearings are arranged inside the bearing seat.
(三)有益效果(3) Beneficial effects
和现有技术相比，本发明的有益效果在于：(1)柜体顶部设置了无动力风帽来促进内部的通风换气，它不用电，无噪音，可长期运转；(2)通风管与通风孔的连接为螺纹连接，安装和拆卸方便；(3)内部设置了螺杆与滑杆，用于调整隔板的高度调整，且滑杆和螺杆分别设置在隔板的对角线上，使得隔板的受力分布更加均匀；(4)固定板上设置了主动齿轮、从动齿轮和惰轮，用于实现螺杆的转动，只需通过转动主动齿轮，就可转动两侧的从动齿轮，且从动齿轮的转向相同。本发明结构简单，使用和调整方便，实际效果突出。Compared with the prior art, the beneficial effects of the present invention are: (1) the top of the cabinet is provided with a non-powered wind cap to promote internal ventilation, it does not need electricity, has no noise, and can run for a long time; (2) the ventilation pipe The connection with the ventilation hole is a threaded connection, which is convenient for installation and disassembly; (3) A screw and a slide rod are arranged inside to adjust the height adjustment of the partition, and the slide rod and the screw rod are respectively arranged on the diagonal of the partition, Make the force distribution of the partition more uniform; (4) The fixed plate is equipped with a driving gear, a driven gear and an idler gear to realize the rotation of the screw. Only by turning the driving gear, the driven gears on both sides can be rotated. gear, and the steering of the driven gear is the same. The invention has the advantages of simple structure, convenient use and adjustment, and outstanding practical effect.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.
图1是本发明的主视图；Fig. 1 is the front view of the present invention;
图2是本发明的底部结构示意图；Fig. 2 is a schematic view of the bottom structure of the present invention;
图3是柜体的剖视示意图；Fig. 3 is a schematic cross-sectional view of the cabinet;
图4是柜体的右侧剖视示意图；Fig. 4 is the right side cross-sectional schematic view of cabinet;
图5是调整装置的结构示意图；Fig. 5 is the structural representation of adjustment device;
各附图标记如下：The reference signs are as follows:
1、柜门；2、柜体；3、无动力风帽；4、隔板；5、固定板；6、转盘；7、把手；8、螺杆；9、滑杆；10、定位导轨；11、从动齿轮；12、惰轮；13、主动齿轮；14、轴承座。1. Cabinet door; 2. Cabinet body; 3. Unpowered hood; 4. Partition; 5. Fixed plate; 6. Turntable; 7. Handle; 8. Screw; 9. Slider; 10. Positioning guide rail; 11. Driven gear; 12, idler gear; 13, driving gear; 14, bearing seat.
具体实施方式Detailed ways
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一端分实施例，而不是全端的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is an embodiment of one end of the present invention, rather than an embodiment of the whole end. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
如图1和图2所示的一种隔板可调的节能散热式网络机柜，包括柜门1和柜体2，柜门1与柜体2转动铰接，还包括散热装置和调整装置，散热装置包括无动力风帽3，柜体2顶部开有通风孔，通风孔内螺纹连接有通风管，通风管顶部固定连接有无动力风帽3，柜体2内部上方固定连接有固定板5，固定板5上开有通气孔，本实施例中，在网络机柜的顶部设置了无动力风帽3用于内部元件的散热换气，因为无动力风帽3不用电，无躁音，可长期运转，其利用的是空气自然规律和气流流动原理，可节省大量能源，且通风管与通风孔为螺纹连接，便于安装和拆卸。An energy-saving and heat-dissipating network cabinet with adjustable partitions as shown in Figures 1 and 2, includes a cabinet door 1 and a cabinet body 2, the cabinet door 1 and the cabinet body 2 are hinged in rotation, and also includes a heat dissipation device and an adjustment device. The device includes a non-powered air cap 3, a ventilation hole is opened on the top of the cabinet body 2, and a ventilation pipe is connected to the internal thread of the ventilation hole. There are ventilation holes on the top 5. In this embodiment, a non-powered air cap 3 is provided on the top of the network cabinet for heat dissipation and ventilation of internal components. Because the non-powered air cap 3 does not require electricity and has no noise, it can run for a long time. It utilizes the natural law of air and the principle of air flow, which can save a lot of energy, and the ventilation pipe and the ventilation hole are threaded, which is convenient for installation and disassembly.
如图3和图4所示的调整装置包括滑杆9、螺杆8、隔板4和转盘6，固定板5和柜体2底部之间固定设有滑杆9和轴承座14，轴承座14内部设有角接触球轴承，轴承座14内转动套接有螺杆8，隔板4穿过滑杆9，与螺杆8螺纹连接，柜体2两侧固定设有定位导轨10，定位导轨10为十字形导轨，隔板4两侧开有滑槽，定位导轨10套接在滑槽中，固定板5和柜体2顶部的间隔中设有主动齿轮13、从动齿轮11和惰轮12，其中，从动齿轮11固定套接在螺杆8顶部，惰轮12与从动齿轮11啮合连接，惰轮12下端固定连接有转轴，转轴底部转动套接在固定板5上，主动齿轮13与惰轮12啮合连接，主动齿轮13下端固定连接有主动轴，主动轴往下穿过固定板5与转盘6固定连接，其中主动轴上转动套接有第二轴承座，第二轴承座固定设置在固定板5上，转盘6下方设有把手7，把手7上设有摩擦条纹。The adjusting device shown in Figure 3 and Figure 4 comprises a slide bar 9, a screw 8, a partition plate 4 and a rotating disk 6, and a slide bar 9 and a bearing seat 14 are fixed between the fixed plate 5 and the bottom of the cabinet body 2, and the bearing seat 14 Angular contact ball bearings are arranged inside, and the screw rod 8 is sleeved in the bearing seat 14. The partition plate 4 passes through the slide rod 9 and is threadedly connected with the screw rod 8. Positioning guide rails 10 are fixed on both sides of the cabinet body 2. The positioning guide rails 10 are Cross-shaped guide rail, there are slide grooves on both sides of the partition plate 4, the positioning guide rail 10 is sleeved in the slide groove, and the interval between the fixed plate 5 and the top of the cabinet body 2 is provided with a driving gear 13, a driven gear 11 and an idler gear 12, Wherein, the driven gear 11 is fixedly sleeved on the top of the screw rod 8, the idler gear 12 is meshed with the driven gear 11, the lower end of the idler gear 12 is fixedly connected with a rotating shaft, and the bottom of the rotating shaft is sleeved on the fixed plate 5, and the driving gear 13 is connected with the idler gear 12. The wheels 12 are meshed and connected, and the lower end of the driving gear 13 is fixedly connected with a driving shaft, and the driving shaft passes through the fixed plate 5 and is fixedly connected with the turntable 6, wherein the driving shaft is rotated and sleeved with a second bearing seat, and the second bearing seat is fixedly arranged on the On the fixed plate 5, a handle 7 is provided below the turntable 6, and friction stripes are provided on the handle 7.
如图5所示，在本实施例中，隔板4为矩形板，并且滑杆9和螺杆8分别设置在隔板4的对角线上，目的是使得隔板4的受力分布更加均匀，因为若螺杆8设置在一侧，当隔板4上放置有交换机等网络设备时，不考虑其他因素，可简单设为这些设备与隔板4的重心位于隔板4中心线上，其相对螺杆8的支撑作用部位会有转矩作用，从而使螺杆8上的螺纹产生扭曲变形，影响螺杆8的使用寿命，因为这里沿对角线设置螺杆8以及设置的定位导轨10便是出于此种考虑，当对角线设置螺杆8以后，主动齿轮13到从动齿轮11的距离就会变大，为了减少主动齿轮13的体积，因此设置了惰轮12，且惰轮12的数量至少为2个。As shown in Figure 5, in this embodiment, the partition 4 is a rectangular plate, and the slide rod 9 and the screw 8 are respectively arranged on the diagonal of the partition 4, in order to make the force distribution of the partition 4 more uniform , because if the screw rod 8 is set on one side, when there are network devices such as switches placed on the partition 4, regardless of other factors, it can be simply set that the center of gravity of these devices and the partition 4 is located on the center line of the partition 4, and its relative The supporting part of the screw rod 8 will have a torque effect, so that the screw thread on the screw rod 8 will be twisted and deformed, which will affect the service life of the screw rod 8, because the screw rod 8 and the positioning guide rail 10 arranged along the diagonal line are here for this purpose Considering this, when the screw rod 8 is arranged diagonally, the distance from the driving gear 13 to the driven gear 11 will become larger. In order to reduce the volume of the driving gear 13, an idler 12 is provided, and the number of the idler 12 is at least 2.
本发明的工作原理如下：在使用过程中，可根据交换机等网络设备的体积和数量调整隔板4的高度，通过转动把手7转动转盘6使得主动齿轮13转动，主动齿轮13与两侧的从动齿轮11通过惰轮12啮合连接，因此主动齿轮13转动，会使得两侧的从动齿轮11的转动方向一致，从而可以使隔板4可以升高或降低，另外柜体2顶部设置了无动力风帽3，且固定板5上设置了通气孔，使得内部的热气便可以通过无动力风帽3与外界进行气体交换，且不耗费能源。The working principle of the present invention is as follows: in use, the height of the partition plate 4 can be adjusted according to the volume and quantity of network equipment such as switches, and the driving gear 13 is rotated by turning the handle 7 to rotate the turntable 6, and the driving gear 13 and the slaves on both sides Driven gear 11 is meshed and connected by idler gear 12, so the rotation of drive gear 13 will make the direction of rotation of driven gear 11 on both sides consistent, so that partition 4 can be raised or lowered. The powered wind cap 3, and the fixed plate 5 is provided with ventilation holes, so that the internal hot air can exchange gas with the outside through the non-powered wind cap 3 without consuming energy.
以上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，或者对其中端分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精神和范围。The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be described in the foregoing embodiments The recorded technical solutions are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims (6)
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| CN201711269962.7A CN108040450A (en) | 2017-12-05 | 2017-12-05 | A kind of adjustable energy-saving radiating formula network cabinet of partition plate |
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Application publication date: 20180515 |