CN207853275U - A dust-proof and heat-dissipating electrical cabinet - Google Patents
A dust-proof and heat-dissipating electrical cabinet Download PDFInfo
- Publication number
- CN207853275U CN207853275U CN201820047398.8U CN201820047398U CN207853275U CN 207853275 U CN207853275 U CN 207853275U CN 201820047398 U CN201820047398 U CN 201820047398U CN 207853275 U CN207853275 U CN 207853275U
- Authority
- CN
- China
- Prior art keywords
- dust
- electrical cabinet
- proof
- plate
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 claims abstract description 43
- 230000017525 heat dissipation Effects 0.000 claims abstract description 10
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 206010037660 Pyrexia Diseases 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000027950 fever generation Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000010960 cold rolled steel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
技术领域technical field
本实用新型涉及一种医疗器械处理装置，具体为一种防尘散热电气柜。The utility model relates to a medical device processing device, in particular to a dust-proof and heat-dissipating electric cabinet.
背景技术Background technique
电气柜是由钢材质加工而成用来保护元器件正常工作的柜子。电气柜制作材料一般分为热轧钢板和冷轧钢板两种。冷轧钢板相对热轧钢板更材质柔软，更适合电气柜的制作。电气柜用途广泛主要用于化工行业，环保行业，电力系统，冶金系统，工业，核电行业，消防安全监控，交通行业等等。电气柜是按电气接线要求将开关设备、测量仪表、保护电气和辅助设备组装在金属柜中，柜内的各种电气元件成为热源，随着各电气元件的工作时间变长，电气柜内部的温度逐渐升高，过高的温度会损坏电气元件，传统的电气柜散热效果不够好，散热风扇设置在柜体两端，或者设置在柜体顶部，散热扇吹出的风，只能对局部的电器进行降温，而且电气柜置于室外，室外的灰尘很容易进入电气柜中，厚重的灰尘影响电气柜电气元件的正常使用。The electrical cabinet is a cabinet made of steel to protect the normal operation of components. The materials for making electrical cabinets are generally divided into two types: hot-rolled steel plates and cold-rolled steel plates. Compared with hot-rolled steel sheets, cold-rolled steel sheets are softer and more suitable for the production of electrical cabinets. Electrical cabinets are widely used mainly in chemical industry, environmental protection industry, power system, metallurgical system, industry, nuclear power industry, fire safety monitoring, transportation industry and so on. The electrical cabinet is to assemble switchgear, measuring instruments, protective electrical equipment and auxiliary equipment in a metal cabinet according to the requirements of electrical wiring. Various electrical components in the cabinet become heat sources. The temperature rises gradually, and excessive temperature will damage the electrical components. The heat dissipation effect of the traditional electrical cabinet is not good enough. The cooling fans are installed at both ends of the cabinet or on the top of the cabinet. The electrical appliances are cooled, and the electrical cabinet is placed outdoors, and the outdoor dust can easily enter the electrical cabinet, and the heavy dust will affect the normal use of the electrical components of the electrical cabinet.
因此，需要设计一种防尘散热电气柜来解决此类问题。Therefore, it is necessary to design a dust-proof and heat-dissipating electrical cabinet to solve this type of problem.
实用新型内容Utility model content
本实用新型的目的在于提供一种防尘散热电气柜，以解决上述背景技术中提出的问题。The purpose of this utility model is to provide a dust-proof and heat-dissipating electrical cabinet to solve the problems raised in the above-mentioned background technology.
为实现上述目的，本实用新型提供如下技术方案：一种防尘散热电气柜，包括顶板、防尘罩、隔尘网、侧板、弓形管、吸尘板、底板、支撑腿、鼓风机、安装座、鼓风管、主板、散热板、出风管、电气柜主体、感温器、气孔、温度显示器、PLC控制器、柜门把手和柜门，所述电气柜主体的顶部设置有顶板，所述顶板的底部安装有感温器，所述顶板的顶部连接有安装座，所述安装座顶部安装有鼓风机，所述鼓风机通过鼓风管连接在弓形管，所述弓形管的一端连接有出风管，所述电气柜主体的底部设置有底板，所述底板的顶部设置有吸尘板，所述底板的底部设置有支撑腿，所述电气柜主体的两侧分别设置有侧板，两个所述侧板上分别设置有散热板，所述散热板外壁的一侧设置有防尘罩，所述防尘罩的底部安装有隔尘网，所述电气柜主体的一侧设置有柜门,所述柜门上分别设置有温度显示器、PLC控制器和柜门把手。In order to achieve the above purpose, the utility model provides the following technical solutions: a dust-proof and heat-dissipating electrical cabinet, including a top plate, a dust cover, a dust-proof net, a side plate, a bow-shaped pipe, a dust-absorbing plate, a bottom plate, a supporting leg, a blower, an installation Seat, blast pipe, main board, heat dissipation plate, air outlet pipe, electrical cabinet main body, temperature sensor, air hole, temperature display, PLC controller, cabinet door handle and cabinet door, the top of the electrical cabinet main body is provided with a top plate, The bottom of the top plate is equipped with a temperature sensor, the top of the top plate is connected with a mounting seat, and a blower is installed on the top of the mounting seat, and the blower is connected to the bow pipe through the blowing pipe, and one end of the bow pipe is connected to a The air outlet pipe, the bottom of the main body of the electrical cabinet is provided with a bottom plate, the top of the bottom plate is provided with a dust suction plate, the bottom of the bottom plate is provided with supporting legs, and the two sides of the main body of the electrical cabinet are respectively provided with side plates, The two side plates are respectively provided with a heat dissipation plate, one side of the outer wall of the heat dissipation plate is provided with a dust cover, the bottom of the dust cover is provided with a dust screen, and one side of the main body of the electrical cabinet is provided with a A cabinet door is respectively provided with a temperature display, a PLC controller and a cabinet door handle.
进一步的，所述弓形管设置在主板上，且弓形管的一侧等距设置有气孔。Further, the arcuate tube is arranged on the main board, and one side of the arcuate tube is equidistantly provided with air holes.
进一步的，所述吸尘板通过滑轨滑动连接在底板上，且吸尘板的顶部安装有吸尘棉。Further, the dust collection board is slidably connected to the base plate through slide rails, and dust collection cotton is installed on the top of the dust collection board.
进一步的，所述防尘罩为梯形结构，且关于防尘口底端水平向上倾斜角度为六十度。Further, the dust-proof cover has a trapezoidal structure, and the horizontal upward inclination angle with respect to the bottom end of the dust-proof port is 60 degrees.
进一步的，所述侧板上设置有两个防尘罩。Further, two dustproof covers are arranged on the side plate.
进一步的，所述PLC控制器分别电性连接于鼓风机、感温器和温度显示器。Further, the PLC controller is electrically connected to the blower, the temperature sensor and the temperature display respectively.
与现有技术相比，本实用新型的有益效果是：该种防尘散热电气柜，顶部设置有鼓风机，鼓风机的一端连接有弓形管，弓形管安装在柜体内部的主板上，当安装在主板上的电器，长时间工作，电器局部发热，使电气柜的温度升高，安装在顶板底部的感温器，通过对温度的检测，把数据传输至PLC控制器上，通过PLC控制器的处理，对鼓风机进行控制，鼓风机开始工作，鼓风机产生的空气，通过弓形管上的气孔，对电器进行吹风，使电器周围的空气流动加快，能够更好的对电器进行降温，设置在电气柜主体外侧的防尘罩，形状为梯形，且防尘罩的底部设置有防尘网，能够减少外部灰尘的进入，设置在底板顶部的吸尘板，能够吸附电气柜内部运动的灰尘，两次吸尘，能够更好的使电器柜内部保持清洁。Compared with the prior art, the beneficial effect of the utility model is: the dust-proof and heat-dissipating electrical cabinet is provided with a blower on the top, and one end of the blower is connected with a bow-shaped tube, and the bow-shaped tube is installed on the main board inside the cabinet. The electrical appliances on the main board work for a long time, and the local heating of the electrical appliances will increase the temperature of the electrical cabinet. The temperature sensor installed at the bottom of the top plate will transmit the data to the PLC controller through the temperature detection. Processing, control the blower, the blower starts to work, the air generated by the blower blows the electrical appliances through the air holes on the bow tube, so that the air flow around the electrical appliances can be accelerated, and the electrical appliances can be cooled better. It is installed in the main body of the electrical cabinet The outer dust cover is trapezoidal in shape, and the bottom of the dust cover is equipped with a dust net, which can reduce the entry of external dust. The dust suction plate set on the top of the bottom plate can absorb the moving dust inside the electrical cabinet Dust can better keep the interior of the electrical cabinet clean.
附图说明Description of drawings
图1是本实用新型的内部结构示意图；Fig. 1 is a schematic diagram of the internal structure of the utility model;
图2是本实用新型的左视结构示意图；Fig. 2 is a left view structural representation of the utility model;
图3是本实用新型的弓形管结构示意图；Fig. 3 is a structural schematic diagram of the bow tube of the present utility model;
图4是本实用新型的电气柜主体结构示意图；Fig. 4 is a schematic diagram of the main structure of the electrical cabinet of the present utility model;
附图标记中：1、顶板；2、防尘罩；3、隔尘网；4、侧板；5、弓形管；6、吸尘板；7、底板；8、支撑腿；9、鼓风机；10、安装座；11、鼓风管；12、主板；13、散热板；14、出风管；15、电气柜主体；16、感温器；17、气孔；18、温度显示器；19、PLC控制器；20、柜门把手；21、柜门。Among the reference signs: 1, top plate; 2, dustproof cover; 3, dust-proof net; 4, side plate; 5, arcuate tube; 6, dust-absorbing plate; 7, bottom plate; 10. Mounting seat; 11. Blast pipe; 12. Main board; 13. Radiating plate; 14. Air outlet pipe; 15. Main body of electrical cabinet; 16. Temperature sensor; 17. Air hole; 18. Temperature display; 19. PLC Controller; 20, cabinet door handle; 21, cabinet door.
具体实施方式Detailed ways
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
请参阅图1-4，本实用新型提供一种技术方案：一种防尘散热电气柜，包括顶板1、防尘罩2、隔尘网3、侧板4、弓形管5、吸尘板6、底板7、支撑腿8、鼓风机9、安装座10、鼓风管11、主板12、散热板13、出风管14、电气柜主体15、感温器16、气孔17、温度显示器18、PLC控制器19、柜门把手20和柜门21，电气柜主体15的顶部设置有顶板1，顶板1的底部安装有感温器16，顶板1的顶部连接有安装座10，安装座10顶部安装有鼓风机9，鼓风机9通过鼓风管11连接在弓形管5，弓形管5的一端连接有出风管14，电气柜主体15的底部设置有底板7，底板7的顶部设置有吸尘板6，底板7的底部设置有支撑腿8，电气柜主体15的两侧分别设置有侧板4，两个侧板4上分别设置有散热板13，散热板13外壁的一侧设置有防尘罩2，防尘罩2的底部安装有隔尘网3，电气柜主体15的一侧设置有柜门21,柜门21上分别设置有温度显示器18、PLC控制器19和柜门把手20。Please refer to Figures 1-4, the utility model provides a technical solution: a dust-proof and heat-dissipating electrical cabinet, including a top plate 1, a dust cover 2, a dust-proof net 3, a side plate 4, an arched tube 5, and a dust-absorbing plate 6 , base plate 7, supporting legs 8, blower 9, mounting base 10, blast pipe 11, main board 12, cooling plate 13, air outlet pipe 14, electrical cabinet main body 15, temperature sensor 16, air hole 17, temperature display 18, PLC The controller 19, the cabinet door handle 20 and the cabinet door 21, the top of the electrical cabinet main body 15 is provided with a top plate 1, the bottom of the top plate 1 is equipped with a temperature sensor 16, the top of the top plate 1 is connected with a mounting base 10, and the top of the mounting base 10 is installed There is a blower 9, and the blower 9 is connected to the bow pipe 5 through the blowing pipe 11, and one end of the bow pipe 5 is connected to an air outlet pipe 14, and the bottom of the main body 15 of the electrical cabinet is provided with a base plate 7, and the top of the base plate 7 is provided with a dust collection plate 6 , the bottom of the bottom plate 7 is provided with supporting legs 8, the two sides of the main body 15 of the electrical cabinet are respectively provided with side plates 4, the two side plates 4 are respectively provided with heat dissipation plates 13, and one side of the outer wall of the heat dissipation plate 13 is provided with a dust cover 2. A dust screen 3 is installed on the bottom of the dust cover 2, and a cabinet door 21 is provided on one side of the main body 15 of the electrical cabinet, and a temperature display 18, a PLC controller 19 and a cabinet door handle 20 are respectively provided on the cabinet door 21.
进一步的，弓形管5设置在主板12上，且弓形管5的一侧等距设置有气孔17，弓形管5上均匀的安装在主板12上，且和安装在主板12上的电器紧密相连，当电器温度过高时，弓形管5上的气孔17，可以对电器进行吹风，加速电器周围空气的流动，使电器散热更快速。Further, the arcuate tube 5 is arranged on the main board 12, and one side of the arcuate tube 5 is equidistantly provided with air holes 17, the arcuate tube 5 is evenly installed on the main board 12, and is closely connected with the electrical appliances installed on the main board 12, When the temperature of the electrical appliance is too high, the air hole 17 on the bow tube 5 can blow the electrical appliance, accelerate the flow of air around the electrical appliance, and make the electrical appliance dissipate heat faster.
进一步的，吸尘板6通过滑轨滑动连接在底板7上，且吸尘板6的顶部安装有吸尘棉，可滑动的吸尘板6，在清扫时，方便打扫，安装在吸尘板上的吸尘棉可以进行拆卸，可以拆卸。Further, the dust collection board 6 is slidably connected to the bottom plate 7 through slide rails, and the top of the dust collection board 6 is equipped with dust suction cotton, and the slidable dust collection board 6 is convenient for cleaning when cleaning, and is installed on the dust collection board. The dust-absorbing cotton on the top can be disassembled and can be disassembled.
进一步的，防尘罩2为梯形结构，且关于防尘口底端水平向上倾斜角度为六十度，防尘口底端水平向上倾斜角度为六十度，根据灰尘受到地心引力的作用，可以减少灰尘进入电气柜主体15的内部。Further, the dustproof cover 2 has a trapezoidal structure, and the bottom end of the dustproof port is horizontally upwardly inclined at an angle of 60 degrees, and the horizontal upward slope angle of the bottom end of the dustproof port is 60 degrees. It is possible to reduce the entry of dust into the inside of the electrical cabinet main body 15 .
进一步的，侧板4上设置有两个防尘罩2，两个防尘罩能够把流动的灰尘，更好的隔离在电气柜主体15的外部，使电气柜主体内部的气流方便排放出去。Further, two dustproof covers 2 are arranged on the side plate 4, and the two dustproof covers can better isolate the flowing dust outside the main body 15 of the electrical cabinet, so that the airflow inside the main body of the electrical cabinet can be easily discharged.
进一步的，PLC控制器19分别电性连接于鼓风机9、感温器16和温度显示器18，PLC控制器能够分别电性连接鼓风机9、温感器16和温度显示器18，能够使电气柜主体15操作更方便，节省了人工对电气柜操作。Further, the PLC controller 19 is electrically connected to the blower 9, the temperature sensor 16 and the temperature display 18 respectively, and the PLC controller can be electrically connected to the blower 9, the temperature sensor 16 and the temperature display 18 respectively, so that the electrical cabinet main body 15 The operation is more convenient, saving manual operation on the electrical cabinet.
工作原理：工作时，顶部设置有鼓风机9，鼓风机9的一端通过鼓风管11连接有弓形管5，弓形管5安装在电气柜主体15内部的主板12上，当安装在主板12上的电器，长时间工作，电器局部发热，使电气柜内部的温度升高，安装在顶板底部的感温器16，通过对温度的检测，把数据传输至PLC控制器19上，通过PLC控制器19的处理，对鼓风机9进行控制，鼓风机9开始工作，鼓风机9产生的空气，通过弓形管5上的气孔17，气孔17能够均匀的对电器进行对吹风，使电器周围的空气流动加快，使电器降温更快，设置在电气柜主体15外侧的防尘罩2，形状为梯形，且防尘罩2的底部设置有隔尘网3，能够减少外部灰尘的进入，设置在底板7顶部的吸尘板6，能够吸附电气柜内部运动的灰尘，两次吸尘，能够更好的使电器柜内部保持清洁。Working principle: when working, a blower 9 is installed on the top, and one end of the blower 9 is connected to a bow-shaped tube 5 through a blower tube 11. The bow-shaped tube 5 is installed on the main board 12 inside the main body 15 of the electrical cabinet. , working for a long time, the electrical appliances will generate heat locally, which will increase the temperature inside the electrical cabinet, and the temperature sensor 16 installed at the bottom of the top plate will transmit the data to the PLC controller 19 through the detection of the temperature. Processing, the blower 9 is controlled, the blower 9 starts to work, the air generated by the blower 9 passes through the air hole 17 on the arcuate tube 5, and the air hole 17 can evenly blow the electrical appliances, so that the air flow around the electrical appliances is accelerated, and the temperature of the electrical appliances is cooled. Faster, the dust cover 2 arranged on the outside of the electrical cabinet main body 15 is trapezoidal in shape, and the bottom of the dust cover 2 is provided with a dust screen 3, which can reduce the entry of external dust. 6. It can absorb the moving dust inside the electrical cabinet, and vacuum twice to better keep the inside of the electrical cabinet clean.
尽管已经示出和描述了本实用新型的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本实用新型的范围由所附权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820047398.8U CN207853275U (en) | 2018-01-12 | 2018-01-12 | A dust-proof and heat-dissipating electrical cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820047398.8U CN207853275U (en) | 2018-01-12 | 2018-01-12 | A dust-proof and heat-dissipating electrical cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207853275U true CN207853275U (en) | 2018-09-11 |
Family
ID=63418118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820047398.8U Expired - Fee Related CN207853275U (en) | 2018-01-12 | 2018-01-12 | A dust-proof and heat-dissipating electrical cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207853275U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462153A (en) * | 2018-12-27 | 2019-03-12 | 长沙小如信息科技有限公司 | A kind of electrical cabinet of energy-saving radiating |
| CN111490481A (en) * | 2020-05-25 | 2020-08-04 | 山东省产品质量检验研究院 | High-low voltage power distribution cabinet convenient to fixed electrical equipment |
| CN112563944A (en) * | 2020-12-04 | 2021-03-26 | 深圳供电局有限公司 | Secondary screen cabinet structure of transformer substation |
-
2018
- 2018-01-12 CN CN201820047398.8U patent/CN207853275U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462153A (en) * | 2018-12-27 | 2019-03-12 | 长沙小如信息科技有限公司 | A kind of electrical cabinet of energy-saving radiating |
| CN111490481A (en) * | 2020-05-25 | 2020-08-04 | 山东省产品质量检验研究院 | High-low voltage power distribution cabinet convenient to fixed electrical equipment |
| CN112563944A (en) * | 2020-12-04 | 2021-03-26 | 深圳供电局有限公司 | Secondary screen cabinet structure of transformer substation |
| CN112563944B (en) * | 2020-12-04 | 2023-03-03 | 深圳供电局有限公司 | A substation secondary screen cabinet structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207853275U (en) | A dust-proof and heat-dissipating electrical cabinet | |
| CN107357374A (en) | A kind of movable case with quick heat radiating function | |
| CN206806817U (en) | A kind of radiating dustproof multifunction power cabinet | |
| CN112038953B (en) | An autonomous rain-proof heat dissipation power distribution cabinet | |
| CN114552791A (en) | Real-time monitoring system of low-voltage power distribution cabinet | |
| CN104039105A (en) | Negative pressure heat radiating electric equipment cabinet | |
| CN219180984U (en) | Safety type switch cabinet based on industrial Internet | |
| CN205681721U (en) | A heat dissipation and dustproof installation box for electrical automation control devices | |
| CN205392045U (en) | Power generating equipment's cooling dust collector | |
| CN211829842U (en) | Heat radiation structure for electric power transformer box | |
| CN110290678A (en) | A kind of network security data transmission device | |
| CN209643151U (en) | A kind of novel and multifunctional Electric Appliance Cabinet | |
| CN205546361U (en) | A cooling device for power communication | |
| CN205407031U (en) | Dustproof block terminal of heat dissipation | |
| CN210723858U (en) | Heat dissipation power equipment for power engineering | |
| CN209842535U (en) | A top-mounted breathing computer cooling case | |
| CN209767987U (en) | An easy-to-clean electrical cabinet | |
| CN216672334U (en) | An intelligent control cabinet for industrial electrical equipment monitoring | |
| CN217642231U (en) | Power plant control cabinet with temperature control and cooling functions | |
| CN211208921U (en) | Integrated control cabinet for smart power grids | |
| CN204440287U (en) | Dustproof heat dissipation cabinet | |
| CN209897510U (en) | Cyclone cooling electrical cabinet | |
| CN208112026U (en) | A distribution box for a construction site | |
| CN208539405U (en) | A kind of metal distribution box protective device | |
| CN207926415U (en) | A frequency converter with strong protection performance and shock resistance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20200112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |