CN103701054A - Comprehensive power distribution cabinet - Google Patents

Comprehensive power distribution cabinet Download PDF

Info

Publication number
CN103701054A
CN103701054A CN 201410006025 CN201410006025A CN103701054A CN 103701054 A CN103701054 A CN 103701054A CN 201410006025 CN201410006025 CN 201410006025 CN 201410006025 A CN201410006025 A CN 201410006025A CN 103701054 A CN103701054 A CN 103701054A
Authority
CN
Grant status
Application
Patent type
Prior art keywords
distribution cabinet
power distribution
tank
cabinet
water
Prior art date
Application number
CN 201410006025
Other languages
Chinese (zh)
Other versions
CN103701054B (en )
Inventor
余建文
Original Assignee
南宁市高照电器有限责任公司
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

Links

Abstract

The invention discloses a comprehensive power distribution cabinet. The comprehensive power distribution cabinet comprises a cabinet body, wherein a switch device, a measuring instrument, a protection appliance and an auxiliary device are arranged in the cabinet body, the left side wall, the right side wall and the rear side wall of the cabinet body are a sandwich cavity structure, an inner wall surface forming the sandwich cavity structure is made of heat conduction insulation materials, and the comprehensive power distribution cabinet also comprises a water tank, wherein the water tank and the sandwich cavity structure form circulating water circuit connection through a water pump and a connecting pipeline. Through the sandwich cavity structure, water flows inside the sandwich cavity structure can be used for cooling the inside of the comprehensive power distribution cabinet to lower the temperature inside the comprehensive power distribution cabinet, so that the normal running of each device inside the comprehensive power distribution cabinet can be guaranteed, and the application performance of the power distribution cabinet can be guaranteed. The heat radiation function is good, and the protection grade of the power distribution cabinet can reach the national standards.

Description

一种综合配电柜 An integrated power distribution cabinets

技术领域 FIELD

[0001 ] 本发明涉及配电设备领域,具体涉及一种综合配电柜。 [0001] The present invention relates to the field of power distribution equipment, particularly relates to an integrated power distribution cabinet.

背景技术 Background technique

[0002] JP系列综合配电柜,是根据电网建设改造要求及电网运行经验,本着安全、经济、合理、可靠的原则而设计的,具有电能分配、控制、保护、无功补偿、电能计量等多功能的新型户外综合配电柜,同时可根据用户要求加入漏电保护功能。 [0002] JP series Distribution Cabinet, according to the power grid construction and transformation demands and grid operating experience, in a safe, economic, rational and reliable design principles, with power distribution, control, protection, reactive power compensation, power metering new outdoor multi-functional integrated power distribution cabinets, at the same time according to user requirements to join leakage protection. 产品具有结构新颖、合理、防护等级高、安装调试、维护及检修方便等优点。 Products with a novel structure, reasonable, high degree of protection, installation, maintenance and repair and easy. 综合配电柜包括组装在封闭或半封闭金属柜中或屏幅上的开关设备、测量仪表、保护电器和辅助设备。 Distribution Cabinet assembly comprising a closed or semi-closed metal switchgear cabinet or on the web screen, measuring instruments, electrical protection and auxiliary equipment. 众所周知,压综合配电柜的核心技术之一,就是综合配电柜在运行时,由于电热的产生,导致高低压配电柜内部温度升高,简称温升,温升过大严重影响配电柜的使用性能,甚至产生电气短路事故,降低高低压配电柜柜内温度,也是配电行业共同追求的技术目标。 As we all know, one of the integrated voltage distribution cabinet's core technology is an integrated power distribution equipment in operation, due to the generation of electric heating, resulting in high and low voltage distribution cabinet internal temperature, referred to as temperature rise, temperature rise is too large a serious impact on the distribution performance counters, and even produce an electrical short circuit, reduce the high and low voltage distribution cabinet cabinet temperature, but also the distribution industry common pursuit of technical objectives. 过去行业常规作法是:在配电柜门板上开通风孔,这种形式降温的效果不明显,自然散热缺乏对流条件;另外开设通风孔后,一些异物会通过风孔进入综合配电柜内部,使得综合配电柜的防护等级达不到国家标准,因此传统的综合配电柜不具有散热功能,即使开孔勉强达到散热目的,也不可能达到高低压配电柜的防护等级。 In the past the industry standard practice is: open air hole in the power distribution panel door, this form of cooling effect is not obvious, the lack of natural heat convection conditions; addition after opening the vents, some of the foreign matter into the interior through the wind holes Distribution Cabinet, so that the protection class integrated power distribution cabinets meet the national standard, traditional distribution cabinet does not have a cooling function, even if the opening barely cooling purposes, it is impossible to achieve the protection level high and low voltage distribution cabinet.

发明内容 SUMMARY

[0003] 本发明提供一种综合配电柜,其具有良好的散热功能,且配电柜的防护等级能够达到国家标准。 [0003] The present invention provides an integrated power distribution cabinet, having a good thermal dissipation, and power distribution equipment protection level can reach the national standard.

[0004] 为实现上述目的,本发明采用如下技术方案: [0004] To achieve the above object, the present invention adopts the following technical solution:

[0005] 一种综合配电柜,其特征在于:包括柜体,柜体内设置有开关设备、测量仪表、保护电器和辅助设备,柜体的左、右侧壁和后侧壁为夹腔结构,构成夹腔结构的内壁面为导热绝缘材料构成,综合配电柜还包括一水箱,水箱通过水泵、连接管道与夹腔结构构成循环水路连接。 [0005] An integrated power distribution cabinet, characterized by: a cabinet, the cabinet is provided with a switching device, measuring instruments, electrical protection and auxiliary equipment, the cabinet left, rear right side wall and the side walls sandwiched cavity structure , sandwiched by the inner wall surface of the cavity structure of thermal insulation material, the integrated power distribution cabinet further comprises a water tank, the water tank through the pump, the chamber connecting pipe and the clamping structure formed circulation passage is connected.

[0006] 具体的方案为: [0006] The particular scheme:

[0007] 导热绝缘材料为导热绝缘橡胶构成,导热绝缘橡胶采用硅橡胶基材,氮化硼、氧化铝、氧化镁等陶瓷颗粒为填充剂制得,当然导热绝缘材料也可采用其他材料。 [0007] thermally insulating thermal insulation material is rubber, silicone rubber thermal insulation rubber substrate, boron nitride, alumina, magnesia ceramic filler particles are made, of course, other materials may also be thermally insulating material.

[0008] 进一步的方案为: [0008] A further solution is:

[0009] 所述柜体的顶部为一用于收集雨水的浅槽构成,浅槽的低位处设置与水箱相连通的水孔,水箱的上部设置有用于对浅槽中收集、流入水箱中的雨水进行过滤的过滤层,过滤层下侧的水箱侧壁上设置有溢流孔,水箱中设置对水箱中水位进行检测的液位传感器,水箱的底部设置排污口和进水管口,进水管口与洁净水源相连接且其上设置有阀门,液位传感器调节阀门的启闭状态。 [0009] The top of the cabinet is a shallow groove configuration for collecting rainwater, the shallow groove provided at the lower water holes communicating with the tank, an upper tank is provided with a shallow groove for the collection, flows into the tank rainwater filtration filter layer, the tank is provided with an overflow hole on the sidewall of the lower filter layer, provided on the tank in the tank water level sensor for detecting the level of sewage outlets bottom of the tank and water inlet, water inlet connected with clean water and which is provided with opening and closing state of the valve, the valve regulating the level sensor.

[0010] 夹腔结构内设置有隔板,隔板使得水流在夹腔结构内迂回状流动。 [0010] The folder structure is provided with a separator chamber, interposed in the water separator such that the cavity structure lead-like flow.

[0011] 构成夹腔结构的板体为波纹板。 [0011] clip composed of the cavity structure is a corrugated plate panel. [0012] 水箱的箱底为一倾斜布置的底板构成,排污口设置在底板的最低位置处。 [0012] as a tank bottom plate constituting the obliquely arranged outfall disposed at the lowest point of the bottom plate.

[0013] 通过设置的夹腔结构,夹腔结构内的水流对综合配电柜内进行冷却,降低综合配电柜柜内的温度,保证综合配电柜内各元器件的正常运行,保证电柜的使用性能。 [0013], flow in the cavity structure is sandwiched by the integrated power distribution cabinet clip disposed cooling cavity structure, reducing the temperature Distribution Cabinet cabinet, the integrated power distribution cabinet to ensure the normal operation of the various components to ensure electrical performance cabinet. 从而实现具有良好的散热功能,且配电柜的防护等级能够达到国家标准。 In order to achieve good thermal dissipation, and power distribution equipment protection level can reach the national standard.

附图说明 BRIEF DESCRIPTION

[0014] 图1为本发明的结构示意图; [0014] FIG. 1 is a schematic view of the structure of the present invention;

[0015] 图2为水箱的结构示意图; [0015] FIG. 2 is a schematic view of the tank;

[0016] 图3为柜体侧壁的结构示意图。 [0016] FIG. 3 is a schematic view of the cabinet side walls.

具体实施方式 detailed description

[0017] 为了使本发明的目的及优点更加清楚明白,以下结合实施例对本发明进行进一步详细说明。 [0017] In order to make objects and advantages of the present invention will become more apparent hereinafter in conjunction with embodiments of the present invention will be further described in detail. 应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。 It should be understood that the specific embodiments described herein are only intended to illustrate the present invention and are not intended to limit the present invention.

[0018] 本发明采取的技术方案如图1所示的技术方案进行实施,具体的方案为:一种综合配电柜,包括柜体10,柜体10内设置有开关设备、测量仪表、保护电器和辅助设备,柜体10的左、右侧壁和后侧壁为夹腔结构101,构成夹腔结构101的内壁面为导热绝缘材料构成,综合配电柜还包括一水箱12,水箱12通过水泵、连接管道与夹腔结构101构成循环水路连接。 [0018] The present invention takes the technical solution shown in Figure 1 aspect carried out, specific programs as follows: an integrated power distribution cabinet 10 comprises a cabinet, the cabinet 10 is provided with a switching equipment, measuring instruments, protective and auxiliary electrical equipment, left and right side walls and a rear wall of the cabinet 10 sandwiched cavity structure 101 constituting the inner wall surface of cavity structure 101 is interposed thermal insulation material, the integrated power distribution cabinet further comprises a water tank 12, the tank 12 through the pump, the connecting duct 101 constituting the cyclic structure sandwiched chamber water connections. 导热绝缘材料为导热绝缘橡胶构成,导热绝缘橡胶采用硅橡胶基材,氮化硼、氧化铝、氧化镁等陶瓷颗粒为填充剂制得,当然导热绝缘材料也可采用其他材料。 Thermal insulation for the thermal insulation material is rubber, silicone rubber thermal insulation rubber substrate, boron nitride, alumina, magnesia ceramic filler particles are made, of course, other materials may also be thermally insulating material. 通过设置的夹腔结构101,夹腔结构101内的水流对综合配电柜内进行冷却,降低综合配电柜柜内温度,保证综合配电柜内各元器件的正常运行,保证综合配电柜的使用性能。 By clip 101 disposed cavity structure, the flow structure within the clip chamber 101 for cooling the integrated power distribution cabinet, the cabinet temperature decrease Distribution Cabinet, ensure the normal operation of the various components of the integrated power distribution cabinet, ensure that the combined distribution performance cabinet. 从而实现良好的散热功能,且配电柜的防护等级能够达到国家标准。 In order to achieve good thermal dissipation, and power distribution equipment protection level can reach the national standard.

[0019] 另外,有些综合配电柜在乡村露天使用,可在下雨天收集雨水作为冷却水源,因此采用如图2所示方案,柜体10的顶部为一用于收集雨水的浅槽11构成,浅槽11的低位处设置与水箱12相连通的水孔,水箱12的上部设置有用于对浅槽11中收集、流入水箱12中的雨水进行过滤的过滤层121,过滤层121下侧的水箱12侧壁上设置有溢流孔,溢流孔的设置主要是防止水箱12内的水过量,水箱12中设置对水箱12中水位进行检测的液位传感器122,水箱12的底部设置排污口和进水管口,进水管口与洁净水源相连接且其上设置有阀门,液位传感器122调节阀门的启闭状态。 [0019] Further, in some rural Distribution Cabinet outdoor use, rain water collected in the rain as the cooling water, so the use of the embodiment shown in FIG. 2, a top of the cabinet 10 is a shallow groove 11 configured to collect rainwater, shallow groove lower 11 is provided at the water tank 12 is connected through the water holes, upper tank 12 is provided with a pair of shallow grooves 11 collected, flows into the tank 12 rainwater filtration layer 121 filtering water tank 121 side of the filter layer the overflow hole 12 is provided with a side wall, an overflow hole is to prevent excessive water level sensor in the tank 12, tank 12 is provided for detecting the water level in the tank 12 is 122, the bottom of the tank 12 and disposed outfall water inlet, water inlet and clean water is connected and which is provided with a valve, level sensor 122 to adjust the opening and closing state of the valve. 进水管口是保证长时间不下雨或者综合配电柜在室内安装使用时,为水箱12内供应水源。 Water inlet is to ensure that it does not rain for a long time or Distribution Cabinet indoors installation, supply water to the tank 12. 过滤层121的设置主要是防止雨水中的杂质堵塞水流循环管道和夹腔结构101,使得热交换效率降低。 Filter layer 121 is provided is to prevent rainwater and foreign substances from clogging the water circulation pipe clip cavity structure 101, so as to reduce the heat exchange efficiency.

[0020] 更为具体的方案如图3所示,夹腔结构101内设置有隔板,隔板102使得水流在夹腔结构101内迂回状流动。 [0020] The more specific embodiment shown in Figure 3, the clip chamber 101 is provided with a separator structure, the separator 102 such that the flow structure within the clip chamber 101 flows circuitous shape. 构成夹腔结构101的板体为波纹板,隔板102、波纹板的设置主要是增加热交换效率。 Body cavity forming plate interposed corrugated plate structure 101, a separator 102, are provided corrugated plates is to increase the heat exchange efficiency. 水箱12的箱底为一倾斜布置的底板构成,排污口设置在底板的最低位置处,防止水箱12内的杂质沉积,便于杂质的排出。 Bottom of tank 12 is composed of an inclined plate arranged outfall disposed at the lowest point of the bottom plate, to prevent deposition of impurities in the water tank 12, to facilitate the discharge of impurities.

[0021] 以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。 [0021] The above are only preferred embodiments of the present invention, it should be noted that those of ordinary skill in the art who, without departing from the principles of the present invention, further improvements and modifications may be made, such modifications and modifications should be the scope of the present invention.

Claims (6)

  1. 1.一种综合配电柜,其特征在于:包括柜体,柜体内设置有开关设备、测量仪表、保护电器和辅助设备,柜体的左、右侧壁和后侧壁为夹腔结构,构成夹腔结构的内壁面为导热绝缘材料构成,综合配电柜还包括一水箱,夹腔结构通过水泵、连接管道与水箱构成循环水路连接。 An integrated power distribution cabinet, characterized by: a cabinet, the cabinet is provided with a switching device, measuring instruments, electrical protection and auxiliary equipment, the cabinet left, rear right side wall and the side walls sandwiched cavity structure, the inner wall surface constituting the cavity structure is interposed thermal insulation material, the integrated power distribution cabinet further comprises a water tank, through the pump cavity structure clip, connection pipe connected to the water tank constituting the circulation passage.
  2. 2.如权利要求1所述的综合配电柜,其特征在于:导热绝缘材料为导热绝缘橡胶构成。 2. Distribution Cabinet according to claim 1, wherein: thermal insulation for the thermal insulation material is rubber.
  3. 3.如权利要求1所述的综合配电柜,其特征在于:所述柜体的顶部为一用于收集雨水的浅槽构成,浅槽的低位处设置与水箱相连通的水孔,水箱的上部设置有用于对浅槽中收集、流入水箱中的雨水进行过滤的过滤层,过滤层下侧的水箱侧壁上设置有溢流孔,水箱中设置对水箱中水位进行检测的液位传感器,水箱的底部设置排污口和进水管口,进水管口与洁净水源相连接且其上设置有阀门,液位传感器调节阀门的启闭状态。 3. Distribution Cabinet according to claim 1, wherein: the top of the cabinet is a shallow groove configuration for collecting rainwater, the shallow groove provided at the lower water holes communicating with the tank, the tank the upper portion is provided with a shallow groove for collecting, rainwater flowing into the filter tank filter layer, is provided with an overflow hole on the lower side of the tank side wall filter layer, disposed on the water tank level sensor detecting the water level in the tank provided outfall bottom of the tank and the water inlet, water inlet and clean water is connected and which is provided with valves, level sensors regulating the opening and closing state of the valve.
  4. 4.如权利要求1所述的综合配电柜,其特征在于:夹腔结构内设置有隔板,隔板使得水流在夹腔结构内迂回状流动。 4. Distribution Cabinet according to claim 1, wherein: the folder structure is provided with a separator chamber, interposed in the water separator such that the cavity structure lead-like flow.
  5. 5.如权利要求1所述的综合配电柜,其特征在于:构成夹腔结构的板体为波纹板。 5. Distribution Cabinet according to claim 1, wherein: the cavity structure constituting the clip plate is a corrugated plate.
  6. 6.如权利要求1所述的综合配电柜,其特征在于:水箱的箱底为一倾斜布置的底板构成,排污口设置在底板的最低位置处。 6. Distribution Cabinet according to claim 1, wherein: the tank bottom plate is composed of an inclined arrangement of outfall disposed at the lowest point of the bottom plate.
CN 201410006025 2014-01-07 2014-01-07 An integrated power distribution cabinets CN103701054B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201410006025 CN103701054B (en) 2014-01-07 2014-01-07 An integrated power distribution cabinets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201410006025 CN103701054B (en) 2014-01-07 2014-01-07 An integrated power distribution cabinets

Publications (2)

Publication Number Publication Date
CN103701054A true true CN103701054A (en) 2014-04-02
CN103701054B CN103701054B (en) 2016-06-29

Family

ID=50362499

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201410006025 CN103701054B (en) 2014-01-07 2014-01-07 An integrated power distribution cabinets

Country Status (1)

Country Link
CN (1) CN103701054B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104051137A (en) * 2014-07-02 2014-09-17 杭州务实科技有限公司 Transformer having the fast cooling function
CN104092131A (en) * 2014-07-28 2014-10-08 安徽鑫辰电气设备有限公司 Constant temperature and humidity power transformation cabinet
CN104242110A (en) * 2014-09-09 2014-12-24 宁波高新区甬港现代创业服务有限公司 Remote monitoring compartment transformer substation
CN104283124A (en) * 2014-10-16 2015-01-14 苏州市世纪晶源光电科技有限公司 Outdoor power distribution cabinet
CN104319654A (en) * 2014-11-03 2015-01-28 芜湖职业技术学院 Electrical distribution box
CN104348095A (en) * 2014-11-19 2015-02-11 成都华瑞祥电器成套设备有限公司 Water-cooling heat dissipation distribution box
CN105610077A (en) * 2016-01-14 2016-05-25 珠海市可利电气有限公司 Nonmetal dynamic seal box body for miniature underground power distribution switching station or substation
CN106512587A (en) * 2016-10-18 2017-03-22 成都赋阳技术开发有限公司 Electronic control power distribution cabinet capable of high-efficiency heat dissipation
CN106786062A (en) * 2017-01-16 2017-05-31 马鞍山佳夫尼电气科技有限公司 Heat dissipation type switch cabinet

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19515122A1 (en) * 1995-04-25 1996-10-31 Kurt Wolf Gmbh & Co TV transmitting and receiving equipment switch-cabinet e.g. for hot outdoor locations
CN201623387U (en) * 2009-11-11 2010-11-03 大全电气有限公司 Inner cooling device of switch cabinet
CN102868108A (en) * 2012-09-07 2013-01-09 泰州海田电气制造有限公司 Isolation-type heat-dissipation switch cabinet
CN202978042U (en) * 2012-11-29 2013-06-05 西安上尚机电有限公司 Water cooling heat radiation system of power distribution cabinet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19515122A1 (en) * 1995-04-25 1996-10-31 Kurt Wolf Gmbh & Co TV transmitting and receiving equipment switch-cabinet e.g. for hot outdoor locations
CN201623387U (en) * 2009-11-11 2010-11-03 大全电气有限公司 Inner cooling device of switch cabinet
CN102868108A (en) * 2012-09-07 2013-01-09 泰州海田电气制造有限公司 Isolation-type heat-dissipation switch cabinet
CN202978042U (en) * 2012-11-29 2013-06-05 西安上尚机电有限公司 Water cooling heat radiation system of power distribution cabinet

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104051137A (en) * 2014-07-02 2014-09-17 杭州务实科技有限公司 Transformer having the fast cooling function
CN104051137B (en) * 2014-07-02 2016-07-06 杭州务实科技有限公司 A rapid cooling transformer
CN104092131B (en) * 2014-07-28 2016-08-24 安徽鑫辰电气设备有限公司 Transforming one kind of constant temperature and humidity cabinet
CN104092131A (en) * 2014-07-28 2014-10-08 安徽鑫辰电气设备有限公司 Constant temperature and humidity power transformation cabinet
CN104242110A (en) * 2014-09-09 2014-12-24 宁波高新区甬港现代创业服务有限公司 Remote monitoring compartment transformer substation
CN104283124A (en) * 2014-10-16 2015-01-14 苏州市世纪晶源光电科技有限公司 Outdoor power distribution cabinet
CN104319654A (en) * 2014-11-03 2015-01-28 芜湖职业技术学院 Electrical distribution box
CN104319654B (en) * 2014-11-03 2017-01-18 芜湖职业技术学院 An electrical distribution box
CN104348095A (en) * 2014-11-19 2015-02-11 成都华瑞祥电器成套设备有限公司 Water-cooling heat dissipation distribution box
CN104348095B (en) * 2014-11-19 2016-08-24 成都华瑞祥电器成套设备有限公司 Heat for a water distribution box
CN105610077A (en) * 2016-01-14 2016-05-25 珠海市可利电气有限公司 Nonmetal dynamic seal box body for miniature underground power distribution switching station or substation
CN106512587A (en) * 2016-10-18 2017-03-22 成都赋阳技术开发有限公司 Electronic control power distribution cabinet capable of high-efficiency heat dissipation
CN106786062A (en) * 2017-01-16 2017-05-31 马鞍山佳夫尼电气科技有限公司 Heat dissipation type switch cabinet

Also Published As

Publication number Publication date Type
CN103701054B (en) 2016-06-29 grant

Similar Documents

Publication Publication Date Title
CN203839765U (en) Distribution box
CN204144741U (en) Waterproof switchgear
CN202308845U (en) Self-heat radiation switch cabinet
CN203839768U (en) Strong heat radiation distribution box
CN101315912A (en) Composite refrigeration method and device for high-power electric semiconductor device
CN204651726U (en) Outdoor gardens hi/low voltage distribution cabinet
CN202374161U (en) Heat dissipation structure of electric reactor of inverter
CN202205108U (en) Monitoring thermotank
CN202087220U (en) Novel digital type dehumidifier
CN103363597A (en) Air conditioner outdoor machine
CN201887133U (en) Power battery pack with heat dissipation system
CN202395360U (en) Heat radiation mechanism for buried substations
CN201509021U (en) Condensation-proof combined box-type substation
CN201149343Y (en) Air conditioner using underground water temperature
CN203859409U (en) Power distribution terminal dehumidifying device
CN2725789Y (en) Semiconductor heat pump water heater
CN203413831U (en) Water pan and air energy water heater provided with water pan
CN203206606U (en) Three-cavity outdoor rack
CN204361541U (en) Cabinet capable of intelligently adjusting internal air environment
CN204187834U (en) Water tank and heat-pump water heater
CN202581598U (en) Electric box and air conditioner with same
CN202056937U (en) Double cooker chambers type induction cooker
CN2922400Y (en) Control cabinet water-cooled regulating device
CN202614701U (en) Geothermal floor test device
CN204538522U (en) Rain-proof radiating looped netowrk cabinet ventilates

Legal Events

Date Code Title Description
C06 Publication
C10 Entry into substantive examination
C14 Grant of patent or utility model
PE01