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Chinese society of inertial technology photoelectric technology professional committee of the 11th academic exchanges will from 30 to 31 October 2014 will be held in Wuhan Hetian Hotel, the meeting will be organized by China Electronics Technology Group Corporation No. 26 research sponsored, Wuhan Changying through photoelectric technology Co., Ltd. in association with, the preparatory work of the Congress is currently progressing smoothly, the number of participants and scale than in previous years, is expected to will have nearly a hundred delegates all over the country. This meeting will communicate and demonstrate the research results of China's photovoltaic technology in recent years, and promote the great development of China's inertial technology. It is learned that the meeting...
November 2, 2011, China fog Industry Alliance preparatory meeting was successfully held in Optics Valley, Wuhan, the meeting on the establishment of China fog industry alliance and other issues discussed. The establishment of the alliance aims to further enhance the industrial and technological level of China's fiber optic gyro industry, and to strengthen the internal relations and sustainable development capacity of the industry. At the end of 2010, all units in the industry have begun to establish industry alliance preparatory work for fiber optic gyroscope. After nearly a year of preparation, breaking the obstacles, to break the barriers of communication industry, eventually invited to the industry more than 50 units, hundreds of leading expert at this time in China, Optics V...
Accompanied by Nanjing Panda 8.5 generation line, BOE 8.5-generation line, Huaxing Electric Shenzhen Second 8.5 generation line has announced the production, China has become the global important production base of the panel. At the same time, by the end of this year, the domestic production of 8.5 generation production line or will reach 8, experts believe that in the face of so many 8.5 generation line, traditional TFT - LCD panel (that is, the film transistor LCD is in the active matrix type liquid crystal display a) industry will be faced with the risk, and AMOLED (active matrix organic light-emitting diode panel, is an epoch-making display technology) will be the next step of investment focus. Behind the domestic panel production line has been put into production, the global pane...
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Exposing source1.7W 405nm LED or 1.8W 385nm LEDNonuniformity of exposureMaximum sample size20*20mmSingle exposure size0.075 inch(10X Objective lense)Minimum resolution2μm(10X Objective lense)Lens magnification2X,5X,10XAuto focus accuracy500nmAutomatic leveling precision30’Optional featuresExposure stitching, arbitrary polarization direction exposureTiling precision of exposure 1μmPolarization contrast100:1(405nm)Linear polarization direction accuracy±0.2°Appearance size5400mm(length)*400mm(width)*380mm(height)
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The State Administration for Industry and Commerce on September 4, announced that from now on to the end of 2015, will be within the scope of the key field of household electronic appliances, clothing shoes and hats, decorative decoration materials, transport, and other related services to carry out consumer rights.In recent years, the relevant complaints of household electronic appliances has been among the first total consumer complaints. The business sector will be home appliances, communications equipment, computers and other goods to focus on and solve product quality is uneven, no after-sales service guarantee and service quality poor outstanding problems, yijiachongzhen, shoddy, false labeling violations should be investigated and dealt with according to. Clothing shoes and hats is ...
June 18, approved by the Ministry of civil affairs "China household appliances Service Association extended warranty service professional committee" (referred to as the extension of the insurance committee) was established in Beijing. According to reports, the Chinese home appliance service maintenance association on the basis of the research on the international enterprise appliance extended warranty service, forming a set of plans to promote the extension of the security services in china.Since 2007 since the to support the new ANN, Assurant from American international warranty professional company in China to open up the market, hold appliances extended warranty services forum; in 2011, the Association issued a "home appliance warranty service is normative" guild reg...
Recently, Malaysia's energy committee adjusted the list of mandatory certification of electrical and electronic products, electronic and electrical appliances for compulsory certification of products will be from the existing 31 increased to 34, mainly increased air conditioning, adapter / charger, massage three categories of products and the replacement of hair dryer, evaporator, mosquito repellent replacement for two kinds of electric shaver products. New mandatory product certification will be effective January 1, 2013. There are two legal basis for the certification of electronic products in Malaysia: "electricity supply law (1990)" and "the approval of electrical equipment (1994)", the two laws are implemented by the energy commission. For the former power sup...
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办公楼宇节能方案

Date: 2014-07-01
Browsing times: 100

办公楼宇用电简析

一组来自国家有关部门的调查数字显示: 我国办公楼宇年电力消耗总量占全国总消耗量的10%,能源费用超过800亿元,主要包括政府机关、企事业单位、商业写字楼等办公楼宇,大部分办公楼宇的全年用电量在100KWH以上,其中空调用电在45-50%;用户室内用电35-40%;公用电费支出10-15%。

目前,国内楼宇大多采用行政管理手段进行,例如“更换灯的类型”、“随手关灯”、“降低空调温度” 等等,这些被动式的节能手段要么节能不节钱,要么收效甚微,节能效率不超过10%,并没有从根本上解决系统电能的损失,若投资进行技术性改造,采用不同技术手段进行组合,以综合降低系统不同形式的电能损失,则可以达到50%以上的综合节能效果。

办公楼宇照明灯具简析

照明系统的耗电量非常大,在办公楼宇中仅次于空调的耗电。现阶段办公楼宇的照明主要包括室内照明和夜景照明两种,其中,室内照明消耗能源占绝对优势;室内照明早期主要采用电感式T8灯具,后期多采用T8电子式灯具,筒灯和吸顶灯、天花灯主要安装于某些需要重点照明的场所。

电感灯具的电感镇流器不但消耗大量的电能,同时,对于线路的要求为电子灯具的一倍,对于开关的要求也相应提高。并存在频闪和噪音问题。电子灯具由于荧光灯的发光原理的影响,灯具效率不高,且荧光灯寿命较短,更换维护成本较高,同时,实现智能化管理的难度很大。采用LED灯具,寿命保证在25000小时以上,且相对于普通荧光光源,实现节能50%以上,有效的快速降低办公楼的能耗。


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