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日期:2020-12-23 08:04
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zhaiyao:&nbsp;<span style="font-family:宋ti-PUA;font-size:12pt;font-weight:bold;">&nbsp;</span> <p class="p0" style="margin-bottom:0pt;margin-top:0pt;"> <span style="font-weight:bold;font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">选用可kao性环境试验箱de方法</span><span style="font-weight:bold;font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><o:p></o:p></span> </p> <p class="p0" style="margin-bottom:0pt;margin-top:0pt;"> <span style="font-weight:bold;font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><o:p>&nbsp;</o:p></span> </p> <p class="p0" style="margin-bottom:0pt;margin-top:0pt;background-position:initial initial;background-repeat:initial initial;"> <span style="font-weight:bold;font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">一、设备选择yi据</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><br /> </span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">存在于地球表mian及大气层空间中de自然环境因素和诱发环境因素de种类,目前还无法统计出一个萬ei衐e数目,其中对工cheng(设备)de使用及寿命影响jiao大de因素不下十几种。从事工cheng环綾heng跫芯縟e工cheng师们将自然界存在以及人类活dong所诱发de环綾heng跫砉槟晌幌盗衐e试验标准和规范,用以指dao工chengde环境及可kao衴un匝椤H缰竏ao军工进xing环境试验</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">GJB150</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">――</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">中华人民共和国国jia军用标准《军用设备环境试验方法》,指dao电工电子进xing环境试验de</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">GB2423</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">――</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">中华人民共和国国jia标准《电工电子环境试验方法指nan》等。因ci,选择环境及可kao衴un匝樯璞竤hi主yaodeyi据是工chengde试验规范和试验标准。</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><br /> </span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">其ci,为了规范试验设备中环境试验条件de容差,保zheng环境参数de控制精度,国jia技术监督ji构及各工业部门还制ding了一系列de环境试验设备及检测仪器仪表de检定规cheng。如中华人民共和国国jia标准</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">GB5170</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">《电工电子环境试验设备jiben参数检定方法》,又如国jia技术监督局颁布shi施de</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">JJG190</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">-</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">89</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">《电dongzhendong试验台系统试xing检定规cheng》等。zhe些检定规cheng也是选择环境及可kao衴un匝樯璞竏e重yaoyi据,不符合zhe些检定规chengyao求de试验设备是不yun许投ru使用de。</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><br /> </span><span style="font-size:12pt;font-family:宋ti-PUA;">ling却方式选择</span><span style="font-size:12pt;font-family:宋ti-PUA;">&nbsp;</span> </p> <p class="p0" style="margin-bottom:0pt;margin-top:0pt;background-position:initial initial;background-repeat:initial initial;"> <span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">试验箱如果带有制ling系统,制ling系统需yao进xingling却。试验箱有风ling、水ling羓ie中问健?lt;/span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><br /> </span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">风ling水ling使用条件设备安装jian便,只需yao接tong电源ji可使用。环境温度应低于</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">28</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">℃</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">,如果环境温度高于</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">28</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">℃</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">对制lingxiao果有一定de影响(*好配备空调)需配zhixun环ling萩i低场;蝗葂iao果jiao差(xiang对于水ling方式)稳定、liang好秠un褂没肪che挠跋旎醖ao致试验箱周围de空气温度上升。不影响试验箱周围de温度。噪声jiao大(xiang对于水ling方式)jiao小结论选择何种ling却方式,应结合试验室de蔰ao是榭龆āT谔跫un许de情况下,优先kao虑选择水ling方式。但如果选用de试验箱de制ling系统hen小,也可以优先kao虑选择水ling方式。</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><br /> </span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><br /> </span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">风ling水ling使用条件设备安装jian便,只需yao接tong电源ji可使用。环境温度应低于</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">28</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">℃</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">,如果环境温度高于</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">28</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">℃</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">对制lingxiao果有一定de影响(*好配备空调)需配zhixun环ling萩i低场;蝗葂iao果jiao差(xiang对于水ling方式)稳定、liang好秠un褂没肪che挠跋旎醖ao致试验箱周围de空气温度上升。不影响试验箱周围de温度。噪声jiao大(xiang对于水ling方式)jiao小结论选择何种ling却方式,应结合试验室de蔰ao是榭龆āT谔跫un许de情况下,优先kao虑选择水ling方式。但如果选用de试验箱de制ling系统hen小,也可以优先kao虑选择水ling方式。四、温湿度试验设备zhuang况fen析</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><br /> </span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">1</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">〕温湿度环境试验设备desheng产是持续了几十年deji械制造xing业,其jiben技术(如制ling,加热)已经cheng熟。便是随着工襠ao际鮠e进步和发zhan,hen多xinde应用技术不断yinru到环境试验设备中,如计算ji技术,模hu控制理论,多箱同步运xing等,因ci,hen难gei制造changjia下一个孰优孰liede武断性结论。各个sheng产changjia积几十年de制造经验所sheng产de设备du是可襶un褂胐e,其工作原理、所应用de技术,甚zhi结构、材料等du有hen多xiang似zhichu。但是you于环境试验设备</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">“</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">多fei标、多苀en帧⑿∨?lt;/span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">”</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">desheng产方式de制约,de可kao衴un贾帐抢ao国na、国外制造商de一个问题。guan键在于sheng产changjia必xu管理精细,工yi完备、检测手段齐全、对质量认真fuze(如tongguo</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">ISO9000</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">论zheng)。同shi,环境试验设备是一种耐用品,一些问题和设计缺陷需yao多年使用才能暴露出来,tongguo统计fen析才能发现问题所在。一个cheng熟de、高可kao性de往往需yao多年改进、完善。因ci,环境试验设备sheng产changjia具有一定sheng产规模和sheng产历史,是具有jiao高可kao性de必yao条件zhi一。</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><o:p></o:p></span> </p> <p class="p0" style="margin-bottom:0pt;margin-top:0pt;background-position:initial initial;background-repeat:initial initial;"> <span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">2</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">heng鷊uochengde质羕ao刂啤9鷑asheng产guochengde质羕ao刂朴衕en大提高。sheng产guochengde质羕ao刂苰usheng产changjiade管理水平、sheng产习惯有guan,tongguo</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">ISO9000</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">de论zheng是sheng产guocheng质羕ao刂谱呱瞎娣痘痙e一个标志。国na外sheng产温湿度环境试验设备dechangjia在sheng产气hou环境试验方miandu积累了丰富de经验。提供dedu是可供使用de,在质量上du可信赖。謑ie诰烤褂ai选用na一jia,na一种型号de更符合yao求,除了ben文前mian所述de一些原则和具tide技术指标yao求外,还有一些值得重视和kao虑de因素。</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><br /> </span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">a</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">〕性能</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">/</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">价格比。在对环境试验设备de技术参数、可kao性chongfenkaozhengdeji础上,性价比是应当kao虑de重yao因素。环境试验设备de进口无一例外du是tongguo代理商在国na进xing销shoude,价格de因素不仅取决于sheng产changjiadechengben和利润,还包han着hen多中间环jie费用及销shou提cheng。在xiang同de制造chengben下,降低中间费用是降低ding货价格de重yao因素,同一国jiaxiangguan技术指标de,制造chengben大tixiang当,不同国jia(指xi方发da国jia)sheng产deji使有差别也不会太大。</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><o:p></o:p></span> </p> <p class="p0" style="margin-bottom:0pt;margin-top:0pt;background-position:initial initial;background-repeat:initial initial;"> <span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">b</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">〕man足用hu需yaodecheng度和能力。用huding购一台温湿度环境试验箱,其yao求yi试验de需yao而不同,如有de三综合试验箱常常用于瞜ao蜃榧突肪秤αι秆∈匝椋琧ishi设备de强制除湿能力以及附加空气干燥系蚦he目赡苄yun怯胔u应gai重点guan心dexiang目,如果有de用hu想利用三综合试验箱作环境试验(如湿热试验),则风速可调整性就是必xukao虑de因素。</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><o:p></o:p></span> </p> <p class="p0" style="margin-bottom:0pt;margin-top:0pt;background-position:initial initial;background-repeat:initial initial;"> <span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">c</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">〕shou后服务及设备gu障dechu理能力。ren何一台设备在使用中不可能不出gu障,一旦出现问题使用者能否享shou到及shide维xiu服务,或者能gen据设备自身具有degu障zhen断能力hen快确定出gu障chu理办法,使设备尽快恢复性能,重xin投ru使用。在zhe方mian,国na外desheng产changjiadu已经或zheng在做出积极de努力,如jian立快速fan应de维xiudui伍,如在计算ji控制系统中zeng加zhen断及gu障预警系统软件,用hu可gen据计算ji提供de信息,尽快chu理gu障。</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;">&nbsp;</span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><br /> </span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial initial;background-repeat:initial initial;"><br /> </span><span style="font-size:12pt;font-family:宋ti-PUA;background-position:initial 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选用可kao性环境试验箱de方法

 

一、设备选择yi据
存在于地球表mian及大气层空间中de自然环境因素和诱发环境因素de种类,目前还无法统计出一个萬ei衐e数目,其中对工cheng(设备)de使用及寿命影响jiao大de因素不下十几种。从事工cheng环綾heng跫芯縟e工cheng师们将自然界存在以及人类活dong所诱发de环綾heng跫砉槟晌幌盗衐e试验标准和规范,用以指dao工chengde环境及可kao衴un匝椤H缰竏ao军工进xing环境试验 GJB150―― 中华人民共和国国jia军用标准《军用设备环境试验方法》,指dao电工电子进xing环境试验de GB2423―― 中华人民共和国国jia标准《电工电子环境试验方法指nan》等。因ci,选择环境及可kao衴un匝樯璞竤hi主yaodeyi据是工chengde试验规范和试验标准。 
其ci,为了规范试验设备中环境试验条件de容差,保zheng环境参数de控制精度,国jia技术监督ji构及各工业部门还制ding了一系列de环境试验设备及检测仪器仪表de检定规cheng。如中华人民共和国国jia标准 GB5170《电工电子环境试验设备jiben参数检定方法》,又如国jia技术监督局颁布shi施de JJG190 89《电dongzhendong试验台系统试xing检定规cheng》等。zhe些检定规cheng也是选择环境及可kao衴un匝樯璞竏e重yaoyi据,不符合zhe些检定规chengyao求de试验设备是不yun许投ru使用de。 
ling却方式选择 

试验箱如果带有制ling系统,制ling系统需yao进xingling却。试验箱有风ling、水ling羓ie中问健Ⅻ/span> 
风ling水ling使用条件设备安装jian便,只需yao接tong电源ji可使用。环境温度应低于28,如果环境温度高于28对制lingxiao果有一定de影响(*好配备空调)需配zhixun环ling萩i低场;蝗葂iao果jiao差(xiang对于水ling方式)稳定、liang好秠un褂没肪che挠跋旎醖ao致试验箱周围de空气温度上升。不影响试验箱周围de温度。噪声jiao大(xiang对于水ling方式)jiao小结论选择何种ling却方式,应结合试验室de蔰ao是榭龆āT谔跫un许de情况下,优先kao虑选择水ling方式。但如果选用de试验箱de制ling系统hen小,也可以优先kao虑选择水ling方式。 

风ling水ling使用条件设备安装jian便,只需yao接tong电源ji可使用。环境温度应低于28,如果环境温度高于28对制lingxiao果有一定de影响(*好配备空调)需配zhixun环ling萩i低场;蝗葂iao果jiao差(xiang对于水ling方式)稳定、liang好秠un褂没肪che挠跋旎醖ao致试验箱周围de空气温度上升。不影响试验箱周围de温度。噪声jiao大(xiang对于水ling方式)jiao小结论选择何种ling却方式,应结合试验室de蔰ao是榭龆āT谔跫un许de情况下,优先kao虑选择水ling方式。但如果选用de试验箱de制ling系统hen小,也可以优先kao虑选择水ling方式。四、温湿度试验设备zhuang况fen析 
1〕温湿度环境试验设备desheng产是持续了几十年deji械制造xing业,其jiben技术(如制ling,加热)已经cheng熟。便是随着工襠ao际鮠e进步和发zhan,hen多xinde应用技术不断yinru到环境试验设备中,如计算ji技术,模hu控制理论,多箱同步运xing等,因ci,hen难gei制造changjia下一个孰优孰liede武断性结论。各个sheng产changjia积几十年de制造经验所sheng产de设备du是可襶un褂胐e,其工作原理、所应用de技术,甚zhi结构、材料等du有hen多xiang似zhichu。但是you于环境试验设备 多fei标、多苀en帧⑿∨军/span>desheng产方式de制约,de可kao衴un贾帐抢ao国na、国外制造商de一个问题。guan键在于sheng产changjia必xu管理精细,工yi完备、检测手段齐全、对质量认真fuze(如tongguoISO9000论zheng)。同shi,环境试验设备是一种耐用品,一些问题和设计缺陷需yao多年使用才能暴露出来,tongguo统计fen析才能发现问题所在。一个cheng熟de、高可kao性de往往需yao多年改进、完善。因ci,环境试验设备sheng产changjia具有一定sheng产规模和sheng产历史,是具有jiao高可kao性de必yao条件zhi一。

2heng鷊uochengde质羕ao刂啤9鷑asheng产guochengde质羕ao刂朴衕en大提高。sheng产guochengde质羕ao刂苰usheng产changjiade管理水平、sheng产习惯有guan,tongguoISO9000de论zheng是sheng产guocheng质羕ao刂谱呱瞎娣痘痙e一个标志。国na外sheng产温湿度环境试验设备dechangjia在sheng产气hou环境试验方miandu积累了丰富de经验。提供dedu是可供使用de,在质量上du可信赖。謑ie诰烤褂ai选用na一jia,na一种型号de更符合yao求,除了ben文前mian所述de一些原则和具tide技术指标yao求外,还有一些值得重视和kao虑de因素。 
a〕性能/价格比。在对环境试验设备de技术参数、可kao性chongfenkaozhengdeji础上,性价比是应当kao虑de重yao因素。环境试验设备de进口无一例外du是tongguo代理商在国na进xing销shoude,价格de因素不仅取决于sheng产changjiadechengben和利润,还包han着hen多中间环jie费用及销shou提cheng。在xiang同de制造chengben下,降低中间费用是降低ding货价格de重yao因素,同一国jiaxiangguan技术指标de,制造chengben大tixiang当,不同国jia(指xi方发da国jia)sheng产deji使有差别也不会太大。

b〕man足用hu需yaodecheng度和能力。用huding购一台温湿度环境试验箱,其yao求yi试验de需yao而不同,如有de三综合试验箱常常用于瞜ao蜃榧突肪秤αι秆∈匝椋琧ishi设备de强制除湿能力以及附加空气干燥系蚦he目赡苄yun怯胔u应gai重点guan心dexiang目,如果有de用hu想利用三综合试验箱作环境试验(如湿热试验),则风速可调整性就是必xukao虑de因素。

c〕shou后服务及设备gu障dechu理能力。ren何一台设备在使用中不可能不出gu障,一旦出现问题使用者能否享shou到及shide维xiu服务,或者能gen据设备自身具有degu障zhen断能力hen快确定出gu障chu理办法,使设备尽快恢复性能,重xin投ru使用。在zhe方mian,国na外desheng产changjiadu已经或zheng在做出积极de努力,如jian立快速fan应de维xiudui伍,如在计算ji控制系统中zeng加zhen断及gu障预警系统软件,用hu可gen据计算ji提供de信息,尽快chu理gu障。 

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