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真空知識掃盲--一些常見真空術語解釋
來源: 作者: 發布時間: 瀏覽次數:159

 

1、真空的定義

zhenkongxitongzhidiyugaidiqudaqiyadexibuqitizhuangtai。 

2、真空度

chuyuzhenkongzhuangtaixiadeqitixibuchengdu,tongchangyong“zhenkongdugao”he“zhenkongdudi”laibiaoshi。zhenkongdugaobiaoshizhenkongdu“hao”deyisi,zhenkongdudibiaoshizhenkongdu“cha”deyisi。 

3、真空度單位

tongchangyongtuo(torr)weidanwei,jinnianguojishangquyongpa(pa)zuoweidanwei。

1tuo=1/760daqiya=1haomigongzhu 

4、托與帕的轉換

1托=133.322帕 或 1帕=7.5×10-3托 

5、平均自由程

zuowuguizereyundongdeqitilizi,xiangjiliangcipengzhuangsuofeiyuedepingjunjuli,yongfuhao“λ”biaoshi。

6、流量

danweishijianliuguorenyijiemiandeqitiliang,fuhaoyong“q”biaoshi,danweiweipa·sheng/miao(pa·l/s)huotuo·sheng/miao(torr·l/s)。

7、流導

biaoshizhenkongguandaotongguoqitidenengli。danweiweisheng/miao(l/s),zaiwendingzhuangtaixia,guandaoliudaodengyuguandaoliuliangchuyiguandaoliangduanyaqiangcha。fuhaojizuo“u”。

u=q/(p2- p1)

8、壓力或壓強

qitifenzizuoyongyurongqibidedanweimianjishangdeli,yong“p”biaoshi。

9、標準大氣壓

yaqiangweimeipingfanglimi101325dayindeqiya,fuhao:(atm)。

10、極限真空

zhenkongrongqijingchongfenchouqihou,wendingzaimouyizhenkongdu,cizhenkongduchengweijixianzhenkong。tongchangzhenkongrongqixujing12xiaoshilianqi,zaijing12xiaoshichouzhenkong,zuihouyigexiaoshimeige10fenzhongceliangyici,quqi10cidepingjunzhiweijixianzhenkongzhi。

11、抽氣速率

zaiyidingdeyaqianghewenduxia,danweishijianneiyoubengjinqikouchuchouzoudeqitichengweichouqisulv,jianchengchousu。jisp=q/(p-p0)

12、熱偶真空計

liyongredianoudedianshiyujiareyuanjiandewenduyouguan,yuanjiandewenduyouyuqitiderechuandaoyouguandeyuanlilaiceliangzhenkongdudezhenkongji

13、電離真空計(又熱陰極電離計)

youtongzhuangshoujiji,zhawangheweiyuzhawangzhongxindedengsigoucheng,tongzhuangshoujijizaizhawangwaimian。reyinjifashedianzidianliqitifenzi,lizibeishoujijishouji,genjushoujideliziliudaxiaolaiceliangqitiyaqiangdezhenkongji。

14、復合真空計

由熱偶真空計與熱陰極電離真空計組成,測量范圍從大氣~10-5Pa。

15、冷陰極電離計

yangjitongdeliangduanyouyiduiyinjiban,zaiwaijiacichangzuoyong,yangjitongneixingchengpanningfangdianchanshenglizi,genjuyinjibanshoujideliziliudedaxiaolaicedingqitiyaqiangdezhenkongji。

16、電阻真空計

liyongjiareyuanjiandedianzuyuwenduyouguan,yuanjiandewenduyouyuqitichuandaoyouguandeyuanli,tongguodianqiaodianlulaiceliangzhenkongdudezhenkongji。

17、麥克勞真空計(壓縮式真空計)

jiangdaicedeqitiyonggong(huoyou)yasuodaoyijixiaotiji,ranhoubijiaokaiguanhebiguandeyezhucha,liyongboyierdinglvzhijiesuanchuqitiyaqiangdeyizhongjueduizhenkongji。

18、B-A規

zheshiyizhongyinjiyushoujijidaozhidereyinjidianligui。shoujijishiyigenxisi,fangzaizhawangzhongxin,dengsifangzaizhawangwaimian,yinerjianshaoruanxshexianyingxiang,yanshenceliangxiaxian,kecechaogaozhenkong。

19、水環真空泵

bengdexielunzhuanzixuanzhuanerchanshengshuihuan。youyuzhuanzipianxinxuanzhuanershishuihuanyuxiepianjianrongjifashengzhouqixinggaibianerjinxingchouqidejixiezhenkongbeng。

20、往復真空泵

liyonghuosaidewangfuyundongerjinxingchouqidejixiezhenkongbeng。

21、油封機械真空泵

yongyoulaibaochimifengdejixiezhenkongbeng,kefenweidingpianshi、xuanpianshi、huafashi、yubaixianshideng。

22、羅茨真空泵

juyouyiduitongbugaosuxuanzhuandexiedixingzhuanzidejixiezhenkongbeng,cibengbukeyidanduchouqi,qianjixupeiyoufeng、shuihuandengkezhipaidaqidezhenkongbeng。

23、渦輪分子真空泵

youyigaosuxuanzhuandexielun,dangqitifenziyugaosuxuanzhuandewolunxiepianxiangpengzhuangshijiubeiquxiangchuqikouzaiyouqianjibengchouchu。

24、油擴散真空泵

kuosanbengpenkouzhongpenchugaosuzhengqiliu。zaifenziliutiaojianxia,qitifenzibuduandixiangzhengliuzhongkuosan,bingbeizhengqidaixiangbengchukouchuzhujibeiyasuohouzaiyouqianjibengpaichu。

25、低溫真空泵

liyong20kyixiadediwenbiaomianningjuxifuqitidezhenkongbeng。

26、冷阱(水冷擋板)

zhiyuzhenkongrongqihebengzhijian,yongyuxifuqitihuobujiyouzhengqidezhuangzhi

27、氣鎮閥

youfengjixiezhenkongbengdeyasuoshishangkaiyixiaokong,bingzhuangshangdiaojiefa,dangdakaifabingdiaojieruqiliang,zhuanzizhuandaomouyiweizhi,kongqijiutongguocikongchanruyasuoshiyijiangdiyasuobi,congershidabufenzhengqibuzhiningjieerhechanrudeqitiyiqibeipaichubengwaiqicizuoyongdefamenchengweiqizhenfa。

28、真空冷凍干燥

zhenkonglengdongganzao,yechengshenghuaganzao。qiyuanlishijiangcailiaolengdong,shiqihanyoudeshuifenbianchengbingkuai,ranhouzaizhenkongxiashibingshenghuaerdadaoganzaomude。

29、真空蒸鍍

zhenkonghuanjingzhong,jiangcailiaojiarebingdudaojipianshangchengweizhenkongzhengdu,huojiaozhenkongdumo。

30、真空干燥

liyongzhenkonghuanjingxiafeidiandidetedianlaiganzaowupindefangfa。

31、真空系統常用名稱

(1)zhubeng:zaizhenkongxitongzhong,yongyuhuodesuoxuyaozhenkongdulaimanzutedinggongyiyaoqiudezhenkongbeng,ruzhenkongdumojizhongdeyoukuosanbengjiushizhubeng。


(2)qianjibeng:yongyuweichimouyizhenkongbengqianjiyaqiangdiyuqilinjieqianjiyaqiangdezhenkongbeng。ruluocibengqianpeizhidexuanpianhuohuafabengjiushiqianjibeng。


(3)cuchoubeng:congdaqiyaxiakaishichouqi,bingjiangxitongyalichoudaolingyizhenkongbengkaishigongzuodezhenkongbeng。ruzhenkongdumojizhongdehuafabeng,jiushicuyoubeng。


(4)weichibeng:zaizhenkongxitongzhong,qilianghenxiaoshi,bunengyouxiaodiliyongqianjibeng。weicipeizhiyizhongrongliangjiaoxiaodefuzhubenglaiweichizhubenggongzuo,cibengjiaoweichibeng。rukuosanbengchukouchupeiyitaixiaoxingxuanpianbeng,jiushiweichibeng。

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