風向風速自記儀shicedingziranhuanjingzhongdefengxianghefengsudeyiqi

，youzijigongneng，feichangshiheyongyunongyezhongqixianghuanjingdejiance。nametadegongzuoyuanlishizenyangdene
？zheliyaofenweifengxiangbufenhefengsubufenzhelianggefangmianlaijinxingshuoming。

首(shou)先(xian)是(shi)風(feng)向(xiang)部(bu)分(fen)，風(feng)向(xiang)部(bu)分(fen)由(you)保(bao)護(hu)風(feng)向(xiang)度(du)盤(pan)的(de)回(hui)彈(dan)頂(ding)杆(gan)所(suo)支(zhi)撐(cheng)。整(zheng)體(ti)結(jie)構(gou)由(you)風(feng)向(xiang)標(biao)
，風(feng)向(xiang)軸(zhou)及(ji)風(feng)向(xiang)度(du)盤(pan)等(deng)組(zu)成(cheng)，裝(zhuang)在(zai)風(feng)向(xiang)度(du)盤(pan)上(shang)的(de)磁(ci)棒(bang)與(yu)風(feng)向(xiang)度(du)盤(pan)組(zu)成(cheng)磁(ci)羅(luo)盤(pan)用(yong)來(lai)確(que)定(ding)風(feng)向(xiang)方(fang)位(wei)。當(dang)下(xia)拉(la)鎖(suo)定(ding)旋(xuan)鈕(niu)並(bing)向(xiang)右(you)旋(xuan)轉(zhuan)定(ding)位(wei)時(shi)，回(hui)彈(dan)頂(ding)杆(gan)將(jiang)風(feng)向(xiang)度(du)盤(pan)放(fang)下(xia)，使(shi)錐(zhui)形(xing)寶(bao)石(shi)軸(zhou)承(cheng)與(yu)軸(zhou)尖(jian)相(xiang)接(jie)觸(chu)
，此(ci)時(shi)風(feng)向(xiang)度(du)盤(pan)將(jiang)自(zi)動(dong)定(ding)北(bei)。風(feng)向(xiang)示(shi)值(zhi)由(you)風(feng)向(xiang)指(zhi)針(zhen)在(zai)風(feng)向(xiang)度(du)盤(pan)上(shang)的(de)穩(wen)定(ding)位(wei)置(zhi)來(lai)確(que)定(ding)。當(dang)左(zuo)旋(xuan)轉(zhuan)鎖(suo)定(ding)旋(xuan)鈕(niu)並(bing)使(shi)其(qi)向(xiang)上(shang)回(hui)彈(dan)複(fu)位(wei)時(shi)，回(hui)彈(dan)頂(ding)杆(gan)將(jiang)風(feng)向(xiang)度(du)盤(pan)頂(ding)起(qi)並(bing)定(ding)位(wei)在(zai)儀(yi)器(qi)上(shang)部(bu)，並(bing)使(shi)錐(zhui)形(xing)寶(bao)石(shi)軸(zhou)承(cheng)與(yu)軸(zhou)尖(jian)相(xiang)分(fen)離(li)
，以(yi)保(bao)護(hu)風(feng)向(xiang)度(du)盤(pan)及(ji)軸(zhou)承(cheng)與(yu)軸(zhou)尖(jian)不(bu)受(shou)損(sun)壞(huai)。（注：當儀器使用完畢後必須及時回複此狀態）。而er風feng速su部bu分fen的de工gong作zuo原yuan理li是shi風feng速su的de傳chuan感gan器qi采cai用yong的de是shi傳chuan統tong的de二er杯bei旋xuan轉zhuan架jia結jie構gou。它ta將jiang風feng速su變bian成cheng旋xuan轉zhuan架jia的de轉zhuan速su。為wei了le減jian小xiao啟qi動dong風feng速su，采cai用yong特te殊shu材cai料liao的de輕qing質zhi風feng杯bei和he寶bao石shi軸zhou承cheng支zhi撐cheng。通tong過guo固gu定ding在zai旋xuan轉zhuan架jia上shang的de裝zhuang置zhi經jing傳chuan感gan器qi檢jian測ce後hou將jiang信xin號hao傳chuan送song到dao主zhu機ji內nei進jin行xing測ce算suan。

風feng向xiang風feng速su自zi記ji儀yi通tong過guo這zhe兩liang個ge部bu分fen的de共gong同tong作zuo用yong，可ke以yi測ce定ding自zi然ran環huan境jing中zhong的de風feng向xiang和he風feng速su值zhi
，從cong而er為wei農nong業ye種zhong植zhi提ti供gong詳xiang細xi的de參can考kao數shu據ju
，知zhi道dao農nong業ye工gong作zuo的de開kai展zhan和he實shi施shi。