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極飛睿播 2.0 如何兼顧播撒的精準(zhǔn)和高效?

2021-12-29 09:53:21 來(lái)源:極飛科技 閱讀量:12451 評(píng)論

導(dǎo)讀:2019 年 4 月,極飛科技在四川省阿壩州紅原草原發(fā)布第一款智能播撒器,開(kāi)啟了無(wú)人機(jī)的播撒應(yīng)用。經(jīng)過(guò)兩年發(fā)展,農(nóng)戶對(duì)無(wú)人機(jī)播撒的需求大幅增長(zhǎng),播種、撒肥、投飼成為了重要的應(yīng)用場(chǎng)景。

  【農(nóng)機(jī)網(wǎng) 明星企業(yè)】 2019 年 4 月,極飛科技在四川省阿壩州紅原草原發(fā)布第一款智能播撒器,開(kāi)啟了無(wú)人機(jī)的播撒應(yīng)用。經(jīng)過(guò)兩年發(fā)展,農(nóng)戶對(duì)無(wú)人機(jī)播撒的需求大幅增長(zhǎng),播種、撒肥、投飼成為了重要的應(yīng)用場(chǎng)景。
 

 

  播撒精準(zhǔn)和高效,哪個(gè)更重要
 
  顆粒播撒的場(chǎng)景一般分為撒肥和播種。在撒肥場(chǎng)景下,用戶關(guān)注比較多的是撒肥的效率,其次是精準(zhǔn)性和均勻度;而在播種的場(chǎng)景下,用戶對(duì)播撒的精準(zhǔn)性和均勻度要求是第一位。
 

  在播撒種子的過(guò)程中,如果以水平甩出的方式,理論上種子可以向兩邊散開(kāi),這樣播撒的幅度會(huì)更寬。但現(xiàn)實(shí)中,種子顆粒從播出到落地往往需要幾秒的時(shí)間,如果此時(shí)有側(cè)風(fēng)吹來(lái),容易形成飄種問(wèn)題,造成漏播重播。這也是目前播撒市場(chǎng)追求效率而犧牲掉精度的后果。那么有沒(méi)有兩全其美的解決方案?有,那就是極飛睿播 2.0。
 
  極飛睿播2.0與傳統(tǒng)水平甩播方式有何區(qū)別
 
  傳統(tǒng)的甩播,以水平方向甩出,容易受環(huán)境影響,均勻度很難保證。極飛睿播 2.0 使用的是垂直播撒的方式,出料速度更快,抗風(fēng)能力更強(qiáng),種子只要零點(diǎn)幾秒的時(shí)間便可扎入土壤中,播撒精度有保證。
 

極飛睿播2.0如何實(shí)現(xiàn)精準(zhǔn)播撒
 
  睿播 2.0 采用了雙絞龍送料器的設(shè)計(jì),絞龍可快速拆裝。在播撒種子的時(shí)候可以快速更換適合種子顆粒大小的絞龍,在撒肥的時(shí)候,可以快速更換適合肥料顆粒大小的絞龍。
 

 

  在播撒的時(shí)候,絞龍每轉(zhuǎn)一圈推出去的料量是固定的。通過(guò)控制絞龍轉(zhuǎn)速就能控制推出的料量,無(wú)人機(jī)飛得速度越快,絞龍轉(zhuǎn)得越快;無(wú)人機(jī)飛得越慢,絞龍轉(zhuǎn)得越慢,可以實(shí)現(xiàn)變量、精準(zhǔn)、均勻播撒。比起目前市面上的單甩盤(pán)、雙甩盤(pán)、氣流式等播撒方式,睿播 2.0 垂直播撒方式的精準(zhǔn)性和均勻度表現(xiàn)更佳。
 

 

  精準(zhǔn)垂直向下播撒的方式:除了抗風(fēng)性更強(qiáng)外,還可以讓種子更高速、精準(zhǔn)的射入泥土,防止被鳥(niǎo)吃掉,降低作物發(fā)生倒伏的可能性。
 
  此外,睿播 2.0 的智能料箱,摒棄了傳統(tǒng)的稱重式監(jiān)測(cè)剩余料量的方式,避免了稱重傳感器受化肥腐蝕或附著后,造成測(cè)量不精準(zhǔn)的情況發(fā)生。睿播2.0 采用多普勒雷達(dá)來(lái)實(shí)時(shí)檢測(cè)剩余料量,通過(guò)發(fā)射、接收雷達(dá)波,計(jì)算種箱頂部與剩余化肥種子之間的高度,計(jì)算出剩余料量,探測(cè)雷達(dá)也不會(huì)受腐蝕和粘附,更加精準(zhǔn)。另外當(dāng)雷達(dá)檢測(cè)到的波形與之前檢測(cè)的不一樣時(shí),就可以判斷料箱此時(shí)沒(méi)有了余料,從而讓無(wú)人機(jī)立即停止播撒并記錄作業(yè)斷點(diǎn)位置,防止絞龍空轉(zhuǎn)和漏播。
 

極飛睿播2.0如何實(shí)現(xiàn)高效播撒
 
  很多人對(duì)播撒可能存在一個(gè)知識(shí)誤區(qū):要想播撒效率越高,無(wú)人機(jī)載重就要越大。其實(shí)無(wú)人機(jī)的播撒效率與載重關(guān)系不是很大。播撒效率高的本質(zhì)是:無(wú)人機(jī)在一定時(shí)間內(nèi),播撒的量多,播撒的地多。播撒的量多,意味著下料的速度要快;播撒的地多,意味著飛行的速度要快。
 
  垂直播盤(pán)的設(shè)計(jì)可以讓下料速度更快,此外我們對(duì) P100/V50 2022 款農(nóng)業(yè)無(wú)人機(jī)的動(dòng)力進(jìn)行了優(yōu)化,使無(wú)人機(jī)在五六級(jí)風(fēng)下仍然可以以 13.8 米/秒的速度播撒;同時(shí),對(duì)航線也進(jìn)行了優(yōu)化,無(wú)人機(jī)可以快速地飛到預(yù)定播撒的位置,播完后又快速地返航,降低能耗;此外播撒幅寬還可以根據(jù)飛行高度來(lái)動(dòng)態(tài)調(diào)整。
 

 
       經(jīng)實(shí)測(cè):一臺(tái) P100,一組電池,可以作業(yè) 7 個(gè)架次,畝用量 10 公斤/畝,22 分鐘可以下料 280 公斤①,大大提高了撒肥效率。
 
  另外,播撒料箱設(shè)計(jì)的兩邊開(kāi)口,可以同時(shí)加料,提高了裝料速度,并且降低了料箱口,使其更加符合人體力學(xué),更省力。
 
  極飛睿播 2.0 的絞龍電機(jī)的扭矩也進(jìn)行了優(yōu)化,在無(wú)人機(jī)檢測(cè)到料箱卡料后,電機(jī)會(huì)給絞龍輸出更大的動(dòng)力,從而輕松碾碎比較大的顆粒肥料,保證播撒更順暢。絞龍的快拆設(shè)計(jì),也大大方便了用戶作業(yè)后清洗播撒器,防止化肥板結(jié)在絞龍里造成卡肥。
 
  播種更精準(zhǔn),撒肥更高效,開(kāi)啟農(nóng)田無(wú)人播撒新時(shí)代,這就是極飛睿播 2.0。
 

       注:①使用料箱滿載 40 千克尿素,實(shí)際作業(yè) 7 架次測(cè)得,作業(yè)時(shí)間約 22 分鐘,進(jìn)入作業(yè)地塊距離約 30 米,P100 作業(yè)參數(shù):畝用量 10 千克/畝,播幅 7 米,飛行速度 13.8 米/秒,數(shù)據(jù)包含實(shí)際作業(yè)場(chǎng)景中的裝填緩沖與起降進(jìn)出航線時(shí)間。
 
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