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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
來源:極飛科技 閱讀量:12527
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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,開啟了無人機的播撒應(yīng)用。經(jīng)過兩年發(fā)展,農(nóng)戶對無人機播撒的需求大幅增長,播種、撒肥、投飼成為了重要的應(yīng)用場景。
【農(nóng)機網(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,開啟了無人機的播撒應(yīng)用。經(jīng)過兩年發(fā)展,農(nóng)戶對無人機播撒的需求大幅增長,播種、撒肥、投飼成為了重要的應(yīng)用場景。
播撒精準(zhǔn)和高效,哪個更重要
顆粒播撒的場景一般分為撒肥和播種。在撒肥場景下,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;而在播種的場景下,用戶對播撒的精準(zhǔn)性和均勻度要求是第一位。
在播撒種子的過程中,如果以水平甩出的方式,理論上種子可以向兩邊散開,這樣播撒的幅度會更寬。但現(xiàn)實中,種子顆粒從播出到落地往往需要幾秒的時間,如果此時有側(cè)風(fēng)吹來,容易形成飄種問題,造成漏播重播。這也是目前播撒市場追求效率而犧牲掉精度的后果。那么有沒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,種子只要零點幾秒的時間便可扎入土壤中,播撒精度有保證。
極飛睿播2.0如何實現(xiàn)精準(zhǔn)播撒
睿播 2.0 采用了雙絞龍送料器的設(shè)計,絞龍可快速拆裝。在播撒種子的時候可以快速更換適合種子顆粒大小的絞龍,在撒肥的時候,可以快速更換適合肥料顆粒大小的絞龍。
在播撒的時候,絞龍每轉(zhuǎn)一圈推出去的料量是固定的。通過控制絞龍轉(zhuǎn)速就能控制推出的料量,無人機飛得速度越快,絞龍轉(zhuǎn)得越快;無人機飛得越慢,絞龍轉(zhuǎn)得越慢,可以實現(xiàn)變量、精準(zhǔn)、均勻播撒。比起目前市面上的單甩盤、雙甩盤、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)性更強外,還可以讓種子更高速、精準(zhǔn)的射入泥土,防止被鳥吃掉,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,造成測量不精準(zhǔn)的情況發(fā)生。睿播2.0 采用多普勒雷達(dá)來實時檢測剩余料量,通過發(fā)射、接收雷達(dá)波,計算種箱頂部與剩余化肥種子之間的高度,計算出剩余料量,探測雷達(dá)也不會受腐蝕和粘附,更加精準(zhǔn)。另外當(dāng)雷達(dá)檢測到的波形與之前檢測的不一樣時,就可以判斷料箱此時沒有了余料,從而讓無人機立即停止播撒并記錄作業(yè)斷點位置,防止絞龍空轉(zhuǎn)和漏播。
極飛睿播2.0如何實現(xiàn)高效播撒
很多人對播撒可能存在一個知識誤區(qū):要想播撒效率越高,無人機載重就要越大。其實無人機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:無人機在一定時間內(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。
垂直播盤的設(shè)計可以讓下料速度更快,此外我們對 P100/V50 2022 款農(nóng)業(yè)無人機的動力進(jìn)行了優(yōu)化,使無人機在五六級風(fēng)下仍然可以以 13.8 米/秒的速度播撒;同時,對航線也進(jìn)行了優(yōu)化,無人機可以快速地飛到預(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)飛行高度來動態(tài)調(diào)整。
經(jīng)實測:一臺 P100,一組電池,可以作業(yè) 7 個架次,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)計的兩邊開口,可以同時加料,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 的絞龍電機的扭矩也進(jìn)行了優(yōu)化,在無人機檢測到料箱卡料后,電機會給絞龍輸出更大的動力,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,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,開啟農(nóng)田無人播撒新時代,這就是極飛睿播 2.0。
注:①使用料箱滿載 40 千克尿素,實際作業(yè) 7 架次測得,作業(yè)時間約 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)包含實際作業(yè)場景中的裝填緩沖與起降進(jìn)出航線時間。
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