|
無線通訊受到現場工業設備的幹擾,分為無線通訊頻段受到幹擾和無線通訊模塊本身受到幹擾。
在無線通訊頻段上,賽遠采用的433MHz、868MHz等deng對dui於yu現xian場chang設she備bei產chan生sheng的de幹gan擾rao源yuan,屬shu於yu高gao頻pin,除chu了le電dian弧hu焊han設she備bei能neng夠gou產chan生sheng這zhe樣yang的de高gao頻pin之zhi外wai,其qi他ta的de如ru變bian頻pin器qi等deng,產chan生sheng不bu了le這zhe樣yang的de高gao頻pin無wu線xian電dian,而er無wu線xian電dian具ju有you不bu同tong頻pin,不bu幹gan擾rao的de特te點dian。如ru同tong手shou機ji采cai用yong的de是shi900MHz\1800MHz\2G Hz,和WIFI的2.4G是不會產生相互幹擾的一樣。
如下為不同工業設備產生的幹擾頻譜:

賽sai遠yuan的de無wu線xian通tong訊xun模mo塊kuai在zai設she計ji上shang,按an照zhao工gong業ye等deng級ji設she計ji,考kao慮lv避bi免mian由you於yu這zhe些xie工gong業ye現xian場chang的de設she備bei產chan生sheng的de諧xie波bo幹gan擾rao。對dui於yu大da功gong率lv變bian頻pin器qi,對dui於yu賽sai遠yuan無wu線xian通tong訊xun模mo塊kuai來lai說shuo,最zui重zhong要yao的de是shi考kao慮lv電dian源yuan的de穩wen定ding性xing,在zai選xuan用yong工gong業ye電dian源yuan時shi,不bu要yao貪tan圖tu便bian宜yi,隨sui便bian選xuan用yong。無wu線xian電dian,當dang功gong率lv增zeng大da時shi,會hui對dui劣lie質zhi的de電dian源yuan產chan生sheng幹gan擾rao,對dui於yu紋wen波bo係xi數shu較jiao大da的de電dian源yuan,可ke能neng會hui由you此ci產chan生sheng電dian源yuan的de紋wen波bo和he抖dou動dong,給gei無wu線xian模mo塊kuai的de正zheng常chang工gong作zuo帶dai來lai嚴yan重zhong影ying響xiang。隻zhi要yao是shi電dian源yuan模mo塊kuai選xuan用yong合he適shi,從cong電dian源yuan上shang保bao障zhang,賽sai遠yuan的de無wu線xian通tong訊xun模mo塊kuai適shi合he工gong業ye現xian場chang的de複fu雜za應ying用yong。
|