防爆型と本安型防爆リチウム電気フォークリフトの構造の違いを詳しく解読する

2026-06-27

防爆型と本安型防爆リチウム電気フォークリフトの構造の違いを詳しく解読する(図1)

可燃性および爆発性の作業環境では、防爆リチウム電気フォークリフトは、マテリアルハンドリングの安全性を確保するための重要な機器です。2つの主流の防爆タイプとして、防爆タイプと本安タイプの構造設計には大きな違いがあり、機器の防爆性能と適用シナリオに直接影響します。

コア防爆部品の違い

防爆防爆リチウム電気フォークリフトのコア防爆部品は、火花やアークを発生させる可能性のある電気部品を完全に包み込む防爆シェルです。シェルは、内部で爆発が発生した場合でも、十分な機械的強度を備えています。シェル内の爆発エネルギーを制限し、外部の可燃性および爆発性媒体の燃焼または爆発を引き起こさないようにします。シェルの接合面は特殊加工されており、ギャップの幅と長さは標準に厳密に準拠しており、爆発性の炎がギャップを通って外側に広がるのを防ぎます。

本安型防爆リチウム電気フォークリフトは安全柵をコア部品とし、安全柵は回路内のエネルギーを制限して、正常な動作や故障状態で、回路が発生する火花や熱効果が可燃性爆発性媒体を点火するしきい値に達しないようにすることができる。さらに、この安全装置の電気部品も特別に選択されており、それ自体のエネルギー放出レベルは安全範囲内で厳密に制御されています。

回路システム設計の違い

防爆フォークリフトの回路システム設計は、絶縁と保護に重点を置いています。防爆シェルに依存することに加えて、回路自体の保護レベルも高くなっています。一部の主要な回路には、過負荷および短絡保護装置が設置されますが、回路全体のエネルギーは厳密に制限されていません。電流とエネルギーを制限しますが、シェルの物理的保護によって爆発が外側に伝播する経路をブロックします。

本安型フォークリフトの回路システムは限流限能の設計思想を貫いて、電源から各電気部品まで、安全ゲートを通じてエネルギー管理を行い、各回路ノードのエネルギーが安全値以下であることを確保している。同時に、本安型回路は高エネルギーの部品の使用を避け、配線時にも隔離措置をとり、異なる回路間のエネルギー干渉が危険を引き起こすのを防ぐ。

全体的な保護構造の違い

防爆フォークリフトの全体的な構造は、シェルの堅牢性に重点を置いています。電気部品の防爆シェルに加えて、モーターシェルやバッテリーボックスなどのフォークリフトの一部の機械部品も高強度材料で作られます。一部の部品は、外力の衝突によるシェルの損傷を防ぎ、防爆性能に影響を与えるために保護層を追加します。さらに、防爆フォークリフトの換気構造設計では、可燃性および爆発性ガスがシェルの内部に侵入しないように、防爆要件も考慮します。

本安型フォークリフトの全体構造は軽量化と微細化に偏っており、厚い防爆ケースを必要としないため、設備の重量は比較的軽く、狭い作業環境での操作が容易である。その保護の重点は部品の密封性と安定性で、電池、モーターなどの部品は密封設計を採用して、外部の可燃性爆発性媒体の侵入を防ぐと同時に、内部エネルギー漏洩のリスクを減らす。

要約すると、防爆タイプとベンアンタイプの防爆リチウムフォークリフトの構造の違いは、防爆原理の違いに起因します。防爆タイプは、防爆を実現するために物理的な分離に依存し、爆発リスクの高い環境に適しています。ベンアンタイプは、エネルギー制限によって防爆を実現します。これは、機器の柔軟性が必要なシナリオに適しています。これらの構造の違いを理解することは、企業が独自の作業環境に応じて適切な防爆リチウムフォークリフトを選択するのに役立ちます。

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