{"id":4586,"date":"2026-09-08T01:03:10","date_gmt":"2026-09-08T08:03:10","guid":{"rendered":"https:\/\/www.26yc.com\/ec-fan-heat-recovery-systems\/"},"modified":"2026-10-08T23:36:11","modified_gmt":"2026-10-09T06:36:11","slug":"ec-fan-heat-recovery-systems","status":"publish","type":"post","link":"https:\/\/www.26yc.com\/ja\/ec-fan-heat-recovery-systems\/","title":{"rendered":"EC\u30d5\u30a1\u30f3\uff0b\u71b1\u56de\u53ce\uff1a\u30d5\u30a1\u30f3\u52d5\u529b\u3068\u6696\u623f\u8ca0\u8377\u306e\u4e21\u524a\u6e1b"},"content":{"rendered":"

When engineers chase energy savings in a ventilation system, they usually think about the heat exchanger first and the fan second. That is backwards for part of the problem. A recovery core hands back the thermal energy in the exhaust, but the fan that pushes air through that core also consumes a large and often overlooked slice of the building’s electricity, and that slice grows sharply at part load. Pairing air-to-air recovery with electronically commutated (EC) fans attacks both losses at once: the core cuts the heating and cooling duty while the EC fan cuts the electricity needed to move the air. This article explains why the two belong together, how they behave at part load, and how to control them as one system.<\/p>\n

Two savings at once<\/h2>\n

An AHU\u7d71\u5408\u578b\u56de\u53ce\u30b3\u30a2<\/a> \u306f\u901a\u5e38\u3001\u6392\u6c17\u4e2d\u306e\u9855\u71b1\u30a8\u30cd\u30eb\u30ae\u30fc\u306e60\u301c80\uff05\u3092\u56de\u53ce\u3057\u3001\u30b3\u30a4\u30eb\u8ca0\u8377\u3068\u30d7\u30e9\u30f3\u30c8\u898f\u6a21\u3092\u7e2e\u5c0f\u3059\u308b\u3002\u3057\u304b\u3057\u30b3\u30a2\u304c\u71b1\u7684\u306b\u7bc0\u7d04\u3059\u308b\u6bcf\u4e00\u7acb\u65b9\u30e1\u30fc\u30c8\u30eb\u306f\u3001\u30d5\u30a1\u30f3\u306b\u3088\u3063\u3066\u30b3\u30a2\u3092\u901a\u308a\u629c\u3051\u308b\u3088\u3046\u62bc\u3055\u308c\u306d\u3070\u306a\u3089\u305a\u3001\u305d\u306e\u30d5\u30a1\u30f3\u306f\u5efa\u7269\u306e\u751f\u6daf\u3092\u901a\u3058\u3066\u7a3c\u50cd\u3059\u308b\u3002\u5f93\u6765\u306eAC\u8a98\u5c0e\u30d5\u30a1\u30f3\u30e2\u30fc\u30bf\u30fc\u306f\u307b\u307c\u5b9a\u901f\u3067\u56de\u308a\u3001\u4f59\u5270\u6d41\u91cf\u3092\u30c0\u30f3\u30d1\u3067\u6368\u3066\u3066\u30b9\u30ed\u30c3\u30c8\u30eb\u640d\u3068\u3057\u3066\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u6d6a\u8cbb\u3059\u308b\u3002EC\u30e2\u30fc\u30bf\u30fc\u306f\u96fb\u5b50\u5236\u5fa1\u306e\u53ef\u5909\u901f\u99c6\u52d5\u3067\u3042\u308a\u3001\u98a8\u91cf\u304c\u5b9f\u969b\u306b\u5fc5\u8981\u3068\u3059\u308b\u96fb\u529b\u306e\u307f\u3092\u5f15\u304f\u3002\u4e21\u8005\u3092\u5408\u308f\u305b\u308c\u3070\u3001\u540c\u4e00\u30e6\u30cb\u30c3\u30c8\u3067\u6696\u623f\u8cbb\u3068\u30d5\u30a1\u30f3\u96fb\u6c17\u4ee3\u3092\u524a\u6e1b\u3067\u304d\u308b\u3002 \u7a7a\u6c17\uff0d\u7a7a\u6c17\u56de\u53ce<\/a> \u306f\u71b1\u7684\u4e0a\u9650\u3092\u6c7a\u3081\u3001EC\u30d5\u30a1\u30f3\u306f\u96fb\u6c17\u7684\u4e0b\u9650\u3092\u6c7a\u3081\u308b\u3002<\/p>\n

Part-load behaviour<\/h2>\n

\u5efa\u7269\u304c\u8a2d\u8a08\u8ca0\u8377\u3067\u7a3c\u50cd\u3059\u308b\u3053\u3068\u306f\u7a00\u3060\u3002\u5728\u5ba4\u4eba\u6570\u3001\u5916\u6c17\u6e29\u3001\u30d7\u30ed\u30bb\u30b9\u541e\u5410\u91cf\u306f\u4e00\u65e5\u306e\u9593\u306b\u5909\u52d5\u3057\u3001\u63db\u6c17\u9700\u8981\u3082\u540c\u69d8\u3060\u3002\u307e\u3055\u306b\u305d\u3053\u3067\u7d44\u307f\u5408\u308f\u305b\u304c\u5b9f\u3092\u7d50\u3076\u3002EC\u30d5\u30a1\u30f3\u306f\u5b9f\u969b\u306e\u98a8\u91cf\u306b\u5fdc\u3058\u3066\u901f\u5ea6\u3068\u96fb\u529b\u3092\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3059\u308b\u305f\u3081\u3001\u534a\u5206\u306e\u9700\u8981\u3067\u3082\u5168\u8ca0\u8377\u30ef\u30c3\u30c8\u306e\u534a\u5206\u4ee5\u4e0b\u3092\u5f15\u304f\u3053\u3068\u304c\u3067\u304d\u3001\u4e00\u65b9\u56fa\u5b9a\u901f\u5ea6AC\u30d5\u30a1\u30f3\u306f\u6d88\u8cbb\u3092\u307b\u3068\u3093\u3069\u5909\u3048\u306a\u3044\u3002\u56de\u53ce\u52b9\u7387\u306f\u30b3\u30a2\u304c\u53d7\u52d5\u88c5\u7f6e\u3067\u3042\u308b\u305f\u3081\u5e83\u3044\u6d41\u91cf\u7bc4\u56f2\u3067\u9ad8\u304f\u4fdd\u305f\u308c\u3001\u6975\u4f4e\u3044\u9762\u6d41\u901f\u3067\u306f\u308f\u305a\u304b\u306b\u843d\u3061\u308b\u304c\u30d5\u30a1\u30f3\u304c\u7bc0\u7d04\u3059\u308b\u91cf\u306b\u306f\u9060\u304f\u53ca\u3070\u306a\u3044\u3002\u7d50\u679c\u3068\u3057\u3066\u3001\u5efa\u7269\u304c\u3088\u308a\u5c11\u306a\u3044\u7a7a\u6c17\u3092\u4f7f\u3046\u6642\u306b\u307e\u3055\u306b\u52b9\u7387\u304c\u5411\u4e0a\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3068\u306a\u308b\u3002\u305d\u308c\u306f\u5927\u534a\u306e\u6642\u9593\u3060\u3002<\/p>\n

Controls<\/h2>\n

\u7bc0\u6e1b\u304c\u5b9f\u73fe\u3059\u308b\u306e\u306f\u3001\u5236\u5fa1\u304c\u5b9f\u969b\u306b\u30d5\u30a1\u30f3\u3068\u30d0\u30a4\u30d1\u30b9\u3092\u3068\u3082\u306b\u6307\u4ee4\u3059\u308b\u3068\u304d\u3060\u3051\u3060\u3002\u5728\u5ba4\u7a7a\u9593\u306eCO2\u30bb\u30f3\u30b5\u30fc\u3084\u30d7\u30ed\u30bb\u30b9\u30e9\u30a4\u30f3\u304b\u3089\u306eVFD\u4fe1\u53f7\u3092\u7528\u3044\u305f\u8981\u6c42\u5236\u5fa1\u63db\u6c17\u304c\u76ee\u6a19\u98a8\u91cf\u3092\u6c7a\u3081\u3001EC\u30d5\u30a1\u30f3\u304c\u305d\u308c\u306b\u5f93\u3046\u3002\u6975\u3081\u3066\u91cd\u8981\u306a\u306e\u306f\u3001\u56de\u53ce\u30b3\u30a2\u306b\u9023\u52d5\u30d0\u30a4\u30d1\u30b9\u304c\u5fc5\u8981\u306a\u3053\u3068\u3060\u3002\u81ea\u7531\u51b7\u5374\u304c\u5f97\u3089\u308c\u308b\u7a4f\u3084\u304b\u306a\u65e5\u306b\u306f\u3001\u5236\u5fa1\u306f\u30ed\u30fc\u30bf\u30fc\u3092\u505c\u6b62\u307e\u305f\u306f\u30d0\u30a4\u30d1\u30b9\u3057\u3001EC\u30d5\u30a1\u30f3\u304c\u7121\u99c4\u306a\u5727\u529b\u640d\u5931\u3092\u6255\u3063\u3066\u307e\u3067\u30a2\u30a4\u30c9\u30eb\u72b6\u614b\u306e\u30b3\u30a2\u3092\u5f37\u5236\u901a\u98a8\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u76f4\u63a5\u5916\u6c17\u3092\u5438\u3044\u8fbc\u307e\u305b\u308b\u3079\u304d\u3067\u3042\u308b\u3002\u9806\u5e8f\u5236\u5fa1\u306e\u8ad6\u7406\u306f\u539f\u7406\u7684\u306b\u5358\u7d14\u2014\u2014\u30a8\u30b3\u30ce\u30de\u30a4\u30b6\u3068\u8981\u6c42\u5236\u5fa1\u3092\u5148\u306b\u3001\u7a7a\u6c17\u304c\u5b9f\u969b\u306b\u8abf\u548c\u3092\u8981\u3059\u308b\u3068\u304d\u56de\u53ce\u2014\u2014\u3060\u304c\u3001\u660e\u793a\u7684\u306b\u66f8\u304b\u306d\u3070\u4e8c\u3064\u306e\u30b7\u30b9\u30c6\u30e0\u304c\u4e92\u3044\u306b\u4e89\u3046\u3002\u4e00 \u9078\u5b9a\u30ac\u30a4\u30c9<\/a> \u9078\u629e\u3057\u305f\u30b3\u30a2\u306e\u5727\u529b\u640d\u5931\u304c\u30d5\u30a1\u30f3\u66f2\u7dda\u306b\u5bfe\u3057\u3066\u3069\u3053\u306b\u3042\u308b\u304b\u3092\u6574\u7406\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u3002<\/p>\n\n\n\n\n\n\n\n\n
\u9805\u76ee<\/th>\nAC\u8a98\u5c0e\u30d5\u30a1\u30f3<\/th>\nEC\u30d5\u30a1\u30f3<\/th>\n<\/tr>\n<\/thead>\n
\u90e8\u5206\u8ca0\u8377\u96fb\u529b<\/td>\n\u98a8\u91cf\u306b\u5bfe\u3057\u307b\u3068\u3093\u3069\u4f4e\u4e0b\u305b\u305a<\/td>\n\u6d41\u91cf\u306b\u5fdc\u3058\u3066\u5909\u5316\uff08\u307b\u307c\u7acb\u65b9\u5247\uff09<\/td>\n<\/tr>\n
\u901f\u5ea6\u5236\u5fa1<\/td>\n\u5916\u90e8VFD\u304c\u5fc5\u8981<\/td>\n\u5185\u8535\u3001\u9ad8\u7cbe\u5ea6<\/td>\n<\/tr>\n
\u5727\u529b\u640d\u5931\u611f\u5ea6<\/td>\n\u305d\u308c\u3068\u95d8\u3063\u3066\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u6d6a\u8cbb<\/td>\n\u8a2d\u5b9a\u70b9\u3092\u4fdd\u6301\u3059\u308b\u3088\u3046\u8abf\u6574<\/td>\n<\/tr>\n
\u4ee3\u8868\u7684\u5e74\u9593kWh<\/td>\n\u9ad8\u3044<\/td>\n20\u301c50\uff05\u4f4e\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Specifying the package<\/h2>\n

When you buy recovery and fans separately you risk a mismatch: a great core on a fan that cannot exploit it, or an EC fan on a core with so much pressure drop the savings evaporate. Specify them as one package, sized so the EC fan’s operating point sits on its efficient region at design flow and the core’s pressure drop is within budget at that point. Include the bypass damper in the control sequence from day one, and commission the unit by measuring both the recovered energy and the fan wattage, not just confirming the wheel spins. For large air-handling units our AHU\u7d71\u5408\u306e\u8a18\u4e8b<\/a> \u30b3\u30a2\u3068\u30d5\u30a1\u30f3\u304c\u7b50\u4f53\u5185\u3067\u6700\u3082\u9069\u3057\u305f\u4f4d\u7f6e\u306b\u3042\u308b\u304b\u3092\u6271\u3046\u3002<\/p>\n

Build a low-energy recovery unit with QIYU<\/h2>\n

QIYU\u306fEC\u30d5\u30a1\u30f3\u30bb\u30c3\u30c8\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3088\u3046\u5bf8\u6cd5\u6c7a\u5b9a\u3055\u308c\u305f\u7a7a\u6c17\u5bfe\u7a7a\u6c17\u56de\u53ce\u30b3\u30a2\u3092\u4f9b\u7d66\u3057\u3001AHU\u304a\u3088\u3073\u88dc\u7d66\u7a7a\u6c17\u7528\u9014\u5411\u3051\u306b\u30d0\u30a4\u30d1\u30b9\u3068\u8981\u6c42\u5236\u5fa1\u5bfe\u5fdc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5099\u3048\u308b\u3002\u98a8\u91cf\u3001\u5727\u529b\u4e88\u7b97\u3001\u5236\u5fa1\u6226\u7565\u3092\u304a\u77e5\u3089\u305b\u3044\u305f\u3060\u3051\u308c\u3070 \u304a\u554f\u3044\u5408\u308f\u305b<\/a> \u30b5\u30a4\u30b8\u30f3\u30b0\u898b\u7a4d\u3082\u308a\u306b\u3064\u3044\u3066\u3002WhatsApp +86 15753355505\u3001\u7c73\u56fd\u96fb\u8a71 +1 915 295-3666\u3001\u307e\u305f\u306f\u30e1\u30fc\u30eb kuns913@gmail.com \u3067\u694a\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u307e\u3067\u3054\u9023\u7d61\u304f\u3060\u3055\u3044\u3002\u9069\u5207\u306a\u30e2\u30c7\u30eb\u9078\u629e\u3084\u30ab\u30b9\u30bf\u30e0\u56de\u53ce\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u8a2d\u8a08\u3092\u304a\u624b\u4f1d\u3044\u3057\u307e\u3059\u3002<\/p>\n

\n

\u95a2\u9023\u8a18\u4e8b<\/h3>\n