大华DH-ARK1004防区扩展模块

评测依据

• review_count：2800
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:01:27","to":"2026-06-26 01:01:27"}
• intros：{"brand_intro":"大华股份成立于2001年，是全球领先的以视频为核心的智慧物联解决方案提供商，业务覆盖全球180多个国家和地区。公司拥有国家级博士后科研工作站，在视频监控、智能楼宇、报警系统等领域拥有深厚技术积累，连续多年入选\"全球安防50强\"前列，产品以高性价比和智能化著称，广泛应用于平安城市、智慧社区、商业连锁等场景。","product_intro":"DH-ARK1004是一款4路有线防区扩展模块，专为大华报警主机配套设计，支持NC/NO探测器接入，通过RS485总线实现远距离通信。模块内置看门狗电路，自动检测通信异常并重启，确保长期运行稳定。支持防区旁路、定时布撤防功能，可通过主机远程配置。体积小巧，适合安装在弱电箱或探测器附近，是中小型安防系统扩展的理想选择。","key_specs":["防区数量：4路有线（可级联扩展至16路）","通信方式：RS485，支持128个模块级联","工作电压：DC 12V，功耗≤2W","防拆保护：支持，含机壳防拆和线路防短接","工作温度：-20℃～+60℃，IP30防护等级","尺寸：120mm×80mm×25mm"]}
• alt_products：[{"product_name":"大华DH-ARK1004防区扩展模块","brand":"大华股份","model":"DH-ARK1004","price":145},{"product_name":"海康威视DS-19M08-ZS防区扩展模块","brand":"海康威视","model":"DS-19M08-ZS","price":189}]
• kol_quotes：["@安防达人李工：大华这款模块是'小身材大能量'，4路对于大多数家庭够用，级联后也能应对中型项目。","@智能家居测评：百元价位做到防拆和看门狗，大华诚意满满，推荐给DIY玩家。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":89.39999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其性价比极高，4路设计适合小型商铺或家庭局部扩展。安装简便，与主流大华报警主机兼容性好。部分用户提到说明书对级联配置描述不够详细，但客服响应及时。长期使用中未出现死机或误报，防拆功能可靠，适合预算有限但需要稳定扩展的用户。","source_count":0}},{"source":"objective","score":87.40608040201003,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.7,"price":145,"wom_score":89.39999999999999}},{"source":"user_review","score":94,"weight":0.2,"confidence":1,"details":{"rating_avg":4.7,"review_count":2800,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@安防达人李工：大华这款模块是'小身材大能量'，4路对于大多数家庭够用，级联后也能应对中型项目。","@智能家居测评：百元价位做到防拆和看门狗，大华诚意满满，推荐给DIY玩家。"]}}]
• method_version：v2
• search_visual：null