> For the complete documentation index, see [llms.txt](https://water-strategy.gitbook.io/waterstrategy/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://water-strategy.gitbook.io/waterstrategy/zhong-guo-ren/jian-mo-ji-chu-zhi-shi/node-types/water-input/input-node.md).

# 输入节点

## 一般描述

输入节点代表系统中的水输入。

在每个时间步中，输入节点可以提供尽可能多的水 **最大流量** 属性。但是，不像 [集水节点](https://water-strategy.gitbook.io/water-strategy/modelling-fundamentals/node-types/catchment-node) 它们需要释放在 Flow 属性中定义的水量，除非输入节点的水量为非零，否则不需要释放任何水 **最小流量**。

输入节点通常用于表示由收益率定义的来源。它们通常用于表示地下水产量。

[API 参考资料](https://pywr.github.io/pywr-docs/master/api/generated/pywr.nodes.Input.html)。

## 主要属性

<table><thead><tr><th width="181.33333333333331">姓名</th><th width="342">描述</th><th>必填项</th></tr></thead><tbody><tr><td>分配罚款</td><td>通过节点的单位流量的分配成本</td><td>可选</td></tr><tr><td>最大流量</td><td>节点上的最大流量约束</td><td>可选</td></tr><tr><td>最小流量</td><td>节点上的最小流量约束</td><td>可选</td></tr></tbody></table>

## 例子

即将推出...


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