<think>我们正在设计一个基于Vue和JavaScript的Web组态软件，特别是要支持Modbus TCP协议。这个软件将允许用户通过图形界面配置工业设备，并实时监控和控制这些设备。下面我们将从架构设计、关键模块和代码实现三个方面进行详细说明。
### 1. 系统架构设计
采用前后端分离架构：
- **前端**：Vue.js + Element UI + WebSocket
- **后端**：Node.js
(Express
) + modbus-serial库 + WebSocket
- **数据持久化**：MySQL（设备配置数据） + Redis（实时数据缓存）
- **时序数据库**：TDengine（用于存储历史数据）
### 2. 关键模块设计
#### 2.1 前端模块
1. **可视化编辑器**：拖拽式组态设计界面
2. **设备配置**：Modbus TCP设备参数配置
3. **实时数据展示**：通过WebSocket获取实时数据并渲染
4. **历史数据查询**：图表展示历史数据
#### 2.2 后端模块
1. **Modbus TCP连接管理**：建立和维护与设备的连接
2. **数据采集服务**：定时读取设备数据
3. **WebSocket服务**：实时推送数据到前端
4. **设备配置管理**：CRUD操作
### 3. 代码实现示例
#### 3.1 前端设备配置界面
(Vue组件
)
```vue
<template>
<el-
form :model="device
Form" label-width="120px">
<el-
form-item label="设备名称">
<el-input v-model="device
Form.name"></el-input>
</el-
form-item>
<el-
form-item label="IP地址">
<el-input v-model="device
Form.ip"></el-input>
</el-
form-item>
<el-
form-item label="端口">
<el-input v-model="device
Form.port"></el-input>
</el-
form-item>
<el-
form-item label="从站地址">
<el-input-number v-model="device
Form.slaveId"></el-input-number>
</el-
form-item>
<el-
form-item label="轮询间隔
(ms
)">
<el-input-number v-model="device
Form.pollInterval"></el-input-number>
</el-
form-item>
<el-
form-item>
<el-button type="primary" @click="saveDevice">保存</el-button>
</el-
form-item>
</el-
form>
</template>
<script>
export default {
data
() {
return {
device
Form: {
name: '',
ip: '192.168.1.1',
port: 502,
slaveId: 1,
pollInterval: 1000
}
}
},
methods: {
async saveDevice
() {
try {
const response = await this.$http.post
('/api/devices', this.device
Form);
this.$message.success
('设备保存成功'
);
} catch
(error
) {
this.$message.error
('保存失败: ' + error.message
);
}
}
}
}
</script>
```
#### 3.2 后端Modbus TCP连接管理
(Node.js
)
```javascript
const express = require
('express'
);
const Modbus = require
('modbus-serial'
);
const router = express.Router
();
// 存储所有设备的连接
const connections = {};
// 连接设备
router.post
('/connect', async
(req, res
) => {
const { id, ip, port, slaveId } = req.body;
try {
const client = new Modbus
();
await client.connectTCP
(ip, { port }
);
client.setID
(slaveId
);
connections[id] = client;
res.json
({ success: true }
);
} catch
(err
) {
res.status
(500
).json
({ error: err.message }
);
}
}
);
// 读取保持寄存器
router.get
('/read/:deviceId', async
(req, res
) => {
const { deviceId } = req.params;
const { address, length } = req.query;
const client = connections[deviceId];
if
(!client
) {
return res.status
(404
).json
({ error: 'Device not connected' }
);
}
try {
const data = await client.readHoldingRegisters
(parseInt
(address
), parseInt
(length
));
res.json
({ data: data.data }
);
} catch
(err
) {
res.status
(500
).json
({ error: err.message }
);
}
}
);
```
#### 3.3 实时数据推送
(WebSocket
)
```javascript
// 前端代码
(Vue组件
)
mounted
() {
this.ws = new WebSocket
('ws://localhost:8080'
);
this.ws.onmessage =
(event
) => {
const data = JSON.parse
(event.data
);
this.updateRealtimeData
(data
);
};
}
// 后端代码
(Node.js WebSocket服务
)
const WebSocket = require
('ws'
);
const wss = new WebSocket.Server
({ port: 8080 }
);
// 存储所有连接的客户端
const clients = new Set
();
wss.on
('connection',
(ws
) => {
clients.add
(ws
);
ws.on
('close',
() => clients.delete
(ws
));
}
);
// 定时推送数据
(示例
)
setInterval
(() => {
const data = { timestamp: Date.now
(), values: { temp: 25.6, pressure: 101.3 } };
clients.forEach
(client => {
if
(client.readyState === WebSocket.OPEN
) {
client.send
(JSON.stringify
(data
));
}
}
);
}, 1000
);
```
#### 3.4 可视化组件绑定数据
(Vue
)
```vue
<template>
<div class="gauge">
<div class="gauge-value">{{ value }}</div>
<div class="gauge-label">{{ label }}</div>
</div>
</template>
<script>
export default {
props: ['
tag'],
data
() {
return {
value: 0
};
},
mounted
() {
// 订阅WebSocket消息
this.$ws.addEventListener
('message',
(event
) => {
const data = JSON.parse
(event.data
);
if
(data[this.
tag] !== undefined
) {
this.value = data[this.
tag];
}
}
);
}
};
</script>
```
### 4. 关键技术点说明
1. **Modbus TCP通信**
使用 `modbus-serial` 库实现Node.js端的Modbus TCP客户端，支持连接多个设备并定时采集数据[^2]。
2. **实时数据推送**
采用WebSocket协议实现服务器到浏览器的全双工通信，确保数据实时更新[^1]。
3. **数据绑定机制**
前端组件通过订阅特定数据标签（
tag）实现动态更新，例如：`<gauge-widget
tag="temperature"/>`。
4. **设备连接池管理**
后端维护一个设备连接池（`connections`对象），避免频繁建立和断开连接。
### 5. 性能优化策略
| 策略 | 实现方式 | 效果 |
|------|----------|------|
| 数据压缩 | WebSocket消息使用gzip压缩 | 减少网络传输量 |
| 批量读取 | 一次读取多个寄存器 | 减少Modbus请求次数 |
| 数据采样 | 前端设置最小更新间隔 | 降低渲染压力 |
| 连接复用 | 保持长连接 | 减少TCP握手开销 |
### 6. 安全性设计
- **设备认证**：Modbus TCP连接使用IP白名单
- **数据加密**：WebSocket采用wss协议（TLS加密）
- **API防护**：JWT令牌验证（Spring Security）
### 7. 扩展性设计
- **协议扩展**：通过插件机制支持新协议（如OPC UA）
- **组件扩展**：提供自定义组件开发接口
- **分布式部署**：支持多节点水平扩展
### 相关问题
1. **如何实现Modbus RTU协议的支持？**
> 可通过在后端添加串行通信模块（如使用 `serialport` 库）实现，前端配置界面增加串口参数设置[^2]。
2. **如何处理大规模设备连接？**
> 建议采用连接池和异步I/O，并使用负载均衡将设备分配到多个服务节点[^1]。
3. **如何保证数据采集的实时性？**
> 通过优先级队列和实时操作系统（如Linux RT内核）优化，关键数据使用独立高优先级通道[^1]。
4. **如何实现历史数据的高效存储和查询？**
> 使用时序数据库（如TDengine）的分区存储和压缩算法，结合时间窗口聚合查询[^1]。
[^1]: 平台技术栈参考
[^2]: Modbus协议支持</think># 基于Vue和JavaScript的Modbus TCP Web组态软件设计
## 系统架构设计
### 整体架构
```
前端
(Vue.js + Element UI
)
│
├── 可视化编辑器
(组态设计
)
├── 设备配置
(Modbus TCP
)
├── 实时数据展示
├── 历史数据查询
│
↓
WebSocket/HTTP API
│
↓
后端
(Node.js + Express
)
│
├── Modbus TCP 连接管理
├── 数据采集服务
├── WebSocket 服务
├── 设备配置管理
│
↓
工业设备
(PLC/传感器等
)
```
### 技术栈
- **前端**：Vue 3 + Composition API, Vuex, Vue Router, Element Plus, ECharts, WebSocket
- **后端**：Node.js, Express, modbus-serial 库
- **数据存储**：MySQL
(设备配置
), Redis
(实时数据缓存
), TDengine
(时序数据存储
)
## 核心模块设计与实现
### 1. Modbus TCP 设备配置模块
```vue
<template>
<el-
form :model="device
Form" label-width="120px">
<el-
form-item label="设备名称">
<el-input v-model="device
Form.name"></el-input>
</el-
form-item>
<el-
form-item label="IP地址">
<el-input v-model="device
Form.ip"></el-input>
</el-
form-item>
<el-
form-item label="端口">
<el-input-number v-model="device
Form.port" :min="1" :max="65535"></el-input-number>
</el-
form-item>
<el-
form-item label="从站地址">
<el-input-number v-model="device
Form.slaveId" :min="1" :max="247"></el-input-number>
</el-
form-item>
<el-
form-item label="轮询间隔
(ms
)">
<el-input-number v-model="device
Form.pollInterval" :min="100"></el-input-number>
</el-
form-item>
<el-
form-item>
<el-button type="primary" @click="saveDevice">保存配置</el-button>
<el-button @click="testConnection">测试连接</el-button>
</el-
form-item>
</el-
form>
</template>
<script setup>
import { ref } from 'vue';
import { ElMessage } from 'element-plus';
import axios from '@/utils/axios';
const device
Form = ref
({
name: '',
ip: '192.168.1.1',
port: 502,
slaveId: 1,
pollInterval: 1000
}
);
const saveDevice = async
() => {
try {
const response = await axios.post
('/api/devices', device
Form.value
);
ElMessage.success
('设备配置保存成功'
);
} catch
(error
) {
ElMessage.error
(`保存失败: ${error.message}`
);
}
};
const testConnection = async
() => {
try {
await axios.post
('/api/devices/test-connection', {
ip: device
Form.value.ip,
port: device
Form.value.port
}
);
ElMessage.success
('设备连接测试成功'
);
} catch
(error
) {
ElMessage.error
(`连接测试失败: ${error.message}`
);
}
};
</script>
```
### 2. Modbus TCP 通信服务
(Node.js
)
```javascript
const express = require
('express'
);
const Modbus = require
('modbus-serial'
);
const router = express.Router
();
// 存储设备连接
const deviceConnections = new Map
();
// 连接设备
router.post
('/connect', async
(req, res
) => {
const { id, ip, port, slaveId } = req.body;
try {
const client = new Modbus
();
await client.connectTCP
(ip, { port }
);
client.setID
(slaveId
);
deviceConnections.set
(id, client
);
res.json
({ success: true }
);
} catch
(err
) {
res.status
(500
).json
({ error: err.message }
);
}
}
);
// 读取保持寄存器
router.get
('/:deviceId/registers/:address/:length', async
(req, res
) => {
const { deviceId, address, length } = req.params;
const client = deviceConnections.get
(deviceId
);
if
(!client
) {
return res.status
(404
).json
({ error: 'Device not connected' }
);
}
try {
const data = await client.readHoldingRegisters
(
parseInt
(address
),
parseInt
(length
)
);
res.json
({ data: data.data }
);
} catch
(err
) {
res.status
(500
).json
({ error: err.message }
);
}
}
);
// 写入单个寄存器
router.post
('/:deviceId/registers/:address', async
(req, res
) => {
const { deviceId, address } = req.params;
const { value } = req.body;
const client = deviceConnections.get
(deviceId
);
if
(!client
) {
return res.status
(404
).json
({ error: 'Device not connected' }
);
}
try {
await client.writeRegister
(parseInt
(address
), parseInt
(value
));
res.json
({ success: true }
);
} catch
(err
) {
res.status
(500
).json
({ error: err.message }
);
}
}
);
module.exports = router;
```
### 3. 实时数据监控组件
```vue
<template>
<div class="monitor-container">
<div class="data-grid">
<div v-for="
(item, index
) in dataPoints" :key="index" class="data-item">
<div class="data-label">{{ item.name }}</div>
<div class="data-value">{{ item.value }} {{ item.unit }}</div>
<el-progress
:percen
tage="calculatePercen
tage
(item.value, item.min, item.max
)"
:color="getColor
(item.value, item.min, item.max
)"
></el-progress>
</div>
</div>
<div class="charts">
<div ref="realTimeChart" style="width: 100%; height: 300px;"></div>
</div>
</div>
</template>
<script setup>
import { ref, onMounted, onBeforeUnmount } from 'vue';
import * as echarts from 'echarts';
const props = defineProps
({
deviceId: String,
points: Array
}
);
const dataPoints = ref
(props.points.map
(point =>
({
...point,
value: 0,
history: []
}
)));
const realTimeChart = ref
(null
);
let chartInstance = null;
let ws = null;
// 初始化WebSocket连接
const initWebSocket =
() => {
ws = new WebSocket
(`ws://${
location.host}/api/realtime/${props.deviceId}`
);
ws.onmessage =
(event
) => {
const data = JSON.parse
(event.data
);
updateDataPoints
(data
);
updateChart
();
};
ws.onerror =
(error
) => {
console.error
('WebSocket error:', error
);
};
};
// 更新数据点
const updateDataPoints =
(newData
) => {
dataPoints.value = dataPoints.value.map
(point => {
if
(newData[point.address] !== undefined
) {
const newValue = newData[point.address];
return {
...point,
value: newValue,
history: [...point.history.slice
(-59
), newValue] // 保留最近60个点
};
}
return point;
}
);
};
// 初始化图表
const initChart =
() => {
if
(!realTimeChart.value
) return;
chartInstance = echarts.init
(realTimeChart.value
);
const option = {
tooltip: { trigger: 'axis' },
legend: { data: dataPoints.value.map
(p => p.name
) },
xAxis: { type: 'category', data: Array
(60
).fill
(''
).map
((_, i
) => i
) },
yAxis: { type: 'value' },
series: dataPoints.value.map
(point =>
({
name: point.name,
type: 'line',
data: point.history,
smooth: true
}
))
};
chartInstance.setOption
(option
);
};
// 更新图表
const updateChart =
() => {
if
(!chartInstance
) return;
const option = {
series: dataPoints.value.map
((point, index
) =>
({
data: point.history
}
))
};
chartInstance.setOption
(option
);
};
// 计算百分比
const calculatePercen
tage =
(value, min, max
) => {
return Math.round
(((value - min
) /
(max - min
)) * 100
);
};
// 获取进度条颜色
const getColor =
(value, min, max
) => {
const percent =
(value - min
) /
(max - min
);
if
(percent > 0.8
) return '#f56c6c'; // 红色表示过高
if
(percent < 0.2
) return '#e6a23c'; // 黄色表示过低
return '#67c23a'; // 绿色表示正常
};
onMounted
(() => {
initWebSocket
();
initChart
();
}
);
onBeforeUnmount
(() => {
if
(ws
) ws.close
();
if
(chartInstance
) chartInstance.dispose
();
}
);
</script>
```
### 4. 组态编辑器核心功能
```vue
<template>
<div class="editor-container">
<div class="toolbar">
<el-button-group>
<el-button @click="addElement
('rectangle'
)">矩形</el-button>
<el-button @click="addElement
('circle'
)">圆形</el-button>
<el-button @click="addElement
('text'
)">文本</el-button>
<el-button @click="addElement
('indicator'
)">指示灯</el-button>
<el-button @click="addElement
('gauge'
)">仪表盘</el-button>
</el-button-group>
</div>
<div class="canvas-container" @mousedown="handleCanvasMouseDown">
<div
class="element"
v-for="
(element, index
) in elements"
:key="index"
:style="getElementStyle
(element
)"
@mousedown.stop="selectElement
(index, $event
)"
>
<component
:is="getElementComponent
(element.type
)"
:element="element"
:data="getElementData
(element
)"
/>
</div>
</div>
<div class="property-panel" v-if="selectedElementIndex !== null">
<h3>元素属性</h3>
<el-
form :model="selectedElement">
<el-
form-item label="名称">
<el-input v-model="selectedElement.name"></el-input>
</el-
form-item>
<el-
form-item label="X位置">
<el-input-number v-model="selectedElement.x"></el-input-number>
</el-
form-item>
<el-
form-item label="Y位置">
<el-input-number v-model="selectedElement.y"></el-input-number>
</el-
form-item>
<el-
form-item label="宽度">
<el-input-number v-model="selectedElement.width"></el-input-number>
</el-
form-item>
<el-
form-item label="高度">
<el-input-number v-model="selectedElement.height"></el-input-number>
</el-
form-item>
<template v-if="selectedElement.type === 'indicator'">
<el-
form-item label="数据点">
<el-select v-model="selectedElement.dataPoint">
<el-option
v-for="point in availableDataPoints"
:key="point.id"
:label="point.name"
:value="point.id"
></el-option>
</el-select>
</el-
form-item>
<el-
form-item label="开启值">
<el-input-number v-model="selectedElement.onValue"></el-input-number>
</el-
form-item>
</template>
</el-
form>
</div>
</div>
</template>
<script setup>
import { ref, computed, watch } from 'vue';
import RectangleElement from './elements/RectangleElement.vue';
import CircleElement from './elements/CircleElement.vue';
import TextElement from './elements/TextElement.vue';
import IndicatorElement from './elements/IndicatorElement.vue';
import GaugeElement from './elements/GaugeElement.vue';
// 元素类型到组件的映射
const elementComponents = {
rectangle: RectangleElement,
circle: CircleElement,
text: TextElement,
indicator: IndicatorElement,
gauge: GaugeElement
};
// 画布元素
const elements = ref
([]
);
const selectedElementIndex = ref
(null
);
// 计算选中的元素
const selectedElement = computed
({
get:
() => selectedElementIndex.value !== null
? elements.value[selectedElementIndex.value]
: null,
set:
(value
) => {
if
(selectedElementIndex.value !== null
) {
elements.value[selectedElementIndex.value] = value;
}
}
}
);
// 添加新元素
const addElement =
(type
) => {
const newElement = {
id: Date.now
(),
type,
name: `新${getElementName
(type
)}`,
x: 100,
y: 100,
width: type === 'text' ? 80 : 100,
height: type === 'text' ? 40 : 100,
dataPoint: null,
onValue: 1
};
elements.value.push
(newElement
);
selectedElementIndex.value = elements.value.length - 1;
};
// 获取元素样式
const getElementStyle =
(element
) =>
({
position: 'absolute',
left: `${element.x}px`,
top: `${element.y}px`,
width: `${element.width}px`,
height: `${element.height}px`,
cursor: 'move',
zIndex: selectedElementIndex.value === elements.value.index
Of(element
) ? 100 : 1
}
);
// 获取元素对应的组件
const getElementComponent =
(type
) => {
return elementComponents[type] || 'div';
};
// 处理画布鼠标按下事件
const handleCanvasMouseDown =
() => {
selectedElementIndex.value = null;
};
// 选择元素
const selectElement =
(index, event
) => {
selectedElementIndex.value = index;
startDrag
(event
);
};
// 拖动元素
let isDragging = false;
let dragStartX = 0;
let dragStartY = 0;
let elementStartX = 0;
let elementStartY = 0;
const startDrag =
(event
) => {
isDragging = true;
dragStartX = event.clientX;
dragStartY = event.clientY;
elementStartX = selectedElement.value.x;
elementStartY = selectedElement.value.y;
document.addEventListener
('mousemove', handleDrag
);
document.addEventListener
('mouseup', stopDrag
);
};
const handleDrag =
(event
) => {
if
(!isDragging || selectedElementIndex.value === null
) return;
const deltaX = event.clientX - dragStartX;
const deltaY = event.clientY - dragStartY;
elements.value[selectedElementIndex.value] = {
...selectedElement.value,
x: elementStartX + deltaX,
y: elementStartY + deltaY
};
};
const stopDrag =
() => {
isDragging = false;
document.removeEventListener
('mousemove', handleDrag
);
document.removeEventListener
('mouseup', stopDrag
);
};
// 辅助函数
const getElementName =
(type
) => {
const names = {
rectangle: '矩形',
circle: '圆形',
text: '文本',
indicator: '指示灯',
gauge: '仪表盘'
};
return names[type] || '元素';
};
</script>
```
## 关键技术实现
### Modbus TCP 通信优化
1. **连接池管理**
```javascript
class ModbusConnectionPool {
constructor
() {
this.pool = new Map
();
this.maxConnections = 10;
}
async getConnection
(deviceConfig
) {
const key = `${deviceConfig.ip}:${deviceConfig.port}`;
if
(this.pool.has
(key
)) {
return this.pool.get
(key
);
}
if
(this.pool.size >= this.maxConnections
) {
throw new Error
('连接池已满'
);
}
const client = new Modbus
();
await client.connectTCP
(deviceConfig.ip, { port: deviceConfig.port }
);
client.setID
(deviceConfig.slaveId
);
this.pool.set
(key, client
);
return client;
}
releaseConnection
(deviceConfig
) {
const key = `${deviceConfig.ip}:${deviceConfig.port}`;
if
(this.pool.has
(key
)) {
const client = this.pool.get
(key
);
client.close
(() => {
this.pool.delete
(key
);
}
);
}
}
}
```
2. **批量读取优化**
```javascript
async function readMultipleRegisters
(deviceId, registerGroups
) {
const client = await connectionPool.getConnection
(deviceId
);
const results = {};
// 使用Promise.all并行读取
await Promise.all
(registerGroups.map
(async group => {
try {
const data = await client.readHoldingRegisters
(
group.startAddress,
group.length
);
// 将读取结果映射到数据点
group.points.forEach
((point, index
) => {
results[point.id] = data.data[index];
}
);
} catch
(error
) {
console.error
(`读取寄存器组失败: ${group.startAddress}-${group.endAddress}`, error
);
}
}
));
return results;
}
```
### 实时数据推送优化
1. **数据压缩算法**
```javascript
function compressData
(data
) {
// 简单示例：使用JSON.stringify + gzip压缩
const jsonString = JSON.stringify
(data
);
const encoder = new TextEncoder
();
const dataUint8 = encoder.encode
(jsonString
);
// 使用pako库进行gzip压缩
const compressed = pako.gzip
(dataUint8
);
return compressed;
}
// WebSocket发送
function sendCompressedData
(ws, data
) {
const compressed = compressData
(data
);
ws.send
(compressed
);
}
```
2. **数据变化检测**
```javascript
class DataChangeDetector {
constructor
(threshold = 0.01
) {
this.previousValues = new Map
();
this.threshold = threshold;
}
hasChanged
(pointId, newValue
) {
if
(!this.previousValues.has
(pointId
)) {
this.previousValues.set
(pointId, newValue
);
return true;
}
const prevValue = this.previousValues.get
(pointId
);
const delta = Math.abs
(newValue - prevValue
);
const changeRatio = delta /
(Math.abs
(prevValue
) || 1
);
if
(changeRatio > this.threshold
) {
this.previousValues.set
(pointId, newValue
);
return true;
}
return false;
}
}
```
## 性能优化策略
1. **前端渲染优化**
```javascript
// 使用虚拟滚动处理大量数据点
<VirtualScroll :items="dataPoints" :item-height="50">
<template #default="{ item }">
<DataPointItem :point="item" />
</template>
</VirtualScroll>
// 使用Web Worker处理复杂计算
const worker = new Worker
('./dataProcessor.js'
);
worker.postMessage
({ points: dataPoints }
);
worker.onmessage =
(event
) => {
processedData.value = event.data;
};
```
2. **后端数据缓存**
```javascript
// 使用Redis缓存常用查询
app.get
('/api/device/:id/status', async
(req, res
) => {
const { id } = req.params;
const cacheKey = `device_status_${id}`;
try {
// 尝试从缓存获取
const cachedData = await redisClient.get
(cacheKey
);
if
(cachedData
) {
return res.json
(JSON.parse
(cachedData
));
}
// 从数据库获取
const status = await fetchDeviceStatus
(id
);
// 设置缓存，有效期5秒
await redisClient.set
(cacheKey, JSON.stringify
(status
), 'EX', 5
);
res.json
(status
);
} catch
(error
) {
res.status
(500
).json
({ error: error.message }
);
}
}
);
```
## 安全设计
1. **设备连接认证**
```javascript
// 设备连接时进行认证
router.post
('/connect', async
(req, res
) => {
const { id, ip, port, slaveId, authToken } = req.body;
// 验证认证令牌
const isValid = await verifyDeviceAuthToken
(id, authToken
);
if
(!isValid
) {
return res.status
(401
).json
({ error: '
Invalid authentication token' }
);
}
// 连接设备...
}
);
```
2. **数据加密传输**
```javascript
// 使用TLS加密Modbus TCP连接
const client = new Modbus
();
await client.connectTCP
(ip, {
port,
tls: {
key: fs.readFileSync
('client-key.pem'
),
cert: fs.readFileSync
('client-cert.pem'
),
ca: [fs.readFileSync
('ca-cert.pem'
)],
rejectUnauthorized: true
}
}
);
```
## 部署架构
```
+---------------------+
| Load Balancer |
+----------+----------+
|
+----------------+----------------+
| |
+--------+--------+ +---------+---------+
| Web Server 1 | | Web Server 2 |
|
(Node.js + Vue
) | |
(Node.js + Vue
) |
+--------+---------+ +---------+---------+
| |
+--------+--------+ +---------+---------+
| Redis Cache | | Redis Cache |
+--------+--------+ +---------+---------+
| |
+--------+--------------------------------+--------+
| MySQL Cluster |
+----------------------------+---------------------+
|
+-------------+-------------+
| TDengine Cluster |
+---------------------------+
```
## 相关问题
1. **如何实现Modbus RTU协议的支持？**
> 可通过在后端添加串行通信模块（如使用 `serialport` 库）实现，前端配置界面增加串口参数设置[^2]。
2. **如何处理大规模设备连接？**
> 建议采用分布式架构，使用消息队列（如RabbitMQ）解耦设备连接和数据处理[^1]。
3. **如何保证数据采集的实时性？**
> 通过优先级队列和实时操作系统（如Linux RT内核）优化，关键数据使用独立高优先级通道[^1]。
4. **如何实现历史数据的高效存储和查询？**
> 使用时序数据库（如TDengine）的分区存储和压缩算法，结合时间窗口聚合查询[^1]。
5. **如何支持多种工业协议？**
> 设计可插拔协议适配器架构，通过配置文件定义协议解析规则[^2]。
[^1]: 平台技术栈参考
[^2]: Modbus协议支持
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