homelab-brain/infra/grafana/garage_decke.json
Homelab Cursor c03850e465 fix garage_decke: Grafana-Math refIds A/B im Verlauf
KD_A/KD_B hießen anders als $A/$B in Expressions → No Data im Chart.
2026-06-27 11:51:22 +02:00

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{
"uid": "garage_decke",
"title": "Garage Decke",
"tags": [
"garage",
"temperatur",
"decke",
"shelly"
],
"timezone": "browser",
"schemaVersion": 39,
"version": 5,
"refresh": "30s",
"panels": [
{
"id": 1,
"type": "stat",
"title": "RL Klimadecke",
"gridPos": {
"h": 4,
"w": 4,
"x": 0,
"y": 0
},
"datasource": {
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"uid": "ffptl25vzylfke"
},
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"decimals": 1,
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"uid": "ffptl25vzylfke"
},
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"rawQuery": true,
"hide": true
},
{
"refId": "B",
"datasource": {
"type": "influxdb",
"uid": "ffptl25vzylfke"
},
"query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_kaeltedecke' AND $timeFilter",
"rawQuery": true,
"hide": true
},
{
"refId": "RL",
"datasource": {
"type": "__expr__",
"uid": "__expr__",
"name": "Expression"
},
"type": "math",
"expression": "($A + $B - ${kd_flussrichtung} * ($A - $B)) / 2",
"hide": false
},
{
"refId": "VL",
"datasource": {
"type": "__expr__",
"uid": "__expr__",
"name": "Expression"
},
"type": "math",
"expression": "($A + $B + ${kd_flussrichtung} * ($A - $B)) / 2",
"hide": true
}
],
"description": "Rücklauf Kältedecke (wärmer). Bei umgekehrter Flussrichtung wird der passende Rohr-Fühler per Schalter zugeordnet — Influx-Tags bleiben fix."
},
{
"id": 2,
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"title": "PWT-Oberfläche",
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"rawQuery": true
}
]
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"id": 3,
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"title": "VL Kältedecke",
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"hide": true
},
{
"refId": "B",
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"type": "influxdb",
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},
"query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_kaeltedecke' AND $timeFilter",
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"hide": true
},
{
"refId": "RL",
"datasource": {
"type": "__expr__",
"uid": "__expr__",
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},
"type": "math",
"expression": "($A + $B - ${kd_flussrichtung} * ($A - $B)) / 2",
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},
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"expression": "($A + $B + ${kd_flussrichtung} * ($A - $B)) / 2",
"hide": false
}
],
"description": "Vorlauf Kältedecke (kälter). Zuordnung über KD Flussrichtung oben."
},
{
"id": 4,
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"rawQuery": true
}
]
},
{
"id": 5,
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"title": "RL Brunnen (nach PWT)",
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"rawQuery": true
}
]
},
{
"id": 6,
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"title": "Garage Decke - Verlauf",
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"id": "displayName",
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}
]
},
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"id": "byFrameRefID",
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"id": "displayName",
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}
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"uid": "ffptl25vzylfke"
},
"query": "SELECT mean(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='rl_klimadecke' AND $timeFilter GROUP BY time($__interval)",
"rawQuery": true,
"hide": true
},
{
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"uid": "ffptl25vzylfke"
},
"query": "SELECT mean(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_kaeltedecke' AND $timeFilter GROUP BY time($__interval)",
"rawQuery": true,
"hide": true
},
{
"refId": "RL_KD",
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"type": "__expr__",
"uid": "__expr__",
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},
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"expression": "($A + $B - ${kd_flussrichtung} * ($A - $B)) / 2",
"hide": false
},
{
"refId": "VL_KD",
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"type": "__expr__",
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"name": "Expression"
},
"type": "math",
"expression": "($A + $B + ${kd_flussrichtung} * ($A - $B)) / 2",
"hide": false
},
{
"refId": "pwt",
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},
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"rawQuery": true
},
{
"refId": "vl_brunnen",
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"type": "influxdb",
"uid": "ffptl25vzylfke"
},
"query": "SELECT mean(\"value\") AS \"VL Brunnen (vor PWT)\" FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_brunnen' AND $timeFilter GROUP BY time($__interval)",
"rawQuery": true
},
{
"refId": "rl_brunnen",
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"uid": "ffptl25vzylfke"
},
"query": "SELECT mean(\"value\") AS \"RL Brunnen (nach PWT)\" FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='rl_brunnen' AND $timeFilter GROUP BY time($__interval)",
"rawQuery": true
}
]
},
{
"id": 7,
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"title": "ΔT Kältedecke",
"description": "Wärmeaufnahme Kältedecke = Rücklauf Vorlauf (hydraulisch, unabhängig vom Flussrichtungs-Schalter).",
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{
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}
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},
"orientation": "auto",
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"justifyMode": "auto"
},
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"uid": "ffptl25vzylfke"
},
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"rawQuery": true,
"hide": true
},
{
"refId": "B",
"datasource": {
"type": "influxdb",
"uid": "ffptl25vzylfke"
},
"query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_kaeltedecke' AND $timeFilter",
"rawQuery": true,
"hide": true
},
{
"refId": "RL",
"datasource": {
"type": "__expr__",
"uid": "__expr__",
"name": "Expression"
},
"type": "math",
"expression": "($A + $B - ${kd_flussrichtung} * ($A - $B)) / 2",
"hide": true
},
{
"refId": "VL",
"datasource": {
"type": "__expr__",
"uid": "__expr__",
"name": "Expression"
},
"type": "math",
"expression": "($A + $B + ${kd_flussrichtung} * ($A - $B)) / 2",
"hide": true
},
{
"refId": "DT",
"datasource": {
"type": "__expr__",
"uid": "__expr__",
"name": "Expression"
},
"type": "math",
"expression": "$RL - $VL",
"hide": false
}
]
},
{
"id": 8,
"type": "stat",
"title": "ΔT Brunnen (RL VL)",
"description": "Temperaturhub Brunnenkreis am PWT: rl_brunnen minus vl_brunnen (nach Umbau Tauchhülse aussagekräftig).",
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"w": 6,
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"query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='rl_brunnen' AND $timeFilter",
"rawQuery": true,
"hide": true
},
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"refId": "VL",
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},
"query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_brunnen' AND $timeFilter",
"rawQuery": true,
"hide": true
},
{
"refId": "DT",
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"uid": "__expr__",
"name": "Expression"
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"type": "math",
"expression": "$RL - $VL",
"hide": false
}
]
},
{
"id": 9,
"type": "stat",
"title": "Leistung Brunnen",
"description": "Q ≈ Durchfluss [l/min] × ΔT [K] × 0,0698 → kW. Durchfluss oben einstellbar (typ. 34,5 l/min).",
"gridPos": {
"h": 4,
"w": 6,
"x": 12,
"y": 4
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{
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},
{
"refId": "VL",
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"query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_brunnen' AND $timeFilter",
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"hide": true
},
{
"refId": "DT",
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{
"refId": "Q",
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"type": "__expr__",
"uid": "__expr__",
"name": "Expression"
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"type": "math",
"expression": "${brunnen_durchfluss} * $DT * 0.0698",
"hide": false
}
]
},
{
"id": 10,
"type": "stat",
"title": "PWT ΔT (RL Brunnen Oberfläche)",
"description": "Plausibilitätscheck: Differenz Brunnen-RL zu PWT-Oberfläche. Großer Wert = Fühler/Position noch prüfen.",
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"hide": true
},
{
"refId": "PWT",
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"query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='pwt' AND $timeFilter",
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"hide": true
},
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]
},
{
"id": 11,
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},
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},
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"matcher": {
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"matcher": {
"id": "byFrameRefID",
"options": "Q_BW"
},
"properties": [
{
"id": "displayName",
"value": "Leistung Brunnen"
},
{
"id": "unit",
"value": "kwatt"
},
{
"id": "custom.axisPlacement",
"value": "right"
},
{
"id": "color",
"value": {
"mode": "fixed",
"fixedColor": "purple"
}
}
]
}
]
},
"options": {
"legend": {
"displayMode": "table",
"placement": "bottom",
"calcs": [
"last",
"mean",
"max",
"min"
]
},
"tooltip": {
"mode": "multi",
"sort": "none"
}
},
"targets": [
{
"refId": "A",
"datasource": {
"type": "influxdb",
"uid": "ffptl25vzylfke"
},
"query": "SELECT mean(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='rl_klimadecke' AND $timeFilter GROUP BY time($__interval)",
"rawQuery": true,
"hide": true
},
{
"refId": "B",
"datasource": {
"type": "influxdb",
"uid": "ffptl25vzylfke"
},
"query": "SELECT mean(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_kaeltedecke' AND $timeFilter GROUP BY time($__interval)",
"rawQuery": true,
"hide": true
},
{
"refId": "RL_KD",
"datasource": {
"type": "__expr__",
"uid": "__expr__",
"name": "Expression"
},
"type": "math",
"expression": "($A + $B - ${kd_flussrichtung} * ($A - $B)) / 2",
"hide": true
},
{
"refId": "VL_KD",
"datasource": {
"type": "__expr__",
"uid": "__expr__",
"name": "Expression"
},
"type": "math",
"expression": "($A + $B + ${kd_flussrichtung} * ($A - $B)) / 2",
"hide": true
},
{
"refId": "DT_KD",
"datasource": {
"type": "__expr__",
"uid": "__expr__",
"name": "Expression"
},
"type": "math",
"expression": "$RL_KD - $VL_KD",
"hide": false
},
{
"refId": "RL_BW",
"datasource": {
"type": "influxdb",
"uid": "ffptl25vzylfke"
},
"query": "SELECT mean(\"value\") AS \"RL Brunnen\" FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='rl_brunnen' AND $timeFilter GROUP BY time($__interval)",
"rawQuery": true,
"hide": true
},
{
"refId": "VL_BW",
"datasource": {
"type": "influxdb",
"uid": "ffptl25vzylfke"
},
"query": "SELECT mean(\"value\") AS \"VL Brunnen\" FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_brunnen' AND $timeFilter GROUP BY time($__interval)",
"rawQuery": true,
"hide": true
},
{
"refId": "DT_BW",
"datasource": {
"type": "__expr__",
"uid": "__expr__",
"name": "Expression"
},
"type": "math",
"expression": "$RL_BW - $VL_BW",
"hide": false
},
{
"refId": "Q_BW",
"datasource": {
"type": "__expr__",
"uid": "__expr__",
"name": "Expression"
},
"type": "math",
"expression": "${brunnen_durchfluss} * $DT_BW * 0.0698",
"hide": false
}
]
}
],
"time": {
"from": "now-6h",
"to": "now"
},
"templating": {
"list": [
{
"current": {
"selected": true,
"text": "Umgekehrt (Fühler getauscht)",
"value": "-1"
},
"description": "Flussrichtung Kältedecke: tauscht hydraulische VL/RL-Zuordnung der fest montierten Fühler (rl_klimadecke, vl_kaeltedecke). Normal = Standard; Umgekehrt = 2. Pumpe / Entlüftung.",
"hide": 0,
"includeAll": false,
"label": "KD Flussrichtung",
"multi": false,
"name": "kd_flussrichtung",
"options": [
{
"selected": false,
"text": "Normal (Fühler = VL/RL)",
"value": "1"
},
{
"selected": true,
"text": "Umgekehrt (Fühler getauscht)",
"value": "-1"
}
],
"query": "1,-1",
"skipUrlSync": false,
"type": "custom"
},
{
"current": {
"selected": true,
"text": "3.75",
"value": "3.75"
},
"description": "Brunnen-Volumenstrom in l/min (geschätzt/gemessen, typ. 34,5)",
"hide": 0,
"includeAll": false,
"label": "Brunnen l/min",
"multi": false,
"name": "brunnen_durchfluss",
"options": [
{
"selected": false,
"text": "3",
"value": "3"
},
{
"selected": false,
"text": "3.25",
"value": "3.25"
},
{
"selected": false,
"text": "3.5",
"value": "3.5"
},
{
"selected": true,
"text": "3.75",
"value": "3.75"
},
{
"selected": false,
"text": "4",
"value": "4"
},
{
"selected": false,
"text": "4.25",
"value": "4.25"
},
{
"selected": false,
"text": "4.5",
"value": "4.5"
}
],
"query": "3,3.25,3.5,3.75,4,4.25,4.5",
"skipUrlSync": false,
"type": "custom"
}
]
}
}