diff --git a/backend/app/services/pl_vehicle_mine_vehicles.py b/backend/app/services/pl_vehicle_mine_vehicles.py
new file mode 100644
index 000000000..c638e6408
--- /dev/null
+++ b/backend/app/services/pl_vehicle_mine_vehicles.py
@@ -0,0 +1,40 @@
+"""当前用户关联驾押人员所挂靠车辆的车牌集合。"""
+from __future__ import annotations
+
+from typing import Optional, Set
+
+from sqlalchemy.orm import Session
+
+from app.models.pl_models import PlVehicle, PlVehiclePersonnel
+from app.services.pl_driver_plan_service import resolve_personnel_for_user
+
+
+def license_plates_for_user_personnel(
+    db: Session, tenant_no: str, user_id: str
+) -> Set[str]:
+    personnel = resolve_personnel_for_user(db, tenant_no=tenant_no, user_id=user_id)
+    if not personnel:
+        return set()
+    rows = (
+        db.query(PlVehicle.license_plate)
+        .join(
+            PlVehiclePersonnel,
+            PlVehiclePersonnel.vehicle_id == PlVehicle.id,
+        )
+        .filter(
+            PlVehiclePersonnel.personnel_id == personnel.id,
+            PlVehiclePersonnel.tenant_no == tenant_no,
+            PlVehiclePersonnel.del_flag == 0,
+            PlVehicle.tenant_no == tenant_no,
+            PlVehicle.del_flag == 0,
+        )
+        .all()
+    )
+    return {str(r[0]).strip() for r in rows if r and r[0] and str(r[0]).strip()}
+
+
+def resolve_personnel_id_for_user(
+    db: Session, tenant_no: str, user_id: str
+) -> Optional[str]:
+    p = resolve_personnel_for_user(db, tenant_no=tenant_no, user_id=user_id)
+    return p.id if p else None
diff --git a/backend/tests/test_pl_vehicle_recharge_mine_vehicles.py b/backend/tests/test_pl_vehicle_recharge_mine_vehicles.py
new file mode 100644
index 000000000..f0222388a
--- /dev/null
+++ b/backend/tests/test_pl_vehicle_recharge_mine_vehicles.py
@@ -0,0 +1,98 @@
+"""mineVehicles：车辆人员归属过滤与写校验。"""
+from __future__ import annotations
+
+from datetime import date, datetime
+from types import SimpleNamespace
+
+import pytest
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from app.models.pl_models import (
+    PlPersonnel,
+    PlVehicle,
+    PlVehiclePersonnel,
+    PlVehicleRechargeApply,
+)
+
+
+def _make_session():
+    engine = create_engine("sqlite://")
+    for table in (
+        PlVehicle.__table__,
+        PlPersonnel.__table__,
+        PlVehiclePersonnel.__table__,
+        PlVehicleRechargeApply.__table__,
+    ):
+        table.create(engine)
+    return sessionmaker(bind=engine)()
+
+
+def _user(uid: str = "u-driver") -> SimpleNamespace:
+    return SimpleNamespace(id=uid, name="司机甲", dept_id="d1", role="driver", tenant_no="t1")
+
+
+def _seed_person_vehicle(db, *, user_id="u-driver", plate="鄂A11111", vehicle_id="veh-a"):
+    db.add(
+        PlVehicle(
+            id=vehicle_id,
+            vehicle_type="self",
+            license_plate=plate,
+            tenant_no="t1",
+            create_dept_id="d1",
+            del_flag=0,
+        )
+    )
+    db.add(
+        PlPersonnel(
+            id="p-1",
+            personnel_name="司机甲",
+            personnel_type="driver",
+            personnel_affiliation="self",
+            status="1",
+            sys_user_id=user_id,
+            tenant_no="t1",
+            create_dept_id="d1",
+            del_flag=0,
+        )
+    )
+    db.add(
+        PlVehiclePersonnel(
+            id="vp-1",
+            vehicle_id=vehicle_id,
+            personnel_id="p-1",
+            role="driver",
+            is_default=1,
+            tenant_no="t1",
+            create_dept_id="d1",
+            del_flag=0,
+        )
+    )
+
+
+def test_license_plates_for_user_personnel():
+    from app.services.pl_vehicle_mine_vehicles import license_plates_for_user_personnel
+
+    db = _make_session()
+    _seed_person_vehicle(db)
+    db.add(
+        PlVehicle(
+            id="veh-b",
+            vehicle_type="self",
+            license_plate="鄂A22222",
+            tenant_no="t1",
+            create_dept_id="d1",
+            del_flag=0,
+        )
+    )
+    db.commit()
+    plates = license_plates_for_user_personnel(db, "t1", "u-driver")
+    assert plates == {"鄂A11111"}
+
+
+def test_license_plates_empty_when_no_personnel():
+    from app.services.pl_vehicle_mine_vehicles import license_plates_for_user_personnel
+
+    db = _make_session()
+    db.commit()
+    assert license_plates_for_user_personnel(db, "t1", "u-nobody") == set()