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CN-224216219-U - Fan blade rotation detection equipment

CN224216219UCN 224216219 UCN224216219 UCN 224216219UCN-224216219-U

Abstract

The utility model relates to the technical field of fan quality inspection equipment, and discloses fan blade rotation detection equipment which comprises a detection mechanism, wherein the detection mechanism comprises an annular seat, a driving mechanism is arranged in the middle of the annular seat, a detection analysis mechanism is arranged at the top end of the annular seat, the driving mechanism comprises a driving motor arranged at the central position in the annular seat, and a fan blade installation mechanism is fixedly connected with a driving end above the driving motor. According to the utility model, a high-precision sensing detection structure design is adopted, an optical fiber sensor with higher sensitivity and resolution is selected to replace a traditional strain gauge sensor, the optical fiber sensor has better sensing capability on tiny strain and displacement change, four optical fiber sensors are simultaneously arranged below a fan blade mounting mechanism of a driving mechanism in an equiangular manner, and a data processing host is matched and arranged to be connected with the four optical fiber sensors through connecting wires, so that the detection precision can be improved.

Inventors

  • YANG LIQIN
  • WANG DONG
  • WANG HANJIE

Assignees

  • 淄博乾通风机有限公司

Dates

Publication Date
20260508
Application Date
20250616

Claims (7)

  1. 1. The fan blade rotation detection device comprises a detection mechanism (2); The detection mechanism (2) comprises an annular seat (21), a driving mechanism is arranged in the middle of the annular seat (21), a detection analysis mechanism is arranged at the top end of the annular seat (21), and four second mounting seats (22) are fixedly connected to the outer side of the bottom end of the annular seat (21) in an equal-angle mode; The bottom ends of the four second mounting seats (22) are provided with damping bases (1); The driving mechanism comprises a driving motor (27) arranged at the central position in the annular seat (21), and a fan blade mounting mechanism is fixedly connected with the driving end above the driving motor (27); The detection analysis mechanism comprises a group of optical fiber sensors (23) fixedly connected to the top end of the annular seat (21), the four optical fiber sensors (23) are arranged in an equiangular mode around the fan blade installation mechanism, a data processing host (24) is fixedly installed on one side of the top end of the annular seat (21), and the data processing host (24) is connected with the four optical fiber sensors (23) through connecting wires (25).
  2. 2. The fan blade rotation detection device according to claim 1, wherein the damping base (1) comprises a base ring (11) arranged right below the annular base (21), and four first mounting bases (12) are fixedly connected to the top end of the base ring (11) in an equal-angle mode.
  3. 3. The fan blade rotation detection apparatus according to claim 2, wherein the first mounting base (12) is rotatably provided with a damper (13), and a fixed end above the damper (13) is rotatably connected with a second mounting base (22) on a corresponding side thereof.
  4. 4. The fan blade rotation detection apparatus according to claim 1, wherein one end of the data processing host (24) is provided with a data interface, a power supply interface and a heat dissipation hole, and four optical fiber sensors (23) are located below the fan blade mounting mechanism.
  5. 5. The fan blade rotation detection device according to claim 1, wherein the bottom end of the annular seat (21) is fixedly connected with a U-shaped frame (26), and a driving motor (27) is fixedly arranged at the top end of the U-shaped frame (26).
  6. 6. The fan blade rotation detecting apparatus according to claim 1, wherein the fan blade mounting mechanism includes a connection seat (28) fixedly connected to the driving end above the driving motor (27).
  7. 7. The fan blade rotation detection device according to claim 6, wherein a connecting frame (29) is fixedly sleeved on the outer side of the connecting seat (28), the connecting frame (29) is a cross, and mounting grooves are formed between the upper side wall and the lower side wall at the four ends.

Description

Fan blade rotation detection equipment Technical Field The utility model relates to the technical field of fan quality inspection equipment, in particular to fan blade rotation detection equipment. Background The fan blade rotation detection is an important link for ensuring the safe and efficient operation of the fan, and the detection content comprises rotation state monitoring, which comprises detecting whether the rotation speed and the rotation direction of the blade are normal or not, and whether the fan blade has the conditions of jamming, swinging or abnormal vibration and the like. The blade that dynamic balance is not good can produce the vibration when high-speed rotation, not only can reduce the life of fan, still probably leads to the noise increase, influences car light cooling system's normal work. The existing fan blade dynamic balance detection equipment has the problems that the detection precision is limited, the precision and the sensitivity of a sensor can influence the accuracy of dynamic balance detection, for example, when detecting a tiny unbalance amount, some low-cost strain gauge type sensors can not accurately sense tiny strain change, and errors exist in detection results. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides fan blade rotation detection equipment, and solves the problems proposed by the background technology. (II) technical scheme In order to achieve the purpose, the fan blade rotation detection device comprises a detection mechanism, wherein the detection mechanism comprises an annular seat, a driving mechanism is arranged in the middle of the annular seat, a detection analysis mechanism is arranged at the top end of the annular seat, the driving mechanism comprises a driving motor arranged at the central position in the annular seat, a fan blade installation mechanism is fixedly connected to a driving end above the driving motor, the detection analysis mechanism comprises a group of optical fiber sensors fixedly connected to the top end of the annular seat, the group of optical fiber sensors are four and are arranged in an equiangular manner around the fan blade installation mechanism, a data processing host is fixedly arranged at one side of the top end of the annular seat, the data processing host is connected with the four optical fiber sensors through a connecting wire, a data interface, a power supply interface and a heat dissipation hole are arranged at one end of the data processing host, and the four optical fiber sensors are positioned below the fan blade installation mechanism. As a still further scheme of the utility model, four second mounting seats are fixedly connected to the outer side of the bottom end of the annular seat in an equiangular manner, shock absorption bases are arranged at the bottom ends of the four second mounting seats, each shock absorption base comprises a base ring arranged right below the annular seat, four first mounting seats are fixedly connected to the top end of each base ring in an equiangular manner, a shock absorber is rotatably arranged in each first mounting seat, and a fixed end head above each shock absorber is rotatably connected with the corresponding second mounting seat on one side of each shock absorber. As a still further scheme of the utility model, the bottom end of the annular seat is fixedly connected with a U-shaped frame, and the top end of the U-shaped frame is fixedly provided with a driving motor. As a still further scheme of the utility model, the fan blade mounting mechanism comprises a connecting seat fixedly connected with the driving end above the driving motor, a connecting frame is fixedly sleeved on the outer side of the connecting seat, the connecting frame is a cross, and mounting grooves are formed between the upper side wall and the lower side wall of the four end heads. Compared with the prior art, the utility model has the beneficial effects that: 1. According to the utility model, by adopting a high-precision sensing detection structure design, an optical fiber sensor with higher sensitivity and resolution is selected to replace a traditional strain gauge type sensor, the optical fiber sensor has better sensing capability on tiny strain and displacement change, four optical fiber sensors are simultaneously arranged below a fan blade mounting mechanism of a driving mechanism in an equiangular manner, and a data processing host is matched and arranged to be connected with the four optical fiber sensors through a connecting wire, so that the detection precision can be improved. 2. According to the utility model, by adding the active vibration damping mechanism, the detection mechanism is arranged above the vibration damping base, the vibration damping base comprises a base ring, four first installation seats are fixedly arranged at the top end of the base ring at equal angles, each first installation seat is