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CN-224203337-U - Metal film conductivity detection device of film capacitor after chemical plating

CN224203337UCN 224203337 UCN224203337 UCN 224203337UCN-224203337-U

Abstract

The utility model relates to the technical field of film capacitor detection, in particular to a metal film conductivity detection device of a film capacitor after chemical plating, which comprises a supporting seat, an upper bracket and a lower bracket vertically hinged in the supporting seat in a relative mode, a plurality of upper shells arranged on the upper bracket in parallel, and upper probes inserted into the bottoms of the upper shells, wherein elastic suspension parts are arranged between the top ends of the upper probes and the top inside the upper shells. According to the utility model, through the mutual matching of the upper probe and the lower probe which are vertically and oppositely arranged, the elastic suspension piece, the guide rod, the pressure spring and other structures corresponding to the upper probe and the lower probe, when all the upper shells are in the same height and all the lower shells are in the same height, enough displacement space is reserved between the upper probe and the lower probe during detection, and the upper probe and the lower probe are always in stable contact with a metal film, so that the stability of conductive detection is improved, and the problem that the detection precision is affected due to poor contact is avoided.

Inventors

  • GONG WU
  • YUAN PENGHUI
  • Zhao Dieming
  • LV JINGJING
  • QI JIXIAN

Assignees

  • 芜湖赛宝信息产业技术研究院有限公司

Dates

Publication Date
20260505
Application Date
20250519

Claims (8)

  1. 1. The utility model provides a film capacitor metal film conductivity detection device after electroless plating, includes supporting seat (1) and vertical upper bracket (3) and lower carriage (6) of articulating relatively in supporting seat (1), its characterized in that, conductivity detection device still includes: The upper probes (8) are inserted into the bottoms of the upper shells (4), and elastic suspension pieces (9) are arranged between the top ends of the upper probes (8) and the top inside the upper shells (4); The device comprises a plurality of lower shells (7) arranged on a lower bracket (6) in parallel and lower probes (10) inserted at the tops of the lower shells (7), wherein elastic supporting pieces (11) are arranged between the bottoms of the lower probes (10) and the bottoms of the interiors of the lower shells (7), and when a metal film horizontally passes through between an upper probe (8) and the lower probe (10), the upper probes and the lower probes are respectively pushed by the elastic force of an elastic suspension piece (9) and the elastic supporting pieces (11) to be stably abutted on the metal film; And a driving part (5) for driving the upper bracket (3) and the lower bracket (6) to reversely deflect.
  2. 2. The device for detecting the conductivity of the metal film of the chemical plated film capacitor according to claim 1, wherein the elastic suspension piece (9) comprises a vertical rod (91) fixed at the top end of the upper probe (8) and a sleeve rod (92) sleeved at the top end of the outer portion of the vertical rod (91) in a sliding manner, the top end of the sleeve rod (92) is fixedly arranged at the top inside the upper shell (4), a tension spring (93) is arranged inside the sleeve rod (92), and two ends of the tension spring (93) are respectively fixedly arranged at the top of the vertical rod (91) and the top inside the sleeve rod (92).
  3. 3. The device for detecting the conductivity of the metal film of the film capacitor after electroless plating according to claim 1, wherein the elastic supporting piece (11) comprises a guide rod (111) fixed at the bottom of the lower probe (10) and a sleeve (112) sleeved at the outer bottom end of the guide rod (111) in a sliding manner, the bottom of the sleeve (112) is fixedly arranged at the bottom inside the lower shell (7), a compression spring (113) is sleeved at the outer part of the guide rod (111), and two ends of the compression spring (113) respectively abut against the top of the sleeve (112) and the bottom end of the lower probe (10).
  4. 4. The device for detecting the conductivity of the metal thin film of the electroless plated thin film capacitor according to claim 1, wherein the bottom end of the upper probe (8) and the top end of the lower probe (10) are pointed ends, and the pointed end of the upper probe (8) corresponds to the pointed end of the lower probe (10).
  5. 5. The apparatus according to claim 4, wherein the bottom ends of the upper probes (8) and the top ends of the lower probes (10) respectively abut on the top and bottom of the metal film and are perpendicular to the surface of the metal film when detecting.
  6. 6. The device for detecting the conductivity of the metal film of the film capacitor after chemical plating according to claim 1, wherein the driving part (5) comprises two vertical grooves (51) which are vertically arranged on one vertical surface of the supporting seat (1) relatively and a sliding block (52) which is slidingly arranged inside the vertical grooves (51), one ends, close to the sliding block (52), of the upper bracket (3) and the lower bracket (6) are fixedly provided with transverse supporting arms (57), one end of the sliding block (52) is slidingly connected with a transverse sliding groove (56) which is arranged on one vertical surface of the transverse supporting arms (57), a diagonal brace (53) is hinged to the remaining end of the sliding block (52), a connecting block (54) is hinged between the free ends of the two diagonal braces (53), and a telescopic cylinder (55) which is used for transversely pushing the connecting block (54) to move is fixedly arranged on one vertical surface of the supporting seat (1).
  7. 7. The post-electroless thin film capacitor metal film conductivity detection apparatus according to claim 6, wherein the telescopic cylinder (55) is located between two vertical grooves (51), and an axis of the telescopic cylinder (55) is perpendicular to the vertical grooves (51).
  8. 8. The device for detecting the conductivity of the metal film of the electroless plated film capacitor according to claim 1, further comprising four conveying rollers (2) arranged in the supporting seat (1), wherein the four conveying rollers (2) are distributed in an upper layer and a lower layer, the metal film vertically bypasses from the outside of two adjacent conveying rollers (2) from bottom to top, horizontally passes through between the upper probe (8) and the lower probe (10) and winds to the outside of the rest one conveying roller (2), and finally bypasses from the outside of the last conveying roller (2) downward.

Description

Metal film conductivity detection device of film capacitor after chemical plating Technical Field The utility model relates to the technical field of thin film capacitor detection, in particular to a device for detecting the conductivity of a metal thin film of a thin film capacitor after chemical plating. Background The metal film of the film capacitor is made by plating a metal layer on the surface of the insulating film in an electroless plating mode. In order to detect the uniformity of the metal coating on the metal film, after chemical plating, a resistance probe is used for conducting detection on the metal coating on the surface of the metal film, resistance change is recorded in real time, and the corrosion imaging detector is used for dynamically analyzing the conductivity attenuation trend so as to realize the detection of the flatness and roughness of the metal coating on the surface of the metal film. The present patent application number 202420133882.8 discloses a conductive metal film sheet resistance detection device, and the device drives a sheet resistance detector to approach or separate from a traction roller through a control driving element, so that a probe and a conductive metal film are contacted to read resistance data, sheet resistance detection on the top surface and the bottom surface of the conductive metal film can be realized, and the detection efficiency is improved. In the prior art, as the flatness of the surface of the metal film is different, when the corresponding probes are respectively driven by the driving elements to contact with the metal film, the problem of poor contact of one probe is easy to occur, and the detection precision is affected. Disclosure of utility model In view of the above, an object of the present utility model is to provide a thin film conductivity detection device for a thin film capacitor after electroless plating, which solves the problem that a poor contact of a certain probe is likely to occur and the detection accuracy is affected when a plurality of driving elements drive corresponding probes to contact with a metal film respectively. Based on the above object, the utility model provides a device for detecting the conductivity of a metal film of a film capacitor after electroless plating, which comprises a supporting seat, an upper bracket and a lower bracket vertically hinged in the supporting seat, and the device for detecting the conductivity further comprises: The upper probes are inserted into the bottoms of the upper shells, and elastic suspension pieces are arranged between the top ends of the upper probes and the top inside the upper shells. The lower shell is arranged on the lower support in parallel, the lower probes are inserted at the top of the lower shell, an elastic supporting piece is arranged between the bottom of the lower probes and the bottom of the inside of the lower shell, and when the metal film horizontally passes through the space between the upper probes and the lower probes, the upper probes and the lower probes are respectively pushed by the elastic suspension piece and the elastic supporting piece to stably abut against the metal film. And the driving part is used for driving the upper bracket and the lower bracket to reversely deflect. Preferably, the elastic suspension piece comprises a vertical rod fixed at the top end of the upper probe and a loop bar sleeved at the top end of the outer portion of the vertical rod in a sliding manner, the top end of the loop bar is fixedly arranged at the top inside the upper shell, a tension spring is arranged inside the loop bar, and two ends of the tension spring are respectively fixedly arranged at the top of the vertical rod and the top inside the loop bar. Preferably, the elastic support piece comprises a guide rod fixed at the bottom of the lower probe and a sleeve sleeved at the bottom of the outer portion of the guide rod in a sliding manner, the bottom of the sleeve is fixedly arranged at the bottom of the inner portion of the lower shell, a pressure spring is sleeved outside the guide rod, and two ends of the pressure spring respectively abut against the top of the sleeve and the bottom end of the lower probe. Preferably, the bottom end of the upper probe and the top end of the lower probe are pointed ends, and the pointed ends of the upper probe correspond to the pointed ends of the lower probe. Preferably, the bottom ends of the upper and lower probes respectively collide against the top and bottom of the metal thin film and are perpendicular to the surface of the metal thin film when detecting. Preferably, the drive part comprises two vertical grooves which are vertically arranged on one vertical surface of the supporting seat relatively and a sliding block which is arranged in the vertical grooves in a sliding manner, one ends, close to the sliding block, of the upper support and the lower support are fixedly provided with transverse supporting arms, one end