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CN-224216108-U - Hall element testing device

CN224216108UCN 224216108 UCN224216108 UCN 224216108UCN-224216108-U

Abstract

The utility model relates to the technical field of Hall element testing, in particular to a Hall element testing device, which comprises a supporting mechanism, wherein one side of the supporting mechanism is movably provided with a mounting base body, the upper part of the mounting base body is fixedly clamped with a magnetic field generating mechanism, the vertical fixing part and the horizontal pressing part are integrally formed, the inside of the horizontal pressing part is slidably connected with an electromagnet, the outside of the horizontal pressing part is provided with a fine adjustment assembly, the end part of the fine adjustment assembly is abutted against one side of the electromagnet, the lower end part of the electromagnet is provided with an auxiliary fixing assembly, the Hall element is tightly pressed and fixed through the gravity of the magnetic field generating mechanism at the upper part, and the magnetic field is generated by electrifying the electromagnet to cooperate with a testing sorting machine to test Hall elements.

Inventors

  • MA DONGHUI

Assignees

  • 马东辉

Dates

Publication Date
20260508
Application Date
20250627

Claims (8)

  1. 1. The Hall element testing device is characterized by comprising a supporting mechanism (1), wherein one side of the supporting mechanism (1) is movably provided with an installation base body (2), and a magnetic field generating mechanism (3) is fixedly clamped at the upper part of the installation base body (2); the Hall element clamp to be tested is fastened between the supporting mechanism (1) and the magnetic field generating mechanism (3), the magnetic field generating mechanism (3) comprises a vertical fixing part (301) positioned at the lower part and a horizontal pressing part (302) positioned at the upper part, the vertical fixing part (301) and the horizontal pressing part (302) are integrally formed, an electromagnet (303) is slidably connected in the horizontal pressing part (302), a fine adjusting component (30) is arranged outside the horizontal pressing part (302), the end part of the fine adjusting component (30) is abutted against one side of the electromagnet (303), and an auxiliary fixing component (31) is arranged at the lower end part of the electromagnet (303).
  2. 2. The Hall element testing device according to claim 1, wherein the supporting mechanism (1) comprises a supporting base (101), a vertical fixing plate (102) is integrally formed at the upper end of the supporting base (101), two groups of threaded fixing holes (103) are symmetrically formed in the vertical fixing plate (102), and an element supporting table (104) is integrally formed at the top of the vertical fixing plate (102).
  3. 3. The Hall element testing device according to claim 2, wherein the mounting base body (2) is of an L-shaped structure, two groups of symmetrically arranged position adjustment through grooves (201) are formed in the vertical portion of the mounting base body (2), and the supporting mechanism (1) and the mounting base body (2) are fixedly mounted through the position adjustment through grooves (201) penetrated by bolts and are in threaded connection with the threaded fixing holes (103).
  4. 4. The Hall element testing device according to claim 1, wherein three groups of clamping holes (202) are formed in the upper surface of one end of the horizontal portion of the mounting base body (2), clamping columns (304) are integrally formed at the lower end of the vertical fixing portion (301) of the magnetic field generating mechanism (3) correspondingly, and the mounting base body (2) and the magnetic field generating mechanism (3) are clamped and fixed through matching of the clamping holes (202) and the clamping columns (304).
  5. 5. The Hall element testing device according to claim 1, wherein a cover plate (305) is arranged above the horizontal pressing portion (302), a positioning hole (306) is formed in the upper end of the horizontal pressing portion (302), a positioning column (307) is formed at the lower end of the cover plate (305) in a corresponding integrated manner, and the horizontal pressing portion (302) and the cover plate (305) are clamped and fixed through the matching of the positioning hole (306) and the positioning column (307).
  6. 6. The Hall element testing device according to claim 5, wherein a positioning groove (308) is formed in the horizontal pressing portion (302), the electromagnet (303) is placed in the positioning groove (308), and a wire passing groove (309) and a wire passing groove (310) are formed in the electromagnet (303) and the cover plate (305) respectively.
  7. 7. The Hall element testing device according to claim 6, wherein the fine tuning assembly (30) comprises an integrally formed fine tuning knob (311), a threaded adjusting rod (312) and an adjusting copper column (313), a bearing (318) is embedded in the positioning groove (308), the middle part of the threaded adjusting rod (312) is fixedly inserted into an inner ring of the bearing (318), the end part of the threaded adjusting rod (312) is in threaded fit connection with the adjusting copper column (313), and one end of the adjusting copper column (313) is fixedly connected with the electromagnet (303).
  8. 8. The Hall element testing device according to claim 1, wherein the auxiliary fixing component (31) comprises an auxiliary fixing seat (314) which is slidably connected to the lower portion of the horizontal pressing portion (302), limiting strips (315) are integrally formed on two sides of the auxiliary fixing seat (314), five groups of extension springs (316) are adhered to the lower portion of the horizontal pressing portion (302), one end of each extension spring (316) is adhered to and fixed to the lower side portion of the auxiliary fixing seat (314), and a fixing groove (317) is formed in the upper end of each auxiliary fixing seat (314).

Description

Hall element testing device Technical Field The utility model relates to the technical field of Hall element testing, in particular to a Hall element testing device. Background The Hall element is a magnetic sensor based on the Hall effect, can detect a magnetic field and the change thereof, can be used in various occasions related to the magnetic field, and converts measured current, magnetic field, displacement, angle, rotating speed, pressure and the like into electric signals for output; The existing testing device tests the Hall element by utilizing the coil electromagnetic induction principle to generate a magnetic field for testing Hall (magnetic induction) electronic devices, but the device is large in size and not easy to install on different testing sorting machines, large-action modification is needed for different testing sorting machines, the device is troublesome and high in cost, the existing testing device cannot be modified in a large scale in a short time, fine adjustment in hardware cannot be carried out on testing parameters after installation, and the sorting machines are limited in available space and inconvenient to install. Disclosure of utility model In order to make up for the deficiency of the prior art, without modifying any existing component of the machine, besides the given current (generating magnetic field) can be set by software, the error among a plurality of stations caused by the assembly position can be corrected by the fine tuning component of the product. The technical scheme adopted for solving the technical problems is that the Hall element testing device comprises a supporting mechanism, wherein one side of the supporting mechanism is movably provided with a mounting base body, and the upper part of the mounting base body is fixedly clamped with a magnetic field generating mechanism; The Hall element clamp to be tested is fastened between the supporting mechanism and the magnetic field generating mechanism, the magnetic field generating mechanism comprises a vertical fixing part positioned at the lower part and a horizontal pressing part positioned at the upper part, the vertical fixing part and the horizontal pressing part are integrally formed, an electromagnet is connected to the inside of the horizontal pressing part in a sliding manner, a fine tuning assembly is arranged outside the horizontal pressing part, the end part of the fine tuning assembly is abutted against one side of the electromagnet, and an auxiliary fixing assembly is arranged at the lower end part of the electromagnet. Preferably, the supporting mechanism comprises a supporting base, a vertical fixing plate is integrally formed at the upper end of the supporting base, two groups of threaded fixing holes are symmetrically formed in the vertical fixing plate, and an element supporting table is integrally formed at the top of the vertical fixing plate. Preferably, the mounting base body is of an L-shaped structure, two groups of symmetrically arranged position adjustment through grooves are formed in the vertical portion of the mounting base body, and the supporting mechanism and the mounting base body are fixedly mounted through bolts penetrating through the position adjustment through grooves and in threaded connection with the threaded fixing holes. Preferably, the upper surface of one end of the horizontal part of the installation base body is provided with three groups of clamping holes, the lower end of the vertical fixing part of the magnetic field generating mechanism is correspondingly and integrally provided with a clamping column, and the installation base body and the magnetic field generating mechanism are fixed through the matching clamping of the clamping column Kong Heka. Preferably, a cover plate is arranged above the horizontal pressing part, a positioning hole is formed in the upper end of the horizontal pressing part, a positioning column is formed in the lower end of the cover plate in a corresponding integrated manner, and the horizontal pressing part and the cover plate are fixed through the positioning hole and the positioning column in a matched clamping manner. Preferably, a positioning groove is formed in the horizontal pressing part, the electromagnet is placed in the positioning groove, and the electromagnet and the cover plate are respectively provided with a wire passing groove and a wire passing through groove. Preferably, the fine tuning assembly comprises an integrally formed fine tuning knob, a threaded adjusting rod and an adjusting copper column, a bearing is embedded in the positioning groove, the middle part of the threaded adjusting rod is fixedly inserted into the inner ring of the bearing, the end part of the threaded adjusting rod is in threaded fit connection with the adjusting copper column, and one end of the adjusting copper column is fixedly connected with the electromagnet. Preferably, the auxiliary fixing assembly comprises an auxiliary fixing seat