CN212433332U

CN212433332U - Hall plate test fixture

Info

Publication number: CN212433332U
Application number: CN202020900873.9U
Authority: CN
Inventors: 王然然
Original assignee: Suzhou Langshirun Electronic Co ltd
Current assignee: Suzhou Langshirun Electronic Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-01-29
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a hall plate test fixture, be in including frame, setting be used for placing the testboard of the hall plate that awaits measuring on the frame, set up along upper and lower direction going up and down on the frame and be located the elevating platform of testboard top, order about the lifter of elevating platform oscilaltion to and can set up along left and right directions swing on the frame and be located the magnet scanning rod of testboard top, be provided with a plurality of test probes on the elevating platform, test probe with the position one-to-one of the last test point of treating of hall plate. Only need adjust the height of elevating platform and make the test probe meet with the examination point of awaiting measuring on the hall board that awaits measuring during the test, dial magnet scanning pole and observe the test result pilot lamp afterwards by hand, alright with observe the test result, its simple structure, convenient operation, small easily transport, when testing to large batch hall board, efficiency is improved by a wide margin, has also reduced test work's intensity of labour simultaneously.

Description

Hall plate test fixture

Technical Field

The utility model relates to a PCB board test fixture especially relates to a tool to hall plate test.

Background

The in-process is made to current PCB board, need carry out functional test to the PCB board that the assembly was accomplished, in order to guarantee the normal operating of PCB board function, and the manual test of artifical still is adopted to present PCB board test mode mostly, specifically place the PCB board on the tool, the staff is taking the tie point that the test probe aimed at the PCB board, then switch on the PCB board with test equipment, utilize test equipment to test, this kind of mode need when the test counterpoint with PCB board accuracy, however the volume of PCB board is often very little, the counterpoint difficulty, and make mistakes easily, waste time and energy very much during the manual test, low efficiency. Especially, for the test of the Hall plate, on the basis of the test of the PCB plate, a tester needs to hold the magnet to pass above the Hall plate, and the response of the test equipment is observed to judge whether the function of the Hall plate is normal or not, so that the test efficiency and the test precision are lower.

Disclosure of Invention

The utility model aims at providing a hall plate test fixture to improve the efficiency and the precision of hall plate test.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a hall board test fixture, includes the frame, still including setting up be used for placing the testboard of the hall board of awaiting measuring on the frame, set up along upper and lower direction with going up and down set up on the frame and be located the elevating platform of testboard top, be used for ordering about the lifter of elevating platform oscilaltion to and can set up along left and right directions swing on the frame and be located the magnet scanning rod of testboard top, be provided with a plurality of test probes on the elevating platform, test probe with the position one-to-one of the test point of awaiting measuring on the hall board.

Preferably, the machine base comprises a horizontal supporting table and a vertical supporting seat vertically arranged at the rear part of the horizontal supporting table, the test table is placed on the horizontal supporting table, and the lifting rod is arranged on the vertical supporting seat.

Furthermore, at least two guide rods are fixedly arranged on the horizontal supporting table, the guide rods vertically extend upwards from the horizontal supporting table, guide holes are formed in the lifting table, and the guide rods correspondingly penetrate through the guide holes in a matched mode.

Furthermore, the end of the magnet scanning rod is rotatably connected to the guide rod, and the magnet scanning rod is located above the lifting table.

In a preferred embodiment, an end of the magnet scanning rod is connected to the elevating table and is provided to be elevated in synchronization with the elevating table.

In a preferred embodiment, there are two guide rods, and there are two magnet scanning rods, and one magnet scanning rod is connected to each guide rod.

Furthermore, a guide seat for providing lifting guide for the lifting rod is fixedly arranged on the vertical support seat, the lifting rod is slidably mounted on the guide seat, the lower part of the lifting rod is fixedly connected to the lifting platform, and a push-pull handle for driving the lifting rod to lift is fixedly arranged on the upper part of the lifting rod.

Furthermore, each test probe is connected with a connecting lead, the horizontal supporting table is provided with a containing cavity for placing test equipment and a working power supply, and the connecting lead penetrates into the containing cavity from the rear of the vertical supporting seat and is connected with the test equipment and the power supply.

Furthermore, a test result indicator lamp is arranged on the horizontal supporting table and connected with the test equipment to indicate a test result.

The other technical proposal adopted by the utility model is that the Hall plate test fixture comprises a machine base, a test bench arranged on the machine base and used for placing a Hall plate to be tested, a lifting platform arranged on the machine base and positioned above the test bench in a lifting way along the up-down direction, and a lifting rod used for driving the lifting platform to lift up and down, and a magnet scanning rod which can be arranged on the machine base in a left-right direction in a swinging manner and is positioned above the test bench, a plurality of test probes are arranged on the lifting platform, the test probes correspond to the positions of the points to be tested on the Hall plate one by one, the machine base is internally provided with a test device, the test probe is connected with the test device through a connecting lead, the base is also provided with a test result indicator light, and the test result indicator light is connected with the test equipment to indicate a test result.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a hall plate test fixture, only need adjust the height of elevating platform and make the test probe meet with the examination point of awaiting measuring on the hall plate that awaits measuring when the test, later the hand dial magnet scanning pole and observe test result pilot lamp, alright in order to observe the test result, its simple structure, convenient operation, the easy transport of small volume when testing to large batch hall plate, efficiency is improved by a wide margin, has also reduced test work's intensity of labour simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure of the testing jig of the present invention;

wherein: 1. a machine base; 11. a horizontal support table; 12. a vertical support base; 2. A test bench; 3. a lifting platform; 31. a guide hole; 4. testing the probe; 5. connecting a lead; 6. a magnet scanning rod; 7. a guide bar; 8. a guide seat; 9. a lifting rod; 91. a push-pull handle; 10. and a test result indicator lamp.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, a hall plate test fixture is used for testing a hall plate to detect whether the hall plate functions normally. The test fixture comprises a base 1, a test board 2 arranged on the base 1 and used for placing a Hall plate to be tested, a lifting platform 3 arranged on the base 1 and located above the test board 2 and used for driving the lifting platform 3 to lift up and down along the vertical direction, a lifting rod 9 used for driving the lifting platform 3 to lift up and down, and a magnet scanning rod 6 which can be arranged on the base 1 and located above the test board 2 in a left-right swinging mode, wherein a plurality of test probes 4 are arranged on the lifting platform 3, and the test probes 4 correspond to the positions of the Hall plate to be tested on the Hall plate to be tested one to one.

Specifically, the machine base 1 comprises a horizontal supporting platform 11 and a vertical supporting seat 12 which is vertically arranged at the rear part of the horizontal supporting platform 11 and vertically extends, the test platform 2 is placed on the horizontal supporting platform 11, and the lifting rod 9 is arranged on the vertical supporting seat 12.

At least two guide rods 7 are fixedly arranged on the horizontal supporting platform 11, the lower ends of the guide rods 7 are fixed on the horizontal supporting platform 11 and vertically extend upwards from the horizontal supporting platform 11, and two guide rods 7 are arranged. The lifting platform 3 is provided with corresponding guide holes 31, and the guide rods 7 are correspondingly and fittingly arranged in the guide holes 31.

A guide seat 8 for providing lifting guide for the lifting rod 9 is fixedly arranged on the vertical support seat 12, the lifting rod 9 is slidably mounted on the guide seat 8, the lower part of the lifting rod 9 is fixedly connected to the lifting platform 3, and a push-pull handle 91 for driving the lifting rod 9 to lift is also fixedly arranged on the upper part of the lifting rod 3. Therefore, when the lifting rod 9 is driven to lift by holding the push-pull handle 91, the lifting platform 3 can be driven to lift, and the lifting platform 3 stably lifts and accurately positions under the guiding action of the guide rod 7.

Two magnet scanning rods 6 are also provided, the ends of the magnet scanning rods 6 are rotatably connected to the guide rods 7, and the magnet scanning rods 6 are located above the elevating platform 3. In this embodiment, the end of the magnet scanning rod 6 is connected to the lifting platform 3, so that the magnet scanning rod 6 can synchronously lift along with the lifting platform 3, and can swing left and right relative to the testing platform 2, thereby swinging above the hall plate to be tested to perform the test.

The test probes 4 are inserted on the lifting platform 3 along the vertical direction, the bottom ends of the test probes are positioned below the lifting platform 3, each test probe 4 is connected with a connecting lead 5, the horizontal supporting platform 11 is provided with a containing cavity for placing test equipment and a working power supply, and the connecting leads 5 penetrate behind the vertical supporting seat 12 and penetrate into the containing cavity to be connected with the test equipment and the working power supply. The horizontal supporting table 11 is further provided with a test result indicating lamp 10, the test result indicating lamp 10 is connected with a test device to indicate a test result, here, the test result indicating lamp 10 is a row of LED lamps arranged in the front of the horizontal supporting table 11, when the test result is normal, the LED lamps are on, otherwise, the LED lamps are not on.

When the Hall plate is tested by using the test fixture, the arrangement of all test probes 4 on the lifting platform 3 is adjusted according to the test point positions on the Hall plate to be tested before testing, so that the positions of all the test probes 4 correspond to the positions of all the test points to be tested one by one. After the preparation is finished, the power supply is turned on to start the test: the lifting platform 3 is lifted up, a Hall plate to be tested is placed on the test platform 2, then the lifting platform 2 is lowered down to enable the bottom end of the test probe 4 to be in contact with the point to be tested, a tester manually stirs the two magnet scanning rods 6 to enable the magnet scanning rods to swing left and right, and meanwhile, the indication condition of the test result indicator lamp 10 is observed. When the test result indicator light 10 is on, the Hall plate to be tested is normal in function.

The utility model discloses a hall plate test fixture, its simple structure, convenient operation, small easy transport has the LED lamp to show the test result on the test fixture, can conveniently show directly perceivedly whether the function of hall plate surveyed is normal, has reduced the time of judgement analysis, when testing to large batch hall plate, efficiency is improved by a wide margin, has also reduced test work's intensity of labour simultaneously.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a hall plate test fixture, includes the frame, its characterized in that: the test bench is characterized by further comprising a test bench arranged on the base and used for placing a Hall plate to be tested, a lifting platform arranged on the base and located above the test bench in a lifting mode along the vertical direction, a lifting rod used for driving the lifting platform to lift up and down, and a magnet scanning rod capable of being arranged on the base in a swinging mode along the left and right directions and located above the test bench, wherein a plurality of test probes are arranged on the lifting platform and correspond to positions of points to be tested on the Hall plate in a one-to-one mode.

2. The Hall plate test fixture of claim 1, wherein: the machine base comprises a horizontal supporting table and a vertical supporting seat vertically arranged at the rear part of the horizontal supporting table, the test table is placed on the horizontal supporting table, and the lifting rod is arranged on the vertical supporting seat.

3. The Hall plate test fixture of claim 2, wherein: the horizontal supporting table is fixedly provided with at least two guide rods, the guide rods vertically extend upwards from the horizontal supporting table, the lifting table is provided with guide holes, and the guide rods correspondingly penetrate through the guide holes in a matched mode.

4. The Hall plate test fixture of claim 3, wherein: the end part of the magnet scanning rod is rotationally connected to the guide rod, and the magnet scanning rod is located above the lifting platform.

5. The Hall plate test fixture of claim 4, wherein: the end part of the magnet scanning rod is connected with the lifting platform and is arranged in a synchronous lifting mode with the lifting platform.

6. The Hall plate test fixture of claim 3, wherein: the number of the guide rods is two, the number of the magnet scanning rods is also two, and each guide rod is connected with one magnet scanning rod.

7. The Hall plate test fixture of claim 2, wherein: the lifting device comprises a lifting platform, a lifting rod, a vertical supporting seat and a lifting rod, wherein the lifting rod is arranged on the lifting platform, the lifting platform is arranged on the lifting platform, the vertical supporting seat is fixedly provided with a guide seat for providing lifting guide for the lifting rod, the lifting rod is slidably arranged on the guide seat, the lower part of the lifting rod is fixedly connected to the lifting platform, and the upper part of the lifting rod is also fixedly provided with a push-pull handle for driving the.

8. The Hall plate test fixture of claim 2, wherein: each test probe is connected with a connecting lead, the horizontal supporting table is provided with a containing cavity for placing test equipment and a working power supply, and the connecting lead penetrates into the containing cavity from the rear of the vertical supporting seat and is connected with the test equipment and the power supply.

9. The Hall plate test fixture of claim 8, wherein: and the horizontal supporting table is also provided with a test result indicating lamp, and the test result indicating lamp is connected with the test equipment to indicate a test result.

10. The utility model provides a hall plate test fixture, includes the frame, its characterized in that: the testing platform comprises a base, a testing platform, a lifting rod and a magnet scanning rod, wherein the testing platform is arranged on the base and used for placing a Hall plate to be tested, the lifting platform is arranged on the base in a lifting mode along the vertical direction, the lifting rod is used for driving the lifting platform to ascend and descend, the magnet scanning rod can be arranged on the base in a swinging mode along the left direction and the right direction and is located above the testing platform, a plurality of testing probes are arranged on the lifting platform and correspond to the positions of the points to be tested on the Hall plate one to one, testing equipment is arranged in the base and connected with the testing equipment through connecting wires, a testing result indicating lamp is further arranged on the base, and the testing result indicating lamp is connected with the testing equipment to indicate a testing result.