A test shielding box for a point reading pen circuit board

Abstract

The utility model discloses a kind of test shielding boxes of point reading pen circuit board, the cooperation setting of box, support seat, circuit board mounting fixture assembly, circuit board mounting fixture assembly drive assembly, circuit board mounting fixture assembly includes drive unit, fixture upper plate and fixture lower plate, circuit board mounting fixture assembly drive assembly can drive fixture upper plate moves along vertical direction, if circuit board has multiple same test points on the same straight line in vertical direction, then only need to prepare a set of probe, it can be completed to the test of multiple same test points on the same straight line in vertical direction of fruit circuit board, effectively reduce the use number of probe, save test cost.

Description

Technical Field

[0001] This utility model relates to the technical field of reading pen testing, specifically a testing shielding box for a reading pen circuit board. Background Technology

[0002] In the reading pen industry, the test shielding box (also known as the electromagnetic shielding box or radio frequency test box) is a key piece of equipment in the research and development, production and quality inspection process. Its main function is to ensure the accuracy and reliability of test results by shielding external electromagnetic interference.

[0003] As the core component of a reading pen, the circuit board needs to undergo electrical performance testing before leaving the factory. However, current test fixtures in shielded test boxes are usually unable to move vertically. During testing, the circuit board is typically fixed inside the test fixture, and then probes are used to test the test points on the circuit board. The number of probes required corresponds to the number of test points, otherwise it is impossible to complete the testing of all points, increasing the testing cost. Utility Model Content

[0004] Therefore, it is necessary to provide a test shielding box for a reading pen circuit board. This solves the problem mentioned in the background art, where the inability of existing test shielding boxes to move vertically increases the cost of the probes.

[0005] A test shielding box for a reading pen circuit board includes a box body, a support base, a circuit board mounting fixture assembly, and a circuit board mounting fixture assembly drive assembly.

[0006] The support base is installed inside the housing. The circuit board mounting fixture assembly drive assembly includes a first cylinder, a slide rail, a slider, and a mounting plate. The slide rail is installed on one side of the support base. The slider is slidably disposed on the slide rail. The mounting plate is installed on the slider. The first cylinder is vertically disposed on the housing and one end is fixedly connected to the mounting plate, which is used to drive the mounting plate to move in the vertical direction.

[0007] The circuit board mounting fixture assembly includes a drive unit, a fixture upper plate, and a fixture lower plate. The drive unit is mounted on the mounting plate and moves synchronously with the movement of the mounting plate. The fixture lower plate is mounted on the side of the support base away from the slide rail. The fixture upper plate is mounted on the drive unit and has several probes.

[0008] In one embodiment, there are two drive units symmetrically arranged on the mounting plate, used to drive the upper clamp plate to move closer to or further away from the lower clamp plate in the X-axis direction.

[0009] In one embodiment, the drive unit is a cylinder.

[0010] In one embodiment, the lower plate of the fixture has at least one circuit board mounting slot for mounting the circuit board to be tested.

[0011] In one embodiment, the upper plate of the fixture has an upper plate mounting frame, which is fixedly or detachably connected to the drive unit for mounting the upper plate of the fixture.

[0012] In one embodiment, the circuit board mounting slot has a circuit board sensor for sensing whether there is a circuit board on the circuit board mounting slot.

[0013] In one embodiment, the housing has a movable panel for opening to insert or remove the circuit board during testing, and the movable panel has a latch.

[0014] In one embodiment, handles are symmetrically arranged on both sides of the box.

[0015] The aforementioned test shielding box for the reading pen circuit board is configured with the cooperation of a box body, a support base, a circuit board mounting fixture assembly, and a circuit board mounting fixture assembly drive assembly. The circuit board mounting fixture assembly includes a drive unit, an upper fixture plate, and a lower fixture plate. The circuit board mounting fixture assembly drive assembly can drive the upper fixture plate to move vertically. If the circuit board has multiple identical test points on the same straight line in the vertical direction, only one set of probes is needed to complete the test of multiple identical test points on the same straight line in the vertical direction, effectively reducing the number of probes used and saving test costs. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the test shielding box for the reading pen circuit board according to an embodiment of the present invention;

[0017] Figure 2 for Figure 1 A schematic diagram of the internal structure of the test shielding box for the reading pen circuit board according to an embodiment of this utility model;

[0018] Figure 3 This is a schematic diagram of the circuit board mounting fixture assembly of the test shielding box for the reading pen circuit board according to an embodiment of the present invention.

[0019] Figure 4 This is a schematic diagram of the circuit board mounting fixture assembly and drive assembly of the test shielding box for the reading pen circuit board according to an embodiment of the present invention. Detailed Implementation

[0020] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0021] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediary component present. Conversely, when a component is said to be "directly" connected to another component, there is no intermediary component.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0023] like Figure 1 and Figure 2 As shown, a test shielding box for a reading pen circuit board includes a box body 1, a support base 2, a circuit board mounting fixture assembly 3, and a circuit board mounting fixture assembly drive assembly 4.

[0024] like Figure 4 As shown, the support base 2 is installed inside the housing 1. The circuit board mounting fixture drive assembly 4 includes a first cylinder 41, a slide rail 42, a slider 43, and a mounting plate 44. The slide rail 42 is installed on one side of the support base 2, the slider 43 is slidably disposed on the slide rail 42, and the mounting plate 44 is installed on the slider 43. The first cylinder 41 is vertically disposed on the housing 1 and one end is fixedly connected to the mounting plate 44, for driving the mounting plate 44 to move in the vertical direction.

[0025] like Figure 3 As shown, the circuit board mounting fixture assembly 3 includes a drive unit 31, a fixture upper plate 32, and a fixture lower plate 33. The drive unit 31 is mounted on the mounting plate 44 and moves synchronously with the movement of the mounting plate 44. The fixture lower plate 33 is mounted on the side of the support base 2 away from the slide rail 42. The fixture upper plate 32 is mounted on the drive unit 31 and has a plurality of probes 321.

[0026] Two drive units 31 are symmetrically arranged on the mounting plate 44, used to drive the upper clamp plate 32 to move closer to or away from the lower clamp plate 33 in the X-axis direction. The drive unit 31 is a cylinder.

[0027] The lower plate 33 of the fixture has at least one circuit board mounting slot 331 for mounting the circuit board 5 to be tested.

[0028] The fixture upper plate 32 has an upper plate mounting frame 322, which is fixedly or detachably connected to the drive unit 31 and is used to mount the fixture upper plate 32. Several probes 321 are electrically connected to external testing equipment.

[0029] When testing a circuit board, the circuit board to be tested is fixed in the circuit board mounting slot 331, so that the test points on the circuit board correspond to the probes 321 in the X-axis direction. The drive unit 31 is activated, causing the upper clamping plate 32 to move towards the lower clamping plate 33, bringing the test points on the circuit board into contact with the probes 321 to test the electrical performance of the test points. After the test is completed, the drive unit 31 moves the upper clamping plate 32 away from the lower clamping plate 33, separating the test points on the circuit board from the probes 321. When testing the same test points in the vertical direction, according to the position of the test points, the first cylinder 41 drives the mounting plate 44 to move vertically downwards along the slide rail 42 via the slider 43. This causes the mounting plate 44 to drive the drive unit 31 and the upper clamping plate 32 on the drive unit 31 to move vertically until the test points on the circuit board to be tested correspond to the probes 321 in the X-axis direction. The drive unit 31 drives the upper plate 32 of the fixture to move towards the lower plate 33 of the fixture, so that the test points on the circuit board come into contact with a number of probes 321 to test the electrical performance of the test points on the circuit board.

[0030] In this way, the test shielding box for the reading pen circuit board is set up by the cooperation of the box body 1, the support base 2, the circuit board mounting fixture assembly 3, and the circuit board mounting fixture assembly drive assembly 4. The circuit board mounting fixture assembly 3 includes a drive unit 31, a fixture upper plate 32, and a fixture lower plate 33. The circuit board mounting fixture assembly drive assembly 4 can drive the fixture upper plate 32 to move vertically. If the circuit board has multiple identical test points on the same straight line in the vertical direction, then only one set of probes 321 is needed to complete the test of multiple identical test points on the same straight line in the vertical direction of the circuit board 5, which effectively reduces the number of probes used and saves test costs.

[0031] In one embodiment, the circuit board mounting slot 331 has a circuit board sensor 6 for sensing whether there is a circuit board 5 on the circuit board mounting slot 331.

[0032] Thus, when circuit board 5 is installed on circuit board mounting slot 331, circuit board sensor 6 detects the presence of circuit board 5 and sends a control signal to control module. Control module can then drive circuit board mounting fixture assembly 3 and circuit board mounting fixture assembly drive assembly 4 to test circuit board 5.

[0033] In one embodiment, the housing 1 has a movable panel 11 for opening the movable panel 11 to insert or remove the circuit board 5 when the circuit board 5 is being tested, and the movable panel 11 has a latch 7.

[0034] Thus, when the circuit board 5 needs to be tested, the latch 7 is opened, the movable panel 11 is opened, the circuit board 5 is placed into the circuit board mounting slot 331, and the latch 7 locks the movable panel 11 onto the housing 1. After the circuit board 5 has been tested, the latch 7 is opened, the movable panel 11 is opened, and the circuit board 5 is taken out from the circuit board mounting slot 331.

[0035] In one embodiment, handles 8 are symmetrically arranged on both sides of the housing 1.

[0036] In this way, the test shielding box can be easily moved by the handle 8.

[0037] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A test shielding box for a reading pen circuit board, characterized in that: Includes housing, support base, circuit board mounting fixture assembly, and circuit board mounting fixture assembly drive assembly; The support base is installed inside the housing. The circuit board mounting fixture assembly drive assembly includes a first cylinder, a slide rail, a slider, and a mounting plate. The slide rail is installed on one side of the support base. The slider is slidably disposed on the slide rail. The mounting plate is installed on the slider. The first cylinder is vertically disposed on the housing and one end is fixedly connected to the mounting plate, which is used to drive the mounting plate to move in the vertical direction. The circuit board mounting fixture assembly includes a drive unit, a fixture upper plate, and a fixture lower plate. The drive unit is mounted on the mounting plate and moves synchronously with the movement of the mounting plate. The fixture lower plate is mounted on the side of the support base away from the slide rail. The fixture upper plate is mounted on the drive unit and has several probes.

2. The test shielding box for a reading pen circuit board according to claim 1, characterized in that: There are two drive units, symmetrically arranged on the mounting plate, used to drive the upper plate of the clamp to move closer to or further away from the lower plate of the clamp in the X-axis direction.

3. The test shielding box for a reading pen circuit board according to claim 2, characterized in that: The drive unit is a cylinder.

4. The test shielding box for a reading pen circuit board according to claim 1, characterized in that: The lower plate of the fixture has at least one circuit board mounting slot for mounting the circuit board to be tested.

5. The test shielding box for a reading pen circuit board according to claim 1, characterized in that: The upper plate of the fixture has an upper plate mounting frame, which is fixedly or detachably connected to the drive unit for mounting the upper plate of the fixture.

6. The test shielding box for a reading pen circuit board according to claim 4, characterized in that: The circuit board mounting slot is equipped with a circuit board sensor for sensing whether there is a circuit board on the circuit board mounting slot.

7. The test shielding box for a reading pen circuit board according to claim 1, characterized in that: The housing has a movable panel for inserting or removing the circuit board during testing. The movable panel has a latch.

8. The test shielding box for a reading pen circuit board according to claim 1, characterized in that: The box is symmetrically equipped with handles on both sides.

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