Optical fiber module for electrical test
The fiber optic module, with its mechanical structure design, utilizes the rising and falling motion of the upper needle plate to insert and remove the fiber optic tube, solving the problems of high material costs and complex structures in existing technologies, and achieving the effects of simplified operation and reduced maintenance costs.
Patent Information
- Application Number
- CN202422679068.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-04
AI Technical Summary
Existing fiber optic modules have high material costs, complex structures, and are difficult to maintain in circuit board testing, requiring cylinders and control circuits to achieve the lateral movement of the fiber optic tube.
The mechanical structure design allows the upper needle plate to extend or retract the optical fiber tube through rising and falling movements, simplifying the control process. The movement of the optical fiber tube is achieved using guide components and guide wheels, eliminating the need for cylinders and control circuits.
It reduces material costs, simplifies operation procedures, improves the maintainability and upgradeability of the module, and enables the lateral movement of the fiber optic tube through a mechanical structure.
Smart Images
Figure CN223526541U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ICT electric measurement technical field especially relates to a fiber module for electrical property test. BACKGROUND
[0002] ITC test is the static test of circuit board, and each electronic component of the circuit board needs to be tested before the circuit board is shipped, wherein the circuit board with LED lamp needs to test the LED lamp on the circuit board to confirm that it can work normally. When electric measurement is carried out, the optical fiber tube needs to be inserted into the inside of the part to complete the test and transmission of the light guide signal of the LED lamp.
[0003] The light guide signal test needs to be realized by horizontal movement of the optical fiber module. In order to realize the horizontal movement of the optical fiber tube, the existing optical fiber module needs a cylinder as a power output source, and a control circuit needs to be designed separately to control the cylinder. Therefore, the cylinder, the solenoid valve, the air pipe, the air pipe joint and other components of the circuit, the selection and procurement of a series of materials, the time and production cost are increased, the cost of purchasing materials and later maintenance is high, the cylinder needs to use the air pipe, the air pipe joint and the solenoid valve, the layout of the air pipe and the placement position of the air pipe joint and the solenoid valve in the jig need to be considered reasonably, so as to avoid the air pipe being squeezed by other parts in the jig, the air pipe joint and the solenoid valve interfering with other parts, the material cost of the whole optical fiber module is high and the module structure is complex, which is not conducive to the later maintenance and module improvement and upgrading. SUMMARY
[0004] The utility model wants to overcome the prior art's insufficient, provides a kind of fiber module for electrical property test, in test, the optical fiber tube is inserted or taken away by the rising, the down pressure action of upper die, simplify control and operation process, save material cost.
[0005] The technical scheme of the utility model is as follows: a kind of fiber module for electrical property test, including upper needle plate, lower needle plate, guide component, carrier plate and test optical fiber component, the upper needle plate is correspondingly set above the lower needle plate by the guide component, the carrier plate is arranged between the upper needle plate and the lower needle plate, the test optical fiber component is slidably arranged at the bottom of the upper needle plate, the test optical fiber component includes guide block, guide wheel, mounting seat and optical fiber tube, the guide block is fixedly connected on the carrier plate, the optical fiber tube is horizontally arranged on the mounting seat, the guide wheel is connected at the bottom of the mounting seat, the guide wheel is matched with the guide inclined plane, one end of the tension spring is connected at the bottom of the upper needle plate, and the other end is connected with the mounting seat.
[0006] From the above scheme can be known, the upper needle plate moves up and down above the lower needle plate through the guide assembly, the lower pressure of the upper needle plate is used to drive the guide wheel on the mounting seat to move down, the guide slope is matched with the guide wheel for driving the guide wheel to move along the guide slope of the guide block, so that the mounting seat realizes vertical movement while realizing horizontal feeding, drives the optical fiber tube to be brought in or away, thereby realizing the electrical test of the LED, the tension spring is used to drive the mounting seat to reset when the upper needle plate rises. The utility model discloses the rising, the lowering action of upper needle plate, drives the optical fiber tube to be brought in or away, and the light emitted by LED lamp pearl is directly collected by test probe and is transmitted out through optical fiber to test, and the utility model relies on mechanical mechanism to solve the optical fiber optical transverse movement problem that the last generation optical fiber module can realize only by relying on power source, simplifies control and operation process, and saves material cost.
[0007] The mounting seat is fixedly connected with a sliding block, and the upper needle plate is fixed with a guide rail at the bottom, and the sliding block is slidably connected on the guide rail. It can be seen that the mounting seat moves on the guide rail through the sliding block, so that the mounting seat drives the optical fiber tube to be straightly guided when moving horizontally.
[0008] The optical fiber tube is connected to the mounting seat through a fixing block, and a through hole matched with the optical fiber tube is arranged on the fixing block. It can be seen that the through hole on the fixing block is used for limiting the installation of the optical fiber tube.
[0009] A plurality of compression springs are arranged between the lower needle plate and the carrier plate, and a limiting groove matched with the compression spring is arranged on the lower needle plate. It can be seen that the limiting groove is used for limiting the bottom of the compression spring.
[0010] An LED shell is arranged on the carrier plate, and a slot matched with the optical fiber tube is arranged on the LED shell of the carrier plate, and the slot is correspondingly arranged with the through hole. It can be seen that the LED shell is used for covering the LED lamp to reduce external light interference.
[0011] Limiting blocks are oppositely arranged on both sides of the LED shell of the carrier plate, and a sliding slope is arranged on the limiting block and inclined from outside to inside. It can be seen that the limiting block is used for limiting the circuit board, and the sliding slope is convenient for the installation of the circuit board. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is a structural schematic diagram of the utility model;
[0013] Fig. 2 It is a partial structural schematic diagram of the utility model;
[0014] Fig. 3is a structural schematic diagram of testing an optical fiber assembly;
[0015] Fig. 4 An exploded view of testing an optical fiber assembly. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.
[0017] As Figs. 1 to 4 shown, the utility model discloses a kind of optical fiber modules for electrical testing, including upper needle plate 1, lower needle plate 2, guide assembly, carrier plate 3 and test optical fiber assembly, the upper needle plate 1 is correspondingly set in the upper of lower needle plate 2 by the guide assembly, the carrier plate 3 is set between the upper needle plate 1 and the lower needle plate 2, the test optical fiber assembly is slidably arranged at the bottom of the upper needle plate 1, the test optical fiber assembly includes guide block 4, guide wheel 5, mounting seat 6 and optical fiber tube 7, the guide block 4 is fixedly connected on the carrier plate 3, the optical fiber tube 7 is horizontally arranged on the mounting seat 6, the guide wheel 5 is connected at the bottom of the mounting seat 6, the guide wheel 5 is adapted with the guide inclined surface 41, one end of the tension spring 10 is connected at the bottom of the upper needle plate 1, and the other end is connected with the mounting seat 6.
[0018] In the embodiment, the carrier plate 3 is fixedly connected above the lower needle plate 2 by mounting pin 30, the guide wheel 5 is fixedly connected at the bottom of the mounting seat 6 by guide wheel fixing block, the tension spring 10 is fixed at the bottom of the upper needle plate 1 by tension spring fixing block, the optical fiber tube 7 is arranged in parallel with two, and the optical fiber tube 7 is connected with probe to facilitate light guide test.
[0019] The guide assembly includes guide column 13, the guide column 13 is arranged at the four corners of the lower needle plate 2, and the upper needle plate 1 is adapted with the guide column 13 through guide limiting hole 11.
[0020] The mounting seat 6 is fixedly connected with sliding block 8, the upper needle plate 1 bottom is fixed with guide rail 9, and the sliding block 8 is slidably connected on the guide rail 9.In the embodiment, the mounting seat 6 is connected with the sliding block 8 through mounting groove.
[0021] The optical fiber tube 7 is connected on the mounting seat 6 through fixing block 71, and the fixing block is provided with through hole 72 adapted with the optical fiber tube 7.
[0022] A plurality of compression springs 12 are arranged between the lower needle plate 2 and the carrier plate 3, and the lower needle plate 2 is provided with limiting groove 21 adapted with the compression spring 12.
[0023] The LED shell 14 is arranged on the carrier plate 3, and the slot adapted to the optical fiber tube 7 is arranged on the LED shell 14 and corresponds to the through hole 72.
[0024] The limiting block 15 is arranged on the two sides of the LED shell 14, and the sliding inclined surface 151 is arranged on the limiting block 15 and is inclined from outside to inside.
[0025] The working process of the utility model is as follows: when the needle plate 1 is pressed down along the guide column 13 to approach the carrier plate 3, the guide wheel 5 slides along the guide inclined surface 41 on the guide block 4, the mounting seat 6 moves transversely on the guide rail 9 through the sliding block 8 to make the optical fiber tube 7 deeply enter the LED shell 14 to realize the export of the photoelectric signal, at this time, the tension spring is in the elongation state; when the needle plate 1 is lifted along the guide column 13 to move away from the carrier plate 3, the mounting seat 6 is reset under the drive of the tension spring 10, the test optical fiber assembly is lifted and reset, and finally, the optical fiber tube 7 is taken away. The whole action process is realized only by relying on the mechanical structure. The test optical fiber assembly realizes the horizontal movement of the optical fiber tube 7, which is completed synchronously with the pressing down of the needle plate 1, and can be automatically reset with the lifting of the needle plate 1. The mechanical structure of the whole module is simple and reliable. It does not rely on a separate control circuit, simplifies the control and operation process, and has low material cost and convenient maintenance in the later period.
[0026] Finally, it needs to be emphasized that the above description is not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be contained in the protection scope of the utility model.
Claims
1. An optical fiber module for electrical testing, comprising an upper needle plate (1), a lower needle plate (2), a guide assembly, a carrier plate (3) and a test optical fiber assembly, the upper needle plate (1) is arranged above the lower needle plate (2) through the guide assembly, the carrier plate (3) is arranged between the upper needle plate (1) and the lower needle plate (2), characterized in that: The test optical fiber assembly is slidably arranged at the bottom of the upper needle plate (1), the test optical fiber assembly comprises a guide block (4), a guide wheel (5), a mounting seat (6), an optical fiber tube (7) and a tension spring (10), the guide block (4) is fixedly connected to the carrier plate (3), the optical fiber tube (7) is horizontally arranged on the mounting seat (6), the guide wheel (5) is connected to the bottom of the mounting seat (6), the guide wheel (5) is matched with the guide inclined surface (41), one end of the tension spring (10) is connected to the bottom of the upper needle plate (1), and the other end is connected to the mounting seat (6).
2. The optical fiber module for electrical testing according to claim 1, wherein: The guide assembly comprises guide columns (13), the guide columns (13) are arranged at four corners of the lower needle plate (2), and the upper needle plate (1) is matched with the guide columns (13) through guide limiting holes (11).
3. The optical fiber module for electrical testing of claim 1, wherein: The mounting seat (6) is fixedly connected with a sliding block (8), the bottom of the upper needle plate (1) is fixedly connected with a guide rail (9), and the sliding block (8) is slidably connected to the guide rail (9).
4. The optical fiber module for electrical testing according to claim 1, characterized in that: The optical fiber tube (7) is connected to the mounting seat (6) through a fixing block (71), and the fixing block (71) is provided with a through hole (72) matched with the optical fiber tube (7).
5. The optical fiber module for electrical testing according to claim 1, characterized in that: A plurality of compression springs (12) are arranged between the lower needle plate (2) and the carrier plate (3), and the lower needle plate (2) is provided with limiting grooves (21) matched with the compression springs (12).
6. The optical fiber module for electrical testing of claim 4, wherein: The carrier plate (3) is provided with an LED shell (14), the LED shell (14) is provided with a slot matched with the optical fiber tube (7), and the slot is correspondingly arranged with the through hole (72).
7. The optical fiber module of claim 6, wherein: The carrier plate (3) is provided with limiting blocks (15) on both sides of the LED shell (14), the limiting blocks (15) are provided with sliding inclined surfaces (151), and the sliding inclined surfaces (151) are inclined from outside to inside.