Test fixture for small-diameter optical fiber power meter
By designing a fine-diameter fiber power meter test fixture, using structures such as rotating shaft, cover plate, positioning hole and semicircular mounting slot, the problem of existing fiber clamps being difficult to accurately clamp 50/110 fibers is solved, and fiber power testing is realized accuracy and stability.
Patent Information
- Application Number
- CN202420454929.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-11
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-03-11
AI Technical Summary
Existing fiber clamps are difficult to accurately clamp 50/110 fibers, resulting in inaccurate fiber position and affecting the accuracy of the test results.
A thin-diameter fiber optic power meter test fixture is designed, including a power meter fixture base, fiber optic fixture and power meter probe. The optical fiber is stably clamped through the design of the rotating shaft and cover plate, and through the positioning hole and positioning pin and semicircular shape. Installing structures such as card slots improves the stability and accuracy of the fixture.
It effectively solves the problem of inaccurate fiber position, improves the accuracy of fiber power testing, and ensures the stability and accuracy of clamping 50/110 fibers.
Smart Images
Figure CN222460844U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of optical fiber clamps, in particular to a thin-diameter optical fiber power meter test clamp. Background Art
[0002] In the field of optical technology, a fixing fixture is required in many scenarios to fix the clamped parts, such as lenses, optical fibers, reflectors and other precision devices. The original power meter fixture uses a fiber clamp to clamp the optical fiber. The original fiber clamp is for clamping 125 / 250 optical fibers, so the V-groove of the fixture is relatively large. When the fixture is used to clamp 50 / 110 optical fibers, there is a problem that the optical fiber cannot be clamped. In addition, the optical fiber is relatively soft and will be affected by various external forces, fixture accuracy and other factors in the fixture, resulting in errors in the test results caused by inaccurate fiber position when clamping 50 / 110 optical fibers. Utility Model Content
[0003] The utility model aims to provide a thin-diameter optical fiber power meter test fixture to solve the problem of inaccurate testing caused by inaccurate optical fiber position when clamping 50 / 110 optical fiber.
[0004] Technical solution: The utility model provides a thin-diameter optical fiber power meter test fixture, including: a power meter fixture base, an optical fiber fixture, and a power meter probe. A rotating shaft is provided on the side of the power meter fixture base, and the power meter fixture cover is movably connected to the rotating shaft; the optical fiber fixture is arranged in the middle above the power meter fixture base, a clamping groove is provided in the middle of the optical fiber fixture, a rotating shaft is provided on the side, and the fixture cover is movably connected to the rotating shaft; the power meter probe is arranged on one side of the power meter fixture base, and the detection position of the power meter probe is directly opposite to the clamping groove in the middle of the optical fiber fixture.
[0005] Furthermore, in the above-mentioned thin-diameter optical fiber power meter test fixture, the power meter probe detection part has an outwardly protruding circular boss.
[0006] Furthermore, in the above-mentioned thin-diameter optical fiber power meter test fixture, the connection side of the power meter fixture base and the power meter probe is set as a semicircular mounting slot, and the power meter fixture cover is set as a semicircular on one side of the power meter probe, which cooperates with the mounting slot of the power meter fixture base to fix the circular boss of the detection part of the power meter probe. The cut optical fiber is clamped in the optical fiber fixture, and the power meter fixture cover cooperates with the power meter fixture base to cover the optical fiber fixture and perform light-proof treatment to prevent affecting the test results.
[0007] Furthermore, in the above-mentioned thin-diameter optical fiber power meter test fixture, the power meter fixture cover and the side of the fixture cover are both provided with a flip-open handle, so that the operator can flip the power meter fixture cover and the fixture cover conveniently.
[0008] Furthermore, in the above-mentioned thin-diameter optical fiber power meter test fixture, two positioning holes are provided on the optical fiber fixture, and positioning pins cooperating with the positioning holes are provided above the base of the power meter fixture to fix the optical fiber fixture and improve the stability of the test fixture.
[0009] Furthermore, in the above-mentioned thin-diameter optical fiber power meter test fixture, a protruding clamping plate is provided below the fixture cover plate, facing the clamping groove portion, to press the optical fiber, improve the stability of the fixture clamping, and improve the accuracy of the test structure.
[0010] Furthermore, in the above-mentioned thin-diameter optical fiber power meter test fixture, a transversely penetrating mounting hole is provided below the power meter fixture base, and a fixing bolt is provided in the mounting hole to fix the power meter fixture base and the power meter probe.
[0011] It can be seen from the above technical scheme that the utility model has the following beneficial effects: the thin-diameter optical fiber power meter test fixture described in the utility model has a simple structure, is easy to operate, can clamp 50 / 110 optical fibers, improves the stability of the clamping, avoids the influence of external forces and external factors on the accuracy of the clamp, and causes the problem of inaccurate clamping position of the optical fiber, thereby improving the accuracy of the optical fiber power test. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the structure of a test fixture for a thin-diameter optical fiber power meter according to the utility model;
[0013] Figure 2 This is a schematic diagram of the base of the power meter fixture of the utility model;
[0014] Figure 3 This is a schematic diagram of the power meter fixture cover of the utility model;
[0015] Figure 4 This is a schematic diagram of the optical fiber clamp of the utility model;
[0016] Figure 5 This is a schematic diagram of the power meter probe of the utility model;
[0017] Figure 6 This is a schematic diagram of the fixture cover of the utility model
[0018] In the figure: a power meter fixture base 1, an optical fiber fixture 2, a power meter probe 3, a power meter fixture cover 11, a positioning pin 12, a mounting hole 13, a clamping groove 21, a fixture cover 22, a positioning hole 23, and a clamping plate 221. DETAILED DESCRIPTION
[0019] Example 1
[0020] like Figure 1-6A thin-diameter optical fiber power meter test fixture shown in the figure includes: a power meter fixture base 1, an optical fiber fixture 2, and a power meter probe 3. The power meter fixture base 1 is provided with a rotating shaft on the side, and is movably connected to the power meter fixture cover 11 through the rotating shaft; the optical fiber fixture 2 is arranged in the middle above the power meter fixture base 1, and a clamping groove 21 is provided in the middle of the optical fiber fixture 2, and a rotating shaft is provided on the side, and is movably connected to the fixture cover 22 through the rotating shaft; the power meter probe 3 is arranged on one side of the power meter fixture base 1, and the detection position of the power meter probe 3 is directly opposite to the clamping groove 21 in the middle of the optical fiber fixture 2.
[0021] like Figure 2 , 4 A thin-diameter optical fiber power meter test fixture is shown, wherein the optical fiber fixture 2 is provided with two positioning holes 23; and a positioning pin 12 is provided above the power meter fixture base 1 to match the positioning holes 23. The positioning pin 12 is used to fix the optical fiber fixture 2 and improve the stability of the test fixture.
[0022] like Figure 2 A thin-diameter optical fiber power meter test fixture is shown, wherein a transversely penetrating mounting hole 13 is provided below the power meter fixture base 1, and a fixing bolt is provided in the mounting hole 13 to fix and connect the power meter fixture base 1 and the power meter probe 3.
[0023] Example 2
[0024] On the basis of Example 1, in this example, Figure 2 , 3 5 shows a thin-diameter optical fiber power meter test fixture, wherein the detection part of the power meter probe 3 has a protruding circular boss; the connection side of the power meter fixture base 1 and the power meter probe 3 is set as a semicircular mounting slot, and the power meter fixture cover 11 is set as a semicircular on one side of the power meter probe 3, and cooperates with the mounting slot of the power meter fixture base 1 to fix the circular boss of the detection part of the power meter probe 3. The cut optical fiber is clamped in the optical fiber fixture 2, and the power meter fixture cover 11 cooperates with the power meter fixture base 1 to cover the optical fiber fixture 2, and performs light-proof treatment on the optical fiber to prevent the power test from affecting the test results.
[0025] like Figure 3-4 A thin-diameter optical fiber power meter test fixture is shown, and the sides of the power meter fixture cover plate 11 and the fixture cover plate 22 are both provided with opening handles, which facilitate operators to turn over the power meter fixture cover plate 11 and the fixture cover plate 22.
[0026] like Figure 4 , 6 In the illustrated test fixture for a thin-diameter optical fiber power meter, a protruding clamping plate 221 is provided below the fixture cover plate 22 and directly opposite to the clamping groove 21 .
[0027] It should be noted that the above is only a technical solution of the utility model and is not a limitation. Although the utility model is described in detail with reference to the preferred embodiments, a person skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A thin-diameter optical fiber power meter test fixture, characterized in that: include: A power meter fixture base (1), wherein a rotating shaft is provided on a side of the power meter fixture base (1) and is movably connected to a power meter fixture cover plate (11) via the rotating shaft; An optical fiber clamp (2), the optical fiber clamp (2) being arranged in the middle above the power meter clamp base (1), the optical fiber clamp (2) being provided with a clamping groove (21) in the middle, a rotating shaft being provided on the side, and a clamp cover plate (22) being movably connected via the rotating shaft; A power meter probe (3) is arranged on one side of the power meter fixture base (1), and a detection position of the power meter probe (3) faces a clamping groove (21) in the middle of the optical fiber fixture (2).
2. A thin-diameter optical fiber power meter test fixture according to claim 1, characterized in that: The detection part of the power meter probe (3) is provided with an outwardly protruding circular boss.
3. The thin-diameter optical fiber power meter test fixture according to claim 1, characterized in that: The connection side between the power meter fixture base (1) and the power meter probe (3) is configured as a semicircular mounting slot, and the power meter fixture cover (11) is configured as a semicircular slot on one side of the power meter probe (3) and cooperates with the mounting slot of the power meter fixture base (1) to fix the circular boss of the detection part of the power meter probe (3).
4. The thin-diameter optical fiber power meter test fixture according to claim 1, characterized in that: The power meter fixture cover plate (11) and the fixture cover plate (22) are both provided with opening handles on their sides.
5. The thin-diameter optical fiber power meter test fixture according to claim 1, characterized in that: The optical fiber clamp (2) is provided with two positioning holes (23).
6. The thin-diameter optical fiber power meter test fixture according to claim 1, characterized in that: A protruding clamping plate (221) is provided below the clamp cover plate (22) and directly opposite to the clamping groove (21).
7. The thin-diameter optical fiber power meter test fixture according to claim 1, characterized in that: A positioning pin (12) that matches the positioning hole (23) is provided above the power meter fixture base (1).
8. The thin-diameter optical fiber power meter test fixture according to claim 1, characterized in that: A transversely penetrating mounting hole (13) is provided below the power meter fixture base (1), and a fixing bolt is provided in the mounting hole (13) to fix the power meter fixture base (1) and the power meter probe (3).