Clamp for testing power amplifier

Abstract

The utility model discloses a clamp for testing a power amplifier, and the clamp comprises a heat dissipation bottom plate, a placement groove which is formed in the heat dissipation bottom plate and is used for placing the power amplifier PA, fixed toggle clamps which are arranged at the two sides of the placement groove and are used for fixing the power amplifier PA, a wire adjustment assembly which is used for adjusting the position of a wire, and a debugging assembly which comprises a support, a limiting block, a debugging plate, a debugging fixing plate, a guide assembly and a pressing toggle clamp. A movable support is fixed, heat dissipation teeth used for heat dissipation are arranged at the bottom of the support, a debugging fixing plate for fixing movement of the whole structure is arranged on the support, a debugging plate is fixedly arranged on the debugging fixing plate, a limiting block for limiting overpressure is arranged below the debugging fixing plate, and guide assemblies are arranged on the two sides of the debugging fixing plate and used for ensuring vertical movement of the fixing plate. A lower pressing toggle clamp is arranged above the debugging fixing plate, and the debugging plate can move up and down through carrying, thereby solving the problem of manual plugging in a test clamp, and avoiding the problems of signal abnormity and interface damage caused by cable bending.

Description

Technical Field

[0001] The invention belongs to the field of fixture testing, and in particular relates to a testing power amplifier fixture. Background Art

[0002] During production, batches of products may need to be tested for a long time. Therefore, common test fixtures are mostly plugged and unplugged manually. Repeated use will cause the joints between the test board and the product to deform, thus affecting product performance or causing interface damage. This method is not reliable and will affect production efficiency.

[0003] In addition, conventional tests rarely consider signal anomalies and interface damage caused by cable bending. Therefore, the market is in urgent need of a product that can both ensure production efficiency and adjust cable status to ensure test reliability. Summary of the invention

[0004] In order to solve the above technical problems, the purpose of the present invention is to provide a fixture for testing power amplifiers, solve the problem of manual plugging and unplugging in the test fixture, and avoid the problems of signal abnormalities and interface damage caused by cable bending.

[0005] In order to achieve the above-mentioned purpose, the technical scheme adopted by the present invention is: a fixture for testing a power amplifier, comprising a heat dissipation base plate, a placement slot, a fixed elbow clamp, a wire adjustment component and a debugging component; the placement slot is opened on the heat dissipation base plate for placing the power amplifier PA, the fixed elbow clamps are arranged on both sides of the placement slot for fixing the power amplifier PA, the wire adjustment component is used to adjust the position of the wire, and the debugging component comprises a bracket, a limit block, a debugging plate, a debugging fixed plate, a guide component and a downward pressing elbow clamp; the bracket is fixed to move, and heat dissipation teeth for heat dissipation are arranged at the bottom, the bracket is provided with a debugging fixed plate for fixing the movement of the entire structure, the debugging plate is fixedly arranged on the debugging fixed plate, and a limit block for limiting overpressure is arranged below the debugging fixed plate, and guide components are arranged on both sides of the debugging fixed plate to ensure the vertical movement of the fixed plate, and a downward pressing elbow clamp is arranged above the debugging fixed plate, and the up and down movement of the debugging plate is realized by moving.

[0006] The wire adjustment assembly includes an optical axis, an optical axis fixing seat, a fixing block and a wire clamping block. Two optical axes are provided, one of which is fixed to the heat dissipation base plate through the optical axis fixing seat, and the other is connected to the fixing block at one end and the wire clamping block at the other end.

[0007] Furthermore, the angle formed by the two optical axes is 90°.

[0008] Furthermore, the guide assembly is equipped with guide rods and linear bearings, with a total of two groups to ensure the accuracy of its position.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] 1. The present invention moves and presses the elbow clamp downward to drive the debugging board on the debugging fixing plate to move downward to the limit block through the guide assembly, and tests whether the product performance is qualified through the debugging board, thereby avoiding the situation of manual plugging and unplugging.

[0011] 2. The bottom plate and the test plate on the fixture of the present invention can be replaced with different styles according to different products, so that a set of fixtures can be used for multiple purposes.

[0012] 3. The present invention is equipped with two light rods, a fixing block and a support fixing frame, so as to meet the test requirements of the test product wire in the vertical direction, and at the same time, the test error and interface damage caused by different bending angles of the test line will not occur.

[0013] 4. The present invention can realize the production demand of efficient power amplifier testing and can perform product testing quickly and accurately. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Schematic diagram of the structure of the fixture for testing the power amplifier in this embodiment

[0015] Figure 2 It is a side schematic diagram of the fixture for testing the power amplifier in this embodiment.

[0016] Figure 3 Schematic diagram of the structure of the wire adjustment assembly of the fixture for testing the power amplifier in this embodiment.

[0017] Figure 4 Schematic diagram of the structure of the guide assembly of the fixture for testing the power amplifier in this embodiment.

[0018] Among them, 1-heat dissipation base plate, 2-placing slot, 3-fixed elbow clamp, 4-wire adjustment assembly, 5-debugging assembly; 41-optical axis, 42-optical axis fixing seat, 43-fixed block, 44-wire clamping block; 51-bracket, 52-limiting block, 53-debugging plate, 54-debugging fixing plate, 55-guide assembly, 56-down-pressing elbow clamp; 551-guide rod, 552 linear bearing. DETAILED DESCRIPTION

[0019] The technical solution of the present invention is further explained below in conjunction with the accompanying drawings and specific implementation methods.

[0020] like Figure 1-2As shown, a fixture for testing a power amplifier comprises a heat dissipation base plate 1, a placement slot 2, a fixed elbow clamp 3, a wire adjustment component 4 and a debugging component 5; the placement slot 2 is provided on the heat dissipation base plate 1 for placing the power amplifier PA, the fixed elbow clamp 3 is arranged on both sides of the placement slot 2 for fixing the power amplifier PA, the wire adjustment component 4 is used to adjust the position of the wire, the debugging component 5 comprises a bracket 51, a limit block 52, a debugging plate 53, a debugging fixed plate 54, a guide component 55 and a downward pressing elbow clamp 56, the bracket 51 is provided with a debugging fixed plate 54 for fixing the movement of the entire structure, the debugging plate 53 is fixedly arranged on the debugging fixed plate 54, a limit block 52 for limiting overpressure is arranged below the debugging fixed plate 54, guide components 55 are arranged on both sides of the debugging fixed plate 54 for ensuring vertical movement of the fixed plate, and a downward pressing elbow clamp 56 is arranged above the debugging fixed plate 54, and the up and down movement of the debugging plate 53 is realized by moving.

[0021] like Figure 3 As shown, the wire adjustment assembly 4 includes an optical axis 41, an optical axis fixing seat 42, a fixing block 43 and a wire clamping block 44. The optical axis 41 is provided with two, one of which is fixed to the heat dissipation base plate 1 through the optical axis fixing seat 42, and the other is connected to the fixing block 43 at one end and the wire clamping block 44 at the other end.

[0022] Preferably, the angle formed by the two optical axes 41 is 90°.

[0023] like Figure 4 As shown, preferably, the guide assembly 55 is equipped with a guide rod 551 and a linear bearing 552 .

[0024] Preferably, two wire adjustment components 4 are provided.

[0025] Preferably, two guide assemblies 55 are provided.

[0026] Preferably, the heat dissipation base plate 1 is provided with evenly arranged heat dissipation teeth.

[0027] The power amplifier PA is placed in the placement slot 2 on the heat dissipation base plate 1, and the fixed elbow clamp 3 is used to fix the power amplifier PA so that it is firmly fixed to facilitate the heat dissipation through the bottom heat dissipation teeth. The wire adjustment component 4 can move the wire to a suitable position, and the downward pressing elbow clamp 56 is moved to drive the debugging board 53 on the debugging fixing plate 54 to move downward to the limit block 52 through the guide component 55. The movement stops and the product performance is tested through the debugging board 53 to see if it is qualified.

[0028] In this embodiment, two optical rods, an optical axis fixing seat and a support fixing frame are provided to meet the test requirements of the test product wire in the vertical direction, and at the same time, test errors and interface damage caused by different bending angles of the test wire will not be caused.

[0029] In this embodiment, the guide assembly is equipped with a guide rod 551 and a linear bearing 552. Since two sets of wire assemblies are provided, the downward pressing path is fixed to ensure the reliability of the positioning accuracy.

[0030] In this embodiment, different products can be tested by replacing the heat dissipation base plate, the debugging board and the limit block.

[0031] The technical means disclosed in the scheme of the present invention are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical schemes composed of any combination of the above-mentioned technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications are also regarded as the protection scope of the present invention.

Claims

1. A fixture for testing a power amplifier, characterized in that: The invention comprises a heat dissipation base plate (1), a placement slot (2), a fixing elbow clamp (3), a wire adjustment component (4) and a debugging component (5); the placement slot (2) is provided on the heat dissipation base plate (1) and is used for placing a power amplifier PA; the fixing elbow clamp (3) is provided on both sides of the placement slot (2) and is used for fixing the power amplifier PA; the wire adjustment component (4) is used for adjusting the position of the wire; the debugging component (5) comprises a bracket (51), a limit block (52), a debugging board (53), a debugging fixing board (54), a guide component (55) and A downward pressing elbow clamp (56) is provided on the bracket (51) for fixing the movement of the entire structure. The debugging plate (53) is fixedly arranged on the debugging fixing plate (54). A limit block (52) for limiting overpressure is arranged below the debugging fixing plate (54). Guide components (55) are arranged on both sides of the debugging fixing plate (54) for ensuring the vertical movement of the fixing plate. A downward pressing elbow clamp (56) is provided above the debugging fixing plate (54) to realize the up and down movement of the debugging plate (53) by moving it.

2. A fixture for testing a power amplifier according to claim 1, characterized in that: The wire adjustment assembly (4) comprises an optical axis (41), an optical axis fixing seat (42), a fixing block (43) and a wire clamping block (44); the optical axis (41) is provided with two, one of which is fixed to the heat dissipation base plate (1) through the optical axis fixing seat (42), and the other is connected to the fixing block (43) at one end and to the wire clamping block (44) at the other end.

3. A fixture for testing a power amplifier according to claim 2, characterized in that: The angle formed by the two optical axes (41) is 90°.

4. The fixture for testing a power amplifier according to claim 1, characterized in that: The guide assembly (55) is equipped with a guide rod (551) and a linear bearing (552).

5. A fixture for testing a power amplifier according to claim 1 or 2, characterized in that: The wire adjustment components (4) are provided with two.

6. A fixture for testing a power amplifier according to claim 1 or 4, characterized in that: The guide components (55) are provided with two.

7. The fixture for testing a power amplifier according to claim 1, characterized in that: The heat dissipation bottom plate (1) is provided with evenly arranged heat dissipation teeth.

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