An automated test module for pulse current detection

By designing an automated test module for pulse current detection, the problem of component overheating during the production of RF power amplifier chips was solved, enabling stable testing and efficient heat dissipation of the circuit board, and improving measurement efficiency and accuracy.

CN224399439UActive Publication Date: 2026-06-23SUZHOU XINYIHENG TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU XINYIHENG TECHNOLOGY CO LTD
Filing Date
2025-06-04
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

In existing technologies, continuous RF signal testing during the manufacturing process of RF power amplifier chips causes components to heat up rapidly, affecting measurement results and resulting in low measurement efficiency.

Method used

Design an automated test module for pulse current detection, including a positioning mechanism and a fixing mechanism. A knob drives a lead screw to raise and lower the fixing bracket, which is combined with an exhaust fan for heat dissipation. The circuit board is fixed by a spring push rod and a gear system to achieve stable testing and heat dissipation of the circuit board.

Benefits of technology

This technology enables effective fixation and heat dissipation of the circuit board during testing, improving measurement efficiency and accuracy and meeting the needs of large-scale production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of for pulse current detection's automated test module, it is related to current detection technical field, including test mechanism, the test mechanism upper surface is equipped with positioning mechanism, and the positioning mechanism is equipped with fixed mechanism;The test mechanism includes installation support, and the installation support both sides are equipped with test module, by above-mentioned technical scheme, its purpose is to: by knob drive drive screw rotation, fixed support both sides'state fan can heat dissipation to circuit board in testing process, spring ejector rod can push protruding plate and sliding support to fixed seat reverse direction movement, to drive sliding support lower surface's toothed plate and driven gear meshing, drive rotating shaft rotation, wherein the special-shaped cylinder on rotating shaft can push the descending of pressure plate along telescopic link, and pressure plate can fix circuit board in installation support, to facilitate the testing of circuit board while also heat dissipation treatment can be carried out to circuit board.
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Description

Technical Field

[0001] This utility model relates to the field of current detection technology, and in particular to an automated test module for pulse current detection. Background Technology

[0002] A pulse is a waveform of voltage or current, like the pulse waveform on an electrocardiogram. Pulses can be divided into interference pulses and signal pulses.

[0003] Pulse signal: A voltage or current that changes suddenly and instantaneously, with an extremely short duration.

[0004] Currently, in the prior art, the radio frequency (RF) performance of RF power amplifier chips needs to be tested during the manufacturing process. However, continuous transmission of RF signals can cause the components to heat up rapidly, which has a significant negative effect on the measurement results. Furthermore, due to the needs of factory production, there are extremely high requirements for measurement efficiency. Therefore, the design of the test module needs to improve the efficiency and accuracy of the measurement as much as possible to meet the needs of large-scale production. Therefore, this utility model proposes an automated test module for pulse current detection. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies where, during the manufacturing process of RF power amplifier chips, it is necessary to test their RF performance, but continuous transmission of RF signals causes the components to heat up rapidly, resulting in a significant negative effect on the measurement results.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an automated test module for pulse current detection, comprising a test mechanism, a positioning mechanism mounted on the upper surface of the test mechanism, and a fixing mechanism mounted on the positioning mechanism; the test mechanism includes a mounting bracket, test modules mounted on both sides of the mounting bracket, two test modules electrically connected to each other at both ends by connection terminals, and a fixing base fixedly attached to the lower surface of the mounting bracket.

[0007] Preferably, the positioning mechanism includes a limiting rod, which is fixed to the four corners of the upper surface of the fixed base. A top plate is fixed to the upper end of the limiting rod on the same side, and a drive screw is rotatably installed in the middle of the top plate.

[0008] Preferably, a knob is fixedly connected to the upper end of the drive screw, the lower end of the drive screw is rotatably mounted on the surface of the fixed base, and a fixed bracket is provided above the mounting bracket.

[0009] Preferably, six evenly distributed side extension rods are fixed to both sides of the fixed bracket, four of which are movably mounted on the limiting rod, and the other two are engaged with the drive screw.

[0010] Preferably, a plurality of evenly distributed exhaust fans are installed on both sides of the fixed bracket, and an installation hole is provided in the middle of the fixed bracket, with the exhaust fans located on both sides of the installation hole.

[0011] Preferably, the fixing mechanism includes a pressure plate, and telescopic rods are fixedly connected to the four corners of the upper surface of the pressure plate. The telescopic rods are fixed between the pressure plate and the fixing bracket. A compression spring is installed on the outside of the telescopic rod. A sliding groove is opened at one end of the fixing bracket, and a sliding bracket is slidably installed in the sliding groove.

[0012] Preferably, a protruding plate is fixedly connected to one side of the sliding bracket, a spring push rod is fixedly connected to one side of the protruding plate, a fixed seat is installed on one side of the spring push rod, the fixed seat is fixedly connected to one side of the upper surface of the fixed bracket, and toothed plates are fixedly connected to both sides of the lower surface of the sliding bracket.

[0013] Preferably, a driven gear is meshed at the lower end of the toothed plate, and a rotating shaft is fixedly connected at the center of the driven gear. The rotating shaft is rotatably mounted on the inner wall of the hole of the fixed bracket, and a shaped roller is fixedly connected to the rotating shaft.

[0014] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0015] In this invention, the drive screw is rotated by a knob, which in turn drives the fixed bracket to rise and fall along the limit rod. The exhaust fans on both sides of the fixed bracket can dissipate heat from the circuit board during the test. The spring push rod can push the protruding plate and the sliding bracket to move in the opposite direction to the fixed seat, thereby driving the toothed plate and the driven gear on the lower surface of the sliding bracket to mesh, driving the rotating shaft to rotate. The irregular roller on the rotating shaft will push the pressure plate down along the telescopic rod. The pressure plate can fix the circuit board in the mounting bracket, thus facilitating the testing of the circuit board while also providing heat dissipation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of an automated test module for pulse current detection.

[0017] Figure 2 This is a schematic diagram of a combined structure.

[0018] Figure 3 This is a schematic diagram of the positioning mechanism.

[0019] Figure 4 This is an exploded view of the positioning mechanism.

[0020] Legend: 100, Testing mechanism; 200, Fixing mechanism; 300, Positioning mechanism; 101, Fixed base; 102, Mounting bracket; 103, Testing module; 104, Connecting terminal; 201, Pressure plate; 202, Irregularly shaped roller; 203, Sliding bracket; 204, Protruding plate; 205, Spring push rod; 206, Fixed seat; 207, Toothed plate; 208, Compression spring; 209, Telescopic rod; 210, Rotating shaft; 211, Slide groove; 212, Driven gear; 301, Top plate; 302, Limiting rod; 303, Drive screw; 304, Side extension rod; 305, Fixed bracket; 306, Exhaust fan. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Implementation examples, based on Figures 1-4 This utility model provides an automated testing module for pulse current detection, including a testing mechanism 100, a positioning mechanism 300 mounted on the upper surface of the testing mechanism 100, and a fixing mechanism 200 mounted on the positioning mechanism 300; as shown Figure 2 As shown, the testing mechanism 100 includes a mounting bracket 102, on both sides of the mounting bracket 102 are test modules 103, and the two test modules 103 are electrically connected to the two ends of the connection terminal 104. A fixed base 101 is fixedly attached to the lower surface of the mounting bracket 102, and the circuit board to be tested is placed in the mounting bracket 102.

[0024] like Figure 2As shown, the positioning mechanism 300 includes limiting rods 302, which are fixed to the four corners of the upper surface of the fixed base 101. A top plate 301 is fixed to the upper end of the limiting rods 302 on the same side. A drive screw 303 is rotatably mounted in the middle of the top plate 301. A knob is fixed to the upper end of the drive screw 303, and the lower end of the drive screw 303 is rotatably mounted on the surface of the fixed base 101. A fixed bracket 305 is provided above the mounting bracket 102. Six evenly distributed side extension rods 304 are fixed to both sides of the fixed bracket 305. Four of the side extension rods 304 are movably mounted on the limiting rod 302, and two other side extension rods 304 are engaged with the drive screw 303. Several evenly distributed exhaust fans 306 are installed on both sides of the fixed bracket 305. The fixed bracket 305 has a mounting hole in the middle, and the exhaust fans 306 are located on both sides of the mounting hole. By rotating the drive screw 303 with a knob, the fixed bracket 305 can be moved up and down along the limiting rod 302. The exhaust fans 306 on both sides of the fixed bracket 305 can dissipate heat from the circuit board during the test.

[0025] like Figures 3-4 As shown, the fixing mechanism 200 includes a pressure plate 201. Telescopic rods 209 are fixedly connected to the four corners of the upper surface of the pressure plate 201. The telescopic rods 209 are fixed between the pressure plate 201 and the fixing bracket 305. Compression springs 208 are installed on the outer side of the telescopic rods 209. A sliding groove 211 is opened at one end of the fixing bracket 305. A sliding bracket 203 is slidably installed in the sliding groove 211. A protruding plate 204 is fixedly connected to one side of the sliding bracket 203. A spring push rod 205 is fixedly connected to one side of the protruding plate 204. A fixing seat 206 is installed on one side of the spring push rod 205. The fixing seat 206 is fixed to one side of the upper surface of the fixing bracket 305. The lower surface of the sliding bracket 203 has two... A toothed plate 207 is fixedly connected to the side. A driven gear 212 is meshed at the lower end of the toothed plate 207. A rotating shaft 210 is fixedly connected at the center of the driven gear 212. The rotating shaft 210 is rotatably mounted on the inner wall of the hole of the fixed bracket 305. A shaped roller 202 is fixedly connected to the rotating shaft 210. The spring push rod 205 can push the protruding plate 204 and the sliding bracket 203 to move in the opposite direction to the fixed seat 206, thereby driving the toothed plate 207 and the driven gear 212 on the lower surface of the sliding bracket 203 to mesh, driving the rotating shaft 210 to rotate. The shaped roller 202 on the rotating shaft 210 will push the pressure plate 201 down along the telescopic rod 209. The pressure plate 210 can fix the circuit board in the mounting bracket 102.

[0026] The working principle of this utility model is as follows: The circuit board to be tested is placed in the mounting bracket 102. The drive screw 303 is rotated by the knob, which drives the fixed bracket 305 to rise and fall along the limit rod 302. The exhaust fans 306 on both sides of the fixed bracket 305 can dissipate heat from the circuit board during the test. The spring push rod 205 can push the protruding plate 204 and the sliding bracket 203 to move in the opposite direction to the fixed seat 206, thereby driving the toothed plate 207 and the driven gear 212 on the lower surface of the sliding bracket 203 to mesh, driving the rotating shaft 210 to rotate. The irregular roller 202 on the rotating shaft 210 will push the pressure plate 201 to descend along the telescopic rod 209. The pressure plate 210 can fix the circuit board in the mounting bracket 102, which facilitates the testing of the circuit board and also provides heat dissipation.

[0027] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from the technical solution of this utility model shall still fall within the protection scope of this utility model.

Claims

1. An automated testing module for pulse current detection, comprising a testing mechanism, characterized in that: A positioning mechanism is installed on the upper surface of the testing mechanism, and a fixing mechanism is installed on the positioning mechanism; The testing mechanism includes a mounting bracket, on both sides of which test modules are mounted. The two test modules are electrically connected to each other at both ends, and a fixed base is fixedly attached to the lower surface of the mounting bracket.

2. The automated test module for pulse current detection according to claim 1, characterized in that: The positioning mechanism includes a limiting rod, which is fixed to the four corners of the upper surface of the fixed base. A top plate is fixed to the upper end of the limiting rod on the same side, and a drive screw is rotatably installed in the middle of the top plate.

3. An automated test module for pulse current detection according to claim 2, characterized in that: A knob is fixedly connected to the upper end of the drive screw, and the lower end of the drive screw is rotatably mounted on the surface of the fixed base. A fixed bracket is provided above the mounting bracket.

4. An automated test module for pulse current detection according to claim 3, characterized in that: The fixed bracket has six evenly distributed side extension rods fixed to both sides, four of which are movably mounted on the limiting rod, and the other two are engaged with the drive screw.

5. An automated test module for pulse current detection according to claim 4, characterized in that: Several evenly distributed exhaust fans are installed on both sides of the fixed bracket. The fixed bracket has mounting holes in the middle, and the exhaust fans are located on both sides of the mounting holes.

6. An automated test module for pulse current detection according to claim 3, characterized in that: The fixing mechanism includes a pressure plate, and telescopic rods are fixedly connected to the four corners of the upper surface of the pressure plate. The telescopic rods are fixed between the pressure plate and the fixing bracket. A compression spring is installed on the outside of the telescopic rod. A sliding groove is opened at one end of the fixing bracket, and a sliding bracket is slidably installed in the sliding groove.

7. An automated test module for pulse current detection according to claim 6, characterized in that: A protruding plate is fixedly connected to one side of the sliding bracket, a spring push rod is fixedly connected to one side of the protruding plate, a fixed seat is installed on one side of the spring push rod, the fixed seat is fixedly connected to one side of the upper surface of the fixed bracket, and toothed plates are fixedly connected to both sides of the lower surface of the sliding bracket.

8. An automated test module for pulse current detection according to claim 7, characterized in that: The lower end of the toothed plate is meshed with a driven gear, and a rotating shaft is fixedly connected to the center of the driven gear. The rotating shaft is rotatably installed on the inner wall of the hole of the fixed bracket, and an irregularly shaped roller is fixedly connected to the rotating shaft.