Testing device for E-Pad

By designing the adjustment mechanism and testing mechanism, the problem that the existing E-Pad test device cannot adjust the height and contact position is solved, and the multi-angle adjustment and stable fixation of the E-Pad equipment are realized, which improves the comprehensiveness and accuracy of the test and improves the test yield.

CN223217527UActive Publication Date: 2025-08-12DONGGUAN HAIHE TECH CO LTD
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Patent Information

Application Number
CN202422041329.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-08-12
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

The existing E-Pad test device cannot adjust the height and contact position, resulting in inaccurate testing and the inability to fully evaluate the performance and reliability of the E-Pad.

Method used

An E-Pad testing device including an adjustment mechanism and a testing mechanism is designed. Multi-angle adjustment and fixation of the E-Pad equipment is achieved through components such as worms, worm gears, servo motors and cylinders, and combined with the height and position adjustment of the spring pins, ensuring the stability and accuracy of the test.

Benefits of technology

It realizes multi-angle adjustment and stable fixation of E-Pad equipment, improves the test effect, enhances the comprehensiveness and accuracy of the test, and improves the test yield.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of E-Pad testing, and discloses an E-Pad testing device comprising a testing device body, the top of the testing device body is provided with an adjusting mechanism, the top of the testing device body is fixedly connected with a bearing frame, the inner side of the bearing frame is provided with a testing mechanism, and the testing mechanism is connected with the adjusting mechanism. The adjusting mechanism comprises an adjusting assembly and a placing assembly, the adjusting assembly is arranged at the top of the testing device body, the placing assembly is arranged at the top of the adjusting assembly, and when the testing device is used, the arranged adjusting mechanism is raised, and when the E-Pad equipment needs to be tested, under the action of the first concave frame, the worm and the worm gear, the E-Pad equipment can be placed in the placing assembly. According to the E-Pad testing device, front-back angle adjustment can be conducted on the E-Pad device placed on the placing frame, meanwhile, left-right angle adjustment can be further conducted on the E-Pad device on the placing frame under the action of a servo motor, a second rotating rod and a connecting block, by arranging multiple angle adjustment, an operator can conveniently adjust the angle of the E-Pad according to needs, and therefore the testing effect is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of E-Pad testing, in particular to an E-Pad testing device. Background Art

[0002] The E-Pad tester is a tool designed specifically for evaluating and testing the performance of E-Pads (exposed pads) in electronic devices. E-Pads are commonly used in integrated circuit (IC) packaging and are responsible for electrical grounding and thermal management, especially in high-power ICs. The purpose of the tester is to ensure the reliability and performance of the E-Pad during the manufacturing process and long-term use. When testing an IC, if the GND pin of an ESOP8L IC is on the E-Pad, a pogo pin needs to be added to contact the E-Pad for testing. When using existing testers, the pogo pins can only be fixed to the test board, with no ability to adjust the height or contact position, resulting in low yield. Furthermore, the angle cannot be adjusted during E-Pad testing, making it impossible to more comprehensively and accurately evaluate the performance and reliability of the E-Pad in different usage scenarios. Utility Model Content

[0003] The purpose of the present invention is to provide an E-Pad testing device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a test device for an E-Pad, comprising a test device body, an adjustment mechanism provided on the top of the test device body, a load-bearing frame fixedly connected to the top of the test device body, and a test mechanism provided inside the load-bearing frame;

[0005] The adjustment mechanism includes an adjustment component and a placement component, wherein the adjustment component is arranged on the top of the test device body, and the placement component is arranged on the top of the adjustment component;

[0006] The adjusting assembly includes a first cylinder, which is fixedly connected to the top of the test device body, a load-bearing platform fixedly connected to the top of the first cylinder, a first concave frame fixedly connected to the top of the load-bearing platform, a fixed block fixedly connected to the left side of the first concave frame, a worm rotatably connected inside the fixed block, a first knob fixedly connected to the front side of the worm, a worm wheel engaged with the top of the worm, a first rotating rod fixedly connected inside the worm wheel, the first rotating rod rotatably connected to the inside of the first concave frame, a second concave frame fixedly connected to the periphery of the first rotating rod, a servo motor fixedly connected to the front side of the second concave frame, a second rotating rod fixedly connected to the rear side of the servo motor, the second rotating rod rotatably connected to the second concave frame at the rear side, and a connecting block fixedly connected to the periphery of the second rotating rod.

[0007] Preferably, the second concave frame is rotatably connected to the inner side of the first concave frame, and the connecting block is rotatably connected to the inner side of the second concave frame, so that under the action of the first concave frame, the second concave frame and the connecting block, the placement frame rotates more stably.

[0008] Preferably, the placement assembly includes a placement rack, which is fixedly connected to the top of the connecting block, the top of the placement rack is fixedly connected to a support block, the support block is internally threaded with a threaded rod, the right side of the threaded rod is fixedly connected to a second knob, and the left side of the threaded rod is rotatably connected to a splint.

[0009] Preferably, the clamping plate is rectangular, and an insulating rubber pad is provided on the left side of the clamping plate to facilitate fixing the E-Pad device under the action of the parts to ensure stability during testing.

[0010] Preferably, the testing mechanism includes a second cylinder, which is fixedly connected to the left side of the load-bearing frame, and a test base is fixedly connected to the right side of the second cylinder. The top of the test base is fixedly connected to a slider, and the top inner side of the slider is slidably connected to the top of the load-bearing frame. A mounting frame is provided at the bottom of the test base, and the mounting frame is internally threaded with a first bolt, and the mounting frame is internally slidably connected to a fixed frame, and the fixed frame is internally threaded with a second bolt, and the fixed frame is internally slidably connected to a spring pin, and the fixed frame is internally threaded with a fixing pin, and the rear side of the fixing pin is rotatably connected to a limiting plate, and the limiting plate is slidably connected to the fixed frame, and the rear side of the limiting plate is in contact with the outer periphery of the spring pin, and the spring pin is slidably connected to the inside of the load-bearing frame.

[0011] Preferably, the slider passes through the interior of the load-bearing frame, a sliding groove is provided on the top of the load-bearing frame, the top inner side of the slider is slidably connected to the sliding groove, a movable groove is provided inside the load-bearing frame, the spring pin is slidably connected to the movable groove, and the top of the mounting frame is in contact with the bottom of the test base, so that the slider can be moved more stably through the sliding groove, and the movable groove can limit the spring pin, making the movement more stable.

[0012] Preferably, the spring pin passes through the inside of the test base, and limiting grooves are respectively provided inside the fixing frame and the test base, and the two limiting grooves correspond to each other. The spring pin is slidably connected in the limiting groove, so that the height of the spring pin can be adjusted under the action of the limiting groove.

[0013] Compared with the prior art, the present invention provides an E-Pad testing device with the following beneficial effects:

[0014] 1. The E-Pad testing device has an improved adjustment mechanism. When the E-Pad device needs to be tested, the E-Pad device placed on the placement rack can be adjusted to the front and rear angles under the action of the first concave frame, the worm and the worm gear. At the same time, the E-Pad device on the placement rack can be further adjusted to the left and right angles under the action of the servo motor, the second rotating rod and the connecting block. By setting multiple angle adjustments, the operator can adjust the angle of the E-Pad as needed, thereby improving the test effect. At the same time, under the action of the threaded rod, the second knob and the clamping plate, the E-Pad device under test can be fixed to ensure the stability of the E-Pad device. Under the action of the first cylinder, the load-bearing platform can be driven to rise and fall, thereby changing the distance between the E-Pad device and the spring needle, thereby improving the test effect.

[0015] 2. The E-Pad test device, through the set test mechanism, can realize the testing of the E-Pad device through the spring pin when testing products that require pogo pins, and two spring pins are provided, which can connect the ACGND and GND on the test board respectively, improve the test yield, and avoid the low test yield caused by testing with one spring pin. In addition, under the action of the second cylinder, the test base can be driven to move left and right, thereby changing the left and right position of the spring pin, which can more comprehensively and accurately evaluate the performance and reliability of the E-Pad. In addition, under the action of the fixing pin and the limit plate, the spring pin can be limited, and the height of the spring pin can be adjusted to improve the test effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 Schematic diagram of the regulating mechanism structure;

[0019] Figure 3 Schematic diagram of the adjustment component structure;

[0020] Figure 4 This is a schematic diagram of the top structure of the load-bearing platform;

[0021] Figure 5 Schematic diagram of the cross-sectional structure of the second concave frame;

[0022] Figure 6 A schematic diagram of the component placement structure;

[0023] Figure 7 This is a schematic diagram of the test organization structure;

[0024] Figure 8 It is a schematic diagram of the cross-sectional structure of the fixed frame.

[0025] In the figure: 1. test device body; 2. adjustment mechanism; 3. load-bearing frame; 4. test mechanism; 21. adjustment component; 22. placement component; 211. first cylinder; 212. load-bearing platform; 213. fixing block; 214. worm gear; 215. first concave frame; 216. first knob; 217. worm; 218. first rotating rod; 219. second concave frame; 2191. servo motor; 2192. connecting block; 2193. second rotating rod; 221. placement frame; 222. support block; 223. second knob; 224. threaded rod; 225. splint; 41. second cylinder; 42. test base; 43. slider; 44. mounting frame; 45. first bolt; 46. second bolt; 47. fixing frame; 48. spring pin; 49. fixing pin; 491. limit plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0028] The utility model provides the following technical solutions:

[0029] Example 1

[0030] See also Figure 1-8The utility model provides a technical solution: a test device for an E-Pad, comprising a test device body 1, an adjustment mechanism 2 provided on the top of the test device body 1, a load-bearing frame 3 fixedly connected to the top of the test device body 1, a test mechanism 4 provided inside the load-bearing frame 3, the adjustment mechanism 2 comprising an adjustment component 21 and a placement component 22, the adjustment component 21 being provided on the top of the test device body 1, and the placement component 22 being provided on the top of the adjustment component 21;

[0031] The adjustment assembly 21 includes a first cylinder 211, which is fixedly connected to the top of the test device body 1, and a load-bearing platform 212 is fixedly connected to the top of the first cylinder 211. The load-bearing platform 212 is fixedly connected to the top of the first concave frame 215. The left side of the first concave frame 215 is fixedly connected to a fixed block 213. A worm 217 is rotatably connected to the inside of the fixed block 213. The front side of the worm 217 is fixedly connected to the first knob 216. The top of the worm 217 is engaged with a worm wheel 214. The worm wheel 214 is fixedly connected to the first rotating rod 218. The first rotating rod 218 is rotatably connected to the inside of the first concave frame 215. 8 is fixedly connected to the outer periphery of the second concave frame 219, the front side of the second concave frame 219 is fixedly connected to the servo motor 2191, the rear side of the servo motor 2191 is fixedly connected to the second rotating rod 2193, the rear side of the second rotating rod 2193 is rotatably connected to the inside of the second concave frame 219, the outer periphery of the second rotating rod 2193 is fixedly connected to the connecting block 2192, the second concave frame 219 is rotatably connected to the inner side of the first concave frame 215, and the connecting block 2192 is rotatably connected to the inner side of the second concave frame 219, so that under the action of the first concave frame 215, the second concave frame 219 and the connecting block 2192, the placement rack 221 can rotate more stably.

[0032] See also Figure 1-8 The utility model provides a technical solution: the placement component 22 includes a placement rack 221, the placement rack 221 is fixedly connected to the top of the connecting block 2192, the top of the placement rack 221 is fixedly connected to the support block 222, the internal thread of the support block 222 is connected to a threaded rod 224, the right side of the threaded rod 224 is fixedly connected to a second knob 223, the left side of the threaded rod 224 is rotatably connected to a splint 225, the splint 225 is rectangular, and an insulating rubber pad is provided on the left side of the splint 225, which is convenient for fixing the E-Pad device under the action of the parts to ensure stability during testing.

[0033] Example 2

[0034] See also Figure 1-8, and on the basis of embodiment 1, the test mechanism 4 further comprises a second cylinder 41, the second cylinder 41 is fixedly connected to the left side of the load-bearing frame 3, the right side of the second cylinder 41 is fixedly connected to a test base 42, the top of the test base 42 is fixedly connected to a slider 43, the inner top of the slider 43 is slidably connected to the top of the load-bearing frame 3, and a mounting frame 44 is provided at the bottom of the test base 42, the interior of the mounting frame 44 is threadedly connected to a first bolt 45, the interior of the mounting frame 44 is slidably connected to a fixed frame 47, the interior of the fixed frame 47 is threadedly connected to a second bolt 46, the interior of the fixed frame 47 is slidably connected to a spring pin 48, the interior of the fixed frame 47 is threadedly connected to a fixing pin 49, the rear side of the fixing pin 49 is rotatably connected to a limit plate 491, the limit plate 491 is slidably connected to the inside of the fixed frame 47, and the rear side of the limit plate 491 is connected to the limit plate 491. The outer peripheries of the spring pins 48 are in contact with each other, and the spring pins 48 are slidably connected to the inside of the load-bearing frame 3. The slider 43 runs through the inside of the load-bearing frame 3. A sliding groove is provided at the top of the load-bearing frame 3, and the inner top of the slider 43 is slidably connected to the sliding groove. A movable groove is provided inside the load-bearing frame 3, and the spring pins 48 are slidably connected to the movable groove. The top of the mounting frame 44 and the bottom of the test base 42 are in contact with each other, so that the slider 43 can be moved more stably through the sliding groove. At the same time, the spring pins 48 can be limited by the movable groove to make the movement more stable. The spring pins 48 run through the inside of the test base 42, and limiting grooves are respectively provided inside the fixed frame 47 and the test base 42, and the two limiting grooves correspond to each other. The spring pins 48 are slidably connected to the limiting groove, so that the height of the spring pins 48 can be adjusted under the action of the limiting groove.

[0035] In actual operation, when this device is used, when it is necessary to control the E-Pad device through pogo When the pin is tested, first place the E-Pad device to be tested on the placement rack 221, turn the second knob 223, so that the second knob 223 drives the threaded rod 224 and the clamping plate 225 to move, and the E-Pad device can be fixed under the action of the clamping plate 225 to ensure the stability of the E-Pad device, and then connect it to the spring pin 48 through the external connecting line, and at the same time, according to the position where the E-Pad device needs to be tested, the test base 42 is driven to move left and right by the second cylinder 41, and the mounting bracket 44 and the spring pin 48 can be driven to move by the test base 42 to adjust the position of the spring pin 48. At the same time, according to the needs of the test, the fixing pin 49 is turned so that the fixing pin 49 drives the limit plate 491 to move forward, and the height of the spring pin 48 can be adjusted. When the adjustment is completed, the spring pin 48 can be limited again under the action of the limit plate 491 to ensure the stability of the spring pin 48. 1 drives the load-bearing platform 212 to rise and fall, which can drive the E-Pad device fixed on the placement rack 221 to rise and fall, so that the spring pin 48 contacts the position on the E-Pad device that needs to be tested, and the test can be carried out. During the test, if the angle of the E-Pad device needs to be adjusted, the first knob 216 can be rotated to make the first knob 216 drive the worm 217 to rotate, so that the worm 217 drives the first rotating rod 218 fixedly connected to the worm gear 214 to rotate, and the first rotating rod 218 can drive the second concave frame 219 to rotate. Under the action of the second concave frame 219, the placement rack 221 can be driven to rotate forward and backward to adjust the front and rear angle of the E-Pad device. At the same time, the servo motor 2191 drives the connecting block 2192 fixedly connected to the outer periphery of the second rotating rod 2193 to rotate, so that the placement rack 221 can be driven to rotate left and right to adjust the left and right angle of the E-Pad device, thereby improving the test effect.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A test device for an E-Pad, comprising a test device body (1), characterized in that: An adjustment mechanism (2) is provided on the top of the test device body (1), a load-bearing frame (3) is fixedly connected to the top of the test device body (1), and a test mechanism (4) is provided inside the load-bearing frame (3); The adjustment mechanism (2) comprises an adjustment component (21) and a placement component (22), wherein the adjustment component (21) is arranged on the top of the test device body (1), and the placement component (22) is arranged on the top of the adjustment component (21); The adjustment assembly (21) includes a first cylinder (211), the first cylinder (211) is fixedly connected to the top of the test device body (1), the top of the first cylinder (211) is fixedly connected to a bearing platform (212), the top of the bearing platform (212) is fixedly connected to a first concave frame (215), the left side of the first concave frame (215) is fixedly connected to a fixed block (213), the inside of the fixed block (213) is rotatably connected to a worm (217), the front side of the worm (217) is fixedly connected to a first knob (216), the top of the worm (217) is meshed with a worm wheel (214), and the A first rotating rod (218) is fixedly connected inside the worm gear (214), and the first rotating rod (218) is rotatably connected to the inside of the first concave frame (215). The periphery of the first rotating rod (218) is fixedly connected to the second concave frame (219). The front side of the second concave frame (219) is fixedly connected to a servo motor (2191). The rear side of the servo motor (2191) is fixedly connected to a second rotating rod (2193). The rear side of the second rotating rod (2193) is rotatably connected to the inside of the second concave frame (219). The periphery of the second rotating rod (2193) is fixedly connected to a connecting block (2192).

2. The E-Pad testing device according to claim 1, characterized in that: The second concave frame (219) is rotatably connected to the inner side of the first concave frame (215), and the connecting block (2192) is rotatably connected to the inner side of the second concave frame (219).

3. The E-Pad testing device according to claim 1, characterized in that: The placement assembly (22) comprises a placement rack (221), the placement rack (221) is fixedly connected to the top of the connection block (2192), the top of the placement rack (221) is fixedly connected to a support block (222), the support block (222) is internally threadedly connected to a threaded rod (224), the right side of the threaded rod (224) is fixedly connected to a second knob (223), and the left side of the threaded rod (224) is rotatably connected to a clamping plate (225).

4. The E-Pad testing device according to claim 3, characterized in that: The clamping plate (225) is rectangular in shape, and an insulating rubber pad is provided on the left side of the clamping plate (225).

5. The E-Pad testing device according to claim 4, characterized in that: The test mechanism (4) includes a second cylinder (41), the second cylinder (41) is fixedly connected to the left side of the load-bearing frame (3), the right side of the second cylinder (41) is fixedly connected to a test base (42), the top of the test base (42) is fixedly connected to a slider (43), the top of the inner side of the slider (43) is slidably connected to the top of the load-bearing frame (3), the bottom of the test base (42) is provided with a mounting frame (44), the interior of the mounting frame (44) is threadedly connected to a first bolt (45), and the interior of the mounting frame (44) is slidably connected to the first bolt (45). A fixing frame (47) is connected, a second bolt (46) is connected to the interior of the fixing frame (47) through a thread, a spring pin (48) is slidably connected to the interior of the fixing frame (47), a fixing pin (49) is connected to the interior of the fixing frame (47) through a thread, the rear side of the fixing pin (49) is rotatably connected to a limiting plate (491), the limiting plate (491) is slidably connected to the interior of the fixing frame (47), the rear side of the limiting plate (491) is in contact with the periphery of the spring pin (48), and the spring pin (48) is slidably connected to the interior of the load-bearing frame (3).

6. The E-Pad testing device according to claim 5, characterized in that: The slider (43) passes through the interior of the load-bearing frame (3), a slide groove is provided at the top of the load-bearing frame (3), the inner top of the slider (43) is slidably connected to the slide groove, a movable groove is provided at the interior of the load-bearing frame (3), the spring pin (48) is slidably connected to the movable groove, and the top of the mounting frame (44) contacts the bottom of the test base (42).

7. The E-Pad testing device according to claim 5, characterized in that: The spring pin (48) passes through the interior of the test base (42); the fixing frame (47) and the test base (42) are respectively provided with limiting grooves, and the two limiting grooves correspond to each other; the spring pin (48) is slidably connected in the limiting grooves.