Fingerprint module impedance automatic test mechanism

By designing automated module movement and testing components, the problems of inefficient and high damage rate of fingerprint modules are solved, and efficient and accurate automated testing is achieved.

CN222812885UActive Publication Date: 2025-04-29LUZHOU HEDAYUAN ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202420730234.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2025-04-29
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

In the prior art, the impedance testing of fingerprint modules relies on manual operation, is inefficient and easily leads to damage to the module detection.

Method used

An automatic test mechanism for impedance of fingerprint modules is designed, using module moving components and test components, and the automatic movement and impedance testing of the modules are achieved through motor drive and transmission belt sliding. The test pins are precisely contacted and protected by electric telescopic rods and buffer rods.

Benefits of technology

Automatic testing of fingerprint module impedance is realized, testing efficiency is improved, manual operation errors are reduced, and module detection damage rate is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of testing devices, in particular to a fingerprint module impedance automatic testing mechanism which comprises a base, four bottom feet are fixedly connected to the lower end of the base, supporting plates are fixedly connected to the upper portions of the left end and the right end of the base, and sliding grooves are formed in the upper ends of the two supporting plates in a penetrating mode. Two sliding grooves are formed in the upper end of the base, a module moving assembly is jointly and slidably installed in the two sliding grooves, five placing bases are fixedly connected to the rear portion of the upper end of the base, a fixing plate is fixedly connected to the rear end of the base, two first fixing holes are formed in the front end of the fixing plate in a penetrating mode, and a testing assembly is jointly and fixedly installed in the two first fixing holes. According to the fingerprint module impedance automatic test mechanism provided by the utility model, the module moving assembly is arranged, so that the purposes of automatically controlling the movement of the module and improving the working efficiency of workers are achieved; by arranging the test assembly, the purposes of rapidly testing the impedance of the fingerprint module and reducing the detection damage rate of the module are achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of testing devices, in particular to an automatic testing mechanism for fingerprint module impedance. Background Art

[0002] With the development of electronic technology, more and more mobile terminals have adopted fingerprint recognition technology. Compared with traditional digital passwords or nine-square passwords, fingerprint recognition technology has better security and a faster experience.

[0003] Therefore, this also brings opportunities and challenges to fingerprint module packaging companies. How to improve product performance and production efficiency is a problem they need to care about. In each process of fingerprint module packaging, fingerprint module function testing is very critical. At present, the impedance test of fingerprint modules is usually measured manually with two test leads of a multimeter, which is inefficient. Therefore, we propose an automatic fingerprint module impedance test mechanism. Utility Model Content

[0004] The main purpose of the utility model is to provide a fingerprint module impedance automatic testing mechanism, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A fingerprint module impedance automatic testing mechanism comprises a base, wherein the lower end of the base is fixedly connected with four bottom feet, the upper parts of the left and right ends of the base are fixedly connected with support plates, the upper ends of the two support plates are penetrated with slide grooves, the two slide grooves are jointly slidably installed with a module moving component, the upper rear part of the base is fixedly connected with five placement seats, the rear end of the base is fixedly connected with a fixing plate, the front end of the fixing plate is penetrated with two first fixing holes, and the two first fixing holes are jointly fixedly installed with a test component.

[0007] Preferably, the module moving component includes a motor and a driven wheel, and two of the motor and driven wheels are provided, the output ends of the two motors are fixedly connected to the driving wheels, the outer surfaces of the two driving wheels and the corresponding driven wheels are jointly slidably installed with transmission belts, the outer surfaces of the two transmission belts are fixedly condensed with sliders, the upper ends of the two sliders are fixedly connected to connecting rods, the opposite ends of the two connecting rods are jointly fixedly installed with a fixing frame, the rear end of the fixing frame is fixedly connected to five baffles, and the rear ends of the five baffles are fixedly connected to a storage table.

[0008] Preferably, the diameter of the driving wheel is equal to the diameter of the driven wheel, the five baffles are distributed with equal distances in the transverse direction, and the size of the slider is matched with the size of the transmission belt.

[0009] Preferably, the positions and sizes of the five storage tables correspond to those of the five placement seats, and the size of the sliding block corresponds to that of the sliding groove.

[0010] Preferably, the test assembly includes a connecting plate, the front end of the connecting plate is penetrated by two second fixing holes, the upper front end of the connecting plate is fixedly connected to a top plate, the lower end of the top plate is fixedly connected to five electric telescopic rods, the output ends of the five electric telescopic rods are fixedly connected to a first mounting plate, the lower ends of the five first mounting plates are fixedly connected to four buffer rods, the lower ends of the four buffer rods in the same group are commonly fixedly mounted with a second mounting plate, and the lower ends of the five second mounting plates are fixedly connected to two test pins.

[0011] Preferably, the positions and sizes of the two second fixing holes are matched with the two first fixing holes, and the positions and sizes of the five second mounting plates are matched with the five placement seats.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The utility model sets a module moving component, places the module to be tested on the upper end of the storage table, starts two motors, and both motors drive the corresponding driving wheels to rotate. The driving wheels and the corresponding driven wheels drive the transmission belt to slide at the same time, so that the slider fixedly connected to its outer surface slides in the slide groove, pushes the storage table toward the placement seat, and finally overlaps with the position of the placement seat, and the storage table limits its position through the baffle, so as to achieve the purpose of automatically controlling the movement of the module and improving the work efficiency of workers;

[0014] 2. The utility model sets a test component, makes the positions of the two second fixing holes correspond to the positions of the two first fixing holes, and fixes the test component to the front end of the fixing plate. At this time, the position of the test needle corresponds to the position of the placement seat, starts the electric telescopic rod, and the output end of the electric telescopic rod drives the first mounting plate to drop as a whole, and finally drives the test needle to contact the upper end of the material. The positive and negative test needles act at the same time to test the impedance, and the test needle uses the buffer rod for buffering, which can effectively prevent damage to the material, so as to achieve the purpose of quickly testing the fingerprint module impedance and reducing the module detection damage rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of an automatic impedance testing mechanism for a fingerprint module of the utility model;

[0016] Figure 2 This is a structural schematic diagram of a fixing component of an automatic impedance testing mechanism for a fingerprint module of the utility model;

[0017] Figure 3This is a schematic diagram of the structure of a fingerprint module impedance automatic testing mechanism module moving component of the utility model;

[0018] Figure 4 The utility model is a structural schematic diagram of a test component of a fingerprint module impedance automatic test mechanism.

[0019] In the figure: 1. base; 2. foot; 3. support plate; 4. placement seat; 5. fixed plate; 31. slide groove; 51. first fixing hole; 6. module moving component; 7. test component; 61. motor; 62. driving wheel; 63. driven wheel; 64. transmission belt; 65. slider; 66. connecting rod; 67. fixed frame; 68. baffle; 69. storage table; 71. connecting plate; 72. second fixing hole; 73. top plate; 74. electric telescopic rod; 75. first mounting plate; 76. buffer rod; 77. second mounting plate; 78. test needle. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] like Figure 1-4As shown, a fingerprint module impedance automatic testing mechanism includes a base 1, the lower end of the base 1 is fixedly connected with four bottom feet 2, the upper parts of the left and right ends of the base 1 are fixedly connected with support plates 3, the upper ends of the two support plates 3 are penetrated with slide grooves 31, the two slide grooves 31 are jointly slidably installed with a module moving component 6, the upper rear part of the base 1 is fixedly connected with five placement seats 4, the rear end of the base 1 is fixedly connected with a fixing plate 5, the front end of the fixing plate 5 is penetrated with two first fixing holes 51, and the two first fixing holes 51 are jointly fixedly installed with a test component 7.

[0024] like Figure 3 As shown, in this embodiment, the module moving component 6 includes a motor 61 and a driven wheel 63, and two motors 61 and two driven wheels 63 are provided. The output ends of the two motors 61 are fixedly connected to the driving wheels 62, and the outer surfaces of the two driving wheels 62 and the corresponding driven wheels 63 are slidably installed with a transmission belt 64. The outer surfaces of the two transmission belts 64 are fixedly condensed with sliders 65, and the upper ends of the two sliders 65 are fixedly connected to the connecting rods 66, and the opposite ends of the two connecting rods 66 are fixedly installed with a fixing frame 67. The rear end of the fixing frame 67 is fixedly connected to five baffles 68, and the rear ends of the five baffles 68 are fixedly connected to a storage table 69. The diameter of the driving wheel 62 is equal to the diameter of the driven wheel 63, and the five baffles 68 are horizontally equidistant. The size of the slider 65 is matched with the size of the transmission belt 64, the five storage tables 69 are matched with the positions and sizes of the five placement seats 4, and the size of the slider 65 is matched with the size of the slide groove 31; when the module needs to be moved to the detection position, the module to be detected is placed on the upper end of the storage table 69, and the two motors 61 are started. The two motors 61 both drive the corresponding driving wheels 62 to rotate, and the driving wheels 62 and the corresponding driven wheels 63 drive the transmission belt 64 to slide at the same time, so that the slider 65 fixed on its outer surface slides in the slide groove 31, pushing the storage table 69 toward the direction of the placement seat 4, and finally coinciding with the position of the placement seat 4, and the storage table 69 limits its position through the baffle 68, and automatically controls the movement of the module.

[0025] like Figure 4As shown, in this embodiment, the test assembly 7 includes a connecting plate 71, the front end of the connecting plate 71 is penetrated by two second fixing holes 72, the upper front end of the connecting plate 71 is fixedly connected to a top plate 73, the lower end of the top plate 73 is fixedly connected to five electric telescopic rods 74, the output ends of the five electric telescopic rods 74 are fixedly connected to a first mounting plate 75, the lower ends of the five first mounting plates 75 are fixedly connected to four buffer rods 76, the lower ends of the four buffer rods 76 in the same group are fixedly installed with a second mounting plate 77, the lower ends of the five second mounting plates 77 are fixedly connected to two test pins 78, and the positions and sizes of the two second fixing holes 72 correspond to those of the two first fixing holes 51. Adaptation, the positions and sizes of the five second mounting plates 77 correspond to the five placement seats 4; when the module needs to be tested, the two second fixing holes 72 are matched with the positions of the two first fixing holes 51, so that the test component 7 is fixedly connected to the front end of the fixing plate 5. At this time, the position of the test needle 78 corresponds to the position of the placement seat 4, and the electric telescopic rod 74 is started. The output end of the electric telescopic rod 74 drives the first mounting plate 75 to descend as a whole, and finally drives the test needle 78 to contact the upper end of the material. The positive and negative test needles 78 act at the same time to test the impedance, and the test needle 78 is buffered by the buffer rod 76, which can effectively prevent damage to the material and quickly test the impedance of the fingerprint module.

[0026] It should be noted that the utility model is an automatic test mechanism for impedance of a fingerprint module. In this process, the base 1 is first placed in a suitable position through the four feet 2. When the module needs to be moved to the detection position, the module to be detected is placed on the upper end of the storage table 69, and the two motors 61 are started. The two motors 61 drive the corresponding driving wheels 62 to rotate, and the driving wheels 62 and the corresponding driven wheels 63 drive the transmission belt 64 to slide at the same time, so that the slider 65 fixedly connected to its outer surface slides in the slide groove 31, pushing the storage table 69 toward the placement seat 4, and finally coinciding with the position of the placement seat 4, and the storage table 69 passes through the block The plate 68 limits its position and automatically controls the movement of the module. When the module needs to be tested, the two second fixing holes 72 are aligned with the positions of the two first fixing holes 51, so that the test component 7 is fixedly connected to the front end of the fixing plate 5. At this time, the position of the test needle 78 corresponds to the position of the placement seat 4. The electric telescopic rod 74 is started, and the output end of the electric telescopic rod 74 drives the first mounting plate 75 to descend as a whole, and finally drives the test needle 78 to contact the upper end of the material. The positive and negative test needles 78 act at the same time to test the impedance, and the test needle 78 is buffered by the buffer rod 76, which can effectively prevent damage to the material and quickly test the impedance of the fingerprint module.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A fingerprint module impedance automatic testing mechanism, comprising a base (1), characterized in that: The lower end of the base (1) is fixedly connected to four feet (2), the upper parts of the left and right ends of the base (1) are fixedly connected to support plates (3), the upper ends of the two support plates (3) are penetrated with a slide groove (31), the two slide grooves (31) are jointly slidably mounted with a module moving component (6), the upper rear part of the base (1) is fixedly connected to five placement seats (4), the rear end of the base (1) is fixedly connected to a fixing plate (5), the front end of the fixing plate (5) is penetrated with two first fixing holes (51), and the two first fixing holes (51) are jointly fixedly mounted with a test component (7); The module moving component (6) comprises a motor (61) and a driven wheel (63), wherein two motors (61) and two driven wheels (63) are provided, and the output ends of the two motors (61) are fixedly connected to driving wheels (62), and the outer surfaces of the two driving wheels (62) and the corresponding driven wheels (63) are slidably mounted with transmission belts (64), and the outer surfaces of the two transmission belts (64) are fixedly condensed with sliders (65), and the upper ends of the two sliders (65) are fixedly connected to connecting rods (66), and the opposite ends of the two connecting rods (66) are fixedly mounted with a fixing frame (67), and the rear end of the fixing frame (67) is fixedly connected to five baffles (68), and the rear ends of the five baffles (68) are fixedly connected to a storage table (69).

2. The fingerprint module impedance automatic testing mechanism according to claim 1, characterized in that: The diameter of the driving wheel (62) is equal to the diameter of the driven wheel (63), the five baffles (68) are distributed in a lateral and equidistant manner, and the size of the slider (65) is matched with the size of the transmission belt (64).

3. The fingerprint module impedance automatic testing mechanism according to claim 1, characterized in that: The positions and sizes of the five storage tables (69) correspond to those of the five placement seats (4), and the size of the sliding block (65) corresponds to that of the sliding groove (31).

4. The fingerprint module impedance automatic testing mechanism according to claim 1, characterized in that: The test assembly (7) comprises a connecting plate (71), the front end of the connecting plate (71) is penetrated by two second fixing holes (72), the upper part of the front end of the connecting plate (71) is fixedly connected to a top plate (73), the lower end of the top plate (73) is fixedly connected to five electric telescopic rods (74), the output ends of the five electric telescopic rods (74) are all fixedly connected to a first mounting plate (75), the lower ends of the five first mounting plates (75) are all fixedly connected to four buffer rods (76), the lower ends of the four buffer rods (76) in the same group are commonly fixedly mounted with a second mounting plate (77), and the lower ends of the five second mounting plates (77) are all fixedly connected to two test pins (78).

5. The fingerprint module impedance automatic testing mechanism according to claim 4, characterized in that: The positions and sizes of the two second fixing holes (72) and the two first fixing holes (51) are adapted to each other, and the positions and sizes of the five second mounting plates (77) and the five placement seats (4) are adapted to each other.