Golden finger fracture defect detection device

By designing a gold finger breakage detection device with LED lamp, detection probe and parallel circuit structure, the problem of difficult detection of gold finger damage in the FPC production line is solved, and the rapid identification and elimination of gold finger bad situations is achieved.

CN222618733UActive Publication Date: 2025-03-14TRULY SEMICON
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Patent Information

Application Number
CN202420068356.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-10
Publication Date
2025-03-14
Estimated Expiration
2034-01-10

AI Technical Summary

Technical Problem

During the production and inventory of existing FPC production lines, gold fingers are prone to damage and difficult to detect, making it difficult to identify bad products.

Method used

A detection device for detecting bad breakage of gold fingers is designed, including a housing, LED lamp, detection probe, connecting wires and resistors, and the resistance value of the gold finger is detected through a parallel circuit structure, and the detection result is indicated by the LED lamp.

Benefits of technology

This device can effectively detect the fracture of the FPC gold finger, and the LED light indicator is turned on and off, simplifying the detection process and improving the recognition rate of the bad products.

✦ Generated by Eureka AI based on patent content.

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Abstract

A golden finger fracture defect detection device comprises a golden finger detection device, the golden finger detection device comprises a shell, the bottom of the shell is fixedly connected with a grip, the right side of the front face of the shell is provided with an LED lamp, the left side and the right side of the top of the shell are both provided with connecting wires, and the connecting wires are connected with the grip. A detection probe is arranged on the side, away from the shell, of the connecting wire. According to the golden finger fracture defect detection device, the connecting wire, the detection probe, the LED lamp, the four resistors and the two detection points are designed in the golden finger detection device, and according to a circuit parallel connection structure among the four resistors, the two detection points and the LED lamp, when the TP1 / TP2 detection points are in contact with more than or equal to 50 ohms, the golden finger fracture defect detection device can detect the fracture defect of the golden finger. When the TP1 / TP2 detection point is in contact with less than 5 ohms, the divided voltage is conducted to lighten the LED lamp, and when the TP1 / TP2 detection point is in contact with less than 5 ohms, the divided voltage cannot lighten the LED lamp, so that the design can flexibly adjust the detection resistance value, and can detect any condition that the golden finger is broken and damaged, thereby selecting a damaged FPC (Flexible Printed Circuit).
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Description

Technical Field

[0001] The utility model relates to the technical field of gold finger detection, in particular to a gold finger breakage detection device. Background Art

[0002] At present, the gold fingers on the existing FPC production lines are very prone to damage when producing FPCs, and after the FPCs are produced and piled up in the warehouse, the FPCs will be crushed due to the stacking of cargo spaces. However, such hidden defects cannot be detected by module QC inspection alone. Some minor damages cannot be confirmed even under a magnifying glass. Therefore, it is necessary to design a gold finger damage detection device to specifically detect the gold fingers of PFC. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a gold finger breakage detection device.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A gold finger broken defect detection device comprises: a gold finger detection device, the gold finger detection device comprises a shell, a handle is fixedly connected to the bottom of the shell, an LED light is arranged on the right side of the front of the shell, connecting wires are arranged on the left and right sides of the top of the shell, and a detection probe is arranged on the side of the connecting wire away from the shell.

[0006] In one embodiment, the gold finger detection device includes four resistors, namely R1, R2, R3 and R4, wherein the resistance of resistor R1 is 1000 ohms, the resistance of resistor R2 is ≤5 ohms, the resistance of resistor R3 is 50 ohms, and the resistance of resistor R4 is ≥50 ohms.

[0007] In one embodiment, the gold finger detection device includes D2, the LED lamp is D2, and the LED lamp is connected in parallel with the resistor R1.

[0008] In one embodiment, the gold finger detection device includes two detection points TP1 and TP2, and the two detection probes are respectively connected in parallel with the resistor R1 and the LED lamp.

[0009] In one embodiment, a resistor R3 is connected in parallel on the line between the LED lamp D and TP1, and resistors R4 and R2 are external resistors to be tested between the TP1 test point and the TP2 test point, representing the FPC gold fingers to be tested.

[0010] In one embodiment, a non-slip rubber sleeve is sleeved on the handle, and the handle has an uneven curved shape.

[0011] In one embodiment, the connecting wires are soft wires, and two sides of the connecting wires away from the detection probes are electrically connected to the TP1 detection point and the TP2 detection point respectively.

[0012] In one of the embodiments, the LED lamp is arranged at the top of the right side of the front side of the shell, and the shape of the front side of the LED lamp is circular.

[0013] In one embodiment, the housing is a waterproof and impact-proof sealed structure.

[0014] In one embodiment, the length of the connecting wire is between 10 cm and 15 cm.

[0015] Compared with the prior art, the utility model has at least the following advantages:

[0016] The utility model discloses a gold finger broken defect detection device, through the connection wire, detection probe, LED lamp, four resistors and two detection points designed in the gold finger detection device, and according to the circuit parallel structure between the four resistors, the two detection points and the LED lamp, when the TP1 / TP2 detection point contacts ≥50 ohms, the divided voltage is turned on to light up the LED lamp, and when the TP1 / TP2 detection point contacts <5 ohms, the divided voltage cannot light up the LED lamp (see the attached drawings in the specification) Figure 2 The circuit diagram of the detection device is shown in the figure. The design can flexibly adjust the detection resistance value, and can detect any situation of gold finger damage, so as to select the damaged FPC and prevent defective products from flowing into the hands of customers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the overall structure of the front side of the gold finger broken defect detection device of the utility model;

[0019] Figure 2 The utility model is a schematic diagram of the circuit structure of the gold finger broken defect detection device during testing.

[0020] In the figure: 1. Gold finger detection device; 11. Shell; 12. LED light; 13. Handle; 14. Connecting wires; 15. Detection probe. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0022] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application 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 operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0023] Unless otherwise clearly stipulated and limited, terms such as "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] like Figure 1-2 As shown, a gold finger broken defect detection device comprises: a gold finger detection device 1, the gold finger detection device 1 comprises a shell 11, a handle 13 is fixedly connected to the bottom of the shell 11, an LED light 12 is arranged on the right side of the front of the shell 11, connecting wires 14 are arranged on both the left and right sides of the top of the shell 11, and a detection probe 15 is arranged on the side of the connecting wire 14 away from the shell 11. It should be noted that when the voltage of the gold finger detected by the detection probe 15 is ≥50 ohms (as shown in the attached manual), Figure 2 When the detected resistance is R4), the LED lamp 12 will light up, and when the voltage of the gold finger detected by the detection probe 15 is less than 5 ohms (as shown in the attached manual Figure 2When the detected resistor is R2, the LED lamp 12 will not light up, so the inspector can easily detect whether the gold finger of the PFC is damaged.

[0026] like Figure 1-2 As shown, in one embodiment, the gold finger detection device 1 includes four resistors, namely R1, R2, R3 and R4, wherein the resistance of the resistor R1 is 1000 ohms, the resistance of the resistor R2 is ≤5 ohms, the resistance of the resistor R3 is 50 ohms, and the resistance of the resistor R4 is ≥50 ohms. It should be noted that the resistors are arranged on a circuit board, and the circuit board is arranged in the inner cavity of the housing 11.

[0027] like Figure 1-2 As shown, in one embodiment, the gold finger detection device 1 includes D2, the LED lamp 12 is D2, and the LED lamp 12 is connected in parallel with the resistor R1. The gold finger detection device 1 includes two detection points TP1 and TP2, and two detection probes 15 are respectively connected in parallel with the resistor R1 and the LED lamp 12. A resistor R3 is connected in parallel on the line between TP1 and the LED lamp 12D2, and the resistor R4 and the resistor R2 are externally connected between the TP1 detection point and the TP2 detection point to be detected, representing the FPC gold finger being detected. It should be noted that this design method allows the gold finger detection device 1 to detect whether the gold finger of the FPC can be used normally.

[0028] like Figure 1-2 As shown in one embodiment, a non-slip rubber sleeve is sleeved on the handle 13, and the shape of the handle 13 is an uneven curved shape. It should be noted that this design can facilitate users to hold the device and carry it around.

[0029] like Figure 1-2 As shown, in one embodiment, the connecting wire 14 is a soft wire, and the two connecting wires 14 are electrically connected to the TP1 detection point and the TP2 detection point on the side away from the detection probe 15. The length of the connecting wire 14 is between 10cm and 15cm. It should be noted that this design can facilitate the staff to use the detection probe 15 to pull it to detect the FPC.

[0030] like Figure 1-2 As shown, in one embodiment, the LED lamp 12 is arranged at the top of the right side of the front of the housing 11, and the front of the LED lamp 12 is circular. The housing 11 is a sealed structure that is waterproof and anti-collision. It should be noted that this design can enhance the service life and safety of the gold finger detection device 1.

[0031] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A gold finger broken defect detection device, characterized in that: include: A gold finger detection device (1) comprises a shell (11), a handle (13) is fixedly connected to the bottom of the shell (11), an LED light (12) is arranged on the right side of the front of the shell (11), connecting wires (14) are arranged on both the left and right sides of the top of the shell (11), and a detection probe (15) is arranged on the side of the connecting wire (14) away from the shell (11).

2. The gold finger broken defect detection device according to claim 1, characterized in that: The gold finger detection device (1) comprises four resistors, namely R1, R2, R3 and R4, wherein the resistance value of the resistor R1 is 1000 ohms, the resistance value of the resistor R2 is ≤5 ohms, the resistance value of the resistor R3 is 50 ohms, and the resistance value of the resistor R4 is ≥50 ohms.

3. The gold finger broken defect detection device according to claim 1, characterized in that: The gold finger detection device (1) comprises D2, the LED lamp (12) is D2, and the LED lamp (12) is connected in parallel with the resistor R1.

4. The gold finger broken defect detection device according to claim 1, characterized in that: The gold finger detection device (1) comprises two detection points TP1 and TP2, and the two detection probes (15) are respectively connected in parallel with the resistor R1 and the LED lamp (12).

5. The gold finger broken defect detection device according to claim 1, characterized in that: A resistor R3 is connected in parallel on the circuit between the LED lamp (12) D2 and TP1, and the resistor R4 and the resistor R2 are resistors externally connected between the TP1 detection point and the TP2 detection point to be detected, representing the FPC gold finger to be detected.

6. The gold finger broken defect detection device according to claim 1, characterized in that: The handle (13) is sleeved with an anti-slip rubber sleeve, and the handle (13) has an uneven curved shape.

7. The gold finger broken defect detection device according to claim 1, characterized in that: The connecting wires (14) are soft wires, and the sides of the two connecting wires (14) away from the detection probes (15) are electrically connected to the TP1 detection point and the TP2 detection point respectively.

8. The gold finger broken defect detection device according to claim 1, characterized in that: The LED lamp (12) is arranged at the top of the right side of the front side of the housing (11), and the shape of the front side of the LED lamp (12) is circular.

9. The gold finger broken defect detection device according to claim 1, characterized in that: The housing (11) is a waterproof and collision-proof sealed structure.

10. The gold finger broken defect detection device according to claim 1, characterized in that: The length of the connecting wire (14) is between 10 cm and 15 cm.