Efficient PCB ICT integrated detection equipment
By using a non-contact displacement sensor and an automatic calibration system, the problem of testing instability caused by probe wear was solved, enabling efficient and accurate detection and automatic sorting and storage of circuit boards.
Patent Information
- Application Number
- CN202423066843.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-12
AI Technical Summary
In the long-term use of existing ICT testing equipment, probe wear and decreased positioning accuracy affect the stability and accuracy of testing, and it is impossible to monitor the small displacement of the probe in real time.
A non-contact displacement sensor is used to monitor the minute displacement of the probe in real time, and the probe position is automatically adjusted through a calibration system. Combined with the design of the conveying channel and baffle, the system can automatically classify and store qualified and unqualified circuit boards.
It improves the stability and accuracy of testing, enables automated probe calibration and intelligent classification and storage of circuit boards, and reduces manual intervention.
Smart Images

Figure CN223597739U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of circuit board detection, and particularly relates to efficient ICT integrated detection equipment for PCB (Printed Circuit Board) circuit board. BACKGROUND
[0002] At present, ICT (In-Circuit Test) detection equipment is widely used in the electronic manufacturing industry, and is used for detecting the electrical performance and connection condition of circuit board components. The existing ICT detection equipment usually comprises a test needle bed, a control system and a data analysis unit, and can realize rapid and accurate testing of the circuit board.
[0003] Although the existing ICT detection equipment is powerful, in the long-term use process, the wear and positioning accuracy of the probe become the key problems affecting the stability and accuracy of the test, and the existing structure cannot monitor the small displacement and wear of the probe in real time, thereby affecting the stability and accuracy of the test. CONTENT OF THE UTILITY MODEL
[0004] In view of the defects of the prior art, the efficient ICT integrated detection equipment for PCB circuit board is provided, which overcomes the defects of the prior art and aims to solve the problems in the background art.
[0005] In order to achieve the above purpose, the following technical scheme is adopted: the efficient ICT integrated detection equipment for PCB circuit board comprises a frame, a conveying belt is fixedly installed on the inner wall of the frame, a gas cylinder is fixedly installed on the top of the frame, a fixed disc is fixedly connected to the output end of the gas cylinder, a motor is fixedly connected to the bottom of the fixed disc, a moving disc is fixedly connected to the output end of the motor, three probes are uniformly distributed on the bottom of the moving disc, a non-contact displacement sensor is fixedly installed on the bottom of the moving disc, a conveying channel is fixedly connected to the inner side of the frame, a cover plate is fixedly installed on the top of the conveying channel, a sliding groove is formed in the top of the cover plate, a baffle is rotatably connected to the inner wall of the conveying channel through a rotating shaft, a motor is fixedly installed on the top of the cover plate, one side of a rotating piece is fixedly connected to the output shaft of the motor, and a rotating rod is fixedly connected to the bottom of the side of the rotating piece away from the motor.
[0006] As a preferred embodiment, four bases are fixedly installed on the bottom of the frame in a symmetrical manner, and rubber anti-skid strips are fixedly installed on the bottom of the four bases.
[0007] By adopting the above technical scheme, the device can be stably placed on the ground position, and the device is prevented from easily shaking and deviating in position during operation.
[0008] As a preferred implementation, the conveying channel comprises a qualified product channel and a unqualified product channel arranged symmetrically, and the bottom of the conveying channel is in sliding connection with the top of the conveying belt.
[0009] By adopting the above technical solution, the PCB circuit board placed on the top of the conveying belt after being detected by the probe can be diverted into two different channels according to the detection data, thereby facilitating the classification and storage of qualified and unqualified PCB circuit boards.
[0010] As a preferred implementation, the top of the rotating shaft is fixedly installed with a disc, the bottom of the disc is in abutment with the top of the cover plate, the rotating shaft is fixedly connected to the inner wall of the conveying channel, and the baffle is rotatably connected to the outer edge of the rotating shaft.
[0011] By adopting the above technical solution, the stability of the baffle when rotating on the inner wall of the conveying channel can be ensured, and the baffle will not easily come off when rotating.
[0012] As a preferred implementation, the bottom of the rotating rod is fixedly connected between the baffle, and the rotating rod is rotatably connected to the inner wall of the chute.
[0013] By adopting the above technical solution, the rotation of the rotating piece driven by the driving motor can drive the baffle to rotate on the inner wall of the conveying channel, thereby adjusting the baffle to be in an inclined state, so that the qualified product channel or the unqualified product channel can be sealed, and the classification and storage of the qualified or unqualified PCB circuit boards after detection can be ensured.
[0014] As a preferred implementation, the non-contact displacement sensor is in the same plane as the three probes, and the fixed disc, the motor, the moving disc, the probes, and the non-contact displacement sensor are arranged on the inner wall of the frame.
[0015] By adopting the above technical solution, the non-contact displacement sensor can be used to monitor the slight displacement of the probe in real time, and when the position deviation of the probe is detected to exceed the preset threshold, the calibration system automatically adjusts the position of the probe by driving the moving disc to rotate driven by the motor, ensuring accurate alignment with the test points of the PCB circuit board, so that the defective probe can be replaced and maintained.
[0016] As a preferred implementation, the baffle is arranged at the middle position of the conveying channel.
[0017] By adopting the above technical solution, the qualified product channel or the unqualified product channel can be intercepted after rotation, and the qualified or unqualified PCB circuit board can be ensured to enter the corresponding channel, thereby facilitating storage.
[0018] As a preferred implementation, the inner cavity of the qualified product channel and the unqualified product channel can be installed with a curved conveying belt.
[0019] By adopting the technical scheme, the qualified or unqualified PCB circuit board entering the inner cavity of the qualified product channel or the unqualified product channel can be conveyed into the storage structure without manual taking by workers.
[0020] The beneficial effects of the present application are as follows:
[0021] 1. The high-efficiency PCB circuit board ICT integrated detection equipment, through the non-contact displacement sensor, the small displacement of the probe is monitored in real time, when the probe position deviation is detected to exceed the preset threshold, the calibration system automatically adjusts the probe position by driving the motor to drive the moving disc to rotate, ensuring the accurate alignment with the test points of the PCB circuit board, so that the defective probe can be replaced and maintained, thereby greatly improving the stability and accuracy of the test.
[0022] 2. The high-efficiency PCB circuit board ICT integrated detection equipment, by driving the motor to drive the rotating piece to rotate, the baffle can be driven to rotate on the inner wall of the conveying channel through the rotating rod, and then the baffle is adjusted to be in an inclined state, so that the qualified product channel or the unqualified product channel can be sealed, and the classified storage of the qualified or unqualified PCB circuit board after detection is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;
[0024] Figure 2 is a schematic diagram of the cross-sectional structure of the support of the present application;
[0025] Figure 3 is a schematic diagram of the local structure of the present application;
[0026] Figure 4 is a schematic diagram of the local enlarged display structure of the present application.
[0027] In the figure, 1 is a frame, 2 is a base, 3 is a conveying belt, 4 is an air cylinder, 5 is a fixed disc, 6 is a motor, 7 is a moving disc, 8 is a probe, 9 is a non-contact displacement sensor, 10 is a conveying channel, 1001 is a qualified product channel, 1002 is an unqualified product channel, 11 is a cover plate, 12 is a sliding groove, 13 is a baffle, 14 is a rotating shaft, 15 is a disc, 16 is a motor, 17 is a rotating piece, and 18 is a rotating rod. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.
[0029] Reference Figures 1-4, efficient PCB ICT integrated detection equipment, including frame 1, the inner wall of frame 1 is fixedly installed with conveying belt 3, the top of frame 1 is fixedly installed with air cylinder 4, the output end of air cylinder 4 is fixedly connected with fixed disc 5, the bottom of fixed disc 5 is fixedly connected with motor 6, the output end of motor 6 is fixedly connected with moving disc 7, three probes 8 are uniformly distributed on the bottom of moving disc 7, non-contact displacement sensor 9 is fixedly installed on the bottom of moving disc 7, conveying channel 10 is fixedly connected on the inner side of frame 1, cover plate 11 is fixedly installed on the top of conveying channel 10, sliding groove 12 is formed in the top of cover plate 11, conveying channel 10 is rotatably connected with baffle 13 through rotating shaft 14, motor 16 is fixedly installed on the top of cover plate 11, one side of rotating sheet 17 is fixedly connected with the output shaft of motor 16, rotating rod 18 is fixedly connected with the bottom of the side, away from motor 16, of rotating sheet 17, conveying belt 3 can be used for conveying the PCB to be detected, ensuring that it can be automatically moved to the position below the probe 8, so that manual operation of the staff is not required, and the intelligence of the device is improved.
[0030] Referring to Figure 1 and Figure 2 , four bases 2 are fixedly installed on the bottom of frame 1 in a symmetrical manner, and rubber antiskid strips are fixedly installed on the bottom of the four bases 2, so that the device can be stably placed on the ground, ensuring that the device will not easily shake and deviate in position during operation.
[0031] Referring to Figure 4 , conveying channel 10 includes qualified product channel 1001 and unqualified product channel 1002 arranged in a symmetrical manner, and the bottom of conveying channel 10 is slidably connected with the top of conveying belt 3, so that the PCB circuit board placed on the top of conveying belt 3 after detection by probe 8 can be shunted into two different channels according to the detection data, thereby facilitating the classification and storage of qualified and unqualified PCB circuit boards.
[0032] Referring to Figure 4 , disc 15 is fixedly installed on the top of rotating shaft 14, the bottom of disc 15 is fitted with the top of cover plate 11, rotating shaft 14 is fixedly connected with the inner wall of conveying channel 10, and baffle 13 is rotatably connected with the outer edge of rotating shaft 14, so that the stability of baffle 13 during rotation on the inner wall of conveying channel 10 can be ensured, and it will not easily come off during rotation.
[0033] Referring to Figure 4The bottom of the rotating rod 18 is fixedly connected with the baffle 13, and the rotating rod 18 is rotationally connected to the inner wall of the chute 12, so that the driving motor 16 drives the rotating piece 17 to rotate to drive the baffle 13 to rotate on the inner wall of the conveying channel 10, thereby adjusting the baffle 13 to be in an inclined state, so that the qualified product channel 1001 or the unqualified product channel 1002 can be sealed, and the classified storage of the qualified or unqualified PCB circuit board after detection is ensured.
[0034] Referring to Figure 3 The non-contact displacement sensor 9 is in the same plane as the three probes 8, the fixed disc 5, the motor 6, the moving disc 7, the probe 8 and the non-contact displacement sensor 9 are all arranged on the inner wall of the frame 1, so that the non-contact displacement sensor 9 can be used to monitor the small displacement of the probe 8 in real time, when the position deviation of the probe 8 is detected to exceed the preset threshold, the calibration system automatically adjusts the position of the probe 8 by driving the motor 6 to drive the moving disc 7 to rotate, so as to ensure the accurate alignment of the probe 8 with the test point of the PCB circuit board, thereby the defective probe 8 can be replaced and maintained.
[0035] Referring to Figure 4 The baffle 13 is arranged at the middle position of the conveying channel 10, so that after rotation, the qualified product channel 1001 or the unqualified product channel 1002 can be intercepted, and the qualified or unqualified PCB circuit board can enter the corresponding channel, which is convenient for storage.
[0036] Referring to Figure 4 The inner cavity of the qualified product channel 1001 and the unqualified product channel 1002 can be provided with a curved conveying belt, so that the qualified or unqualified PCB circuit board entering the inner cavity of the qualified product channel 1001 or the unqualified product channel 1002 can be conveyed into the storage structure without manual taking by the staff.
[0037] Working principle: when using the device, first, the PCB circuit board to be detected can be placed on the top of the conveying belt 3, then the conveying belt 3 can be driven to run and move the PCB circuit board to the position below the probe 8, then the fixed disc 5 and the moving disc 7 can be driven downward by the air cylinder 4, and the PCB circuit board is tested by the probe 8, then the non-contact displacement sensor 9 can be used to monitor the small displacement of the probe 8 in real time, when the position deviation of the probe 8 is detected to exceed the preset threshold, the calibration system automatically adjusts the position of the probe 8 by driving the motor 6 to drive the moving disc 7 to rotate, so as to ensure the accurate alignment of the probe 8 with the test points of the PCB circuit board, so that the defective probe 8 can be replaced and maintained, then according to the detected data, the motor 16 can be driven to rotate the rotating piece 17, the baffle 13 can be driven to rotate on the inner wall of the conveying channel 10 through the rotating rod 18, and then the baffle 13 is adjusted to be in an inclined state, so that the qualified product channel 1001 or the unqualified product channel 1002 can be sealed, and the classified storage of the qualified or unqualified PCB circuit boards after detection is ensured.
[0038] In the description of the present application, it should be pointed out that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the application. The application. In addition, the terms "first" and "second" are for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0039] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.
[0040] The present application has been described above in conjunction with specific embodiments, but those skilled in the art should understand that these descriptions are exemplary and not limiting the scope of protection of the present application. Those skilled in the art can make various modifications and changes to the present application according to the spirit and principles of the present application, and these modifications and changes are also within the scope of the present application.
Claims
1. A high-efficiency PCB circuit board ICT integrated testing equipment, comprising a frame (1), characterized in that, A conveyor belt (3) is fixedly installed on the inner wall of the frame (1). A cylinder (4) is fixedly installed on the top of the frame (1). A fixed disk (5) is fixedly connected to the output end of the cylinder (4). A motor (6) is fixedly connected to the bottom of the fixed disk (5). A moving disk (7) is fixedly connected to the output end of the motor (6). Three probes (8) are evenly distributed on the bottom of the moving disk (7). A non-contact displacement sensor (9) is fixedly installed on the bottom of the moving disk (7). The inner side of the frame (1) is fixedly... A conveying channel (10) is connected, and a cover plate (11) is fixedly installed on the top of the conveying channel (10). A groove (12) is opened on the top of the cover plate (11). A baffle (13) is rotatably connected to the inner wall of the conveying channel (10) through a rotating shaft (14). A motor (16) is fixedly installed on the top of the cover plate (11). The output shaft of the motor (16) is fixedly connected to one side of a rotating plate (17). A rotating rod (18) is fixedly connected to the bottom of the side of the rotating plate (17) away from the motor (16).
2. The high-efficiency PCB circuit board ICT integrated testing equipment according to claim 1, characterized in that, The bottom of the frame (1) is symmetrically fixed with four bases (2), and the bottom of each of the four bases (2) is fixed with rubber anti-slip strips.
3. The high-efficiency PCB circuit board ICT integrated testing equipment according to claim 1, characterized in that, The conveying channel (10) includes a qualified product channel (1001) and a non-qualified product channel (1002) arranged symmetrically, and the bottom of the conveying channel (10) is slidably connected to the top of the conveyor belt (3).
4. The high-efficiency PCB circuit board ICT integrated testing equipment according to claim 1, characterized in that, A disc (15) is fixedly installed on the top of the rotating shaft (14), the bottom of the disc (15) is in contact with the top of the cover plate (11), the rotating shaft (14) is fixedly connected to the inner wall of the conveying channel (10), and the baffle (13) is rotatably connected to the outer edge of the rotating shaft (14).
5. The high-efficiency PCB circuit board ICT integrated testing equipment according to claim 1, characterized in that, The bottom of the rotating rod (18) is fixedly connected to the baffle (13), and the rotating rod (18) is rotatably connected to the inner wall of the slide groove (12).
6. The high-efficiency PCB circuit board ICT integrated testing equipment according to claim 1, characterized in that, The non-contact displacement sensor (9) and the three probes (8) are on the same plane. The fixed disk (5), motor (6), moving disk (7), probes (8) and non-contact displacement sensor (9) are all located on the inner wall of the frame (1).
7. The high-efficiency PCB circuit board ICT integrated testing equipment according to claim 1, characterized in that, The baffle (13) is located in the middle of the conveying channel (10).
8. The high-efficiency PCB circuit board ICT integrated testing equipment according to claim 3, characterized in that, The inner cavity of the qualified product channel (1001) and the unqualified product channel (1002) can be fitted with a curved conveyor belt.