FTU automatic detection device and method

Abstract

An FTU automatic detection device comprises a first conveying mechanism and a second conveying mechanism. The device further comprises an FTU tray, the FTU tray comprises a switching box capable of rotating in a horizontal plane, the switching box is detachably connected with an FTU terminal placed above the switching box through a switching cable, and a connecting contact is arranged on the side face of the switching box. The second conveying mechanism is sequentially provided with a plurality of selective conveying mechanisms in the length direction. A detection mechanism is arranged at the position, corresponding to the selective conveying mechanism, of one side of the second conveying mechanism, a telescopic mechanism is fixed to the end, away from the second conveying mechanism, of the detection mechanism, and the output end of the telescopic mechanism faces the selective conveying mechanism and is provided with a probe assembly. And the probe blocking piece corresponds to the position of the connecting contact of the switching box and is connected to the detector. After the FTU terminal is placed on the FTU tray, the FTU terminal can be automatically conveyed and detected in other processes, the efficiency is higher, and the automatic detection method is synchronously provided.

Description

Technical Field

[0001] The present invention relates to the technical field of FTU detection, and specifically provides an FTU automatic detection device and method. Background Art

[0002] In traditional FTU detection, manual detection is a common method, but there are many drawbacks. The items that need to be carried out in conventional manual detection include:

[0003] Electrical performance detection: Detect the voltage and current accuracy of the FTU. The operator needs to use professional multimeters and other equipment to measure the voltage and current of each of the A, B, and C phases one by one and record the data. Since the test leads need to be frequently plugged and unplugged during the operation, and there are certain errors in manual reading, it is very easy to cause inaccurate measurement results;

[0004] Communication function detection: Test whether the communication between the FTU and the master station is normal, including the compatibility of communication protocols, the accuracy of data transmission, etc. The operator needs to manually configure communication parameters and send and receive test data. This process is not only cumbersome but also easily interfered by human factors;

[0005] Protection function detection: Simulate various fault conditions to detect whether the protection action of the FTU is accurate and timely. For example, simulate short-circuit faults, overcurrent faults, etc., and observe whether the FTU can correctly issue protection signals. When operating manually, it is necessary to manually set fault parameters and trigger faults, and it is difficult to accurately control the time and intensity of fault occurrence, resulting in low reliability of the detection results;

[0006] Function module stability detection: Test each function module of the FTU. The operator needs to record a large amount of data. This repetitive monitoring work is likely to cause operator fatigue, thus increasing the risk of missed detection and misjudgment;

[0007] Conventional FTU detection automation equipment is not comprehensive enough. The transfer between each detection item and the harness switching rely too much on manual operation, with low efficiency and easy to make mistakes; existing detection equipment has a single function and lacks integrated test capabilities. At the same time, due to the special shape of the FTU and many interfaces, traditional equipment cannot achieve automated flow operation detection, which greatly limits the FTU detection efficiency and is a decisive factor for the low production capacity of FTU. Summary of the Invention

[0008] To solve the problem that the above-mentioned conventional FTU detection automation equipment is not comprehensive enough and lacks automated linkage, the present invention provides an FTU automatic detection device and method.

[0009] The technical solution of the present invention is as follows:

[0010] An FTU automatic detection device includes a first conveyor mechanism and a second conveyor mechanism that are arranged in sequence and operate independently.

[0011] It also includes an FTU tray that can move on the first conveyor mechanism and the second conveyor mechanism. The FTU tray includes a transfer box that can rotate in a horizontal plane, and the transfer box is detachably connected to the FTU terminal placed above it through a transfer cable. Connection contacts are provided on the side of the transfer box.

[0012] A plurality of selective conveyor mechanisms are arranged in sequence along the length direction of the second conveyor mechanism. The height of the conveying plane of the selective conveyor mechanism can be adjusted, and the conveying direction is perpendicular to the second conveyor mechanism.

[0013] On one side of the second conveyor mechanism, a detection mechanism is provided at the corresponding position of the selective conveyor mechanism. The upper surface of the detection mechanism is a plane and can accommodate the movement of the FTU tray. A telescopic mechanism is fixed at one end of the detection mechanism away from the second conveyor mechanism. The output end of the telescopic mechanism faces the selective conveyor mechanism and is provided with a probe assembly. The probe assembly corresponds to the connection contacts of the transfer box and is connected to a detector.

[0014] Except for the operation of placing the FTU terminal on the FTU tray by the staff, other processes are automatically conveyed and detected between different mechanisms, with higher efficiency.

[0015] As a preferred solution, the single - rotation angle of the transfer box relative to the FTU turntable is fixed and is 90°.

[0016] For the convenience of detection operations, the orientation of the connection contacts can only be perpendicular or parallel to the length direction of the second conveyor mechanism.

[0017] The specific structure of the above - mentioned selective conveyor mechanism is that the selective conveyor mechanism includes a jacking base. An elevating platform is arranged above the jacking base, and a horizontal translation track is arranged above the elevating platform. The translation track can move within a height range higher and lower than the first conveyor mechanism and the second conveyor mechanism.

[0018] The way to realize the movement of the FTU tray is that the detection mechanism also includes an external - push telescopic device arranged at one end away from the second conveyor mechanism, and the distance between the output end of the external - push telescopic device and the second conveyor mechanism can be less than the distance between the probe assembly and the second conveyor mechanism.

[0019] For the convenience of adjusting the position of the FTU tray, a fixture is provided on the side of the detection mechanism perpendicular to the length direction of the second conveyor mechanism, and the fixture can move along the length direction of the second conveyor mechanism.

[0020] As a preferred solution, a selective transfer mechanism is provided between the first transfer mechanism and the second transfer mechanism, and the FTU tray is transferred between the two transfer mechanisms through the selective transfer mechanism. When the FTU enters the second transfer mechanism, the connection contact is arranged towards the detection mechanism.

[0021] In order to limit the FTU tray, the second transfer mechanism also sets selective stoppers between two adjacent selective transfer mechanisms, and the blocking wheels of the selective stoppers can freely move within the height range above and below the transfer plane of the second transfer mechanism.

[0022] In order to conveniently obtain the position information of the FTU tray, the detection mechanism, the first transfer mechanism, and the second transfer mechanism are respectively provided with a first sensor, a second sensor, and a third sensor for detecting the FTU tray.

[0023] An FTU automatic detection method uses the above-mentioned FTU automatic detection device and includes the following steps:

[0024] S1. Place the FTU terminal on the FTU tray and connect it through a transfer cable.

[0025] S2. Transfer the FTU tray to the second transfer mechanism through the first transfer mechanism, and selectively limit the position of the FTU tray through the selective stopper after the second sensor sends a signal.

[0026] S3. Move the FTU tray to the detection mechanism through the selective transfer mechanism, and extend the probe stopper of the detection mechanism through the telescopic mechanism to make it contact the connection contact of the FTU tray for detection.

[0027] S4. Move the FTU tray to the second transfer mechanism through the extrapolation telescoper, and transport the FTU tray to a preset position through the second transfer mechanism.

[0028] S5. Repeat steps S1 - S4 until all FTU terminals are detected.

[0029] The beneficial effects of the present invention are as follows: The present invention is an FTU automatic detection device and method. The detector completes the detection operation by contacting the probe assembly with the connection contact, thereby excluding the interference of human factors in the entire detection process, avoiding the errors in detection results caused by manual operation and reading errors, and greatly improving the accuracy of detection. At the same time, the automatic detection speed is fast. Compared with manual detection, the detection time is shortened by more than 70%, improving the detection efficiency.

[0030] Moreover, the above structure integrates each detection process through automated machinery to achieve a flow operation. There is no human participation in the entire detection process, completely eliminating the interference of human factors and thoroughly solving the problem of high error rates in FTU detection results, significantly improving the accuracy of detection. The detection efficiency of FTU automated detection is greatly improved, and the production capacity of the entire FTU is increased. At the same time, the number of detection workbenches can be increased or decreased according to requirements to meet different detection task volumes and customized detection projects. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] By reading the detailed description of the preferred embodiments below, the solutions and advantages of the present application will become clear to those of ordinary skill in the art. The drawings are only for the purpose of illustrating the preferred embodiments and are not considered to be a limitation of the present invention.

[0032] In the drawings:

[0033] Figure 1 is a schematic structural diagram of the present invention;

[0034] Figure 2 is a schematic top view structural diagram of the present invention;

[0035] Figure 3 is a schematic structural diagram of the selective transfer mechanism of the present invention;

[0036] Figure 4 is a schematic structural diagram of the FTU tray of the present invention;

[0037] Figure 5 is a schematic structural diagram of the FTU terminal of the present invention;

[0038] Figure 6 is a schematic structural diagram of the detection mechanism of the present invention;

[0039] Figure 7 is a schematic top view structural diagram of the detection mechanism of the present invention;

[0040] Figure 8 is a schematic structural diagram of the selective blocking member of the present invention;

[0041] The components represented by the reference numerals in the drawings are:

[0042] 1. First transmission mechanism; 2. Second transmission mechanism; 3. Selective transmission mechanism; 31. Lifting base; 32. Lifting platform; 33. Translation crawler; 4. FTU pallet; 41. Support plate; 42. Rotating disk; 43. Adapter box; 44. Adapter cable; 45. Connection contact; 5. FTU terminal; 6. Detection mechanism; 61. Telescopic mechanism; 62. Probe assembly; 63. Outward extension device; 64. Clamp; 65. Bull's eye wheel; 66. First sensor; 67. Detector; 7. Selective blocking element; 71. Regulator; 72. Blocking wheel; 8. Second sensor; 9. Third sensor. DETAILED DESCRIPTION

[0043] Example

[0044] like Figure 1 , 2 An FTU automatic detection device shown includes a first conveying mechanism 1 and a second conveying mechanism 2 which are arranged in sequence and operate independently;

[0045] The first conveying mechanism 1 and the second conveying mechanism 2 are arranged in an L shape to facilitate use by staff, and the first conveying mechanism 1 and the second conveying mechanism 2 use electric rollers to convey components, and space can be reserved in the middle position to facilitate the use of the subsequent selective conveying mechanism 3.

[0046] In addition, it also includes an FTU tray 4 that can move on the first conveying mechanism 1 and the second conveying mechanism 2. The FTU is a (distribution switch monitoring terminal). The FTU tray 4 includes an adapter box 43 that can rotate in a horizontal plane. Under normal circumstances, in order to detect the FTU terminal 5, the staff is required to perform manual wiring, while the above structure can lead the wiring through the adapter box 43. After that, the adapter box 43 can be detachably connected to the FTU terminal 5 placed above it through the adapter cable 44, and the side of the adapter box 43 is provided with a connection contact 45. Since the position of the connection contact 5 is fixed, there is no need to connect the detector 67 by plugging in the wire, but the wiring can be done at a fixed position. In this way, automatic detection can be achieved, and the position of the connection contact 5 can be arbitrarily set according to needs. Therefore, during detection, it can be made to contact with different detection lines by changing the way different wiring contacts are contacted with it, thereby achieving more detection requirements. If the above method is not adopted, the staff is required to plug and unplug the detection line multiple times and replace the detection equipment.

[0047] Furthermore, in order to facilitate limiting the position of the connection contact 5, the adapter box 43 has a fixed single rotation angle of 90° relative to the FTU turntable. The above method can achieve fixed-angle rotation, which is convenient for the FTU terminal to perform appearance inspection and can also be easily rotated to the inspection position.

[0048] And, in this regard, as Figure 2 shown, for the convenience of detection operations, the orientation of the connection contact 45 can only be perpendicular or parallel to the length direction of the second transfer mechanism 2.

[0049] After that, in order to realize the transfer of the FTU tray 4, a plurality of selective transfer mechanisms 3 are sequentially arranged along the length direction of the second transfer mechanism 2, that is, as Figure 2 shown, in the above way, the transfer of the FTU tray 4 can be carried out at the position where the selective transfer mechanism 3 is located, and as Figure 3 shown, the height of the transfer plane of the selective transfer mechanism 3 can be adjusted, and the transfer direction is perpendicular to the second transfer mechanism 2, so as to be able to transport the FTU tray 4 above the second transfer mechanism 2 to other positions.

[0050] And the specific structure of the above-mentioned selective transfer mechanism 3 is that the selective transfer mechanism 3 includes a jacking base 31. After that, a lifting platform 32 is arranged above the jacking base 31. The height of the lifting platform 32 can be adjusted, and a horizontal translation track 33 is arranged above the lifting platform 32. By adjusting the height of the lifting platform 32, the translation track 33 can be moved within a height range higher and lower than the first transfer mechanism 1 and the second transfer mechanism 2. When it is higher than the above transfer mechanism, it can directly contact the FTU tray 4 and then transfer it through the translation track 33. When it is lower than the above transfer mechanism, it can avoid affecting the normal movement of the FTU tray 4 above the transfer mechanism.

[0051] And then, most importantly, a detection mechanism 6 is arranged at the corresponding position of the selective transfer mechanism 3 on one side of the second transfer mechanism 2, as Figure 6 、 7 shown, the upper surface of the detection mechanism 6 is a plane and can accommodate the movement of the FTU tray 4. And in order to make its movement smoother, a plurality of bull's-eye wheels 65 are arranged on the upper surface of the above detection mechanism 6, and the movement is smoother in this way.

[0052] Afterwards, a telescopic mechanism 61 is fixed to one end of the detection mechanism 6 away from the second transfer mechanism 2. The telescopic mechanism 61 can be an electric telescopic cylinder, and the output end of the telescopic mechanism 61 faces the selective transfer mechanism 3 and is provided with a probe assembly 62. The probe assembly is corresponding to the connection contact 45 of the adapter box 43 and is connected to the detector 67. In this way, the detector 67 can be controlled to be electrically connected to the FTU terminal 5 through the telescopic mechanism 61. Once the electrical connection is achieved, subsequent detection operations can be carried out. Moreover, the above-mentioned probe assembly 62 includes two telescopic sections, which are insulated from each other and are respectively connected to different detectors 67. Through the above method, it is possible to control the stroke of the telescopic mechanism 61 to electrically connect different detectors 67 to the corresponding connection contacts 45.

[0053] Therefore, it can be seen from the above structure that except for the operation of the staff placing the FTU terminal 5 on the FTU tray 4, other processes are automatically transferred and detected between different mechanisms, with higher efficiency, and thus the situation of inaccurate detection results caused by manual wiring errors can be reduced.

[0054] Moreover, for the convenience of realizing automation and for obtaining the position information of the FTU tray 4, as Figure 1 shown, the detection mechanism 6, the first transfer mechanism 1, and the second transfer mechanism 2 are respectively provided with a first sensor 66, a second sensor 8, and a third sensor 9 for detecting the FTU tray 4. The first sensor 66 can detect whether there is an FTU tray 4 above the current detection mechanism 6, the second sensor 8 can detect whether there is an FTU tray 4 above the second transfer mechanism 2, and the last third sensor 9 can detect whether there is an FTU tray 4 at the corresponding position of the second transfer mechanism 2 and the detection mechanism 6. After obtaining the position through the above method, various structures can be controlled according to the corresponding positions.

[0055] Finally, in order to limit the FTU tray 4, a selective stopper 7 is further provided between two adjacent selective transfer mechanisms 3 on the second transfer mechanism 2. As Figure 8 shown, the blocking wheel 72 of the selective stopper 7 can move freely within a height range above and below the transfer plane of the second transfer mechanism 2, which is convenient for limiting the position of the FTU tray 4 at a fixed position. And in order to push the FTU tray 4 away until it returns to the position of the second transfer mechanism 2 after the detection is completed, the way to move the FTU tray 4 is that the detection mechanism 6 further includes an external push telescopic device 63 provided at one end away from the second transfer mechanism 2, and the distance between the output end of the external push telescopic device 63 and the second transfer mechanism 2 can be smaller than the distance between the probe assembly 62 and the second transfer mechanism 2 to ensure that the normal use of the probe assembly 62 will not be affected and the push-back operation can be completed.

[0056] That is, an FTU automatic detection method described as follows, using an FTU automatic detection device as described above, and including the following steps:

[0057] S1. Place the FTU terminal 5 on the FTU tray 4 and connect them through the patch cable 44.

[0058] S2. Transmit the FTU tray 4 to the second transmission mechanism 2 through the first transmission mechanism 1. After the second sensor 8 sends a signal, selectively limit the position of the FTU tray 4 through the selective blocking member 7. After the limitation, it can stay at a preset position, and then it can be transmitted through the selective transmission mechanism 3, so that the corresponding FTU tray 4 can be moved to the detection mechanism 6.

[0059] S3. Move the FTU tray 4 to the detection mechanism 6 through the selective transmission mechanism 3, and extend the probe blocking member through the telescopic mechanism 61 of the detection mechanism 6 to contact the connection contact 45 of the FTU tray 4 for detection.

[0060] S4. Move the FTU tray 4 to the second transmission mechanism 2 through the extrapolation expander 63, and transport the FTU tray 4 to a preset position through the second transmission mechanism 2.

[0061] S5. Repeat steps S1 - S4 until the detection of all FTU terminals 5 is completed.

[0062] Embodiment 2

[0063] As Figure 1 、 2 As shown in FIGS. 6 and 7, in order to facilitate the adjustment of the position of the FTU tray 4, a fixture 64 is provided on the side of the detection mechanism 6 perpendicular to the length direction of the second transmission mechanism 2, and the fixture 64 can move along the length direction of the second transmission mechanism 2. The fixture 64 can adjust the position of the FTU tray 4 to facilitate the alignment with the probe assembly 62 point by point.

[0064] Finally, a selective transmission mechanism 3 is provided between the first transmission mechanism 1 and the second transmission mechanism 2, and the FTU tray 4 is transmitted between the two transmission mechanisms through the selective transmission mechanism 3. When the FTU enters the second transmission mechanism 2, the connection contact 45 is arranged towards the direction of the detection mechanism 6.

[0065] Moreover, the present invention adopts high-precision sensors and automated test circuits to automatically complete the synchronous measurement of the voltages and currents of three phases A, B, and C through program control. The sensors transmit the measurement data to the control system in real time, and the system automatically processes and analyzes the data without manual intervention. The entire detection process completely eliminates the interference of human factors, avoids the errors in detection results caused by manual operation and reading errors, and greatly improves the accuracy of detection. At the same time, the automated detection is fast. Compared with manual detection, the detection time is shortened by more than 70%, improving the detection efficiency.

[0066] The present invention has a dedicated communication test software, which can automatically configure communication parameters and simulate the communication process between the master station and the FTU. According to the preset test cases, the software automatically sends and receives test data and analyzes the accuracy and integrity of the data in real time. If communication anomalies are found, the system will automatically record the fault information and give an alarm. It completely solves the error problems that are prone to occur when manually configuring parameters and processing data, and improves the reliability of communication function detection. Moreover, automated detection can complete a large number of test cases in a short time, greatly shortening the detection cycle.

[0067] By using a fault simulation device and a control system, the time, type, and intensity of the fault occurrence can be precisely controlled. According to the preset fault modes, the system automatically triggers the fault and monitors the protection actions of the FTU in real time. Once the protection actions are detected, the system will automatically record the key information such as the action time and action value, and compare them with the preset standard values. It avoids the inaccuracy when manually setting faults, ensuring the accuracy and reliability of the protection function detection. At the same time, automated detection can quickly simulate various fault conditions, improving the comprehensiveness and efficiency of detection, and enabling the FTU to fully verify its protection performance before being put into use.

[0068] An automatic storage function for detection data is designed, which can collect the operation data of each functional module of the FTU in real time and store the data in the database. Through the data analysis software, the data is analyzed and processed in real time to promptly discover the abnormal conditions during the operation of the module. There is no need for manual timing to record data and observe the status, reducing the workload of the operators, avoiding missed detections and misjudgments caused by human fatigue, and improving the credibility of the detection results.

Claims

1. A FTU automatic detection device, characterized in that: It includes a first conveying mechanism and a second conveying mechanism which are arranged in sequence and operate independently; It also includes an FTU tray that can move on the first conveying mechanism and the second conveying mechanism, the FTU tray includes an adapter box that can rotate in a horizontal plane, and the adapter box is detachably connected to the FTU terminal placed on it through an adapter cable, and the side of the adapter box is provided with a connection contact; The second conveying mechanism is provided with a plurality of selective conveying mechanisms in sequence along the length direction, and the height of the conveying plane of the selective conveying mechanism is adjustable, and the conveying direction is perpendicular to the second conveying mechanism; A detection mechanism is arranged at a corresponding position of the selective transmission mechanism on one side of the second transmission mechanism, and the upper surface of the detection mechanism is flat and can accommodate the movement of the FTU pallet. A telescopic mechanism is fixed to the end of the detection mechanism away from the second transmission mechanism, and the output end of the telescopic mechanism is arranged toward the selective transmission mechanism and is provided with a probe assembly, and the probe block corresponds to the connection contact position of the adapter box and is connected to the detector.

2. A FTU automatic detection device according to claim 1, characterized in that: The single rotation angle of the adapter box relative to the FTU turntable is fixed and is 90°.

3. A FTU automatic detection device according to claim 2, characterized in that: The connection contacts can only be oriented perpendicularly or parallel to the length direction of the second conveying mechanism.

4. The FTU automatic detection device according to claim 1, characterized in that: The selective conveying mechanism comprises a lifting base, a lifting platform is arranged above the lifting base, and a horizontal translation crawler is arranged above the lifting platform. The translation crawler can move in a height range above and below the first conveying mechanism and the second conveying mechanism.

5. The FTU automatic detection device according to claim 1, characterized in that: The detection mechanism also includes an extrapolation telescope arranged at one end away from the second conveying mechanism, and the distance between the output end of the extrapolation telescope and the second conveying mechanism can be smaller than the distance between the probe assembly and the second conveying mechanism.

6. The FTU automatic detection device according to claim 1, characterized in that: The detection mechanism is provided with a clamp on a side surface perpendicular to the length direction of the second conveying mechanism, and the clamp can move along the length direction of the second conveying mechanism.

7. The FTU automatic detection device according to claim 1, characterized in that: A selective conveying mechanism is arranged between the first conveying mechanism and the second conveying mechanism, and the FTU pallet is transferred between the two conveying mechanisms through the selective conveying mechanism, and when the FTU enters the second conveying mechanism, the connection contact is arranged toward the direction of the detection mechanism.

8. The FTU automatic detection device according to claim 1, characterized in that: The second conveying mechanism is also provided with a selective blocking member between two adjacent selective conveying mechanisms, and the blocking wheel of the selective blocking member can move freely within a height range above and below the conveying plane of the second conveying mechanism.

9. An FTU automatic detection device according to any one of claims 1 to 8, characterized in that: The detection mechanism, the first conveying mechanism and the second conveying mechanism are respectively provided with a first sensor, a second sensor and a third sensor for detecting the FTU pallet.

10. A FTU automated detection method, characterized in that: The FTU automatic detection device according to claim 9 is used, and comprises the following steps: S1. Place the FTU terminal on the FTU tray and connect it via a transfer cable; S2, transferring the FTU pallet to the second conveying mechanism through the first conveying mechanism, and after the second sensor sends a signal, selectively limiting the position of the FTU pallet through the selective blocking member; S3, moving the FTU tray to the detection mechanism through the selective transmission mechanism, and extending the probe block through the telescopic mechanism of the detection mechanism to make it contact with the connection contact of the FTU tray for detection; S4, moving the FTU pallet to the second conveying mechanism through the outward extension device, and transporting the FTU pallet to a preset position through the second conveying mechanism; S5. Repeat steps S1-S4 until all FTU terminals are detected.

Images