CN112122180A - Transformer detection equipment - Google Patents
Transformer detection equipment Download PDFInfo
- Publication number
- CN112122180A CN112122180A CN202011129132.6A CN202011129132A CN112122180A CN 112122180 A CN112122180 A CN 112122180A CN 202011129132 A CN202011129132 A CN 202011129132A CN 112122180 A CN112122180 A CN 112122180A
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- air cylinder
- detection
- transformer
- conductive elastic
- fixed seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses transformer detection equipment, which comprises a fixed seat, wherein a rotating table capable of being opposite to the fixed seat is arranged on the fixed seat, a driving device for driving the rotating table to rotate is arranged on the fixed seat, a plurality of detection grooves are formed in the rotating table along the axis of the rotating table, pin seats are arranged in the detection grooves, a first conductive elastic sheet is arranged on the bottom end surface of the rotating table below each detection groove, a plurality of detection instruments are arranged in the fixed seat, a second conductive elastic sheet is arranged above the detection instruments, the pin seats are electrically connected with the first conductive elastic sheets, the detection instruments are electrically connected with the second conductive elastic sheets, and the first conductive elastic sheets and the second conductive elastic sheets are positioned on the same circumference, so that the rapid and high-quality detection is realized, the overall efficiency is improved, and the production requirements are met.
Description
Technical Field
The invention relates to transformer detection equipment.
Background
At present, in the production process of a transformer, the voltage resistance and current test of the transformer mainly adopts a manual mode for testing, the detection efficiency of the manual detection mode is low, accidents easily occur in the detection process, the production efficiency is seriously influenced, and meanwhile, the production cost is high, so that the problem needs to be solved by providing a full-automatic and efficient transformer detection device.
Disclosure of Invention
The invention aims to provide full-automatic and efficient transformer detection equipment.
According to a transformer check out test set of this purpose design, including the fixing base be equipped with the rotation platform that can the relative fixing base on the fixing base be equipped with on the fixing base and be used for the drive to rotate the platform and carry out pivoted drive arrangement it is provided with a plurality of detection grooves to rotate bench along its axle center be equipped with the pin seat in the detection groove, at every be equipped with first electrically conductive shell fragment on the rotation platform bottom end face of detection groove below be equipped with a plurality of detecting instrument in the fixing base, the detecting instrument top is equipped with the electrically conductive shell fragment of second, pin seat and first electrically conductive shell fragment electric connection, detecting instrument and the electrically conductive shell fragment electric connection of second, first electrically conductive shell fragment and the electrically conductive shell fragment of second are located same circumference.
Further, check out test set is still including shale shaker dish and pay-off conveyer belt, the output of shale shaker dish is connected with the input of pay-off conveyer belt the interval is provided with the limiting plate on the pay-off conveyer belt the fixing base is close to and is equipped with the automatic subassembly that snatchs on the pay-off conveyer belt position, the automatic subassembly that snatchs is used for snatching the transformer on the pay-off conveyer belt one by one and places detecting the inslot.
Furthermore, the detection equipment further comprises at least two output conveyer belts, and automatic grabbing components are arranged on the positions, close to the output conveyer belts, on the fixing seats.
Furthermore, the number of the detection grooves is 4, the number of the output conveying belts is 3, and the output conveying belts and the feeding conveying belts are located on the same circumference and are spaced by 90 degrees.
Furthermore, the automatic grabbing component comprises a portal frame arranged on a fixed seat, a guide rail is arranged on the portal frame, a moving block is spliced on the guide rail, a mounting hole is formed in the moving block, a lead screw nut is mounted in the mounting hole, a first motor is mounted on the portal frame, a first lead screw is mounted on a motor shaft of the first motor, the rod nut is sleeved on the first lead screw and is in threaded connection with the first lead screw, and a grabbing device is mounted on the moving block.
Furthermore, the gripping device comprises a mounting seat fixed on the moving block, a first air cylinder is arranged on the mounting seat, a rotating air cylinder is arranged on an air cylinder shaft of the first air cylinder, a mounting plate is arranged on the rotating air cylinder, and an electromagnet is arranged on the mounting plate.
Furthermore, a cavity is formed in the lower end face of the electromagnet, a camera is arranged in the cavity, an image recognizer and a control device are arranged on the portal frame, the camera, the image recognizer and the control device are electrically connected in sequence, connecting plates are arranged on the left side and the right side of the mounting plate respectively, a second air cylinder is arranged on the connecting plates, an assembling plate is arranged on an air cylinder shaft of the second air cylinder, a third air cylinder is arranged on the assembling plate, a second rotating air cylinder is arranged on an air cylinder shaft of the third air cylinder, and the control device is electrically connected with the first air cylinder, the rotating air cylinder, the electromagnet, the second air cylinder, the third air cylinder and the second rotating air cylinder respectively for control.
Furthermore, the detecting instrument comprises a voltage tester or an electric quantity tester, the voltage tester or the electric quantity tester is electrically connected with the second conductive elastic sheet, a control system is further arranged in the fixing seat, and the voltage tester or the electric quantity tester is electrically connected with the control system.
Furthermore, the driving device comprises a fixing plate arranged on the fixing seat, a first motor is arranged on the fixing plate, a first gear is arranged on a motor shaft of the first motor, a ring gear is arranged on the rotating table, and the ring gear is meshed with the first gear.
Further, be equipped with the annular on the fixing base, be equipped with the bulge loop on the swivel table, the bulge loop activity is pegged graft in the annular the swivel table is equipped with a plurality of movable pulleys, the movable pulley is laminated with the fixing base.
The invention has the characteristics of simple and reasonable structure, convenient detection, high efficiency and good safety, compared with the prior art, the fixed seat is provided with a rotating platform which can be opposite to the fixed seat, the fixed seat is provided with a driving device for driving the rotating platform to rotate, the rotating platform is provided with a plurality of detection grooves along the axis, the detection grooves are internally provided with pin seats, the bottom end surface of the rotating platform below each detection groove is provided with a first conductive elastic sheet, the fixed seat is internally provided with a plurality of detection instruments, a second conductive elastic sheet is arranged above the detection instruments, the pin seats are electrically connected with the first conductive elastic sheets, the detection instruments are electrically connected with the second conductive elastic sheets, the first conductive elastic sheets and the second conductive elastic sheets are positioned on the same circumference, a transformer is placed in the detection grooves to be matched with the pin seats, and then the rotating platform rotates, the first conductive elastic sheet is in contact connection with the second conductive elastic sheet, so that the pin base can be connected with a detection instrument, the transformer in the detection groove is detected, the detection with high speed and high quality is realized, the overall efficiency is improved, and the production requirement is met.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a second schematic cross-sectional view of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 2 according to the present invention;
FIG. 5 is a schematic view of the grasping apparatus according to the present invention;
FIG. 6 is a schematic structural diagram of a barrier assembly according to the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1-6, a transformer detection device is characterized in that: the detection device comprises a fixed seat 1, wherein a rotating table 11 which can be opposite to the fixed seat 1 is arranged on the fixed seat 1, a driving device 8 which is used for driving the rotating table 11 to rotate is arranged on the fixed seat 1, a plurality of detection grooves 91 are arranged on the rotating table 11 along the axis of the rotating table, pin seats are arranged in the detection grooves 91, a first conductive elastic sheet 92 is arranged on the bottom end surface of the rotating table 11 below each detection groove 91, a plurality of detection instruments 94 are arranged in the fixed seat 1, a second conductive elastic sheet 93 is arranged above each detection instrument 94, each pin seat is electrically connected with the first conductive elastic sheet 92, each detection instrument 94 is electrically connected with the second conductive elastic sheet 93, the first conductive elastic sheet 92 and the second conductive elastic sheet 93 are positioned on the same circumference, a transformer is placed in each detection groove to be matched with the pin seats, and then the rotating table rotates, so that the first conductive elastic sheet is in contact connection with the second conductive elastic sheet, can make the pin seat be connected with detecting instrument, detect the transformer that detects the inslot, realize quick and high-quality detection, improve overall efficiency, it is required to accord with production.
In the invention, the number of the detecting instruments 94 is two, the two detecting instruments are respectively a withstand voltage tester and an electric quantity tester, and the two detecting instruments are arranged at an interval of 90 degrees by taking the axis of the rotating table 11 as the center of a circle, so that the continuous detection can be realized by connecting the detecting groove of the rotating table with any one detecting instrument and then rotating the detecting groove by 90 degrees to electrically connect with the other detecting instrument.
In the present invention, the first conductive elastic piece 92 and the second conductive elastic piece 93 are both arc-shaped, and when they are contacted with each other, they are cross-shaped, and the arc-shaped can make the two better connected and matched when they are contacted with each other.
Referring to fig. 1-2, check out test set is still including shale shaker dish 5 and pay-off conveyer belt 4, the output of shale shaker dish 5 is connected with the input of pay-off conveyer belt 4 the interval is provided with limiting plate 41 on the pay-off conveyer belt 4 the fixing base 1 is close to and is equipped with the automatic subassembly 2 that snatchs on the 4 positions of pay-off conveyer belt, the automatic subassembly 2 that snatchs is used for snatching the transformer on the pay-off conveyer belt 4 one by one and places in detecting groove 91, carries the transformer one by one to the pay-off conveyer belt through the shale shaker dish on, through the position of limiting plate restriction transformer, guarantees that the transformer is located a straight line all the time, and the better cooperation is automatic to snatch the subassembly and is sna.
Referring to fig. 1-5, the detection apparatus further includes at least two output conveyor belts 3, and an automatic grabbing component 2 is disposed on the fixing base 1 and close to the output conveyor belts 3.
Referring to fig. 1, the number of the detection grooves 91 is 4, the number of the output conveyor belts 3 is 3, and the output conveyor belts 3 and the feeding conveyor belts 4 are located on the same circumference and spaced from each other by 90 degrees.
The three output conveying belts respectively convey good products and poor products, the good transformers are conveyed to a station to be packaged, the incomplete transformers are conveyed to a processing station to be processed continuously, and the 3 conveying belts are matched with the rotating platform to rotate and automatically grab the assemblies to work, so that rapid classification is realized.
Referring to fig. 2, the automatic grabbing assembly 2 includes a portal frame 20 arranged on a fixed seat 1, a guide rail 23 is arranged on the portal frame 20, a moving block 22 is inserted into the guide rail 23, a mounting hole is arranged on the moving block 22, a lead screw nut is mounted in the mounting hole, a first motor 21 is mounted on the portal frame 20, a first lead screw 24 is mounted on a motor shaft of the first motor 21, the lead screw nut is sleeved on the first lead screw 24 and is in threaded connection with the first lead screw 24, and a grabbing device 7 is mounted on the moving block 22;
during operation, first motor drives first lead screw and rotates, and first lead screw rotates and drives screw-nut and remove along first lead screw, can drive the movable block and remove along the guide rail, realizes driving grabbing device sideslip, and simple structure accords with the production needs.
Referring to fig. 5, the gripping device 7 includes an installation base 71 fixed on the moving block 22, a first air cylinder 72 is arranged on the installation base 71, a rotary air cylinder 73 is arranged on an air cylinder shaft of the first air cylinder 72, an installation plate 79 is arranged on the rotary air cylinder 73, and an electromagnet 78 is arranged on the installation plate 79;
the first cylinder is used for driving and realizing up-down movement, the electromagnet is powered off or electrified to realize transformer adsorption (the transformer is a transformer with a magnetic core or an iron core, so that the transformer can be adsorbed by the electromagnet), the structure is simple, and the use requirement is met.
The automatic grabbing component 2 takes materials from a material conveying conveyer belt according to the working principle that:
1) the first motor drives the first lead screw to rotate, and then the moving block can be driven to adjust the position and is positioned right above the two limiting plates;
2) then the first cylinder drives the whole body to move downwards;
3) at the moment, the electromagnet is electrified, so that the transformer is adsorbed;
5) the first cylinder drives the whole body to move upwards
6) The first motor drives the screw rod to rotate, and the moving block can be driven to move right above the rotating table and be aligned with the detection groove;
7) the first cylinder drives the whole body to move downwards, and the transformer is placed in the detection groove;
8) when the electromagnet is powered off, the electromagnet is separated from the transformer;
9) and the whole device automatically resets.
The automatic grabbing component 2 takes materials from the detection groove according to the working principle:
1) the first motor drives the first lead screw to rotate, and then the moving block can be driven to adjust the position and is positioned right above the corresponding detection groove;
2) then the first cylinder drives the whole body to move downwards;
3) at the moment, the electromagnet is electrified, so that the transformer is adsorbed;
5) the first cylinder drives the whole body to move upwards
6) The first motor drives the screw rod to rotate, and the moving block can be driven to move right above the output conveyer belt;
7) the first cylinder drives the whole body to move downwards, and the transformer is placed on the output conveying belt;
8) when the electromagnet is powered off, the electromagnet is separated from the transformer and is conveyed to a corresponding station through an output conveyer belt;
9) and the whole device automatically resets.
Referring to fig. 5, a cavity is formed in the lower end surface of the electromagnet 78, a camera is arranged in the cavity, an image recognizer and a control device are arranged on the portal frame 20, the camera, the image recognizer and the control device are electrically connected in sequence, connecting plates 74 are respectively arranged on the left side and the right side of the mounting plate 79, a second cylinder 75 is arranged on the connecting plates 74, a mounting plate is arranged on a cylinder shaft of the second cylinder 75, a third cylinder 76 is arranged on the mounting plate, a second rotary cylinder 77 is arranged on a cylinder shaft of the third cylinder 76, and the control device is respectively electrically connected with and controlled by a first cylinder 72, the rotary cylinder 73, the electromagnet 78, the second cylinder 75, the third cylinder 76 and the second rotary cylinder 77;
the camera, the image recognizer and the control device are all the existing products and work in a matched mode, the image recognition can be carried out on the transformer in real time, the position of the transformer can be adjusted, and the situation that the transformer cannot be detected due to incorrect position when coming out of a vibrating screen disc is avoided;
1) the camera shoots a picture in real time, then the picture is transmitted to the image recognition device, and comparison and judgment are carried out according to the image recognition device;
2) the image recognition device transmits the judgment signal to the control device;
3) the control device controls the work of the first air cylinder 72, the rotary air cylinder 73, the electromagnet 78, the second air cylinder 75, the third air cylinder 76 and the second rotary air cylinder 77;
4) first cylinder 72 is responsible for driving second cylinder 75 and reciprocates, second cylinder 75 is responsible for driving second revolving cylinder 77 lateral shifting, it can press from both sides the transformer of centre tightly to move second revolving cylinder 77 through two second cylinders 75, the electro-magnet outage this moment, it is rotatory to drive the transformer through second revolving cylinder, carry out position control, revolving cylinder 73 is rotatory also can adjust the position of transformer, realize 360 degrees direction regulation, guarantee the position of transformer and detect the perfect cooperation of the pin base in the inslot, guarantee detection quality.
Referring to fig. 1 to 5, a silicone pad is disposed on the second rotary cylinder 74.
In the present invention, the detecting instrument 94 includes a voltage tester or an electrical tester, the voltage tester or the electrical tester is electrically connected to the second conductive elastic piece 93, a control system is further disposed in the fixing base 1, and the voltage tester or the electrical tester is electrically connected to the control system.
The control system of the invention adopts a PLC programmable controller or a singlechip to control, preferably, the singlechip is adopted to complete the function of a core controller of the control system.
Referring to fig. 4, the driving device 8 includes a fixing plate 81 disposed on the fixing base 1, a first motor 82 is mounted on the fixing plate 81, a first gear 84 is mounted on a motor shaft of the first motor 82, a ring gear 83 is disposed on the rotating table 11, the ring gear 83 is engaged with the first gear 84, and the first motor drives the first gear to rotate, i.e., the rotating table is driven to rotate.
Referring to fig. 4, the fixing base 1 is provided with an annular groove, the rotating table 11 is provided with a convex ring, the convex ring is movably inserted into the annular groove, the rotating table 11 is provided with a plurality of sliding wheels 100, the sliding wheels 100 are attached to the fixing base 1, and the sliding wheels enable the rotating table to rotate more smoothly relative to the fixing base.
Referring to fig. 6, a plurality of blocking assemblies are further arranged on the feeding and conveying belt 4, each blocking assembly comprises a fourth cylinder 101 arranged on a corresponding limiting plate 41, a mounting and connecting plate 104 is mounted on a cylinder shaft of each fourth cylinder 101, a blocking plate 103 is arranged on each mounting and connecting plate 104, and each blocking plate 103 can be movably inserted between the two limiting plates 41 up and down;
the fourth cylinder drives the blocking plate to move up and down, so that the transformer can be controlled to move on the first conveying belt, and the first grabbing device is better matched to grab.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for the convenience of description and simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A transformer check out test set which characterized in that: comprises a fixed seat (1), a rotating platform (11) which can be opposite to the fixed seat (1) is arranged on the fixed seat (1), a driving device (8) for driving the rotating table (11) to rotate is arranged on the fixed seat (1), a plurality of detection grooves (91) are arranged on the rotating table (11) along the axis of the rotating table, pin seats are arranged in the detection grooves (91), a first conductive elastic sheet (92) is arranged on the bottom end surface of the rotating platform (11) below each detection groove (91), a plurality of detecting instruments (94) are arranged in the fixed seat (1), a second conductive elastic sheet (93) is arranged above the detecting instruments (94), the pin seat is electrically connected with the first conductive elastic sheet (92), the detection instrument (94) is electrically connected with the second conductive elastic sheet (93), the first conductive elastic sheet (92) and the second conductive elastic sheet (93) are located on the same circumference.
2. The transformer detection device of claim 1, wherein: check out test set is still including shale shaker dish (5) and pay-off conveyer belt (4), the output of shale shaker dish (5) is connected with the input of pay-off conveyer belt (4) the interval is provided with limiting plate (41) on pay-off conveyer belt (4) fixing base (1) is close to and is equipped with the automation on pay-off conveyer belt (4) the position and snatchs subassembly (2), the automation snatchs subassembly (2) and is used for snatching the transformer on pay-off conveyer belt (4) one by one and places in detecting groove (91).
3. The transformer detection device according to claim 2, wherein: the detection equipment further comprises at least two output conveyer belts (3), and automatic grabbing assemblies (2) are arranged on the positions, close to the output conveyer belts (3), on the fixing seats (1).
4. A transformer testing apparatus according to claim 3, wherein: the number of the detection grooves (91) is 4, the number of the output conveying belts (3) is 3, and the output conveying belts (3) and the feeding conveying belts (4) are located on the same circumference and are mutually spaced by 90 degrees.
5. The transformer detection apparatus according to any one of claims 2 to 4, wherein: the automatic grabbing component (2) comprises a portal frame (20) arranged on a fixed seat (1), a guide rail (23) is arranged on the portal frame (20), a moving block (22) is spliced on the guide rail (23), a mounting hole is formed in the moving block (22), a lead screw nut is mounted in the mounting hole, a first motor (21) is mounted on the portal frame (20), a first lead screw (24) is mounted on a motor shaft of the first motor (21), the lead screw nut is sleeved on the first lead screw (24) and is in threaded connection with the first lead screw and the second lead screw, and a grabbing device (7) is mounted on the moving block (22).
6. The transformer detection device of claim 5, wherein: the grabbing device (7) comprises a mounting seat (71) fixed on a moving block (22), a first air cylinder (72) is arranged on the mounting seat (71), a rotating air cylinder (73) is mounted on an air cylinder shaft of the first air cylinder (72), a mounting plate (79) is mounted on the rotating air cylinder (73), and an electromagnet (78) is mounted on the mounting plate (79).
7. The transformer detection device of claim 6, wherein: the portal frame is characterized in that a cavity is formed in the lower end face of the electromagnet (78), a camera is arranged in the cavity, an image recognizer and a control device are arranged on the portal frame (20), the camera, the image recognizer and the control device are electrically connected in sequence, connecting plates (74) are arranged on the left side and the right side of the mounting plate (79) respectively, a second air cylinder (75) is arranged on the connecting plates (74), an assembly plate is arranged on an air cylinder shaft of the second air cylinder (75), a third air cylinder (76) is arranged on the assembly plate, a second rotary air cylinder (77) is arranged on an air cylinder shaft of the third air cylinder (76), and the control device is electrically connected with the first air cylinder (72), the rotary air cylinder (73), the electromagnet (78), the second air cylinder (75), the third air cylinder (76) and the second rotary air cylinder (77) respectively for control.
8. The transformer detection device of claim 1, wherein: the detection instrument (94) comprises a voltage-resistant tester or an electric quantity tester, the voltage-resistant tester or the electric quantity tester is electrically connected with the second conductive elastic sheet (93), a control system is further arranged in the fixing seat (1), and the voltage-resistant tester or the electric quantity tester is electrically connected with the control system.
9. The transformer detection device of claim 1, wherein: drive arrangement (8) are including setting up fixed plate (81) on fixing base (1) install first motor (82) on fixed plate (81) install first gear (84) on the motor shaft of first motor (82) be equipped with ring gear (83) on revolving stage (11), ring gear (83) and first gear (84) intermeshing.
10. The transformer detection device of claim 1, wherein: be equipped with the annular on fixing base (1), be equipped with the bulge loop on rotating platform (11), the bulge loop activity is pegged graft in the annular be equipped with a plurality of movable pulleys (100) on rotating platform (11), movable pulley (100) and fixing base (1) laminating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011129132.6A CN112122180A (en) | 2020-10-21 | 2020-10-21 | Transformer detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011129132.6A CN112122180A (en) | 2020-10-21 | 2020-10-21 | Transformer detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112122180A true CN112122180A (en) | 2020-12-25 |
Family
ID=73852715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011129132.6A Pending CN112122180A (en) | 2020-10-21 | 2020-10-21 | Transformer detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112122180A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114392939A (en) * | 2022-03-04 | 2022-04-26 | 武汉普赛斯电子技术有限公司 | Test sorting method of TO devices, computer equipment and computer storage medium |
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| JPH06148262A (en) * | 1992-10-31 | 1994-05-27 | Taiyo Yuden Co Ltd | Inspection device for characteristic of electronic component with cap |
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| CN114392939A (en) * | 2022-03-04 | 2022-04-26 | 武汉普赛斯电子技术有限公司 | Test sorting method of TO devices, computer equipment and computer storage medium |
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Application publication date: 20201225 |