Low power consumption shielded gate semiconductor power device test device

Abstract

The present invention provides a low-power shielded-gate semiconductor power device test device, including a test bench, a support column, a bottom plate, a first support plate, an inclined T-shaped slide groove, a control box, a slidable plug-in protective seat structure, a resettable detection movable seat structure, a rotatable dust removal and cooling cover structure, an inverted L-shaped shielding plate, a detection module, a vacuum cleaner, a connecting pipe, a supportable anti-sway positioning frame structure, a slide groove, a sliding hole and a fixed seat. The four corners of the lower end of the test bench are respectively bolted to the support column; the lower part between the support columns is bolted to the bottom plate. The arrangement of the vacuum cleaner, the first fixed pipe, the second fixed pipe, the metal hose and the dust hood of the present invention is conducive to the power generated by the vacuum cleaner during use, so that the dust hood performs dust collection work, and the dust hood is arranged above the plug-in seat, which is convenient for improving the cooling efficiency during the detection process.

Description

Technical Field

[0001] The invention belongs to the technical field of conductor power device testing equipment, and in particular relates to a low-power-consumption shielded-gate semiconductor power device testing device. Background Art

[0002] Semiconductor power devices are often damaged due to excessive junction temperature caused by heat during operation, so testing equipment is required to test semiconductor power devices during the production process.

[0003] However, the existing testing devices still have the problems of being inconvenient to improve the cooling effect during use, being inconvenient to perform resetting during the detection process, and being inconvenient to replace the workpiece during the detection process.

[0004] Therefore, it is very necessary to invent a low-power shielded gate semiconductor power device testing device. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a low-power shielded gate semiconductor power device testing device to solve the problems that the existing testing devices are inconvenient to improve the cooling effect during use, inconvenient to perform resetting during detection, and inconvenient to replace workpieces during detection. A low-power shielded-gate semiconductor power device testing device comprises a test bench, a support column, a bottom plate, a first support plate, an oblique T-shaped slide, a control box, a slidable plug-in protective seat structure, a resettable detection movable seat structure, a rotatable dust removal and cooling cover structure, an inverted L-shaped shielding plate, a detection module, a dust collector, a connecting pipe, a supportable anti-sway positioning frame structure, a slide, a slide hole and a fixed seat, wherein the four corners of the lower end of the test bench are respectively bolted with support columns; the lower part between the support columns is bolted with the bottom plate; the middle position of the upper rear end of the test bench is bolted with the first support plate; the upper part of the front surface of the first support plate is provided with an oblique T-shaped slide; the upper right side of the first support plate is bolted with a control box; the slidable plug-in protective seat structure is respectively arranged on the left and right sides of the upper end of the test bench; the resettable detection movable seat structure is installed inside the oblique T-shaped slide; the rotatable dust removal and cooling cover structure is respectively installed in the middle position inside the left and right sides of the test bench; the inverted L-shaped The shielding plate is bolted to the upper end of the test bench from left to right in sequence; the detection module is installed at the lower end of the resettable detection movable seat structure; the vacuum cleaner is bolted to the middle position of the upper end of the bottom plate; the lower part of the middle position on the left and right sides of the vacuum cleaner is threadedly connected with a connecting pipe; the upper left side of the first support plate is bolted to a fixed seat; a slide groove is provided at the middle position inside the upper end of the fixed seat; the lower part of the front surface and the lower part of the rear surface of the fixed seat are respectively provided with slide holes; the supportable anti-sway positioning frame structure is installed inside the upper end of the fixed seat; the slidable plug-in protective seat structure includes a plug-in seat, a push-pull rod, a plug-in cavity, a protective pad, a fixed cavity and a support wheel, and the push-pull rod is bolted to the middle position of the lower part of the front surface of the plug-in seat; a plug-in cavity is provided in the middle position inside the upper end of the plug-in seat; the inner bottom end of the plug-in cavity is glued with a protective pad; a fixed cavity is provided in the middle position inside the lower end of the plug-in seat; the internal pin of the fixed cavity is connected to the support wheel.

[0006] Compared with the prior art, the present invention has the following beneficial effects:

[0007] In the present invention, the arrangement of the vacuum cleaner, the first fixed tube, the second fixed tube, the metal hose and the dust hood is conducive to the use of the power generated by the vacuum cleaner when it is working, so that the dust hood can perform dust collection work. By arranging the dust hood above the socket, it is convenient to improve the cooling efficiency during the detection process.

[0008] In the present invention, the arrangement of the second support plate, protective cover, pressing tube, reset spring and detection seat is conducive to moving the detection seat by pulling the reset spring after detection, thereby facilitating the reset of the detection module after detection.

[0009] In the present invention, the arrangement of the socket, the push-pull rod, the socket cavity, the fixed cavity and the supporting wheel is conducive to grasping the push-pull rod to pull the socket during use, and is convenient for workpiece replacement during use.

[0010] In the present invention, the arrangement of the first fixed tube, the second fixed tube, the metal hose and the dust hood is conducive to moving the dust hood by rotating the metal hose during use, thereby facilitating adjustment of the position of the dust hood during detection.

[0011] In the present invention, the arrangement of the sliding seat, the second support plate, the protective cover, the pressing tube, the detection seat, the first support plate and the inclined T-shaped slide groove is conducive to pushing the sliding seat to move during use, and is convenient for adjusting the position of the detection module during the detection process.

[0012] In the present invention, the arrangement of the socket, the push-pull rod, the socket cavity, the protective pad and the support wheel is conducive to arranging the protective pad at the lower end of the workpiece during use, so as to facilitate the workpiece protection work during the detection process.

[0013] In the present invention, the arrangement of the first fixed pipe, the regulating valve, the second fixed pipe, the metal hose and the dust hood is conducive to rotating the angle of the regulating valve during use, and is convenient for adjusting the suction force inside the dust hood during use, which is conducive to dust removal and cooling.

[0014] In the present invention, the arrangement of the support frame, the first hanging rod, the second hanging rod, the sliding seat and the second support plate is conducive to the support work during the detection process by setting the support frame at the lower end of the second support plate during use, thereby preventing the second support plate from tilting and affecting the detection work.

[0015] In the present invention, the supporting frame, the first hanging rod, the second hanging rod, the jacking bolt and the fixing seat cooperate with each other, which is conducive to tightening the jacking bolt during use to fix the supporting frame and facilitate the positioning of the detection module. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention.

[0017] Figure 2 It is a structural schematic diagram of the slidable plug-in protection seat structure of the present invention.

[0018] Figure 3 It is a structural schematic diagram of the resettable detection movable seat structure of the present invention.

[0019] Figure 4 It is a structural schematic diagram of the rotatable dust removal and cooling hood structure of the present invention.

[0020] Figure 5 This is a schematic diagram of the structure of the anti-sway positioning frame structure of the present invention.

[0021] In the figure:

[0022] 1. Test bench; 2. Support column; 3. Bottom plate; 4. First support plate; 5. Oblique T-shaped slide; 6. Control box; 7. Slidable plug-in protective seat structure; 71. Plug-in seat; 72. Push-pull rod; 73. Plug-in cavity; 74. Protective pad; 75. Fixed cavity; 76. Support wheel; 8. Resettable detection movable seat structure; 81. Sliding seat; 82. Second support plate; 83. Protective cover; 84. Press tube; 85. Reset spring; 86. Detection seat; 9. Rotatable dust removal Cooling hood structure; 91. first fixed pipe; 92. regulating valve; 93. second fixed pipe; 94. metal hose; 95. dust hood; 10. inverted L-shaped shielding plate; 11. detection module; 12. vacuum cleaner; 13. connecting pipe; 14. support anti-sway positioning frame structure; 141. support frame; 142. first hanging rod; 143. second hanging rod; 144. tightening bolt; 145. inverted T-shaped sliding seat; 15. slide groove; 16. slide hole; 17. fixed seat. DETAILED DESCRIPTION

[0023] The present invention will be described in detail below in conjunction with the accompanying drawings. Figure 1 and attached Figure 2As shown, a low-power shielded gate semiconductor power device test device includes a test bench 1, a support column 2, a base plate 3, a first support plate 4, an inclined T-shaped slide groove 5, a control box 6, a slidable plug-in protective seat structure 7, a resettable detection movable seat structure 8, a rotatable dust removal and cooling cover structure 9, an inverted L-shaped shielding plate 10, a detection module 11, a dust collector 12, a connecting pipe 13, a support anti-sway positioning frame structure 14, a slide groove 15, a slide hole 16 and a fixed seat 17. The four corners of the lower end of the test bench 1 are respectively bolted to the support columns 2; the lower part between the support columns 2 is bolted to the base plate 3; the middle position bolt at the rear of the upper end of the test bench 1 A first support plate 4 is connected; an oblique T-shaped slide groove 5 is provided on the upper part of the front surface of the first support plate 4; a control box 6 is bolted to the right side of the upper end of the first support plate 4; the slidable plug-in protective seat structure 7 is respectively arranged on the left and right sides of the upper end of the test bench 1; the resettable detection movable seat structure 8 is installed inside the oblique T-shaped slide groove 5; the rotatable dust removal and cooling cover structure 9 is respectively installed in the middle position of the left and right sides of the test bench 1; the inverted L-shaped shielding plate 10 is bolted to the upper end of the test bench 1 from left to right in sequence; the detection module 11 is installed at the lower end of the resettable detection movable seat structure 8; the vacuum cleaner 1 2 is bolted to the middle position of the upper end of the bottom plate 3; the lower part of the middle position on the left and right sides of the vacuum cleaner 12 is threadedly connected with a connecting pipe 13; the upper left side of the first support plate 4 is bolted to a fixed seat 17; a slide groove 15 is provided at the middle position of the upper end of the fixed seat 17; the lower part of the front surface and the lower part of the rear surface of the fixed seat 17 are respectively provided with slide holes 16; the supportable anti-sway positioning frame structure 14 is installed inside the upper end of the fixed seat 17; the slidable plug-in protective seat structure 7 includes a plug-in seat 71, a push-pull rod 72, a plug-in cavity 73, a protective pad 74, a fixed cavity 75 and a support wheel 76, and the plug-in seat 7 1 is bolted with a push-pull rod 72 at the middle position of the lower part of the front surface; a plug-in cavity 73 is opened at the middle position inside the upper end of the socket 71; a protective pad 74 is glued to the bottom end of the inner part of the plug-in cavity 73; a fixed cavity 75 is opened at the middle position inside the lower end of the socket 71; the internal pin shaft of the fixed cavity 75 is connected to a support wheel 76; when using, the test bench 1 is placed in a suitable position, and then the external power supply and control settings are turned on, the push-pull rod 72 is grasped to pull the socket 71, and the workpiece to be tested is placed inside the plug-in cavity 73, so as to facilitate the workpiece fixing during use.

[0024] In this embodiment, combined with the Figure 3As shown, the resettable detection movable seat structure 8 includes a sliding seat 81, a second support plate 82, a protective cover 83, a pressing tube 84, a reset spring 85 and a detection seat 86, and the second support plates 82 are bolted to the middle positions on the left and right sides of the front surface of the sliding seat 81; the second support plate 82 is bolted to the upper middle position of the inner wall of the protective cover 83; the pressing tube 84 runs through the inner middle position of the second support plate 82; the upper end of the reset spring 85 is bolted to the lower end of the second support plate 82; the lower end of the pressing tube 84 is bolted to the detection seat 86; after fixing the workpiece, the socket 71 is plugged between the inverted L-shaped baffle plates 10, and then the upper end of the pressing tube 84 is grasped for pressing, and the detection seat 86 is pushed to move, so that the detection module 11 contacts the appropriate position at the upper end of the workpiece, and then the detection work is carried out.

[0025] In this embodiment, combined with the Figure 4 As shown, the rotatable dust removal and cooling hood structure 9 includes a first fixed tube 91, a regulating valve 92, a second fixed tube 93, a metal hose 94 and a dust hood 95. The upper right part of the first fixed tube 91 is threadedly plugged with the regulating valve 92; the upper end of the first fixed tube 91 is threadedly connected to the right side of the lower end of the second fixed tube 93; the left end outer wall of the second fixed tube 93 is threadedly connected with the metal hose 94; the left end of the metal hose 94 is bolted to the middle position on the right side of the dust hood 95; during the detection process, the vacuum cleaner 12 is started to work, and the dust hood 95 generates suction through the power generated by the vacuum cleaner 12 when it is working, and then dust removal and cooling work are carried out during the detection process, which is convenient for dust removal during the cooling process to prevent excessive dust from affecting the detection efficiency, thereby completing the detection work.

[0026] In this embodiment, combined with the Figure 5 As shown, the supporting anti-sway positioning frame structure 14 includes a supporting frame 141, a first hanging rod 142, a second hanging rod 143, a tightening bolt 144 and an inverted T-shaped sliding seat 145, the upper right side of the supporting frame 141 is bolted to the first hanging rod 142; the upper left side of the supporting frame 141 is bolted to the second hanging rod 143; the upper middle position of the front surface of the second hanging rod 143 is threadedly connected with the tightening bolt 144; the rear end of the second hanging rod 143 is bolted to the inverted T-shaped sliding seat 145.

[0027] In this embodiment, specifically, the control box 6 is arranged on the upper rear right side of the test bench 1; the vacuum cleaner 12 and the connecting pipe 13 are connected; the connecting pipe 13 is a stainless steel pipe with one end sealed.

[0028] In this embodiment, specifically, the support wheels 76 are arranged at the lower end of the socket 71 from left to right; the push-pull rod 72 is a U-shaped stainless steel rod; and the protective pad 74 is a silicone pad.

[0029] In this embodiment, specifically, the socket 71 is slidably inserted between the inverted L-shaped shielding plates 10 ; the lower end of the support wheel 76 is arranged in contact with the upper end of the test bench 1 .

[0030] In this embodiment, specifically, the lower end of the reset spring 85 is arranged at the upper end of the detection seat 86; the reset spring 85 is sleeved on the lower part of the outer wall of the pressing tube 84; and the protective cover 83 adopts a transparent PVC cover.

[0031] In this embodiment, specifically, the sliding seat 81 is slidably inserted into the interior of the inclined T-shaped slide groove 5 ; the detection modules 11 are bolted to the middle position of the lower end of the detection seat 86 .

[0032] In this embodiment, specifically, the second fixed pipe 93 is a stainless steel pipe with a sealed right end and is connected to the first fixed pipe 91; the dust cover 95 is a transparent PVC cover.

[0033] In the present embodiment, specifically, the first fixed tube 91 passes through the middle position inside the left and right sides of the test bench 1 and is bolted; the lower end of the first fixed tube 91 is threadedly connected to the left and right sides of the connecting tube 13; the dust hood 95 is respectively arranged on the left and right sides of the upper end of the test bench 1.

[0034] In this embodiment, specifically, the first hanging rod 142 and the second hanging rod 143 are respectively made of inverted L-shaped stainless steel rods; the tightening bolt 144 passes through the middle position of the upper part of the front surface of the second hanging rod 143.

[0035] In this embodiment, specifically, the inverted T-shaped sliding seat 145 is slidably inserted into the interior of the slide groove 15; the lower end of the inverted T-shaped sliding seat 145 slides through the slide hole 16; the tightening bolt 144 and the front surface of the fixing seat 17 are contacted; the support frame 141 is arranged at the lower end of the second support plate 82 and is in contact; the support frame 141 slides through the rear end of the protective cover 83.

[0036] How it works

[0037] In the present invention, when in use, the test bench 1 is placed in a suitable position, and then the external power supply and control settings are turned on externally, the push-pull rod 72 is grasped to pull the socket 71, and the workpiece to be tested is placed inside the plug-in cavity 73, so as to facilitate the workpiece fixing work during use. After the workpiece is fixed, the socket 71 is plugged between the inverted L-shaped shielding plates 10, and then the upper end of the pressing tube 84 is grasped to press, and the detection seat 86 is pushed to move, so that the detection module 11 contacts the appropriate position of the upper end of the workpiece, and then the detection work is carried out. During the detection process, the vacuum cleaner 12 Start working, through the power generated by the vacuum cleaner 12 when working, the dust hood 95 generates suction, and then dust removal and cooling work are performed during the detection process, which is convenient for dust removal during the cooling process to prevent excessive dust from affecting the detection efficiency. During the detection process, the support frame 141 is set at the lower end of the second support plate 82 to support the sliding seat 81 to prevent the second support plate 82 from tilting during the detection process and affecting the detection work. At the same time, during the detection process, the support frame 141 is fixed by tightening the tightening bolts 144, which facilitates the positioning of the detection module 11, thereby completing the detection work.

[0038] Utilizing the technical solution described in the present invention, or those skilled in the art designing a similar technical solution inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the protection scope of the present invention.

Claims

1. A low-power shielded gate semiconductor power device testing device, comprising a test bench (1), a support column (2), a bottom plate (3), a first support plate (4), an inclined T-shaped slide groove (5), a control box (6), a slidable plug-in protective seat structure (7), a resettable detection movable seat structure (8), a rotatable dust removal and cooling cover structure (9), an inverted L-shaped shielding plate (10), a detection module (11), a dust collector (12), a connecting pipe (13), a support anti-sway positioning frame structure (14), a slide groove (15), a slide hole (16) and a fixed seat (17), wherein the four corners of the lower end of the test bench (1) are respectively bolted to the support columns (2); the lower part between the support columns (2) is bolted to the bottom plate (3); the middle position of the upper rear end of the test bench (1) is bolted to the first support plate (4); the first support An inclined T-shaped slide groove (5) is provided on the upper part of the front surface of the support plate (4); a control box (6) is bolted to the right side of the upper end of the first support plate (4); the inverted L-shaped shielding plate (10) is bolted to the upper end of the test bench (1) from left to right; the detection module (11) is installed at the lower end of the resettable detection movable seat structure (8); the vacuum cleaner (12) is bolted to the middle position of the upper end of the bottom plate (3); a connecting pipe (13) is threadedly connected to the lower part of the middle position of the left and right sides of the vacuum cleaner (12); a fixed seat (17) is bolted to the left side of the upper end of the first support plate (4); a slide groove (15) is provided at the middle position of the upper end of the fixed seat (17); sliding holes (16) are respectively provided at the lower part of the front surface and the lower part of the rear surface of the fixed seat (17); it is characterized in that The slidable plug-in protective seat structure (7) in the low-power shielded gate semiconductor power device test device is respectively arranged on the left and right sides of the upper end of the test bench (1); the resettable detection movable seat structure (8) is installed inside the inclined T-shaped slide groove (5); the rotatable dust removal and cooling cover structure (9) is respectively installed at the middle position inside the left and right sides of the test bench (1); the supportable anti-sway positioning frame structure (14) is installed inside the upper end of the fixed seat (17); the slidable plug-in protective seat structure (7) includes a plug-in seat (71), a push-pull rod (72), and a plug-in cavity (73). ), a protective pad (74), a fixed cavity (75) and a support wheel (76); a push-pull rod (72) is bolted to the middle position of the lower part of the front surface of the plug-in seat (71); a plug-in cavity (73) is provided at the middle position inside the upper end of the plug-in seat (71); a protective pad (74) is glued to the bottom end of the plug-in cavity (73); a fixed cavity (75) is provided at the middle position inside the lower end of the plug-in seat (71); a support wheel (76) is connected to the internal pin of the fixed cavity (75); the resettable detection movable seat structure (8) includes a sliding seat (81), a second A support plate (82), a protective cover (83), a pressing tube (84), a return spring (85) and a detection seat (86), wherein the middle positions of the left and right sides of the front surface of the sliding seat (81) are respectively bolted to the second support plate (82); the second support plate (82) is bolted to the upper middle position of the inner wall of the protective cover (83); the pressing tube (84) penetrates the middle position inside the second support plate (82); the upper end of the return spring (85) is bolted to the lower end of the second support plate (82); the lower end of the pressing tube (84) is bolted to the detection seat ( 86); the rotatable dust removal and cooling hood structure (9) comprises a first fixed pipe (91), a regulating valve (92), a second fixed pipe (93), a metal hose (94) and a dust hood (95); the regulating valve (92) is threadedly inserted into the upper right portion of the first fixed pipe (91); the upper end of the first fixed pipe (91) is threadedly connected to the right side of the lower end of the second fixed pipe (93); the metal hose (94) is threadedly connected to the outer wall of the left end of the second fixed pipe (93); the left end of the metal hose (94) is bolted to the middle position of the right side of the dust hood (95).

2. The low power consumption shielded gate semiconductor power device testing device as claimed in claim 1, characterized in that: The supportable anti-sway positioning frame structure (14) comprises a support frame (141), a first hanging rod (142), a second hanging rod (143), a tightening bolt (144) and an inverted T-shaped sliding seat (145), wherein the upper right side of the support frame (141) is bolted to the first hanging rod (142); the upper left side of the support frame (141) is bolted to the second hanging rod (143); the upper middle position of the front surface of the second hanging rod (143) is threadedly connected to the tightening bolt (144); and the rear end of the second hanging rod (143) is bolted to the inverted T-shaped sliding seat (145).

3. The low power consumption shielded gate semiconductor power device testing device as claimed in claim 1, characterized in that: The socket (71) is slidably inserted between the inverted L-shaped shielding plates (10); the lower end of the support wheel (76) is arranged in contact with the upper end of the test bench (1).

4. The low power consumption shielded gate semiconductor power device testing device as claimed in claim 1, characterized in that: The sliding seat (81) is slidably inserted into the interior of the inclined T-shaped sliding groove (5); and the detection modules (11) are respectively bolted to the middle position inside the lower end of the detection seat (86).

5. The low power consumption shielded gate semiconductor power device testing device as claimed in claim 1, characterized in that: The first fixing pipe (91) passes through the middle positions of the left and right sides of the test bench (1) and is bolted; the lower end of the first fixing pipe (91) is threadedly connected to the left and right sides of the connecting pipe (13); the dust cover (95) is arranged on the left and right sides of the upper end of the test bench (1).

6. The low power consumption shielded gate semiconductor power device testing device as claimed in claim 2, characterized in that: The inverted T-shaped sliding seat (145) is slidably inserted into the interior of the sliding groove (15); the lower end of the inverted T-shaped sliding seat (145) slides through the sliding hole (16); and the front surfaces of the tightening bolt (144) and the fixing seat (17) are in contact with each other.

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