CN210954120U - Diode electrical property detection device - Google Patents
Diode electrical property detection device Download PDFInfo
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- CN210954120U CN210954120U CN201921910922.0U CN201921910922U CN210954120U CN 210954120 U CN210954120 U CN 210954120U CN 201921910922 U CN201921910922 U CN 201921910922U CN 210954120 U CN210954120 U CN 210954120U
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Abstract
The utility model discloses a diode electrical property detection device, it includes dull and stereotyped (1), sets up in ohmmeter (2) of dull and stereotyped (1) below, be provided with left plastic cylinder (3) on dull and stereotyped (1), the upper end of left plastic cylinder (3) inner chamber is provided with step hole A (4), is provided with copper post A (5) in the macropore of step hole A (4), and copper post A (5) support on the circular bead of step hole A (4), and the bottom welding of copper post A (5) has copper ring A (6) that are located step hole A (4), waist shape hole (7) have been seted up on dull and stereotyped (1), and waist shape hole (7) are located the right side of left plastic cylinder (3), and the top in waist shape hole (7) is provided with right plastic cylinder (8) that support on dull and stereotyped (1) top surface. The utility model has the advantages that: compact structure, the fine protection diode stabilizer blade, easy operation, improvement diode detection efficiency.
Description
Technical Field
The utility model relates to a technical field of sampling detection diode resistance, especially a diode electrical property detection device.
Background
The diode is used as a common electronic component, as shown in the figure, the diode is a structural schematic diagram of the diode, the demand is large, in order to ensure the yield of the diodes leaving the factory, manufacturers of the diodes need to perform electrical performance detection on the diodes of different models, namely, the resistance of the diode is tested, if the qualification rate of the sampled diodes is high, the batch of diodes leaving the factory is considered to be qualified, and if the qualification rate of the sampled diodes is low, the batch of diodes is considered to be unqualified, and the detection device needs to be used again for detection. Currently, the steps for detecting the resistance of the diode are: the quality testing personnel firstly place the resistance meter and the diode to be tested on the workbench, then clamp one chuck of the resistance meter on one support leg of the diode, clamp the other chuck on the other support leg of the diode, read the resistance of the diode after clamping, and judge whether the sampled diode is qualified. However, the legs of the diode are relatively slender, and when a collet is used, the legs are easily pinched off, so that the data detected by the ohmmeter is inaccurate. In addition, quality testing personnel need operate the chuck and clip the stabilizer blade, have increased work load, are unfavorable for short-term test diode resistance, have the defect that detection efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a compact structure, fine protection diode stabilizer blade, easy operation, improve diode detection efficiency's diode electrical property detection device.
The purpose of the utility model is realized through the following technical scheme: a diode electrical property detection device comprises a flat plate and an ohmmeter arranged below the flat plate, wherein a left plastic cylinder is arranged on the flat plate, a step hole A is formed in the upper end of the inner cavity of the left plastic cylinder, a copper cylinder A is arranged in the large hole of the step hole A and supported on the shoulder of the step hole A, a copper ring A located in the step hole A is welded at the bottom of the copper cylinder A, a waist-shaped hole is formed in the flat plate and located on the right side of the left plastic cylinder, a right plastic cylinder supported on the top surface of the flat plate is arranged above the waist-shaped hole, a step hole B is arranged at the upper end of the inner cavity of the right plastic cylinder, a copper cylinder B is arranged in the large hole of the step hole B and supported on the shoulder of the step hole B, a copper ring B located in the step hole B is welded at the bottom of the copper cylinder B, a plastic plate is welded on the outer wall of the right plastic cylinder and supported, the plastic plate sequentially penetrates through the through hole and the waist-shaped hole through screws and is in threaded connection with a nut, and the nut is pressed against the bottom surface of the flat plate under the thread locking force; the left wire of ohmmeter is by the aperture setting of the step hole A of down up run through screw hole, left plastic cylinder, and the end of left wire is embedded into in the copper ring A and contacts with copper post A, and the right wire of ohmmeter is by the aperture setting of the step hole B of up running through waist shape hole, right plastic cylinder, and the end of right wire is embedded into in the copper ring B and contacts with copper post B, copper post A and copper post B's top surface is in on same horizontal plane.
The lower end part of the outer wall of the left plastic cylinder is provided with an external thread, the flat plate is provided with a threaded hole, and the left plastic cylinder is fixed on the flat plate through the external thread and the threaded hole in a threaded connection mode.
The welding of dull and stereotyped bottom has the supporting leg, and the welding has the backup pad between the supporting leg, and the welding has two baffles of vertical setting in the backup pad, the ohmmeter sets up between two baffles and supports on the backup pad top surface.
And the tail end of the left lead is in interference fit with an inner hole of the copper ring A.
And the tail end of the right lead is in interference fit with an inner hole of the copper ring B.
The utility model has the advantages of it is following: the utility model discloses compact structure, fine protection diode stabilizer blade, easy operation, improvement diode detection efficiency.
Drawings
FIG. 1 is a schematic diagram of a diode structure;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a top view of FIG. 2;
fig. 4 is a schematic view of the operation of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
as shown in fig. 2 to 3, a diode electrical property detection device comprises a flat plate 1 and an ohmmeter 2 arranged below the flat plate 1, wherein a left plastic cylinder 3 is arranged on the flat plate 1, a step hole A4 is arranged at the upper end of an inner cavity of the left plastic cylinder 3, a copper column A5 is arranged in a large hole of the step hole A4, the copper column A5 is supported on a shoulder of a step hole A4, a copper ring A6 positioned in the step hole A4 is welded at the bottom of the copper column A5, a waist-shaped hole 7 is arranged on the flat plate 1, the waist-shaped hole 7 is positioned at the right side of the left plastic cylinder 3, a right plastic cylinder 8 supported on the top surface of the flat plate 1 is arranged above the waist-shaped hole 7, a step hole B9 is arranged at the upper end of an inner cavity of the right plastic cylinder 8, a large-hole copper column B10 is arranged in the step hole B9, a copper column B10 is supported on a shoulder of the step hole B9, a copper ring B11 positioned in the step hole B9 is, the plastic plate 12 is supported on the flat plate 1, a through hole 13 is formed in the plastic plate 12, the plastic plate 12 sequentially penetrates through the through hole 13 and the waist-shaped hole 7 through a screw 14 and is in threaded connection with a nut 15, and the nut 15 is pressed against the bottom surface of the flat plate 1 under the threaded locking force; the left wire 16 of ohmmeter 2 is arranged by passing through the small holes of the threaded hole 18 and the step hole A4 of the left plastic cylinder 3 from bottom to top, the tail end of the left wire 16 is embedded into the copper ring A6 and is in contact with the copper column A5, the right wire 17 of ohmmeter 2 is arranged by passing through the small hole of the step hole B9 of the waist-shaped hole 7 and the right plastic cylinder 8 from top to bottom, the tail end of the right wire 17 is embedded into the copper ring B11 and is in contact with the copper column B10, and the top surfaces of the copper column A5 and the copper column B10 are located on the same horizontal plane.
The lower end part of the outer wall of the left plastic cylinder 3 is provided with an external thread, the flat plate 1 is provided with a threaded hole 18, and the left plastic cylinder 3 is fixed on the flat plate 1 through the external thread and the threaded hole 18 in a threaded connection mode. The bottom welding of dull and stereotyped 1 has supporting leg 19, and the welding has backup pad 20 between the supporting leg 19, and the welding has two baffles 21 of vertical setting on the backup pad 20, ohmmeter 2 sets up between two baffles 21 and supports on backup pad 20 top surface. The end of the left lead 16 is in interference fit with the inner hole of the copper ring A6. The end of the right wire 17 is in interference fit with the inner hole of the copper ring B11.
The working process of the utility model is as follows: the quality testing personnel inserts the two legs of the diode 22 to be inspected into the inner cavities of the left plastic cylinder 3 and the right plastic cylinder 8 respectively, the two legs of the diode 22 are supported on the top surfaces of the copper column A5 and the copper column B10 respectively after the two legs are inserted, as shown in FIG. 4, because the left lead 16 is in contact with the copper column A5, and the right lead 17 is in contact with the copper column B10, the resistance of the diode 22 to be inspected is displayed on the ohmmeter 2 at the moment, and the quality testing personnel judges whether the diode is qualified according to the standard value; after the detection is finished, the support legs of the diode 22 are pulled out only by pulling the diode 22 from bottom to top. Therefore, in the whole detection process, the clamping head is not needed to clamp the support legs of the diode 22, the influence on the measurement precision caused by the damage of the support legs is avoided, and the detection device has the characteristic of high accuracy in detecting the resistance value. In addition, only the form of directly inserting the supporting legs is needed during detection, a chuck is not needed, and the detection tool is completed in a short time, so that the detection efficiency is greatly improved.
When the diode with the large size is replaced, the distance between the two support legs of the diode is large, the nut 15 only needs to be unscrewed, the right plastic barrel 8 is moved rightwards along the waist-shaped hole 7, and when the right plastic barrel 8 and the left plastic barrel 3 are moved to the position where the distance between the two support legs of the diode with the large size can be enough to be inserted, the quality testing personnel tighten the nut 15 again so as to be convenient for detecting the diode with the large size. Therefore, the device can detect diodes with different leg pitches, and the application range is limited.
Claims (5)
1. A diode electrical property detection device is characterized in that: the anti-theft alarm comprises a flat plate (1) and an ohmmeter (2) arranged below the flat plate (1), wherein a left plastic cylinder (3) is arranged on the flat plate (1), a step hole A (4) is arranged at the upper end of the inner cavity of the left plastic cylinder (3), a copper cylinder A (5) is arranged in a large hole of the step hole A (4), the copper cylinder A (5) is supported on a shoulder of the step hole A (4), a copper ring A (6) positioned in the step hole A (4) is welded at the bottom of the copper cylinder A (5), a waist-shaped hole (7) is formed in the flat plate (1), the waist-shaped hole (7) is positioned on the right side of the left plastic cylinder (3), a right plastic cylinder (8) supported on the top surface of the flat plate (1) is arranged above the waist-shaped hole (7), a step hole B (9) is arranged at the upper end of the inner cavity of the right plastic cylinder (8), and a copper, the copper column B (10) is supported on a shoulder of the step hole B (9), a copper ring B (11) located in the step hole B (9) is welded at the bottom of the copper column B (10), a plastic plate (12) is welded on the outer wall of the right plastic cylinder (8), the plastic plate (12) is supported on the flat plate (1), a through hole (13) is formed in the plastic plate (12), the plastic plate (12) sequentially penetrates through the through hole (13) and the kidney-shaped hole (7) through a screw (14) and is in threaded connection with a nut (15), and the nut (15) is pressed against the bottom surface of the flat plate (1) under the thread locking force; left wire (16) of ohmmeter (2) is by the aperture setting of down up through screw hole (18), the step hole A (4) of left plastic cylinder (3), the end of left wire (16) is embedded into in copper ring A (6) and is contacted with copper post A (5), right wire (17) of ohmmeter (2) is by the aperture setting of up through waist shape hole (7), the step hole B (9) of right plastic cylinder (8), the end of right wire (17) is embedded into in copper ring B (11) and is contacted with copper post B (10), the top surface of copper post A (5) and copper post B (10) is in on same horizontal plane.
2. The device for detecting the electrical property of the diode as claimed in claim 1, wherein: the lower end part of the outer wall of the left plastic cylinder (3) is provided with an external thread, the flat plate (1) is provided with a threaded hole (18), and the left plastic cylinder (3) is fixed on the flat plate (1) through the threaded connection of the external thread and the threaded hole (18).
3. The device for detecting the electrical property of the diode as claimed in claim 1, wherein: the bottom welding of flat board (1) has supporting leg (19), and the welding has backup pad (20) between supporting leg (19), and the welding has two baffle (21) of vertical setting on backup pad (20), ohmmeter (2) set up between two baffle (21) and support on backup pad (20) top surface.
4. The device for detecting the electrical property of the diode as claimed in claim 1, wherein: the tail end of the left lead (16) is in interference fit with an inner hole of the copper ring A (6).
5. The device for detecting the electrical property of the diode as claimed in claim 1, wherein: the tail end of the right lead (17) is in interference fit with an inner hole of the copper ring B (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921910922.0U CN210954120U (en) | 2019-11-07 | 2019-11-07 | Diode electrical property detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921910922.0U CN210954120U (en) | 2019-11-07 | 2019-11-07 | Diode electrical property detection device |
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| Publication Number | Publication Date |
|---|---|
| CN210954120U true CN210954120U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921910922.0U Active CN210954120U (en) | 2019-11-07 | 2019-11-07 | Diode electrical property detection device |
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| CN (1) | CN210954120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118054844A (en) * | 2024-04-16 | 2024-05-17 | 微网优联科技(成都)有限公司 | Device and method for rapidly detecting multi-interface electrical performance of optical network terminal |
-
2019
- 2019-11-07 CN CN201921910922.0U patent/CN210954120U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118054844A (en) * | 2024-04-16 | 2024-05-17 | 微网优联科技(成都)有限公司 | Device and method for rapidly detecting multi-interface electrical performance of optical network terminal |
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