CN109225929B - Inductor performance automatic tester - Google Patents
Inductor performance automatic tester Download PDFInfo
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- CN109225929B CN109225929B CN201811127016.3A CN201811127016A CN109225929B CN 109225929 B CN109225929 B CN 109225929B CN 201811127016 A CN201811127016 A CN 201811127016A CN 109225929 B CN109225929 B CN 109225929B
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- 238000001514 detection method Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 230000002950 deficient Effects 0.000 claims abstract description 12
- 239000002699 waste material Substances 0.000 claims description 9
- 238000013519 translation Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 6
- 238000011056 performance test Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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
-
- 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
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
-
- 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
-
- 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
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
- B65D1/34—Trays or like shallow containers
- B65D1/36—Trays or like shallow containers with moulded compartments or partitions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/20—External fittings
- B65D25/24—External fittings for spacing bases of containers from supporting surfaces, e.g. legs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses an automatic inductor performance tester, which comprises a base and a wallboard, wherein the wallboard is fixed on the base, two sections of automatic conveying lines are fixed on the base, three performance detection areas are sequentially fixed between the two sections of automatic conveying lines according to the conveying direction, each performance detection area comprises a detection mechanism, a defective product collecting tank and a clamping mechanism, the detection mechanism and the defective product collecting tank are fixed on the base, the defective product collecting tank is positioned on one side of the detection mechanism, the clamping mechanisms are respectively arranged above the two sections of automatic conveying lines, and each clamping mechanism is driven by a corresponding cylinder to move up, down, left and right; the second slide rail which is arranged in the orthogonal mode with the automatic conveying line is fixed at the tail end of the base in the conveying direction, and the second slide rail is in sliding fit with the finished product collecting device. The invention realizes automatic conveying and automatic testing, improves the working efficiency and reduces the labor intensity.
Description
Technical Field
The invention relates to an automatic inductor performance tester, and belongs to the field of electronic device testing equipment.
Background
An inductor is a component capable of converting electrical energy into magnetic energy for storage and includes a core and a set of windings wound around the core. The inductor is used to block the current from changing, and if the inductor is in a state where no current passes, it will try to block the current when the circuit is on, and if the inductor is in a state where current passes, the inductor will try to maintain the current unchanged when the circuit is off, and the inductor is also called a reactor. The inductor needs to carry out performance detection such as comprehensive performance, high pressure resistance after production, and generally adopts the manual work to connect two terminals of test instrument to the inductor under the general circumstances, because of the power of hand contact is different, leads to the contact compactness between terminal and the inductor different to lead to this kind of mode probably to have the problem of test data's instability, test accuracy and reliability are low, and the operation is wasted time and energy.
CN2016204881313 discloses an inductor detection mechanism, the device includes limiting plate, circuit board and base, and circuit board fixed connection is on the base to be connected to the capacitance tester through the wire, limiting plate fixed connection is on the circuit board, and its middle part is provided with the square recess of placing the inductor, has placed conductive rubber in the recess, and two linkage segments of circuit board are located the square frame of recess. The inductor is positioned through the groove on the limiting plate, and the two terminals of the inductor are connected to the circuit board through the conductive rubber by pressing the inductor, so that the capacitive performance is tested. The test results are more reliable than with manual assistance. However, the inductor still needs to be manually placed in the device, and a plurality of testers are needed to finish various performance tests on the inductor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an inductor performance automatic tester with more reasonable structural design and higher working efficiency.
In order to achieve the above purpose, the invention adopts the following technical scheme: the automatic inductor performance tester comprises a base and a wallboard, wherein the wallboard is fixed on the base, and is characterized in that two sections of automatic conveying lines are fixed on the base, and three performance detection areas, namely a comprehensive performance test area, an inductance test area and a high voltage resistance test area, are sequentially fixed between the two sections of automatic conveying lines according to the conveying direction; each performance detection area comprises a detection mechanism, a defective product collecting tank and a clamping mechanism, wherein the detection mechanism and the defective product collecting tank are fixed on the base, the defective product collecting tank is positioned on one side of the detection mechanism, and each clamping mechanism is fixedly provided with a first sliding block; the upper part of the two sections of automatic conveying lines is also provided with respective clamping mechanisms, the clamping mechanisms are also fixed with first sliding blocks, corresponding first sliding rails are fixed on the wallboards, all the clamping mechanisms are in sliding fit with the first sliding rails through the first sliding blocks and are supported and fixed, and each clamping mechanism is driven to move up and down, left and right by corresponding air cylinders; the second slide rail which is arranged in the orthogonal mode with the automatic conveying line is fixed at the tail end of the base in the conveying direction, and the second slide rail is in sliding fit with the finished product collecting device.
Preferably, the detection mechanism comprises a base, two linkage plates, two placing blocks, a circuit board and a driving cylinder, wherein a sliding groove is formed in the base, two L-shaped placing blocks are fixed in the middle of the base, the two L-shaped placing blocks are oppositely arranged and form an inductor placing groove, a detection lamp is fixed on one of the placing blocks, the two linkage plates are respectively arranged on two sides of the placing block and the bottom of each linkage plate is fixedly provided with a T-shaped sliding block, the T-shaped sliding blocks are in sliding fit with the sliding groove, each linkage plate is further connected with the driving cylinder, a test contact is fixed on the inner side of each linkage plate, the test contacts on the two linkage plates are opposite, the two linkage plates are connected with the circuit board through a wire, the circuit board is fixed in the sliding groove between the two L-shaped placing blocks, and the circuit board is connected with a tester through the wire.
Preferably, the clamping mechanism comprises an inductor clamping head, a vertical driving cylinder and a translation driving cylinder, wherein the inductor clamping head is fixed on the vertical driving cylinder, and correspondingly, a vertical sliding rail is fixed on each first sliding block, and the vertical driving cylinder is in sliding fit with the vertical sliding rail through a sliding groove; and each first sliding block is connected with a translation driving cylinder through a linkage block, and the translation driving cylinders are fixed on the wallboard.
Preferably, the finished product collecting device comprises a finished product placing template and positioning columns, wherein the finished product placing template consists of a square frame main frame, a drawing type bottom plate and partition grid frames, sliding grooves are formed in the bottoms of two sides of the square frame main frame, two corresponding ends of the drawing type bottom plate are embedded into the sliding grooves and are in sliding fit with the sliding grooves, limiting grooves are formed in the periphery of the square frame main frame, the partition grid frames are placed in the square frame main frame and are internally tangent to the square frame main frame through the limiting grooves to limit, and the limiting columns are fixed on the drawing type bottom plate; sliding grooves are formed in two sides of the bottom of the drawing type bottom plate, the finished product collecting device is in sliding fit with two second sliding rails through the sliding grooves of the drawing type bottom plate, and a stop block matched with the limiting column is fixed between the second sliding rails.
Compared with the prior art, the invention has the following beneficial effects: 1. the inductor has the advantages that various performances of the inductor are tested on one device, so that automatic conveying and automatic testing are realized, the working efficiency is improved, and the labor intensity is reduced; 2. the special clamping mechanism realizes the left-right and up-down movement of the clamping head, and has high automation degree; 3. the special detection mechanism is convenient for placing the inductor, and meanwhile, the influence on the detection result caused by the fact that the placement groove is too small to damage the contact head of the inductor or too large is avoided, so that the performance test data of the inductor are more reliable; 4. the finished product collection device can collect a plurality of inductors at one time, and can easily take down all the inductors from the template, and is convenient to operate and high in efficiency.
Drawings
FIG. 1 is a schematic perspective view of the present invention
FIG. 2 is a front view of the present invention
FIG. 3 is a schematic structural view of the detecting mechanism according to the present invention
FIG. 4 is a schematic view of a clamping mechanism according to the present invention
Fig. 5 is a schematic structural diagram of a finished product collecting device according to a second embodiment of the present invention.
Detailed Description
The invention will now be further elucidated with reference to the drawings.
Example 1
The invention discloses an automatic inductor performance tester, which comprises a base 1 and a wallboard 2, wherein the wallboard 2 is fixed on the base 1, two sections of automatic conveying lines 3 are fixed on the base 1, and three performance detection areas, namely a comprehensive performance test area 4, an inductance test area 5 and a high voltage resistance test area 6, are sequentially fixed between the two sections of automatic conveying lines 3 from front to back according to the conveying direction; each performance detection area comprises a detection mechanism 7, a defective product collecting tank 8 and a clamping mechanism 9, wherein the detection mechanism 7 and the defective product collecting tank 8 are fixed on the base 1, the defective product collecting tank 8 is positioned on one side of the detection mechanism 7, and a first sliding block 10 is fixed on the upper part of each clamping mechanism 9; the upper part of the two sections of automatic conveying lines 3 is also provided with respective clamping mechanisms 9, the clamping mechanisms 9 are also fixed with first sliding blocks 10, correspondingly, the wallboard 2 is fixed with first sliding rails 11, all the clamping mechanisms 9 are in sliding fit with the first sliding rails 11 through the first sliding blocks 10 and are supported and fixed, and each clamping mechanism 9 is driven to move up and down, left and right by a corresponding air cylinder; a second slide rail 12 which is arranged orthogonal to the automatic conveying line 3 is fixed at the tail end of the base 1 in the conveying direction, and a finished product collecting device 13 is in sliding fit with the second slide rail 12.
The detection mechanism 7 comprises a base 7.1, two linkage plates 7.2, two placement blocks 7.3, a circuit board 7.4 and a driving cylinder 7.5, wherein a sliding groove 7.6 is formed in the base 7.1, two L-shaped placement blocks 7.3 are fixed in the middle of the base 7.1, the two L-shaped placement blocks 7.3 are oppositely arranged and form an inductor placement groove 7.7, a detection lamp 7.8 is fixed on one placement block 7.3, the two linkage plates 7.2 are respectively arranged on two sides of the placement block 7.3, a T-shaped sliding block 7.9 is fixed at the bottom of each linkage plate 7.2, the T-shaped sliding block 7.9 is in sliding fit with the sliding groove 7.6, a driving cylinder 7.5 is also connected to the bottom of the T-shaped sliding block of each linkage plate 7.2, a test contact 7.10 is fixed on the inner side of each linkage plate 7.2, the test contacts 7.10 on the two L-shaped linkage plates 7.2 are opposite, the two linkage plates 7.2 are connected with each other through a wire connecting circuit board 7.4, and the two L-shaped linkage plates 7.4 are connected with each other through the wire connecting instrument 7.4.
The clamping mechanism 9 comprises an inductor clamping head 9.1, a vertical driving air cylinder 9.2 and a translation driving air cylinder 9.3, wherein the inductor clamping head 9.1 is fixed on a telescopic rod of the vertical driving air cylinder 9.2, and correspondingly, a vertical sliding rail 9.4 is fixed on each first sliding block 10, and the vertical driving air cylinder 9.2 is in sliding fit with the vertical sliding rail 9.4 through a sliding groove; each first sliding block 10 is connected with a translation driving cylinder 9.3 through a linkage block 9.5, and the translation driving cylinders 9.3 are fixed on the wallboard 2.
The product collecting device 13 is a lattice-shaped template.
Example two
The other structures are the same as the embodiments except for the following structure which is different from the first embodiment:
The finished product collecting device 13 comprises a finished product placing template 13.1 and positioning columns 13.2, wherein the finished product placing template 13.1 consists of a square frame type main frame 13.11, a drawing type bottom plate 13.12 and partition grid frames 13.13, sliding grooves are formed in the bottoms of two sides of the square frame type main frame 13.11, two corresponding sides of the drawing type bottom plate 13.12 are embedded into the sliding grooves and are in sliding fit with the sliding grooves, limit grooves are formed in the periphery of the square frame type main frame 13.11, the partition grid frames 13.13 are placed in the square frame type main frame 13.11 and are limited through the limit grooves, and the limit columns 13.14 are vertically fixed downwards at the bottom of the drawing type bottom plate 13.12; the two sides of the bottom of the drawing type bottom plate 13.12 are provided with sliding grooves, the finished product collecting device 13 is in sliding fit with two second sliding rails 12 through the sliding grooves of the drawing type bottom plate 13.12, and a stop block 12.1 for blocking the limiting column 13.14 is fixed between the second sliding rails 12.
When the device works, an inductor to be detected is conveyed to one side of a comprehensive performance detection area by a section of automatic conveying line, a clamping mechanism above the section of automatic conveying line acts, one inductor is taken out from the automatic conveying line and placed into the comprehensive performance detection area, comprehensive performance detection is carried out in the comprehensive performance detection area, if qualified products are detected, the qualified products are clamped by the clamping mechanism of the voltage detection area and placed in the detection mechanism of the voltage detection area, and unqualified products are placed in a waste collection tank beside the waste collection tank; after the detection of the voltage detection area is finished, the qualified waste is clamped by the corresponding clamping mechanism and placed in the detection mechanism of the high-voltage resistant detection area, and the unqualified waste is also placed in the corresponding side waste collecting tank; then after the inductor entering the high-voltage-resistant detection area carries out high-voltage-resistant detection, the qualified inductor is clamped by a clamping mechanism above another section of automatic conveying line and placed in a grid area of the finished product collecting device, and in the process of placing the finished product, the air cylinder drives the finished product collecting device to slide on a second sliding rail, so that the corresponding grid area is pushed to a placing station, and a swinging plate is realized.
Claims (2)
1. The automatic inductor performance tester comprises a base and a wallboard, wherein the wallboard is fixed on the base, and is characterized in that two sections of automatic conveying lines are fixed on the base, and three performance detection areas, namely a comprehensive performance test area, an inductance test area and a high voltage resistance test area, are sequentially fixed between the two sections of automatic conveying lines according to the conveying direction; each performance detection area comprises a detection mechanism, a defective product collecting tank and a clamping mechanism, wherein the detection mechanism and the defective product collecting tank are fixed on the base, the defective product collecting tank is positioned on one side of the detection mechanism, and each clamping mechanism is fixedly provided with a first sliding block; the upper part of the two sections of automatic conveying lines is also provided with respective clamping mechanisms, the clamping mechanisms are also fixed with first sliding blocks, corresponding first sliding rails are fixed on the wallboards, all the clamping mechanisms are in sliding fit with the first sliding rails through the first sliding blocks and are supported and fixed, and each clamping mechanism is driven to move up and down, left and right by corresponding air cylinders; A second sliding rail which is arranged orthogonal to the automatic conveying line is fixed at the tail end of the base in the conveying direction, and a finished product collecting device is in sliding fit with the second sliding rail; The detection mechanism comprises a base, two linkage plates, two placement blocks, a circuit board and a driving cylinder, wherein a chute is formed in the base, two L-shaped placement blocks are fixed in the middle of the base, the two L-shaped placement blocks are oppositely arranged and form an inductor placement groove, a detection lamp is fixed on one placement block, the two linkage plates are respectively arranged on two sides of the placement block, a T-shaped sliding block is fixed at the bottom of each linkage plate, the T-shaped sliding block is in sliding fit with the chute, the driving cylinder is further connected on each linkage plate, a test contact is fixed on the inner side of each linkage plate, the test contacts on the two linkage plates are opposite, the two linkage plates are connected with the circuit board through wires, The circuit board is fixed in the chute between the two L-shaped placing blocks and is connected with the tester through a wire; The inductor to be detected is conveyed to one side of the comprehensive performance detection area by a section of automatic conveying line, the clamping mechanism above the section of automatic conveying line acts, one inductor is taken out from the automatic conveying line and placed in the comprehensive performance detection area, comprehensive performance detection is carried out in the comprehensive performance detection area, if qualified products are detected, the qualified products are clamped by the clamping mechanism of the voltage detection area and placed in the detection mechanism of the voltage detection area, and unqualified products are placed in the waste collection groove beside; after the detection of the voltage detection area is finished, the qualified waste is clamped by the corresponding clamping mechanism and placed in the detection mechanism of the high-voltage resistant detection area, and the unqualified waste is also placed in the corresponding side waste collecting tank; Then, after the inductor entering the high-voltage-resistant detection area carries out high-voltage-resistant detection, the qualified inductor is clamped by a clamping mechanism above another section of automatic conveying line and is placed in a grid area of the finished product collecting device; the finished product collecting device comprises a finished product placing template and positioning columns, wherein the finished product placing template consists of a square frame type main frame, a drawing type bottom plate and partition grid frames, sliding grooves are formed in the bottoms of two sides of the square frame type main frame, two corresponding ends of the drawing type bottom plate are embedded into the sliding grooves and are in sliding fit with the sliding grooves, limiting grooves are formed in the periphery of the square frame type main frame, the partition grid frames are placed in the square frame type main frame and limited through the limiting grooves, and the limiting columns are fixed on the drawing type bottom plate; sliding grooves are formed in two sides of the bottom of the drawing type bottom plate, and the finished product collecting device is in sliding fit with the two second sliding rails through the sliding grooves of the drawing type bottom plate.
2. The automatic inductor performance tester according to claim 1, wherein the clamping mechanism comprises an inductor clamping head, a vertical driving cylinder and a translational driving cylinder, wherein the inductor clamping head is fixed on the vertical driving cylinder, and correspondingly, a vertical sliding rail is fixed on each first sliding block, and the vertical driving cylinder is in sliding fit with the vertical sliding rail through the sliding groove; and each first sliding block is connected with a translation driving cylinder through a linkage block, and the translation driving cylinders are fixed on the wallboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811127016.3A CN109225929B (en) | 2018-09-27 | 2018-09-27 | Inductor performance automatic tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811127016.3A CN109225929B (en) | 2018-09-27 | 2018-09-27 | Inductor performance automatic tester |
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| CN109225929A CN109225929A (en) | 2019-01-18 |
| CN109225929B true CN109225929B (en) | 2024-09-20 |
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| CN110345883B (en) * | 2019-06-19 | 2024-05-24 | 常州旅游商贸高等职业技术学校 | End angle skew detection mechanism |
| CN110280501B (en) * | 2019-07-25 | 2024-07-12 | 苏州诠泰智能装备有限公司 | Automatic testing machine for inductor function |
| CN113686377A (en) * | 2021-06-07 | 2021-11-23 | 江苏蓝沛新材料科技有限公司 | Automatic online inspection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208825029U (en) * | 2018-09-27 | 2019-05-07 | 湖南俊宇电子科技有限公司 | A kind of inductor performance automatic test instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5568870A (en) * | 1994-08-18 | 1996-10-29 | Testec, Inc. | Device for testing and sorting small electronic components |
| US6194679B1 (en) * | 1999-08-06 | 2001-02-27 | Douglas J. Garcia | Four electrical contact testing machine for miniature inductors and process of using |
| CN203610334U (en) * | 2013-12-23 | 2014-05-28 | 浙江世明电器有限公司 | Inductance automatic testing sorter for transformers |
| JP2016075673A (en) * | 2014-10-02 | 2016-05-12 | Ntn株式会社 | Inductance measurement device and inductance measurement method |
| CN105855191B (en) * | 2015-09-22 | 2018-10-23 | 苏州亿馨源光电科技有限公司 | A kind of fixed inductance automatic sorting production line |
| CN105903691A (en) * | 2016-05-18 | 2016-08-31 | 海宁联丰东进电子有限公司 | I-shaped good electric inductor classifying mechanism |
| CN205786864U (en) * | 2016-05-26 | 2016-12-07 | 贵阳顺络迅达电子有限公司 | A kind of detection device of inductor |
| CN206925027U (en) * | 2017-06-16 | 2018-01-26 | 昆山广辉精密五金有限公司 | A kind of inductance coil detection device |
| CN207123450U (en) * | 2017-06-19 | 2018-03-20 | 许昌学院 | A kind of workpiece pressure ATE |
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| CN208825029U (en) * | 2018-09-27 | 2019-05-07 | 湖南俊宇电子科技有限公司 | A kind of inductor performance automatic test instrument |
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