CN107356788B - Automatic loading device for testing high-current element - Google Patents
Automatic loading device for testing high-current element Download PDFInfo
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- CN107356788B CN107356788B CN201710547940.6A CN201710547940A CN107356788B CN 107356788 B CN107356788 B CN 107356788B CN 201710547940 A CN201710547940 A CN 201710547940A CN 107356788 B CN107356788 B CN 107356788B
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- supporting device
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- sliding table
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 34
- 239000000523 sample Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
Abstract
The invention relates to an automatic loading device for testing a large-current workpiece, which comprises: the electric sliding table is used for placing a fixed supporting device and a movable supporting device of a measured workpiece, and two pressing devices for pressing the measured workpiece; wherein the workpiece to be tested is placed on the top ends of the fixed supporting device and the movable supporting device; the fixed supporting device is fixed on the electric sliding table; the movable supporting device is arranged on the electric sliding table and can move on the electric sliding table relative to the fixed supporting device so as to place the measured workpieces with different sizes; the two pressing devices are respectively arranged on the fixed supporting device and the movable supporting device and are used for pressing the workpiece to be measured from the upper part. The loading device can be automatically adjusted according to the size of a workpiece, and damage to a tested element can be reduced.
Description
Technical Field
The invention belongs to the field of electric energy testing, and particularly relates to an automatic loading device for testing a large-current element.
Background
In the current electric energy test experiment, taking a shunt as an example, the shunt for domestic direct current electric energy verification is various in types, as shown in fig. 1, the specification and the size are different, the current domestic shunt verification mode is manual spanner screwing, the bolt is tightly pressed by a strong force, as shown in fig. 2, the shunt is ensured to be fully contacted with the wiring nose, so that the shunt can safely pass through large current, and the contact part is ensured not to generate heat.
Firstly, manually clamping, namely manually adjusting the position of a splitter supporting platform to ensure that a splitter positioning hole is consistent with the position of a bolt hole of the supporting platform, so that the structure is complex in action and low in efficiency; secondly, the bolt is screwed by the wrench, so that the bolt compresses the shunt to ensure that the shunt is tightly attached to the wiring nose, the shunt can be slightly deformed when being strongly compressed for passing a large current, and the appearance surface of the shunt can be generally damaged when being strongly screwed; thirdly, the spanner is screwed up, the labor intensity is large. Therefore, it is a technical problem to be solved by those skilled in the art to increase the automation level to improve the efficiency and reduce the damage to the device under test.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the automatic loading device for testing the large-current element, which can automatically adjust the clamping position according to the shapes and the sizes of the shunts with different specifications by utilizing the electric sliding table and the electric cylinder to servo-control the movement of the output position.
The invention adopts the following technical scheme: an automatic loading device for high current workpiece testing, the device comprising: the electric sliding table is used for placing a fixed supporting device and a movable supporting device of a measured workpiece, and two pressing devices for pressing the measured workpiece; wherein the workpiece to be tested is placed on the top ends of the fixed supporting device and the movable supporting device; the fixed supporting device is fixed on the electric sliding table; the movable supporting device is arranged on the electric sliding table and can move on the electric sliding table relative to the fixed supporting device so as to place the measured workpieces with different sizes; the two pressing devices are respectively arranged on the fixed supporting device and the movable supporting device and are used for pressing the workpiece to be measured from the upper part.
Further, still be provided with the slide on the electronic slip table, the slide can be followed the long limit direction of electronic slip table and removed, but mobile support device fixes on the slide.
Furthermore, the top ends of the fixed supporting device and the movable supporting device are also provided with a convex block for limiting the workpiece to be measured.
Furthermore, the compressing device is provided with a telescopic mechanism which can be lifted.
Further, the fixed supporting device and the movable supporting device support the workpiece to be tested through a high-current spring probe.
Further, the slide plate is driven by a servo motor.
Further, the pressing device is driven by a servo motor.
Furthermore, the loading device is connected with an upper computer, the upper computer stores the specification parameters of the workpiece to be detected, and the adjusting position of the movable supporting device and the lifting amplitude of the pressing device are set according to the specification parameters of the specified workpiece to be detected.
Further, the pressing device is a pressing electric cylinder or a pressing air cylinder.
The invention has the beneficial effects that:
the invention adopts a multi-contact small-area contact mode to ensure the passing of large current, namely, a large-current spring probe supporting mode is adopted to solve the problem of poor contact of the shunt caused by the structure and manufacturing errors of the shunt product; meanwhile, the spring probe has certain flexibility, the pressing electric cylinder can ensure the contact of the shunt and the probe under the condition of very small pressure, and the damage and the deformation of the surface of the shunt caused by strong pressing are avoided.
The electric sliding table and the electric cylinder can be used for servo control of output position movement, clamping positions can be automatically adjusted according to shapes and sizes of shunts of different specifications, specification parameters of different types of shunts are stored in the upper computer, the moving position of the electric sliding table and lifting of the electric cylinder are set according to structural specifications of the shunts, and therefore automatic clamping of the shunts is achieved.
The invention has wide application range, can be applied to shunt test, direct current electric energy meter test and charging pile current test, and can also be applied to other electric energy test devices with various specifications and types needing large current.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a table listing the specifications and shapes of prior art diverters;
FIG. 2 is a prior art diverter detection apparatus;
FIG. 3 is a perspective view of the loading device of the present invention;
FIG. 4 is a rear view of the loading device of the present invention;
FIG. 5 is a front view of the loading device of the present invention;
FIG. 6 is a side view of the fixed support of the present invention;
FIG. 7 is a perspective view of the electric slide table of the present invention;
FIG. 8 is a perspective view of the compression device of the present invention;
fig. 9 is a perspective view of the loading device of the present invention.
The device comprises an electric sliding table 1, an electric sliding table 2, a workpiece to be detected 3, a fixed supporting device 4, a movable supporting device 5, a pressing device 6, a telescopic mechanism 7 and a sliding plate.
The specific implementation mode is as follows:
it should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The invention is further described with reference to the following figures and examples.
An exemplary embodiment of the present invention is an automatic loading device for testing a large-current workpiece, which is schematically shown in fig. 3-5, and comprises: the device comprises an electric sliding table (1), a fixed supporting device (3) and a movable supporting device (4) which are used for placing a workpiece to be detected (2), and two pressing devices (5) which are used for pressing the workpiece to be detected; wherein the workpiece (2) to be measured is placed on top of the fixed supporting device (3) and the movable supporting device (4); the fixed supporting device (3) is fixed on the electric sliding table (1); the movable supporting device (4) is arranged on the electric sliding table (1) and can move on the electric sliding table (1) relative to the fixed supporting device (3) so as to place the measured workpieces (2) with different sizes; the two pressing devices (5) are respectively arranged on the fixed supporting device (3) and the movable supporting device (4) and are used for pressing the workpiece (2) to be measured from the upper part.
The fixed support means is shown in figure 6.
Still be provided with slide (7) on the electric sliding table, slide (7) can be followed electric sliding table (1) long limit direction and removed, but mobile support device (4) are fixed on slide (7).
The movable support means follows the slide along the electric slide table as shown in fig. 7.
The top ends of the fixed supporting device (3) and the movable supporting device (4) are also provided with convex blocks for limiting the workpiece (2) to be measured.
The compressing device is provided with a telescopic mechanism (6) which can be lifted and lowered, as shown in figure 8.
And the fixed supporting device (3) and the movable supporting device (4) support the workpiece to be measured through a large-current spring probe.
The pressing device (5) is a pressing electric cylinder or a pressing air cylinder.
The sliding table (7) is driven by a servo motor.
The pressing device (5) is driven by a servo motor.
The loading device is connected with an upper computer, the upper computer stores the specification parameters of the workpiece to be measured, and the adjusting position of the movable supporting device and the lifting amplitude of the pressing device are set according to the specification parameters of the specified workpiece to be measured.
By adopting the scheme of the embodiment, the position can be automatically adjusted according to the information stored by the upper computer, and the workpiece can be automatically clamped, namely, the position of the supporting platform is adjusted by adopting the left-right movement of the electric sliding table, the workpiece to be tested which meets different specifications can be placed on the supporting device under the servo control, and the electric cylinder is pressed to complete the action of testing the flow divider; the large-current spring probe supporting mode ensures that large current passes through the contact surface of the shunt, and avoids the heating phenomenon of a tested workpiece caused by poor contact; the test process is full-automatic, and the operation is convenient; the scheme of this embodiment application scope is wide, except being applied to the shunt test, fills electric pile current test, can also be applied to in other specifications that need pass through heavy current various electric energy testing arrangement.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. An automatic loading device for high-current workpiece testing, characterized in that the device comprises: the device comprises an electric sliding table (1), a fixed supporting device (3) and a movable supporting device (4) which are used for placing a workpiece to be detected (2), and two pressing devices (5) which are used for pressing the workpiece to be detected; wherein the workpiece (2) to be measured is placed on top of the fixed supporting device (3) and the movable supporting device (4); the fixed supporting device (3) is fixed on the electric sliding table (1); the movable supporting device (4) is arranged on the electric sliding table (1) and can move on the electric sliding table (1) relative to the fixed supporting device (3) so as to place the measured workpieces (2) with different sizes; the two pressing devices (5) are respectively arranged on the fixed supporting device (3) and the movable supporting device (4) and are used for pressing the workpiece (2) to be measured from the upper part;
the fixed supporting device (3) and the movable supporting device (4) support a workpiece to be measured through a large-current spring probe;
the loading device is connected with an upper computer, the upper computer stores the specification parameters of the workpiece to be measured, and the adjusting position of the movable supporting device and the lifting amplitude of the pressing device are set according to the specification parameters of the specified workpiece to be measured.
2. The automatic loading device according to claim 1, characterized in that a sliding plate (7) is further arranged on the electric sliding table, the sliding plate (7) can move along the long side direction of the electric sliding table (1), and the movable supporting device (4) is fixed on the sliding plate (7).
3. The automatic loading device according to claim 1, characterized in that the fixed supporting device (3) and the movable supporting device (4) are provided with a bump at the top for limiting the workpiece (2) to be tested.
4. The automatic loading device according to claim 1, characterized in that the compressing device is provided with a telescopic mechanism (6) which can be lifted.
5. An automatic loading device according to claim 2, characterized in that the slide (7) is driven by a servo motor.
6. An automatic loading device according to claim 1, characterized in that said pressing means (5) are driven by a servomotor.
7. The automatic loading device according to claim 1, characterized in that the pressing device (5) is a pressing electric cylinder or a pressing air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710547940.6A CN107356788B (en) | 2017-07-06 | 2017-07-06 | Automatic loading device for testing high-current element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710547940.6A CN107356788B (en) | 2017-07-06 | 2017-07-06 | Automatic loading device for testing high-current element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107356788A CN107356788A (en) | 2017-11-17 |
| CN107356788B true CN107356788B (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710547940.6A Active CN107356788B (en) | 2017-07-06 | 2017-07-06 | Automatic loading device for testing high-current element |
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| CN (1) | CN107356788B (en) |
Citations (5)
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|---|---|---|---|---|
| US3611222A (en) * | 1969-06-13 | 1971-10-05 | Compteurs Comp D | Magnetoelectric indicating device with a great scale range |
| JPH0880922A (en) * | 1994-09-13 | 1996-03-26 | Tanahashi Kogyo Kk | Bag holder |
| JP2010272712A (en) * | 2009-05-22 | 2010-12-02 | Koa Corp | Method of manufacturing shunt resistor |
| CN203327406U (en) * | 2013-07-10 | 2013-12-04 | 惠州市亿能电子有限公司 | Shunt mounting box |
| CN205786707U (en) * | 2016-05-31 | 2016-12-07 | 重庆市泓淋科技有限公司 | Clamp for electrical measurement |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB9813982D0 (en) * | 1998-06-30 | 1998-08-26 | Mem Limited | Residual current detection device |
| CN201285406Y (en) * | 2008-08-15 | 2009-08-05 | 自然兴电通科技股份有限公司 | Thin holding structure for circuit board |
| US8981762B2 (en) * | 2011-09-19 | 2015-03-17 | General Electric Company | Apparatus and method for improved current shunt sensing |
| CN104134877B (en) * | 2014-07-30 | 2016-11-23 | 桐乡市伟达电子有限公司 | Ramp and diverter/integrated attachment structure of connection sheet and preparation method thereof |
| CN204166009U (en) * | 2014-09-17 | 2015-02-18 | 江苏京沂电器有限公司 | The quick termination of manganese copper diverter |
| CN204209578U (en) * | 2014-09-28 | 2015-03-18 | 天津众达精密机械有限公司 | The detection lowering or hoisting gear of auto parts and components |
| CN204882615U (en) * | 2015-06-19 | 2015-12-16 | 东莞市越铧电子科技有限公司 | General conductor tester with adjustable distance |
| CN204706744U (en) * | 2015-07-09 | 2015-10-14 | 濠玮电子科技（惠州）有限公司 | A kind of needle separating device of automatic needle inserting machine |
| CN205157585U (en) * | 2015-11-03 | 2016-04-13 | 北京普莱德新能源电池科技有限公司 | Battery package test switching system |
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2017
- 2017-07-06 CN CN201710547940.6A patent/CN107356788B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3611222A (en) * | 1969-06-13 | 1971-10-05 | Compteurs Comp D | Magnetoelectric indicating device with a great scale range |
| JPH0880922A (en) * | 1994-09-13 | 1996-03-26 | Tanahashi Kogyo Kk | Bag holder |
| JP2010272712A (en) * | 2009-05-22 | 2010-12-02 | Koa Corp | Method of manufacturing shunt resistor |
| CN203327406U (en) * | 2013-07-10 | 2013-12-04 | 惠州市亿能电子有限公司 | Shunt mounting box |
| CN205786707U (en) * | 2016-05-31 | 2016-12-07 | 重庆市泓淋科技有限公司 | Clamp for electrical measurement |
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| Title |
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| Intercomparison test on high current shunts for high power testing with STL reference shunt;Min Kyu Kim 等;《 2015 3rd International Conference on Electric Power Equipment – Switching Technology》;20151028;全文 * |
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| CN107356788A (en) | 2017-11-17 |
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