CN113092889A - Frequency converter performance test platform - Google Patents
Frequency converter performance test platform Download PDFInfo
- Publication number
- CN113092889A CN113092889A CN202110192714.7A CN202110192714A CN113092889A CN 113092889 A CN113092889 A CN 113092889A CN 202110192714 A CN202110192714 A CN 202110192714A CN 113092889 A CN113092889 A CN 113092889A
- Authority
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- China
- Prior art keywords
- frequency converter
- annular frame
- converter
- push
- workbench
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000011056 performance test Methods 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a performance test platform of a frequency converter, which comprises a workbench, a test device and a frequency converter clamping device, wherein the frequency converter clamping device comprises an annular frame, the annular frame is sleeved outside a tested frequency converter on the workbench and is in frictional and rotational connection with the workbench, a plurality of clamping units are arranged between the annular frame and the frequency converter, each clamping unit comprises a triangular clamping plate and a push-pull rod, the triangular clamping plate is horizontally arranged, one corner of the triangular clamping plate is rotationally connected with the workbench through a vertical rotating shaft, the other corner of the triangular clamping plate is rotationally connected with the front end of the push-pull rod, and the rear end of the push-pull rod is rotationally connected with a connecting seat on the inner side of the annular frame. The invention utilizes the annular frame to drive the plurality of clamping units to clamp the tested frequency converter from a plurality of directions, and simultaneously utilizes the friction resistance to position, thereby not only reliably fixing the frequency converter and ensuring the smooth operation of the test, but also having the advantages of simple structure, convenient operation and the like, and effectively improving the detection efficiency of the frequency converter.
Description
Technical Field
The invention relates to a frequency converter performance test platform convenient to operate, which can improve the test efficiency of a frequency converter and belongs to the technical field of test.
Background
The frequency converter is a power control device which controls an alternating current motor by changing the working power supply frequency of the motor, and mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detecting unit, a microprocessing unit and the like, wherein the frequency converter adjusts the voltage and the frequency of an output power supply by switching on and off an internal IGBT (insulated gate bipolar translator), and provides the required power supply voltage according to the actual requirement of the motor, so that the aims of energy saving and speed regulation are fulfilled.
In order to ensure the product quality, frequency converter manufacturers need to test the performance of the frequency converter, but the existing frequency converter performance test tables are inflexible in clamping the frequency converter and very complex in operation, so that the test efficiency of the frequency converter is greatly reduced, and therefore improvement is necessary.
Disclosure of Invention
The invention aims to provide a frequency converter performance test platform convenient to operate aiming at the defects of the prior art so as to improve the test efficiency of a frequency converter.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a converter capability test platform, includes workstation, testing arrangement and converter clamping device, converter clamping device includes the annular frame, annular frame cover is connected outside the converter of being surveyed on the workstation and rotates with the workstation friction, is equipped with a plurality of centre gripping units between annular frame and converter, and every centre gripping unit includes triangle splint and the push-and-pull rod that the level was placed, a corner of triangle splint rotates through vertical pivot and workstation to be connected, and another corner rotates with the front end of push-and-pull rod to be connected, the rear end of push-and-pull rod rotates with the inboard connecting seat of annular frame to be connected.
Above-mentioned converter capability test platform, be equipped with on the annular frame along its circumference evenly distributed's a plurality of logical grooves, every logical inslot be equipped with workstation fixed connection's vertical spacing post, the fixed cover in outside of spacing post is equipped with the rubber sleeve, the rubber sleeve and the partial inner wall in close contact with who leads to the groove to rotation to the annular frame provides frictional resistance.
According to the frequency converter performance test platform, the limiting plates corresponding to the upper surface and the lower surface of the annular frame are mounted on the limiting columns.
According to the frequency converter performance test platform, the arc-shaped gasket is arranged at the position, corresponding to the frequency converter to be tested, of the triangular clamping plate.
According to the frequency converter performance test platform, the upper surface of the workbench is provided with the groove corresponding to the tested frequency converter.
Above-mentioned converter capability test platform, the bottom of recess is installed the buffering backing plate.
Above-mentioned converter capability test platform, rotatory handle is installed to one side of annular frame.
Above-mentioned converter capability test platform, the outside cover of rotatory handle is equipped with the sponge cover.
Above-mentioned converter capability test platform, testing arrangement installs on the workstation.
Above-mentioned converter capability test platform, the cushion plate is the rubber backing plate.
The invention utilizes the annular frame to drive the plurality of clamping units to clamp the tested frequency converter from a plurality of directions, and simultaneously utilizes the friction resistance to position, thereby not only reliably fixing the frequency converter and ensuring the smooth operation of the test, but also having the advantages of simple structure, convenient operation and the like, and effectively improving the detection efficiency of the frequency converter.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a top view of the present invention.
The reference numbers in the figures are: 1. a work table; 2. a testing device; 3. An annular frame; 4. a through groove; 5. a connecting seat; 6. a triangular splint; 7. a push-pull rod; 8. a limiting column; 9. a groove; 10. a cushion plate; 11. rotating the grip; 12. vertical pivot, 13, arc gasket.
Detailed Description
The invention provides a performance test platform for a frequency converter, which aims to solve the problems in the background art.
Referring to fig. 1 to 3, the testing device comprises a workbench 1, a testing device 2 is mounted on the upper surface of the workbench 1, an annular frame 3 is mounted on the upper surface of the workbench 1 at one side of the testing device 2, through grooves 4 are uniformly formed in the annular frame 3 at equal intervals, a limiting column 8 fixedly connected with the workbench 1 is arranged in each through groove 4, connecting seats 5 are uniformly mounted on the inner side of the annular frame 3 at equal intervals, a push-pull rod 7 is rotatably connected to one side of each connecting seat 5, a triangular clamping plate 6 is rotatably connected to the front end of each push-pull rod 7, and a vertical rotating shaft 12 fixedly connected with the workbench 1 is mounted at one corner of each triangular clamping plate 6.
In fig. 1 and 2, testing arrangement 2's surface embedding has the display screen, and testing arrangement 2's surface is located the below of display screen and is equipped with the button, through binding post with converter and testing arrangement 2 electric connection, operates equipment through the button to carry out the performance detection to the converter, be convenient for directly read out performance test's data through the display screen.
In fig. 3, the triangular clamping plate 6 is rotatably connected with the vertical rotating shaft 12, the triangular clamping plate 6 is convenient to rotate, the arc-shaped gasket 13 is installed on one side of the triangular clamping plate 6, the arc-shaped gasket mainly plays a role in buffering, and the frequency converter can be prevented from moving.
In fig. 2, a groove 9 is formed in the position, located on the ring frame 3, of the upper surface of the workbench 1, a cushion pad 10 is installed at the bottom of the groove 9, and the cushion pad 10 is a rubber member and mainly plays a role in buffering.
In fig. 3, a rotary grip 11 is attached to one side of the ring frame 3, a sponge cover is fitted over the surface of the rotary grip 11, and the ring frame 3 can be easily operated by rotating the rotary grip 11.
In fig. 2 and 3, it has the spacing post 8 of fixing at 1 upper surface of workstation to lead to movable mounting in groove 4, and spacing post 8 is located the upper and lower both sides that lead to groove 4 and all installs the limiting plate, mainly plays limiting displacement, and the fixed cover in outside of spacing post 8 is equipped with the rubber sleeve, increases spacing post 8 and leads to the frictional force between the groove 4.
The working principle of the invention patent is as follows: put into the recess 9 on the workstation 1 with the converter when using, act on the rotatory handle 11 of 3 lateral parts of annular frame through the exogenic action, thereby make annular frame 3 rotate under the effect of leading to groove 4 and spacing post 8, thereby further make connecting seat 5 drive push-and-pull rod 7 make triangle splint 6 rotate, under the mating reaction of a plurality of triangle splint 6, make the converter of putting into in the recess 9 to fix, this test platform easy operation, the centre gripping is stable, can improve the detection efficiency of converter. In addition, through binding post with converter and 2 electric connection of testing arrangement, operate equipment through the button to carry out performance detection to the converter, be convenient for directly read out performance test's data through the display screen.
The rotary handle is simple in structure and novel in design, the annular frame rotates under the action of the through groove and the limiting column through the action of external force on the rotary handle, the connecting seat further drives the push-pull rod to enable the triangular clamping plate to rotate, the frequency converter placed in the groove is fixed under the matching action of the triangular clamping plate, and the rotary handle has the advantages of being simple in operation, stable in clamping and the like, and the detection efficiency of the frequency converter can be improved.
The above description is only for the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention, the technical solutions and the inventive concepts of the present invention, which are equivalent to or changed by the technical solutions and the inventive concepts of the present invention, within the technical scope of the present invention.
Claims (10)
1. The utility model provides a converter capability test platform, characterized by, includes workstation (1), testing arrangement (2) and converter clamping device, converter clamping device includes annular frame (3), annular frame (3) cover is surveyed the converter outside on workstation (1) and is connected with workstation (1) friction rotation, is equipped with a plurality of centre gripping units between annular frame (3) and converter, and every centre gripping unit includes triangle splint (6) and push-and-pull rod (7) that the level was placed, one angle of triangle splint (6) is connected with workstation (1) rotation through vertical rotating shaft (12), and another angle is connected with the front end rotation of push-and-pull rod (7), the rear end of push-and-pull rod (7) is connected with connecting seat (5) rotation of annular frame (3) inboard.
2. The frequency converter performance testing platform according to claim 1, wherein a plurality of through grooves (4) are uniformly distributed along the circumferential direction of the annular frame (3), a vertical limiting column (8) fixedly connected with the workbench (1) is arranged in each through groove (4), a rubber sleeve is fixedly sleeved on the outer portion of each limiting column (8), and the rubber sleeve is in close contact with part of the inner wall of each through groove (4), so that friction resistance is provided for rotation of the annular frame (3).
3. The frequency converter performance test platform of claim 2, wherein the limiting columns (8) are provided with limiting plates corresponding to the upper and lower surfaces of the annular frame (3).
4. A platform for testing the performance of frequency converters according to any one of claims 1 to 3, wherein the triangular clamping plate (6) is provided with an arc-shaped gasket (13) at the position corresponding to the frequency converter to be tested.
5. A frequency converter performance test platform according to claim 4, characterized in that the upper surface of the workbench (1) is provided with a groove (9) corresponding to the frequency converter to be tested.
6. A frequency converter performance testing platform according to claim 5, characterized in that a buffer pad (10) is installed at the bottom of the groove (9).
7. The frequency converter performance testing platform according to claim 6, wherein a rotary handle (11) is mounted on one side of the annular frame (3).
8. The frequency converter performance testing platform of claim 7, wherein a sponge sleeve is sleeved on the outer portion of the rotating handle (11).
9. A frequency converter performance testing platform according to claim 8, characterized in that the testing device (2) is mounted on the working table (1).
10. The frequency converter performance testing platform of claim 9, wherein the buffer backing plate (10) is a rubber backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110192714.7A CN113092889A (en) | 2021-02-20 | 2021-02-20 | Frequency converter performance test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110192714.7A CN113092889A (en) | 2021-02-20 | 2021-02-20 | Frequency converter performance test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113092889A true CN113092889A (en) | 2021-07-09 |
Family
ID=76666123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110192714.7A Pending CN113092889A (en) | 2021-02-20 | 2021-02-20 | Frequency converter performance test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113092889A (en) |
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| CN109590934A (en) * | 2018-12-25 | 2019-04-09 | 深圳大学 | The spanner adjusted convenient for caliber size |
| CN210188794U (en) * | 2019-05-30 | 2020-03-27 | 厦门理工学院 | Workpiece clamping mechanism of rotary plasma cutting machine |
| CN210733662U (en) * | 2019-10-09 | 2020-06-12 | 李东 | Subway driver trains with portable blackboard |
| CN210754053U (en) * | 2019-10-10 | 2020-06-16 | 淮安帝泰华懋精密科技有限公司 | Stainless steel material belt cleaning equipment capable of effectively filtering impurities |
| CN211675520U (en) * | 2020-02-01 | 2020-10-16 | 广州宏丰生物技术有限公司 | Cleaning and sterilizing device for biomedical instruments |
| CN211698002U (en) * | 2019-11-03 | 2020-10-16 | 华科新能（天津）科技发展有限公司 | Fault detection device for frequency converter and circuit board |
| CN212313087U (en) * | 2020-03-26 | 2021-01-08 | 天津哲凌科技有限公司 | Material groove of computer label printer |
| US20210047967A1 (en) * | 2019-08-13 | 2021-02-18 | General Electric Company | Axial Retention Assembly for Combustor Components of a Gas Turbine Engine |
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2021
- 2021-02-20 CN CN202110192714.7A patent/CN113092889A/en active Pending
Patent Citations (16)
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| CN203159154U (en) * | 2013-03-29 | 2013-08-28 | 新疆农业科学院农业质量标准与检测技术研究所 | Screwing head of handheld cap screwing machine |
| CN104494330A (en) * | 2014-12-31 | 2015-04-08 | 苏州市职业大学 | Friction adjusting type ball-point cap |
| CN105108689A (en) * | 2015-08-28 | 2015-12-02 | 广西大学 | Caliber-adjustable wrench |
| CN107932384A (en) * | 2017-11-24 | 2018-04-20 | 深圳技术大学（筹） | The spanner of adjustable bore |
| CN108032243A (en) * | 2017-11-24 | 2018-05-15 | 深圳大学 | The sleeve of adjustable caliber size |
| CN208001725U (en) * | 2018-03-27 | 2018-10-26 | 王晓磊 | A kind of root protector of Nursery Stock |
| CN208367129U (en) * | 2018-07-25 | 2019-01-11 | 上海鹰高无线通信技术有限公司 | A kind of low energy consumption frequency converter test platform |
| CN208535637U (en) * | 2018-09-10 | 2019-02-22 | 嘉兴拓奇机电有限公司 | A kind of hand-held rechargeable LED lamp fixed convenient for plane positioning |
| CN109590934A (en) * | 2018-12-25 | 2019-04-09 | 深圳大学 | The spanner adjusted convenient for caliber size |
| CN210188794U (en) * | 2019-05-30 | 2020-03-27 | 厦门理工学院 | Workpiece clamping mechanism of rotary plasma cutting machine |
| US20210047967A1 (en) * | 2019-08-13 | 2021-02-18 | General Electric Company | Axial Retention Assembly for Combustor Components of a Gas Turbine Engine |
| CN210733662U (en) * | 2019-10-09 | 2020-06-12 | 李东 | Subway driver trains with portable blackboard |
| CN210754053U (en) * | 2019-10-10 | 2020-06-16 | 淮安帝泰华懋精密科技有限公司 | Stainless steel material belt cleaning equipment capable of effectively filtering impurities |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210709 |