CN112763895A - Frequency conversion system detection equipment - Google Patents
Frequency conversion system detection equipment Download PDFInfo
- Publication number
- CN112763895A CN112763895A CN202011587368.4A CN202011587368A CN112763895A CN 112763895 A CN112763895 A CN 112763895A CN 202011587368 A CN202011587368 A CN 202011587368A CN 112763895 A CN112763895 A CN 112763895A
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- circuit board
- frequency conversion
- test head
- splicing
- test
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- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 49
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000006978 adaptation Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a frequency conversion system detection device, which belongs to the technical field of edge calculation and comprises a transmission mechanism, a tray table arranged on the transmission mechanism and used for placing a frequency converter circuit board and a detector arranged on a rack, wherein the detector is electrically connected with a test head, a frequency conversion signal is measured through a test point of the test head contacting the frequency converter circuit board, the tray table is formed by splicing a plurality of splicing blocks, a groove is arranged on the splicing block positioned in the middle, a placement area is formed by the splicing blocks with the grooves, and the placement area is matched with the size of the frequency converter circuit board. The supporting platform formed by the splicing blocks is used as a positioning clamp on the circuit board of the frequency converter, so that the circuit board can move on the transmission mechanism more stably, the supporting platform is fixed on the transmission mechanism and can move along with the transmission mechanism in a circulating manner, and the circuit board can be placed in advance under the condition that the supporting platform is large in quantity, so that continuous detection is performed, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of frequency converters, in particular to a frequency conversion system detection device.
Background
The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor. The frequency converter 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 detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.
Need detect before the converter dispatches from the factory, the testing mode of general converter is through placing the converter circuit board on the testboard, by the output electrode of detector measurement circuit board, whether measuring current's change satisfies the regulation, traditional testboard adopts transmission device to drive the circuit board and removes test station, but can only wait to test and finish and place the circuit board that awaits measuring again, lead to the work efficiency step-down, and need the artifical output electrode of the test head contact circuit board of holding the tester in the testing process, not only the operation is got up inconveniently, and the error appears easily.
Disclosure of Invention
The invention aims to solve the problems that the frequency converter detection equipment is low in detection efficiency, needs manual measurement and is troublesome and inaccurate in operation, and the frequency conversion system detection equipment has the advantages of reducing the time between circuit board placement and measurement, improving the working efficiency, being capable of intelligently positioning and detecting, being simple in operation and not prone to error.
The invention realizes the purpose through the following technical scheme, and the frequency conversion system detection equipment comprises a transmission mechanism, a tray table arranged on the transmission mechanism and used for placing a frequency converter circuit board, and a detector arranged on a rack, wherein the detector is electrically connected with a test head, a frequency conversion signal is measured through a test point of the test head contacting the frequency converter circuit board, the tray table is formed by splicing a plurality of splicing blocks, a groove is arranged on the splicing block positioned in the middle, a placement area is formed by the splicing blocks with the grooves, and the placement area is matched with the size of the frequency converter circuit board.
Preferably, the conveying mechanism comprises a driving roller and a conveying belt, and the bottom of the splicing block is provided with a buckle which is fixed on the conveying belt.
Preferably, the adjacent splicing blocks are movably connected, so that the splicing blocks are separated from each other when the pallet passes through the driving roller, and the pallet is spliced again after leaving the driving roller.
Preferably, all embedded magnet piece on the lateral wall of splice piece mutual contact, through the mutual magnetism concatenation of opposite sex magnet piece.
Preferably, the rack is provided with a multi-axis electric slide rail and a slide seat arranged on the multi-axis electric slide rail, the slide seat is further provided with an air cylinder, and the output end of the air cylinder is connected with the test head through a connecting rod.
Preferably, an industrial positioning camera is further installed on the sliding seat, the detector acquires position information of a frequency converter circuit board test point positioned by the industrial positioning camera, and the multi-shaft electric sliding rail and the air cylinder are driven to enable the test head to contact the test point.
Preferably, the test head comprises an electrode contact and a rubber sleeve sleeved outside the electrode contact.
Compared with the prior art, the invention has the beneficial effects that:
1. the pallet composed of the splicing blocks is used as a positioning clamp on the circuit board of the frequency converter, so that the circuit board can move on the transmission mechanism more stably, the pallet is fixed on the transmission mechanism and can move along with the transmission mechanism in a circulating manner, and the circuit board can be placed in advance under the condition of a large number of pallets for continuous detection, so that the working efficiency is improved; and can be through the notched splice piece of the area that increases the intermediate position for place the regional change, satisfy the use of the circuit board of equidimension, and adopt the splice piece of magnetism to inhale the concatenation, make the saddle can briefly disperse when the driving roller, splice again after leaving the driving roller, make the saddle circulation remove more smooth.
2. The industrial positioning camera is installed on the sliding seat, the test point position of the circuit board is accurately collected and transmitted to the detector, the detector drives the sliding seat to move to the position above the test point, and the cylinder pushes the test head to contact the test point for detection.
Drawings
FIG. 1 is a top view of the integrated device of the present invention.
FIG. 2 is a schematic view of the pallet structure of the present invention.
Fig. 3 is a schematic diagram of the structure of the splicing block of the present invention.
FIG. 4 is a schematic view of the state of the splice when the pallet of the present invention passes over the drive rollers.
Fig. 5 is a front view of the integrated device of the present invention.
Fig. 6 is a schematic diagram of a test point structure according to the present invention.
In the figure: 1. the device comprises a transmission mechanism, 2, a supporting platform, 3, a rack, 4, a detector, 5, a multi-shaft electric slide rail, 6, a slide seat, 7, a cylinder, 8, an industrial positioning camera, 9, a connecting rod, 10, a testing head, 11, a rubber sleeve, 12, an electrode contact, 13, a transmission roller, 14, a transmission belt, 15, a splicing block, 16, a placement area, 17, a magnet block, 18, a groove, 19 and a buckle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, a frequency conversion system detection device comprises a transmission mechanism 1, a pallet 2 arranged on the transmission mechanism 1 for placing a frequency converter circuit board, and a detector 4 arranged on a rack 3, wherein the detector 4 is electrically connected with a test head 10, a frequency conversion signal is measured through a test point of the test head 10 contacting the frequency converter circuit board, the pallet 2 is formed by splicing a plurality of splicing blocks 15, a groove 18 is arranged on the splicing block 15 in the middle, a placing area 16 is formed by the splicing blocks 15 with the groove 18, the placing area 16 is matched with the size of the frequency converter circuit board, the placing area 16 on the pallet 2 is used for placing the circuit board of the frequency converter, a plurality of pallets 2 can be placed on one transmission mechanism 1, when the pallet 3 close to the rack 3 enters the rack 3 area, a new frequency converter circuit board to be measured can be placed on the vacant pallet 2, after the circuit board in the area of the rack 3 is tested, the circuit board is taken down, and the rear tray 2 moves to the rack 3 to continue to measure, so that continuous measurement is realized without waiting, and the detection efficiency is improved.
As shown in fig. 3, the conveying mechanism 1 includes a driving roller 13 and a conveying belt 14, a buckle 19 is arranged at the bottom of the splicing block 15 and fixed on the conveying belt 14 through the buckle 19, the pallet 2 is assembled by the splicing block 15, the splicing block 15 with the groove 18 forms a placement area 16 of the pallet 2, and the splicing block 15 is fixed on the conveying belt 14 by the buckle 19, so that the area of the pallet 2 and the area of the placement area 16 can be changed only by changing the number of the splicing blocks 15 with the groove 18, and the placement area 16 can meet the circuit boards with different sizes, and the use requirements are met.
As shown in figure 4, the adjacent splicing blocks 15 are movably connected, so that the splicing blocks 15 are separated from each other when the pallet 2 passes through the transmission roller 13, the pallet 2 is spliced again after the pallet 2 leaves the transmission roller 13, the magnetic blocks 17 are embedded in the side walls of the splicing blocks 15, which are in contact with each other, the splicing blocks 17 are magnetically attracted and spliced with each other, the splicing blocks 15 form an integral pallet 2 in a magnetic attraction mode, and the adjacent splicing blocks 15 are detachable, so that when the pallet 2 moves onto the transmission roller 13 along with the transmission belt 14, the splicing blocks 15 are separated from each other by the arc amplitude of the transmission roller 13, and the splicing blocks 15 are integrated again after the pallet 2 leaves the transmission roller 13, so that the pallet 2 can circularly move along with the transmission belt 14, and the pallet 2 does not need to be placed again.
As shown in fig. 5, a multi-axis electric slide rail 5 and a sliding seat 6 mounted on the multi-axis electric slide rail 5 are mounted on the rack 3, a cylinder 7 is further mounted on the sliding seat 6, an output end of the cylinder 7 is connected with a test head 10 through a connecting rod 9, the multi-axis electric slide rail 5 can make the sliding seat 6 move in the X axis and the Y axis, so as to drive the test head 10 connected with the cylinder 7 to move in the X axis and the Y axis, the cylinder 7 can drive the test head 10 to move in the Z axis, so as to facilitate the test head 10 to move above the circuit board for detection, an industrial positioning camera 8 is further mounted on the sliding seat 6, the detector 4 acquires position information of a frequency converter circuit board test point positioned by the industrial positioning camera 8, drives the multi-axis electric slide rail 5 and the cylinder 7, so that the test head 10 contacts with the test point, the driving of the cylinder 7 and the electric multi-axis slide rail 5 are both, the position information is uploaded to the detector 4, the detector 4 drives the sliding seat 6 to move and the test head 10 to contact with the test point of the circuit board, so that the test head 10 collects the current signal of the test point, and whether the frequency conversion meets the standard or not is identified.
As shown in fig. 6, the test head 10 includes an electrode contact 12 and a rubber sleeve 11 sleeved outside the electrode contact 12, when the test head 10 descends, the rubber sleeve 11 contacts the circuit board before the circuit board, and the electrode contact 12 contacts the test point after the rubber sleeve 11 is pressed, so that the circuit board can be protected from being damaged by external impact.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a frequency conversion system check out test set, includes transmission device (1), sets up saddle (2) and the detector (4) of installing on rack (3) that are used for placing the converter circuit board on transmission device (1), and electric connection has test head (10) on detector (4), passes through test head (10) contact converter circuit board's test point measures the frequency conversion signal, its characterized in that, saddle (2) comprise a plurality of concatenation pieces (15) concatenation, wherein lie in the centre splice piece (15) are last to be provided with recess (18), a plurality of have splice piece (15) constitute place region (16), place region (16) and converter circuit board size looks adaptation.
2. The variable frequency system detection device according to claim 1, wherein the transmission mechanism (1) comprises a transmission roller (13) and a transmission belt (14), and a buckle (19) is arranged at the bottom of the splicing block (15) and fixed on the transmission belt (14) through the buckle (19).
3. The variable frequency system detection device according to claim 2, wherein adjacent splicing blocks (15) are movably connected, so that the splicing blocks (15) are separated from each other when the pallet (2) passes through the driving roller (13), and are spliced into the pallet (2) again after leaving the driving roller (13).
4. The frequency conversion system detection device according to claim 3, wherein the magnet blocks (17) are embedded in the side walls of the splicing blocks (15) which are in contact with each other, and are magnetically spliced with each other through the opposite magnet blocks (17).
5. The frequency conversion system detection device according to claim 1, wherein the rack (3) is provided with a multi-axis electric slide rail (5) and a sliding seat (6) arranged on the multi-axis electric slide rail (5), the sliding seat (6) is further provided with a cylinder (7), and an output end of the cylinder (7) is connected with the test head (10) through a connecting rod (9).
6. The frequency conversion system detection device according to claim 5, wherein an industrial positioning camera (8) is further mounted on the sliding seat (6), and the detector (4) acquires position information of a frequency converter circuit board test point positioned by the industrial positioning camera (8) and drives the multi-axis electric slide rail (5) and the air cylinder (7) to enable the test head (10) to contact the test point.
7. A variable frequency system test device according to claim 6, wherein the test head (10) comprises electrode contacts (12) and a rubber sleeve (11) fitted over the electrode contacts (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011587368.4A CN112763895A (en) | 2020-12-28 | 2020-12-28 | Frequency conversion system detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011587368.4A CN112763895A (en) | 2020-12-28 | 2020-12-28 | Frequency conversion system detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112763895A true CN112763895A (en) | 2021-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011587368.4A Pending CN112763895A (en) | 2020-12-28 | 2020-12-28 | Frequency conversion system detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112763895A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115542129A (en) * | 2022-10-31 | 2022-12-30 | 燕麦(杭州)智能制造有限公司 | Flexible circuit board electrical measuring machine |
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