CN112816822B - Electromagnetic brake rectifier test equipment and test method thereof - Google Patents
Electromagnetic brake rectifier test equipment and test method thereof Download PDFInfo
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- CN112816822B CN112816822B CN202110155488.5A CN202110155488A CN112816822B CN 112816822 B CN112816822 B CN 112816822B CN 202110155488 A CN202110155488 A CN 202110155488A CN 112816822 B CN112816822 B CN 112816822B
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- 238000012360 testing method Methods 0.000 title claims abstract description 76
- 238000010998 test method Methods 0.000 title claims abstract description 7
- 239000000523 sample Substances 0.000 claims abstract description 96
- 238000001514 detection method Methods 0.000 claims abstract description 92
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000001179 sorption measurement Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
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- 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
- G01R1/0416—Connectors, 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
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
Abstract
The invention belongs to electronic component detection and discloses electromagnetic brake rectifier test equipment and a test method thereof, wherein the test equipment comprises a clamping unit and a test unit, the test unit comprises a probe box and a box seat, the probe box is detachably connected with the box seat, the probe box comprises a core body, a ring sleeve and a detection probe, the core body is detachably connected with the box seat, the ring sleeve is sleeved on the core body, a plurality of detection probes are arranged and penetrate through the ring sleeve and the core body, the detection probes are fixedly connected with the ring sleeve relatively, a first elastic connecting part is arranged between the ring sleeve and the core body, and guide mechanisms are arranged on two sides of the core body and the ring sleeve. The test equipment provided by the invention realizes the protection of the detection probe, effectively reduces the equipment failure rate and obviously improves the detection efficiency.
Description
Technical Field
The invention belongs to the technical field of electrical property detection of electronic components, and particularly relates to electromagnetic brake rectifier testing equipment and a testing method thereof.
Background
The rectifier test of the electromagnetic brake is relatively close to the test of common electronic components, and various electrical parameters of the electromagnetic brake are tested by contacting a contact pin with certain voltage with a connecting terminal of the rectifier.
Chinese patent CN201811611369.0 discloses an electromagnetic braking ware rectifier test equipment, including workstation, binding post lid, test board, binding post and rectifier box, the top center department fixed mounting of workstation has the test board, the top equidistance of test board leaves and is equipped with three fourth recess, and is three the spout has all been seted up to the bottom of fourth recess, one side of fourth recess is through the one end of welded fastening second spring, the other end welded fastening of second spring has the fly leaf of vertical setting, the bottom bolt fastening of fly leaf has the slider, the arm-tie of the top fixedly connected with level setting of fly leaf, the fly leaf is used for fixed rectifier box, the rectifier box sets up in the fourth recess, the bottom inner wall equidistance of rectifier box evenly is provided with the baffle, two liang form the draw-in groove between the baffle, this test equipment, be convenient for install and easy to use, the efficiency ratio of test is higher simultaneously.
According to the electromagnetic brake rectifier test equipment, although the rapid detection of the electromagnetic brake rectifier is realized, the test probe adopts the clamping connection mode, in the actual use process, the clamped test needle is easy to loosen due to the loose clamping connection, and finally, the test needle is difficult to form good contact with the wiring terminal of the rectifier.
The traditional test equipment generally adopts a single probe with an elastic structure design, the elastic structure of the single probe is too tiny, the single probe is easy to damage during use, and the maintenance after the single probe is damaged is inconvenient and can only be directly replaced, so the fault rate of the whole test equipment is higher.
Disclosure of Invention
The first object of the invention is to provide an electromagnetic brake rectifier test device, wherein the detection probe adopts an integrated structure, the elastic structure is independent of the detection probe, the whole structure is stable in stress, the elastic structure is not easy to damage, and the electromagnetic brake rectifier test device is very convenient to replace even if damaged;
the second object of the invention is to provide a testing method of electromagnetic brake rectifier testing equipment, wherein the detection probe adopts an integrated structure, the elastic structure is independent of the detection probe, the whole structure is stable in stress, the elastic structure is not easy to damage, and the electromagnetic brake rectifier testing equipment is very convenient to replace even if damaged; the whole test process relies on the elastic structure design of detection probe and guard shield to cooperate the absorption clamping mode of rectifier simultaneously, realizes the automation of detecting, unloading, and detection efficiency is high.
In order to achieve the first object, the invention adopts the following technical scheme:
the utility model provides an electromagnetic brake rectifier test equipment, includes clamping unit and test unit, the test unit includes probe box and box holder, the probe box adopts the detachable connection with the box holder, the probe box includes core, ring cover and detection probe, the core adopts the detachable connection with the box holder, the ring cover is located on the core, detection probe is provided with a plurality of, all runs through ring cover and core, detection probe with the relative fixed connection of ring cover, be provided with first elastic connection part between ring cover and the core, the core both sides with the ring cover is provided with guiding mechanism.
Optionally, a shield is further disposed at an end of the detection probe, the shield is embedded in the annular sleeve, and a second elastic connection component is disposed between the shield and the core body and used for supporting the shield.
Optionally, an end portion of the detection probe is provided with an extension portion having a certain gap in the middle, and an end portion of the extension portion is provided with an arc-shaped barb portion arranged to the outside.
Optionally, the device further comprises a plurality of annular guide rails, wherein the clamping units are arranged on the annular guide rails, a negative pressure adsorption mechanism is arranged in the middle of the annular guide rails and comprises a plurality of adsorption pipes, each adsorption pipe is connected with one clamping unit and used for carrying out negative pressure adsorption fixation on a rectifier of the clamping unit.
Optionally, the device further comprises a moving mechanism, wherein the moving mechanism is connected with the testing unit and used for driving the testing unit to be close to or separated from one clamping unit on the annular guide rail.
Optionally, be provided with the receiving device who is used for accepting the rectifier between test unit and the clamping unit, receiving device is including first box body and the second box body of being connected side by side, the first box body be connected with the third elastic connection part, the second box body is connected with actuating mechanism.
Optionally, the detection probe is provided with an integrally formed cone portion, and the annular sleeve is provided with a cone opening matched with the cone portion.
In order to achieve the second object, the invention adopts the following technical scheme:
a test method using the electromagnetic brake rectifier test apparatus described above, comprising the steps of:
sequentially placing rectifiers on a clamping unit, and adsorbing and positioning the rectifiers through a negative pressure adsorption mechanism;
rotating the annular guide rail, rotating the clamping unit clamped with the rectifier to a position aligned with the testing unit, moving the testing unit and the clamping unit to be close by the moving mechanism, enabling the shield to contact the rectifier firstly, then extruding the second elastic connecting component to achieve shield shrinkage, enabling the detection probe in the shield to contact with the connecting terminal of the rectifier, continuously moving the detection probe, inserting the detection probe into the hole of the connecting terminal, then starting to extrude the detection probe, extruding the detection probe and the annular sleeve, further extruding the first elastic connecting component, ensuring that the detection probe and the connecting terminal are kept in contact, and starting to electrically detect when power is applied;
after the electrical property detection is finished, the test unit is separated from the clamping unit through the moving mechanism, the rectifier is driven to move through the barb part at the end part of the detection probe to separate from the adsorption of the negative pressure adsorption mechanism, then the detection probe is retracted and the shield is extended under the action of the first elastic connecting component and the second elastic connecting component, then the detection probe is stripped out of the rectifier, and the rectifier falls into the receiving device to finish the whole detection work.
Compared with the prior art, the invention has the beneficial effects that:
according to the electromagnetic brake rectifier test equipment, the detection probes are fixed through the loop, so that the electromagnetic brake rectifier test equipment is connected into an integrated structure, the elastic structure is independent of the detection probes, the stress of the integrated structure is stable, the elastic structure is not easy to damage, even if damaged, the electromagnetic brake rectifier test equipment is very convenient to replace, the test probes are not easy to damage due to the fact that the telescopic structure is not used, and the fault rate of the whole test equipment is remarkably reduced;
according to the test method of the electromagnetic brake rectifier test equipment, the detection probes and the shield are both provided with the elastic structures, and the elastic structures of the shield realize multistage compression, so that the shield can protect the detection probes and simultaneously realize the discharge of the rectifier during the discharge, and the barb structures at the end parts of the probes not only realize the plug connection of the connecting terminals, but also ensure good contact, and simultaneously release the adsorption of the clamping unit to the rectifier during the discharge, so that the automatic discharge is realized. The whole test process relies on the elastic structure design of detection probe and guard shield to cooperate the absorption clamping mode of rectifier simultaneously, realizes the automation of detecting, unloading, and detection efficiency is high.
Drawings
FIG. 1 is a schematic diagram of an electromagnetic brake rectifier test apparatus of the present invention;
FIG. 2 is a top cross-sectional view of a test unit of the present invention;
fig. 3 is a side view of a test unit of the present invention.
Icon: 100-clamping units, 210-annular guide rails, 220-negative pressure adsorption mechanisms, 300-receiving devices, 310-third elastic connecting components, 320-first box bodies, 330-second box bodies, 340-driving mechanisms, 400-moving mechanisms, 510-box seats, 520-probe boxes, 5211-shields, 5212-second elastic connecting components, 522-detection probes, 5221-cone parts, 5222-extension parts, 5223-barb parts, 523-cores, 524-guiding mechanisms, 525-first elastic connecting components and 526-annular sleeves.
Detailed Description
Referring to fig. 1 to 3, the electromagnetic brake rectifier test device of the present invention includes a clamping unit 100 and a test unit, wherein the clamping unit 100 is used for clamping the rectifier, connecting the rectifier with the electromagnetic brake if the electromagnetic system is required to be connected in the test process, and realizing independent test if the electromagnetic brake is not required to be connected. The test unit contacts the detection probe 522 with the connection terminal of the rectifier clamped by the clamping unit 100 to realize electrical connection, so that the power-on detection, such as voltage-withstanding detection, can be realized.
Specifically, the test unit includes a probe box 520 and a box seat 510, the probe box 520 and the box seat 510 are detachably connected, a detachable connection structure can be realized by adopting a mode of the prior art disclosed in the background art, and other connection modes convenient for disassembly and assembly can be adopted, so that the purpose is mainly to replace different test units according to rectifiers of different specifications, and the applicability of the test equipment is improved.
The probe box 520 comprises a core body 523, a ring sleeve 526 and a detection probe 522, wherein the core body 523 and the box seat 510 adopt the detachable connection mode, the ring sleeve 526 is sleeved on the core body 523, guide mechanisms 524 are arranged on two sides of the core body 523 and the ring sleeve 526, on one hand, the support of the ring sleeve 526 is realized, on the other hand, the translation of the ring sleeve 526 in a straight line direction is realized, and the guide mechanisms 524 adopt T-shaped guide rails or guide rails of other structures. The detection probe 522 is provided with a plurality of, all runs through collar 526 and core 523, is provided with first elastic connection part 525 between collar 526 and the core 523, and detection probe 522 and collar 526 are fixed connection relatively, specifically, detection probe 522 is provided with integrated into one piece's cone portion 5221, is provided with the toper mouth that mutually cooperates with cone portion 5221 on the collar 526, and detection probe 522 can drive collar 526 extrusion first elastic connection part 525 through the relative fixation of cone portion 5221 to collar 526 in the extrusion process. All detection probes 522 are connected into an integral structure through a loop 526, so that the detection probes 522 and the first elastic connecting component 525 can be prevented from being damaged by ensuring compression stability by realizing simultaneous extrusion and then transmitting the detection probes to the loop 526 when contacting with a rectifier, and then extruding the first elastic connecting component 525 by means of the loop 526, wherein guide mechanisms 524 are arranged at two ends of the loop 526, and the frame structure of the detection probes can be combined at the same time, so that the first elastic connecting component 525 can be stably pressed without inclination, and the detection probes 522 and the first elastic connecting component 525 can be prevented from being damaged easily.
The end of the detection probe 522 is further provided with a shield 5211, the shield 5211 is embedded in the collar 526, and a second elastic connection member 5212 is provided between the shield 5211 and the core 523 for supporting the shield 5211. By the protection of the shield 5211, the detection probe 522 positioned in the middle of the shield 5211 is always positioned in the shield 5211, so that the detection probe 522 is protected when not in use, and safety accidents caused by touching of operators can be effectively prevented when the detection probe is in use. In this embodiment, the shield 5211 adopts the support of the second elastic connection member 5212, so that on one hand, compression can be achieved when the shield 5211 contacts the rectifier, and the detection probe 522 is leaked, and on the other hand, the end of the second elastic connection member 5212 is abutted against the core 523, so that when the integral structure of the detection probe 522 and the collar 526 compresses the first elastic connection member 525, the second elastic connection member 5212 can be compressed for the second time, and the elastic connection performance of the whole structure is enhanced. Most importantly, during the subsequent discharge, the shroud 5211 has sufficient thrust to withdraw the rectifier from the end of the detection probe 522.
Next, the end of the detection probe 522 is provided with an extension portion 5222 with a certain gap in between, and the end of the extension portion 5222 is provided with an arc-shaped barb portion 5223 disposed outward. Since the two extending portions 5222 have a certain gap, the two extending portions 5222 have a certain elasticity at the end portions thereof, and can smoothly enter when being pressed into the hole of the connecting terminal of the rectifier, and then the barb portions 5223 are opened to ensure good contact with the inner end of the hole.
The testing device further comprises a plurality of annular guide rails 210, the clamping units 100 are arranged on the annular guide rails 210, a negative pressure adsorption mechanism 220 is arranged in the middle of the annular guide rails 210, the negative pressure adsorption mechanism 220 comprises a plurality of adsorption pipes, each adsorption pipe is connected with one clamping unit 100, and the clamping units 100 are used for carrying out negative pressure adsorption fixation on rectifiers of the clamping units 100. The rotary sealing mechanism can be arranged in the middle of the negative pressure adsorption mechanism 220, so that the adsorption pipe can be prevented from twisting in the rotation process, negative pressure can still be provided, the rectifier in the clamping unit 100 can be adsorbed and positioned, the rotary sealing mechanism can be a conventional rotary sealing mechanism, and excessive redundant description is omitted in the embodiment. By arranging the clamping units 100, the loading of the rectifier can be completed at multiple positions by an operator, and the loading is very convenient by adopting the negative pressure adsorption mechanism 220 and can be directly carried out; and the contact clamping can be completed without power, so that the whole clamping efficiency and the unloading efficiency are very high.
The test apparatus further includes a moving mechanism 400, where the moving mechanism 400 is connected to the test unit and is used to drive the test unit to approach or separate from one of the clamping units 100 on the circular guide rail 210. The moving mechanism 400 may be an air cylinder, a hydraulic cylinder, or the like. The cartridge holders 510 of the test unit are pre-installed on the moving mechanism 400, and each cartridge holder 510 is provided with a plurality of cavities, and each cavity can be detachably connected with one probe cartridge 520, so that quick replacement is realized.
A receiving device 300 for receiving the rectifier is arranged between the test unit and the clamping unit 100, the receiving device 300 comprises a first box 320 and a second box 330 which are connected side by side, the first box 320 is connected with a third elastic connecting part 310, and the second box 330 is connected with a driving mechanism 340. The first box 320 is used for receiving qualified products after detection, the second box 330 is used for receiving unqualified products after detection, when the unqualified products need to be received, the driving mechanism 340 drives the first box 320 and the second box 330 to compress the third elastic connecting component 310, and then the second box 330 can be moved to the receiving position, and the default state is that the first box 320 is located at the receiving position.
The test method of the electromagnetic brake rectifier test equipment comprises the following steps:
the rectifiers are sequentially placed on the clamping unit 100, and the rectifiers are adsorbed and positioned through the negative pressure adsorption mechanism 220.
The annular guide rail 210 is rotated to enable the clamping unit 100 with the rectifier to be clamped to be in a position aligned with the testing unit, the testing unit is moved to be close to the clamping unit 100 through the moving mechanism 400, the shield 5211 is firstly contacted with the rectifier, then the second elastic connecting component 5212 is extruded to enable the shield 5211 to shrink, the detection probe 522 in the shield 5211 is contacted with the connecting terminal of the rectifier, the detection probe 522 is continuously moved, the detection probe 522 is inserted into a hole of the connecting terminal, then the detection probe 522 is extruded, the detection probe 522 and the annular sleeve 526 are extruded, the first elastic connecting component 525 is extruded, the detection probe 522 is guaranteed to be contacted with the connecting terminal, and the electric detection is started after electrification.
After the electrical detection is completed, the moving mechanism 400 moves the test unit to be separated from the clamping unit 100, the barb 5223 at the end part of the detection probe 522 drives the rectifier to move to separate from the adsorption of the negative pressure adsorption mechanism 220, then the detection probe 522 is retracted and the shield 5211 is extended under the action of the first elastic connection component 525 and the second elastic connection component 5212, then the rectifier is peeled off from the detection probe 522, and falls into the receiving device 300, so that the whole detection work is completed.
In this embodiment, the first elastic connection member 525, the second elastic connection member 5212 and the third elastic connection member 310 may be common springs, so long as the relationship between the elastic magnitudes of the springs and the absorption force of the negative pressure absorption mechanism 220 is ensured, and in the actual production process, the adjustment is performed according to the actual requirement, and the excessive description is omitted.
Claims (2)
1. The test unit comprises a probe box and a box seat, wherein the probe box is detachably connected with the box seat, the test unit is characterized in that the probe box comprises a core body, a ring sleeve and a detection probe, the core body is detachably connected with the box seat, the ring sleeve is sleeved on the core body, the detection probe is provided with a plurality of detection probes, the detection probes penetrate through the ring sleeve and the core body, the detection probe is fixedly connected with the ring sleeve relatively, a first elastic connecting part is arranged between the ring sleeve and the core body, and guide mechanisms are arranged on two sides of the core body and the ring sleeve;
the end part of the detection probe is also provided with a shield, the shield is embedded in the annular sleeve, and a second elastic connecting part is arranged between the shield and the core body and used for supporting the shield;
the end part of the detection probe is provided with an extension part with a certain gap in the middle, and the end part of the extension part is provided with an arc-shaped barb part arranged outwards;
the device comprises a clamping unit, a plurality of clamping units and a negative pressure adsorption mechanism, wherein the clamping unit is provided with a plurality of annular guide rails and is arranged on the annular guide rails, the negative pressure adsorption mechanism is arranged in the middle of the annular guide rails and comprises a plurality of adsorption pipes, and each adsorption pipe is connected with one clamping unit and is used for carrying out negative pressure adsorption fixation on a rectifier of the clamping unit;
the moving mechanism is connected with the testing unit and used for driving the testing unit to be close to or separated from one clamping unit on the annular guide rail;
a receiving device for receiving the rectifier is arranged between the test unit and the clamping unit, the receiving device comprises a first box body and a second box body which are connected side by side, the first box body is connected with a third elastic connecting part, and the second box body is connected with a driving mechanism;
the detection probe is provided with an integrally formed cone portion, and the annular sleeve is provided with a cone opening matched with the cone portion.
2. A test method using the electromagnetic brake rectifier test apparatus of claim 1, comprising the steps of:
sequentially placing rectifiers on a clamping unit, and adsorbing and positioning the rectifiers through a negative pressure adsorption mechanism;
rotating the annular guide rail, rotating the clamping unit clamped with the rectifier to a position aligned with the testing unit, moving the testing unit and the clamping unit to be close by the moving mechanism, enabling the shield to contact the rectifier firstly, then extruding the second elastic connecting component to achieve shield shrinkage, enabling the detection probe in the shield to contact with the connecting terminal of the rectifier, continuously moving the detection probe, inserting the detection probe into the hole of the connecting terminal, then starting to extrude the detection probe, extruding the detection probe and the annular sleeve, further extruding the first elastic connecting component, ensuring that the detection probe and the connecting terminal are kept in contact, and starting to electrically detect when power is applied;
after the electrical property detection is finished, the test unit is separated from the clamping unit through the moving mechanism, the rectifier is driven to move through the barb part at the end part of the detection probe to separate from the adsorption of the negative pressure adsorption mechanism, then the detection probe is retracted and the shield is extended under the action of the first elastic connecting component and the second elastic connecting component, then the detection probe is stripped out of the rectifier, and the rectifier falls into the receiving device to finish the whole detection work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110155488.5A CN112816822B (en) | 2021-02-04 | 2021-02-04 | Electromagnetic brake rectifier test equipment and test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110155488.5A CN112816822B (en) | 2021-02-04 | 2021-02-04 | Electromagnetic brake rectifier test equipment and test method thereof |
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| Publication Number | Publication Date |
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| CN112816822A CN112816822A (en) | 2021-05-18 |
| CN112816822B true CN112816822B (en) | 2024-04-05 |
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2021
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| JP2004085281A (en) * | 2002-08-26 | 2004-03-18 | Nec Engineering Ltd | Probe test head structure of probe card |
| JP2006194772A (en) * | 2005-01-14 | 2006-07-27 | Manzen Shu | Thin-film type wafer testing device and its probe detecting/transmitting structure |
| JP2015007555A (en) * | 2013-06-25 | 2015-01-15 | 日置電機株式会社 | Probe unit, and circuit board inspection device |
| CN208350949U (en) * | 2018-07-16 | 2019-01-08 | 深圳市芽庄电子有限公司 | A kind of Novel needle disc structured testing jig |
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| CN112816822A (en) | 2021-05-18 |
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