CN112816822A - Electromagnetic brake rectifier testing equipment and testing method thereof - Google Patents
Electromagnetic brake rectifier testing equipment and testing method thereof Download PDFInfo
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- CN112816822A CN112816822A CN202110155488.5A CN202110155488A CN112816822A CN 112816822 A CN112816822 A CN 112816822A CN 202110155488 A CN202110155488 A CN 202110155488A CN 112816822 A CN112816822 A CN 112816822A
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- 238000012360 testing method Methods 0.000 title claims abstract description 94
- 239000000523 sample Substances 0.000 claims abstract description 96
- 238000001514 detection method Methods 0.000 claims abstract description 77
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000001179 sorption measurement Methods 0.000 claims description 29
- 230000001681 protective effect Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 238000010998 test method Methods 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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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
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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
- 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 testing equipment and a testing method thereof, wherein the testing equipment comprises a clamping unit and a testing unit, the testing unit comprises a probe box and a box seat, the probe box and the box seat are detachably connected, the probe box comprises a core body, a ring sleeve and a detection probe, the core body and the box seat are detachably connected, 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 and the ring sleeve are relatively and fixedly connected, a first elastic connecting part is arranged between the ring sleeve and the core body, and guiding 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 testing of the electromagnetic brake rectifier is closer to the testing of common electronic components, and various electrical parameters are tested by contacting a contact pin with a certain voltage with a connecting terminal of the rectifier.
Chinese patent CN201811611369.0 discloses an electromagnetic brake rectifier test equipment, which comprises a workbench, a connecting terminal cover, a test board, connecting terminals and a rectifier box, wherein the center of the top of the workbench is fixedly provided with the test board, the top of the test board is provided with three fourth grooves at equal intervals, the bottoms of the three fourth grooves are provided with chutes, one side of each fourth groove is fixedly provided with one end of a second spring by welding, the other end of the second spring is fixedly provided with a vertically arranged movable plate by welding, the bottom of the movable plate is fixed with a slide block by bolts, the top of the movable plate is fixedly connected with a horizontally arranged pull plate, the movable plate is used for fixing the rectifier box, the rectifier box is arranged in the fourth groove, the inner wall of the bottom of the rectifier box is uniformly provided with partition plates at equal intervals, a clamping groove is formed between every two partition plates, and the test equipment, the test device is convenient to install and maintain, convenient to use and high in test efficiency.
Although the electromagnetic brake rectifier testing equipment realizes quick detection of the rectifier of the electromagnetic brake, the testing probe adopts a clamping connection mode, and in the actual use process, the clamped testing needle is easy to loosen due to the fact that clamping is not firm, and finally the testing needle is difficult to form good contact with a wiring terminal of the rectifier.
The traditional test equipment generally adopts a single probe to be designed into an elastic structure, the elastic structure of the single probe is too small and is easy to damage during use, and the damaged probe is inconvenient to maintain and can only be directly replaced, so that the fault rate of the whole test equipment is higher.
Disclosure of Invention
The invention aims to provide a testing device for a rectifier of an electromagnetic brake, wherein a detection probe of the testing device is of an integrated structure, an elastic structure is independent of the detection probe, the whole structure is stably stressed, the elastic structure is not easy to damage, and the testing device is very convenient to replace even if damaged;
the second purpose of the invention is to provide a test method of the test equipment of the rectifier of the electromagnetic brake, wherein the detection probe adopts an integrated structure, the elastic structure is independent of the detection probe, the whole structure is stably stressed, the elastic structure is not easy to damage, and the replacement is very convenient even if the elastic structure is damaged; the whole testing process depends on the elastic structure design of the detection probe and the protective cover and is matched with the adsorption clamping mode of the rectifier, the automation of detection and unloading is realized, and the detection efficiency is high.
In order to achieve the first purpose, the invention adopts the technical scheme that:
the utility model provides an electromagnetic brake rectifier test equipment, includes clamping unit and test unit, the test unit includes probe box and box seat, the probe box adopts to dismantle with the box seat and is connected, the probe box includes core, ring cover and test probe, the core adopts to dismantle with the box seat and is connected, the ring cover is established on the core, test probe is provided with a plurality of, all runs through ring cover and core, test probe with ring cover relatively fixed connection, be provided with a resilient connecting component 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 ring sleeve, and a second elastic connection member is disposed between the shield and the core body to support the shield.
Optionally, the end of the detection probe is provided with an extension part with a gap in the middle, and the end of the extension part is provided with an arc-shaped barb part arranged towards the outside.
Optionally, still include ring rail, the clamping unit be provided with a plurality of, arrange in on the ring rail, be provided with negative pressure adsorption device in the middle of the ring rail, negative pressure adsorption device includes a plurality of adsorption tube, and every adsorption tube connects one the clamping unit for carry out the negative pressure to the rectifier of clamping unit and adsorb fixedly.
Optionally, the test device further comprises a moving mechanism, wherein the moving mechanism is connected with the test unit and used for driving the test unit to move close to or separate from one of the clamping units on the annular guide rail.
Optionally, a material receiving device for receiving the rectifier is arranged between the testing unit and the clamping unit, the material 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.
Optionally, the detection probe is provided with an integrally formed cone portion, and the ring sleeve is provided with a tapered opening matched with the cone portion.
In order to achieve the second object, the invention adopts the technical scheme that:
a method of testing using the electromagnetic brake rectifier test apparatus described above, comprising the steps of:
the rectifier is sequentially placed on the clamping unit, and the rectifier is adsorbed and positioned through the 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 approach through the moving mechanism, enabling the protective cover to firstly contact the rectifier, then extruding the second elastic connecting part to shrink the protective cover, enabling the detection probe in the protective cover 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 beginning to extrude the detection probe, extruding the detection probe and the ring sleeve, further extruding the first elastic connecting part, ensuring that the detection probe and the connecting terminal are kept in contact, and starting to perform electrical detection after electrifying;
after the electrical property detection is completed, the moving mechanism moves the testing unit to be separated from the clamping unit, the barb part at the end part of the detection probe drives the rectifier to move to be separated from the adsorption of the negative pressure adsorption mechanism, then the detection probe retracts and the protective cover extends out under the action of the first elastic connecting part and the second elastic connecting part, then the detection probe is stripped from the rectifier, and the rectifier falls into the material receiving device to complete the whole detection work.
Compared with the prior art, the invention has the beneficial effects that:
according to the testing equipment for the electromagnetic brake rectifier, the detection probes are fixed through the ring sleeves so as to be connected into an integral structure, the elastic structure is independent of the detection probes, the integral structure is stably stressed, the elastic structure is not easy to damage, and is very convenient to replace even if damaged, the testing probes are not easy to damage due to the fact that the elastic structure is not used, and the fault rate of the whole testing equipment is remarkably reduced;
according to the testing method of the electromagnetic brake rectifier testing equipment, the detection probe and the protective cover are respectively provided with the elastic structures, and the elastic structures of the protective cover realize multi-stage compression, so that the protective cover can protect the detection probe and can realize unloading of the rectifier during unloading, and the barb structure at the end part of the probe realizes the plug-in connection of the connecting terminal, ensures good contact, and simultaneously realizes the removal of the adsorption of the clamping unit on the rectifier during unloading, so that automatic unloading is realized. The whole testing process depends on the elastic structure design of the detection probe and the protective cover and is matched with the adsorption clamping mode of the rectifier, the automation of detection and unloading is realized, and the detection efficiency is high.
Drawings
FIG. 1 is a schematic structural diagram of an electromagnetic brake rectifier testing apparatus of the present invention;
FIG. 2 is a top cross-sectional view of a test cell of the present invention;
FIG. 3 is a side view of a test unit of the present invention.
Icon: 100-clamping unit, 210-annular guide rail, 220-negative pressure adsorption mechanism, 300-material receiving device, 310-third elastic connecting part, 320-first box body, 330-second box body, 340-driving mechanism, 400-moving mechanism, 510-box seat, 520-probe box, 5211-shield, 5212-second elastic connecting part, 522-detection probe, 5221-cone part, 5222-extending part, 5223-barb part, 523-core body, 524-guiding mechanism, 525-first elastic connecting part and 526-ring sleeve.
Detailed Description
Referring to fig. 1-3, the testing device for the rectifier of the electromagnetic brake of the invention comprises a clamping unit 100 and a testing unit, wherein the clamping unit 100 is used for clamping the rectifier, connecting the rectifier with the electromagnetic brake if the electromagnetic brake is required to be connected in the testing process, and realizing independent testing if the electromagnetic brake is not required to be connected. The testing unit contacts the detection probe 522 with a terminal of the rectifier clamped by the clamping unit 100 to realize electrical connection, that is, the testing unit can perform power-on detection, such as voltage-withstanding detection.
Specifically, the test unit includes probe box 520 and cassette holder 510, and probe box 520 adopts detachably to be connected with cassette holder 510, and detachable connection structure can adopt the prior art's that discloses in the background art mode to realize, also can adopt other be convenient for the connected mode of dismouting all can, and its purpose is mainly for changing different test units according to the rectifier of different specifications to improve test equipment's suitability.
The probe box 520 comprises a core 523, a ring sleeve 526 and a detection probe 522, the core 523 and the box base 510 are detachably connected in the manner described above, the ring sleeve 526 is sleeved on the core 523, guide mechanisms 524 are arranged on two sides of the core 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 linear direction is realized, and the guide mechanisms 524 are T-shaped guide rails or guide rails with other structures. The detecting probes 522 are provided with a plurality of detecting probes, the detecting probes 522 all penetrate through the ring sleeve 526 and the core 523, the first elastic connecting part 525 is arranged between the ring sleeve 526 and the core 523, the detecting probes 522 are relatively and fixedly connected with the ring sleeve 526, specifically, the detecting probes 522 are provided with integrally-formed conical parts 5221, the ring sleeve 526 is provided with conical openings matched with the conical parts 5221, and in the extrusion process, the detecting probes 522 can drive the ring sleeve 526 to extrude the first elastic connecting part 525 through the relative fixation of the conical parts 5221 to the ring sleeve 526. All the detecting probes 522 are connected into an integral structure through the ring sleeve 526, so that when the detecting probes are in contact with a rectifier, simultaneous extrusion can be realized, then the detecting probes are transmitted to the ring sleeve 526, then the first elastic connecting part 525 is extruded by the ring sleeve 526, two ends of the ring sleeve 526 are provided with the guide mechanisms 524, and meanwhile, the frame structure of the detecting probes is combined, so that stable pressure application on the first elastic connecting part 525 can be realized, inclination does not occur, compression stability can be ensured, and the detecting probes 522 and the first elastic connecting part 525 are not easy to damage.
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. The detection probe 522 positioned in the middle of the shield 5211 is always positioned in the shield 5211 by the protection of the shield 5211, so that the detection probe 522 is protected when not in use, and the occurrence of a safety accident due to the touch of an operator can be effectively prevented when in use. In this embodiment, the shield 5211 is supported by the second elastic connection member 5212, so that the shield 5211 can be compressed to leak the detection probe 522 when contacting the rectifier, and the end of the second elastic connection member 5212 abuts against the core 523, so that the second elastic connection member 5212 can be compressed for the second time when the first elastic connection member 525 is compressed by the whole structure of the detection probe 522 and the collar 526, thereby enhancing the elastic connection performance of the whole structure. Most importantly, the shroud 5211 has sufficient thrust to enable the commutator to exit the end of the test probe 522 during later discharge.
Next, the end of the detection probe 522 is provided with an extension 5222 with a certain gap in the middle, and the end of the extension 5222 is provided with an arc-shaped barb 5223 arranged outward. Since the two extensions 5222 have a certain gap, the two extensions 5222 have certain elasticity at the ends thereof, and can smoothly enter the holes of the connection terminals of the rectifier when being squeezed into the holes, and then expand to ensure that the barb portions 5223 are in good contact with the inner ends of the holes.
The testing device further comprises an annular guide rail 210, the clamping unit 100 is provided with a plurality of clamping units, the clamping units are arranged on the annular guide rail 210, a negative pressure adsorption mechanism 220 is arranged in the middle of the annular guide rail 210, the negative pressure adsorption mechanism 220 comprises a plurality of adsorption tubes, and each adsorption tube is connected with one clamping unit 100 and used for conducting negative pressure adsorption and fixation on a rectifier of the clamping unit 100. The middle of the negative pressure adsorption mechanism 220 can be provided with a rotary sealing mechanism, so that the adsorption tube can be prevented from being distorted in the rotation process, negative pressure can be still provided, the adsorption and positioning of the rectifier in the clamping unit 100 are kept, the rotary sealing mechanism can adopt a conventional rotary sealing mechanism, and redundant description is omitted in the embodiment. By arranging the plurality of clamping units 100, an operator can complete the loading of the rectifier at multiple positions, and the negative pressure adsorption mechanism 220 is adopted, so that the loading is very convenient and the rectifier can be directly placed; and the subsequent unloading of cooperation is also very convenient, need not power and can accomplish the contact clamping, so whole clamping efficiency, the efficiency of unloading are all very high.
The test device further comprises a moving mechanism 400, wherein the moving mechanism 400 is connected with the test unit and is used for driving the test unit to move close to 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 cassette holders 510 of the test unit are pre-installed on the moving mechanism 400, and each cassette holder 510 is provided with a plurality of cavities, each of which can be detachably connected to one probe cassette 520, thereby realizing rapid replacement.
A material receiving device 300 for receiving the rectifier is arranged between the testing unit and the clamping unit 100, the material 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 defective products, when the defective 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 part 310, so that 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 test equipment of the electromagnetic brake rectifier comprises the following steps:
the rectifiers are sequentially placed on the clamping unit 100, and are adsorbed and positioned by the negative pressure adsorption mechanism 220.
The annular guide rail 210 is rotated, the clamping unit 100 clamped with the rectifier is rotated to a position aligned with the test unit, the test unit is moved to be close to the clamping unit 100 through the moving mechanism 400, the shield 5211 firstly contacts the rectifier, then the second elastic connecting part 5212 is pressed to shrink the shield 5211, the detection probe 522 in the shield 5211 is made to contact with the connecting terminal of the rectifier, the detection probe 522 is continuously moved, the detection probe 522 is inserted into the hole of the connecting terminal, then the detection probe 522 starts to be pressed, the detection probe 522 and the ring sleeve 526 are pressed, the first elastic connecting part 525 is further pressed, the detection probe 522 is ensured to be kept in contact with the connecting terminal, and electrical detection is started after electrification.
After the electrical detection is completed, the test unit is moved by the moving mechanism 400 to be separated from the clamping unit 100, the barb 5223 at the end of the detection probe 522 drives the rectifier to move to be separated from the suction of the negative pressure suction mechanism 220, then under the action of the first elastic connecting component 525 and the second elastic connecting component 5212, the detection probe 522 retracts, the shield 5211 extends, then the detection probe 522 is stripped from the rectifier, and the rectifier falls into the material receiving device 300, so that the whole detection work is completed.
In this embodiment, the first elastic connection component 525, the second elastic connection component 5212 and the third elastic connection component 310 may all be ordinary springs, and in order to implement the above processes, only the relationship between the elasticity of the springs and the absorption force of the negative pressure absorption mechanism 220 needs to be ensured, and in the actual production process, adjustment is required according to actual requirements, and this embodiment is not described in detail.
Claims (8)
1. The utility model provides an electromagnetic brake rectifier test equipment, includes clamping unit and test unit, the test unit includes probe box and box seat, the probe box adopts to dismantle with the box seat and is connected, a serial communication port, the probe box includes core, ring cover and test probe, the core adopts to dismantle with the box seat and is connected, ring cover is located on the core, test probe is provided with a plurality of, all runs through ring cover and core, test probe with ring cover relatively fixed connection, be provided with a resilient connecting component between ring cover and the core, the core both sides with the ring cover is provided with guiding mechanism.
2. The electromagnetic brake rectifier testing apparatus of claim 1, wherein the end of the detection probe is further provided with a shield, the shield is embedded in the ring sleeve, and a second elastic connecting member is arranged between the shield and the core for supporting the shield.
3. The electromagnetic brake rectifier testing apparatus of claim 2, wherein the end of the sensing probe is provided with an extension having a gap in the middle, and the end of the extension is provided with an arc-shaped barb portion disposed toward the outside.
4. The electromagnetic brake rectifier testing device of claim 3, further comprising a ring-shaped guide rail, wherein a plurality of clamping units are arranged on the ring-shaped guide rail, a negative pressure adsorption mechanism is arranged in the middle of the ring-shaped guide rail, the negative pressure adsorption mechanism comprises a plurality of adsorption tubes, and each adsorption tube is connected with one clamping unit and used for fixing the rectifier of the clamping unit in a negative pressure adsorption mode.
5. The electromagnetic brake rectifier testing device of claim 4, further comprising a moving mechanism connected to the testing unit for driving the testing unit to move toward or away from one of the clamping units on the ring-shaped guide rail.
6. The electromagnetic brake rectifier testing equipment of claim 5, wherein a material receiving device for receiving the rectifier is arranged between the testing unit and the clamping unit, the material receiving device comprises a first box body and a second box body which are connected side by side, a third elastic connecting part is connected to the first box body, and a driving mechanism is connected to the second box body.
7. The electromagnetic brake rectifier testing apparatus of claim 1, wherein the detection probe is provided with an integrally formed cone portion, and the collar is provided with a tapered opening for cooperating with the cone portion.
8. A method of testing using the electromagnetic brake rectifier testing apparatus of claim 6, comprising the steps of:
the rectifier is sequentially placed on the clamping unit, and the rectifier is adsorbed and positioned through the 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 approach through the moving mechanism, enabling the protective cover to firstly contact the rectifier, then extruding the second elastic connecting part to shrink the protective cover, enabling the detection probe in the protective cover 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 beginning to extrude the detection probe, extruding the detection probe and the ring sleeve, further extruding the first elastic connecting part, ensuring that the detection probe and the connecting terminal are kept in contact, and starting to perform electrical detection after electrifying;
after the electrical property detection is completed, the moving mechanism moves the testing unit to be separated from the clamping unit, the barb part at the end part of the detection probe drives the rectifier to move to be separated from the adsorption of the negative pressure adsorption mechanism, then the detection probe retracts and the protective cover extends out under the action of the first elastic connecting part and the second elastic connecting part, then the detection probe is stripped from the rectifier, and the rectifier falls into the material receiving device to complete the whole detection work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| 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 |
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| CN202110155488.5A CN112816822B (en) | 2021-02-04 | 2021-02-04 | Electromagnetic brake rectifier test equipment and test method thereof |
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| CN112816822A true CN112816822A (en) | 2021-05-18 |
| CN112816822B CN112816822B (en) | 2024-04-05 |
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2021
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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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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| CN112816822B (en) | 2024-04-05 |
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Address after: 611630 No. 118, Xinyuan 2nd Road, shou'an street, Pujiang County, Chengdu, Sichuan Applicant after: Chengdu chaodechuang Technology Co.,Ltd. Address before: No. 88, Yingbin Avenue, Shouan street, Pujiang County, Chengdu City, Sichuan Province, 611630 Applicant before: Chengdu chaodechuang Technology Co.,Ltd. |
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