CN107014707A - A kind of electrical connector wear test system - Google Patents
A kind of electrical connector wear test system Download PDFInfo
- Publication number
- CN107014707A CN107014707A CN201610920402.2A CN201610920402A CN107014707A CN 107014707 A CN107014707 A CN 107014707A CN 201610920402 A CN201610920402 A CN 201610920402A CN 107014707 A CN107014707 A CN 107014707A
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- China
- Prior art keywords
- terminal
- plug
- female terminal
- electrical connector
- magnetic valve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a kind of electrical connector wear test system, the system is made up of mechanical structure portion, electrically driven part and part of data acquisition；Magnetic valve switch off time is controlled by the time relay, then controls magnetic valve to pass in and out the break-make of air-flow；Magnetic valve turnover air-flow enters in drive cylinder, moves back and forth drive cylinder take-off lever, and then driven socket terminal opposing plug terminal is moved reciprocatingly, and abrasion is produced in terminal surfaces；Plug contact engaging and separating force of the force snesor collection drive cylinder in driven socket terminal and plug terminal are moved back and forth；Amesdial gathers the relative displacement during female terminal is moved back and forth with plug terminal.The characteristics of present invention has with low cost, convenient control, is mainly used in the failure of the fretting wear to the electrical connector joint in auto electric connection system and studies, be adapted to popularization and application.
Description
Technical field
The invention belongs to field of electromechanical technology, it is related to a kind of electrical connector wear test system.
Background technology
Electrical connector wear test system of the prior art, general using motor driving, it is higher to there is cost, control system
The defect for complexity of uniting.
The content of the invention
It is an object of the invention to overcome the defect that above-mentioned technology is present there is provided a kind of electrical connector wear test system,
The characteristics of system has with low cost, convenient control, is mainly used in the electrical connector joint in auto electric connection system
Fretting wear failure studied, be adapted to popularization and application.
Its concrete technical scheme is：
A kind of electrical connector wear test system, by mechanical structure portion, electrically driven part and part of data acquisition
Composition.Mechanical structure portion by electrical connector assembly 1, air cleaner support 5, backplanes support 7, cylinder export connector 9,
Contact engaging and separating force sensor connecting piece 10, female terminal support member 11, linear bearing 12, female terminal support member 13 are constituted；It is wherein electric
Connector assembly 1 include lower pinch part 14 of plug terminal, part 15 is pinched on plug terminal, pinch part 16, female terminal on female terminal
Under pinch part 17, electrical connector female terminal 18, electrical connector plug terminal 19.Electrically driven part includes drive cylinder 3, electromagnetism
Valve 4, air cleaner 6, airway tube 8, the time relay 20.Part of data acquisition includes plug force snesor 2, amesdial 21.
Electrical connector female terminal 18 is pinched part 16, lower pinch of part 17 of female terminal on female terminal and clamped；Electrical connector is inserted
Joint terminal 19 is pinched part 15 on lower pinch of part 14 of plug terminal, plug terminal and clamped；Lower pinch of part 17 of female terminal is arranged on socket end
On sub- support member 13, female terminal support member 13 is arranged in backplanes support 7；Lower pinch of part 14 of plug terminal is arranged on female terminal
On support member 11；Female terminal support member 11 is arranged on linear bearing 12, and linear bearing 12 is arranged in backplanes support 7；Insert
Seat terminal supports 11 are connected by contact engaging and separating force sensor connecting piece 10 with plug force snesor 2 using bolt fastening；Contact engaging and separating force
Sensor 2 exports connector 9 by cylinder and is connected with drive cylinder 3.Gas is introduced magnetic valve by source of the gas 22 via air cleaner 6
In 4, the switch off time of magnetic valve 4 is controlled by the time relay 20, then controls magnetic valve 4 to pass in and out the break-make of air-flow；Magnetic valve 4 enters
Outlet stream enters in drive cylinder 3, moves back and forth the take-off lever of drive cylinder 3, and then the opposing plug end of driven socket terminal 18
Son 19 is moved reciprocatingly, and abrasion is produced in terminal surfaces.Plug force snesor 2 and gather drive cylinder 3 in driven socket terminal 18
Contact engaging and separating force in being moved back and forth with plug terminal 19；Amesdial 21 is gathered in female terminal 18 and the reciprocating motion of plug terminal 19
Relative displacement.The connected mode of each part is bolted connection above.
Compared with prior art, beneficial effects of the present invention are：
The characteristics of present invention has with low cost, convenient control, is mainly used in being electrically connected in auto electric connection system
The fretting wear failure of connection joint is studied, and is adapted to popularization and application.
Brief description of the drawings
Fig. 1 is the structural representation of electrical connector wear test system；
Fig. 2 is the structural representation of electrical connector assembly；
Fig. 3 is electrical connector wear test schematic diagram；
Fig. 4 is the surface topography under different shear displacemant load wear working conditions, wherein, Fig. 4 (a) d=0.25mm, δ=
0.8mm, Fig. 4 (b) d=0.25mm, δ=0.3mm, Fig. 4 (c) d=0.25mm, δ=0.03mm, d represent precompressed displacement, and δ is represented
Lateral shear displacement amplitude.
Embodiment
Technical scheme is described in more detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1-Figure 3, a kind of electrical connector wear test system, by mechanical structure portion, electrically driven part with
And part of data acquisition composition.Mechanical structure portion is by electrical connector assembly 1, air cleaner support 5, backplanes support 7, gas
Cylinder output connector 9, contact engaging and separating force sensor connecting piece 10, female terminal support member 11, linear bearing 12, female terminal support member
13 compositions；Wherein electrical connector assembly 1 includes lower pinch part 14 of plug terminal, part 15 is pinched on plug terminal, on female terminal pinch
Part 16, female terminal lower pinch of part 17, electrical connector female terminal 18, electrical connector plug terminal 19.Electrically driven part includes
Drive cylinder 3, magnetic valve 4, air cleaner 6, airway tube 8, the time relay 20.Part of data acquisition is sensed including contact engaging and separating force
Device 2, amesdial 21.
Electrical connector female terminal 18 is pinched part 16, lower pinch of part 17 of female terminal on female terminal and clamped；Electrical connector is inserted
Joint terminal 19 is pinched part 15 on lower pinch of part 14 of plug terminal, plug terminal and clamped；Lower pinch of part 17 of female terminal is arranged on socket end
On sub- support member 13, female terminal support member 13 is arranged in backplanes support 7；Lower pinch of part 14 of plug terminal is arranged on female terminal
On support member 11；Female terminal support member 11 is arranged on linear bearing 12, and linear bearing 12 is arranged in backplanes support 7；Insert
Seat terminal supports 11 are connected by contact engaging and separating force sensor connecting piece 10 with plug force snesor 2；Plug force snesor 2 passes through gas
Cylinder output connector 9 is connected with drive cylinder 3.Gas is introduced into magnetic valve 4 by source of the gas 22 via air cleaner 6, by the time after
Electrical equipment 20 controls the switch off time of magnetic valve 4, then controls magnetic valve 4 to pass in and out the break-make of air-flow；The turnover air-flow of magnetic valve 4, which enters, to be driven
Take offence in cylinder 3, move back and forth the take-off lever of drive cylinder 3, and then the opposing plug terminal 19 of driven socket terminal 18 does reciprocal fortune
It is dynamic, produce abrasion in terminal surfaces.Plug force snesor 2 and gather drive cylinder 3 in driven socket terminal 18 and plug terminal 19
Contact engaging and separating force in reciprocating motion；Amesdial 21 gathers the relative displacement during female terminal 18 is moved back and forth with plug terminal 19.
In order to observe the micro breadth oscillation of electrical connector, 3 groups of different electrical connector wear tests, precompressed position have been carried out herein
Move as 0.25mm, lateral shear displacement amplitude δ is 0.8mm, 0.3mm and 0.03mm 3 groups of wear tests, cycle-index is respectively
108000th, 86400,597600 times.The experimental result of plug terminal surface abrasion as shown in Figure 4, it can be found that with transverse direction
The increase of shear displacemant amplitude, the wearing depth and abrasion width for contacting surface increased.Greatest wear width is respectively
1.21mm, 0.43mm, 0.29mm, wearing depth are respectively 39 μm, 22 μm, 17 μm.Contrast lateral displacement amplitude be 0.8mm and
0.3mm abrasion spot understands that under conditions of circulation weares and teares number of times relatively, abrasion width is in corresponding linear change substantially
Trend.When being 0.03mm for lateral shear displacement amplitude, when abrasion cycles number of times is 0.3mm than lateral shear displacement amplitude
When abrasion cycles number of times is almost big 6 times, both wearing depths and abrasion width are closer to.The contrast hair of three groups of experiments
It is existing, the relation and inconclusive linear relationship of wearing depth or abrasion width and lateral shear displacement amplitude, but show
Power function or the increase of exponential function relation form.Further analysis finds that the sectional area and abrasion number of times for the spot that weares and teares are proportional
Example relation, this conclusion and the abrasion energy in document and the conclusion phase one of the proportional example linear relationship of wear volume of abrasion spot
Cause.In addition, in wear process, the force snesor of testing stand have recorded the plug force data in whole process of the test, three kinds of operating modes
Under stable state frictional force be respectively 3.43N, 2.99N and 3.17N.
The foregoing is only a preferred embodiment of the present invention, protection scope of the present invention not limited to this, any ripe
Those skilled in the art are known in the technical scope of present disclosure, the letter for the technical scheme that can be become apparent to
Altered or equivalence replacement are each fallen within protection scope of the present invention.
Claims (1)
1. a kind of electrical connector wear test system, it is characterised in that by mechanical structure portion, electrically driven part and data
Collecting part is constituted；Mechanical structure portion is by electrical connector assembly (1), air cleaner support (5), backplanes support (7), gas
Cylinder output connector (9), contact engaging and separating force sensor connecting piece (10), female terminal support member (11), linear bearing (12), socket end
Sub- support member (13) composition；Wherein electrical connector assembly (1) on lower pinch of part (14) of plug terminal, plug terminal including pinching part
(15) part (16), lower pinch of part (17) of female terminal, electrical connector female terminal (18), electrical connector plug, are pinched on female terminal
Terminal (19)；Electrically driven part include drive cylinder (3), magnetic valve (4), air cleaner (6), airway tube (8), the time after
Electrical equipment (20)；Part of data acquisition includes plug force snesor (2), amesdial (21)；
Electrical connector female terminal (18) is pinched part (16), lower pinch of part (17) of female terminal on female terminal and clamped；Electrical connector
Plug terminal (19) is pinched part (15) on lower pinch of part (14) of plug terminal, plug terminal and clamped；Lower pinch of part (17) peace of female terminal
On female terminal support member (13), female terminal support member (13) is arranged in backplanes support (7)；Lower pinch of part of plug terminal
(14) it is arranged on female terminal support member (11)；Female terminal support member (11) is arranged on linear bearing (12), linear axis
(12) are held in backplanes support (7)；Female terminal support member (11) passes through contact engaging and separating force sensor connecting piece (10) and plug
Force snesor (2) is connected；Plug force snesor (2) exports connector (9) by cylinder and is connected with drive cylinder (3)；Source of the gas
(22) gas is introduced into magnetic valve (4) via air cleaner (6), when being cut-off by the time relay (20) control magnetic valve (4)
Between, then control magnetic valve (4) to pass in and out the break-make of air-flow；Magnetic valve (4) turnover air-flow enters in drive cylinder (3), makes driving
Cylinder (3) take-off lever is moved back and forth, and then driven socket terminal (18) opposing plug terminal (19) moves reciprocatingly, in terminal table
Face produces abrasion；Plug force snesor (2) collection drive cylinder (3) reciprocal in driven socket terminal (18) and plug terminal (19)
Contact engaging and separating force in motion；Amesdial (21) collection female terminal (18) and the relative displacement in plug terminal (19) reciprocating motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610920402.2A CN107014707A (en) | 2016-10-21 | 2016-10-21 | A kind of electrical connector wear test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610920402.2A CN107014707A (en) | 2016-10-21 | 2016-10-21 | A kind of electrical connector wear test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107014707A true CN107014707A (en) | 2017-08-04 |
Family
ID=59439446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610920402.2A Pending CN107014707A (en) | 2016-10-21 | 2016-10-21 | A kind of electrical connector wear test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107014707A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060787A (en) * | 2019-12-19 | 2020-04-24 | 江苏吴通物联科技有限公司 | Coaxial connector detection equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162178A (en) * | 2007-10-10 | 2008-04-16 | 上海优立通信技术有限公司 | Plug-pull testing device and method |
| CN201373782Y (en) * | 2009-02-13 | 2009-12-30 | 深圳市联欣科技有限公司 | Insertion force test set for connector |
| CN202024894U (en) * | 2011-03-26 | 2011-11-02 | 宁波市阳光汽车配件有限公司 | Testing device of inserting and extracting durability of automobile sunshading board |
| CN102680152A (en) * | 2012-05-14 | 2012-09-19 | 浙江理工大学 | Device for testing insertion and withdrawal forces of contact elements of electric connectors in high temperature environments |
| CN103969522A (en) * | 2013-02-01 | 2014-08-06 | 电计科技研发（上海）有限公司 | Automatic plugging testing device for network cable plug |
| CN104897434A (en) * | 2015-05-26 | 2015-09-09 | 威海恒邦化工有限公司 | Automatic fertilizer sampler |
-
2016
- 2016-10-21 CN CN201610920402.2A patent/CN107014707A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162178A (en) * | 2007-10-10 | 2008-04-16 | 上海优立通信技术有限公司 | Plug-pull testing device and method |
| CN201373782Y (en) * | 2009-02-13 | 2009-12-30 | 深圳市联欣科技有限公司 | Insertion force test set for connector |
| CN202024894U (en) * | 2011-03-26 | 2011-11-02 | 宁波市阳光汽车配件有限公司 | Testing device of inserting and extracting durability of automobile sunshading board |
| CN102680152A (en) * | 2012-05-14 | 2012-09-19 | 浙江理工大学 | Device for testing insertion and withdrawal forces of contact elements of electric connectors in high temperature environments |
| CN103969522A (en) * | 2013-02-01 | 2014-08-06 | 电计科技研发（上海）有限公司 | Automatic plugging testing device for network cable plug |
| CN104897434A (en) * | 2015-05-26 | 2015-09-09 | 威海恒邦化工有限公司 | Automatic fertilizer sampler |
Non-Patent Citations (1)
| Title |
|---|
| 张永裕: "《理化检验及热处理实用手册》", 31 August 2016, 国防工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060787A (en) * | 2019-12-19 | 2020-04-24 | 江苏吴通物联科技有限公司 | Coaxial connector detection equipment |
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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: 20170804 |