CN104458434B - Service life test device of car connecting wire - Google Patents
Service life test device of car connecting wire Download PDFInfo
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- CN104458434B CN104458434B CN201410804669.6A CN201410804669A CN104458434B CN 104458434 B CN104458434 B CN 104458434B CN 201410804669 A CN201410804669 A CN 201410804669A CN 104458434 B CN104458434 B CN 104458434B
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- service life
- connecting line
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- automobile connecting
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Abstract
The invention provides a service life test device of a car connecting wire. The service life test device comprises two stretching detection devices which are used for respectively fixing two ends of a to-be-tested car connecting wire, each stretching detection device comprises a wire box, an insertion part, a slide mechanism and a PLC acquisition unit; the insertion parts are respectively fixed on the wire box, the insertion parts are respectively provided with an insertion hole which is used for each core wire in the car connecting wire to insert, and each insertion hole is connected with the PLC acquisition unit through a conducting wire; the slide mechanism is fixedly connected with the wire box, so that the wire box slides along the horizontal direction. When the service life test device of the car connecting wire is in test, and when a malfunction occurs, the malfunctioned core wire can be rapidly judged, and a purpose of intelligent judgment can be achieved.
Description
Technical field
The present invention relates to automobile product measuring technology, more particularly, to a kind of equipment for testing service life of automobile connecting line.
Background technology
Automobile connecting line equipment for testing service life needs to meet the requirement of gb t 5054.4/iso4141-4 standard, can be used for mould
Intend the automobile bending resistance of connecting line, stretch-resistance and torsion situation etc. in various different running status.
Existing connection line testing device there is a problem of as follows when testing connecting line:
First, it is impossible to accurately identify which root insulation core wire goes wrong, thus leading to after connecting line is connected by series system
Cannot quickly improve and propose counter-measure.
2nd, the conductor within when connecting line starts to engender breakdown, and connecting line also when simulated automotive is turned, open by electric current
Begin to be changed by overbending direction, electric current also occurs the interrupted or instantaneous range of decrease or variation therewith, test when this occurs sets
Standby cannot automatic identification, make the action of stopping and corresponding prompting occur.
3rd, cannot in same test equipment simulated automotive various difference running statuses, for example, fast or draw at a slow speed
Stretch, different angle is turned, different angle is reversed etc..
Content of the invention
The technical problem to be solved is to provide a kind of equipment for testing service life of automobile connecting line it is intended to solve
Existing equipment for testing service life, in the automobile connecting line carrying out split conductor is tested, can not be judged specifically when a failure occurs
Which root heart yearn goes wrong.
The present invention is achieved in that a kind of equipment for testing service life of automobile connecting line, including to be measured for fixing respectively
Two stretching detection means at the automobile connecting line two ends of examination, described stretching detection means includes line box, plug component and slip
Mechanism, described plug component is fixed in described line box, and described stretching detection means also includes plc collecting unit；Described grafting
The plug wire hole that each heart yearn being provided with part in some confession automobile connecting lines is respectively connected to, each plug wire hole passes through respectively
Wire is connected with described plc collecting unit；Described slide mechanism is fixedly connected with described line box, makes described line box along level side
To slip.
Further, described slide mechanism includes guide rail, sliding seat, screw mandrel, feed screw nut and the first motor；Described first
Motor is connected with described screw rod transmission；Described screw mandrel is connected with described sliding seat by described feed screw nut, and described line box is fixed
On described sliding seat, described sliding seat is slidably fixed on described guide rail.
Further, described equipment for testing service life also includes the bending mechanism for making described automobile connecting line bent, institute
State bending mechanism to be placed in described stretching detection means.
Further, described bending mechanism includes the second motor, rotating shaft, bearing and fixed seat, and described rotating shaft is arranged in institute
State in line box, its one end is rotatably mounted in described fixed seat by described bearing, its other end and described second motor
It is in transmission connection, and described line box can rotate together with described rotating shaft is centered on the axis of described rotating shaft.
Further, described bending mechanism also includes switching and for drawing wire for the device fixing described rotating shaft
Outlet box, described device switch is fixed in described fixed seat, and it is partially disposed in described outlet box；Described outlet box is fixed
In described fixed seat.
Further, described equipment for testing service life also includes gripping for the positioning lock being fixed stretching detection means
With region grating, described positioning and locking folder is fixed on the side of described stretching detection means；Described region grating is placed in life-span survey
On examination equipment, for detect foreign body close to described equipment for testing service life when produce and report to the police, and send stopping test signal.
Further, described equipment for testing service life is also included for making automobile connecting line twist the twist machine of deformation
Structure.
Further, described twist mechanism includes the 3rd motor, driving member, the angle for identifying described 3rd motor rotation
The sensor of degree, rosette and wire clamp, described 3rd motor is in transmission connection with described driving member by described sensor, described biography
Moving part is in transmission connection with described rosette, drives described rosette to rotate along its axis direction；Described wire clamp connects described in being fixed on
The side of line box, described automobile connecting line is fixed on described wire clamp through described rosette.
Further, described twist mechanism also includes protective cover, and described protective cover covers in described rosette.
Further, include relay coil in described plc collecting unit and exceed predetermined value for monitoring the signal of telecommunication
Potentiometer, described relay coil is electrically connected with described plug component.
The present invention compared with prior art, has the beneficial effects that: the equipment for testing service life of described automobile connecting line is using having
The plug component of some plug wire holes is fixed in line box, and so that each plug wire hole is all connected with plc collecting unit by wire
Connect；Make automobile connecting line when accessing plug component, its each interior heart yearn can correspond to a plug wire hole, when a certain core
When line breaks down, the signal of telecommunication of corresponding heart yearn will produce change on plc collecting unit, can judge rapidly which root concrete
Heart yearn goes wrong, thus reaching the purpose of intelligent decision.
Brief description
Fig. 1 is the perspective view of the equipment for testing service life of automobile connecting line of the present invention；
Fig. 2 is the schematic elevation view of stretching detection means and bending mechanism in Fig. 1；
Fig. 3 is the schematic side view of stretching detection means and bending mechanism in Fig. 2；
Fig. 4 is the structural representation of plug component in Fig. 2；
Fig. 5 is the decomposing schematic representation of Fig. 4；
Fig. 6 is the schematic diagram of twist mechanism in Fig. 1；
Fig. 7 a is the circuit relationships schematic diagram of potentiometer in plc collecting unit；
Fig. 7 b is v in plc collecting unitrefLevel output switching activity schematic diagram when the pin signal of telecommunication declines.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
In conjunction with shown in Fig. 1 to Fig. 5, being the present invention one preferred embodiment, a kind of equipment for testing service life of automobile connecting line,
Including two stretching detection means 10, stretching detection means 10 includes line box 101, plug component 102, slide mechanism and plc and adopts
Collection unit.The two ends of automobile connecting line to be tested are respectively fixedly connected with two stretching detection means 10.Plug component 102
Number can be at least one or more, it is each attached in line box 101, and plug component 102 is provided with some confession automobiles
The plug wire hole (not marking in figure) that each heart yearn in connecting line is respectively connected to, each plug wire hole passes through wire respectively
It is connected with plc collecting unit.Specifically, each plug wire hole is all connected with corresponding contact pin 1021, then inserts for each
Pin 1021 is connected with plc collecting unit by wire again.The two ends of automobile connecting line to be tested are inserted respectively into positioned at two
During the plug component 102 of individual stretching detection means 10, each heart yearn in automobile connecting line is respectively connected to a plug wire in the hole.
Slide mechanism is fixedly connected with line box 101, so that line box 101 is slided in the horizontal direction, needs the vapour of test so as to reach stretching
The purpose of car connecting line.
Slide mechanism include guide rail 1031, sliding seat 1035, screw mandrel (not marking in figure), feed screw nut 1032,
First reductor 1033 and the first motor 1034.First motor 1034 is connected with screw rod transmission by the first reductor 1033.The
One reductor 1033 plays the effect of coupling rotating speed and transmission torque between the first motor 1034 and screw mandrel it is preferred that first is electric
Machine 1034 can be servomotor, and the first reductor 1033 can be gear reduction unit, by inputting the power of the first motor 1034
To little gear one end of the first reductor 1033, then gear wheel is driven thus reaching the purpose of deceleration by little gear.Screw mandrel leads to
Cross feed screw nut 1032 to be connected with sliding seat 1035, line box 101 is fixed on sliding seat 1035, sliding seat 1035 is slidably solid
It is scheduled on guide rail 1031.When sliding seat 1035 slides along guide rail 1031, the line box 101 being fixed on sliding seat 1035 is driven to move
Dynamic, make the automobile being connected in line box 101 connect line drawing.May be provided in line box 101 covering the installation of line box 101
Plate 104, plug component 102 is fixed in line box 101 through installing plate 104.
As shown in Fig. 2 equipment for testing service life also includes the bending mechanism for making automobile connecting line bent, bar folder is set up
In stretching detection means 10, for testing the bending angle that automobile connecting line can bear in running.
Bending mechanism includes the second motor (not marking in figure), rotating shaft 205, bearing 201, fixed seat 202, is used for
The device of fixed rotating shaft 205 switchs 203 and for drawing the outlet box 204 of wire.Rotating shaft 205 is arranged in line box 101, rotating shaft
205 one end is rotatably mounted in fixed seat 202 by bearing 201, and its other end is in transmission connection with the second motor, and line
Box 101 can rotate together with rotating shaft 205 is centered on the axis of rotating shaft 205.Device switch 203 is fixed in fixed seat 202, and
It is partially disposed in outlet box 204.Outlet box 204 is fixedly arranged in fixed seat 202.In a particular application, stretch detection means 10 He
Bending mechanism can share a motor and be driven, to reduce the cost of manufacture of equipment for testing service life.
When being bent and stretch function is tested it would be desirable to the two ends of the automobile connecting line of test are connected to two
In the plug component 102 of stretching detection means 10, when automobile connecting line accesses plug component 102, every in automobile connecting line
A piece heart yearn all corresponds to a plug wire hole, each plug wire hole is all connected with plc collecting unit by wire, i.e. automobile connecting line
Each heart yearn all corresponds to a signal end connecting plc collecting unit.First motor 1034 is carried by the first reductor 1033
Dynamic screw rod transmission, thus driving the sliding seat 1035 being connected with screw mandrel to slide along guide rail 1031 direction, and then makes to be connected to grafting
Automobile connecting line on part 102 stretches along guide rail 1031 direction.By controlling the rotation precision positioning of the first motor 1034, reach
Arriving pulls back stretches the purpose of automobile connecting line, and the maximum tension distance of this equipment for testing service life is up to 6 meters.Second motor passes through one
Reductor drives rotating shaft 205 to be rotated, so that rotating shaft 205 drives line box 101 to rotate together, the angle of rotation is according to stepping
The ratio of angle and reductor is calculated, and can reach, by exporting suitable frequency pulse, the change controlling bending angle, bending is surveyed
Examination can make automobile connecting line rotate in the range of ± 90 degree.
As shown in fig. 6, equipment for testing service life is also included for making automobile connecting line twist the twist mechanism of deformation
300.Twist mechanism 300 includes the 3rd motor 301, the 3rd reductor 302, is used for the angle that identification the 3rd motor 301 rotates
Sensor 303, rosette 304, wire clamp 305, protective cover 306 and driving member 307.3rd motor 301 passes through the 3rd reductor 302
It is in transmission connection with sensor 303, sensor 303 is in transmission connection with rosette 304 by driving member 307, drive rosette 304 edge
Its axis direction rotates.Wire clamp 305 is fixed on the side of rosette 304, and automobile connecting line is fixed on wire clamp through rosette 304
On 305.Preferably, the distance between rosette 304 and wire clamp 305 are 25mm.Protective cover 306 covers in rosette 304.
When automobile connecting line is carried out reverse with test, one end of automobile connecting line is plugged on the plug component of line box 101
On 102, the other end is fixed on wire clamp 305 through rosette 304.3rd motor 301 passes through the 3rd reductor 302 and sensor
303 are in transmission connection, and sensor 303 drives rosette 304 to rotate by driving member 307, thus reach reversing automobile connecting line
Purpose.Sensor 303 be used for identify the angle that rosette 304 rotates in rotation process, and by the angle feed-back recognizing to
Plc collecting unit, so as to the angle of precise control rotation.
Above-mentioned equipment for testing service life can also include gripping 107 for the positioning lock being fixed stretching detection means 10
With region grating 108.Positioning lock grips 107 sides being fixed on stretching detection means 10, is stretched in stretching detection means 10
Locked after certain position, then the test of bending property is carried out by bending mechanism to automobile connecting line.Region grating 108 is placed in the longevity
In life test equipment, for detect foreign body close to the deathtrap of equipment for testing service life when produce and report to the police, and send stopping
Test signal.I.e. in test process, personnel or other object proximity equipment, equipment for testing service life such as occur in risk range
Can be automatically stopped and report to the police.
Relay coil is included and for monitoring the potentiometer that the signal of telecommunication exceedes predetermined value, relay in plc collecting unit
Coil is electrically connected with plug component 102.By the intelligences combination mode of relay coil, gating can be switched or separating sample is born
Carry electric current, thus reach multiple heart yearns all can be tested in same equipment for testing service life.As shown in Figure 7a, in test process
In, need the signal of telecommunication sampling end of the automobile connecting line of test to connect to the v of plc collecting unitiHold, presetting potential device connects simultaneously
It is connected to the v of plc collecting unitrefEnd, vrefThe level adjustment at end is less than at 1a to normal electrical signal amplitude.When under normal electrical signal
It is decreased to less than vrefDuring the signal at end, level output switching activity, as shown in Figure 7b, plc collecting unit carries out time meter after being acquired
Calculate, do not processed when the time calculating being less than 10 milliseconds, shut down and report to the police when the time calculating being more than 10 milliseconds.
The equipment for testing service life of automobile connecting line of the present invention is fixing online using the plug component 102 with some plug wire holes
On box 101, and each plug wire hole is made all to be connected with plc collecting unit by wire, when automobile connecting line accesses Plug Division
During part 102, its each interior heart yearn can correspond to a wiring hole, break when a certain heart yearn, bad or fault when, corresponding
The signal of telecommunication of heart yearn produces change in plc collecting unit, can judge rapidly which root heart yearn concrete goes wrong, thus reaching
The purpose of intelligent decision.This equipment for testing service life can test a plurality of different automobile connecting line simultaneously, such as 4 cores, 5 cores, 7 cores,
12 cores, 13 cores, 15 cores etc..
The equipment for testing service life of this automobile connecting line can effectively check the quality of connecting line, thus avoiding using bad
Wire rod, ultimately result in automobile and security incident operationally occur；The service life of this connecting line can accurately be understood, do in advance
Go out prevention or make corresponding improvement；The power of test of connecting line industry production quality can easily and effectively be solved；Simultaneously
The detection that test function is entirely capable of meeting in gb t 5054.4/iso4141-4 standard requires.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of equipment for testing service life of automobile connecting line, including for fixing the two of automobile connecting line two ends to be tested respectively
Individual stretching detection means, described stretching detection means includes line box, plug component and slide mechanism, and described plug component is fixed on
It is characterised in that described stretching detection means also includes plc collecting unit in described line box；It is provided with described plug component
The plug wire hole that each heart yearn in some confession automobile connecting lines is respectively connected to, each plug wire hole respectively pass through wire with described
Plc collecting unit is connected；Described slide mechanism is fixedly connected with described line box, so that described line box is slided in the horizontal direction.
2. the equipment for testing service life of automobile connecting line according to claim 1 is it is characterised in that described slide mechanism includes
Guide rail, sliding seat, screw mandrel, feed screw nut and the first motor；Described first motor is connected with described screw rod transmission；Described screw mandrel leads to
Cross described feed screw nut to be connected with described sliding seat, described line box is fixed on described sliding seat, and described sliding seat is slidably
It is fixed on described guide rail.
3. the equipment for testing service life of automobile connecting line according to claim 1 and 2 is it is characterised in that described life test
Equipment also includes the bending mechanism for making described automobile connecting line bent, and described bending mechanism is placed in described stretching detection means
On.
4. the equipment for testing service life of automobile connecting line according to claim 3 is it is characterised in that described bending mechanism includes
Second motor, rotating shaft, bearing and fixed seat, described rotating shaft is arranged in described line box, and it is rotatable that its one end passes through described bearing
Be fixed in described fixed seat, its other end is in transmission connection with described second motor, and described line box can with described rotating shaft with
Rotate together centered on the axis of described rotating shaft.
5. the equipment for testing service life of automobile connecting line according to claim 4 is it is characterised in that described bending mechanism also wraps
Include and switch for the device fixing described rotating shaft and for drawing the outlet box of wire, described device switch is fixed on described fixation
On seat, and it is partially disposed in described outlet box；Described outlet box is fixedly arranged in described fixed seat.
6. the equipment for testing service life of automobile connecting line according to claim 1 is it is characterised in that described equipment for testing service life
Also include gripping and region grating for the positioning lock being fixed stretching detection means, described positioning and locking folder is fixed on institute
State the side of stretching detection means；Described region grating is placed on equipment for testing service life, for detecting foreign body close to described
Produce during equipment for testing service life and report to the police, and send stopping test signal.
7. the equipment for testing service life of the automobile connecting line according to claim 1,2,4,5 or 6 is it is characterised in that the described longevity
Life test equipment is also included for making automobile connecting line twist the twist mechanism of deformation.
8. the equipment for testing service life of automobile connecting line according to claim 7 is it is characterised in that described twist mechanism includes
3rd motor, driving member, the sensor of angle, rosette and wire clamp for identifying described 3rd motor rotation, the described 3rd
Motor is in transmission connection with described driving member by described sensor, and described driving member is in transmission connection with described rosette, drives institute
State rosette to rotate along its axis direction；Described wire clamp is fixed on the side of described rosette, and described automobile connecting line passes through institute
State rosette to be fixed on described wire clamp.
9. the equipment for testing service life of automobile connecting line according to claim 8 is it is characterised in that described twist mechanism also wraps
Include protective cover, described protective cover covers in described rosette.
10. the equipment for testing service life of automobile connecting line according to claim 1 is it is characterised in that described plc collecting unit
Interior inclusion relay coil and for monitoring the potentiometer that the signal of telecommunication exceedes predetermined value, described relay coil and described Plug Division
Part electrically connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410804669.6A CN104458434B (en) | 2014-12-19 | 2014-12-19 | Service life test device of car connecting wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410804669.6A CN104458434B (en) | 2014-12-19 | 2014-12-19 | Service life test device of car connecting wire |
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| Publication Number | Publication Date |
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| CN104458434A CN104458434A (en) | 2015-03-25 |
| CN104458434B true CN104458434B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410804669.6A Active CN104458434B (en) | 2014-12-19 | 2014-12-19 | Service life test device of car connecting wire |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777050B (en) * | 2015-04-17 | 2017-06-20 | 东北大学 | A kind of resistance changing film low temperature bending tester and method of testing |
| CN107978956A (en) * | 2017-12-28 | 2018-05-01 | 厦门广成实业有限公司 | A kind of harness assembling inducing device and its control method |
| CN109060354A (en) * | 2018-07-18 | 2018-12-21 | 浙江创格科技有限公司 | A kind of strength testing device of engine wiring harness |
| CN113188910A (en) * | 2021-05-14 | 2021-07-30 | 江西华尔达线缆股份有限公司 | Be used for tensile detection device of enameled wire |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3282619B2 (en) * | 2000-03-22 | 2002-05-20 | 住友電装株式会社 | Wire harness bending test method and wire bending test apparatus |
| JP2001272320A (en) * | 2000-03-27 | 2001-10-05 | Sumitomo Wiring Syst Ltd | Bending test device for wire harness |
| JP2002157927A (en) * | 2000-11-21 | 2002-05-31 | Sumitomo Wiring Syst Ltd | Bend tester for electric wire |
| CN101750253B (en) * | 2009-12-16 | 2012-05-23 | 启明信息技术股份有限公司 | Feedback low-temperature bending test method and device for wire harness |
| CN102866323B (en) * | 2012-09-13 | 2015-07-08 | 南车株洲电力机车研究所有限公司 | Wiring detection method and device for programmable logic controller (PLC) module |
| CN203133218U (en) * | 2013-03-06 | 2013-08-14 | 江南大学 | Automatic testing apparatus for wire harness |
| CN203275214U (en) * | 2013-06-07 | 2013-11-06 | 深圳市宏之都科技有限公司 | Tearing detection device of wire sheath |
| CN203385624U (en) * | 2013-07-03 | 2014-01-08 | 上海出入境检验检疫局机电产品检测技术中心 | Power line pulling and twisting testing device |
| CN103389415B (en) * | 2013-08-07 | 2016-03-09 | 福耀玻璃（重庆）有限公司 | For detecting glass heats line resistance and the detection system whether broken and method |
| CN203535157U (en) * | 2013-10-21 | 2014-04-09 | 无锡忻润汽车安全系统有限公司 | Detection device for vehicle wiring panel and vehicle wiring harness |
| CN204027939U (en) * | 2014-09-04 | 2014-12-17 | 陈玉杰 | A kind of automotive wire bundle detects puller system |
| CN204286945U (en) * | 2014-12-19 | 2015-04-22 | 积架宝威汽车配件(深圳)有限公司 | The equipment for testing service life of automobile connecting line |
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