CN102116820B - Control system for durability test device of car rotary connector - Google Patents
Control system for durability test device of car rotary connector Download PDFInfo
- Publication number
- CN102116820B CN102116820B CN 201010612447 CN201010612447A CN102116820B CN 102116820 B CN102116820 B CN 102116820B CN 201010612447 CN201010612447 CN 201010612447 CN 201010612447 A CN201010612447 A CN 201010612447A CN 102116820 B CN102116820 B CN 102116820B
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- switch
- rotary connector
- direct supply
- air switch
- auxiliary reclay
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 238000005259 measurement Methods 0.000 claims description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
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Abstract
The invention discloses a control system for a durability test device of a car rotary connector, which comprises a direct current power supply, a control box connected to the direct current power supply, a double-opening double-closing intermediate relay and a single-opening single-closing intermediate relay which are arranged in the control box, and a test circuit power indicator, a control circuit power indicator, a counter, a reset switch, a first air switch and a second air switch which are arranged on the control box. The control system also comprises a clockwise rotating position switch and an anticlockwise rotating position switch which are electrically connected to the control box, wherein the first air switch is connected to the clockwise rotating position switch, the anticlockwise rotating position switch and the counter; the second air switch is connected to a flat cable of the car rotary connector; and the other end of the flat cable is connected to one end of the test circuit power indicator. The whole control system is low in cost, is conveniently operated, can reliably run, and is fit for various durability tests for car rotary connector.
Description
Technical field
The present invention relates to the control system of automobile component test unit, be specifically related to a kind of control system of automobile rotary connector durability test device.
Background technology
The automobile rotary connector is installed in the space between bearing circle and the steering column combined switch usually, and when automobile normally moved, it made to keep between bearing circle, these two relatively rotating parts of steering-column switch being electrically connected reliably along with bearing circle is done rotation synchronously.It is the important parts of automobile, and its permanance plays an important role to the reliability of automotive system.
Existing supplier is general only to carry out the monomer endurancing to the automobile rotary connector, can not simulate under real vehicle state (being steering column, the combined switch state when being connected with bearing circle) and carry out the systematicness test, so the result of monomer endurancing is difficult to the reliability of automobile rotary connector in automotive system assessed accurately.Under the real vehicle state, the automobile rotary connector is carried out the systematicness test and will simulate, just need exploitation can satisfy device and the control system thereof of systemic testing requirements.
Summary of the invention
The control system that the purpose of this invention is to provide a kind of automobile rotary connector durability test device, it can drive the bearing circle rotation by simulation control steering column, and the break-make of the flat cable in the automobile rotary connector detected the reliability that is connected between checking bearing circle and the combined switch.
The control system of a kind of automobile rotary connector durability test device of the present invention, comprise direct supply and connected control enclosure, being located at two in the control enclosure opens and twoly closes auxiliary reclay and singly open and singly close auxiliary reclay, be located at the measurement circuit power light above the control enclosure, the operation circuit power light, counter, reset switch, first air switch and second air switch, also comprise the up time position of rotation switch that is electrically connected with control enclosure, inverse time position of rotation switch is characterized in that: an end of first air switch is connected with the DC+ of direct supply end;
One end of up time position of rotation switch is connected with the other end of first air switch, the other end is connected with two pair ends that close auxiliary reclay of opening, and two pair other ends that close auxiliary reclay of opening are connected with the DC-end of direct supply;
One end of inverse time position of rotation switch is connected with the other end of first air switch, the other end with singly open an end that singly closes auxiliary reclay and be connected, singly open the other end that singly closes auxiliary reclay and be connected with the DC-end of direct supply;
One end of counter is connected with the other end of first air switch, the other end is connected with an end of the reversing solenoid valve of the pneumatic system of automobile rotary connector durability test device, and the other end of this commutation electromagnetic gas valve is connected with the DC-end of direct supply; Reset switch is connected with counter;
One end of second air switch is connected with the DC+ of direct supply end, the other end is connected with automobile rotary connector flat cable, the other end of automobile rotary connector flat cable is connected with an end of measurement circuit power light, and the other end of measurement circuit power light is connected with the DC-of direct supply end.Whether the measurement circuit power light is used for monitoring test process automobile rotary connector flat cable and disconnects, and extinguishes as this this pilot lamp, represents that then automobile rotary connector flat cable to be measured disconnects off-test.
The present invention also comprises a variohm, and this variable-resistance end is connected with the other end of automobile rotary connector flat cable, and the other end is connected with the DC-end of direct supply.This variohm and automobile rotary connector flat cable are connected in the test loop, its resistance adjustment scope 0-20 Ω, accuracy class 0.1 Ω, by calculating and regulate its resistance to certain numerical value, the electric current that passes through in the automobile rotary connector flat cable is maintained in 1 ± 0.1A scope of testing requirements.
The other end of described its first air switch is connected with two pair ends that close a normally opened contact of auxiliary reclay of opening, the other end of this normally opened contact is connected with an end of singly opening the normally closed contact that singly closes auxiliary reclay, and the other end of normally closed contact is connected with two pair ends that close auxiliary reclay of opening; The other end of first air switch also is connected with two pair ends that close another normally opened contact of auxiliary reclay of opening, and the other end of this normally opened contact is connected with the end of counter with the commutation electromagnetic gas valve.The every connection of normally opened contact once, namely bearing circle whenever is rotated in the forward and arrives assigned address once, counter is then counted once, counter can also be by reset switch with the record data zero clearing in the counter.
One end of described operation circuit power light is connected with the DC+ of direct supply end, the other end is connected with the DC-end of direct supply.The operation circuit power light is used for whether operate as normal of Monitoring and Controlling circuit.
The invention solves the test of traditional automobile rotary connector monomer and be difficult to problem that its reliability level under the real vehicle environment is assessed; By giving the power supply of automobile rotary connector flat cable and use the rotation of pneumatic means control steering mechanism, can be near the reliability of real vehicle checking automobile rotary connector; Adopt rolling counters forward to guarantee rotary connector long duration test result's accuracy; The The whole control system cost is low, and is easy and simple to handle, reliable, is applicable to the endurancing of various automobile rotary connectors.
Description of drawings
Fig. 1 is the synoptic diagram of control enclosure of the present invention;
Fig. 2 is control principle figure of the present invention;
Fig. 3 is the synoptic diagram of automobile rotary connector durability test device.
Embodiment
Describe in further detail according to the technical scheme of Figure of description to invention below.
Control system referring to a kind of automobile rotary connector durability test device illustrated in figures 1 and 2, comprise direct supply 31 and connected control enclosure 20, being located at two in the control enclosure opens and twoly closes auxiliary reclay 32 and singly open and singly close auxiliary reclay 33, be located at the measurement circuit power light 34 above the control enclosure, operation circuit power light 35, counter 36, reset switch 37, first air switch 38 and second air switch 39, also comprise the up time position of rotation switch 10 that is electrically connected with control enclosure 20, inverse time position of rotation switch 12 and variable resistor 42 is characterized in that: an end of first air switch 38 is connected with the DC+ of direct supply 31 end;
One end of up time position of rotation switch 10 is connected with the other end of first air switch 38, the other end is connected with two pair ends that close auxiliary reclay 32 of opening, and two pair other ends that close auxiliary reclay of opening are connected with the DC-end of direct supply 31;
One end of inverse time position of rotation switch 12 is connected with the other end of first air switch 38, the other end with singly open an end that singly closes auxiliary reclay 33 and be connected, singly open the other end that singly closes auxiliary reclay and be connected with the DC-end of direct supply 31;
One end of counter 36 is connected with the other end of first air switch 38, the other end is connected with an end of the reversing solenoid valve 40 of the pneumatic system of automobile rotary connector durability test device, and the other end of reversing solenoid valve is connected with the DC-end of direct supply 31; Reset switch 37 is connected with counter 36;
One end of second air switch 39 is connected with the DC+ of direct supply 31 end, the other end is connected with automobile rotary connector flat cable 41, one end of the other end measurement circuit power light 34 of automobile rotary connector flat cable connects, and the DC-end of the other end direct supply 31 of measurement circuit power light connects.
One end of variohm 42 is connected with the other end of automobile rotary connector flat cable 41, and the other end of variohm is connected with the DC-end of direct supply 31.
The other end of first air switch 38 is connected with two pair ends that close a normally opened contact KA1-1 of auxiliary reclay 32 of opening, the other end of this normally opened contact KA1-1 is connected with an end of singly opening the normally closed contact KA2 that singly closes auxiliary reclay 33, and the other end of normally closed contact KA2 is connected with two pair ends that close auxiliary reclay 32 of opening; The other end of first air switch 38 also is connected with two pair ends that close another normally opened contact KA1-2 of auxiliary reclay 32 of opening, and the other end of this normally opened contact KA1-2 is connected with the end of counter 36 with commutation electromagnetic gas valve 40.
One end of described operation circuit power light 35 is connected with the DC+ of direct supply 31 end, the other end is connected with the DC-end of direct supply.
During test, insert the 220V electric main, through the direct supply rectification, output 14V direct supply is for automobile rotary connector flat cable 41, two opening are twoly closed auxiliary reclay 32, singly opened and singly close auxiliary reclay 33 and reversing solenoid valve 40 power supplies.
Referring to control enclosure synoptic diagram shown in Figure 1.Routine operation order is as follows: insert external power supply → open DC power supply switch → first air switch, the 38 → operation circuit power light 35 that closes second air switch, the 39 → measurement circuit power light 34 that brightens → close and brighten → start working, circulation of the every rotation of bearing circle, counter 36 countings once.Can quit work at any time in the operation way and adjust, not change count results after reruning, use reset switch 37 to carry out zero clearing to counter.
Referring to automobile rotary connector durability test device shown in Figure 3, comprise assembling stand, pneumatic system and control system, the test exemplar that uses of entrucking does not comprise that steering such as steering gear, steering column, bearing circle and automobile rotary connector are installed on the assembling stand and tests, and wherein the automobile rotary connector is installed in the bearing circle.
The assembling stand of automobile rotary connector durability test device comprises first pedestal 1 and second pedestal 22 that is adjacent;
Right part on first pedestal 1 is provided with the first steering gear holder 2 and the second steering gear holder 3, middle part are provided with up time rotary switch support 9 and inverse time rotary switch support 11, left part are provided with the first cylinder holder 7 and the second cylinder holder 8;
One cylinder 6 is clamped in the top of the first cylinder holder 7 and the second cylinder holder 8, which is provided with interface T1 and T2; The right-hand member of this cylinder 6 is connected with a connecting screw rod 5 left ends, and the right-hand member of this connecting screw rod is connected with the left end of the steering gear 4 of test exemplar; Connecting screw rod 5 carries out stretching motion with cylinder 6 pistons, and after the vertical iron block on the connecting screw rod touched up time position of rotation switch 10 or inverse time position of rotation switch 12, reversing solenoid valve power supply 40 was switched on or switched off, and the motion of cylinder 6 pistons is also reverse thereupon.
On second pedestal 22, be provided with steering column angular setting support, this steering column angular setting support also is made up of by the angle orientation bar 19 that first nut 28 and second nut 29 are fixed with steering column fixed head 16, the vertical bar hole that passes on the operation platen that the left end of operation platen is connected by hinge 15 operation platen 21, lower end, and the upper end of this angle orientation bar is connected by a piece of bolt 30 below being located at steering column fixed head 16.
When carrying out the endurancing of automobile rotary connector, the steering gear 4 of test exemplar is clamped in the top of the first steering gear holder 2 and the second steering gear holder 3, and the right-hand member of connecting screw rod 5 is connected with the left end of steering gear 4; The up time position of rotation switch 10 of the control system of automobile rotary connector durability test device is located at the upper end of up time rotary switch support 9, inverse time position of rotation switch 12 is located at the upper end of inverse time rotary switch support 11, and lays respectively at the both sides of connecting screw rod 5; The top of steering column 13 of test exemplar be located by connecting on steering column angular setting support steering column fixed head 16 above, the lower end of steering column 13 is connected with the left part of steering gear 4, the steering column upper end is connected with vehicle steering 17, and automobile rotary connector 18 is installed in the bearing circle; Interface T1 on the cylinder 6 is connected with the pneumatic system of automobile rotary connector durability test device with T2.The control enclosure 20 of this control system is placed on the operation platen 21 of steering column angular setting support.
Claims (2)
1. the control system of an automobile rotary connector durability test device, comprise direct supply (31) and connected control enclosure (20), being located at two in the control enclosure opens and twoly closes auxiliary reclay (32) and singly open and singly close auxiliary reclay (33), be located at the measurement circuit power light (34) above the control enclosure, operation circuit power light (35), counter (36), reset switch (37), first air switch (38) and second air switch (39), also comprise the up time position of rotation switch (10) and the inverse time position of rotation switch (12) that are electrically connected with control enclosure (20), it is characterized in that: an end of first air switch (38) is connected with the DC anode of direct supply (31);
One end of up time position of rotation switch (10) is connected with the other end of first air switch (38), the other end of up time position of rotation switch (10) is connected with two pair ends that close auxiliary reclay (32) of opening, and two pair other ends that close auxiliary reclay of opening are connected with the DC negative terminal of direct supply (31);
One end of inverse time position of rotation switch (12) is connected with the other end of first air switch (38), the other end of inverse time position of rotation switch (12) with singly open an end that singly closes auxiliary reclay (33) and be connected, singly open the other end that singly closes auxiliary reclay and be connected with the DC negative terminal of direct supply (31);
One end of counter (36) is connected with the other end of first air switch (38), the other end of counter (36) is connected with an end of the commutation electromagnetic gas valve (40) of the pneumatic system of automobile rotary connector durability test device, and the other end of this commutation electromagnetic gas valve is connected with the DC negative terminal of direct supply (31); Reset switch (37) is connected with counter (36);
One end of second air switch (39) is connected with the DC anode of direct supply (31), the other end of second air switch (39) is connected with automobile rotary connector flat cable (41), the other end of automobile rotary connector flat cable is connected with an end of measurement circuit power light (34), and the other end of measurement circuit power light is connected with the DC negative terminal of direct supply (31);
Also comprise a variohm (42), an end of this variohm is connected with the other end of automobile rotary connector flat cable (41), and the other end of this variohm is connected with the DC negative terminal of direct supply (31);
The other end of first air switch (38) is connected with two pair ends that close a normally opened contact (KA1-1) of auxiliary reclay (32) of opening, the other end of this normally opened contact (KA1-1) is connected with an end of singly opening the normally closed contact (KA2) that singly closes auxiliary reclay (33), and the other end of normally closed contact (KA2) is connected with two pair ends that close auxiliary reclay (32) of opening; The other end of first air switch (38) also is connected with two pair ends that close another normally opened contact (KA1-2) of auxiliary reclay (32) of opening, and the other end of this normally opened contact (KA1-2) is connected with the other end of counter (36).
2. the control system of a kind of automobile rotary connector durability test device according to claim 1, it is characterized in that: an end of described operation circuit power light (35) is connected with the DC anode of direct supply (31), the other end is connected with the DC negative terminal of direct supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010612447 CN102116820B (en) | 2010-12-30 | 2010-12-30 | Control system for durability test device of car rotary connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010612447 CN102116820B (en) | 2010-12-30 | 2010-12-30 | Control system for durability test device of car rotary connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102116820A CN102116820A (en) | 2011-07-06 |
| CN102116820B true CN102116820B (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010612447 Expired - Fee Related CN102116820B (en) | 2010-12-30 | 2010-12-30 | Control system for durability test device of car rotary connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102116820B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507161A (en) * | 2011-09-27 | 2012-06-20 | 奇瑞汽车股份有限公司 | Durability test bench for front and rear hood hinges |
| CN103941110B (en) * | 2013-01-21 | 2016-08-10 | 重庆长安汽车股份有限公司 | The durability test device of car rotary connector and test method |
| CN111855167A (en) * | 2020-06-08 | 2020-10-30 | 东风柳州汽车有限公司 | Device and method for testing durability of spiral cable of steering wheel |
| CN113687108B (en) * | 2021-07-21 | 2024-02-13 | 中国兵器装备集团上海电控研究所 | Rotary connector test platform |
| CN113758733B (en) * | 2021-08-23 | 2024-01-16 | 岚图汽车科技有限公司 | System and method for testing connection reliability of steering wheel and clock spring |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2123070U (en) * | 1992-06-04 | 1992-11-25 | 清华大学 | Varying duty testing table for vehicle steering unit |
| CN101017117A (en) * | 2007-02-28 | 2007-08-15 | 清华大学 | Durability testing stand of electric power-assisted steering system |
| CN201331426Y (en) * | 2008-12-15 | 2009-10-21 | 比亚迪股份有限公司 | Clock spring and steering column combined switch endurance test bed |
| CN101776520A (en) * | 2009-12-25 | 2010-07-14 | 奇瑞汽车股份有限公司 | Automobile clock spring durability test device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100494804B1 (en) * | 2003-05-14 | 2005-06-13 | 현대자동차주식회사 | endurance test device for steering system of commercial vehicles |
| KR100851122B1 (en) * | 2006-08-29 | 2008-08-08 | 현대자동차주식회사 | Steering power pump unmanned endurance testing apparatus for vehicle |
-
2010
- 2010-12-30 CN CN 201010612447 patent/CN102116820B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2123070U (en) * | 1992-06-04 | 1992-11-25 | 清华大学 | Varying duty testing table for vehicle steering unit |
| CN101017117A (en) * | 2007-02-28 | 2007-08-15 | 清华大学 | Durability testing stand of electric power-assisted steering system |
| CN201331426Y (en) * | 2008-12-15 | 2009-10-21 | 比亚迪股份有限公司 | Clock spring and steering column combined switch endurance test bed |
| CN101776520A (en) * | 2009-12-25 | 2010-07-14 | 奇瑞汽车股份有限公司 | Automobile clock spring durability test device |
Non-Patent Citations (1)
| Title |
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| 付树占等.简易疲劳试验台的设计.《山西机械》.2000, * |
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| CN102116820A (en) | 2011-07-06 |
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