CN102175458B - Automatic detection controller for testing performance of heater plug of automobile - Google Patents
Automatic detection controller for testing performance of heater plug of automobile Download PDFInfo
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- CN102175458B CN102175458B CN 201110030310 CN201110030310A CN102175458B CN 102175458 B CN102175458 B CN 102175458B CN 201110030310 CN201110030310 CN 201110030310 CN 201110030310 A CN201110030310 A CN 201110030310A CN 102175458 B CN102175458 B CN 102175458B
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Abstract
The invention discloses an automatic detection controller for testing performance of a heater plug of an automobile. The design principle is as follows: two ends of the normally open contact of a first intermediate relay are connected with a power switch to form a latching circuit; a group of normally open contacts of a second intermediate relay is connected with a contactor for controlling the work of the heater plug, and another group of normally open contacts is connected with the normally open contact of a second time relay to form the latching of a second relay; the switch-on time of the heater plug is set by using a first time relay, so that the heater plug is switched on for preheating; after set time of the first time relay is reached, the second intermediate relay is switched off and the heater plug stops preheating for cooling; the switch-off time of the heater plug is set by using the second time relay; and after set time is reached, the first time relay is switched on and the heater plug starts preheating to realize cyclic control. By adopting the automatic detection controller, preheating and cooling the heater plug of an engine can be controlled accurately, a cyclic testing experiment of the heater plug is completed in an automatic state, manual intervention is not required, and a test result is recorded in real time.
Description
Technical field
The invention belongs to internal combustion engine component, be specifically related to the device that the reliability of automobile-used heater plug is tested automatically.
Background technology
Automobile industry is more and more higher to the standardization requirement of its related multiple product both at home and abroad at present, and fundamental purpose is to promote the quality control to product.Heater plug is the critical piece of motor car engine, and its main effect is to finish in setting time to carry out preheating to entering the indoor air of engine combustion.In order to reach strict quality monitoring standard, before realizing that factory is supporting, tackle it and examine, identify and screen, see that can it shorten the time of cold start-up on request, but regrettably there is no at present the isolated plant that the heater plug performance reliability is tested automatically.The automatic test control of heater plug reliability, very important to guaranteeing the smooth cold start-up of engine.Therefore the foundation of pick-up unit requires must meet the conforming standard of enterprise to heater plug performance test process, and all processes will realize programming automation, guarantees the authenticity of data.The present invention aims at head it off exactly and proposes.
Summary of the invention
The objective of the invention is, for realizing that heater plug is carried out continuous continual test and monitoring, provide a kind of device that automobile-used heater plug performance is carried out automatic experimental test.Utilize controller that heater plug is tested, and can analyze the heater plug fault, finally reach the quality monitoring purpose to heater plug.
Below in conjunction with accompanying drawing know-why of the present invention is described.According to enterprise to heater plug reliability and consistency criterion
Requirement, the heater plug electrical working time is 60s, makes heater plug fully heat rear outage 60s, and then energising 60s preheating,
So repeat to test the reliability of examination heater plug.Company standard requires regulation, does not have if test 2000 heater plugs
Fault is arranged, and namely by reliability demonstration, this standard namely is the foundation of trace routine design of the present invention.
Automatic detection controller for automobile glow plug performance test forms (circuit is such as figure) by control circuit and electric current and voltage display system two parts.Heater plug is connected by the contactor normally opened contact with control circuit, is connected by two transmitters with the electric current and voltage display system simultaneously.Under the effect of control circuit, cycle control is carried out in the heating and cooling test of heater plug, show in real time preheating voltage and current value, record test number (TN), intelligent fault are reported to the police and are shut down.
The effect of electric current and voltage display system is that the voltage and current value in the heater plug process of the test is monitored, and makes a response in the situation that the no one intervenes when heater plug broken down, and gives the alarm and shuts down.The effect of control circuit is that cycle control is carried out in heater plug preheating cooling, sets preheating cool time, record test number (TN).
On hardware setting, display system comprises current/voltage Displaying Meter and electric current and voltage transmitter.Control system comprises A.C. contactor, two auxiliary reclays, two time relays, counting relay and power switches etc.The main line technical scheme of circuit design is: an end of the first power switch is connected with AC power, and the other end is connected in first group of normally opened contact of second source switch and an auxiliary reclay; First group of normally opened contact of No. two auxiliary reclays links to each other with the contactor coil of control heater plug work.Be connected to the 3rd group of normally opened contact of No. two auxiliary reclays behind two heater plug relay indicating lights of end serial connection of second group of normally opened contact of an auxiliary reclay.First group of normally closed contact of No. two auxiliary reclays is connected with No. two time relay coils, and second group of normally closed contact is connected to counter normally opened contact two ends.Be connected in a plurality of detected heater plug positive terminals behind the one end serial connection direct supply of contactor normally opened contact; The contactor normally opened contact other end is connected in a plurality of detected heater plug negative pole ends by the current/voltage transmitter.The output terminal of transmitter connects respectively voltage, electric current Displaying Meter.No. one time relay time-delay break contact one is terminated at the auxiliary reclay coil No. two; A time relay time-delay break contact other end is connected to respectively the time closing contact of time relay coil, second group of normally opened contact of No. two relays and No. two time relays.The design of circuit can realize that heater plug carries out the cycle control of preheating cooling according to test standard.A time relay is set the conduction time of heater plug.No. two time relays are set the time of heater plug outage cooling.
Control circuit cycle control principle is as follows: the heater plug that reaches setting when No. two time relays is after cool time, its delayed contact adhesive, and a time relay coil and No. two auxiliary reclay coils get electric adhesive, and heater plug must be established the beginning preheating by cable.After the delayed contact of a time relay disconnects (reach heater plug preheating time), No. two auxiliary reclay coil blackouts.No. two time relays (by No. two auxiliary reclay normally closed contacts) electric adhesive, time relay (by No. two time relay time closing contacts open circuits) dead electricity disconnects, heater plug begins cool time.After No. two time relays time-delay (heater plug cool time) contact adhesive, time relay and No. two auxiliary reclays simultaneously electric, heater plug begins prefiring again, finishes thus heater plug preheating cool cycles and controls.Second group of normally closed contact of No. two auxiliary reclays is connected with counter, and the every disconnection start-stop counter in contact just increases the heater plug test once automatically, auto stop after arriving the test number (TN) of setting.
Description of drawings
Shown in accompanying drawing be circuit principle structure figure of the present invention.
Reference numeral represents by the speciality habit noun: auxiliary reclay J, time relay sj, counting relay JS, power switch SA, A.C. contactor KM, power light L, transmitter BSQ, Displaying Meter B.
Embodiment
Below in conjunction with accompanying drawing and by specific embodiment technical scheme of the present invention is described further (referring to accompanying drawing).Need to prove, the present embodiment is narrative, is not determinate, does not limit protection scope of the present invention with this.
Automatic detection controller for automobile glow plug performance test, its circuit connects to form and is: the end of the first power switch SA1 is connected with AC power, and the other end is connected in first group of normally opened contact (putting in order of contact is from bottom to top in the drawings) of second source switch S A2 and an auxiliary reclay J1.First group of normally opened contact of No. two auxiliary reclay J2 links to each other with the contactor KM coil of control heater plug work.Be connected to the 3rd group of normally opened contact of No. two auxiliary reclay J2 behind end serial connection two heater plug relay indicating light L1, L2 of second group of normally opened contact of an auxiliary reclay J1.First group of normally closed contact of No. two auxiliary reclay J2 is connected with No. two time relay sj 2 coils; Second group of normally closed contact is connected to counter JS normally opened contact two ends.Be connected in a plurality of detected heater plug YRS positive terminals behind the one end serial connection direct supply of contactor KM normally opened contact; The contactor KM normally opened contact other end is connected in a plurality of detected heater plug YRS negative pole ends by current/voltage transmitter BSQ.The output terminal of transmitter BSQ is connected to respectively two Displaying Meter B1, B2.No. one time relay sj 1 time-delay break contact one is terminated at auxiliary reclay SJ2 coil No. two; Time relay sj 1 a time-delay break contact other end is connected to respectively the time closing contact of time relay sj 1 coil, 2 second groups of normally opened contacts of No. two relay J and No. two time relay sjs 2.Two Displaying Meters, two heater plug relay indicating lights, No. one and No. two auxiliary reclays, No. one with No. two time relays and counter by ac power supply; The heater plug dc power supply is 24V.
Whole system is by the 220V/50HZ Power supply, after system's energising, and when closed electrical source switch SA2, auxiliary reclay J1 adhesive, power light L1 lights, and unison counter JS enters count status.The coil of No. two time relay sjs 2 gets electric by first group of normally closed contact of No. two auxiliary reclay J2, the coil of a time relay sj 1 gets electric by the time closing contact of No. two time relay sjs 2 after 60 seconds, simultaneously the coil of No. two auxiliary reclay J2 also electric, No. two auxiliary reclay J2 get electric rear normally closed contact and become normally opened contact, cause time relay sj 2 dead electricity No. two, No. two time relay sj 2 dead electricity cause normally closed contact to disconnect, can make time relay sj 1 dead electricity No. one, but the normally opened contact of No. two auxiliary reclay J2 get become after electric normally closed, it is connected in the supply line of a time relay sj 1 and No. two auxiliary reclay J2, a time relay sj 1 and No. two auxiliary reclay J2 continue electricly, form self-locking.The coil that No. two auxiliary reclay J2 get electric rear A.C. contactor KM gets electric, and heater plug begins preheating, and heater plug relay indicating light L2 lights simultaneously, electric current and the real-time numerical value of voltage when electric current indicating gauge B2 and voltage indicating gauge B1 demonstrate heater plug work.Counter JS becomes the variation of often opening by No. two auxiliary reclay J2 normally closed contacts to be counted once.The time-delay break contact of a time relay sj 1 disconnects and causes No. two auxiliary reclay J2 and time relay sj 1 dead electricity after 60 seconds, preheating A.C. contactor KM coil losing electricity after No. two time relay J2 dead electricity, the heater plug outage, reometer B2 displayed value returns zero, preheating relay indicating light L2 goes out, and the single test circulation is finished.First group of normally closed contact adhesive after outage of No. two auxiliary reclay J2, No. two time relay sjs 2 electric, the heater plug cooling after 60 seconds a time relay sj 1 and No. two auxiliary reclay J2 must establish beginning heater plug test by cable.So repeat above process, until off-test.
Characteristics of the present invention and beneficial effect are: (1) test controller is finished heater plug prefiring task fully under auto state, need not manual intervention, the real time record test result; (2) nominal time relay, the test process of the whole heater plug of chien shih meets the regulation of company standard during energy automatic control pre-heating plug power on/off; (3) test the Time Controller that goes wrong and the automatic decision phenomenon of the failure to report to the police and shutdown warranty test safety.(4) can test the heater plug that different voltages (12V or 24V) require.(5) simple in structure, cost is low, and is practical, even the heater plug test standard changes, by the demarcation to test macro, can finish test under the new standard condition equally.
Claims (2)
1. automatic detection controller for automobile glow plug performance test, have direct supply, contactor, auxiliary reclay, the time relay, counter, power switch, transmitter and Displaying Meter, an end that it is characterized in that the first power switch (SA1) is connected with AC power, and the other end is connected in first group of normally opened contact of second source switch (SA2) and an auxiliary reclay (J1); First group of normally opened contact of No. two auxiliary reclays (J2) links to each other with contactor (KM) coil, be connected to the 3rd group of normally opened contact of No. two auxiliary reclays (J2) behind one end, two heater plug relay indicating lights of serial connection (L1, L2) of second group of normally opened contact of an auxiliary reclay (J1), first group of normally closed contact of No. two auxiliary reclays (J2) is connected with No. two time relays (SJ2) coil, and second group of normally closed contact is connected to counter (JS) normally opened contact two ends; Be connected in a plurality of detected heater plugs (YRS) positive terminal behind the one end serial connection direct supply of contactor (KM) normally opened contact; Contactor (KM) the normally opened contact other end is connected in a plurality of detected heater plugs (YRS) negative pole end by transmitter (BSQ), the output terminal of transmitter (BSQ) is connected to respectively two Displaying Meters (B1, B2), and a time relay (SJ1) time-delay break contact one is terminated at No. two time relays (SJ2) coil; A time relay (SJ1) the time-delay break contact other end is connected to respectively the time closing contact of a time relay (SJ1) coil, second group of normally opened contact of No. two auxiliary reclays (J2) and No. two time relays (SJ2).
2. according to claims 1 described automatic detection controller for automobile glow plug performance test, it is characterized in that described two Displaying Meters (B1, B2), two heater plug relay indicating lights (L1, L2); Described No. one, No. two auxiliary reclays (J1, J2), No. one, No. two time relays (SJ1, SJ2) and counter (JS) are by ac power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110030310 CN102175458B (en) | 2011-01-27 | 2011-01-27 | Automatic detection controller for testing performance of heater plug of automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110030310 CN102175458B (en) | 2011-01-27 | 2011-01-27 | Automatic detection controller for testing performance of heater plug of automobile |
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| CN102175458A CN102175458A (en) | 2011-09-07 |
| CN102175458B true CN102175458B (en) | 2013-03-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101393080B (en) * | 2008-10-09 | 2010-06-09 | 重庆长安汽车股份有限公司 | Feedback system for automobile remote control central control lock system life test console |
| CN100595553C (en) * | 2008-10-09 | 2010-03-24 | 重庆长安汽车股份有限公司 | Motor vehicle window glass wiper endurance testing apparatus control system |
| CN101787947B (en) * | 2010-01-29 | 2011-09-07 | 重庆长安汽车股份有限公司 | Automobile spray emulator endurance test device |
| CN101762395B (en) * | 2010-01-29 | 2011-11-09 | 重庆长安汽车股份有限公司 | Durability test device for automotive air-conditioning condenser fan |
| CN101793929B (en) * | 2010-02-09 | 2011-11-09 | 重庆长安汽车股份有限公司 | Durability test device for automobile ignition coil |
| CN101793626B (en) * | 2010-03-26 | 2012-07-04 | 重庆长安汽车股份有限公司 | Air volume adjusting knob durability test device for automobile air conditioning system |
| CN101806859A (en) * | 2010-03-26 | 2010-08-18 | 重庆长安汽车股份有限公司 | Automobile automatic air-conditioning system temperature setting button durability test device |
| CN201673038U (en) * | 2010-05-28 | 2010-12-15 | 重庆长安汽车股份有限公司 | Durability test device for machine oil pressure responding plug on automobiles |
| CN201993235U (en) * | 2011-01-27 | 2011-09-28 | 东风朝阳柴油机有限责任公司 | Automatic detection controller for automobile glow plug performance test |
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Owner name: DONGFENG ZHAOYANG ZHAOCHAI POWER CO., LTD. Free format text: FORMER OWNER: DONGFENG ZHAOYANG DIESEL CO., LTD. Effective date: 20131030 |
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Effective date of registration: 20131030 Address after: 122000 the Yellow River Road, Liaoning, No. 3, No. 51, No. Patentee after: Dongfeng Chaoyang Chaochai Power Co., Ltd. Address before: 122000 the Yellow River Road, Liaoning, No. 3, No. 51, No. Patentee before: Dongfeng Chaoyang Diesel Engine Co., Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Automatic detection controller for testing performance of heater plug of automobile Effective date of registration: 20190612 Granted publication date: 20130327 Pledgee: Lingyuan steel enterprise limited liability company Pledgor: Dongfeng Chaoyang Chaochai Power Co., Ltd. Registration number: 2019210000021 |
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