CN201993235U - Automatic detection controller for automobile glow plug performance test - Google Patents
Automatic detection controller for automobile glow plug performance test Download PDFInfo
- Publication number
- CN201993235U CN201993235U CN2011200288468U CN201120028846U CN201993235U CN 201993235 U CN201993235 U CN 201993235U CN 2011200288468 U CN2011200288468 U CN 2011200288468U CN 201120028846 U CN201120028846 U CN 201120028846U CN 201993235 U CN201993235 U CN 201993235U
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- relay
- glow plug
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- normally opened
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Abstract
The utility model discloses an automatic detection controller for an automobile glow plug performance test. The controller has a design principle that: two ends of a normally open contact of a No. 1 middle relay are connected with a power switch to form a self-locking circuit; a group of normally open contacts of a No. 2 middle relay is connected with a contactor controlling a glow plug to work; and another group of normally open contacts of the No. 2 middle relay is connected with the normally open contacts of a No. 2 time relay to form a self-locking circuit of the No. 2 time relay. A No. 1 time relay sets the electrifying time of the glow plug so that the glow plug can be electrified to pre-heat; and when the set time of the No. 1 time relay is reached, the No. 2 middle relay is not electrified, and the glow plug stops pre-heating and cools. The No. 2 time relay sets the outage time of the glow plug; and when the set time is reached, the No. 1 time relay is electrified, the glow plug begins to pre-heat, and then circulation control is realized. The pre-heating and cooling of the glow plug of an engine can be precisely controlled through the controller; a circulation test of the glow plug is finished at an automatic state; manual interference is not required; and the test result is recorded in real time.
Description
Technical field
The utility model belongs to internal combustion engine component, is 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 to carry out preheating to entering the indoor air of engine combustion in official hour.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 the isolated plant that regrettably present still unmatchful 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 the test process of heater plug performance, and all processes will realize programming automation, guarantees the authenticity of data.The utility model aims at head it off exactly and proposes.
Summary of the invention
The purpose of this utility model is for realizing that heater plug is carried out continuous uninterrupted test and monitoring, to 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 quality monitoring purpose heater plug.
Below in conjunction with accompanying drawing know-why of the present utility model is described.According to the requirement of enterprise to heater plug reliability and consistency criterion, the heater plug electrical working time is 60s, makes heater plug fully heat back outage 60s, and then energising 60s preheating, so repeats to test the reliability of examination heater plug.Company standard requires regulation, does not have fault if test 2000 heater plugs, and promptly by reliability demonstration, this standard promptly is the foundation of the utility model trace routine design.
Automobile-used heater plug performance test automatic test controller is formed (circuit is 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 preheating voltage and current value in real time, 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 when under the situation that the no one intervenes heater plug being 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 first power switch is connected with AC power, and the other end is connected in first group of normally opened contact of a 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 voltage, electric current Displaying Meter respectively.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 the time closing contact of time relay coil, second group of normally opened contact of No. two relays and No. two time relays respectively.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.The delayed contact of a time relay disconnects back (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 once more, finishes heater plug preheating cool cycles thus 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 the utility model circuit principle structure figure.
Reference numeral is represented 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 the technical solution of the utility model is described further (referring to accompanying drawing).
Need to prove that present embodiment is narrative, is not determinate, does not limit protection domain of the present utility model with this.
Automobile-used heater plug performance test automatic test controller, 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 a 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 two Displaying Meter B1, B2 respectively.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 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 respectively.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.
Total system is by 220V/50HZ power supply power supply, after system's energising, and when closed power 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 by first group of normally closed contact of No. two auxiliary reclay J2, the coil of a time relay sj 1 gets 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, No. two auxiliary reclay J2 get electric back 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 back 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 utility model 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 guarantee 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. automobile-used heater plug performance test automatic test controller, have direct supply, A.C. contactor, auxiliary reclay, the time relay, counting relay, power switch, transmitter and Displaying Meter, an end that it is characterized in that first power switch (SA1) is connected with AC power, and the other end is connected in first group of normally opened contact of a 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 of control heater plug work, 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 current/voltage transmitter (BSQ), the output terminal of transmitter (BSQ) is connected to two Displaying Meters (B1, B2) respectively, and a time relay (SJ1) time-delay break contact one is terminated at No. two auxiliary reclays (SJ2) coil; A time relay (SJ1) the time-delay break contact other end is connected to the time closing contact of a time relay (SJ1) coil, second group of normally opened contact of No. two relays (J2) and No. two time relays (SJ2) respectively.
2. according to claims 1 described automobile-used heater plug performance test automatic test controller, 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 |
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CN2011200288468U CN201993235U (en) | 2011-01-27 | 2011-01-27 | Automatic detection controller for automobile glow plug performance test |
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CN2011200288468U CN201993235U (en) | 2011-01-27 | 2011-01-27 | Automatic detection controller for automobile glow plug performance test |
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CN2011200288468U Expired - Lifetime CN201993235U (en) | 2011-01-27 | 2011-01-27 | Automatic detection controller for automobile glow plug performance test |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102175458A (en) * | 2011-01-27 | 2011-09-07 | 东风朝阳柴油机有限责任公司 | Automatic detection controller for testing performance of heater plug of automobile |
CN102411318A (en) * | 2011-11-17 | 2012-04-11 | 东风朝阳柴油机有限责任公司 | Device for automatically testing and controlling electromagnetic fan clutch for vehicle |
CN107101831A (en) * | 2017-05-16 | 2017-08-29 | 上海泛智能源装备有限公司 | Pilot combustion channel, combustion test control method and device for combustion gas turbine |
CN108536192A (en) * | 2018-03-07 | 2018-09-14 | 潍柴动力股份有限公司 | A kind of heater test control device and control method |
-
2011
- 2011-01-27 CN CN2011200288468U patent/CN201993235U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102175458A (en) * | 2011-01-27 | 2011-09-07 | 东风朝阳柴油机有限责任公司 | Automatic detection controller for testing performance of heater plug of automobile |
CN102411318A (en) * | 2011-11-17 | 2012-04-11 | 东风朝阳柴油机有限责任公司 | Device for automatically testing and controlling electromagnetic fan clutch for vehicle |
CN102411318B (en) * | 2011-11-17 | 2013-08-21 | 东风朝阳柴油机有限责任公司 | Device for automatically testing and controlling electromagnetic fan clutch for vehicle |
CN107101831A (en) * | 2017-05-16 | 2017-08-29 | 上海泛智能源装备有限公司 | Pilot combustion channel, combustion test control method and device for combustion gas turbine |
CN107101831B (en) * | 2017-05-16 | 2023-06-20 | 新奥能源动力科技(上海)有限公司 | Combustion test stand for gas turbine, combustion test control method and device |
CN108536192A (en) * | 2018-03-07 | 2018-09-14 | 潍柴动力股份有限公司 | A kind of heater test control device and control method |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20110928 Effective date of abandoning: 20130327 |
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RGAV | Abandon patent right to avoid regrant |