CN1041490A - Full automatic fast generator of diesel engine starting by electricity - Google Patents
Full automatic fast generator of diesel engine starting by electricity Download PDFInfo
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- CN1041490A CN1041490A CN 89103744 CN89103744A CN1041490A CN 1041490 A CN1041490 A CN 1041490A CN 89103744 CN89103744 CN 89103744 CN 89103744 A CN89103744 A CN 89103744A CN 1041490 A CN1041490 A CN 1041490A
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Abstract
The invention discloses that a kind of electricity starting diesel engine unit is full-automatic, unattended operation, send out electric supply installation fast.After city's power supply interrupted, this device is can be fast quick, and the starting unit was fully loaded in 3～4 seconds hauling oneself willingly into power supply and changeing for civil power, and can adapt in good time heavy load impacts such as " impacts, dash forward and unload ".When if complex situations such as " stop suddenly, send suddenly, stop suddenly " take place because of faults such as thunders and lightnings in city's power supply; this device all can properly be monitored unit strain start or change fast for being connected behind the civil power and shut down, and remains at the emergency power supply that high-quality was provided to electricity consumption department in 3～4 seconds.The present invention adapts to the various middle-size and small-size electricity starting diesel generating sets of supporting repacking.
Description
The present invention relates to the full-automatic, " 3+ of a kind of electricity starting diesel generating set
1Second " send out electric supply installation fast, be applicable to that defense sector, airport, harbour, inflammable warehouse, post and telecommunications, communication, hospital, hotel and physical culture place etc. guarantee to use electric unit, as quick emergency guarantee power supply.
At present, domestic and international electricity starting diesel generating set below 1000 kilowatts, as homemade LDZ-2, SZD-10 series unit, trade mark units such as external american commings, Britain's Rolls Royce, Mitsubishi, from unit practicalities such as specification and each department, south China Chinese-foreign joint venture, verify, the fastest generating speed is 8～13 seconds, but the actual stable state time is mostly more than 10 seconds.Above-mentioned engine block separately, main monitor control mechanism is to adopt computer and integrated circuit, its major defect: the one, involve great expense, the 2nd, be difficult for mainteinance repair, replacement parts difficulty, the 3rd, present abnormalities such as " stop suddenly, send suddenly, stop suddenly " because of accidents such as thunderbolts when city's power supply, or take place during unit full-load run under the complex situations such as more frequent " impacts, dash forward and unload ", problems such as the constant parameter mutation is out of control often take place.Therefore still the end can widely be used.
Task of the present invention is to design a kind of new having, and the power-on time of sending out is rapid, management and maintenance and economical and practical full automatic fast generator of diesel engine starting by electricity are stablized, are easy to the monitoring sensitivity.
Task of the present invention realizes that by following design accompanying drawing has provided embodiments of the invention.With reference to accompanying drawing, the present invention is grouped into by diesel generating set part and electric control part, wherein diesel generating set part is made up of diesel engine and generator, and automatically controlled part is made up of continue guarantor and sound light alarming circuit of city's power supply signal supervisory circuit, set speed adjustment voltage regulator control circuit, automatic control.It is characterized in that unit electricity start control circuit and compressor emergency shutdown control circuit by starting of robot brain group and shutdown; By the city's power supply divide-shut brake control circuit and the unit power supply divide-shut brake control circuit of automatic control civil power and unit power supply divide-shut brake, the Qiang Lijian that is made up of " triple-frequency harmonics " presses and constant-voltage control circuit.
Advantage of the present invention: the one, energy is safe, stable, power supply is sent out in automatic control apace, guarantees to provide in less than 3～4 second time limit the emergency guarantee power supply of high-quality all the time.Be used to ensure airport runway at night navigation light, can prevent because of causing serious accident after the civil power outage; Be used for inflammable warehouse oil depot, what ensure the fire-fighting power equipment when preventing because of civil power outage back " sudden fire " comes into operation avoidable loss and casualties.Therefore the present invention has remarkable social benefit and economic benefit to various emergence powers place.The 2nd, after city's power supply restores electricity; can monitor conversion city's power supply in good time automatically and be connected and shut down; take place under unusual " stop suddenly, send suddenly, stop suddenly " complex environments such as (civil power secondary unsuccessful reclosings) at city's power supply; can guarantee that still each emphasis obtains the high-quality emergency power supply with electric unit in less than 3～4 seconds; be implemented under the unattended operation environment, full-automatic safely and reliably the linking, sent out power supply.The 3rd, when unit is sent out powered operation,, all be equipped with sound and light alarm marking signals such as necessary sensing protective device and the shutdown of accident automatic control accurately to various contingent harmfulness faults.Therefore can limit the destruction and the diffusion of harmfulness accident, guarantee to send out each main equipment safety of power supply and come into operation.The 4th, in unit rated power scope, can adapt to from zero load to fully loaded more frequent load impacts such as " impact, prominent unloading ".And can monitor and keep cycle, voltage mutation value to be not more than positive and negative 5% automatically; Be not more than positive and negative 2.5% when being fully loaded with stable state.The 5th, can need by the user, design repacking unit has full-automatic 3+
1Seconds quick, full-automatic 3～20 seconds optional speed, every protecting multifunction combined conversion control devices such as formula remote control and emergency manual control.The 6th, when city's power supply normal power supply, can carry out every automatic program control analogue test safely, whether the automatic control function and the sound and light alarm that detect the whole principal organ of Blast Furnace Top Gas Recovery Turbine Unit (TRT) in advance be good.The 7th, whole famous-brand and high-quality parts of selected homemade typing of this device and visible are patrolled and are seized contact composition supervisory circuit, are convenient to order on the spot parts and management and maintenance.The 8th, apparatus of the present invention cost is lower, has economical and practical characteristics, and user's ability of can suing for peace is as required used on a selective basis, makes it penetration and promotion.
Concrete structure of the present invention is by the annexed drawings set forth of following examples:
Fig. 1 is a supervisory control system block diagram of the present invention;
Fig. 2 is civil power of the present invention and two kinds of program control interlocking sub-switch circuits of different electrical power of unit figure;
Fig. 3 is direct current system supervisory circuit figure of the present invention;
Fig. 4 is strain monitoring starting of the present invention and changes electric halt circuit figure;
Fig. 5 is the insurance system sound and light alarm signal circuit diagram that continues of the present invention;
Fig. 6 is speed regulating device of the present invention and cooling channel equipment programme control circut figure;
Fig. 7 is that full-automatic unit of the present invention " triple-frequency harmonics " Qiang Lijian presses and select constant voltage value programme control circut figure.
Below in conjunction with accompanying drawing, the present invention is described in detail.
Unit electricity start control circuit of the present invention and compressor emergency shutdown control circuit have:
1,, forms starting and three self-loopa start control circuits automatically by time relay sj 1-1～3, SJ2-1～2 and intermediate relay ZJ 4-1～3, ZJ6-1～3, ZJ7-1～3, ZJ8-1～8 contacts.
2, form the fast quick strain starting of instruction unit and haul oneself willingly into power supply circuits by intermediate relay ZJ 1-2～3, ZJ3-4～5, ZJ3-8, ZJ6-4, ZJ14-3, ZJ15-1 contact and voltage relay YJ1, engine oil pressure sensitive switch XJ2 contact and a motor magnet QDF.
3, form unit orderly closedown circuit by shutting down electromagnet TDF and time relay sj 4-2～3, intermediate relay ZJ 1-8, ZJ9-1, ZJ9-2～3, ZJ9-4, ZJ10-4～8 contacts.
City of the present invention power supply divide-shut brake control circuit and unit power supply divide-shut brake control circuit have:
1, forms instantaneous quick releasing startup of unit power supply and city's power supply linking contacting controling circuit by time relay sj 4-1, intermediate relay ZJ 1-4, ZJ5-1～2, ZJ5-3, ZJ5-4～5 and A.C. contactor JC1-7 contact.
2, form time-delay monitoring unit power supply back separating brake and city's power supply contacting controling circuit by time relay sj 3-2 and intermediate relay ZJ 1-7, ZJ1-5 contact.
The Qiang Lijian that is made up of " triple-frequency harmonics " of the present invention presses, constant voltage circuit has:
1, shunting switch QK, the diode D21～D24 that can select the constant voltage value by low-loss " self coupling is tapped " voltage regulator B and positive and negative 5% forms single-phase full wave rectification excitation constant-voltage control circuit.
2, form to encourage by force fast to build to press or magnetize to build by engine oil pressure sensitive switch XJ1, intermediate relay ZJ 2-1～4, ZJ2-5～8, ZJ6-5, ZJ6-6～8 contacts and diode D20 and press and change over to automatically constant-voltage control circuit.
Operation principle of the present invention, operation sequence and monitoring relation are as follows:
1, preparation:
Civil power and unit main power air switch ZK1, the ZK2 of Fig. 2 close a floodgate in elder generation according to the order of sequence, press city power supply A.C. contactor switch knob AN1-1～2 to the load line powering, thereafter closed a floodgate in the DC power supply switch HK1-1 of Fig. 3～4 closed respectively following each way switch: 1, the 45 ° of high gear in left side are pointed in Fig. 2,3, multi-functional selector switch HK2-1～3 of 6; 2, Fig. 3,4 test combinations switch HK3-1～4 are pointed in the middle of 0 ° of gear; 3, with the switch closures such as K4, K5 of K3, Fig. 5 of K1, the K2 of DK1～6 of Fig. 6 and Fig. 1, Fig. 3; 4, unit must correspondingly be carried out preparations such as preceding oil plant of start and cooling water source.If user's machine room is in north cold area, when low temperature seasons such as spring autumn and winter, machine room should be taked suitably to be incubated measure, guarantees the oily machine organism temperature of automatic unit 〉=10 ℃, and the outdoor heat radiation cool cycles water source of oil machine should attach antifreezing agent during subzero season.
2, the power supply monitoring process of generating electricity fast:
After above-listed every preparation routine was finished, when city's power supply had a power failure, Fig. 2, JC1-1～6 and each major-minor contact dead electricity of ZJ1-1～8 of 3 resetted, and DC24V " ten utmost points " electric current of Fig. 3 upper end is connected following each supervisory circuit:
(1) JC1-6 and the K3 on Fig. 3, the power-cut emergency lighting lamp XD9 Ying Liang of monitoring cabinet upper end at this moment.
(2) after contacts such as HK2-2, the JC2-6 of Fig. 3, ZJ1-2～3, ZJ10-1～2, ZJ9-2～3, ZJ5-7～8, ZJ7-2～3 reset closure, SJ1, SJ2 are got, SJ1-1, SJ2-1 quick-action normally opened contact closure are awaited orders, and (setting value is 0.8KG/CM to the normally closed point of engine oil pressure sensitive switch XJ2 of " ten utmost points " electric current through Fig. 4 upper end
2) and the loop that SJ2-1, ZJ6-3, HK3-3, ZJ3-3 constituted of Fig. 3 lower end, it is electric that ZJ8 is got, and startup of unit electromagnet QDF are connected in ZJ8-1～8 of Fig. 4 upper end, the starting of interlock control direct current string pole type motor input, diesel engine is in the large throttle accelerated service.
(3) SJ1-2 at Fig. 3 middle part time-delay sliding contact slided after 1.5 seconds and connects ZJ6 and get electric self-locking, and each contact of ZJ6 enters work, and this moment, ZJ6-3 cut off the ZJ8 dead electricity and QDF cuts off the power supply, the actuating motor stall that resets.When diesel engine speed rises greater than 2/3 rated speed parameter, utilize 1 of " triple-frequency harmonics " winding Q that idle magnetic field produces in the electricity generator stator core, 2 ends will present to be built pressure and boosts fast, Qiang Lijian through the autocoupling type tap voltage regulator B of Fig. 7 bottom presses winding 1,3 ends connect D21～D24 through ZJ6-5 again and constitute single-phase full-wave rectifer circuit (apparatus of the present invention can be fit to monitor the generator of other constant-pressure structures), this moment alternator frame F2 A2, B2, the C2 three-phase voltage is with fast rise, (oily machine rotating speed is greater than 90% when voltage rises to 340V, for utilizing the time difference of program control instruction, YJ1 contact action setting value should be decided to be 340V), because the ZJ6-4 of Fig. 2 lower end connects voltage relay YJ1 in advance, the YJ1 contact of Fig. 3 upper end promptly instructs ZJ3 to get electric self-locking, the ZJ3-3 joint control ground of Fig. 3 lower end cuts off SJ1, ZJ8 and ZJ6, dead electricity such as ZJ7 reset, the ZJ3-5 of Fig. 2 lower end connects YJ1 because of parallel connection in advance simultaneously, still can keep the YJ1 instruction works stable when the ZJ6-4 dead electricity is resetted.This moment, Fig. 7 lower end field circuit resetted because of each contact dead electricity of ZJ6-5～8, the cut-out of joint control is immediately encouraged by force and is built the voltage rise pressure and change automatic constant-pressure circuit (because of the idle magnetic field of motor changes synchronously with payload, " triple-frequency harmonics " rectification excitation circuit energy reliable guarantee generator constant voltage of this device being required) over to.Because the set speed adjustment accelerator device can keep good specified constant speed state with load variations, so get electric combined floodgate through the ZJ3-4 and the ZJ15-1 connection unit power main switch JC2 of Fig. 2 lower end; The cut-out JC1 city power supply combined floodgate circuit of JC2-5 interlocking; The JC2-6 of Fig. 3 upper end cuts off each direct current instruction starting circuit; The ZJ3-8 of Fig. 6 upper end connects ZJ15; A.C. contactor JC3 and JC4 are connected in ZJ15-2～3, make water pump, cooling tower and machine room advance exhaust blower YD1～YD4 and haul oneself willingly into operation, so far send out the program control instruction of power supply fast and are all over.By different machine unit characteristics and different room temperature environments, its speed is slightly had any different, and needs overall timing all to be not more than 3～4 seconds but automatically send out power supply station.
3, change automatically for civil power and shutdown monitor procedure:
After the city power recovery power supply, the intermediate relay ZJ 1 of city's power supply signal monitoring electric, each is normally closed, often drive auxiliary contact devotes oneself to work synchronously, by the following instruction of program control expansion:
(1) ZJ1-1 at Fig. 2 middle part disconnects, make auxiliary relay step-down current-limiting resistance R1 and the series operation of ZJ1 coil, do not influencing under the lasting adhesive function of the ZJ1 winding situation, can significantly reduce coil loss and temperature rise, help long-time competent charged monitoring operation (for improving the main circuit unfailing performance, this device can adopt the A.C. contactor parallel running or the corresponding automatic air-break switch of two same models, as control more powerful city power supply and unit power supply close/open machine).
(2) ZJ1-2～3 in left side, Fig. 3 middle part cut off starting unit circuit.
(3) ZJ1-7 of Fig. 4 upper end connects SJ3 work, the SJ3-2 delayed contact in left side, Fig. 4 lower end closed after 5 seconds (0～9 second fixed), the ZJ1-5 at Fig. 3 middle part connects ZJ5, this moment, the ZJ5-1～2 cut-out JC2 dead electricity of Fig. 2 lower end made unit power supply separating brake, the ZJ5-3 joint control is connected JC1 and is closed a floodgate, and city's power supply is connected to the power supply of load line transfer.
(4) after JC1 closes a floodgate successfully, ZJ10 is connected in the JC1-7 on the left of Fig. 4 upper end and closed in advance ZJ5-4～5, and compressor emergency shutdown electromagnet TDF are connected in ZJ10-4～8 at this moment, close Throttle Opening Control unit reduction of speed by magnetic force quick-action connecting rod and shut down.
(5) after ZJ10-1～2 of Fig. 3 lower-left end disconnect synchronously, but joint control stop instruction starting circuits such as SJ1, ZJ6, SJ2, ZJ8.The ZJ10-3 at Fig. 4 middle part connects SJ4, ZJ1-8 and is connected ZJ10 through SJ4-2 quick-action contact in advance and gets electricly, can prevent to cause after resetting and shut down situation out of control because of ZJ5-4～5 contacts discharge.
(6) the ZJ9 self-locking is connected in the SJ4-3 contact at Fig. 4 middle part after delaying time 9 seconds, and this moment, ZJ9-2～3 cut off starting circuits, ZJ9-4 turned off in synchronization ZJ10, and ZJ10-4～8 cut off TDF and make unit accelerator oil rest (general shut down finish need 5～7 seconds).The ZJ10-3 at Fig. 4 middle part resets and cuts off SJ4; SJ4-2 quick-action break of contact ZJ9; ZJ9-5～6 at Fig. 6 middle part also cut off JC3, the JC4 of cooling system simultaneously, so far change automatically for city's power supply and unit linking reduction of speed and shut down whole program control end, and unit is in the emergent power supply state of sending out of awaiting orders once more.
4, at city's power supply because of outage such as thunderbolt, bird pest back instruction secondary high-speed reclosure, or when failing complex situations such as causing " stop suddenly, send suddenly, stop suddenly " once again because of the short trouble reclosing, this device all can a updated strain monitoring power supply process:
After the outage of city's power supply; unit is immediately by stating program control starting start; if city's power supply is not sent a telegram here again before unit is hauled oneself willingly into power supply as yet fast; this moment, the ZJ1-4 at Fig. 3 middle part connected ZJ5; the ZJ5-1 of Fig. 2 bottom～2, ZJ5-3 interlock fast and connect JC1 and get electric instruction city power supply and close a floodgate; ZJ5-7～8 of Fig. 3 lower-left side cut off starting circuit simultaneously, and program control reduction of speed halt circuits (summary) such as ZJ10 are connected in ZJ5-4～5 of Fig. 4 upper end.If unit city's power supply in the beginning reduction of speed is shut down interrupts again once again, (this device setting value of pressure is not 0.8KG to closure to the normally-closed contact of the engine oil pressure sensitive switch XJ2 of Fig. 4 upper left side if reset.Static instantaneous according to test when shutting down; oil machine machine oil loine pressure drops to about 0.8KG approximately; thereafter gently reduce to null value); because this moment, oily machine still was in certain rotating speed; therefore the ZJ8 of Fig. 3 bottom instruction starting is with controlled dead electricity; can avoid re-lighting and travelling gear impaired; while Fig. 3; the ZJ1-4 at 4 middle parts; ZJ1-8 is because of losing the disconnection that resets of city's power supply; the cut-out ZJ5 of joint control; mechanism's dead electricity that ZJ10 and TDF etc. close throttle resets; make unit change into the running of large throttle speedup; unit will be crossed over starting and build two stages of pressure at this moment; thereby more fast quick shortening is hauled oneself willingly into power-on time (if the high rotating speed in the firm place of unit this moment is shut down moment; be connected and haul oneself willingly into power supply and only need 2～3 seconds), therefore can guarantee reliably this device all the time in≤3～4 second time limit linking emergent quality power is provided.
5, harmfulness error protection and sound light alarming circuit control procedure:
(1) if because the diesel engines bad error; though all fail or the starting operation of diesel engine energy through three startings of self-loopa; but in the time of can not building the voltage rise pressure because of the excitation circuit fault, then unit is after time-delay monitoring in 20 seconds, and automatic command is shut down the concurrent cursor will of speaking and reported to the police.Its program control process is as follows:
(a) after the civil power outage, the SJ1 of Fig. 3 lower end, SJ2 get electric, connect ZJ8, the running of ZJ6 joint control starting diesel engine respectively.When first start or when failure of boosting, the ZJ-7 self-locking was connected in SJ1-3 timing closing contact after 8 seconds, and ZJ7-2～3 cut off SJ1, and the SJ1-1 dead electricity resets and cuts off ZJ6, and ZJ6-3 resets and connects ZJ8 once more and start diesel engine, and be 16.5 seconds three self-loopa starting time limits.If it is out of control all to fail or boost; then delay time after 20 seconds; the SJ2-2 timing closing contacting ZJ4 self-locking at Fig. 3 middle part; enter Fig. 4 lower end through ZJ3-6, D1 and connect ZJ10 this moment; the TDF instruction stop is connected in ZJ10-4～8 of Fig. 4 upper end, and ZJ10-3 connects SJ4, the SJ4-3 closing of contact after 9 seconds of delaying time; connect ZJ9 and get electric self-locking, joint control discharges TDF and finishes to shut down.
(b) when instruction stop; the ZJ4 at Fig. 3 middle part is owing to continue to keep self-locking to get; D7, D15 through ZJ3-6 and Fig. 5 middle part connects electric whistle DD and XD12 nature of occurence identification light gets; send " starting or the failure shutdown of boosting " sound and light alarm signal (disjunction K5 can stop to ring electric whistle); this moment should be with DC power supply switch HK1-1～4 separating brakes; or after pressing AN3 reset button cut-out ZJ4 dead electricity after fixing a breakdown; could eliminate the sound and light alarm signal, to avoid taking place to instruct once more bad phenomenon such as unit circulation starting.
(c) if diesel engine starting and speedup success, but fail excitation because of generator disappearance residual magnetism and build pressure, the engine oil pressure sensitive switch XJ1 normally opened contact of Fig. 3 upper end is when engine oil pressure closure (suitable unit has reached 80～90% rated speeds) during greater than 1.2KG, automatically connect ZJ2 and get electric work, ZJ2-1～8 of Fig. 7 upper end are through D20 at this moment, R2 magnetizes to alternating current generator group rotor F1 and builds pressure, if excitation is built and is pressed into merit, behind electric moter voltage rising 340V, the voltage relay YJ1 contacting ZJ3 of Fig. 3 upper end gets, ZJ3-2 is connected the charge circuit that cuts off ZJ2-1～8 controls, and has stated the process instruction unit by the front and hauled oneself willingly into the interlocking power supply.If above-mentioned magnetizing built pressure failure (voltage that normally magnetizes can not reach YJ1 operating value 340V less than 300V), the SJ2-2 delay monitoring in the middle part of Fig. 3 is after 20 seconds, and the joint control instruction stop is reported to the police.
(2) if because unit throttle hypervelocity out of control or build pressure, constant voltage circuit is out of control causes when voltage is higher than 450V; the YJ2 normally opened contact closure at Fig. 4 middle part; connecting the ZJ11 self-locking gets; and connect ZJ10 etc. synchronously and shut down programme control circut, the ZJ11-3 of Fig. 5 lower end connects D19, XD16 " high voltage shutdown " sound light alarming circuit simultaneously.
(3) if in the unit operation since cycle cooling systems such as water pump, cooling tower break down; and cause the dangerous superelevation to 80 of diesel engines water temperature～90 ℃ of warning values (adjusting) by machine unit characteristic; this moment, the closed connection of the water temperature sensitive switch XJ3 normally opened contact ZJ12 self-locking of Fig. 4 lower end got; and connect the ZJ12-3 that ZJ10 etc. shuts down programme control circut and Fig. 5 lower end synchronously, connect D18, XD15 " high water temperature shutdown " warning circuit.
(4) if in the unit operation because faults such as not smooth take place to be stopped up by the lubricating oil system; when making engine oil pressure drop to dangerous warning value 0.8KG (will cause the rolling bearing wearing and tearing or burn); this moment, the engine oil pressure sensitive switch XJ2 normally-closed contact of Fig. 4 upper end resetted decompression; connecting SJ3 through JC2-7 gets; the SJ3-2 of Fig. 4 lower end (0～9 second fixed) after 5 seconds connects the ZJ13 self-locking; and connect ZJ10 etc. synchronously and shut down programme control circut, the ZJ13-3 at Fig. 5 middle part connects D17, XD14 " engine oil pressure is low shuts down " warning circuit.
(5) if after the startup of unit speedup, the success of boosting, the failure because the JC2 of unit power switchover power supply closes a floodgate, this character does not belong to harm unit fault.Therefore after the YJ1 action connection ZJ3 at Fig. 3 middle part got electric self-locking, the ZJ3-6 early cut-off kept unit no-load running through the instruction stop programme control circut of D1.The SJ2-2 at Fig. 3 middle part connected the ZJ4 self-locking after 20 seconds simultaneously, and the ZJ4-2 of Fig. 3 lower end～3 linkings are cut off the SJ2 dead electricity and resetted, and the ZJ3-7 at Fig. 5 middle part connects D16, XD13 " unit closes a floodgate and fails " warning circuit.The maintainer can meet an urgent need and press the unit power supply and close a floodgate and to send Electricity Federation lock button AN2-1～2 this moment, or maintenance fuse RD11 mitigation strategy such as whether open a way.
(6) if civil power incoming call in the unit operation, at this moment the city signal of telecommunication ZJ1-7 of Fig. 4 upper end immediately connects SJ3 and gets electricly, and monitoring in 5 seconds through delaying time changes for the failure of city's power supply, and this character does not belong to harm unit fault.Though therefore ZJ5-4～5 contacts of Fig. 4 upper end are closed; but, JC1-7 make joint control shut down inefficacy because of failing to connect; city signal of telecommunication ZJ1-2～3 at while Fig. 3 middle part are command shutdown circuits such as early cut-off SJ2-2～2, ZJ3-6, D1, ZJ10, so unit still can keep no-load running.Because the SJ3-1 quick-action normally opened contact of Fig. 5 upper end is in closure, connect D14, XD11 " failure of conversion civil power " warning circuit through K4, the prompting maintainer can meet an urgent need and press the city power supply and close a floodgate and change Electricity Federation lock button AN1-1～2, or maintenance fuse RD10 mitigation countermeasure such as whether open a way.
6, when the civil power normal power supply, can carry out automatic program control analogue test at any time.Whether fast quick good for ease of each instruction unit of checkout safely, after the power supply of city's power supply input load, can operate the discriminating of itemizing of HK3 test combinations switch:
(1) start control circuit test: Fig. 2,3,6 the multi-functional selector switch of HK2 are pointed to 45 ° in the left side gears of " sending out power supply fast ", again Fig. 3,4 HK3 test combinations switch are pointed to 45 ° of " self-loopa starting " gears in left side, synchronously disconnect ZJ8 and QDF starting component because of HK3-3～4 this moment, so each relay of starting circuit can be safely directly perceived gets the program control operating state (summary) after electric, also can be in conjunction with the indicated value of observation DC ammeter load variations discriminatory analysis in addition.
(2) change city's power supply and linking engine cut off test automatically: HK3 is pointed to 45 ° on right side " changeing civil power shuts down " gear by said procedure; be in "on" position because of city's power supply this moment; can only observe relays such as SJ3, ZJ5, ZJ10 whether electronic work (summary); delaying time, ZJ10, SJ4 answer dead electricity to reset after 9 seconds; 0 ° of gear in the middle part of turn HK3 resets; XD9, SJ3, ZJ5, ZJ9 etc. answer dead electricity to restore, if working procedure is normal, monitoring conversion city's power supply is described and is connected halt circuit accurately and reliably.
(3) continue and protect the test of sound and light alarm signal: press Fig. 5 upper end A N4-1～2 test buttons, the various signal marking lamps in XD11～16 this moment should be bright entirely, the DD motor siren is answered toot sound, disconnecting K5 should stop to ring, stop by AN4-1～2 buttons, all dead electricity is restored, if reaction is normal, illustrates that circuit and assembly are good.
The main components explanation
The main components explanation
The main components explanation
Claims (4)
1, a kind of full automatic fast generator of diesel engine starting by electricity, be grouped into by diesel generating set part and electric control part, wherein the diesel generating set part is made up of diesel engine and generator, automatically controlled part is continued by city's power supply signal supervisory circuit, set speed adjustment voltage regulator control circuit, automatic control and protects and sound light alarming circuit is formed, and it is characterized in that:
(1) by electric start control circuit of the unit of starting of robot brain group and shutdown and compressor emergency shutdown control circuit;
(2) by the city's power supply divide-shut brake control circuit and the unit power supply divide-shut brake control circuit of automatic control civil power and unit power supply divide-shut brake;
(3) Qiang Lijian pressure, the constant voltage circuit of forming by " triple-frequency harmonics ".
2, the full-automatic electric supply installation of sending out fast according to claim 1 is characterized in that described unit electricity start control circuit and compressor emergency shutdown control circuit have:
(1) forms starting and self-loopa start control circuit automatically by time relay sj 1-1～3, SJ2-1～2 and intermediate relay ZJ 4-1～3, ZJ6-1～3, ZJ7-1～3, ZJ8-1～8 contacts;
(2) form the fast quick strain starting of instruction unit and haul oneself willingly into power supply circuits by intermediate relay ZJ 1-2～3, ZJ3-4～5, ZJ3-8, ZJ6-4, ZJ14-3, ZJ15-1 contact and voltage relay YJ1, engine oil pressure sensitive switch XJ2 contact and a motor magnet QDF;
(3) by shutting down electromagnet TDF.Unit orderly closedown circuit is formed in time relay sj 4-2～3, intermediate relay ZJ 1-8, ZJ9-1, ZJ9-2～3, ZJ9-4, ZJ10-4～8 contacts.
3, the full-automatic electric supply installation of sending out fast according to claim 1 is characterized in that described city power supply divide-shut brake control circuit and unit power supply divide-shut brake control circuit have:
(1) forms instantaneous quick releasing startup of unit power supply and city's power supply linking contacting controling circuit by the contact of time relay sj 4-1, intermediate relay ZJ 1-4, ZJ5-1～2, ZJ5-3, ZJ5-4～5 and A.C. contactor JC1-7;
(2) form by time relay sj 3-2, intermediate relay ZJ 1-7, ZJ1-5 contact.Time-delay monitoring unit power supply back separating brake and city's power supply contacting controling circuit.
4, the full-automatic electric supply installation of sending out fast according to claim 1 is characterized in that the described Qiang Lijian that is made up of " triple-frequency harmonics " presses, constant voltage circuit has:
(1) shunting switch QK, the diode D21～D24 that can select the constant voltage value by low-loss " self coupling is tapped " voltage regulator B and positive and negative 5% forms single-phase full wave rectification excitation constant-voltage control circuit;
(2) form to encourage by force fast to build to press or magnetize to build by engine oil pressure sensitive switch XJ1, intermediate relay ZJ 2-1～4, ZJ2-5～8, ZJ6-5, ZJ6-6～8 contacts and diode D20 and press and change over to automatically constant-voltage control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89103744 CN1011371B (en) | 1989-06-08 | 1989-06-08 | Full automatic fast generator of diesel engine starting by electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89103744 CN1011371B (en) | 1989-06-08 | 1989-06-08 | Full automatic fast generator of diesel engine starting by electricity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1041490A true CN1041490A (en) | 1990-04-18 |
| CN1011371B CN1011371B (en) | 1991-01-23 |
Family
ID=4855260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89103744 Expired CN1011371B (en) | 1989-06-08 | 1989-06-08 | Full automatic fast generator of diesel engine starting by electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1011371B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701553A (en) * | 2009-11-20 | 2010-05-05 | 盐城贝斯特动力机有限公司 | Full automatic controller of diesel generating set and control method |
| CN102235235A (en) * | 2010-04-20 | 2011-11-09 | 上海恒锦动力科技有限公司 | Miniature integrated generator set and power supply control method |
| CN102287277A (en) * | 2011-04-19 | 2011-12-21 | 东南大学 | Intelligent independent control method for unattended platform generator set in low-temperature and low-pressure environment |
| CN106067695A (en) * | 2015-04-23 | 2016-11-02 | 通用电气能源能量变换技术有限公司 | Power distribution system |
-
1989
- 1989-06-08 CN CN 89103744 patent/CN1011371B/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701553A (en) * | 2009-11-20 | 2010-05-05 | 盐城贝斯特动力机有限公司 | Full automatic controller of diesel generating set and control method |
| CN102235235A (en) * | 2010-04-20 | 2011-11-09 | 上海恒锦动力科技有限公司 | Miniature integrated generator set and power supply control method |
| CN102235235B (en) * | 2010-04-20 | 2013-11-13 | 上海恒锦动力科技有限公司 | Miniature integrated generator set and power supply control method |
| CN102287277A (en) * | 2011-04-19 | 2011-12-21 | 东南大学 | Intelligent independent control method for unattended platform generator set in low-temperature and low-pressure environment |
| CN102287277B (en) * | 2011-04-19 | 2013-04-03 | 东南大学 | Intelligent independent control method for unattended platform generator set in low-temperature and low-pressure environment |
| CN106067695A (en) * | 2015-04-23 | 2016-11-02 | 通用电气能源能量变换技术有限公司 | Power distribution system |
| CN106067695B (en) * | 2015-04-23 | 2022-03-01 | 通用电气能源能量变换技术有限公司 | Power distribution system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1011371B (en) | 1991-01-23 |
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