在微機(jī)控制點(diǎn)火系統(tǒng)中，目前出現(xiàn)了一種無分電器點(diǎn)火(DLI)系統(tǒng)，它取消了普通微機(jī)控制點(diǎn)火系統(tǒng)中的分電器，改由ECU內(nèi)部控制各缸配電。這樣點(diǎn)火線圈產(chǎn)生的高壓電，不需經(jīng)過分電器分配，直接就送至火花塞發(fā)生點(diǎn)火。無分電器點(diǎn)火系統(tǒng)可消除分火頭與分電器蓋邊電極的火花放電現(xiàn)象，減少電磁干擾。無分電器點(diǎn)火系統(tǒng)根據(jù)點(diǎn)火順序的不同，有兩缸同時(shí)點(diǎn)火和各缸獨(dú)立點(diǎn)火兩種。在兩缸同時(shí)點(diǎn)火方式中，每兩缸一組，合用一個(gè)點(diǎn)火線圈，所有缸體分成若干組按組依次進(jìn)行點(diǎn)火;在各缸獨(dú)立點(diǎn)火方式中，每缸的火花塞都設(shè)有單獨(dú)的點(diǎn)火線圈(特別是隨著超小型塑料包裝的點(diǎn)火線圈的出現(xiàn)，使之與火花塞合為一體)，這樣各缸可依次輪流點(diǎn)火。

廈門岳航計(jì)算機(jī)工程有限公司

聯(lián)系人：李素云

企業(yè)QQ：2851195446，2851195466

手機(jī)：18965423501

座機(jī)：0592-5165501

在發(fā)動(dòng)機(jī)的點(diǎn)火控制中，同樣采用了開環(huán)和閉環(huán)相結(jié)合的控制形式。起動(dòng)階段的點(diǎn)火時(shí)刻由ECU中的專門信號進(jìn)行開環(huán)控制;正常運(yùn)行期間，則通過增設(shè)爆震傳感器進(jìn)行爆震反饋控制，根據(jù)爆震傳感器的反饋信號調(diào)整點(diǎn)火時(shí)刻使發(fā)動(dòng)機(jī)在臨界爆震狀態(tài)。

(三)怠速控制(ISC)系統(tǒng)

怠速性能的好壞是評價(jià)發(fā)動(dòng)機(jī)性能優(yōu)越與否的重要指標(biāo)，怠速性能差將導(dǎo)致油耗增加，排污嚴(yán)重，因此，需進(jìn)行必要的控制?，F(xiàn)代轎車中一般都設(shè)有怠速控制系統(tǒng)，由ECU控制并維持發(fā)動(dòng)機(jī)怠速在某一穩(wěn)定轉(zhuǎn)速范圍內(nèi)。因此，怠速控制通常是指怠速轉(zhuǎn)速控制，其實(shí)質(zhì)就是對怠速工況時(shí)的進(jìn)氣量進(jìn)行調(diào)節(jié)(同時(shí)配合噴油量及點(diǎn)火提前角的控制)。怠速控制的基本原理是ECU根據(jù)冷卻水溫、空調(diào)負(fù)荷、空檔信號等計(jì)算目標(biāo)轉(zhuǎn)速，并與實(shí)際轉(zhuǎn)速相比較，同時(shí)檢測節(jié)氣門全關(guān)信號及車速信號，判斷是否處于怠速狀態(tài)，確認(rèn)后則按目標(biāo)轉(zhuǎn)速與實(shí)際轉(zhuǎn)速之間的差值來驅(qū)動(dòng)執(zhí)行器調(diào)整控制進(jìn)氣量。

SMC MXQ6-50C-M9N Recirculating Linear Air Slide, 50mm Stroke w/x2 SMC D-M9N

SMC MXQ6-50 Recirculating Linear Air Slide, 50mm Travel w/x2 SMC D-M9N Sensors

Clippard MMR-2Q Regulator 1/4" NPT, 1/8" Gauge Port, 150PSIG Max Oper Pressure

Tescom BB-36PL1TEA4 Back Pressure Regulator, Max Inlet: 80PSI, 1/4" NPT

SMC MXQ8L-20 Recirculating Linear Slide Table, 20mm Stroke w/x2 SMC D-M9N Sensor

MAC 45A-AB1-DDAA-1BA Solenoid Valve 24VDC, 5.4Watts w/x2 Legris 4.5/32

Bank of Neumatics 041BB400M0000F, 041BB400M000061, 041BA400M0000F 24VDC 100PSI

Bank of Neumatics 041BB400MP00061 (1) 041BB400M000061 (2) 24VDC D-Sub 25-Pin

Bank of 4 Neumatics 041BB400MP00061, 1 041BB400M000061 24VDC D-Sub 25-Pin

Bank of Numatics 041BB400M000061 (4) 041BB4Z2MN000F (1) 24VDC 100PSI

Numatics Bank of 6 Solenoid Valves (3) 041BA400M0000F, (2) 041BB4Z2MN000F, (1)..

Bank of Numatics 041BB400M000061 (4) 041BB4Z2MN000F (3) w/ 4 Regulators

Numatics Bank of 6 Solenoid Valves (4) 041BB400M000061, (1) 041BA4Z2MN000F, ...

SMC NZM071HT-K5LZ-E15C Vacuum Ejector w/ Solenoid Valve 24VDC 0 to 100PSI

Norgren P72F-2AC-NNN Exhaust Valve, T72E-2AA-P1N Off-Valve, F72G-2AN-AL Filter

Norgren P72F-2AC-NNN Exhaust, T72E-2AA-P1N Shut-Off Valve, B72G-2AK-ALI-RMG

Schreder Bellows 06R213AASB Regulator 3/8" NPT w/Wika Gauge 0-100PSIG / 0-600KPa

Boss Dixon R16-02R Compactor Regulator w/Wika Gauge 0-100 PSI / 0-600KPa

Norgren 11-818-110 Pressure Regulator, Inlet 10Bar/150PSIG

SMC NVKF334V-5D-01T Base Mounted Valve 24VDC

Bimba M-128-DPT2 Pneumatic Cylinder 8" Stroke, 0.435" Shaft Diameter w/x1 MRX

Siemens Powers 265-1001 Electric-Pneumatic Valve 24V/60Hz, 5.7W

Siemens Powers 265-1007 Electric-Pneumatic Valve 24V/60Hz, 5.7W

Bimba TBA-3230-EF Twin Bore Pneumatic Cylinder 30mm-Stroke

Bimba EFT-50100-3EF Pneumatic Cylinder 50mm-Bore 80mm-Stroke

Bimba TBA-20150-FF Twin Bore Pneumatic Cylinder 6"-Stroke

Norgren V22B517A-B213R Bank of 8 Solenoid Valves, 5 Port, 24VDC Coil

Powers 142-0373 Gauge 0-30 PSI / 0-200 kPa

SMC SS5V1-GCJ16 Manifold with 3 SV1100R-5FU Solenoid Valves

SMC LVA40-03N-A LVA Series High Purity Chemical Valve 3/8", 0.3~0.5MPA

Bimba 505-D Pneumatic Cylinder 5" Stroke, 5/8" Shaft Diameter

Bimba 702-D Pneumatic Cylinder 2" Stroke, 3/4" Shaft DiameterDAI03

DAI04

DDO01

DLM01

DS200DMCBG1AJE

DS200KLDCG1AAA

DS200STBAG1ACB

FX61C BN624A551G51

CI630 3BSE011000R1

15-131623-00

51198947-100 51198947-100G

81000-199-51-R

BRC300 P-HC-BRC-30000000

IC670MDL730

IC697BEM713

N-2302-1-F00AA

IC697CHS750

SR750 750-P5-G5-S5-HI-A20-R-E

200×25/50

DSTA131 57120001-CV

E1406A

GV3000E-AC005-AA-DBU-RFI

IC697CHS750

MB-2T

SAFT185 58119687

TRD Manufacturing 2" Bore 2" Stroke, 5/8" Shaft Width Air Cylinder

MAC Valves FC92B-BA Control Valve

NIB MAC Valves 811C-PM-502JC-152 Solenoid Valves w/PME-502JC Solenoid Valves

NIB MAC Valves 55B-21-PI-114JA Solenoid Valve w/ PID-114JA Solenoid Valve

NIB MAC Valves 811C-PM-502JC-152 Solenoid w/PME-502JC Solenoid *Factory Sealed*

NIB MAC Valves 55B-21-PI-114JA Solenoid w/ PID-114JA Solenoid *Factory Sealed*

New in Box MAC Valves 825C-PM-591JA-652 Solenoid Valve