Multifunctional Motor Protector (4)

Published:2011/5/25 6:28:00 Author:Sue | Keyword: Multifunctional, Motor, Protector

When the triphase alternating current power is working well, A's potential is 0V. The protection circuit consists of RV4,RV5,R4,R5,KN,Q,FU,KM,S and M. When any phase of the triphase alternating current power has an abnormal voltage, the public terminal's potential will be higher. KN's inside circuit will be connected. KM's coil will be short and KM is released. The power will be cut off to protect the motor.   (View)

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Shanghai GM Cadillac CTS saloon car circuit

Published:2011/5/26 1:59:00 Author:Christina | Keyword: Shanghai GM, Cadillac, saloon car

The Shanghai GM Cadillac CTS saloon car circuit is as shown:   (View)

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Audi A4 saloon car CAN-BUS circuit (1)

Published:2011/5/25 20:51:00 Author:Christina | Keyword: Audi, A4, saloon car

Audi A4 saloon car CAN-BUS circuit (1) is as shown:   (View)

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Audi A4 saloon car CAN-BUS circuit (3)

Published:2011/5/25 19:08:00 Author:Christina | Keyword: Audi, A4, saloon car, CAN-BUS

The Audi A4 saloon car CAN-BUS circuit (3) is as shown:   (View)

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BMW 528e series circuit in 1988

Published:2011/5/19 20:50:00 Author:Christina | Keyword: BMW, 1988

The BMW 528e series circuit in 1988:   (View)

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Quartz crystal oscillator circuit

Published:2011/5/23 23:23:00 Author:John | Keyword: Quartz crystal oscillator

Quartz crystal oscillator circuit is shown below.   (View)

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Car amplifier circuit

Published:2011/5/27 7:14:00 Author:John | Keyword: Car amplifier

Car amplifier circuit is shown below.   (View)

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FM transmitter 07 circuit

Published:2011/5/23 20:54:00 Author:John | Keyword: FM transmitter

FM transmitter 07 circuit is shown below.   (View)

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Capacitance feedback oscillator circuit

Published:2011/5/23 21:01:00 Author:John | Keyword: Capacitance feedback oscillator

Capacitance feedback oscillator circuit is shown below.   (View)

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filter oscillation circuit

Published:2011/5/23 21:32:00 Author:John | Keyword: filter

Filter oscillation circuitis shown below.   (View)

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FM transmitter principle circuit

Published:2011/5/23 21:49:00 Author:John | Keyword: FM transmitter

FM transmitter principle circuit is shown below.   (View)

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The idle speed improving control circuit of Tianjin Xiali TJ710OE

Published:2011/5/20 4:13:00 Author:Borg | Keyword: idle speed, control circuit, Tianjin Xiali

When the engine begins to run but it was not hot enough and the electricity load is raising, such as the time after the warm air fan switch, cooling fan relay and tail lamp switches are connected, meanwhile the cutting/offering oil injector is working asynchronously, the signals are sent to ECU in the form of switch volume or analog volume signals, and the ECU will order VSVI terminals to connect with the ground, so that the idling speed is raised, and the magnetic valve(VSV) allows some air to flow in the balance box(not through the throttle).   (View)

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The control circuit of shutting down the air-conditioner while accelerating of Tianjin Xiali TJ7100F

Published:2011/5/20 3:57:00 Author:Borg | Keyword: control circuit, air-conditioner, accelerating

When the car accelerates at the idling speed, the switch shifts from off to on, then the MAP under the relative rotating speed reaches the regulated value. When engaging overtaking acceleration, the throttle opens wider, when the admission tube pressure and change ratio are higher than the regulated values, these signals will give orders after they have been processed by ECM, then MGC terminals connect with the earth, and the relay cuts off the power supply mainstream of the air-conditioning amplifier.   (View)

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The igniting advance angle control circuit of Tianjin Xiali TJ7100F

Published:2011/5/20 4:31:00 Author:Borg | Keyword: advance angle, control circuit, Tianjin Xiali

When the engine starts to run, the admission tube pressure is not stable,so it can not decide the advance angle, that's why we use a certain igniting advance angle. The angle is decided by the marks of crankshaft top pneumatic cam shaft, middle axis with toothed belt and electricity distributor, the value of the angle is 5°and 2°/800r/min。Apart from the basic igniting advance angle changes with the engine rotating speed and admission pressure, there are some modifying sectors, which are water temperature modification, idle speed-steady modification and transitional working condition modification.   (View)

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The computer ECU function circuit of Xiali EFI TJ37100E

Published:2011/5/19 22:26:00 Author:Borg | Keyword: ECU, function circuit, Xiali

Figure 1 indicates the terminal position sequence of the computer outlet, the English code of each terminal has a certain meaning, see as Figure 2. And Table 4 illustrates the computer control function. Table 5 shows the functions and characters of the main executing components of the electronic control system. Figure 1. the function circuit of computer ECU   (View)

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The computer ECU outlet sequence table of Xiali EFI TJ37100E

Published:2011/5/20 10:25:00 Author:Borg | Keyword: ECU, outlet sequence, Xiali

The internal functions of computer ECU is listed here. Of the input signals, the engine rotating speed and car speed signals are impulse, and they will be put into timers after passing the shaping circuit; all idling speed signals and equipment load signals and stating signals are generated by their own sensors(or their own switches). And all the admission MAP, water temperature signals and idling speed CO regulator signals are analog impulse. The executing parts mainly consist of igniting coil, oil injector, idling speed raising valve and fuel pump relay, and so on.   (View)

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The electric control system sensor circuit of Xiali EFI TJ37100E

Published:2011/5/20 9:21:00 Author:Borg | Keyword: electric control system, Xiali

The following table represents the functions, position and principle features of the input signal sensors in the electric control system.   (View)

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The petrol injection engine circuit of Tianjin Xiali EF1 TJ376Q-E (3)

Published:2011/5/20 20:27:00 Author:Borg | Keyword: petrol injection, Tianjin Xiali

30-instrument board lamp; 31-width lamp; 32-tail lamp; 33-fuse; 34-starter; 35-air-conditioning control; 36-warm air motor fuse; 37-air-conditioning pressure switch; 38-warm air motor; 39-speed governing; 40-warm air motor switch; 41-water temperature sensor; 42-compressor magnetic clutch; 43-condenser fan relay; 44-condenser fan motor   (View)

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The petrol injection engine circuit of Tianjin Xiali EF1 TJ376Q-E (2)

Published:2011/5/20 20:14:00 Author:Borg | Keyword: petrol injection, Tianjin Xiali

20-admission MAP sensor; 21-shielded wire; 22-engine rotating speed and steering angle sensor(in the electricity distributor); 23-test terminal; 24-igniting coil; 25-shielded coil; 25-defroster fuse; 26-defroster switch; 27-rear window defroster; 28-tail lamp switch; 29-tail lamp fuse; 30-instrument lamp; 31-width lamp; 32-tail lamp; 34-starter; 35-air-conditioning amplifier; 36-warm air motor fuse; 41-water temperature sensor;   (View)

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The petrol injection engine circuit of Tianjin Xiali EF1 TJ376Q-E (1)

Published:2011/5/20 20:05:00 Author:Borg | Keyword: petrol injection, Tianjin Xiali

1-battery; 2-cooling fan fuse; 3-igniting switch fuse; 4-igniting switch; 5-engine fuse; 6-pre- power supply fuse; 7-e-control petrol injection system fuse; 8-e-control petrol injection relay (the chief relay); 9-oil injector; 10-engine ECU; 11-instrument board fuse; 11a-throttle position sensor(idling speed sensor); 12-engine fault alarm lamp; 13-speed sensor; 14-idling speed raising valve; 15-cooling fan relay; 16-cooling fan motor;   (View)

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