GB/T 5337-1985 PDF in English
GB/T 5337-1985 (GB/T5337-1985, GBT 5337-1985, GBT5337-1985)
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Nomenclature and terminology for automotive electrical equipment, lighting and instrumentation
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Standards related to (historical): GB/T 5337-1985
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GB/T 5337-1985: PDF in English (GBT 5337-1985) GB/T 5337-1985 (Renamed from GB 5337-1985)
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
UDC 629.113.06:001.4
GB 5337-85
Nomenclature and terminology for automotive electrical
equipment, lighting and instrumentation
ISSUED ON: AUGUST 31, 1985
IMPLEMENTED ON: MAY 01, 1986
Issued by: National Bureau of Standards
Table of Contents
1 General terminology ... 3
2 Charging system ... 4
3 Starting system ... 10
4 Ignition system ... 13
5 Small-power motor ... 18
6 Lighting equipment ... 19
7 Signal system ... 23
8 Instrumentation ... 27
9 Switch ... 33
10 Electrical connector ... 34
11 Electric circuit safety device ... 35
12 Cigar lighter ... 36
Additional information ... 37
Nomenclature and terminology for automotive electrical
equipment, lighting and instrumentation
This standard specifies the definitions of terms, for automotive electrical appliances
(excluding batteries, spark plugs, other electrical appliances for special purposes),
lamps and instruments, as well as their English comparisons.
1 General terminology
1.1 Nominal voltage, basic system voltage
Refers to the nominal voltage of the vehicle electrical system: 6 V, 12 V or 24 V.
1.2 Rated voltage
Terminal voltage during rated operation. For generators: 7 V for 6 V systems, 14 V
for 12 V systems; 28 V for 24 V systems.
1.3 Single wire system
The wiring method which uses the metal part of the car body as the electrical circuit.
1.4 Earth, ground
In the single-wire system, the product casing is connected to the vehicle body, as a
conductor of the electrical circuit.
Superseded synonym: grounding, iron-connection.
1.5 Negative earth
The negative pole of the battery is connected to the vehicle body.
1.6 Terminal post
Threaded (or unthreaded) terminals.
Superseded Synonym: Terminal screw.
1.7 Blade terminal
Blade-shaped terminals.
2 Charging system
2.1 DC generator, dynamo
The generator, which has a DC output current after, after commutated by the
commutator.
2.1.1 Drive end bearing bracket
The support seat at the drive end of the generator (AC, DC), starter or small motor,
to bear the motor rotor.
Superseded synonym: Drive end cap.
2.1.2 Commutator (slip ring) end bearing bracket
The support seat at the non-drive end of the generator (AC, DC), starter or small
motor, to bear the motor rotor.
Superseded synonym: Brush end cap, commutator end cap.
2.1.3 Frame
The frame to accommodate the DC generator, starter or the magnetic pole of small
motor, which is itself part of the magnetic circuit.
Superseded synonym: housing, base.
2.1.4 Stator assembly, field frame assembly
For DC generators and starters: It the whole of the magnetic field part, which is
composed of the field winding, the magnetic pole, the frame;
For AC generators: It is the whole of the generator armature part, which is composed
of three-phase windings.
2.1.5 Field coil, excitation winding
Field windings for generator (AC, DC) or starter poles.
2.1.6 Rotor assembly, armature
Integral armature part of a DC generator, starter or small motor.
2.1.7 Armature winding
2.1.8 Commutator
A metal plate, on which a diode or other component is mounted, to dissipate heat
during operation.
Superseded synonym: component board, component holder.
2.2.4 Claw pole
Claw-shaped poles.
2.2.5 Slip ring, collector-ring
A conductive ring, which input the field current into the field winding.
2.2.6 Battery terminal
The alternator's output terminal, which is connected to the battery, OR the
corresponding terminal of the alternator regulator.
Superseded synonym: "armature" terminal, "output" terminal.
2.2.7 Neutral terminal
The terminal of the neutral point of the alternator OR the corresponding terminal of
the regulator, relay, etc.
Superseded synonym: "Neutral point" terminal.
2.3 Brushless alternator
Alternator of brushless, slip ring construction.
2.4 Integrate alternator
Alternator, which has built-in electronic regulator.
2.5 Output characteristic curve
When the generator's voltage maintains a certain value, the relationship curve of the
output current changes with the speed.
2.6 Cut-in speed
The generator speed, when the generator load is zero AND the terminal voltage
reaches the rated voltage.
2.7 Load speed
The speed of the generator, when it reaches the rated voltage and current.
2.8 Maximum current output
The value, at which the output current does not increase continuously with the
increase of the rotation speed, when the alternator is at rated voltage.
2.9 Field current
The current through the field windings, when the generator is operating.
2.10 Internal earth
One end of the generator's field winding is connected with the generator frame.
2.11 External earth
One end of the generator's field winding is grounded, after passing through the
regulator.
2.12 DC generator regulator
A device, which controls the output of the alternator. It is composed of a voltage
regulator, a current limiter, a shut-off relay.
Superseded synonym: relay regulator.
2.12.1 Voltage regulator
A regulator, that controls the generator's output voltage within a specified range.
Superseded synonym: regulator.
2.12.2 Current limiter
A regulating device, that limits the generator's output current to a specified range.
Superseded synonym: restrictor.
2.12.3 Cutout relay
A device, that automatically connects and disconnects the generator and battery
circuits.
Superseded synonym: backflow relay, cutoff.
2.13 Alternator regulator
A device, that controls the output voltage of an alternator within a specified range
OR is combined with other auxiliary devices.
2.14.2.4 Compensating winding
A winding, which is connected in series in the excitation circuit of the generator, to
improve the characteristics of the regulator.
2.14.2.5 Regulating resistor
In electromagnetic vibration regulators, the resistor which is connected in series in
the field winding, to regulate the excitation current.
Superseded synonym: Additional resistor.
2.14.2.6 Accelerating resistor
A resistor, which is used to increase the vibration frequency of the contacts.
Superseded synonym: Vibration-assisting resistor.
2.14.2.7 Core
Magnetic conductive parts, that cooperate with coils, to generate magnetic force.
2.14.2.8 Armature
Magnetically conductive parts, that drive contacts by electromagnetic attraction.
Superseded synonym: Vibrating arm, tongue.
2.14.2.9 Earth screw
Superseded synonym: Ground screw.
2.14.2.10 Magnetic by-pass plate
A temperature-compensated part, that uses the magnetoresistance of the alloy to
change with temperature, to achieve voltage regulation.
Superseded synonym: by-pass magnetic chip.
2.15 Transistor regulator
The device, which uses the switching characteristics of the transistor, to control the
generator voltage.
2.16 IC regulator, solid state regulator
A device, that uses the switching characteristics of an integrated circuit, to control
generator voltage.
2.17 Built-in voltage regulator
Voltage regulator, which is mounted on alternator.
2.18 Regulating voltage
Generator voltage, which is controlled by the voltage regulator.
2.19 Limiting current
The maximum output current of the generator, which is controlled by the current
limiter.
Superseded synonym: regulating current.
2.20 Cut-in voltage
The voltage, at the moment when the electrical contacts are closed.
Superseded synonym: suction voltage.
2.21 Reverse current
The current, which flows from the battery to the generator, at the moment when the
cutout relay's contacts are disconnected.
Superseded synonym: countercurrent.
3 Starting system
3.1 Starter, starting motor, cranking motor
A DC motor of the starting engine, which is powered by a battery.
Superseded synonym: starter motor, starter.
3.1.1 Overruning clutch
Clutches that transmit torque in only one direction of rotation.
Superseded synonym: clutch, one-way clutch, overrunning clutch.
3.1.1.1 Roller-type overrunning clutch
A clutch, that transmits torque, when the rollers installed in the raceway of the one-
way clutch are wedged.
3.1.1.2 Multi-disc clutch
Superseded synonym: return spring.
3.2 Starter relay
A relay, which is installed outside the starter, to connect the main current of the
starter or the electromagnetic switch of the starter.
3.3 Mechanically engaged drive starter
A starter, which mechanically push the drive gear out to mesh with the flywheel's
gear ring of engine.
3.4 Pre-engaged drive starter
The starter, which is controlled by the electromagnetic switch, pushes the drive gear
to mesh with the flywheel's gear ring, through the shift lever.
3.5 Sliding armature starter
A starter, that pushes the drive gear to mesh with the flywheel's gear ring, by
armature movement.
3.6 Sliding gear starter
A starter, which uses the electromagnetic switch to push the engaging rod, which is
installed in the armature shaft hole, to make the drive gear mesh with the flywheel's
gear ring.
3.7 Coaxial drive starter
The starter, which uses the electromagnetic switch installed coaxially with the starter,
to directly attract the drive gear, to mesh with the flywheel's gear ring.
3.8 Inertia drive starter
A starter, that meshes with the flywheel's gear ring, by the inertial motion of the
drive gear.
3.9 Gear-reduction starter
A starter which, when the armature rotates, transmits the torque to the output shaft
of another one-way clutch, through gear reduction.
3.10 Intake air heater
A cold start support device, which is used for diesel engines, is installed on the intake
pipe, preheats the intake air when starting.
Superseded synonym: preheating plug.
3.11 Glow plug
A cold start support device, which is used on diesel engines, extends into the
combustion chamber, preheats the fuel, makes it easy to start.
Superseded synonym: preheating plug
3.12 Glow indicator
3.13 Lock torque
Under the specified conditions, the torque when the starter is fully braked.
Superseded synonym: lockup torque.
3.14 Running torque
The torque of the starter, at different loads and speeds.
3.15 Lock voltage
The terminal voltage of the starter, at full braking.
3.16 No-load speed
Under the specified terminal voltage, the speed of the starter when there is no load.
4 Ignition system
4.1 Classical ignition system, conventional ignition system
An ignition system, which is composed of an ignition coil, a circuit breaker with
contacts (parallel with capacitors), a corresponding power supply.
Superseded synonym: Battery ignition system.
4.1.1 Ignition coil
An induction coil in an ignition system, that generates high voltage electricity.
4.1.1.1 High tension terminal
The socket for connecting the high voltage wire, in the ignition coil or distributor
cover.
4.1.1.2 Primary winding
4.1.1.3 Secondary winding
engine load.
4.1.2.7 Point gap
The distance between the contacts, when the top of the contact breaker arm is in the
highest position of the cam.
Superseded synonym: platinum clearance.
4.1.3 Anti-interference ignition cable
High-impedance high-voltage conductors, which are capable of suppressing radio
interference from sparks.
4.1.4 Suppressor resistor
Resistors, which have the ability to suppress radio interference from sparks.
4.2 Semi-conductor ignition system, electronic ignition system, solid state ignition
system
Ignition systems, which use the semiconductor devices as switches.
Superseded synonym: crystal ignition system.
4.3 Inductive ignition system
An ignition system, that stores primary energy in an ignition coil.
4.4 Capacitor discharge ignition system
Ignition system, that stores primary energy in capacitors.
4.5 Semi-conductor assisted ignition system
Semiconductor ignition systems, which use the contact breaker.
4.6 Breakless ignition system
Ignition system without contact breaker.
4.6.1 Timer rotor
In a breakless ignition system, the rotor on the distributor shaft which has a raised
(or toothed) portion.
4.7 Distributorless ignition system
An ignition system, that does not require a rotating high-voltage distributor.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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