
4
2 Function introductions
of instrument and
operational control
pieces:
⑴⑴ instrument:
1. battery capacity
indicator;
2. fault indicator;
3. low-speed
indicator;
accumulative working time
and fault code indicator
This instrument is a
combination of battery
capacity indicator, LCD hour
meter, fault code and
low-speed indicator, with
the battery capacity indicator of five segments of colorful LED display. When the storage battery is fully
charged, the five battery capacity indicators will be green. With battery capacity consuming up, the five
indicators will go out one by one. When battery discharges by 70% capacity, the last indicator will flicker
and shows “energy storage” alarm. When the battery discharges by 80%, the last indicator becomes red
and shows “energy exhaust”. After the external power supply is cut off, the internal battery can generally
keep storage memory of 10 years. The life service time for monitoring of this instrument is 99999.9 hours
recorded on LCD displays. Hour meter resets automatically and continue to time and display. Only if it is
connected to battery, LCD hour meter will start working. This instrument possesses high reliability under
extremely bad environment。
⑵Steering system:
The steering system mainly composes of operation handle, steering device shaft, support bearings,
potentiometer and steering power unit. The system is used to control travel direction of the truck。
⑶Braking:
the traveling brake of this truck is regenerative braking, with parking brake of electromagnetic brake.
When the accelerator is released during the traveling of the truck, the controller will carry out regenerative
braking at first. This kind of brake can turn the dynamic energy to electric energy which can be recharged to
battery. When the truck is stopped, the electromagnetic arrester will be out of power and braked again. This
type of regenerative brake with electromagnetic brake not only prolongs the service time of storage battery
but also reduces the wearing of the brake plate, which extends the service time of brake
The position of operation handle is divided
into 3 areas, i.e. area A , area B and area C which
have different operational functions separately.
area A: When the operation handle is in area A, the
truck will be in a state of braking.
Then acceleration knob for traveling can not work but
can only conduct lifting or lowering operation.
area B: When the operation handle is in area B, the
truck will be in a state of traveling. When the
accelerator knob is turned to one direction, the truck
will travel in this direction. When the accelerator knob
is turned in another direction, the truck will travel in
another direction. When the accelerator knob is
released during
truck traveling, regenerative braking will take effect, making the truck slow down to stop.
area C:When the operation handle is in area C, the truck will be in a state of traveling. When the accelerator
knob is turned to one direction, the truck will travel in this direction. When the accelerator knob is turned in
another direction, the truck will travel in another direction. When the accelerator knob is released during truck
traveling, the truck will be in a state of free sliding.