Note : Les descriptions sont présentées dans la langue officielle dans laquelle elles ont été soumises.
LOT0009CADOO
REMOTE VEHICLE DIAGNOSIS SYSTEM AND METHOD THEREOF
Technical field
The present invention belongs to the technical field of vehicle diagnosis,
especially a remote
vehicle diagnosis system and method thereof.
Background technology
Vehicle diagnosis devices can monitor in real time running status of
automotive electronic
systems for example engines, automatic transmission gearboxes etc., and once
there is
something wrong with the systems, corresponding error codes will be issued,
for example, when
excess tail gas emission due to faults with three-way catalytic converters in
emission systems of
a vehicle occurs, the systems will immediately send warning. In broad sense,
diagnosis includes
status monitoring, fault detection and performance prediction etc., and is a
very important
portion of automobile electronic technologies.
For conventional diagnosis methods, the diagnosis device shall be inserted
into an OBD port of a
vehicle to read data directly, currently, in the automotive repair industry
labor cost of senior
technicians is higher and higher, investment for renewing and updating the
automotive
diagnosis devices is gradually rising, automotive diagnosis is limited by
factors such as cost,
manpower, types of automobiles and distance, when the vehicle diagnosis device
is not installed
in a vehicle or when an error occurs to the diagnosis device, the user cannot
acquire automotive
error information and breakdown solutions, and trouble with the vehicle cannot
be addressed
effectively. Besides, most users and auto repair shops buy only some low and
middle end vehicle
diagnosis devices for basic repair tasks, however, common diagnosis devices
have many
restrictions on functions and types of supported automobiles, for example,
high-end cars, online
programming and special functions etc., and when encountering such services
nothing can be
done.
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Summary of invention
Based on this, targeting at the foregoing problems, the present invention
provides a remote
vehicle diagnosis system and method thereof.
To address the foregoing technical problems, the present invention uses the
following technical
solutions:
For one aspect, the present invention provides a remote vehicle diagnosis
system, comprising:
A first vehicle connection interface (VCI) for connection with a vehicle to be
diagnosed, wherein
the first VCI is located at a side to be diagnosed;
A second VCI and a diagnosis device at a diagnosis side, wherein the second
VCI and the
diagnosis device are interconnected and protocols for the second VCI and the
first VCI are the
same;
A cloud end, configured for conducting two-way data pass-through between the
first VCI and the
second VCI;
Wherein the first VCI acquires definitions of plugs in an OBD port of the
vehicle to be diagnosed
and sends via the cloud end the definitions of the plugs to the second VCI;
the second VCI
receives from the cloud end the definitions of the plugs, and conducts plug
simulation based on
the definitions of the plugs; the diagnosis device receives diagnosis
instructions from diagnosis
personnel and sends a diagnosis order to the second VCI according to the
diagnosis instructions;
the second VCI receives the diagnosis order, and sends to the first VCI via
the cloud end; the first
VCI receives the diagnosis order, and sends to the OBD port of the vehicle to
be diagnosed; the
first VCI receives feedback data from the OBD port of the vehicle to be
diagnosed and sends to
the second VCI via the cloud end; the second VCI receives the feedback data
and sends to the
diagnosis device; and the diagnosis device receives the feedback data and
diagnoses as per the
feedback data.
In another aspect, the present invention provides a remote vehicle diagnosis
method,
comprising:
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a first VCI acquires definitions of plugs of an OBD port of a vehicle to be
diagnosed, and sends to
a second VCI the definitions of the plugs via a cloud end;
a second VCI receives from the cloud end the definitions of the plugs and
conducts plug
simulation based on the definitions of the plugs;
a diagnosis device receives diagnosis instructions from diagnosis personnel,
and sends a
corresponding diagnosis order to the second VCI as per the diagnosis
instructions;
the second VCI receives the diagnosis order and sends to the first VCI via the
cloud end;
the first VCI receives the diagnosis order and sends to the OBD port of the
vehicle to be
diagnosed;
the first VCI receives feedback data from the OBD port of the vehicle to be
diagnosed and sends
to the second VCI via the cloud end;
the second VCI receives the feedback data and sends to the diagnosis device;
the diagnosis device receives the feedback data and makes diagnosis according
to the feedback
data;
wherein, the first VCI is configured to be connected with the OBD port of the
vehicle to be
diagnosed, and is located at a side to be diagnosed; the second VCI and the
diagnosis device are
provided at a diagnosis side, the second VCI is connected with the diagnosis
device, protocols for
the second VCI are the same as protocols for the first VCI; and the cloud end
is configured to
conduct two-way data pass-through between the first VCI and the second VCI.
With the method and system provided in the present invention, the diagnosis
device can be
used at the diagnosis side for diagnosis of the vehicle to be diagnosed at the
side to be
diagnosed, it is also possible for the diagnosis personnel at the side to be
diagnosed to control
remotely the diagnosis device to diagnose the vehicle to be diagnosed without
requiring
purchasing expense diagnosis devices, and when a vehicle is not provided with
a diagnosis
device or when there is something wrong with the diagnosis device, different
diagnosis devices
from different manufacturers can be used for diagnosis and repair, and the
diagnosis operations
are simple, convenient, and not subject to limitations of places, time and
devices.
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Brief description of drawings
Hereinafter the present invention will be further described in conjunction
with drawings and
embodiments:
Figure 1 is a structural diagram showing an embodiment 1 of the present
invention;
Figure 2 is a structural diagram showing an embodiment 2 of the present
invention; and
Figure 3 is a flowchart diagram showing the present invention.
Embodiments
As shown in figure 1 and figure 2, an embodiment of the present invention
provides a remote
vehicle diagnosis system, comprising a first VCI 110, a second VCI 120, a
diagnosis device 130
and a cloud end 140.
The first VCI 110 is located at a side to be diagnosed, and configured to be
connected with an
OBD port 21 of a vehicle to be diagnosed.
The second VCI 120 and the diagnosis device 130 are located at a diagnosis
side, wherein the
second VCI 120 is connected with the diagnosis device 130, and protocols for
the second VCI 120
and the first VCI 110 are the same.
The diagnosis device 130 can be diagnosis devices from different
manufacturers, comprises a
third party diagnosis instrument, that is, service VCI (SVCI) and an upper
computer, the second
VCI 120 is connected with the SVCI via cable harnesses, the SVCI is connected
with the upper
computer wirelessly, by for example Bluetooth, and the upper computer can be
laptops or
tablets.
The cloud end 140 is configured to conduct two-way data pass-through between
the first VCI
110 and the second VCI 120.
Data pass-through means to pass through data, during transmission, the data is
unaltered in any
form as if the transmission is done transparently, in the meanwhile quality of
transmission is
promised and the data is relayed unaltered to a recipient. To realize data
pass-through wireless
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pass-through modules such as advantageous wireless transmission technologies
Bluetooth, WiFi,
ZigBee etc. are used, with the first VCI 110, the second VCI 120, a Bluetooth
module, a WiFi
module or a ZigBee module on the cloud end 140 lengths and contents of data at
the sender
side and data at the recipient side are exactly the same, the data is not
processed at all, which
seems like a data wire or serial line.
The diagnosis process in the present invention is as following:
1. The first VCI 110 acquires the definitions of the plugs on the OBD port of
the vehicle to be
diagnosed, and sends via the cloud end 140 the definitions of the plugs to the
second VCI
120.
Wherein the definitions of the plugs comprise plug numbers, communication
types and baud
rates, also the definitions of the plugs can be obtained by voltages of the
plugs of the OBD port
21, obviously, when the user at the side to be diagnosed knows the definitions
of the plugs, user
input is also feasible.
2. The second VCI 120 receives the definitions of the plugs from the cloud end
140, and
conducts plug simulation based on the definitions of the plugs. As the second
VCI 120 and
the first VCI 110 share the same protocols, after the second VCI 120 receives
the definitions
of the plugs, the first VCI and the second VCI subscribe each other and plug
simulation is
done.
3. The upper computer of the diagnosis device 130 receives diagnosis
instructions, and sends a
corresponding diagnosis order to the second VCI 120 via the SVCI according to
the diagnosis
instructions.
4. The second VCI 120 receives the diagnosis order, and sends to the first VCI
110 via the cloud
end 140.
5. The first VCI 110 receives the diagnosis order and sends to the OBD port 21
of the vehicle to
be diagnosed.
6. The first VCI 110 receives feedback data from the OBD port 21 of the
vehicle to be diagnosed
and sends to the second VCI 120 via the cloud end 140.
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7. The second VCI 120 receives feedback data and sends to the SVCI of the
diagnosis device
130.
8. The SVCI receives the feedback data from the diagnosis device 130 and the
upper computer
makes diagnosis based on the feedback data.
Based on the same concept, as shown in figure 3, an embodiment of the present
invention
provides a remote vehicle diagnosis method comprising:
S101: the first VCI 110 acquires the definitions of the plugs of the OBD port
of the vehicle to be
diagnosed, and sends the definitions of the plugs via the cloud end 140 to the
second VCI 120.
Wherein, the definitions of the plugs comprise plug numbers, communication
types and baud
rates, the definitions of the plugs can be obtained via voltages of the plugs
of the OBD port,
obviously, when a user at the diagnosed side knows in advance the definitions
of the plugs, user
input is also feasible.
S102: the second VCI 120 receives the definitions of the plugs from the cloud
end 140, and
conducts plug simulation based on the definitions of the plugs.
S103: the diagnosis device 130 receives diagnosis instructions from the
diagnosis personnel, and
sends a corresponding diagnosis order to the second VCI 120 via the SVCI
according to the
diagnosis instruction.
S104: the second VCI 120 receives the diagnosis order and sends to the first
VCI 110 through the
cloud end.
S105: the first VCI 110 receives the diagnosis order and sends to the OBD port
21 of the vehicle
to be diagnosed.
S106: the first VCI 110 receives feedback data from the OBD port 21 of the
vehicle to be
diagnosed, and sends to the second VCI 120 through the cloud end 140.
S107: the second VCI 120 receives the feedback data and sends to the SVCI of
the diagnosis
device.
S108: the diagnosis device 130 receives the feedback data and the upper
computer makes
diagnosis based on the feedback data.
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Wherein, the first VCI 110 is configured to be connected with the OBD port 21
of the vehicle to
be diagnosed, the first VCI 110 is located at a side to be diagnosed, the
second VCI 120 and the
diagnosis device 130 are located at a diagnosis side, the second VCI 120 is
connected with the
diagnosis device 130, protocols for the second VCI 120 and protocols for the
first VCI 110 are the
same, therefore, after the second VCI 120 receives the definitions of the
plugs, the second VCI
120 and the first VCI 110 subscribe each other and plug simulation is
conducted, and the cloud
end 140 is configured to conduct data pass-through for the first VCI 110 and
the second VCI 120.
The diagnosis device 130 comprises a third party diagnosis instrument, that
is, a service VCI and
an upper computer, the second VCI 120 is connected with the third part
diagnosis instrument
service VCI, the third party diagnosis instrument service VCI is connected
with the upper
computer wirelessly by such as Bluetooth, and the upper computer comprises a
laptop or a
tablet.
Embodiment 1
As shown in figure 1, in the present embodiment, the diagnosis instructions
are input into the
upper computer of the diagnosis device 130 at the diagnosis side.
During application, the diagnosis personnel is at the diagnosis side, inputs
diagnosis instructions
into the upper computer of the diagnosis device 130, the SVCI sends a
diagnosis order to the
OBD port 21 via the second VCI 120, the cloud end 140 and the first VCI 110,
the first VCI 110
receives feedback data from the OBD port 21, and sends the feedback data to
the upper
computer of the diagnosis device 130 via the cloud end 140 and the second VCI
120, the upper
computer makes diagnosis based on the feedback data, the diagnosis personnel
can view
diagnosis results at the upper computer and conducts further diagnosis and
repair based on the
diagnosis results.
Embodiment 2
As shown in figure 2, in the present invention, a difference with embodiment 1
is that, a remote
control terminal 150 is provided at the side to be diagnosed for controlling
remotely the
diagnosis device 130, correspondingly, the diagnosis instructions are input
into the remote
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control terminal 150 by the diagnosis personnel at the side to be diagnosed,
and the remote
control terminal 150 sends the diagnosis instructions to the diagnosis device
130 remotely.
During application, the diagnosis personnel inputs the diagnosis instructions
into the remote
control terminal 150 at the side to be diagnosed, the remote control terminal
150 sends the
diagnosis instructions to the upper computer of the diagnosis device 130, the
SVCI of the
diagnosis device 130 sends the corresponding diagnosis order to the OBD port
21 via the second
VCI 120, the cloud end 140 and the first VCI 110, the first VCI 110 receives
feedback data from
the OBD port 21, and sends the feedback data to the upper computer of the
diagnosis device
130 via the cloud end 140 and the second VCI 120, the upper computer makes
diagnosis based
on the feedback data, the diagnosis personnel at the side to be diagnosed can
view the
diagnosis results on the upper computer via the remote control terminal 150,
and conducts
further diagnosis and repair based on the diagnosis results.
Wherein the remote control terminal 150 comprises a laptop or a tablet.
Remote control programs, for example teamviewer program and sunlogin remote
control
program, can be installed on the remote control terminal 150 and the upper
computer of the
diagnosis device 130, so as to realize remote control of the remote control
terminal 150 to the
upper computer, obviously, it is also feasible to use third party remote
control platforms, such as
teamviewer cloud and sunlogin cloud to realize remote control.
However, those of ordinary skill in the art shall appreciate that the
foregoing embodiments are
only intended to explain the present invention, rather than limit the present
invention, all
changes and modifications of the foregoing embodiments within spirit of the
present invention
fall into the scope of the claims of the present invention.
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