CN105824305B - The power consumption test device and system of automobile electronic control unit - Google Patents
The power consumption test device and system of automobile electronic control unit Download PDFInfo
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- CN105824305B CN105824305B CN201610140501.9A CN201610140501A CN105824305B CN 105824305 B CN105824305 B CN 105824305B CN 201610140501 A CN201610140501 A CN 201610140501A CN 105824305 B CN105824305 B CN 105824305B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24048—Remote test, monitoring, diagnostic
Abstract
The invention discloses a kind of power consumption test device of automobile electronic control unit and system, the power consumption test device of the automobile electronic control unit includes：First track is connected with corresponding multiple electronic control unit respectively by multiple first branchs；Second track is connected with corresponding multiple electronic control unit respectively by multiple the second branches；Power supply for giving the first track and the second track to power respectively；Current detecting unit is connected in the second track, and current detecting unit is communicated with host computer, wherein, when power supply is powered by the second track at least one of multiple electronic control unit electronic control unit, host computer is according to the Current calculation that current detecting unit the measures power consumption in the electronic control unit by electricity condition corresponding with the second track, to can not only measure the power consumption of multiple electronic control unit on vehicle, the power consumption of each electronic control unit can also be measured, the free switching of different power consumption detection pattern, simple operation may be implemented.
Description
Technical field
The present invention relates to automobile technical field, more particularly to the power consumption test device and a kind of vapour of a kind of automobile electronic control unit
The power consumption test system of vehicle electronic control unit.
Background technology
In the related art, the power consumption test of automobile electronic control unit is to measure accumulator by current clamp or multimeter mostly
Positive or negative pole electric current.The relevant technologies have the drawback that the electric current measured is the sum of the electric current of multiple electronic control unit, can not
Obtain the operating current of each electronic control unit or each system.And since electronic control unit installs ground more hidden in the car
Side, the power consumption test that each electronic control unit is carried out on vehicle are difficult to carry out.
Therefore, the relevant technologies needs are improved.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention
One purpose is to propose that a kind of power consumption test device of automobile electronic control unit, the device can measure the work(of multiple electronic control unit
Consumption also can measure the power consumption of each electronic control unit, simple operation.
It is another object of the present invention to propose a kind of power consumption test system of automobile electronic control unit.
In order to achieve the above objectives, a kind of power consumption test dress for automobile electronic control unit that one aspect of the present invention embodiment proposes
It sets, including：First track, first track are connected with corresponding multiple electronic control unit respectively by multiple first branchs；The
Two tracks, second track are connected with corresponding multiple electronic control unit respectively by multiple the second branches；Power supply, it is described
Power supply for giving first track and second track to power respectively；Current detecting unit, the current detecting list
Member is connected in second track, and the current detecting unit is communicated with host computer, wherein when the power supply
When by second track to the electronic control unit power supply of at least one of the multiple electronic control unit, the host computer is according to institute
State the Current calculation work(in the electronic control unit by electricity condition corresponding with second track that current detecting unit measures
Consumption.
The power consumption test device of the automobile electronic control unit proposed according to embodiments of the present invention, power supply give the first rail respectively
Road and the power supply of the second track, it is upper when being powered at least one of multiple electronic control unit electronic control unit by the second track
Machine is according to the Current calculation that current detecting unit the measures work(in the electronic control unit by electricity condition corresponding with the second track
Consumption can also measure the power consumption of each electronic control unit to can not only measure the power consumption of multiple electronic control unit on vehicle, realize
The free switching of different power consumption detection pattern, simple operation.
According to one embodiment of present invention, the first controllable switch is provided with to control correspondence in each first branch
The first branch break-make；It is provided with the second controllable switch in each the second branch to control the logical of corresponding the second branch
It is disconnected.
According to one embodiment of present invention, each to have altogether between the first branch and the corresponding the second branch
With sub- branch, so that each first branch and the corresponding the second branch pass through and described share sub- branch and corresponding electricity
Unit is controlled to be connected.
According to one embodiment of present invention, each shared sub- branch road is provided with third controllable switch, with control
It is connected while the corresponding first branch is with the second branch or breaking simultaneously.
According to one embodiment of present invention, each shared sub- branch road is additionally provided with fuse.
According to one embodiment of present invention, the current detecting unit is integrated with driving circuit, the driving circuit point
It is not connected with the multiple first branch and the multiple the second branch, and the driving circuit is also led to the host computer
Letter, the multiple first branch of drive signal control that the driving circuit is used to be sent according to the host computer and the multiple
The break-make of the second branch.
A specific embodiment according to the present invention, the host computer pass through USB line or Serial Port Line and the current detecting
Unit is communicated.
A specific embodiment according to the present invention, the power supply are accumulator or D.C. regulated power supply.
In order to achieve the above objectives, a kind of power consumption test system for automobile electronic control unit that another aspect of the present invention embodiment proposes
System, including：Host computer；The power consumption test device of the automobile electronic control unit.
The power consumption test system of the automobile electronic control unit proposed according to embodiments of the present invention passes through above-mentioned automobile electrically-controlled list
The power consumption test device of member, can not only measure the power consumption of multiple electronic control unit on vehicle, can also measure each electronic control unit
Power consumption, to realize the free switching of different power consumption detection pattern, simple operation.
Description of the drawings
Fig. 1 is the block diagram of the power consumption test device of automobile electronic control unit according to the ... of the embodiment of the present invention；
Fig. 2 is the circuit diagram of the power consumption test device of automobile electronic control unit according to an embodiment of the invention；
Fig. 3 is the structural schematic diagram of current detecting unit in Fig. 2；And
Fig. 4 is the interface schematic diagram for the test software installed in host computer according to an embodiment of the invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings come be described in detail the embodiment of the present invention proposition automobile electronic control unit power consumption test device and
System.
Fig. 1 is the block diagram of the power consumption test device of automobile electronic control unit according to the ... of the embodiment of the present invention.Such as Fig. 1 institutes
Show, which includes：First track 10, the second track 20, power supply 30 and current detecting unit 40.
Wherein, the first track 10 passes through first branch M1 to n-th of multiple first branchs i.e. the 1st first branch Mn difference
It is connected with electronic control unit ECU1 to n-th of corresponding multiple electronic control unit i.e. the 1st electronic control unit ECUn, in other words, the first track
10 pass through the 2nd first branch by the 1st first branch M1 connected, the first tracks 10 corresponding with the 1st electronic control unit ECU1
M2 it is corresponding with the 2nd electronic control unit ECU2 be connected ..., the first track 10 pass through n-th of first branch Mn and n-th of automatically controlled list
First ECUn, which is corresponded to, to be connected；Second track 20 passes through the second branch N1 to n-th of multiple the second branches i.e. the 1st the second branch Nn
It is connected respectively with electronic control unit ECU1 to n-th of corresponding multiple electronic control unit i.e. the 1st electronic control unit ECUn, in other words, second
Track 20 passes through the 2nd second by the 1st the second branch N1 connected, the second tracks 20 corresponding with the 1st electronic control unit ECU1
Branch N2 is corresponding with the 2nd electronic control unit ECU2 to be connected ..., the second track 20 passes through n-th of the second branch Nn and n-th electric
It controls unit ECUn and corresponds to and be connected.
Power supply 30 for giving the first track 10 and the second track 20 to power respectively；Current detecting unit 40 is connected to
In two tracks 20, and current detecting unit 40 is communicated with host computer 50, wherein when power supply 30 passes through the second track 20
When powering at least one of multiple electronic control unit ECU1 to ECUn electronic control unit, host computer 50 is according to current detecting unit 40
The Current calculation measured the power consumption in the electronic control unit by electricity condition corresponding with the second track 20.
That is, separating two-way power rail from power supply 30：It is the i.e. normal electric rail of the first track 10 all the way, first
Track 10 is directly connected to power supply 30；Another way is that the second track 20 measures track, and the second track 20 is examined by electric current
It surveys unit 40 and is connected in series to power supply 30.When any one electronic control unit is connected to the second track 20 and other electronic control unit are connected to
When the first track 10, power supply 30 is powered by the second track 20 for any one electronic control unit, and current detecting unit
40 can measure the electric current for flowing through any one electronic control unit and the electric current measured are uploaded to host computer 50, host computer 50
The power consumption for obtaining any one electronic control unit, so as to measure the power consumption of each electronic control unit；When any two or it is more than two
Electronic control unit is connected to the second track 20 and when other electronic control unit is connected to the first track 10, and power supply 30 passes through second
Track 20 is any two or more than two electronic control unit power supplies, and current detecting unit 40 can measure and flow through any two or two
The total current measured is simultaneously uploaded to host computer 50 by the total current of the above electronic control unit, host computer 50 can obtain any two or
The total power consumption of more than two electronic control unit, so as to measure the total power consumption of multiple electronic control unit.
The automobile electronic control unit of the embodiment of the present invention as a result, can not only measure the power consumption of multiple electronic control unit on vehicle,
The power consumption that each electronic control unit can also be measured, to realize the free switching of different power consumption detection pattern, simple operation.
In one embodiment of the invention, as shown in Fig. 2, be provided in each first branch the first controllable switch K1 with
Control the break-make of the corresponding first branch；The second controllable switch K2 is provided with to control corresponding second in each the second branch
The break-make on road.
Also, in one embodiment of the invention, as shown in Fig. 2, each first branch and corresponding the second branch it
Between have and share sub- branch so that each first branch and corresponding the second branch, which pass through, shares sub- branch and corresponding automatically controlled list
Member is connected.Specifically, as shown in Fig. 2, each sharing sub- branch road may be provided with third controllable switch K3, to control corresponding the
It is connected while one branch is with the second branch or breaking simultaneously.By taking the 1st electronic control unit ECU1 as an example, the 1st first branch M1
On first controllable switch K1 and the 1st the second branch N1 on the second controllable switch K2 between have node, the 1st first
One end of the third controllable switch K3 for sharing sub- branch road of branch M1 and the 1st the second branch N1 is connected with node, the 1st the
The other end and the 1st automatically controlled list of the third controllable switch K3 for sharing sub- branch road of one branch M1 and the 1st the second branch N1
First ECU1 is connected.
Specifically, for any one first branch, when in the first branch the first controllable switch K1 and third it is controllable
When switch K3 is closed, which is connected, and power supply 30 is automatically controlled to be connect with the first branch by the first track 10
Unit is powered；Similarly for any one the second branch, as the second controllable switch K2 and third controllable switch in the second branch
When K3 is closed, the second branch conducting, power supply 30 is the electronic control unit being connect with the second branch by the second track 20
Power supply.
Conversely, for any one first branch, as the first controllable switch K1 or third controllable switch in the first branch
When K3 is turned off, which disconnects, and power supply 30 can not be automatically controlled to be connect with the first branch by the first track 10
Unit is powered；Similarly for any one the second branch, as the second controllable switch K2 or third controllable switch in the second branch
When K3 is turned off, which disconnects, and power supply 30 can not be automatically controlled to be connect with the second branch by the second track 20
Unit is powered.
Further, in one embodiment of the invention, as shown in figure 3, current detecting unit 40 is integrated with driving electricity
Road 401, driving circuit 401 is connected with multiple first branch M1 to Mn and multiple the second branch N1 to Nn respectively, and driving circuit
401 are also communicated with host computer 50, the drive signal control multiple first that driving circuit 401 is used to be sent according to host computer 50
The break-make of branch M1 to Mn and multiple the second branch N1 to Nn.
That is, the first controllable switch K1 in each first branch, the second controllable switch in each the second branch
K2 and each third controllable switch K3 can under the driving of 401 driving circuit of driving circuit on or off.In other words,
Host computer 50 controls the break-make of multiple first branch M1 to Mn and multiple the second branch N1 to Nn simultaneously by current detecting unit 40
The electric current that current detecting unit 40 measures is read in real time, and then realizes the power consumption test of single or multiple electronic control unit.
Specifically, user can be instructed to 50 input control of host computer to select to need to carry out the automatically controlled list of measurement of power loss
Member, host computer 50 send out drive signal, driving circuit receiving the rear of control instruction input by user to driving circuit 401
401 drive signals that can be sent according to host computer 50 control each first controllable switch K1, each second controllable switch K2 with
And each third controllable switch K3.For example, when user's selection carries out measurement of power loss to first electronic control unit ECU1, host computer 50
Respective drive signal is sent out to driving circuit 401, driving circuit 401 controls first according to the drive signal that host computer 50 is sent
The second controllable switch K2 and third controllable switch K3 on the second branch N1 are closed, and are controlled on first first branch M1
First controllable switch K1 shutdowns.
A specific example according to the present invention, the first controllable switch K1 are the first relay, each first relay
Switch is connected on the corresponding first branch, and the coil of each first relay is connected with driving circuit 401, so that driving circuit
401 the first relays of driving；Second controllable switch K2 is the second relay, and the switch of each second relay is connected on accordingly
The second branch, the coil of each second relay is connected with driving circuit 401, so that driving circuit 401 drives the second relay
Device；Third controllable switch K3 is third relay, and the switch of each third relay is connected on the corresponding first branch and second
The shared sub- branch road of branch, the coil of each third relay is connected with driving circuit 401, so that driving circuit 401 drives
Third relay.A specific example according to the present invention, current detecting unit 40 can be standards with IO drivings, electric current
It detects, the test equipment of communication function, can also be the measuring unit with said function being built by multiple standard devices.
Further, in one embodiment of the invention, as shown in Fig. 2, each sharing sub- branch road is additionally provided with guarantor
Dangerous silk F, fuse F are attached between third controllable switch K3 and node, to realize that overcurrent and short circuit are protected by fuse F
Shield.
In addition, in one particular embodiment of the present invention, host computer 50 can pass through USB line or Serial Port Line and current detecting
Unit 40 is communicated.
The measurement of power loss process of electronic control unit is illustrated below：
Survey Software can be installed, the interface of Survey Software is as shown in figure 4, be provided with electric current in Survey Software in host computer 50
The power supply control of measured value, each electronic control unit.Also, host computer 50 can be according to predetermined period to each first controllable switch
K1, each second controllable switch K2 and each third controllable switch K3 send control signal, and current detecting unit 40 is according to connecing
The control signal received drives each first controllable switch K1, each second controllable switch K2 and each third controllable switch
K3, to realize the control of different electronic control unit different working conditions.Meanwhile current detecting unit 40 can also be according to predetermined period
The electric current detected is sent to host computer 50 so that host computer 50 obtains current measurement value, current measurement value is corresponding electricity
Control the power consumption of unit.
It should be noted that the voltage value due to accumulator is certain, the current value of electronic control unit consumption represents automatically controlled list
The power consumption of member.
When requiring to measure the first electronic control unit ECU1, the second electronic control unit ECU2 or the first electronic control unit ECU1 and second
When the power consumption of the subsystem of electronic control unit ECU2 compositions, the first controllable switch under each measurement target in each first branch
The second controllable switch K2 in K1, each the second branch and the state for each sharing third controllable switch K3 in sub- branch are specific
As shown in table 1, wherein 1 represents closure, and 0 represents shutdown：
Table 1
As shown in table 1, when measuring the power consumption of the 1st electronic control unit ECU1, the driving circuit in current detecting unit 40
401 drive first in the 1st first branch M1 being connected with the 1st electronic control unit ECU1 according to the drive signal of host computer 50
Controllable switch K1 shutdowns, and drive the second controllable switch in the 1st the second branch N1 being connected with the 1st electronic control unit ECU1
K2 is closed, while driving first on the first branch M2 to Mn being respectively connected with other electronic control unit ECU2 to ECUn controllably to open
It closes K1 to be closed, and drives second on the second branch N2 to Nn being respectively connected with other electronic control unit ECU2 to ECUn controllable
Switch K2 shutdowns, while each third controllable switch K3 also being driven to be closed.Thus, it is ensured that there was only the 1st on the second track 20
Electronic control unit ECU1 is working, and remaining electronic control unit ECU2 to ECUn is operated in the first track 10, in this way, current detecting unit
40 electric currents measured are the electric current for flowing through the 1st electronic control unit ECU1, and current detecting unit 40 will flow through the 1st automatically controlled list
The electric current of first ECU1 is sent to host computer 50, and host computer 50 can be according to the Current calculation the 1st for flowing through the 1st electronic control unit ECU1
The power consumption of a electronic control unit ECU1.
Similarly, when measuring the power consumption of the 2nd electronic control unit ECU2, the driving circuit 401 in current detecting unit 40
First in the 2nd first branch M2 being connected with the 2nd electronic control unit ECU2 according to the driving of the drive signal of host computer 50 can
Switch K1 shutdowns are controlled, and drive second in the 2nd the second branch N1 being connected with the 2nd the second electronic control unit ECU2 controllably to open
It closes K2 to be closed, while driving the first branch M1 and M3 being respectively connected with other electronic control unit ECU1 and ECU3 to ECUn
The first controllable switch K1 on to Mn is closed, and drives second to be connected with other electronic control unit ECU1 and ECU3 to ECUn
The second controllable switch K2 of branch N1 and N3 to Nn is disconnected, while each third controllable switch K3 also being driven to be closed.As a result,
It can guarantee that only the 2nd electronic control unit ECU2 is working on the second track 20, and remaining electronic control unit ECU1 and ECU3 are extremely
ECUn is operated in the first track 10, in this way, the electric current that current detecting unit 40 measures is to flow through the 2nd electronic control unit ECU2
Electric current, the electric current for flowing through the 2nd electronic control unit ECU2 is sent to host computer 50, host computer 50 by current detecting unit 40
According to the power consumption for the 2nd electronic control unit ECU2 of Current calculation for flowing through the 2nd electronic control unit ECU2.
When measuring the power consumption of subsystem of the 1st electronic control unit ECU1 and the 2nd the second electronic control unit ECU2 composition, electricity
Driving circuit 401 in stream detection unit 40 drives according to the drive signal of host computer 50 to be connected with the 1st electronic control unit ECU1
The 1st first branch M1 in the first controllable switch K1 shutdown, and drive the 1st to be connected with the 1st electronic control unit ECU1
The second controllable switch K2 in the second branch N1 is closed, while the 2nd first that driving is connected with the 2nd electronic control unit ECU2
The first controllable switch K1 shutdowns in the M2 of road, and drive the 2nd the second branch being connected with the 2nd the second electronic control unit ECU2
The second controllable switch K2 in N1 is closed, while driving the first branch M3 being respectively connected with other electronic control unit ECU3 to ECUn
The first controllable switch K1 on to Mn is closed, and drives the second branch N3 being connected with other electronic control unit ECU3 to ECUn extremely
The second controllable switch K2 of Nn is disconnected, and each third controllable switch K3 is also driven to be closed.Thus, it is ensured that have on the second track 20
1st electronic control unit ECU1 and the 2nd electronic control unit ECU2 is working, and remaining electronic control unit ECU3 to ECUn is operated in first
Track 10, in this way, the electric current that current detecting unit 40 measures is the 1st electronic control unit ECU1 and the 2nd electronic control unit
The electric current of the subsystem of ECU2 compositions, that is, flow through the total current of the 1st electronic control unit ECU1 and the 2nd electronic control unit ECU2, and
The total current for flowing through the 1st electronic control unit ECU1 and the 2nd electronic control unit ECU2 is sent to host computer 50, host computer 50
The 1st electronic control unit ECU1 and the 2nd is calculated according to the total current for flowing through the 1st electronic control unit ECU1 and the 2nd electronic control unit ECU2
The power consumption of the subsystem of a electronic control unit ECU2 compositions.
In one particular embodiment of the present invention, power supply 30 can be accumulator or D.C. regulated power supply.
To sum up, the power consumption test device of the automobile electronic control unit proposed according to embodiments of the present invention, power supply are given respectively
First track and the power supply of the second track, when being powered at least one of multiple electronic control unit electronic control unit by the second track
When, host computer is according to the Current calculation that current detecting unit the measures automatically controlled list in by electricity condition corresponding with the second track
The power consumption of member can also measure the work(of each electronic control unit to can not only measure the power consumption of multiple electronic control unit on vehicle
Consumption, may be implemented the free switching of different power consumption detection pattern, simple operation.
The invention also provides a kind of power consumption test system of automobile electronic control unit, the power consumption tests of the automobile electronic control unit
System includes the power consumption test device of host computer and above-mentioned automobile electronic control unit.
It should be understood that the reality of the concrete structure of the power consumption test device of automobile electronic control unit, operation principle such as front
It applies described in example, is in succinct purpose here, no longer repeats one by one.
To sum up, the power consumption test system of the automobile electronic control unit proposed according to embodiments of the present invention, passes through above-mentioned automobile
The power consumption test device of electronic control unit can not only measure the power consumption of multiple electronic control unit on vehicle, can also measure each electricity
The power consumption for controlling unit, may be implemented the free switching of different power consumption detection pattern, simple operation.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (9)
1. a kind of power consumption test device of automobile electronic control unit, which is characterized in that including：
First track, first track are connected with corresponding multiple electronic control unit respectively by multiple first branchs；
Second track, second track are connected with corresponding multiple electronic control unit respectively by multiple the second branches；
Power supply, the power supply for giving first track and second track to power respectively；
Current detecting unit, the current detecting unit are connected in second track, and the current detecting unit with it is upper
Position machine is communicated, wherein when the power supply by second track at least one in the multiple electronic control unit
When the power supply of a electronic control unit, Current calculation and second track that the host computer is measured according to the current detecting unit
The corresponding power consumption in the electronic control unit by electricity condition.
2. the power consumption test device of automobile electronic control unit according to claim 1, which is characterized in that
The first controllable switch is provided with to control the break-make of the corresponding first branch in each first branch；
The second controllable switch is provided with to control the break-make of corresponding the second branch in each the second branch.
3. the power consumption test device of automobile electronic control unit according to claim 2, which is characterized in that described first each
Have between road and the corresponding the second branch and share sub- branch, so that each first branch and corresponding described second
Branch is connected by the shared sub- branch with corresponding electronic control unit.
4. the power consumption test device of automobile electronic control unit according to claim 3, which is characterized in that each shared son
Branch road be provided with third controllable switch, with is connected while controlling the corresponding first branch with the second branch or simultaneously open circuit.
5. the power consumption test device of automobile electronic control unit according to claim 4, which is characterized in that each shared son
Branch road is additionally provided with fuse.
6. the power consumption test device of automobile electronic control unit according to any one of claims 1-5, which is characterized in that described
Current detecting unit is integrated with driving circuit, the driving circuit respectively with the multiple first branch and second the multiple
Road is connected, and the driving circuit is also communicated with the host computer, and the driving circuit is used to be sent out according to the host computer
The drive signal sent controls the break-make of the multiple first branch and the multiple the second branch.
7. the power consumption test device of automobile electronic control unit according to claim 6, which is characterized in that the host computer passes through
USB line or Serial Port Line are communicated with the current detecting unit.
8. the power consumption test device of automobile electronic control unit according to claim 1, which is characterized in that the power supply is
Accumulator or D.C. regulated power supply.
9. a kind of power consumption test system of automobile electronic control unit, which is characterized in that including：
Host computer；And
The power consumption test device of automobile electronic control unit according to any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610140501.9A CN105824305B (en) | 2016-03-11 | 2016-03-11 | The power consumption test device and system of automobile electronic control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610140501.9A CN105824305B (en) | 2016-03-11 | 2016-03-11 | The power consumption test device and system of automobile electronic control unit |
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| CN107885190B (en) * | 2017-11-15 | 2019-10-18 | 北京新能源汽车股份有限公司 | A kind of electric car function test system |
| CN107942133B (en) * | 2017-11-16 | 2020-12-29 | 南京农业大学 | Wireless power consumption detection system and method for autonomous navigation tractor electric control device |
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| WO2012124411A1 (en) * | 2011-03-14 | 2012-09-20 | オムロン株式会社 | Control device, control method, program, and recording medium |
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| CN101515176A (en) * | 2008-08-29 | 2009-08-26 | 郭春勇 | Detection device and detection method for electric control system |
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