CN108802632A - Fault detection method and device, fault detection system - Google Patents
Fault detection method and device, fault detection system Download PDFInfo
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- CN108802632A CN108802632A CN201810508678.9A CN201810508678A CN108802632A CN 108802632 A CN108802632 A CN 108802632A CN 201810508678 A CN201810508678 A CN 201810508678A CN 108802632 A CN108802632 A CN 108802632A
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- driving plate
- taillight
- led
- taillight driving
- electric parameter
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- 238000001514 detection method Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 claims abstract description 19
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- 108010001267 Protein Subunits Proteins 0.000 claims description 3
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- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 15
- 238000010586 diagram Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
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- 230000001737 promoting effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/44—Testing lamps
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Abstract
The invention discloses a kind of fault detection method and device, fault detection systems.Wherein, this method includes:Obtain the electric parameter of taillight driving plate output end, wherein electric parameter includes at least one of:Electric current, voltage;Fault detect is carried out to the Light-emitting diode LED in taillight driving plate according to electric parameter, wherein LED is multiple.The present invention solves and can not carry out fault detect in the related technology to railcar taillight and there is technical issues that.
Description
Technical field
The present invention relates to field of fault detection, in particular to a kind of fault detection method and device, fault detect system
System.
Background technology
In the related technology, the taillight design usually not fault detect of railcar and corresponding feedback, in train operation
Or it can be led in this way during shunting once taillight failure (for example, taillight cannot be lighted normally, or being unable to normal control) occurs
It causes passenger or operation personnel that can not judge or judge by accident state before and after vehicle, influences car operation, there are security risks.
Can not there are problems that security risk to the progress fault detect of railcar taillight in the related technology for above-mentioned,
Currently no effective solution has been proposed.
Invention content
An embodiment of the present invention provides a kind of fault detection method and device, fault detection systems, at least to solve correlation
Fault detect can not be carried out to railcar taillight and there is technical issues that in technology.
One side according to the ... of the embodiment of the present invention provides a kind of fault detection system, including:Taillight driving plate electric current
Detection circuit, the electric current for detecting taillight driving plate output end;Taillight driving plate voltage detecting circuit, for detecting the tail
The voltage of lamp driving plate output end;Feedback circuit is used for according to the electric current and the voltage to shining in taillight driving plate
Diode (LED) carries out fault detect, wherein the LED is multiple.
Optionally, above-mentioned fault detection system further includes:LED constant current circuit, for being input to the taillight driving plate
Electric current carry out current constant control.
Optionally, above-mentioned fault detection system further includes:Auxiliary power supply circuit, for being the relay in the feedback circuit
Device applies voltage.
Optionally, above-mentioned fault detection system further includes:Normally-closed contact, for the auxiliary power supply circuit be it is described after
In the case that electric appliance applies voltage, the transportation management system TMS of vehicle where output open circuit signal to the taillight driving plate,
In, the open circuit signaling indicates the LED failure in the taillight driving plate.
Optionally, the TMS includes:Display screen, for showing the open circuit signaling.
Another aspect according to the ... of the embodiment of the present invention, additionally provides a kind of fault detection method, including:Obtain taillight
The electric parameter of driving plate output end, wherein the electric parameter includes at least one of:Electric current, voltage;According to the electric parameter
Fault detect is carried out to the Light-emitting diode LED in the taillight driving plate, wherein the LED is multiple.
Optionally, before the electric parameter for obtaining the taillight driving plate output end, further include:It is described to being input to
The electric current of taillight driving plate carries out current constant control.
Optionally, carrying out fault detect to the LED in the taillight driving plate according to the electric parameter includes:By institute
State electric parameter to be compared with predetermined electric parameter, obtain comparison result, wherein the predetermined electric parameter include it is following at least it
One:Scheduled current, predetermined voltage, the scheduled current are 0;Fault detect is carried out to the LED according to the comparison result.
Optionally, carrying out fault detect to the LED according to the comparison result includes:It is described in the comparison result
In the case that the electric current of taillight driving plate output end is equal to the scheduled current, all LED in the taillight driving plate are determined
Break down;The case where the voltage that the comparison result is the taillight driving plate output end is less than the predetermined voltage
Under, determine the part LED failure in the taillight driving plate.
Optionally, after carrying out fault detect to the LED in the taillight driving plate according to the electric parameter, on
Stating fault detection method further includes:In the case of the LED failure on determining the taillight driving plate, open circuit is generated
Signal, wherein the open circuit signaling indicates the LED failure in the taillight driving plate;The open circuit signaling is sent out
The transportation management system TMS of vehicle where being sent to the taillight driving plate, wherein the TMS includes:Display, for showing
The open circuit signaling.
Another aspect according to the ... of the embodiment of the present invention, additionally provides a kind of failure detector, including:It obtains single
Member, the electric parameter for obtaining taillight driving plate output end, wherein the electric parameter includes at least one of:Electric current, electricity
Pressure;Detection unit, for carrying out fault detect to the Light-emitting diode LED in the taillight driving plate according to the electric parameter,
Wherein, the LED is multiple.
Optionally, above-mentioned failure detector further includes:Control unit, for obtaining the taillight driving plate output end
The electric parameter before, to be input to the taillight driving plate electric current carry out current constant control.
Optionally, the detection unit includes:Comparison subunit, for comparing the electric parameter and predetermined electric parameter
It is right, obtain comparison result, wherein the predetermined electric parameter includes at least one of:Scheduled current, predetermined voltage, it is described pre-
Constant current is 0;Detection sub-unit, for carrying out fault detect to the LED according to the comparison result.
Optionally, the detection sub-unit includes:First determining module, for being driven for the taillight in the comparison result
In the case that the electric current of movable plate output end is equal to the scheduled current, determine that all LED in the taillight driving plate occur
Failure;Second determining module, it is described predetermined for being less than in the voltage that the comparison result is the taillight driving plate output end
In the case of voltage, the part LED failure in the taillight driving plate is determined.
Optionally, above-mentioned failure detector further includes:Generation unit, for according to the electric parameter to the taillight
After the LED in driving plate carries out fault detect, the feelings of the LED failure on determining the taillight driving plate
Under condition, open circuit signaling is generated, wherein the open circuit signaling indicates the LED failure in the taillight driving plate;It sends
Unit, for the transportation management system TMS by the open-circuit signaling to taillight driving plate place vehicle, wherein institute
Stating TMS includes:Display, for showing the open circuit signaling.
Another aspect according to the ... of the embodiment of the present invention, additionally provides a kind of storage medium, the storage medium includes
The program of storage, wherein described program execute it is any one of above-mentioned described in fault detection method.
Another aspect according to the ... of the embodiment of the present invention, additionally provides a kind of processor, the processor is for running
Program, wherein described program run when execute it is any one of above-mentioned described in fault detection method.
In embodiments of the present invention, using the electric parameter for obtaining taillight driving plate output end, wherein electric parameter includes following
At least one:Electric current, voltage;Fault detect is carried out to the Light-emitting diode LED in taillight driving plate according to electric parameter, wherein
LED is multiple mode, and the fault detection method provided through the embodiment of the present invention may be implemented to carry out railcar taillight
The purpose of fault detect has reached the technique effect for promoting railcar safe operation, and then has solved and in the related technology can not
Fault detect is carried out to railcar taillight and there is technical issues that.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of fault detection system according to the ... of the embodiment of the present invention;
Fig. 2 is the schematic diagram of fault detection system according to embodiments of the present invention optionally;
Fig. 3 is the flow chart of fault detection method according to the ... of the embodiment of the present invention;And
Fig. 4 is the schematic diagram of failure detector according to the ... of the embodiment of the present invention.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
It includes to be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment to cover non-exclusive
Those of clearly list step or unit, but may include not listing clearly or for these processes, method, product
Or the other steps or unit that equipment is intrinsic.
For ease of description, the part noun or term that occur in the embodiment of the present invention are described in detail below:
Rigid line:It is the abbreviation of Wire Rod, refers to the higher Fine Steel Casting iron wire rod of phosphorus content, mainly for the production of carbon
Structure steel wire, steel bead wire, steel wire rope, spring, steel core twisted wire etc..
Dry contact:Refer to 2 kinds of states with open and close, there is no polarity between two contacts, can be interchanged.
Man-machine interface (Man-Machine Interface, abbreviation MMI):Also known as user interface or user interface are people
The medium and dialog interface that information is transmitted, exchanged between computer, are the important components of computer system.
Transportation management system (Transport Management System, abbreviation TMS):It is a kind of " supply chain " grouping
Under (network-based) operating software, can pass through a variety of methods and other it is relevant operation together improve logistics management energy
Power.
Light emitting diode (Light Emitting Diode, abbreviation LED):It is one kind of semiconductor diode, it can be
Electric energy is converted to luminous energy.
Embodiment 1
Due in the related technology, railcar taillight usually not failure checking functions in design, one in train operation
Denier taillight breaks down, it will influences the normal operation of vehicle, there are security risks.
To solve the above-mentioned problems, pass through integrated current detection circuit, electricity in Tail light for train driving plate in the present invention
The rigid line dry contact signal output for pressing detection circuit and malfunction, with make up in previous circuit design taillight fault message without
The defect that method is detected and reported, after avoiding taillight failure, the operation for being unable to timely processing is inconvenient, and then eliminates safe hidden trouble.Under
Face is described in detail.
One side according to the ... of the embodiment of the present invention, provides a kind of fault detection system, and Fig. 1 is implemented according to the present invention
The schematic diagram of the fault detection system of example, as shown in Figure 1, the fault detection system includes:Taillight driving plate current detection circuit
11, taillight driving plate voltage detecting circuit 13 and feedback circuit 15.The fault detection system is described in detail below.
Taillight driving plate current detection circuit 11, the electric current for detecting taillight driving plate output end.
Taillight driving plate voltage detecting circuit 13, the voltage for detecting taillight driving plate output end.
Feedback circuit 15, for carrying out failure inspection to the Light-emitting diode LED in taillight driving plate according to electric current and voltage
It surveys, wherein LED is multiple.
In the above-described embodiments, taillight driving plate current detection circuit can be utilized, for detecting the output of taillight driving plate
The electric current at end;Taillight driving plate voltage detecting circuit, the voltage for detecting taillight driving plate output end;Feedback circuit is used for
Fault detect is carried out to the Light-emitting diode LED in taillight driving plate according to electric current and voltage, wherein LED is multiple.Relative to
The taillight of railcar is designed without fault detect in the related technology, once taillight during train operation can be caused or shunt
It breaks down, passenger or operation personnel can not judge or judge by accident state before and after vehicle, and then influence car operation, and it is hidden to there is safety
The drawbacks of suffering from, the fault detection system provided through the embodiment of the present invention may be implemented to carry out fault detect to railcar taillight
Purpose, reached the technique effect for promoting railcar safe operation, and then solving in the related technology can not be to subway
Taillight carries out fault detect and there is technical issues that.
In order to enable the current detection circuit being integrated in taillight driving plate can preferably detect in taillight driving plate
Electric current and voltage, above-mentioned fault detection system can also include:LED constant current circuit, for being input to taillight driving plate
Electric current carries out current constant control.Specifically, LED constant current electricity is set between power input and taillight driving plate voltage detecting circuit
Road more stablizes to being input to the electric current in taillight driving plate voltage detecting circuit, improves taillight driving plate current detection circuit
And the accuracy of taillight driving plate voltage detecting circuit detection electric current and voltage.
As an embodiment optionally of the invention, above-mentioned fault detection system can also include:Auxiliary power supply circuit,
For applying voltage for the relay in feedback circuit.
In addition, above-mentioned fault detection system can also include:Normally-closed contact, for being applied for relay in auxiliary power supply circuit
In the case of alive, the transportation management system TMS of vehicle where output open circuit signal to taillight driving plate, wherein open circuit letter
Number indicate taillight driving plate on LED failure.
For example, when taillight driving plate is all opened a way, the auxiliary power supply circuit can be utilized to pressurize for relay coil, after
The actuation of electric appliance, normally-closed contact are in open-circuit condition, simultaneous faults detecting system meeting output open circuit signal to taillight driving plate institute
In the transportation management system TMS of vehicle, taillight driving plate is prompted to be in open-circuit condition.
In another example when the part LED in taillight driving plate opens a way or is short-circuit, can be using the auxiliary power supply circuit
Relay coil pressurizes, the actuation of relay, and normally-closed contact is in open-circuit condition, and simultaneous faults detecting system can output open circuit letter
Number to vehicle where taillight driving plate transportation management system TMS, prompt the part LED open circuits or short in taillight driving plate
Road.
In order to enable operation personnel or passenger can more intuitively learn the state of railcar taillight, above-mentioned TMS
May include:Display screen, for showing open circuit signaling.Wherein, which can be man-machine interface MMI, for showing taillight
Fault message.
Fault detection system provided in an embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
Fig. 2 is the schematic diagram of optional fault detection system according to embodiments of the present invention, as shown in Fig. 2, the fault detect
System is by LED constant current circuit U1, taillight driving plate current detection circuit, taillight driving plate voltage detecting circuit, feedback circuit, auxiliary
Help power supply circuit, vehicle network rigid line input module and vehicle network display screen (that is to say the display screen in context).Its
In, it is direct current 24V voltages for the working power that the fault detection system provides, taillight driving plate voltage detecting circuit can wrap
It includes:Zener diode ZD2, zener diode ZD3, resistance R4 and transistor Q3;Taillight driving plate current detection circuit can be with
Including:Transistor Q4, capacitance C4, resistance R7 and resistance R10 etc.;Feedback circuit may include:Resistance R3, resistance R5, resistance
R6, resistance R8, resistance R9, resistance R11, capacitance C2, capacitance C3, transistor Q5, relay K1;Auxiliary power supply circuit (that is to say
Feddback relay device auxiliary power supply circuit) may include:Diode D1, resistance R1, resistance R2, transistor Q1, zener diode
ZD1, diode D2, capacitance C1.
Specifically, when taillight driving plate is all opened a way, above-mentioned output end no current, transistor Q4 is disconnected, Q5 is connected, on
It states auxiliary power supply circuit and applies voltage on the coil of relay K1, relay K1 is attracted, and normally-closed contact is in open-circuit condition, is led to
Cross the display screen that open circuit signaling is output to vehicle network system by vehicle network rigid line input module;Portion in taillight driving plate
When dividing LED open circuits or short circuit, output end voltage is lower, and due to part LED failure, taillight driving plate voltage is electric less than predetermined
Pressure, transistor Q3 is disconnected, transistor Q2 is connected, and above-mentioned auxiliary power supply circuit applies voltage, relay on the coil of relay K1
Device K1 is attracted, and normally-closed contact is in open-circuit condition, open circuit signaling is output to vehicle net by vehicle network rigid line input module
The display screen of road system.
Embodiment 2
According to embodiments of the present invention, a kind of embodiment of the method for fault detection method is provided, it should be noted that attached
The step of flow of figure illustrates can execute in the computer system of such as a group of computer-executable instructions, though also,
So logical order is shown in flow charts, but in some cases, it can be with different from shown by sequence execution herein
Or the step of description.
Fig. 3 is the flow chart of fault detection method according to the ... of the embodiment of the present invention, as shown in figure 3, the fault detection method
Include the following steps:
Step S302 obtains the electric parameter of taillight driving plate output end, wherein electric parameter includes at least one of:Electricity
Stream, voltage.
It specifically, can be by integrating taillight driving plate current detection circuit and taillight driving plate electricity in taillight driving plate
Detection circuit is pressed, for obtaining the electric current and voltage of taillight driving plate output end.
Step S304 carries out fault detect, wherein LED according to electric parameter to the Light-emitting diode LED in taillight driving plate
It is multiple.
It in the above-described embodiments, can be by the electric parameter of acquisition taillight driving plate output end, according to electric parameter to taillight
Light-emitting diode LED in driving plate carries out fault detect.Taillight relative to railcar in the related technology is designed without
Fault detect, once taillight breaks down during leading to train operation or shunting, passenger or operation personnel can not judge or
The drawbacks of state before and after erroneous judgement vehicle, and then influence car operation, there are security risks, the event provided through the embodiment of the present invention
Barrier detection method may be implemented to carry out railcar taillight the purpose of fault detect, reach promotion railcar safe operation
Technique effect, and then solve in the related technology can not to railcar taillight carry out fault detect and there are security risks
Technical problem.
As an optional embodiment of the present invention, in order to enable the current detection circuit energy being integrated in taillight driving plate
Enough electric currents and voltage preferably detected in taillight driving plate, before the electric parameter for obtaining taillight driving plate output end, on
Stating fault detection method can also include:Electric current to being input to taillight driving plate carries out current constant control.Specifically, pass through input
Electric current to taillight driving plate carries out current constant control, can make the electric current being input in taillight driving plate voltage detecting circuit more
Stablize, improves the standard of taillight driving plate current detection circuit and taillight driving plate voltage detecting circuit detection electric current and voltage
True property.
In above-mentioned steps S304, carrying out fault detect to the LED in taillight driving plate according to electric parameter may include:It will
Electric parameter is compared with predetermined electric parameter, obtains comparison result, wherein predetermined electric parameter includes at least one of:It is predetermined
Electric current, predetermined voltage, scheduled current 0;Fault detect is carried out to LED according to comparison result.
Specifically, carrying out fault detect to LED according to comparison result includes:It is taillight driving plate output end in comparison result
Electric current be equal to scheduled current in the case of, determine that all LED in taillight driving plate break down;It is tail in comparison result
In the case that the voltage of lamp driving plate output end is less than predetermined voltage, the part LED failure in taillight driving plate is determined.
For example, when taillight driving plate is all opened a way, auxiliary power supply circuit can be utilized to pressurize for relay coil, relay
The actuation of device, normally-closed contact are in open-circuit condition, simultaneous faults detecting system meeting output open circuit signal to taillight driving plate place
The transportation management system TMS of vehicle prompts taillight driving plate to be in open-circuit condition.
In another example when in taillight driving plate part LED open circuit or short circuit when, can utilize auxiliary power supply circuit be after
Electric apparatus coil pressurizes, the actuation of relay, and normally-closed contact is in open-circuit condition, and simultaneous faults detecting system can output open circuit signal
To the transportation management system TMS of vehicle where taillight driving plate, part LED open circuits or the short circuit in taillight driving plate are prompted.
In order to enable operation personnel or passenger can more intuitively learn the state of railcar taillight, according to electricity
After parameter carries out fault detect to the LED in taillight driving plate, above-mentioned fault detection method can also include:Determining taillight
In the case of LED failure in driving plate, open circuit signaling is generated, wherein open circuit signaling indicates the LED in taillight driving plate
It breaks down;By the transportation management system TMS of vehicle where open-circuit signaling to taillight driving plate, wherein TMS includes:It is aobvious
Show device, for showing open circuit signaling.
Embodiment 3
The embodiment of the present invention additionally provides a kind of failure detector, it should be noted that the failure of the embodiment of the present invention
Detection device can be used for executing the fault detection method that the embodiment of the present invention is provided.Below to provided in an embodiment of the present invention
Failure detector is introduced.
Fig. 4 is the schematic diagram of failure detector according to the ... of the embodiment of the present invention, as shown in figure 4, fault detect decoration
Including:Acquiring unit 41 and detection unit 43.The failure detector is described in detail below.
Acquiring unit 41, the electric parameter for obtaining taillight driving plate output end, wherein electric parameter include it is following at least it
One:Electric current, voltage.
Detection unit 43 is connect with above-mentioned acquiring unit 41, is used for according to electric parameter to luminous two in taillight driving plate
Pole pipe LED carries out fault detect, wherein LED is multiple.
In the above-described embodiments, acquiring unit may be used, the electric parameter for obtaining taillight driving plate output end,
In, electric parameter includes at least one of:Electric current, voltage;Detection unit is used for according to electric parameter to the hair in taillight driving plate
Optical diode LED carries out fault detect, wherein LED is multiple.Taillight relative to railcar in the related technology does not have when designing
Faulty detection, once taillight breaks down during leading to train operation or shunting, passenger or operation personnel can not judge
Or state before and after erroneous judgement vehicle, and then car operation is influenced, it the drawbacks of there are security risks, provides through the embodiment of the present invention
Failure detector may be implemented to carry out railcar taillight the purpose of fault detect, has reached promotion railcar and has transported safely
Capable technique effect, so solve in the related technology can not to railcar taillight carry out fault detect and there are security risks
The technical issues of.
As an optional embodiment of the present invention, above-mentioned failure detector can also include:Control unit is used for
Before the electric parameter for obtaining taillight driving plate output end, the electric current to being input to taillight driving plate carries out current constant control.
As an optional embodiment of the present invention, above-mentioned detection unit may include:Comparison subunit, for joining electricity
Amount is compared with predetermined electric parameter, obtains comparison result, wherein predetermined electric parameter includes at least one of:Scheduled current,
Predetermined voltage, scheduled current 0;Detection sub-unit, for carrying out fault detect to LED according to comparison result.
As an optional embodiment of the present invention, above-mentioned detection sub-unit may include:First determining module is used for
Comparison result is to be determined all in taillight driving plate in the case that the electric current of taillight driving plate output end is equal to scheduled current
LED breaks down;Second determining module, for being less than predetermined voltage in the voltage that comparison result is taillight driving plate output end
In the case of, determine the part LED failure in taillight driving plate.
As an optional embodiment of the present invention, above-mentioned failure detector can also include:Generation unit is used for
After fault detect being carried out according to electric parameter to the LED in taillight driving plate, the LED failure on determining taillight driving plate
In the case of, generate open circuit signaling, wherein open circuit signaling indicates the LED failure in taillight driving plate;Transmission unit is used
The transportation management system TMS of vehicle where by open-circuit signaling to taillight driving plate, wherein TMS includes:Display is used
In display open circuit signaling.
Above-mentioned failure detector can also include processor and memory, above-mentioned acquiring unit 41 and detection unit
43 etc. are used as program unit storage in memory, and above procedure unit stored in memory is executed Lai real by processor
Now corresponding function.
Include kernel in above-mentioned processor, is gone in memory to transfer corresponding program unit by kernel.Kernel can be arranged
One or more is come to carry out failure to the Light-emitting diode LED in taillight driving plate according to electric parameter by adjusting kernel parameter
Detection.
Above-mentioned memory may include the volatile memory in computer-readable medium, random access memory
(RAM) and/or the forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM), memory includes extremely
A few storage chip.
Another aspect according to the ... of the embodiment of the present invention, additionally provides a kind of storage medium, and storage medium includes storage
Program, wherein program executes any one of above-mentioned fault detection method.
Another aspect according to the ... of the embodiment of the present invention additionally provides a kind of processor, and processor is used to run program,
Wherein, any one of above-mentioned fault detection method is executed when program is run.
A kind of equipment is additionally provided in embodiments of the present invention, which includes processor, memory and be stored in storage
On device and the program that can run on a processor, processor realize following steps when executing program:It is defeated to obtain taillight driving plate
The electric parameter of outlet, wherein electric parameter includes at least one of:Electric current, voltage;According to electric parameter in taillight driving plate
Light-emitting diode LED carries out fault detect, wherein LED is multiple.
A kind of computer program product is additionally provided in embodiments of the present invention, when being executed on data processing equipment,
It is adapted for carrying out the program of initialization there are as below methods step:Obtain the electric parameter of taillight driving plate output end, wherein electric parameter packet
Include at least one of:Electric current, voltage;Fault detect is carried out to the Light-emitting diode LED in taillight driving plate according to electric parameter,
Wherein, LED is multiple.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
In the above embodiment of the present invention, all emphasizes particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, for example, the unit division, Ke Yiwei
A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
It connects, can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
On unit.Some or all of unit therein can be selected according to the actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes:USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (17)
1. a kind of fault detection system, which is characterized in that including:
Taillight driving plate current detection circuit, the electric current for detecting taillight driving plate output end;
Taillight driving plate voltage detecting circuit, the voltage for detecting the taillight driving plate output end;
Feedback circuit, for carrying out failure to the Light-emitting diode LED in taillight driving plate according to the electric current and the voltage
Detection, wherein the LED is multiple.
2. system according to claim 1, which is characterized in that further include:LED constant current circuit, for described to being input to
The electric current of taillight driving plate carries out current constant control.
3. system according to claim 1, which is characterized in that further include:Auxiliary power supply circuit, for being feedback electricity
Relay in road applies voltage.
4. system according to claim 3, which is characterized in that further include:Normally-closed contact, in auxiliary power supply electricity
Road is the transportation management of vehicle where output open circuit signal to the taillight driving plate in the case that the relay applies voltage
System TMS, wherein the open circuit signaling indicates the LED failure in the taillight driving plate.
5. system according to claim 4, which is characterized in that the TMS includes:Display screen, for showing the open circuit
Signal.
6. a kind of fault detection method, which is characterized in that including:
Obtain the electric parameter of taillight driving plate output end, wherein the electric parameter includes at least one of:Electric current, voltage;
Fault detect is carried out to the Light-emitting diode LED in the taillight driving plate according to the electric parameter, wherein the LED
It is multiple.
7. according to the method described in claim 6, it is characterized in that, in the electricity ginseng for obtaining the taillight driving plate output end
Before amount, further include:Electric current to being input to the taillight driving plate carries out current constant control.
8. according to the method described in claim 6, it is characterized in that, according to the electric parameter to the institute in the taillight driving plate
Stating LED progress fault detects includes:
The electric parameter is compared with predetermined electric parameter, obtains comparison result, wherein the predetermined electric parameter includes following
At least one:Scheduled current, predetermined voltage, the scheduled current are 0;
Fault detect is carried out to the LED according to the comparison result.
9. according to the method described in claim 8, it is characterized in that, carrying out failure inspection to the LED according to the comparison result
Survey includes:
In the case where the electric current that the comparison result is the taillight driving plate output end is equal to the scheduled current, institute is determined
All LED stated in taillight driving plate break down;
In the case where the voltage that the comparison result is the taillight driving plate output end is less than the predetermined voltage, institute is determined
State the part LED failure in taillight driving plate.
10. according to the method described in claim 6, it is characterized in that, according to the electric parameter in the taillight driving plate
The LED carry out fault detect after, further include:
In the case of the LED failure on determining the taillight driving plate, open circuit signaling is generated, wherein described to open
Road signal indicates the LED failure in the taillight driving plate;
By the transportation management system TMS of vehicle where the open-circuit signaling to the taillight driving plate, wherein the TMS
Including:Display, for showing the open circuit signaling.
11. a kind of failure detector, which is characterized in that including:
Acquiring unit, the electric parameter for obtaining taillight driving plate output end, wherein the electric parameter include it is following at least it
One:Electric current, voltage;
Detection unit, for carrying out fault detect to the Light-emitting diode LED in the taillight driving plate according to the electric parameter,
Wherein, the LED is multiple.
12. according to the devices described in claim 11, which is characterized in that further include:Control unit, for obtaining the taillight
Before the electric parameter of driving plate output end, the electric current to being input to the taillight driving plate carries out current constant control.
13. according to the devices described in claim 11, which is characterized in that the detection unit includes:
Comparison subunit obtains comparison result, wherein described pre- for the electric parameter to be compared with predetermined electric parameter
It includes at least one of to determine electric parameter:Scheduled current, predetermined voltage, the scheduled current are 0;
Detection sub-unit, for carrying out fault detect to the LED according to the comparison result.
14. device according to claim 13, which is characterized in that the detection sub-unit includes:
First determining module, for being equal to the predetermined electricity in the electric current that the comparison result is the taillight driving plate output end
In the case of stream, determine that all LED in the taillight driving plate break down;
Second determining module, for being less than the predetermined electricity in the voltage that the comparison result is the taillight driving plate output end
In the case of pressure, the part LED failure in the taillight driving plate is determined.
15. according to the devices described in claim 11, which is characterized in that further include:
Generation unit is used for after carrying out fault detect to the LED in the taillight driving plate according to the electric parameter,
In the case of the LED failure on determining the taillight driving plate, open circuit signaling is generated, wherein the open circuit letter
Number indicate the LED failure in the taillight driving plate;
Transmission unit is used for the transportation management system TMS of vehicle where the open-circuit signaling to the taillight driving plate,
Wherein, the TMS includes:Display, for showing the open circuit signaling.
16. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein described program right of execution
Profit requires the fault detection method described in any one of 6 to 10.
17. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run
Profit requires the fault detection method described in any one of 6 to 10.
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