CN102928732A - Line diagnostic apparatus and line diagnostic method - Google Patents
Line diagnostic apparatus and line diagnostic method Download PDFInfo
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- CN102928732A CN102928732A CN2012104473734A CN201210447373A CN102928732A CN 102928732 A CN102928732 A CN 102928732A CN 2012104473734 A CN2012104473734 A CN 2012104473734A CN 201210447373 A CN201210447373 A CN 201210447373A CN 102928732 A CN102928732 A CN 102928732A
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Abstract
The invention provides a line diagnostic apparatus which is used for line diagnosis of engineering machinery. The line diagnostic apparatus comprises a storage unit, a reading unit, a detection unit and a display unit, wherein the storage unit is used for storing line arrangement information of at least one kind of engineering machinery, the reading unit can read line arrangement information corresponding to current to-be-tested engineering machinery for the storage unit according to input orders of an operator and can choose current to-be-tested wiring harness information from line arrangement information of current to-be-tested engineering machinery according to input orders of the operator, the detection unit can detect a current to-be-tested wiring harness according to the current to-be-tested wiring harness information to obtain detection results, and the display unit is used for analyzing the detection results to generate diagnosis results and displaying the diagnosis results. By means of the line diagnostic apparatus, wiring harness faults of engineering machinery can be quickly and efficiently diagnosed in construction sites. The invention further provides a line diagnostic method.
Description
Technical field
The present invention relates to the line diagnosis technical field, in particular to a kind of line diagnosis instrument and a kind of line diagnosis method.
Background technology
Engineering machinery, each electric components of its electrical system are arranged in the car load whole body everywhere, and these parts are connected with the center-control parts by wire harness, form a complete electrical system, and its wire harness is huge and complicated.But the engineering machinery working environment may be quite abominable, causes all kinds of wire harness faults again and again to occur, and greatly reduced operating efficiency.Existing Circuit fault diagnosis judges by operating personnel's experience that mostly diagnosis speed is slow, accuracy is low, can't satisfy the efficient construction requirement of engineering machinery.Especially more outstanding in this problem performance of concrete mixer.
Therefore, how can realize the rapidly and efficiently diagnosis of working-yard engineering machinery wire harness fault, be the technical matters that those skilled in the art need solution badly.
Summary of the invention
Technical matters to be solved by this invention is, a kind of line diagnosis instrument is provided, and can realize the rapidly and efficiently diagnosis of working-yard engineering machinery wire harness fault.
In view of this, the invention provides a kind of line diagnosis instrument, be used for the line diagnosis of engineering machinery, described line diagnosis instrument comprises: storage unit, for the line arrangement information of storing at least a engineering machinery; Reading unit, from described storage unit, read line arrangement information corresponding to current engineering machinery to be detected according to operator's input instruction, and the information of in the line arrangement information of described current engineering machinery to be detected, selecting current wire harness to be detected according to operator's input instruction; Detecting unit detects and obtains testing result according to the information of described current wire harness to be detected to described current wire harness to be detected; Display unit is used for resolving described testing result and generates diagnostic result, and shows described diagnostic result.
In this technical scheme, the line arrangement information of engineering machinery is stored in the line diagnosis instrument, when needs carry out line diagnosis to engineering machinery, can learn the current deployment scenarios for the treatment of the diagnostics lines road according to canned data in the line diagnosis instrument, thereby this section circuit is detected, and then the resolved detection result obtains diagnostic result and shows; Adopt the line diagnosis instrument in this technical scheme, can realize the segmentation detection to the circuit of engineering machinery, by successively every section circuit being detected, only needing to select corresponding line information in storage unit can detect for the concrete condition of line arrangement, thereby can detect concrete fault wire highway section, with respect to passing through technician's micro-judgment fault in the correlation technique, effectively improved the accuracy of fault detect, improved the efficient of fault detect.
Preferably, described detecting unit comprises the detection of described wire harness to be detected and detects at least a in the following malfunction: circuit open circuit, shorted to earth, to short circuit between power supply short circuit and circuit.In this technical scheme, the measuring ability of four kinds of faults can be integrated in the line diagnosis instrument among the present invention, can realize by a line diagnosis instrument detection of four kinds of faults, improved fault detect efficient.
Preferably, described display unit also is used for showing line arrangement information corresponding to described current engineering machinery to be detected, described current wire harness information to be detected.In this technical scheme, by line arrangement information and current wire harness information to be detected are shown, make the operator can see more intuitively the line arrangement situation of current engineering machinery and wire harness deployment scenarios to be detected, more directly perceived, vivid, and testing result shown can make the operator obtain more easily testing result, handled easily personnel judge failure message.
Preferably, described detecting unit also is used for generating failure code according to the detection to described wire harness to be detected, and described failure code is transported to described display unit; And described display unit also is used for described failure code is resolved to generate corresponding diagnostic result.In this technical scheme, can set in advance different failure codes is associated with the different faults state of wire harness to be detected, detecting unit can generate corresponding failure code according to the malfunction that detects, then failure code is transferred to display unit, display unit is resolved the failure code that receives again generating diagnostic result and to show, failure message is checked and is judged thereby further facilitate operating personnel.
Preferably, described line diagnosis instrument also comprises: selected cell is used for treating the detection wire harness according to operator's input Instruction Selection and automatically detects or manually detect; And described detecting unit detects automatically one by one to every circuit in the described wire harness to be detected when selecting automatically to detect, and described detecting unit only detects the circuit that the operator selects in described wire harness to be detected when selecting manually to detect.In this technical scheme, the line diagnosis instrument is supported automatic diagnosis and manually diagnoses two kinds of diagnostic modes that operating personnel can select diagnostic mode according to actual needs neatly.
Preferably, described line diagnosis instrument also comprises electric battery, is used to described line diagnosis instrument that electric energy is provided; Perhaps, described line diagnosis instrument is connected to the battery pack of described engineering machinery to be detected, provides electric energy by described battery pack for described line diagnosis instrument.In this technical scheme, the line diagnosis instrument can carry electric battery, and the battery pack that also can be connected to engineering machinery to be detected is obtained electric energy, for example can power by the battery pack that the V dc power plug is connected to car load.
Preferably, described line diagnosis instrument is used for the line diagnosis of concrete mixer, and described reading unit specifically is used for: chassis version, exchange system type and the jib type of the pump truck to be detected of selecting according to the operator determined the line arrangement information that described pump truck to be detected is corresponding and read.In this technical scheme, the line arrangement mode of chassis version, exchange system type and three parameters of jib type by pump truck to be detected in can unique definite pump truck, then can obtain the concrete condition of circuit to be detected according to the line arrangement information of storing in the storage unit, detect thereby treat detection line.
The present invention also provides a kind of line diagnosis method, is used for the line diagnosis of engineering machinery, and described line diagnosis method comprises: the line arrangement information of storing at least a engineering machinery; According to operator's input instruction, read line arrangement information corresponding to current engineering machinery to be detected, and the information of in the line arrangement information of described current engineering machinery to be detected, selecting current wire harness to be detected according to operator's input instruction; Information according to described current wire harness to be detected detects to obtain testing result to described current wire harness to be detected, resolves described testing result and generates diagnostic result, and show described diagnostic result.In this technical scheme, the line arrangement information of engineering machinery is stored, when needs carry out line diagnosis to engineering machinery, can learn the current deployment scenarios for the treatment of the diagnostics lines road according to canned data, thereby this section circuit is detected, and then the resolved detection result obtains diagnostic result and shows; Adopt the line diagnosis method in this technical scheme, can realize the segmentation detection to the circuit of engineering machinery, by successively every section circuit being detected, only need select corresponding line information can detect for the concrete condition of line arrangement, thereby can detect concrete fault wire highway section, with respect to passing through technician's micro-judgment fault in the correlation technique, effectively improved the accuracy of fault detect, improved the efficient of fault detect.
Preferably, the detection of described wire harness to be detected is comprised detect at least a in the following malfunction: circuit open circuit, shorted to earth, to short circuit between power supply short circuit and circuit.In this technical scheme, the measuring ability of four kinds of faults is integrated in the line diagnosis instrument among the present invention, can realize the detection of four kinds of faults, improved fault detect efficient.
Preferably, described line diagnosis method also comprises: show line arrangement information corresponding to described current engineering machinery to be detected, described current wire harness to be detected.In this technical scheme, by line arrangement information and current wire harness information to be detected are shown, make the operator can see more intuitively the line arrangement situation of current engineering machinery and wire harness deployment scenarios to be detected, more directly perceived, vivid, and testing result shown can make the operator obtain more easily testing result, handled easily personnel judge failure message.
In sum, by the present invention the line arrangement information of engineering machinery is stored in the line diagnosis instrument, when needs carry out line diagnosis to engineering machinery, can learn the current deployment scenarios for the treatment of the diagnostics lines road according to canned data in the line diagnosis instrument, thereby this section circuit is detected; Adopt the line diagnosis instrument in this technical scheme, can realize the segmentation detection to the circuit of engineering machinery, by successively every section circuit being detected, only need select corresponding line information can detect for the concrete condition of line arrangement, thereby can detect concrete fault wire highway section, with respect to passing through technician's micro-judgment fault in the correlation technique, effectively improved the accuracy of fault detect, improved the efficient of fault detect; And can be to circuit open circuit, shorted to earth, four kinds of faults of short circuit between power supply short circuit and circuit are detected, easy to use.
Description of drawings
Fig. 1 shows the according to an embodiment of the invention block diagram of line diagnosis instrument;
Fig. 2 shows the according to an embodiment of the invention structural drawing of line diagnosis instrument;
Fig. 3 shows the according to an embodiment of the invention process flow diagram of line diagnosis method.
Embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments the present invention is further described in detail.
A lot of details have been set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not subjected to the restriction of following public specific embodiment.
The present invention will be further described below in conjunction with drawings and Examples.Need to prove that in the situation of not conflicting, the application's embodiment and the feature among the embodiment can make up mutually.
As shown in Figure 1, the line diagnosis instrument 100 among the present invention, for the line diagnosis of engineering machinery, this line diagnosis instrument 100 comprises: storage unit 102, for the line arrangement information of storing at least a engineering machinery; Reading unit 104, from storage unit 102, read line arrangement information corresponding to current engineering machinery to be detected according to operator's input instruction, and the information of in the line arrangement information of current engineering machinery to be detected, selecting current wire harness to be detected according to operator's input instruction; Detecting unit 106 detects and obtains testing result according to the information of current wire harness to be detected to current wire harness to be detected; Display unit 110 is used for the resolved detection result and generates diagnostic result, and shows diagnostic result.
The line arrangement information of engineering machinery is stored in the line diagnosis instrument 100, when needs carry out line diagnosis to engineering machinery, can learn the current deployment scenarios for the treatment of the diagnostics lines road according to canned data in the line diagnosis instrument 100, thereby this section circuit is detected, and then the resolved detection result obtains diagnostic result and shows; Adopt the line diagnosis instrument 100 in this technical scheme, can realize the segmentation detection to the circuit of engineering machinery, by successively every section circuit being detected, only needing to select corresponding line information in storage unit 102 can detect for the concrete condition of line arrangement, thereby can detect concrete fault wire highway section, with respect to passing through technician's micro-judgment fault in the correlation technique, effectively improved the accuracy of fault detect, improved the efficient of fault detect.
Preferably, detecting unit 106 is treated the detection that detects wire harness and is comprised and detect at least a in the following malfunction: circuit open circuit, shorted to earth, to short circuit between power supply short circuit and circuit.In this technical scheme, the measuring ability of four kinds of faults can be integrated in the line diagnosis instrument 100 among the present invention, can realize by a line diagnosis instrument 100 detection of four kinds of faults, improved fault detect efficient.Wherein, be existing knowledge in the correlation technique to certain fault detect how specifically, do not repeat them here.
Preferably, display unit 110 also is used for showing line arrangement information corresponding to current engineering machinery to be detected, current wire harness information to be detected.By line arrangement information and current wire harness information to be detected are shown, make the operator can see more intuitively the line arrangement situation of current engineering machinery and wire harness deployment scenarios to be detected, more directly perceived, vivid, and testing result shown can make the operator obtain more easily testing result, handled easily personnel judge failure message.
Preferably, detecting unit 106 also is used for generating failure code according to treating the detection that detects wire harness, and failure code is transported to display unit 110; And display unit 110 also is used for failure code is resolved to generate corresponding diagnostic result.Can set in advance different failure codes is associated with the different faults state of wire harness to be detected, detecting unit 106 can generate corresponding failure code according to the malfunction that detects, then failure code is transferred to display unit 110, display unit 110 is resolved the failure code that receives again generating diagnostic result, failure message is checked and is judged thereby further facilitate operating personnel.
Failure code such as the circuit open circuit that sets in advance is K500, so when detecting unit 106 detects the circuit open circuit of wire harness to be detected, then generate failure code K500 and this failure code is transferred to display unit 110, display unit is resolved " K500 ", obtaining diagnostic result is the circuit open circuit of wire harness to be detected, then shows the circuit open circuit of wire harness to be detected.
Preferably, line diagnosis instrument 100 also comprises: selected cell 112 is used for treating the detection wire harness according to operator's input Instruction Selection and automatically detects or manually detect; And detecting unit 106 is treated every intrafascicular circuit of detection line and is automatically detected one by one when selecting automatically to detect, and detecting unit 106 only detects the circuit that the operator selects in wire harness to be detected when selecting manually to detect.Line diagnosis instrument 100 is supported automatic diagnosis and manually diagnoses two kinds of diagnostic modes that operating personnel can select diagnostic mode according to actual needs neatly.
For example when operating personnel do not connect fully to failure message, can adopt the mode of automatic diagnosis, diagnose successively by the circuit in 106 pairs of wire harness of detecting unit; When operating personnel have to a certain degree judgement to failure message, can select the manually mode of diagnosis, diagnose for the circuit that most probable breaks down.By selecting neatly automatic diagnosis or manually diagnosis, can make the diagnosis efficiency maximization.
Preferably, line diagnosis instrument 100 also comprises electric battery 114, is used to line diagnosis instrument 100 that electric energy is provided; Perhaps, line diagnosis instrument 100 is connected to the battery pack of engineering machinery to be detected, provides electric energy by battery pack for line diagnosis instrument 100.Line diagnosis instrument 100 can carry electric battery 114, and the battery pack that also can be connected to engineering machinery to be detected is obtained electric energy, for example can power by the battery pack that the 24V dc power plug is connected to car load.
In a kind of embodiment, line diagnosis instrument 100 can be used for the line diagnosis of concrete mixer, and this moment, reading unit 104 specifically was used for: chassis version, exchange system type and the jib type of the pump truck to be detected of selecting according to the operator determined the line arrangement information that pump truck to be detected is corresponding and read.The line arrangement mode of chassis version, exchange system type and three parameters of jib type by pump truck to be detected in can unique definite pump truck, then can obtain the concrete condition of circuit to be detected according to the line arrangement information of storage in the storage unit 102, detect thereby treat detection line.
Diagnostic equipment provided by the present invention, its display screen is accompanied with keyboard and all kinds of pump truck wire harness database, by keyboard relevant parameter being set calls relation line beam data storehouse and selects wire harness to be measured, and select type of detection (automatically detect or manually detect), then selection result and correlation parameter are passed to controller by the CAN bus.Controller I/O port patches wire harness by counterpart and connects circuit to be checked.When the sense command that receives display screen and parameter, call corresponding detection algorithm and detect, and testing result is passed to the display screen demonstration by the CAN bus.This diagnostic equipment can carry out segmentation to circuit take connector as node and detect, detect circuit open circuit, shorted to earth, to short trouble state between power supply short circuit, circuit, diagnosis speed is fast, accuracy rate of diagnosis is high, can be effectively applied in the middle of the Circuit fault diagnosis of engineering machinery.
Fig. 2 shows the according to an embodiment of the invention structural drawing of line diagnosis instrument.
As shown in Figure 2, line diagnosis instrument 100 as shown in Figure 1 comprises that controller 204, display screen 202, counterpart patch wire harness, 24V dc power plug, its middle controller 204 carries out exchanges data with display screen by the CAN bus, controller 204 patches wire harness with wire harness to be checked by counterpart and docks, and diagnostic equipment extracts required work electricity consumption by the 24V dc power plug from car load.
Use it for the fault diagnosis of pump truck, the implementation job step is:
(1) diagnostic equipment 24V dc power plug is connected the car load power supply, and controller 204 enters holding state, and display screen 202 enters initial parameter the page is set;
(2) the diagnostic equipment diagnostic port is patched wire harness by counterpart and be connected with wire harness to be checked, according to display screen 202 initial parameters page prompts is set pump truck to be checked chassis, exchange system, arm support shape parameter are set;
(3) circuit that enters display screen 202 selects the page to select the wire bundle plug-in connector corresponding with wire harness to be checked, returns homepage after chosen successfully to select detection mode (automatically detecting/manually detection);
(4) controller 204 receives and calls corresponding trace routine behind display screen 202 correlation parameters and detect, and fault number is sent to display screen 202;
(5) display screen 202 resolve fault number and show fault diagnosis result.
In the present embodiment, can be with the detecting unit 106 among Fig. 1 as controller 204, power acquisition all is integrated in the display 202 with the accumulator on the pump truck, remaining part, but obviously also can with other component integration outside the display unit 110 in controller 204, repeat no more.
Line arrangement information corresponding to different model that line diagnosis instrument among the present invention can be stored various engineering machinery and store every kind of engineering machinery, thereby go for different engineering machinery, only need the line arrangement information in the corresponding engineering machinery is stored in the line diagnosis instrument, can realize the diagnosis to various different engineering machinery, use applied widely.
The present invention also provides a kind of line diagnosis method, is used for the line diagnosis of engineering machinery, and the line diagnosis method comprises: the line arrangement information of storing at least a engineering machinery; According to operator's input instruction, read line arrangement information corresponding to current engineering machinery to be detected, and the information of in the line arrangement information of current engineering machinery to be detected, selecting current wire harness to be detected according to operator's input instruction; Information according to current wire harness to be detected detects current wire harness to be detected, and testing result is shown.
The line arrangement information of engineering machinery is stored, when needs carry out line diagnosis to engineering machinery, can learn the current deployment scenarios for the treatment of the diagnostics lines road according to canned data, thereby this section circuit is detected and testing result is shown; Adopt the line diagnosis method in this technical scheme, can realize the segmentation detection to the circuit of engineering machinery, by successively every section circuit being detected, only need select corresponding line information can detect for the concrete condition of line arrangement, thereby can detect concrete fault wire highway section, with respect to passing through technician's micro-judgment fault in the correlation technique, effectively improved the accuracy of fault detect, improved the efficient of fault detect.
Preferably, treating the detection that detects wire harness comprises and detects at least a in the following malfunction: circuit open circuit, shorted to earth, to short circuit between power supply short circuit and circuit.The measuring ability of four kinds of faults is integrated in the line diagnosis instrument among the present invention, can realizes the detection of four kinds of faults, improved fault detect efficient.Wherein, be existing knowledge in the correlation technique to certain fault detect how specifically, do not repeat them here.
Preferably, the line diagnosis method also comprises: show line arrangement information corresponding to current engineering machinery to be detected, current wire harness to be detected.By line arrangement information and current wire harness information to be detected are shown, make the operator can see more intuitively the line arrangement situation of current engineering machinery and wire harness deployment scenarios to be detected, more directly perceived, vivid, and testing result shown can make the operator obtain more easily testing result, handled easily personnel judge failure message.
Fig. 3 shows the according to an embodiment of the invention process flow diagram of line diagnosis method.
As shown in Figure 3, the line diagnosis method comprises according to an embodiment of the invention:
(wire harness has some circuits, and the corresponding port of each wire harness need to detect the port of each wiring of wire harness during detection)
In sum, by the present invention the line arrangement information of engineering machinery is stored in the line diagnosis instrument, when needs carry out line diagnosis to engineering machinery, can learn the current deployment scenarios for the treatment of the diagnostics lines road according to canned data in the line diagnosis instrument, thereby this section circuit is detected; Adopt the line diagnosis instrument in this technical scheme, can realize the segmentation detection to the circuit of engineering machinery, by successively every section circuit being detected, only need select corresponding line information can detect for the concrete condition of line arrangement, thereby can detect concrete fault wire highway section, with respect to passing through technician's micro-judgment fault in the correlation technique, effectively improved the accuracy of fault detect, improved the efficient of fault detect; And can be to circuit open circuit, shorted to earth, four kinds of faults of short circuit between power supply short circuit and circuit are detected, easy to use.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a line diagnosis instrument (100) is used for the line diagnosis of engineering machinery, it is characterized in that, comprising:
Storage unit (102) is for the line arrangement information of storing at least a engineering machinery;
Reading unit (104), line arrangement information corresponding to current engineering machinery to be detected is read in input instruction according to the operator from described storage unit (102), and the information of selecting current wire harness to be detected according to operator's input instruction in the line arrangement information of described current engineering machinery to be detected;
Detecting unit (106) detects and obtains testing result according to the information of described current wire harness to be detected to described current wire harness to be detected;
Display unit (110) is used for resolving described testing result and generates diagnostic result, and shows described diagnostic result.
2. line diagnosis instrument according to claim 1 (100) is characterized in that, described detecting unit (106) comprises the detection of described wire harness to be detected and detects at least a in the following malfunction:
Circuit open circuit, shorted to earth, to short circuit between power supply short circuit and circuit.
3. line diagnosis instrument according to claim 1 (100) is characterized in that, described display unit (110) also is used for showing line arrangement information corresponding to described current engineering machinery to be detected, described current wire harness information to be detected.
4. line diagnosis instrument according to claim 1 (100) is characterized in that:
Described detecting unit (106) also is used for generating failure code according to the detection to described wire harness to be detected, and described failure code is transferred to described display unit (110); And
Described display unit (110) also is used for described failure code is resolved to generate corresponding diagnostic result.
5. line diagnosis instrument according to claim 1 (100) is characterized in that, also comprises:
Selected cell (112) is used for treating the detection wire harness according to operator's input Instruction Selection and automatically detects or manually detect; And,
Described detecting unit (106) detects automatically one by one to every circuit in the described wire harness to be detected when selecting automatically to detect, and described detecting unit (106) only detects the circuit that the operator selects in described wire harness to be detected when selecting manually to detect.
6. line diagnosis instrument according to claim 1 (100) is characterized in that:
Described line diagnosis instrument (100) also comprises electric battery (114), is used to described line diagnosis instrument (100) that electric energy is provided; Perhaps,
Described line diagnosis instrument (100) is connected to the battery pack of described engineering machinery to be detected, is that described line diagnosis instrument (100) provides electric energy by described battery pack.
7. each described line diagnosis instrument (100) in 6 according to claim 1 is characterized in that described line diagnosis instrument (100) is used for the line diagnosis of concrete mixer, and described reading unit (104) specifically is used for:
Chassis version, exchange system type and the jib type of the pump truck to be detected of selecting according to the operator determined the line arrangement information that described pump truck to be detected is corresponding and read.
8. line diagnosis method is used for the line diagnosis of engineering machinery, it is characterized in that, comprising:
Store the line arrangement information of at least a engineering machinery;
According to operator's input instruction, read line arrangement information corresponding to current engineering machinery to be detected, and the information of in the line arrangement information of described current engineering machinery to be detected, selecting current wire harness to be detected according to operator's input instruction;
Information according to described current wire harness to be detected detects to obtain testing result to described current wire harness to be detected, resolves described testing result and generates diagnostic result, and show described diagnostic result.
9. line diagnosis method according to claim 8 is characterized in that, the detection of described wire harness to be detected is comprised detect at least a in the following malfunction:
Circuit open circuit, shorted to earth, to short circuit between power supply short circuit and circuit.
10. according to claim 8 or 9 described line diagnosis methods, it is characterized in that, also comprise:
Show line arrangement information corresponding to described current engineering machinery to be detected, described current wire harness to be detected.
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| CN103399250A (en) * | 2013-07-30 | 2013-11-20 | 重庆长安汽车股份有限公司 | Method and system for diagnosing open-circuit fault of digital circuit |
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| CN117232586A (en) * | 2023-11-15 | 2023-12-15 | 长春易加科技有限公司 | Intelligent wire harness detection system |
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| CN117232586B (en) * | 2023-11-15 | 2024-01-09 | 长春易加科技有限公司 | Intelligent wire harness detection system |
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| CN102928732B (en) | 2016-02-24 |
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