CN102539965A - Semi-automatic switching value fault detection method and system - Google Patents
Semi-automatic switching value fault detection method and system Download PDFInfo
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Abstract
The invention discloses a semi-automatic switching value fault detection method and system used for a rail traffic control system. The semi-automatic switching value fault detection method comprises the following steps: inputting a switching value signal; collecting the state information of a corresponding relay when the signal is inputted, and observing the reaction of a vehicle by manual operation; inputting the collected state information of the corresponding relay; recoding the state information of the corresponding relay; analyzing the state information of the corresponding relay; and displaying an analyzing result in real time. The semi-automatic switching value fault detection method further comprises the following steps: outputting the switching value signal; collecting the state information of the corresponding relay when the signal is outputted, and observing the reaction of the vehicle by manual operation when the signal is outputted; feeding back the state information of the corresponding relay; recoding the fed-back state information of the corresponding relay; analyzing the state information of the corresponding relay; and displaying the analyzing result in real time. The semi-automatic switching value fault detection system comprises a collector, a vehicle-mounted system and a switching value fault detection module. Due to the adoption of the semi-automatic switching value fault detection method and system, the problems can be found quickly, and the labor cost can be saved.
Description
Technical field
The present invention relates to the fault detection technique field, relate in particular to a kind of manual switch amount fault detection method and system that is used for the track traffic control system.
Background technology
In field of track traffic, the interface One's name is legion between signal system and the Vehicular system, logic is complicated, and most of interface is switching value.When these switching values go wrong, be difficult to the fault location place, cause signal system provider and vehicle side to have very big difference thus, for solving this difference, must carry out the switching value fault detect.The relation of Vehicular system and signal system is as shown in Figure 1.
The fault detect of switching value at present has two kinds of methods: the one, and manual detection, the 2nd, utilize specialized equipment.
For method one outside invisible because these switching value interfaces are at vehicle interior, when breaking down, can only manual work open Vehicular system and mobile unit, contrast vehicle circuit diagram and mobile unit circuit diagram, by the professional one by one node investigate.
The advantage of this method is: need not buy special-purpose checkout equipment;
The shortcoming of this method is:
1, for the comparatively hidden node in position, the problem that existence can't be tested.
2, for some situation, need repeatedly test, each test all needs one by one node to investigate, very elapsed time.
3,, use the manual testing can't reappear fault for some situation.For example, not in place if door open button is pressed, car door opening can appear, the phenomenon that button information does not but collect; When button is pressed fully, can collect the information that button is pressed.When the manual testing, can't reappear button for a long time and press situation not in place.
4, cost of labor is very high, can't accomplish single test, the manpower of labor.
For method two, specialized equipment generally is called the switching value testing circuit again.Present existing switching value testing circuit comprises single-chip microcomputer and Acquisition Circuit composition.Acquisition Circuit can comprise first Acquisition Circuit and second Acquisition Circuit; Two Acquisition Circuit comprise an output terminal that connects the port of single-chip microcomputer respectively at least; Each output terminal of two Acquisition Circuit is respectively as the common output end of a plurality of collection terminals; A plurality of collection terminals of two Acquisition Circuit connect different switches to be detected respectively, and single-chip microcomputer detects the on off state of each switch to be detected according to the level signal of the output terminal output of two Acquisition Circuit.
The advantage of this method is: existing matured product and thinking;
The shortcoming of this method is: needs to buy existing product, and design and the interface that vehicle matees again, transform or tailor-made product.In view of the complicacy of interface, many at present these modes that do not adopt.
Summary of the invention
The technical matters that (one) will solve
The technical matters that the present invention will solve is: a kind of manual switch amount fault detection method and system that is used for the track traffic control system is provided; Detect the difference that exists about switching value to solve signal system and Vehicular system; Human cost is saved at the quick positioning question place.
(2) technical scheme
For addressing the above problem, the invention provides a kind of manual switch amount fault detection method that is used for the track traffic control system, said fault detection method comprises the detection of input switch amount, may further comprise the steps:
S1a: vehicle is carried out manually-operated with input switch amount signal;
S2a: the status information of corresponding relay during the acquired signal input, the reaction of vehicle during simultaneously through the input of artificial observation signal;
S3a: the corresponding relay status information that input collects;
S4a: write down the said corresponding relay status information that collects;
S5a: resolve said corresponding relay status information and show the result who resolves in real time.
Preferably, the detection step of said input switch amount also comprises: S6a: the vehicle reaction according to analysis result that shows and observation is carried out the manual work investigation to failure cause.
Preferably, said fault detection method also comprises the detection of output switching value, may further comprise the steps:
S1b: output switching value signal;
S2b: the status information of corresponding relay during acquired signal output, the reaction of vehicle during simultaneously through the output of artificial observation signal;
S3b: feed back corresponding relay status information;
S4b: the corresponding relay status information that writes down said feedback;
S5b: resolve said corresponding relay status information and show the result who resolves in real time.
Preferably, the detection step of said output switching value also comprises: S6b: the vehicle reaction according to analysis result that shows and observation is carried out the manual work investigation to failure cause.
Preferably, vehicle is gathered said corresponding relay status information through the method for terminal row node.
On the other hand, the present invention also provides a kind of fault detection system that realizes above-mentioned fault detection method, comprising:
Collector, the status information that is used to gather corresponding relay;
Onboard system, be used to export switching value signal, input and write down the corresponding relay status information that said collector collects and the corresponding relay status information conveyance that will write down to the switching value detection module;
The switching value detection module is used to resolve corresponding relay status information and the real-time result who resolves that shows that said onboard system transports.
Preferably, said onboard system comprises:
The onboard system tablet is used to receive the corresponding relay status information of said collector input, and inputs to the onboard system motherboard;
The onboard system motherboard is used to receive and write down the said corresponding relay status information of said onboard system tablet input, and information recorded is inputed to the onboard system data board;
The onboard system data board is used to receive the corresponding relay status information of said onboard system motherboard record and export said switching value detection module to.
Preferably, said onboard system also comprises and is used to export the switching value signal and to the onboard system output board of said onboard system motherboard feedback relay status.
Preferably, said switching value detection module also comprises the display device that is used for showing in real time said analysis result.
(3) beneficial effect
The present invention is by means of the acquisition function of vehicle control syetem itself; Only use the simple switching value detection module of a cover can accomplish repeatedly fault detect to the switch for vehicle amount; But the various differences that effective address signal system and Vehicular system exist on the switching value fault; Detection method of the present invention is carried out the location of clear and definite through automanual mode, for the detection and the maintenance of fault are provided convenience.
It still is behind the onboard system that the detection method of the application of the invention, quick positioning question belong to Vehicular system, can use the method one in the background technology to carry out pointwise test, and at this moment, the test job amount will reduce half the.
Description of drawings
Fig. 1 is the structured flowchart of Vehicular system and signal system in the prior art;
Fig. 2 is the process flow diagram according to embodiment of the invention input switch quantity measuring method;
Fig. 3 is the process flow diagram according to embodiment of the invention output switching value detection method;
Fig. 4 is the structured flowchart according to embodiment of the invention input switch amount detection systems;
Fig. 5 is the structured flowchart according to embodiment of the invention output switching value detection system.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated as follows.
Embodiment one:
As shown in Figure 2; Present embodiment has been put down in writing a kind of manual switch amount fault detection method that is used for the track traffic control system; Said fault detection method comprises the detection to the input switch amount; When the driver moved to some extent, corresponding relays state (pick up or fall) can change thereupon, and onboard system and vehicle obtain this corresponding relays status information through collector simultaneously.The reaction of vehicle can see that whether onboard system collects this state can be seen through the switching value detection module that is connected to onboard system fast through human eye.
Concrete, the detection of said input switch amount may further comprise the steps:
S1a: vehicle is carried out manually-operated with input switch amount signal;
S2a: the status information of corresponding relay during the acquired signal input, the reaction of vehicle during simultaneously through the input of artificial observation signal;
S3a: the corresponding relay status information that input collects;
S4a: write down the said corresponding relay status information that collects;
S5a: resolve said corresponding relay status information and show the result who resolves in real time;
S6a: the vehicle reaction according to analysis result that shows and observation is carried out the manual work investigation to failure cause.
As shown in Figure 3; Said fault detection method also comprises the detection to the output switching value; When onboard system is exported to some extent; Can change with the corresponding relay status of switching value of output, onboard system obtains relay status through the feedback of output board thereupon, and Vehicular system is gathered this relay status through collector.The reaction of vehicle can see that whether onboard system collects the output of this state can be seen through the switching value detection module that is connected to onboard system equally fast through human eye.
Concrete, the detection of said output switching value may further comprise the steps:
S1b: output switching value signal;
S2b: the status information of corresponding relay during acquired signal output, the reaction of vehicle during simultaneously through the output of artificial observation signal;
S3b: feed back corresponding relay status information;
S4b: the corresponding relay status information that writes down said feedback;
S5b: resolve said corresponding relay status information and show the result who resolves in real time;
S6b: the vehicle reaction according to analysis result that shows and observation is carried out the manual work investigation to failure cause.
Wherein, vehicle is gathered said corresponding relay status information through the method for terminal row node.
Embodiment two:
Like Fig. 4 and shown in Figure 5, present embodiment has been put down in writing the fault detection system of the fault detection method described in a kind of embodiment of realization one, comprising:
Collector, the status information that is used to gather corresponding relay;
Onboard system, be used to export switching value signal, input and write down the corresponding relay status information that said collector collects and the corresponding relay status information conveyance that will write down to the switching value detection module;
The switching value detection module is used to resolve corresponding relay status information and the real-time result who resolves that shows that said onboard system transports.
Said onboard system comprises:
The onboard system tablet is used to receive the corresponding relay status information of said collector input, and inputs to the onboard system motherboard;
The onboard system output board is used to export switching value signal that the onboard system mainboard sends and to said onboard system motherboard feedback relay status;
The onboard system motherboard is used to receive and write down the said corresponding relay status information of said onboard system tablet input, and information recorded is inputed to the onboard system data board;
The onboard system data board is used to receive the corresponding relay status information of said onboard system motherboard record and export said switching value detection module to;
Said switching value detection module also comprises the display device that is used for showing in real time said analysis result.
Vehicle reaction that the fault detect personnel arrive through artificial observation and the analysis result that shows from display device observation can be located fault fast.
Embodiment three:
Present embodiment is an example with vehicle-mounted switch door button, and the embodiment of this detection mode is described.
In test or the commencement of commercial operation process, a kind of most common failure is at the scene, and when the driver pressed door open button, car door was not opened, but onboard system has carried out the subsequent operation of opening the door, and has promptly opened shield door; Perhaps car door opening, but onboard system does not carry out subsequent operation, and shield door is not opened.To this switching value fault, use this method to position fault.
Switch door pushbutton switch amount belongs to the input switch amount, and its fault detection method implementation step is following:
1, switching value detection module (for example the run switch amount detects the notebook of software) is linked to each other with the output serial ports of onboard system data board through serial ports.
2, open the switching value detection module, serial ports and parameter that configuration is corresponding.
3, onboard system is powered on, make its normal operation.
4, push the button that to test, for example door open button.
5, pass through the display device of switching value detection module, the relay status information that onboard system collected when the observation button was pressed.
Whether the vehicle door status of 6, observing vehicle is for opening.
7, repeat above-mentioned steps, need test 50～100 times under each button, every kind of pattern.
8, analytical test result:
If the switching value detection module shows the relay status information when collecting door open button presses, then represent button and onboard system non-fault, the circuit that only need check vehicles gets final product.
If can collect the relay status information of door open button when pressing when the switching value detection module shows, gather sometimes less than, explain that then button has problem, need review button.
If when the switching value detection module shows " button information does not collect ", represent that then the onboard system collection has fault, only need inspection trolley loading system circuit to get final product.
9, adopt manual type, contrast the circuit diagram of the system that goes wrong, search reason step by step.The present invention is by means of the acquisition function of vehicle control syetem itself; Only use the simple switching value detection module of a cover can accomplish repeatedly fault detect to the switch for vehicle amount; The switch amount fault is carried out the location of clear and definite, for the detection and the maintenance of fault are provided convenience.
Above embodiment only is used to explain the present invention; And be not limitation of the present invention; The those of ordinary skill in relevant technologies field under the situation that does not break away from the spirit and scope of the present invention, can also be made various variations and modification; Therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (9)
1. manual switch amount fault detection method that is used for the track traffic control system is characterized in that said fault detection method comprises the detection of input switch amount, may further comprise the steps:
S1a: vehicle is carried out manually-operated with input switch amount signal;
S2a: the status information of corresponding relay during the acquired signal input, the reaction of vehicle during simultaneously through the input of artificial observation signal;
S3a: the corresponding relay status information that input collects;
S4a: write down the said corresponding relay status information that collects;
S5a: resolve said corresponding relay status information and show the result who resolves in real time.
2. fault detection method as claimed in claim 1 is characterized in that, the detection step of said input switch amount also comprises: S6a: the vehicle reaction according to analysis result that shows and observation is carried out the manual work investigation to failure cause.
3. fault detection method as claimed in claim 1 is characterized in that, said fault detection method also comprises the detection of output switching value, may further comprise the steps:
S1b: output switching value signal;
S2b: the status information of corresponding relay during acquired signal output, the reaction of vehicle during simultaneously through the output of artificial observation signal;
S3b: feed back corresponding relay status information;
S4b: the corresponding relay status information that writes down said feedback;
S5b: resolve said corresponding relay status information and show the result who resolves in real time.
4. fault detection method as claimed in claim 3 is characterized in that, the detection step of said output switching value also comprises: S6b: the vehicle reaction according to analysis result that shows and observation is carried out the manual work investigation to failure cause.
5. according to claim 1 or claim 2 fault detection method is characterized in that vehicle is gathered said corresponding relay status information through the method for terminal row node.
6. a fault detection system that realizes each fault detection method among the claim 1-5 is characterized in that, comprising:
Collector, the status information that is used to gather corresponding relay;
Onboard system, be used to export switching value signal, input and write down the corresponding relay status information that said collector collects and the corresponding relay status information conveyance that will write down to the switching value detection module;
The switching value detection module is used to resolve corresponding relay status information and the real-time result who resolves that shows that said onboard system transports.
7. fault detection system as claimed in claim 6 is characterized in that, said onboard system comprises:
The onboard system tablet is used to receive the corresponding relay status information of said collector input, and inputs to the onboard system motherboard;
The onboard system motherboard is used to receive and write down the said corresponding relay status information of said onboard system tablet input, and information recorded is inputed to the onboard system data board;
The onboard system data board is used to receive the corresponding relay status information of said onboard system motherboard record and export said switching value detection module to.
8. fault detection system as claimed in claim 7 is characterized in that, said onboard system also comprises and is used to export the switching value signal and to the onboard system output board of said onboard system motherboard feedback relay status.
9. fault detection system as claimed in claim 6 is characterized in that, said switching value detection module also comprises the display device that is used for showing in real time said analysis result.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104535924A (en) * | 2014-12-30 | 2015-04-22 | 宁波三星电气股份有限公司 | Relay state detection processing circuit and detection processing method of relay state detection processing circuit |
| CN107402349A (en) * | 2017-07-31 | 2017-11-28 | 奇瑞汽车股份有限公司 | The just abnormal detection method of switch and device in a kind of vehicle |
| CN110108926A (en) * | 2019-04-17 | 2019-08-09 | 中国船舶重工集团公司第七O三研究所无锡分部 | A kind of gas turbine switching value instruction malfunction elimination method |
| CN110108927A (en) * | 2019-04-17 | 2019-08-09 | 中国船舶重工集团公司第七O三研究所无锡分部 | A kind of gas turbine switching value feedback malfunction elimination method |
| CN110161901A (en) * | 2019-04-29 | 2019-08-23 | 广东永强奥林宝国际消防汽车有限公司 | Test method, equipment and its computer readable storage medium of integrated control system for fire trucks |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104535924A (en) * | 2014-12-30 | 2015-04-22 | 宁波三星电气股份有限公司 | Relay state detection processing circuit and detection processing method of relay state detection processing circuit |
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| CN110108926A (en) * | 2019-04-17 | 2019-08-09 | 中国船舶重工集团公司第七O三研究所无锡分部 | A kind of gas turbine switching value instruction malfunction elimination method |
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| CN110161901A (en) * | 2019-04-29 | 2019-08-23 | 广东永强奥林宝国际消防汽车有限公司 | Test method, equipment and its computer readable storage medium of integrated control system for fire trucks |
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