CN102868561B - Train network system maintenance method and device - Google Patents
Train network system maintenance method and device Download PDFInfo
- Publication number
- CN102868561B CN102868561B CN201210370569.8A CN201210370569A CN102868561B CN 102868561 B CN102868561 B CN 102868561B CN 201210370569 A CN201210370569 A CN 201210370569A CN 102868561 B CN102868561 B CN 102868561B
- Authority
- CN
- China
- Prior art keywords
- network system
- inquiry
- maintenance
- maintenance instruction
- communication interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention discloses a train network maintenance method and device. The method is applied in a train display system and comprises the following steps: receiving an inquiry maintenance command; determining the inquiry maintenance command, initiating an inquiry maintenance request to the equipment corresponding to the inquiry maintenance command in a network system via a first communication interface, and receiving data corresponding to the inquiry maintenance request; and displaying the data. The method is applied in the device. By utilizing the existing train display system, the functions of analyzing and processing the maintenance command of the processor in the display system are added, and the data of the train network system can be conveniently and simply inquired without using any external power supply.
Description
Technical field
The present invention relates to field of track traffic, particularly a kind of train network system maintenance method and device.
Background technology
In field of track traffic, comprise the vehicles such as locomotive, motor-car, city rail, all apply train network system, by train network system, by the equipment connection that is distributed in each compartment of train to together.
The well-known train network system of current industry is by Siemens SIBAS32 system, corresponding system maintenance method is realized to described Siemens SIBAS32 system, by arranging a maintenance port in locomotive, be connected with the maintenance portable machine of user, realize the maintenance to whole train network system state-data queries, but portable machine but cannot be supported to work long hours, train is needed to provide external power supply, but train cannot provide power supply to portable machine usually, so when needs use portable machine, external power supply must be brought up to train, so just cannot simply and easily to train network system state-data queries.
Summary of the invention
Problem to be solved by this invention is: provide a kind of train network system maintenance method and device, cannot simply and easily to the problem that train network system status data is inquired about in prior art to solve.
The invention provides a kind of train network system maintenance method, described method is applied to train display system, and described method comprises:
Receive inquiry maintenance instruction;
Determine the type of described inquiry maintenance instruction, initiate inquiry maintenance request by the first communication interface to the equipment in the network system corresponding with described inquiry maintenance instruction type, receive the data corresponding with described inquiry maintenance request;
Described data are shown.
Preferably, also comprise:
Described data are stored.
Preferably, described inquiry maintenance instruction type comprises: inquiry whole vehicle state maintenance instruction and inquiry fault and event maintenance instruction.
Preferably, the described type determining inquiry maintenance instruction, initiates inquiry maintenance request by described first communication interface to the equipment in the network system corresponding with described inquiry maintenance instruction, and the process receiving the data corresponding with described inquiry maintenance request comprises:
When described inquiry maintenance instruction is for inquiry whole vehicle state maintenance instruction, initiate inquiry maintenance request by described first communication interface to the equipment in the network system corresponding with described inquiry whole vehicle state maintenance instruction, receive the data corresponding with described inquiry whole vehicle state maintenance instruction.
Preferably, the described type determining inquiry maintenance instruction, initiates inquiry maintenance request by described first communication interface to the equipment in the network system corresponding with described inquiry maintenance instruction, and the process receiving the data corresponding with described inquiry maintenance request comprises:
When described inquiry maintenance instruction is for inquiry fault and event maintenance instruction, initiate inquiry maintenance request by described first communication interface to the equipment storing fault and event log data in the network system corresponding with event maintenance instruction with described inquiry fault, receive the data corresponding with event maintenance instruction with described inquiry fault.
Preferably, also comprise:
Receive maintenance instruction;
When described maintenance instruction is for uploading network system configuration data maintenance instruction, by described first communication interface, carry out uploading network system configuration data maintenance request to the described equipment uploaded in network system corresponding to network system configuration data maintenance instruction;
After receiving the corresponding response of described maintenance request, with described upload network system configuration data maintenance request corresponding network system configuration data be transferred to equipment in described network system by being stored in advance in memory device by second communication interface.
Preferably, also comprise:
Receive maintenance instruction;
When described maintenance instruction is for upgrading network system program maintenance instruction, by described first communication interface, initiate program updates request to the equipment in the network system corresponding with described renewal network system program maintenance instruction;
After receiving the corresponding response of described program updates request, by with the described renewal network system program maintenance request corresponding program of described second communication interface reading pre-stored in memory device, when described program is security procedure, described program is sent to the equipment in described network system.
A kind of train network system attending device, described device comprises: receiver, processor, communication interface and display;
Described receiver is used for, and receives inquiry maintenance instruction;
Described processor is used for, and determines the type of described inquiry maintenance instruction, initiates inquiry maintenance request by the first communication interface to the equipment in the network system corresponding with described inquiry maintenance instruction, and receives the data corresponding with described inquiry maintenance request;
Described display is used for, and described data is shown.
Preferably, described device also comprises: memory;
Described memory is used for, and described data is stored.
Preferably, described first communication interface is Ethernet interface.
Preferably, described device also comprises: second communication interface;
Described second communication interface is connected with described processor, when described processor determines described maintenance instruction for uploading network system data maintenance instruction, by described first communication interface, carry out uploading network system configuration data maintenance request to the described equipment uploaded in network system corresponding to network system configuration data maintenance instruction, after receiving the corresponding response of described maintenance request, equipment in described network system is transferred to the described corresponding network system configuration data of network system configuration data maintenance request of uploading by being stored in advance in memory device by second communication interface.
As can be seen from the above technical solutions, the invention provides a kind of train network system maintenance method and device, described method make use of the display system on train, add the processing capacity of the maintenance instruction that described processor treatment and analysis receives, by described communication interface described maintenance instruction sent to the equipment in the network equipment, and according to described maintenance instruction, described network system is safeguarded, avoiding employing needs the portable machine of external power supply so just can by existing display system simply and easily to the problem that train network system data are inquired about.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of train network system maintenance method schematic flow sheet disclosed in the embodiment of the present invention one;
Fig. 2 be disclosed by the invention a kind of when inquiry maintenance instruction be the maintaining method schematic flow sheet of inquiry whole vehicle state maintenance instruction;
Fig. 3 be disclosed by the invention a kind of when inquiry maintenance instruction be the maintaining method schematic flow sheet of inquiry whole vehicle state maintenance instruction;
Fig. 4 is a kind of train network system maintenance method schematic flow sheet disclosed in the embodiment of the present invention two;
Fig. 5 is a kind of train network system maintenance method schematic flow sheet disclosed in the embodiment of the present invention three;
Fig. 6 is a kind of train network system attending device structural representation disclosed in the embodiment of the present invention four;
Fig. 7 is a kind of train network system attending device structural representation disclosed in the embodiment of the present invention five.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
The embodiment of the present invention one discloses a kind of train network system maintenance method, shown in Figure 1, and described method is for being applied to train display system, and described method comprises:
Step S101: receive inquiry maintenance instruction;
Step S102: the type determining described inquiry maintenance instruction, initiates inquiry maintenance request by the first communication interface to the equipment in the network system corresponding with described inquiry maintenance instruction type, receives the data corresponding with described inquiry maintenance request;
Wherein, described network system is not limited to TCN (TCN), field network (LONWorks), local area network technology ARCNET etc., described first communication interface is Ethernet interface, device in described network system is the device with Ethernet interface, network enabled communication protocol (TCP/IP) agreement, supports to use procotol ftp or procotol tftp carry out communication data transfer but be not limited to above-mentioned agreement.
Step S103: described data are shown.
In addition, described data can be stored in corresponding memory.
Present embodiment discloses a kind of train network system maintenance method, described method is applied in train display system, described method comprises: receive inquiry maintenance instruction, determine the type of described inquiry maintenance instruction, inquiry maintenance request is initiated to the equipment in the network system corresponding with described inquiry maintenance instruction type by described first communication interface, receive the data corresponding with described inquiry maintenance request, described data are shown, described method make use of train display system need not external power supply just can the advantage of long-term work, achieve convenient and simple requirement train network system being carried out to data query.
Further, described inquiry maintenance instruction comprises: inquiry whole vehicle state maintenance instruction and inquiry fault and event maintenance instruction, shown in Figure 2, a kind of when inquiry maintenance instruction be the maintaining method schematic flow sheet inquiring about whole vehicle state maintenance instruction;
Step S201: when described inquiry maintenance instruction is for inquiry whole vehicle state maintenance instruction, the equipment being stored fault and event log data by described first communication interface in the network system corresponding with event maintenance instruction with described inquiry fault initiates inquiry maintenance request, receives the data corresponding with event maintenance instruction with described inquiry fault;
Wherein, described fault and event log data are stored in event recorder.
Step S202: described whole vehicle state data are shown.
Shown in Figure 3, a kind of when inquiry maintenance instruction be inquiry fault and the maintaining method schematic flow sheet of event maintenance instruction;
Step S301: when described query statement is for inquiry fault and event maintenance instruction, the equipment being stored fault and event log data by described first communication interface in the network system corresponding with event maintenance instruction with described inquiry fault initiates inquiry maintenance request, receives the data corresponding with event maintenance instruction with described inquiry fault;
Wherein, described fault and event log data are stored in event recorder.
Step S302: described fault and event data are shown.
The embodiment of the present invention two discloses a kind of train network system maintenance method, shown in Figure 4, and described method comprises:
Step S401: receive maintenance instruction;
Step S402: when described maintenance instruction is for uploading network system configuration data maintenance instruction, by described first communication interface, carry out uploading network system configuration data maintenance request to the described equipment uploaded in network system corresponding to network system configuration data maintenance instruction;
Step S403: after receiving the corresponding response of described maintenance request, with described upload network system configuration data maintenance request corresponding network system configuration data is transferred to equipment in described network system by being stored in advance in memory device by described second communication interface.
Wherein, described second communication interface is USB interface.
Wherein, described network system configuration data can be downloaded by second communication interface and USB interface and be stored in the memory device be connected with described USB interface.
Present embodiment discloses a kind of train network system maintenance method, except the inquiry maintenance instruction that embodiment one proposes, embodiment adds the maintenance instruction uploading network system configuration data, when described maintenance instruction is for uploading network system configuration data maintenance instruction, by described first communication interface, carry out uploading network system configuration data maintenance request to the described equipment uploaded in network system corresponding to network system configuration data maintenance instruction, after receiving the corresponding response of described maintenance request, equipment in described network system is transferred to the described corresponding network system configuration data of network system configuration data maintenance request of uploading by being stored in advance in memory device by described second communication interface, also by second communication interface, described network system configuration data can be downloaded, easily network system configuration data can be uploaded in corresponding network system equipment like this, also can download in corresponding memory device, be convenient to technical staff's searching corresponding data in the future, serve the effect of file.
The embodiment of the present invention three discloses a kind of train network system maintenance method, shown in Figure 5, and described method comprises:
Step S501: receive maintenance instruction;
Step S502: when described maintenance instruction is for upgrading network system configuration data maintenance instruction, by described first communication interface, initiate program updates request to the equipment in the network system corresponding with described renewal network system program maintenance instruction;
Step S503: after receiving the corresponding response of described program updates request, by with the described renewal network system program maintenance request corresponding program of described second communication interface reading pre-stored in memory device, when described program is security procedure, described program is sent to the equipment in described network system.
Wherein, need to judge whether described program meets default safety check standard, if so, then described program is sent to the equipment in described network system, if not, then do not send.
Present embodiment discloses a kind of train network system maintenance method, except the inquiry maintenance instruction that embodiment one proposes, embodiment adds the maintenance instruction upgrading network system configuration data, when described maintenance instruction is for upgrading network system configuration data maintenance instruction, by described first communication interface, program updates request is initiated to the equipment in the network system corresponding with described renewal network system configuration data maintenance instruction, after receiving the corresponding response of described program updates request, the program corresponding with described renewal network system configuration data maintenance request in memory device will be stored in advance in by described second communication interface, when described program is security procedure, described program is sent to the equipment in described network system, improve the security reliability of whole train network system.
The embodiment of the present invention four discloses a kind of train network system attending device, shown in Figure 6, and described device comprises: receiver 101, processor 102, first communication interface 103 and display 104;
Described receiver 101 for, receive inquiry maintenance instruction;
Described processor 102 for, determine the type of described inquiry maintenance instruction, initiate inquiry maintenance request by the first communication interface 103 to the equipment in the network system corresponding with described inquiry maintenance instruction, and receive the data corresponding with described inquiry maintenance request;
Wherein, described first communication interface is Ethernet interface.
Described processor adopts flush bonding processor, as microprocessor ARM, micro-processor architecture X86, microprocessor PowerPC etc., supports operating system, as operating system Linux, embedded OS WinCE, operating system QNW etc.
Described display 104 for, described data are shown.
Wherein, described device also comprises: memory 105;
Described memory 105 for, described data are stored.
Present embodiment discloses a kind of train network attending device, described device comprises: receiver, processor, first communication interface and display, described receiver is for receiving inquiry maintenance instruction, described processor is used for determining described inquiry maintenance instruction type, inquiry maintenance request is initiated to the equipment in the network system corresponding with described inquiry maintenance instruction by described first communication interface, and receive the data corresponding with described inquiry maintenance request, and described data can be shown by described display, and described data are stored in memory, described device does not need external power supply, only need to utilize the maintenance that existing train display system just can realize train network system simply and easily.
The embodiment of the present invention five discloses a kind of train network system attending device, shown in Figure 7, and on the basis of embodiment four, described device also comprises second communication interface 106;
Described second communication interface 106 is connected with described processor 105, when described processor determines described maintenance instruction for uploading network system data maintenance instruction, by described first communication interface, carry out uploading network system configuration data maintenance request to the described equipment uploaded in network system corresponding to network system configuration data maintenance instruction, after receiving the corresponding response of described maintenance request, equipment in described network system is transferred to the described corresponding network system configuration data of network system configuration data maintenance request of uploading by being stored in advance in memory device by second communication interface.
Wherein, described second communication interface is USB interface.
The present embodiment is on the basis of embodiment four, add second communication interface, described second communication interface is used for, when described processor determines described maintenance instruction for uploading network system data maintenance instruction, by described first communication interface, carry out uploading network system configuration data maintenance request to the described equipment uploaded in network system corresponding to network system configuration data maintenance instruction, after receiving the corresponding response of described maintenance request, equipment in described network system is transferred to the described corresponding network system configuration data of network system configuration data maintenance request of uploading by being stored in advance in memory device by described second communication interface, achieve the function being carried out easily by the data message in external storage equipment uploading.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For device disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.Be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the most wide region consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a train network system maintenance method, is characterized in that, described method is applied to train display system, and described method comprises:
Receive inquiry maintenance instruction;
Determine the type of described inquiry maintenance instruction, initiate inquiry maintenance request by the first communication interface to the equipment in the network system corresponding with described inquiry maintenance instruction type, receive the data corresponding with described inquiry maintenance request;
Described data are shown;
Receive maintenance instruction;
When described maintenance instruction is for uploading network system configuration data maintenance instruction, by described first communication interface, carry out uploading network system configuration data maintenance request to the described equipment uploaded in network system corresponding to network system configuration data maintenance instruction;
After receiving the corresponding response of described maintenance request, with described upload network system configuration data maintenance request corresponding network system configuration data be transferred to equipment in described network system by being stored in advance in memory device by second communication interface;
When described maintenance instruction is for upgrading network system program maintenance instruction, by described first communication interface, initiate program updates request to the equipment in the network system corresponding with described renewal network system program maintenance instruction;
After receiving the corresponding response of described program updates request, by with the described renewal network system program maintenance request corresponding program of described second communication interface reading pre-stored in memory device, when described program is security procedure, described program is sent to the equipment in described network system.
2. method according to claim 1, is characterized in that, also comprises:
Described data are stored.
3. method according to claim 1, is characterized in that, described inquiry maintenance instruction type comprises: inquiry whole vehicle state maintenance instruction and inquiry fault and event maintenance instruction.
4. method according to claim 3, it is characterized in that, the described type determining inquiry maintenance instruction, initiate inquiry maintenance request by described first communication interface to the equipment in the network system corresponding with described inquiry maintenance instruction, the process receiving the data corresponding with described inquiry maintenance request comprises:
When described inquiry maintenance instruction is for inquiry whole vehicle state maintenance instruction, initiate inquiry maintenance request by described first communication interface to the equipment in the network system corresponding with described inquiry whole vehicle state maintenance instruction, receive the data corresponding with described inquiry whole vehicle state maintenance instruction.
5. method according to claim 3, it is characterized in that, the described type determining inquiry maintenance instruction, initiate inquiry maintenance request by described first communication interface to the equipment in the network system corresponding with described inquiry maintenance instruction, the process receiving the data corresponding with described inquiry maintenance request comprises:
When described inquiry maintenance instruction is for inquiry fault and event maintenance instruction, initiate inquiry maintenance request by described first communication interface to the equipment storing fault and event log data in the network system corresponding with event maintenance instruction with described inquiry fault, receive the data corresponding with event maintenance instruction with described inquiry fault.
6. a train network system attending device, is characterized in that, described device comprises: receiver, processor, the first communication interface, second communication interface and display;
Described receiver is used for, and receives inquiry maintenance instruction;
Described processor is used for, and determines the type of described inquiry maintenance instruction, initiates inquiry maintenance request by the first communication interface to the equipment in the network system corresponding with described inquiry maintenance instruction, and receives the data corresponding with described inquiry maintenance request;
Described display is used for, and described data is shown;
Described second communication interface is connected with described processor, when described processor determines described maintenance instruction for uploading network system data maintenance instruction, by described first communication interface, carry out uploading network system configuration data maintenance request to the described equipment uploaded in network system corresponding to network system configuration data maintenance instruction, after receiving the corresponding response of described maintenance request, equipment in described network system is transferred to the described corresponding network system configuration data of network system configuration data maintenance request of uploading by being stored in advance in memory device by second communication interface.
7. device according to claim 6, is characterized in that, described device also comprises: memory;
Described memory is used for, and described data is stored.
8. device according to claim 6, is characterized in that, described first communication interface is Ethernet interface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210370569.8A CN102868561B (en) | 2012-09-28 | 2012-09-28 | Train network system maintenance method and device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210370569.8A CN102868561B (en) | 2012-09-28 | 2012-09-28 | Train network system maintenance method and device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102868561A CN102868561A (en) | 2013-01-09 |
CN102868561B true CN102868561B (en) | 2015-07-08 |
Family
ID=47447166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210370569.8A Active CN102868561B (en) | 2012-09-28 | 2012-09-28 | Train network system maintenance method and device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102868561B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103434536B (en) * | 2013-08-30 | 2015-09-02 | 南车南京浦镇车辆有限公司 | Train network parameter tracking method |
CN106534402B (en) * | 2016-11-30 | 2020-02-18 | 中车株洲电力机车研究所有限公司 | Method and system for identifying train network equipment |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101409890A (en) * | 2008-11-19 | 2009-04-15 | 北京六捷科技有限公司 | Monitoring system and method for vehicle-ground communication |
CN201321058Y (en) * | 2008-12-19 | 2009-10-07 | 中国铁道科学研究院通信信号研究所 | Human-machine interface device of train control on-vehicle equipment and train control on-vehicle equipment |
CN101846999A (en) * | 2010-04-09 | 2010-09-29 | 中国铁道科学研究院基础设施检测研究所 | Monitoring method of high speed comprehensive detection train detection equipment and device and system thereof |
CN102081402A (en) * | 2011-01-25 | 2011-06-01 | 中国人民解放军国防科学技术大学 | Vehicle-mounted control and diagnosis system for medium-low speed maglev train |
-
2012
- 2012-09-28 CN CN201210370569.8A patent/CN102868561B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101409890A (en) * | 2008-11-19 | 2009-04-15 | 北京六捷科技有限公司 | Monitoring system and method for vehicle-ground communication |
CN201321058Y (en) * | 2008-12-19 | 2009-10-07 | 中国铁道科学研究院通信信号研究所 | Human-machine interface device of train control on-vehicle equipment and train control on-vehicle equipment |
CN101846999A (en) * | 2010-04-09 | 2010-09-29 | 中国铁道科学研究院基础设施检测研究所 | Monitoring method of high speed comprehensive detection train detection equipment and device and system thereof |
CN102081402A (en) * | 2011-01-25 | 2011-06-01 | 中国人民解放军国防科学技术大学 | Vehicle-mounted control and diagnosis system for medium-low speed maglev train |
Also Published As
Publication number | Publication date |
---|---|
CN102868561A (en) | 2013-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104369748A (en) | Remote maintaining and monitoring system for GYK | |
CN103489230B (en) | A kind of new-energy automobile CAN data wireless transmission vehicle flight recorder device | |
CN101734265B (en) | Method and device for monitoring state of embedded vehicle-mounted signal device | |
CN101817352B (en) | Intelligent wheel stopper system based on wireless communication | |
CN202694135U (en) | Remote monitoring system for electric automobile | |
KR20150069623A (en) | Real-time integrated vehicles management system and method thereof | |
CN103560279A (en) | Battery management system diagnosing system based on CAN (Controller Area Network) bus and diagnosing-maintaining method of diagnosing system | |
CN105438151B (en) | Brake control system and fault-oriented safety processing method thereof | |
CN103415030A (en) | WIFI terminal configuration updating method and system, WIFI terminal and access point | |
CN104618501A (en) | Wireless intelligent monitoring management device of server cluster system | |
CN102868561B (en) | Train network system maintenance method and device | |
CN105096645A (en) | Vehicle-mounted positioning system | |
CN110888659A (en) | Remote updating method, device and system for vehicle-mounted equipment program | |
CN100454255C (en) | Rewriting control device of onboard program | |
CN204989452U (en) | Hand -held type electric energy meter trouble inquiry terminal equipment | |
CN103754238A (en) | Operation information long-distance centralized acquisition device and acquisition method for railway vehicle gate controllers | |
KR20150067832A (en) | Updating method for module information in battery module structure | |
CN207164587U (en) | A kind of automatical pilot transportation vehicle and its display device for mounting on vehicle | |
CN104361652A (en) | Data recording device of network control and monitoring system of train | |
CN207945900U (en) | Vaccine freezer humiture collection and control system | |
EP3587171A1 (en) | Method of information provision and electric carrier system | |
CN103761845A (en) | Railway vehicle door operation information wireless acquisition sending device and acquisition method | |
CN105242283A (en) | Excavator GPS terminal fault detection system | |
CN109060173B (en) | Rail car fluorescence temperature measurement system mode self-adaption method and rail car fluorescence temperature measurement system thereof | |
CN204258834U (en) | Locomotive network system for managing |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |