CN103676850B

CN103676850B - TCMS communication system and communication failure detection method

Info

Publication number: CN103676850B
Application number: CN201310615960.4A
Authority: CN
Inventors: 任俊利; 李辉; 黄振晖; 张健; 穆俊斌; 郭勇
Original assignee: CRRC Tangshan Co Ltd
Current assignee: CRRC Tangshan Co Ltd
Priority date: 2013-11-27
Filing date: 2013-11-27
Publication date: 2017-04-12
Anticipated expiration: 2033-11-27
Also published as: CN103676850A

Abstract

The invention provides a TCMS communication system and a communication failure detection method. The TCMS communication system has good flexible control performance and is convenient for failure detection. The communication failure detection method is provided on the basis of the TCMS communication system. By determining adjacency relation between communication devices in the TCMS communication system, according to the adjacency relation of the communication devices, failures of the TCMS communication system can be quickly detected and locations of the failures can be accurately located.

Description

TCMS communication systems and communication fault detection method

Technical field

The present invention relates to wagon control and administrative skill field, more particularly to a kind of TCMS communication systems and communication failure Detection method.

Background technology

With the raising of the subway train speed of service, train composition becomes increasingly complex, safe and reliable to train and efficient fortune Row is put forward higher requirement.Therefore, subway or train fault are detected and diagnostic system has become modern subway or train must not The important component part that can lack.Subway and train fault detection are a kind of subway with diagnostic system or train occurs in operation or When will break down, by prompting or man-machine business connect dialogic operation reach ask when shorter in effectively diagnose train fault Intelligence system.

As shown in figure 1, be TCMS communication system principle figures in prior art, when existing TCMS communication systems occur communication event During barrier, due to the restriction of TCMS inside communication equipments structure and cable used in existing TCMS communication systems, cause existing TCMS communication systems are difficult to flexibly control, so as to be not easy to fault detect.And when certain TCMS communication equipment breaks down, lead to Diagnosed and investigated frequently with artificial method, manual detection method main at present is had segmentation short circuit, is locally isolated and Jing Test the methods such as investigation.

But above-mentioned these detection methods, because the TCMS communication equipments and communication cable in TCMS communication systems is all in car The inside of body, and do not know the position broken down in advance, it is therefore desirable to manually disassembling many equipment in a large number just can detect Failure, this process wastes time and energy；And attendant is difficult the source that quickly and accurately positioning failure occurs, therefore, manually Manually perform relatively difficult and less efficient.

The content of the invention

The present invention provides a kind of TCMS communication systems and communication therefore detection method, for solving existing TCMS communication systems Flexibly control is difficult to, so as to be not easy to fault detect, and prior art fault detection method is all to lean on manpower, not only time-consuming to take Power and be difficult to detect by failure generation position problem.

The present invention provides a kind of TCMS communication systems, including：First outer meeting resistance, the second outer meeting resistance 2 and power line Controller, is connected with least two communications and sets on the network-bus between first outer meeting resistance and second outer meeting resistance It is standby；The communication equipment is connected by the network-bus, and by electrical bus and external power supply and the electric power line traffic control Device connection processed；

The communication equipment, including：

First port, second port, first resistor, second resistance, network control module, first switch, second switch, Three switches, the 4th switch, the first commutator and the second commutator；

First is connected between the low-bit line connection end of the first port and the low-bit line connection end of the second port Switch；

Second is connected between the high bit line connection end of the first port and the high bit line connection end of the second port Switch；

After the first resistor is connected with the described 3rd switch, one end connects with the low-bit line connection end of the first port Connect, the other end is connected with the high bit line connection end of the first port；

After the second resistance is connected with the described 4th switch, one end connects with the low-bit line connection end of the second port Connect, the other end is connected with the high bit line connection end of the second port；

The low-bit line connection end of the first port and the low-bit line connection end of second port pass through first double-throw Switch is connected with the network control module；

The high bit line connection end of the first port and the high bit line connection end of second port pass through second double-throw Switch is connected with the network control module；

The network control module is connected by electrical bus with the line power controller.

The present invention also provides a kind of fault detection method of TCMS communication equipments, the TCMS communication systems, including：

First outer meeting resistance, the second outer meeting resistance 2 and line power controller, first outer meeting resistance and described second At least two communication equipments are connected with network-bus between outer meeting resistance；The communication equipment is connected by the network-bus Connect, and be connected with external power supply and the line power controller by electrical bus；

The communication equipment, including：

The network control module is connected by electrical bus with the line power controller；

Methods described, including：

S101, the line power controller receive network service detection instruction；

S102, the line power controller obtain the device identification of all communication equipments in TCMS communication networks and record In first list；

S103, the line power controller select communication equipment centered on the first communication equipment, and to the center to center communications The network control module of equipment sends first switch control instruction；

S104, the network control module of the center to center communications equipment receive the first switch control instruction, and disconnect the One switch and second switch and closure the 3rd are switched, and by the first commutator throw low-bit line connection end to first port with And the second commutator is thrown into the high bit line connection end to first port, the TCMS communication networks are divided into into a TCMS and are led to Communication network；

S105, the network control module of the center to center communications equipment determine communication equipment in a TCMS communication networks Between proximity relations；

S106, the line power controller are it is determined that the proximity relations in a TCMS communication networks between communication equipment is complete Into after, to the network control module of the center to center communications equipment second switch control instruction is sent；

S107, the network control module of the center to center communications equipment receive the second switch control instruction, and while disconnected First switch and second switch and the 4th switch of closure are driven, and the first commutator is thrown into the low-bit line connection to second port Hold and the second commutator is thrown into the high bit line connection end to second port, the TCMS communication networks are divided into into second TCMS communication networks；

S108, the network control module of the center to center communications equipment determine communication equipment in the 2nd TCMS communication networks Between proximity relations；

S109, the line power controller are it is determined that the proximity relations in the 2nd TCMS communication networks between communication equipment is complete Into after, by with communication equipment and the 2nd TCMS communication networks in a TCMS communication networks of the center to center communications proximity of devices The device identification of all neighbouring communication equipments of communication equipment and its proximity relations are recorded in second list in network；

It is described that line power controller described in S110 determines whether the device identification in the first list is all recorded in In second list；

If S111, whole are recorded in the second list, the line power controller leads to the TCMS Remaining each communication equipment selects second to communicate as the first set of communication devices from the first set of communication devices in communication network Equipment sends first switch control instruction as center to center communications equipment to the network control module of the center to center communications equipment； Repeat step S104～S111, until the device identification in the first list is all recorded in the second list；

If S112, whole are recorded in the second list, the line power controller determines the TCMS Proximity relations in communication network between each communication equipment；And the proximity of devices relation recorded in second list is sent to aobvious Show the position that equipment presents to user so that user's failure judgement occurs.

A kind of TCMS communication systems and communication fault detection method that the present invention is provided, the TCMS communications that the present invention is provided System has preferably flexible control performance, and by the TCMS communication systems fault detect can be easy to；And it is logical based on the TCMS A kind of letter system, it is proposed that communication fault detection method, the method is by between each communication equipment in determination TCMS communication systems Proximity relations, according to the proximity relations between each communication equipment can not only quickly detect in TCMS communication systems occur Failure, and can be accurately positioned failure appearance position.

Description of the drawings

TCMS communication system principle figures in the prior art that Fig. 1 is provided for the present invention；

The TCMS communication system principle figures that Fig. 2 is provided for the present invention；

The schematic flow sheet of communication fault detection method embodiment one that Fig. 3 is provided for the present invention；

The network control module 10 of the center to center communications equipment in Fig. 1 communication fault detection methods that Fig. 4 is provided for the present invention Determine the proximity relations schematic flow sheet between communication equipment in a TCMS communication networks；

The network control module 10 of the center to center communications equipment in Fig. 1 communication fault detection methods that Fig. 5 is provided for the present invention Determine the proximity relations schematic flow sheet between communication equipment in the 2nd TCMS communication networks；

The schematic flow sheet of communication fault detection method embodiment three that Fig. 6 is provided for the present invention；

The communication fault detection method example IV schematic flow sheet that Fig. 7 is provided for the present invention；

The schematic flow sheet of communication fault detection method embodiment five that Fig. 8 is provided for the present invention.

Specific embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment a part of embodiment only of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, the every other reality that those of ordinary skill in the art obtain under the premise of creative work is not made Example is applied, the scope of protection of the invention is belonged to.

As shown in Fig. 2 the TCMS communication system principle figures provided for the present invention, including：Outside first outer meeting resistance 1, second Connecting resistance 2 and line power controller 3, be connected with the network-bus between the first outer meeting resistance 1 and the second outer meeting resistance 2 to Few two communication equipments 4；Communication equipment is connected by network-bus 5, and by electrical bus 6 and external power supply and power line Controller 3 connects；

Wherein, above-mentioned communication equipment, including：First port 6, second port 7, first resistor 8, second resistance 9, network control Molding block 10, first switch 11, the switch of second switch the 12, the 3rd the 13, the 4th switch the 14, first commutator 15 and second pair Throw switch 16；

First is connected between the low-bit line connection end 51 of first port 6 and the low-bit line connection end 51 of second port 7 to open Close 11；Second switch is connected between the high bit line connection end 52 of first port 6 and the high bit line connection end 52 of second port 7 12；First switch 11 and second switch 12 are set in order to whole TCMS networks are divided into into two parts network.

After first resistor 8 is connected with the 3rd switch 13, one end is connected with the low-bit line connection end 51 of first port 6, another End is connected with the high bit line connection end 52 of first port 6；When the 3rd switch 13 close after and above-mentioned first switch 11 and second Switch 12 disconnects, then the TCMS networks being made up of the communication equipment between the outer meeting resistance 1 of first resistor 8 and first can be independent Work.

After second resistance 9 is connected with the 4th switch 14, one end is connected with the low-bit line connection end 51 of second port 7, another End is connected with the high bit line connection end 52 of second port 7；When the 4th switch 14 close after and above-mentioned first switch 11 and second Switch 12 disconnects, then the TCMS networks being made up of the communication equipment between the outer meeting resistance 2 of second resistance 9 and second can be independent Work.

The low-bit line connection end of first port 6 and the low-bit line connection end 51 of second port 7 pass through the first commutator 15 are connected with network control module 10；The high bit line connection end 52 of first port 6 and the high bit line connection end 52 of second port 7 It is connected with network control module 10 by the second commutator 16；By controlling the first commutator 15 and the second commutator 16 throw to can form different network paths.

Network control module 10 is connected by electrical bus with line power controller 3.Power line tool used by the present embodiment There is the function of carrier communication, line power controller 3 can carry out the acquisition communication equipment that communicates by the power line and communication equipment Device identification.

It will be appreciated by persons skilled in the art that the TCMS communication systems of the present embodiment can be realized with CAN network Can also be realized with other networks, for example MVB networks.Additionally, above-mentioned first port 6, second port 7 can be according to network classes Type being configured, for example, DB9 types network port, but not limited to this；Above-mentioned first outer meeting resistance 1, the second outer meeting resistance 2 with And the first resistor 8 in communication equipment, the resistance of second resistance 9 can be configured as the case may be, do not make to have here Body is limited.

The workflow of the TCMS communication systems of the present embodiment is described below.In normal operation, TCMS leads to The first switch 11 in all communication equipments in letter system is to close with second switch 12, and the 3rd switch 13 and the 4th Switch 14 is to disconnect, the first commutator 15 and the second commutator 16 can throw simultaneously to the left side can also throw to The right.And when TCMS communication systems are in diagnosis and during debugging mode, be chosen as the communication equipment of center to center communications equipment, for example in Heart communication equipment is communication equipment 2, then the first switch 11 for simultaneously switching off communication equipment 2 is needed with second switch 12, when logical The closure of 3rd switch 13 of letter equipment 2 and the first commutator 15 and the second commutator 16 are thrown to the left side and then can be examined simultaneously The TCMS communication networks that survey is made up of the communication equipment between the first outer meeting resistance 1 and the first resistor 8 of communication equipment 2；When logical The closure of 4th switch 14 of letter equipment 2 and the first commutator 15 and the second commutator 16 are thrown to the right and then can be examined simultaneously The TCMS communication networks that survey is made up of the communication equipment between the second outer meeting resistance 2 and the second resistance 9 of communication equipment 2.

A kind of TCMS communication systems that the present embodiment is provided have preferably flexible control performance, by the TCMS communication systems System can be easy to fault detect.

Based on the TCMS communication networks of above-described embodiment one, a kind of communication fault detection method is set forth below.

Embodiment one

As shown in figure 3, for the schematic flow sheet of communication fault detection method embodiment one that provides of the present invention, specifically include as Lower step：

S101, line power controller 3 receive network service detection instruction；

S102, line power controller 3 obtain the device identification of all communication equipments in TCMS communication networks and record In first list；

S103, line power controller 3 select communication equipment centered on the first communication equipment, and to the net of center to center communications equipment Network control module 10 sends the control instruction of first switch 11；

S104, the network control module 10 of center to center communications equipment receive the control instruction of first switch 11, and disconnect first and open 11 and second switch 12 and the switch of closure the 3rd 13 are closed, and the first commutator 15 is thrown into the low-bit line company to first port 6 Connect end 51 and the second commutator 16 is thrown into the high bit line connection end 52 to first port 6, TCMS communication networks are divided into First TCMS communication networks；

Specifically, by taking the communication equipment 3 in Fig. 2 as an example, if line power controller 3 is selected centered on communication equipment 3 Communication equipment, then if off first switch 11 and second switch 12, then communication equipment 2 disconnects communication network, but if closes Close the 3rd switch 13 and the first commutator 15 is thrown into low-bit line connection end 51 to first port 6 and opens the second double-throw Throw the high bit line connection end 52 to first port 6 in pass 16, then the communication equipment between the outer meeting resistance 1 of first resistor 8 and first Namely communication equipment 1 and communication equipment 2 can constitute a communication network and be operated, as above-mentioned TCMS communications Network.

In S105, the first TCMS communication networks of determination of network control module 10 of center to center communications equipment between communication equipment Proximity relations；

S106, line power controller 3 are it is determined that the proximity relations in a TCMS communication networks between communication equipment is completed Afterwards, the control instruction of second switch 12 is sent to the network control module 10 of center to center communications equipment；

S107, the network control module 10 of center to center communications equipment receive the control instruction of second switch 12, and simultaneously switch off the One switch 11 and second switch 12 and the switch of closure the 4th 14, and the first commutator 15 is thrown the low level to second port 7 Line connection end and the second commutator 16 is thrown into the high bit line connection end 52 to second port 7, by TCMS communication networks point For the 2nd TCMS communication networks；

Specifically, also by taking the communication equipment 3 in Fig. 2 as an example, but if the switch of closure the 4th 14 is closed and by first Commutator 15 throws the low-bit line connection end to second port 7 and the second commutator 16 is thrown the high position to second port 7 Line connection end 52, then the communication equipment i.e. communication equipment 4 between the outer meeting resistance 2 of second resistance 9 and second can be constituted One communication network is operated, the 2nd as above-mentioned TCMS communication networks.

In S108, the 2nd TCMS communication networks of determination of network control module 10 of center to center communications equipment between communication equipment Proximity relations；

S109, line power controller 3 are it is determined that the proximity relations in the 2nd TCMS communication networks between communication equipment is completed Afterwards, will lead in communication equipment in the TCMS communication networks with center to center communications proximity of devices and the 2nd TCMS communication networks The device identification of all neighbouring communication equipments of letter equipment and its proximity relations are recorded in second list；

S110 line power controllers 3 determine whether the device identification in first list is all recorded in second list；

If S111, whole are recorded in second list, line power controller 3 will be remaining in TCMS communication networks Each communication equipment as the first set of communication devices, the second communication equipment is selected from the first set of communication devices as center Communication equipment, and send the control instruction of first switch 11 to the network control module 10 of center to center communications equipment；Repeat step S104 ～S111, until the device identification in first list is all recorded in second list；

If S112, whole are recorded in second list, line power controller 3 determines each in TCMS communication networks Proximity relations between communication equipment；And the proximity of devices relation recorded in second list is sent to display device present to The position that user occurs for user's failure judgement.

Specifically, if the proximity relations of each communication equipment recorded in second list is 1-2,3-4, then 2 and 3 are illustrated Between network line it is problematic.

The present embodiment passes through to determine the proximity relations in TCMS communication systems between each communication equipment, according to each communication equipment Between proximity relations can not only quickly detect in TCMS communication systems occur failure, and can be accurately positioned therefore The position that barrier occurs.

Embodiment two

The present embodiment combines the network control module of the center to center communications equipment of Fig. 4 on the basis of embodiment described in Fig. 3 one 10 determine the proximity relations schematic flow sheet and the center to center communications shown in Fig. 5 in a TCMS communication networks between communication equipment The network control module 10 of equipment determines the proximity relations schematic flow sheet in the 2nd TCMS communication networks between communication equipment, right Embodiment one is described in detail, and specifically includes following steps：

S201, line power controller 3 receive network service detection instruction；

S202, line power controller 3 obtain the device identification of all communication equipments in TCMS communication networks and record In first list；

S203, line power controller 3 select communication equipment centered on the first communication equipment, and to the net of center to center communications equipment Network control module 10 sends the control instruction of first switch 11；

S204, the network control module 10 of center to center communications equipment receive the control instruction of first switch 11, and disconnect first and open 11 and second switch 12 and the switch of closure the 3rd 13 are closed, and the first commutator 15 is thrown into the low-bit line company to first port 6 Connect end 51 and the second commutator 16 is thrown into the high bit line connection end 52 to first port 6, TCMS communication networks are divided into First TCMS communication networks；

S205, the network control module 10 of center to center communications equipment are sent out respectively to each communication equipment in a TCMS communication networks Send request detection message；

If the network control module 10 of S206, center to center communications equipment does not receive TCMS communications in Preset Time The response message of each communication equipment in network, then send a notification message to line power controller 3；

S207, line power controller 3 receive notification message, it is determined that without neighbouring communication in a TCMS communication networks Equipment, and the device identification of center to center communications equipment is recorded in the 4th list；

If the network control module 10 of S208, center to center communications equipment receives the response message of communication equipment, and will ring Message is answered to send to line power controller 3；The device identification of communication equipment is carried in response message；

S209, line power controller 3 obtain the device identification in response message and using its corresponding communication equipment as the Two set of communication devices, and record in the 3rd list；

S210, line power controller 3 select communication equipment centered on the second communication equipment from the 3rd list, logical to center The network control module 10 of letter equipment sends the control instruction of second switch 12；

S211, the network control module 10 of center to center communications equipment receive the control instruction of second switch 12, and simultaneously switch off the One switch 11 and second switch 12 and the switch of closure the 4th 14, and the first commutator 15 is thrown the low level to second port 7 Line connection end 51 and the second commutator 16 is thrown into the high bit line connection end 52 to second port 7, by TCMS communications Network is divided into the 2nd TCMS communication networks；

S212, the network control module 10 of center to center communications equipment are sent out respectively to each communication equipment in the 2nd TCMS communication networks Send request detection message；

If the network control module 10 of S213, center to center communications equipment does not receive the sound of communication equipment in Preset Time Message is answered, is then sent a notification message to line power controller 3；

S214, line power controller 3 receive notification message, it is determined that in a TCMS communication networks of the first communication equipment Second communication equipment is neighbouring with the first communication equipment, and proximity relations is recorded in the 4th list；

If the network control module 10 of S215, center to center communications equipment receives the response message of communication equipment, and will ring Message is answered to be sent to line power controller 3；

S216, line power controller 3 receive the TCMS communication networks that response message then determines the first communication equipment In the second communication equipment be not the communication equipment neighbouring with the first communication equipment, then from the 3rd list select third communication equipment Centered on communication equipment, to center to center communications equipment network control module 10 send the control instruction of second switch 12；Execution step S211～S212；

If the network control module 10 of S217, center to center communications equipment does not receive the sound of communication equipment in Preset Time Message is answered, is then sent a notification message to line power controller 3；

S218, line power controller 3 receive notification message, it is determined that in a TCMS communication networks of the first communication equipment Third communication equipment is neighbouring with the first communication equipment, and proximity relations is recorded in the 4th list；

S219, line power controller 3 it is determined that after the second communication equipment neighbouring with the first communication equipment, using same Method determine from the 3rd list and the adjacent communication equipment of the neighbouring communication equipment of the first communication equipment, and by proximity relations Record is in the 4th list；By that analogy, until determining the proximity relations of all communication equipments in the 3rd list；

S220, line power controller 3 are it is determined that the proximity relations in a TCMS communication networks between communication equipment is completed Afterwards, the control instruction of second switch 12 is sent to the network control module 10 of center to center communications equipment；

S221, the network control module 10 of center to center communications equipment receive the control instruction of second switch 12, and simultaneously switch off the One switch 11 and second switch 12 and the switch of closure the 4th 14, and the first commutator 15 is thrown the low level to second port 7 Line connection end 51 and the second commutator 16 is thrown into the high bit line connection end 52 to second port 7, by TCMS communication networks It is divided into the 2nd TCMS communication networks；

S222, the network control module 10 of center to center communications equipment are sent out respectively to each communication equipment in the 2nd TCMS communication networks Send request detection message；

If the network control module 10 of S223, center to center communications equipment does not receive the 2nd TCMS communications in Preset Time The response message of each communication equipment in network, then send a notification message to line power controller 3；

S224, line power controller 3 receive notification message, it is determined that without neighbouring communication in the 2nd TCMS communication networks Equipment, and the device identification of center to center communications equipment is recorded in the 6th list；

If the network control module 10 of S225, center to center communications equipment receives the response message of communication equipment, and will ring Message is answered to send to line power controller 3；The device identification of communication equipment is carried in response message；

S226, line power controller 3 obtain the device identification in response message and using its corresponding communication equipment as the Three set of communication devices, and record in the 5th list；

S227, line power controller 3 select communication equipment centered on fourth communication equipment from the 5th list, logical to center The network control module 10 of letter equipment sends the control instruction of first switch 11；

S228, the network control module 10 of center to center communications equipment receive the control instruction of first switch 11, and disconnect first and open 11 and second switch 12 and the switch of closure the 3rd 13 are closed, and the first commutator 15 is thrown into the low-bit line company to first port 6 Connect end 51 and the second commutator 16 is thrown into the high bit line connection end 52 to first port 6, by the 2nd TCMS communication networks It is divided into a TCMS communication networks；

S229, the network control module 10 of center to center communications equipment are sent out respectively to each communication equipment in a TCMS communication networks Send request detection message；

If the network control module 10 of S230, center to center communications equipment does not receive the sound of communication equipment in Preset Time Message is answered, is then sent a notification message to line power controller 3；

S231, line power controller 3 receive notification message, it is determined that in the 2nd TCMS communication networks of the first communication equipment Third communication equipment is neighbouring with the first communication equipment, and proximity relations is recorded in the 6th list；

If the network control module 10 of S232, center to center communications equipment receives the response message of communication equipment, and will ring Message is answered to send line power controller 3；

S233, line power controller 3 receive response message, it is determined that the 2nd TCMS communication networks of the first communication equipment Middle third communication equipment is not the communication equipment neighbouring with the first communication equipment, then fourth communication equipment is selected from the 5th list Centered on communication equipment, to center to center communications equipment network control module 10 send the control instruction of first switch 11；Execution step S228～S229；

If the network control module 10 of S234, center to center communications equipment does not receive the sound of communication equipment in Preset Time Message is answered, is then sent a notification message to line power controller 3；

S235, line power controller 3 receive notification message, it is determined that in a TCMS communication networks of the first communication equipment Third communication equipment is neighbouring with the first communication equipment, and proximity relations is recorded in the 6th list；

S236, line power controller 3 it is determined that after the second communication equipment neighbouring with the first communication equipment, using same Method determine from the 5th list and the adjacent communication equipment of the neighbouring communication equipment of the first communication equipment, and by proximity relations Record is in the 6th list；By that analogy, until determining the proximity relations of all communication equipments in the 5th list.

S237, line power controller 3 are it is determined that the proximity relations in the 2nd TCMS communication networks between communication equipment is completed Afterwards, will lead in communication equipment in the TCMS communication networks with center to center communications proximity of devices and the 2nd TCMS communication networks The device identification of all neighbouring communication equipments of letter equipment and its proximity relations are recorded in second list；

S238, line power controller 3 determine whether the device identification in first list is all recorded in second list；

If S239, whole are recorded in second list, line power controller 3 will be remaining in TCMS communication networks Each communication equipment as the first set of communication devices, the second communication equipment is selected from the first set of communication devices as center Communication equipment, and send the control instruction of first switch 11 to the network control module 10 of center to center communications equipment；Repeat step S204 ～S239, until the device identification in first list is all recorded in second list；

If S240, whole are recorded in second list, line power controller 3 determines each in TCMS communication networks Proximity relations between communication equipment；And the proximity of devices relation recorded in second list is sent to display device present to The position that user occurs for user's failure judgement.

As shown in fig. 6, for the schematic flow sheet of communication fault detection method embodiment three that provides of the present invention, specifically include as Lower step：

S301, line power controller receive the second network service detection instruction, and select to lead to centered on the first communication equipment Letter equipment；And send fault detect instruction to the network control module 10 of center to center communications equipment；

S302, the network control module 10 of center to center communications equipment receive fault detect instruction, and inspection center's communication equipment A TCMS communication networks whether there is erroneous frame；

If S303, a TCMS communication networks have erroneous frame, the network control module 10 of center to center communications equipment determines to be sent out The communication equipment of erroneous frame is sent, testing result transmission display device is shown；

If S304, a TCMS communication networks do not have erroneous frame, the network control module 10 of center to center communications equipment is detected 2nd TCMS communication networks of center to center communications equipment whether there is erroneous frame；

If S305, the 2nd TCMS communication networks do not have erroneous frame, the network control module 10 of center to center communications equipment will be examined Survey result transmission display device to be shown；

If S306, the 2nd TCMS communication networks have erroneous frame, the network control module 10 of center to center communications equipment determines to be sent out The communication equipment of erroneous frame is sent, testing result transmission display device is shown.

The present embodiment can detect that TCMS communication networks whether there is erroneous frame.

As shown in fig. 7, for the communication fault detection method example IV schematic flow sheet that provides of the present invention, specifically include as Lower step：

S401, line power controller 3 receive the second network service detection instruction, and select to lead to centered on the first communication equipment Letter equipment；And send fault detect instruction to the network control module 10 of center to center communications equipment；

S402, the network control module 10 of center to center communications equipment receive fault detect instruction, and inspection center's communication equipment A TCMS communication networks whether there is erroneous frame；

If S403, a TCMS communication networks have erroneous frame, the network control module 10 of center to center communications equipment is to electric power Lane controller dispatching centre communication equipment selection instruction；

S404, line power controller select communication equipment centered on the second communication equipment in a TCMS communication networks；

S405, the network control module 10 of center to center communications equipment disconnect first switch 11 and second switch 12；With by first TCMS communication networks are divided into the 3rd TCMS communication networks and the 4th TCMS communication network two parts；

The switch 13 of the closure of network control module 10 the 3rd of S406, center to center communications equipment, and the first commutator 15 is thrown The high bit line connection end 52 to first port 6 is thrown to the low-bit line connection end 51 of first port 6 and by the second commutator 16, To detect that the 3rd TCMS communication networks whether there is erroneous frame；

S407, the network control module 10 of center to center communications equipment detect that the 3rd TCMS communication networks whether there is erroneous frame；

The network control module 10 of center to center communications equipment sends detection to each communication equipment in the 3rd TCMS communication networks please Ask, and detect that the 3rd TCMS communication networks whether there is erroneous frame.

If S408, the 3rd TCMS communication networks do not have erroneous frame, the network control module 10 of center to center communications equipment is closed 4th switch 14, and the first commutator 15 is thrown into low-bit line connection end 51 to second port 7 and by the second commutator 16 throw the high bit line connection end 52 to second port 7, to detect that the 4th TCMS communication networks whether there is erroneous frame；

S409, the network control module 10 of center to center communications equipment detect that the 4th TCMS communication networks whether there is erroneous frame；

The network control module 10 of center to center communications equipment sends detection to each communication equipment in the 2nd TCMS communication networks please Ask, and detect that the 4th TCMS communication networks whether there is erroneous frame.

If S410, the 4th TCMS communication networks do not have erroneous frame, the network control module 10 of center to center communications equipment is true Fixed second communication equipment is the communication equipment that erroneous frame is sent in a TCMS communication networks；

If S411, the 4th TCMS communication networks have erroneous frame, the 4th TCMS communication networks are divided using same method For two parts, detect that two parts whether there is erroneous frame respectively, by that analogy until finding out the communication equipment for sending erroneous frame, and Testing result transmission display device is shown；

If S412, the 3rd TCMS communication networks have erroneous frame, the 3rd TCMS communication networks are divided using same method For two parts, detect that two parts whether there is erroneous frame respectively, by that analogy until finding out the communication equipment for sending erroneous frame, and Testing result transmission display device is shown；

If S413, a TCMS communication networks do not have erroneous frame, the network control module 10 of center to center communications equipment is detected 2nd TCMS communication networks of center to center communications equipment whether there is erroneous frame；

If S414, the 2nd TCMS communication networks do not have erroneous frame, the network control module 10 of center to center communications equipment will be examined Survey result transmission display device to be shown；

If S415, the 2nd TCMS communication networks have erroneous frame, the network control module 10 of center to center communications equipment is to electric power Lane controller dispatching centre communication equipment selection instruction；

S416, line power controller select communication equipment centered on the second communication equipment in the 2nd TCMS communication networks；

S417, the network control module 10 of center to center communications equipment disconnect first switch 11 and second switch 12；With by second TCMS communication networks are divided into the 5th TCMS communication networks and the 6th TCMS communication network two parts；

The switch 13 of the closure of network control module 10 the 3rd of S418, center to center communications equipment, and the first commutator 15 is thrown The high bit line connection end 52 to first port 6 is thrown to the low-bit line connection end 51 of first port 6 and by the second commutator 16, To detect that the 5th TCMS communication networks whether there is erroneous frame；

S419, the network control module 10 of center to center communications equipment detect that the 5th TCMS communication networks whether there is erroneous frame；

The network control module 10 of center to center communications equipment sends detection to each communication equipment in the 5th TCMS communication networks please Ask, and detect that the 5th TCMS communication networks whether there is erroneous frame.

If S420, the 5th TCMS communication networks do not have erroneous frame, the network control module 10 of center to center communications equipment is closed 4th switch 14, and the first commutator 15 is thrown into low-bit line connection end 51 to second port 7 and by the second commutator 16 throw the high bit line connection end 52 to second port 7, to detect that the 6th TCMS communication networks whether there is erroneous frame；

S421, the network control module 10 of center to center communications equipment detect that the 6th TCMS communication networks whether there is erroneous frame；

The network control module 10 of center to center communications equipment sends detection to each communication equipment in the 2nd TCMS communication networks please Ask, and detect that the 6th TCMS communication networks whether there is erroneous frame.

If S422, the 6th TCMS communication networks do not have erroneous frame, the network control module 10 of center to center communications equipment is true Fixed second communication equipment is the communication equipment that erroneous frame is sent in a TCMS communication networks；

If S423, the 6th TCMS communication networks have erroneous frame, the 6th TCMS communication networks are divided using same method For two parts, detect that two parts whether there is erroneous frame respectively, by that analogy until finding out the communication equipment for sending erroneous frame, and Testing result transmission display device is shown；

If S424, the 5th TCMS communication networks have erroneous frame, the 5th TCMS communication networks are divided using same method For two parts, detect that two parts whether there is erroneous frame respectively, by that analogy until finding out the communication equipment for sending erroneous frame, and Testing result transmission display device is shown.

In addition, it is necessary to illustrate, center to center communications equipment here is preferably placed at the logical of TCMS communication hubs position Letter equipment.

The present embodiment can not only detect TCMS communication networks by carrying out recursive segmentation detection to faulty TCMS networks Network whether there is erroneous frame, and can be accurately positioned the communication equipment for breaking down.

As shown in figure 8, for the schematic flow sheet of communication fault detection method embodiment five that provides of the present invention, specifically include as Lower step：

S501, line power controller receive the second network service detection instruction, and select to lead to centered on the first communication equipment Letter equipment；And send fault detect instruction to the network control module 10 of center to center communications equipment；

S502, the network control module 10 of center to center communications equipment receive fault detect instruction, and inspection center's communication equipment A TCMS communication networks whether there is erroneous frame；

If S503, a TCMS communication networks have erroneous frame, the network control module 10 of center to center communications equipment is to electricity Line of force controller dispatching centre communication equipment selection instruction；

S504, line power controller receive the instruction of center to center communications equipment choice, select from a TCMS communication networks with Communication equipment centered on second communication equipment of center to center communications proximity of devices, and disconnect the He of first switch 11 of the second communication equipment Second switch 12 and the switch of closure the 3rd 13,

S505, the network control module 10 of center to center communications equipment detect that a TCMS communication networks of the second communication equipment are It is no to there is erroneous frame；

If there is no erroneous frame in a TCMS communication networks of S506, the second communication equipment, center to center communications equipment Network control module 10 determines that the second communication equipment is the communication equipment that erroneous frame is sent in a TCMS communication networks；

If a TCMS communication networks of S507, the second communication equipment have erroneous frame, by that analogy, according to neighbouring pass System successively disconnects the communication equipment first switch 11 and second switch 12 in a TCMS communication networks and the 3rd switch 13 Closure, using same method until finding out the communication equipment for sending erroneous frame；Testing result transmission display device is shown Show；

If S508, a TCMS communication networks do not have erroneous frame, the network control module 10 of center to center communications equipment is to electricity Line of force controller dispatching centre communication equipment selection instruction；

S509, line power controller receive the instruction of center to center communications equipment choice, select from the 2nd TCMS communication networks with Communication equipment centered on the third communication equipment of center to center communications proximity of devices, and disconnect the He of first switch 11 of third communication equipment Second switch 12 and the switch of closure the 3rd 13,

S510, the network control module 10 of center to center communications equipment are detected by third communication equipment and a TCMS communication networks The new TCMS communication networks of composition whether there is erroneous frame；

If S511, new TCMS communication networks have erroneous frame, the network control module 10 of center to center communications equipment determines Third communication equipment is the communication equipment that erroneous frame is sent in new TCMS communication networks；

If there is no erroneous frame in S512, new TCMS communication networks, by that analogy, according to proximity relations successively by second Communication equipment in TCMS communication networks is added in a TCMS communication networks, using same method until finding out transmission mistake The communication equipment of frame, testing result transmission display device is shown.

The present embodiment detects that first a TCMS networks, with the presence or absence of erroneous frame, then take the method isolated one by one to carry out Detection, can not only detect TCMS communication networks with the presence or absence of erroneous frame, and can be accurately positioned the communication broken down and set It is standby.

One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to Cross the related hardware of programmed instruction to complete.Aforesaid program can be stored in a computer read/write memory medium.The journey Sequence upon execution, performs the step of including above-mentioned each method embodiment；And aforesaid storage medium includes：ROM, RAM, magnetic disc or Person's CD etc. is various can be with the medium of store program codes.

Finally it should be noted that：Various embodiments above only to illustrate technical scheme, rather than a limitation；To the greatest extent Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to So the technical scheme described in foregoing embodiments can be modified, either which part or all technical characteristic are entered Row equivalent；And these modifications or replacement, do not make the essence disengaging various embodiments of the present invention technology of appropriate technical solution The scope of scheme.

Claims

1. a kind of fault detection method of TCMS communication equipments, the TCM communication systems include the first outer meeting resistance, second external Resistance and line power controller, are connected with the network-bus between first outer meeting resistance and second outer meeting resistance Two communication equipments, the communication equipment includes first port and second port, and the communication equipment is connected by network-bus, And be connected with external power supply and the line power controller by electrical bus, it is characterised in that the communication equipment, also wraps Include：

First resistor, second resistance, network control module, first switch, second switch, the 3rd switch, the 4th switch, first pair Throw switch and the second commutator；

First switch is connected between the low-bit line connection end of the first port and the low-bit line connection end of the second port；

Second switch is connected between the high bit line connection end of the first port and the high bit line connection end of the second port；

After the first resistor is connected with the described 3rd switch, one end is connected with the low-bit line connection end of the first port, separately One end is connected with the high bit line connection end of the first port；

After the second resistance is connected with the described 4th switch, one end is connected with the low-bit line connection end of the second port, separately One end is connected with the high bit line connection end of the second port；

The low-bit line connection end of the first port and the low-bit line connection end of second port pass through first commutator It is connected with the network control module；

The high bit line connection end of the first port and the high bit line connection end of second port pass through second commutator It is connected with the network control module；

Methods described, including：

S102, the line power controller obtain the device identification of all communication equipments in TCMS communication networks and record is the In one list；

S103, the line power controller select communication equipment centered on the first communication equipment, and to the center to center communications equipment Network control module send first switch control instruction；

S104, the network control module of the center to center communications equipment receive the first switch control instruction, and disconnect first and open Close and second switch and closure the 3rd are switched, and the first commutator is thrown into low-bit line connection end to first port and will Second commutator throws the high bit line connection end to first port, and the TCMS communication networks are divided into into a TCMS communication networks Network；

S105, the network control module of the center to center communications equipment are determined in a TCMS communication networks between communication equipment Proximity relations；

S106, the line power controller are it is determined that the proximity relations in a TCMS communication networks between communication equipment completes it Afterwards, second switch control instruction is sent to the network control module of the center to center communications equipment；

S107, the network control module of the center to center communications equipment receive the second switch control instruction, and simultaneously switch off the One switch and second switch and closure the 4th are switched, and by the first commutator throw low-bit line connection end to second port with And the second commutator is thrown into the high bit line connection end to second port, the TCMS communication networks are divided into into the 2nd TCMS and are led to Communication network；

S108, the network control module of the center to center communications equipment are determined in the 2nd TCMS communication networks between communication equipment Proximity relations；

S109, the line power controller are it is determined that the proximity relations in the 2nd TCMS communication networks between communication equipment completes it Afterwards, by with communication equipment in a TCMS communication networks of the center to center communications proximity of devices and the 2nd TCMS communication networks in The device identification of all neighbouring communication equipments of communication equipment and its proximity relations are recorded in second list；

S110, the line power controller determine whether the device identification in the first list is all recorded in described second In list；

If S111, be not all recorded in the second list, the line power controller is by the TCMS communication networks Remaining each communication equipment selects the second communication equipment as the first set of communication devices from the first set of communication devices in network As center to center communications equipment, and first switch control instruction is sent to the network control module of the center to center communications equipment；Repeat Step S104～S111, until the device identification in the first list is all recorded in the second list；

If S112, whole are recorded in the second list, the line power controller determines the TCMS communications Proximity relations in network between each communication equipment；And the proximity of devices relation recorded in second list is sent to display set The standby position for presenting to user so that user's failure judgement occurs.

2. method according to claim 1, it is characterised in that the network control module of the center to center communications equipment determines Proximity relations in one TCMS communication networks between communication equipment, including：

S201, the network control module of the center to center communications equipment send respectively to each communication equipment in a TCMS communication networks Request detection message；

If the network control module of S202, the center to center communications equipment does not receive a TCMS communication networks in Preset Time The response message of each communication equipment in network, then send a notification message to the line power controller；

S203, the line power controller receive the notification message, it is determined that without neighbour in a TCMS communication networks Near communication equipment, and the device identification of center to center communications equipment is recorded in the 4th list；

If S204, the network control module of the center to center communications equipment receive the response message of communication equipment, and will be described Response message is sent to the line power controller；The device identification of communication equipment is carried in the response message；

S205, the line power controller obtain the device identification in the response message and using its corresponding communication equipment as Second set of communication devices, and record in the 3rd list；

S206, the line power controller select communication equipment centered on the second communication equipment, Xiang Zhong from the 3rd list The network control module of heart communication equipment sends second switch control instruction；

S207, the network control module of center to center communications equipment receive the second switch control instruction, and simultaneously switch off first and open Close and second switch and closure the 4th are switched, and the first commutator is thrown into low-bit line connection end to second port and will Second commutator throws the high bit line connection end to second port, a TCMS communication networks is divided into into the 2nd TCMS and is led to Communication network；

S208, the network control module of center to center communications equipment send respectively request to each communication equipment in the 2nd TCMS communication networks Detection message；

If the response that the network control module of S209, center to center communications equipment does not receive communication equipment in Preset Time disappears Breath, then send a notification message to the line power controller；

S210, the line power controller receive notification message, it is determined that a TCMS communication networks of first communication equipment The second communication equipment is neighbouring with the first communication equipment in network, and proximity relations is recorded in the 4th list；

If S211, the network control module of center to center communications equipment receive the response message of communication equipment, and by the response Message is sent to the line power controller；

S212, the line power controller receive the response message and then determine that a TCMS of first communication equipment leads to The second communication equipment is not the communication equipment neighbouring with the first communication equipment in communication network, then is selected from the 3rd list Communication equipment centered on three communication equipments, to the network control module of center to center communications equipment second switch control instruction is sent；Hold Row step S207～S208；

If the response that the network control module of S213, center to center communications equipment does not receive communication equipment in Preset Time disappears Breath, then send a notification message to the line power controller；

S214, the line power controller receive notification message, it is determined that a TCMS communication networks of first communication equipment Third communication equipment is neighbouring with the first communication equipment in network, and proximity relations is recorded in the 4th list；

S215, the line power controller are it is determined that after the second communication equipment neighbouring with first communication equipment, adopt Same method determines the adjacent communication equipment with the neighbouring communication equipment of the first communication equipment from the 3rd list, and will be neighbouring Relation record is in the 4th list；By that analogy, until determining the proximity relations of all communication equipments in the 3rd list.

3. method according to claim 1, it is characterised in that the network control module of the center to center communications equipment determines Proximity relations in two TCMS communication networks between communication equipment, including：

S301, the network control module of the center to center communications equipment send respectively to each communication equipment in the 2nd TCMS communication networks Request detection message；

If the network control module of S302, the center to center communications equipment does not receive the 2nd TCMS communication networks in Preset Time The response message of each communication equipment in network, then send a notification message to the line power controller；

S303, the line power controller receive the notification message, it is determined that without neighbour in the 2nd TCMS communication networks Near communication equipment；

If S304, the network control module of the center to center communications equipment receive the response message of communication equipment, and will be described Response message is sent to the line power controller；The device identification of communication equipment is carried in the response message；

S305, the line power controller obtain the device identification in the response message and using its corresponding communication equipment as Third communication cluster tool, and record in the 5th list；

S306, the line power controller select communication equipment centered on fourth communication equipment, Xiang Zhong from the 5th list The network control module of heart communication equipment sends first switch control instruction；

S307, the network control module of center to center communications equipment receive the first switch control instruction, and disconnect first switch and Second switch and closure the 3rd are switched, and the first commutator is thrown into low-bit line connection end to first port and by second Commutator throws the high bit line connection end to first port, and the 2nd TCMS communication networks are divided into into a TCMS communication networks Network；

S308, the network control module of center to center communications equipment send respectively request to each communication equipment in a TCMS communication networks Detection message；

If the response that the network control module of S309, center to center communications equipment does not receive communication equipment in Preset Time disappears Breath, then send a notification message to the line power controller；

S310, the line power controller receive notification message, it is determined that the 2nd TCMS communication networks of first communication equipment Third communication equipment is neighbouring with the first communication equipment in network, and proximity relations is recorded in the 6th list；

If S311, the network control module of center to center communications equipment receive the response message of communication equipment, and by the response Message sends the line power controller；

S312, the line power controller receive the response message, it is determined that the 2nd TCMS of first communication equipment Third communication equipment is not the communication equipment neighbouring with the first communication equipment in communication network, then select from the 5th list Communication equipment centered on fourth communication equipment, to the network control module of center to center communications equipment first switch control instruction is sent； Execution step S307～S308；

If the response that the network control module of S313, center to center communications equipment does not receive communication equipment in Preset Time disappears Breath, then send a notification message to the line power controller；

S314, the line power controller receive notification message, it is determined that the 2nd TCMS communication networks of first communication equipment Fourth communication equipment is neighbouring with the first communication equipment in network, and proximity relations is recorded in the 6th list；

S315, the line power controller are it is determined that after the third communication equipment neighbouring with first communication equipment, adopt Same method determines the adjacent communication equipment with the neighbouring communication equipment of the first communication equipment from the 5th list, and will be neighbouring Relation record is in the 6th list；By that analogy, until finding out the proximity relations of all communication equipments in the 5th list.

4. method according to claim 1, it is characterised in that also include：

The line power controller receives the second network service detection instruction, and selects communication centered on the first communication equipment to set It is standby；And send fault detect instruction to the network control module of the center to center communications equipment；

The network control module of the center to center communications equipment receives fault detect instruction, and the first of inspection center's communication equipment TCMS communication networks whether there is erroneous frame；

If a TCMS communication networks have erroneous frame, the network control module of the center to center communications equipment determines transmission erroneous frame Communication equipment, by testing result transmission display device shown；

If there is no erroneous frame, the network control module inspection center communication of the center to center communications equipment in a TCMS communication networks 2nd TCMS communication networks of equipment whether there is erroneous frame；

If the 2nd TCMS communication networks do not have erroneous frame, the network control module of the center to center communications equipment sends out testing result Display device is sent to be shown；

If the 2nd TCMS communication networks have erroneous frame, the network control module of the center to center communications equipment determines transmission erroneous frame Communication equipment, by testing result transmission display device shown.

5. method according to claim 4, it is characterised in that if a TCMS communication networks have erroneous frame, institute The network control module for stating center to center communications equipment determines the communication equipment for sending erroneous frame, including：

The network control module of the center to center communications equipment is to the line power controller dispatching centre communication equipment selection instruction；

The line power controller selects communication equipment centered on the second communication equipment in a TCMS communication networks；

The network control module of center to center communications equipment disconnects first switch and second switch；With by a TCMS communication networks It is divided into the 3rd TCMS communication networks and the 4th TCMS communication network two parts；

The network control module closure the 3rd of center to center communications equipment is switched, and the first commutator is thrown into the low level to first port Line connection end and the second commutator is thrown into the high bit line connection end to first port, to detect that the 3rd TCMS communication networks are It is no to there is erroneous frame；

The network control module of center to center communications equipment to each communication equipment in the 3rd TCMS communication networks sends detection request, And detect that the 3rd TCMS communication networks whether there is erroneous frame；

If the 3rd TCMS communication networks do not have erroneous frame, the network control module closure the 4th of center to center communications equipment is switched, and First commutator is thrown into low-bit line connection end to second port and the second commutator is thrown into the high position to second port Line connection end, to detect that the 4th TCMS communication networks whether there is erroneous frame；

The network control module of center to center communications equipment to each communication equipment in the 2nd TCMS communication networks sends detection request, And detect that the 4th TCMS communication networks whether there is erroneous frame；

If the 4th TCMS communication networks do not have erroneous frame, the network control module of center to center communications equipment determines that the second communication sets The standby communication equipment to send erroneous frame in a TCMS communication networks；

If the 4th TCMS communication networks have erroneous frame, the 4th TCMS communication networks are divided into by two parts using same method, Detect that two parts whether there is erroneous frame respectively, by that analogy until finding out the communication equipment for sending erroneous frame；

If the 3rd TCMS communication networks have erroneous frame, the 3rd TCMS communication networks are divided into by two parts using same method, Detect that two parts whether there is erroneous frame respectively, by that analogy until finding out the communication equipment for sending erroneous frame.

6. method according to claim 4, it is characterised in that if the 2nd TCMS communication networks have erroneous frame, institute The network control module for stating center to center communications equipment determines the communication equipment for sending erroneous frame, including：

The line power controller selects communication equipment centered on the second communication equipment in the 2nd TCMS communication networks；

The network control module of center to center communications equipment disconnects first switch and second switch；With by the 2nd TCMS communication networks It is divided into the 5th TCMS communication networks and the 6th TCMS communication network two parts；

The network control module closure the 3rd of center to center communications equipment is switched, and the first commutator is thrown into the low level to first port Line connection end and the second commutator is thrown into the high bit line connection end to first port, to detect that the 5th TCMS communication networks are It is no to there is erroneous frame；

The network control module of center to center communications equipment to each communication equipment in the 5th TCMS communication networks sends detection request, And detect that the 5th TCMS communication networks whether there is erroneous frame；

If the 5th TCMS communication networks do not have erroneous frame, the network control module closure the 4th of center to center communications equipment is switched, and First commutator is thrown into low-bit line connection end to second port and the second commutator is thrown into the high position to second port Line connection end, to detect that the 6th TCMS communication networks whether there is erroneous frame；

The network control module of center to center communications equipment to each communication equipment in the 2nd TCMS communication networks sends detection request, And detect that the 6th TCMS communication networks whether there is erroneous frame；

If the 6th TCMS communication networks do not have erroneous frame, the network control module of center to center communications equipment determines that the second communication sets The standby communication equipment to send erroneous frame in a TCMS communication networks；

If the 6th TCMS communication networks have erroneous frame, the 6th TCMS communication networks are divided into by two parts using same method, Detect that two parts whether there is erroneous frame respectively, by that analogy until finding out the communication equipment for sending erroneous frame；

If the 5th TCMS communication networks have erroneous frame, the 5th TCMS communication networks are divided into by two parts using same method, Detect that two parts whether there is erroneous frame respectively, by that analogy until finding out the communication equipment for sending erroneous frame.

7. method according to claim 1, it is characterised in that also include：

If a TCMS communication networks have erroneous frame, the network control module of the center to center communications equipment is to the power line Controller dispatching centre communication equipment selection instruction；

The line power controller receives the instruction of center to center communications equipment choice, select from a TCMS communication networks with it is described in Communication equipment centered on the second neighbouring communication equipment of heart communication equipment, and disconnect the first switch and second of the second communication equipment Switch and closure the 3rd are switched,

The network control module of center to center communications equipment detects that a TCMS communication networks of the second communication equipment whether there is mistake Frame；

If there is no erroneous frame, the network control mould of center to center communications equipment in a TCMS communication networks of the second communication equipment Block determines that the second communication equipment is the communication equipment that erroneous frame is sent in a TCMS communication networks；

If a TCMS communication networks of the second communication equipment have erroneous frame, by that analogy, successively will according to proximity relations Communication equipment first switch and second switch in first TCMS communication networks disconnects and the 3rd switch closure, using same Method is until find out the communication equipment for sending erroneous frame；Testing result transmission display device is shown；

If a TCMS communication networks do not have erroneous frame, the network control module of the center to center communications equipment is to the power line Controller dispatching centre communication equipment selection instruction；

The line power controller receives the instruction of center to center communications equipment choice, select from the 2nd TCMS communication networks with it is described in Communication equipment centered on the neighbouring third communication equipment of heart communication equipment, and disconnect the first switch and second of third communication equipment Switch and closure the 3rd are switched,

What the network control module detection of center to center communications equipment was made up of third communication equipment and a TCMS communication networks New TCMS communication networks whether there is erroneous frame；

If the new TCMS communication networks have erroneous frame, the network control module of center to center communications equipment determines the third communication Equipment is the communication equipment that erroneous frame is sent in new TCMS communication networks；

If the new TCMS communication networks do not have erroneous frame, by that analogy, according to proximity relations the 2nd TCMS is led to successively Communication equipment in communication network is added in a TCMS communication networks, using same method until finding out transmission erroneous frame Communication equipment, by testing result transmission display device shown.

8. method according to claim 4, it is characterised in that the center to center communications equipment is in the TCMS communication networks The communication equipment in network centre position.