阅读说明：本技术 一种具有通信接口的计轴设备 (Axle counting equipment with communication interface ) 是由 陈强 张国军 黄彦东 诺力格尔 张伟 李润雷 张健 赵一鹏 王婧 宁佳 范思阳 于 2019-11-14 设计创作，主要内容包括：本申请公开了一种具有通信接口的计轴设备,所述具有通信接口的计轴设备利用以太网通信的通信接口替代传统的继电接口,将多个分散式轨道继电器取消,大大降低了计轴设备的成本,也降低了由于分散式轨道继电器故障而导致的计轴设备对于所在区段占用情况的监测出现误判的情况；此外,所述具有通信接口的计轴设备通过数据编码的方式传输计轴设备所在区段的占用情况,防止通信过程出现延迟、丢包、错码等情况,提高了数据传输的安全性。(The utility model discloses axle counting equipment with a communication interface, the axle counting equipment with the communication interface utilizes the communication interface of Ethernet communication to replace the traditional relay interface, and a plurality of distributed track relays are cancelled, so that the cost of the axle counting equipment is greatly reduced, and the condition that misjudgment occurs in the monitoring of the occupation condition of the section where the axle counting equipment is located due to the fault of the distributed track relays is also reduced; in addition, the axle counting device with the communication interface transmits the occupation condition of the section where the axle counting device is located in a data coding mode, so that the situations of delay, packet loss, code error and the like in the communication process are prevented, and the safety of data transmission is improved.)

1. An axle counting device having a communication interface, comprising: the device comprises a first communication unit and a plurality of axle counting units connected with the first communication unit;

the axle counting unit includes: a first wheel sensor for outputting a wheel-pair-passing signal when the rail vehicle passes;

the first preprocessing module is connected with the first wheel sensor and used for preprocessing the driving signals of the wheel pairs to obtain wheel pair information which can be identified by the first counting plate;

the first counting board is connected with the first preprocessing module and used for determining the occupation information of the section where the axle counting device with the communication interface is located according to the information of the entering wheel pair and the information of the exiting wheel pair of the section where the axle counting device with the communication interface is located;

the first communication unit is used for managing a first counting plate in the plurality of axle counting units, voting the occupation information transmitted by the first counting plate, acquiring the occupation condition of the section where the axle counting equipment with the communication interface is located, and sending the occupation condition to the interlocking equipment in an Ethernet communication mode.

2. The axle counting device with communication interface of claim 1, further comprising: a second communication unit;

the second communication unit is used for managing the first counting plates in the plurality of axle counting units, voting the occupation information transmitted by the first counting plates, acquiring the occupation condition of the section where the axle counting equipment with the communication interface is located, and sending the occupation condition to the interlocking equipment in an Ethernet communication mode;

the first communication unit and the second communication unit are also used for voting that the first communication unit and the second communication unit are a main communication unit or a standby communication unit respectively.

3. The axle counting device with communication interface as claimed in claim 2, wherein the first communication unit comprises: the system comprises a first communication Ethernet board, a first communication mainboard, a second communication mainboard, a first communication state board and a first communication power supply board; wherein the content of the first and second substances,

the first communication power panel is used for receiving a system power supply and is configured to provide a working power supply for the first communication Ethernet board, the first communication mainboard, the second communication mainboard and the first communication status panel;

the first communication state board is used for voting that the first communication unit or the second communication unit is a main communication unit or a standby communication unit;

the first communication main board and the second communication main board are used for managing a first counting board in the plurality of axle counting units, voting the occupation information transmitted by the first counting board and then obtaining the occupation condition of the section where the axle counting equipment with the communication interface is located;

and the first communication Ethernet board is used for sending the occupation situation to the interlocking equipment in an Ethernet communication mode.

4. The axle counting device with communication interface as claimed in claim 3, wherein the first communication motherboard comprises a first CPU and a second CPU;

after voting is carried out on the occupation information transmitted by the first counting board by the first communication mainboard, the occupation situation of the zone where the axle counting equipment with the communication interface is located is obtained, the occupation situation of the zone where the axle counting equipment with the communication interface is located is determined by the first CPU and the second CPU according to the occupation information transmitted by the first counting board, and the occupation situation of the zone where the axle counting equipment with the communication interface is located is output under the condition that the occupation situations of the zones where the axle counting equipment with the communication interface is located, which are determined by the first CPU and the second CPU, are the same;

the second communication mainboard comprises a third CPU and a fourth CPU;

the second communication main board votes the occupation information transmitted by the first counting board, obtains the occupation situation of the zone where the axle counting device with the communication interface is located, and the third CPU and the fourth CPU determine the occupation situation of the zone where the axle counting device with the communication interface is located according to the occupation information transmitted by the first counting board, and output the occupation situation of the zone where the axle counting device with the communication interface is located under the condition that the occupation situations of the zones where the axle counting device with the communication interface is located, which are determined by the third CPU and the fourth CPU, are the same.

5. The axle counting device with communication interface of claim 3, wherein said axle counting unit further comprises: a first input-output board;

the first counting plate is also used for providing working power supply for the first input and output plate and outputting control commands to the first input and output plate;

the first input and output board is used for enabling the axle counting equipment with the communication interface when the axle counting equipment is in a relay mode, executing a control command of the first counting board and outputting a driving condition of the track relay according to the control command.

6. The axle counting device with communication interface as claimed in claim 3, wherein the first counting plate determines the occupancy information of the section in which the axle counting device with communication interface is located, in particular for the purpose of determining the occupancy information of the section in which the axle counting device with communication interface is located, based on the incoming wheel pair information and the outgoing wheel pair information of the section in which the axle counting device with communication interface is located,

when the number of the wheels entering the section where the axle counting device with the communication interface is located is equal to the number of the wheels exiting the section, determining that the occupation information of the section where the axle counting device with the communication interface is located is in an idle state;

and when the number of the wheels entering the section where the axle counting device with the communication interface is located is not equal to the number of the wheels leaving the section, determining that the occupation information of the section where the axle counting device with the communication interface is located is an occupation state.

7. The axle counting device with communication interface as claimed in claim 2, wherein the second communication unit comprises: the second communication Ethernet board, the third communication mainboard, the fourth communication mainboard, the second communication state board and the second communication power board; wherein the content of the first and second substances,

the second communication power panel is used for receiving a system power supply and is configured to provide a working power supply for the second communication Ethernet board, the second communication mainboard and the second communication status panel;

the second communication state board is used for voting that the second communication unit or the first communication unit is a main communication unit or a standby communication unit;

the third communication main board and the fourth communication main board are used for managing the first counting boards in the plurality of axle counting units, voting the occupation information transmitted by the first counting boards and then obtaining the occupation condition of the section where the axle counting equipment with the communication interface is located;

and the second communication Ethernet board is used for sending the occupation situation to the interlocking equipment in an Ethernet communication mode.

8. The axle counting device with communication interface of claim 7, wherein the axle counting unit further comprises: a second input-output board;

the first counting plate is also used for providing working power supply for the second input and output plate and outputting control commands to the second input and output plate;

and the second input/output board is used for enabling the axle counting equipment with the communication interface when the axle counting equipment is in a relay mode, executing the control command of the first counting board and outputting the driving condition of the track relay according to the control command.

9. The axle counting device with communication interface as claimed in claim 7, wherein the first counting plate determines the occupancy information of the section in which the axle counting device with communication interface is located, in particular for the purpose of determining the occupancy information of the section in which the axle counting device with communication interface is located, based on the incoming wheel pair information and the outgoing wheel pair information of the section in which the axle counting device with communication interface is located,

when the number of the wheels entering the section where the axle counting device with the communication interface is located is equal to the number of the wheels exiting the section, determining that the occupation information of the section where the axle counting device with the communication interface is located is in an idle state;

and when the number of the wheels entering the section where the axle counting device with the communication interface is located is not equal to the number of the wheels leaving the section, determining that the occupation information of the section where the axle counting device with the communication interface is located is an occupation state.

10. The axle counting device with communication interface as claimed in claim 7, wherein the third communication motherboard comprises a fifth CPU and a sixth CPU;

the third communication main board votes the occupation information transmitted by the first counting board, obtains the occupation situation of the section where the axle counting device with the communication interface is located, and specifically, the fifth CPU and the sixth CPU determine the occupation situation of the section where the axle counting device with the communication interface is located according to the occupation information transmitted by the first counting board, and output the occupation situation of the section where the axle counting device with the communication interface is located under the condition that the occupation situations of the sections where the axle counting device with the communication interface is located, determined by the fifth CPU and the sixth CPU, are the same;

the fourth communication main board comprises a seventh CPU and an eighth CPU;

the fourth communication main board votes the occupation information transmitted by the first counting board, obtains the occupation situation of the section where the axle counting device with the communication interface is located, and the seventh CPU and the eighth CPU determine the occupation situation of the section where the axle counting device with the communication interface is located according to the occupation information transmitted by the first counting board, and output the occupation situation of the section where the axle counting device with the communication interface is located under the condition that the occupation situations of the sections where the axle counting device with the communication interface is located, determined by the seventh CPU and the eighth CPU, are the same.

Technical Field

The application relates to the technical field of railway signals, in particular to axle counting equipment with a communication interface.

Background

Rail transit has become the most prominent means of long-distance transportation for our time. The method includes the steps that the use condition of a track section needs to be accurately monitored in the running process of the railway vehicle, when an occupied state of one track section is monitored, the track section is closed to prevent other railway vehicles from entering the track section, and when an idle state of one track section is monitored, the track section is opened to enable the track section to be normally used.

The axle counting device, also called a microcomputer axle counting device, is one of the devices for monitoring the use state of the track section, and judges whether the track section is occupied or not by monitoring the number of wheel pairs of the railway vehicle passing through between the axle counting points of the track section. The working principle of the axle counting device is that axle counting points are respectively arranged at the entrance and exit ends of a track section, the number of wheel pairs of the railway vehicles running into the track section and the number of wheel pairs of the railway vehicles outputting the track section are monitored, and then the occupation condition of the section is judged by comparing the number of the running-in wheel pairs and the running-out wheel pairs.

However, in practical use, it is found that misjudgment often occurs in monitoring of a track section by an axle counting device, and how to reduce the probability of misjudgment occurring in monitoring of the track section by the axle counting device becomes an urgent problem to be solved.

Disclosure of Invention

In order to solve the technical problem, the application provides an axle counting device with a communication interface, so as to achieve the purpose of reducing the probability of monitoring misjudgment of the axle counting device on a track section.

In order to achieve the technical purpose, the embodiment of the application provides the following technical scheme:

an axle counting device having a communication interface, comprising: the device comprises a first communication unit and a plurality of axle counting units connected with the first communication unit;

the axle counting unit includes: a first wheel sensor for outputting a wheel-pair-passing signal when the rail vehicle passes;

the first preprocessing module is connected with the first wheel sensor and used for preprocessing the driving signals of the wheel pairs to obtain wheel pair information which can be identified by the first counting plate;

the first counting board is connected with the first preprocessing module and used for determining the occupation information of the section where the axle counting device with the communication interface is located according to the information of the entering wheel pair and the information of the exiting wheel pair of the section where the axle counting device with the communication interface is located;

the first communication unit is used for managing a first counting plate in the plurality of axle counting units, voting the occupation information transmitted by the first counting plate, acquiring the occupation condition of the section where the axle counting equipment with the communication interface is located, and sending the occupation condition to the interlocking equipment in an Ethernet communication mode.

Optionally, the method further includes: a second communication unit;

the second communication unit is used for managing the first counting plates in the plurality of axle counting units, voting the occupation information transmitted by the first counting plates, acquiring the occupation condition of the section where the axle counting equipment with the communication interface is located, and sending the occupation condition to the interlocking equipment in an Ethernet communication mode;

the first communication unit and the second communication unit are also used for voting that the first communication unit and the second communication unit are a main communication unit or a standby communication unit respectively.

Optionally, the first communication unit includes: the system comprises a first communication Ethernet board, a first communication mainboard, a second communication mainboard, a first communication state board and a first communication power supply board; wherein the content of the first and second substances,

the first communication power panel is used for receiving a system power supply and is configured to provide a working power supply for the first communication Ethernet board, the first communication mainboard, the second communication mainboard and the first communication status panel;

the first communication state board is used for voting that the first communication unit or the second communication unit is a main communication unit or a standby communication unit;

the first communication main board and the second communication main board are used for managing a first counting board in the plurality of axle counting units, voting the occupation information transmitted by the first counting board and then obtaining the occupation condition of the section where the axle counting equipment with the communication interface is located;

and the first communication Ethernet board is used for sending the occupation situation to the interlocking equipment in an Ethernet communication mode.

Optionally, the first communication motherboard includes a first CPU and a second CPU;

after voting is carried out on the occupation information transmitted by the first counting board by the first communication mainboard, the occupation situation of the zone where the axle counting equipment with the communication interface is located is obtained, the occupation situation of the zone where the axle counting equipment with the communication interface is located is determined by the first CPU and the second CPU according to the occupation information transmitted by the first counting board, and the occupation situation of the zone where the axle counting equipment with the communication interface is located is output under the condition that the occupation situations of the zones where the axle counting equipment with the communication interface is located, which are determined by the first CPU and the second CPU, are the same;

the second communication mainboard comprises a third CPU and a fourth CPU;

the second communication main board votes the occupation information transmitted by the first counting board, obtains the occupation situation of the zone where the axle counting device with the communication interface is located, and the third CPU and the fourth CPU determine the occupation situation of the zone where the axle counting device with the communication interface is located according to the occupation information transmitted by the first counting board, and output the occupation situation of the zone where the axle counting device with the communication interface is located under the condition that the occupation situations of the zones where the axle counting device with the communication interface is located, which are determined by the third CPU and the fourth CPU, are the same.

Optionally, the axle counting unit further includes: a first input-output board;

the first counting plate is also used for providing working power supply for the first input and output plate and outputting control commands to the first input and output plate;

the first input and output board is used for enabling the axle counting equipment with the communication interface when the axle counting equipment is in a relay mode, executing a control command of the first counting board and outputting a driving condition of the track relay according to the control command.

Optionally, the first counting board determines, according to the incoming wheel pair information and the outgoing wheel pair information of the section where the axle counting device with the communication interface is located, that the occupancy information of the section where the axle counting device with the communication interface is located is specifically used,

when the number of the wheels entering the section where the axle counting device with the communication interface is located is equal to the number of the wheels exiting the section, determining that the occupation information of the section where the axle counting device with the communication interface is located is in an idle state;

and when the number of the wheels entering the section where the axle counting device with the communication interface is located is not equal to the number of the wheels leaving the section, determining that the occupation information of the section where the axle counting device with the communication interface is located is an occupation state.

Optionally, the second communication unit includes: the second communication Ethernet board, the third communication mainboard, the fourth communication mainboard, the second communication state board and the second communication power board; wherein the content of the first and second substances,

the second communication power panel is used for receiving a system power supply and is configured to provide a working power supply for the second communication Ethernet board, the second communication mainboard and the second communication status panel;

the second communication state board is used for voting that the second communication unit or the first communication unit is a main communication unit or a standby communication unit;

the third communication main board and the fourth communication main board are used for managing the first counting boards in the plurality of axle counting units, voting the occupation information transmitted by the first counting boards and then obtaining the occupation condition of the section where the axle counting equipment with the communication interface is located;

and the second communication Ethernet board is used for sending the occupation situation to the interlocking equipment in an Ethernet communication mode.

Optionally, the axle counting unit further comprises: a second input-output board;

the first counting plate is also used for providing working power supply for the second input and output plate and outputting control commands to the second input and output plate;

and the second input/output board is used for enabling the axle counting equipment with the communication interface when the axle counting equipment is in a relay mode, executing the control command of the first counting board and outputting the driving condition of the track relay according to the control command.

Optionally, the first counting board determines, according to the incoming wheel pair information and the outgoing wheel pair information of the section where the axle counting device with the communication interface is located, that the occupancy information of the section where the axle counting device with the communication interface is located is specifically used,

when the number of the wheels entering the section where the axle counting device with the communication interface is located is equal to the number of the wheels exiting the section, determining that the occupation information of the section where the axle counting device with the communication interface is located is in an idle state;

and when the number of the wheels entering the section where the axle counting device with the communication interface is located is not equal to the number of the wheels leaving the section, determining that the occupation information of the section where the axle counting device with the communication interface is located is an occupation state.

Optionally, the third communication motherboard includes a fifth CPU and a sixth CPU;

the third communication main board votes the occupation information transmitted by the first counting board, obtains the occupation situation of the section where the axle counting device with the communication interface is located, and specifically, the fifth CPU and the sixth CPU determine the occupation situation of the section where the axle counting device with the communication interface is located according to the occupation information transmitted by the first counting board, and output the occupation situation of the section where the axle counting device with the communication interface is located under the condition that the occupation situations of the sections where the axle counting device with the communication interface is located, determined by the fifth CPU and the sixth CPU, are the same;

the fourth communication main board comprises a seventh CPU and an eighth CPU;

the fourth communication main board votes the occupation information transmitted by the first counting board, obtains the occupation situation of the section where the axle counting device with the communication interface is located, and the seventh CPU and the eighth CPU determine the occupation situation of the section where the axle counting device with the communication interface is located according to the occupation information transmitted by the first counting board, and output the occupation situation of the section where the axle counting device with the communication interface is located under the condition that the occupation situations of the sections where the axle counting device with the communication interface is located, determined by the seventh CPU and the eighth CPU, are the same.

It can be seen from the foregoing technical solutions that, in the axle counting device with the communication interface, wheel pair passing signals of a railway vehicle are monitored by a first wheel sensor in a plurality of axle counting units, occupancy information of a section where the axle counting device with the communication interface is located is determined through processing of a first preprocessing module and a first counting board, and finally, occupancy of the section where the axle counting device is located is determined through the first communication unit according to the occupancy information transmitted by the first counting board, and the occupancy of the section where the axle counting device with the communication interface is located is sent to an interlock device in an ethernet communication manner, so that the interlock device correspondingly manages the section where the axle counting device is located according to the occupancy. The axle counting equipment with the communication interface replaces a traditional relay interface with the communication interface of Ethernet communication, and a plurality of distributed track relays are eliminated, so that the cost of the axle counting equipment is greatly reduced, and the condition that the axle counting equipment misjudges the monitoring of the occupation condition of the section where the axle counting equipment is located due to the fault of the distributed track relays is also reduced; in addition, the axle counting device with the communication interface transmits the occupation condition of the section where the axle counting device is located in a data coding mode, so that the situations of delay, packet loss, code error and the like in the communication process are prevented, and the safety of data transmission is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an axle counting device with a communication interface according to an embodiment of the present application.

Detailed Description

As mentioned in the background, in the prior art, the monitoring of the track section by the axle counting device often causes misjudgment, and the inventors have found through research summary that the misjudgment is roughly divided into the following cases:

(1) all of the axle counting track relays in all of the interlocked areas fall off in the absence of a train, which indicates that there are no rail vehicles in the track section but that a red light band is still displayed.

(2) One or several of the axle counting track relays fall down without a rail vehicle, which is represented by the fact that the rail vehicle of the respective track section has cleared, but nevertheless displays a red light band.

(3) The axle counting section is disturbed.

It follows that the most common faults of axle counting devices are related to the track relay.

In view of this, an embodiment of the present application provides an axle counting device with a communication interface, including: a first axle counting module; the first axle counting module comprises:

the device comprises a first communication unit and a plurality of axle counting units connected with the first communication unit;

the axle counting unit includes: a first wheel sensor for outputting a wheel-pair-passing signal when the rail vehicle passes;

the first preprocessing module is connected with the first wheel sensor and used for preprocessing the driving signals of the wheel pairs to obtain wheel pair information which can be identified by the first counting plate;

the first counting board is connected with the first preprocessing module and used for determining the occupation information of the section where the axle counting device with the communication interface is located according to the information of the entering wheel pair and the information of the exiting wheel pair of the section where the axle counting device with the communication interface is located;

the first communication unit is used for managing a first counting plate in the plurality of axle counting units, voting the occupation information transmitted by the first counting plate, acquiring the occupation condition of the section where the axle counting equipment with the communication interface is located, and sending the occupation condition to the interlocking equipment in an Ethernet communication mode.

The axle counting device with the communication interface monitors wheel pair passing signals of a railway vehicle through a first wheel sensor in a plurality of axle counting units, determines occupancy information of a zone where the axle counting device with the communication interface is located through processing of a first preprocessing module and a first counting board, finally determines the occupancy condition of the zone where the axle counting device is located through the first communication unit according to the occupancy information transmitted by the first counting board, and sends the occupancy condition of the zone where the axle counting device with the communication interface is located to the interlocking device in an Ethernet communication mode, so that the interlocking device correspondingly manages the zone where the axle counting device is located according to the occupancy condition. The axle counting equipment with the communication interface replaces a traditional relay interface with the communication interface of Ethernet communication, and a plurality of distributed track relays are eliminated, so that the cost of the axle counting equipment is greatly reduced, and the condition that the axle counting equipment misjudges the monitoring of the occupation condition of the section where the axle counting equipment is located due to the fault of the distributed track relays is also reduced; in addition, the axle counting device with the communication interface transmits the occupation condition of the section where the axle counting device is located in a data coding mode, so that the situations of delay, packet loss, code error and the like in the communication process are prevented, and the safety of data transmission is improved.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

An embodiment of the present application provides an axle counting device with a communication interface, as shown in fig. 1, including: a first communication unit 11 and a plurality of axle counting units 12 connected to the first communication unit 11;

the axle counting unit 12 includes: a first wheel sensor for outputting a wheel-pair-passing signal when the rail vehicle passes;

the first preprocessing module 121 is connected to the first wheel sensor, and the first preprocessing module 121 is configured to preprocess the wheel pair driving signal to obtain wheel pair information that can be recognized by the first counting plate;

the first counting board is connected to the first preprocessing module 121, and the first counting board is configured to determine occupancy information of a section where the axle counting device with the communication interface is located according to the entering wheel pair information and the exiting wheel pair information of the section where the axle counting device with the communication interface is located;

the first communication unit 11 is configured to manage a first counting plate in the plurality of axle counting units, vote the occupation information transmitted by the first counting plate, obtain an occupation situation of a section where the axle counting device with the communication interface is located, and send the occupation situation to the interlock device in an ethernet communication manner.

Referring to fig. 1, a plurality of axle counting units 12 in the first axle counting module 10 implement data transmission with a first communication unit 11 by means of CAN (Controller area network) communication, where CANA, CANB, CANC, CAND, and CAN in fig. 1 are communication connection lines in a CAN bus, respectively. The first communication unit 11 implements data transmission with the interlock device by means of ethernet communication.

The axle counting equipment with the communication interface provided by the embodiment of the application utilizes the communication interface of Ethernet communication to replace the traditional relay interface, uses a plurality of distributed track relay curves as a transmission channel for an Ethernet network cable, ensures the communication safety through data coding, and has the following beneficial effects:

(1) the cost of each track relay is about 2000 yuan, a large number of distributed track relays are cancelled, and the cost is obviously reduced;

(2) the track relay is large in size, large in consumption and very large in occupied space, and after the track relay is cancelled, the equipment integration level is further improved, and a large amount of space is saved;

(3) the track relay is used as mechanical equipment and needs to be replaced and maintained regularly, and engineering construction and equipment maintenance are facilitated after the track relay is cancelled;

(4) the single-track relay interface is replaced by the redundant communication channel, so that the transmission reliability is improved, and the failure rate is lower;

(5) and the single state of the track relay is replaced by the safety code, so that the transmission safety is improved, and the error rate is lower.

On the basis of the above-mentioned embodiment, in an embodiment of the present application, still referring to fig. 1, the axle counting apparatus with communication interface further includes: a second communication unit 21;

the second communication unit 21 is configured to manage the first counting plates in the plurality of axle counting units 12, vote the occupation information transmitted by the first counting plates, obtain the occupation situation of the section where the axle counting device with the communication interface is located, and send the occupation situation to the interlock device in an ethernet communication manner;

the first communication unit 11 and the second communication unit 21 are further configured to vote that the first communication unit 11 and the second communication unit 21 are a master communication unit or a backup communication unit, respectively.

In the present embodiment, the purpose of adding the second communication unit 21 is to add a redundant channel to enable the second communication unit 21 when the first communication unit 11 has an error, or to enable the first communication unit 11 when the second communication unit 21 has an error, so as to further increase the operation stability of the axle counting device with a communication interface.

Specifically, the first communication unit 11 and the second communication unit 21 vote that the first communication unit 11 and the second communication unit 21 are respectively a main communication unit or a standby communication unit, which means that when the first communication unit 11 is the main communication unit and the second communication unit 21 is the standby communication unit, the first communication unit 11 is in a working state and the second communication unit 21 is in a standby state; when the second communication unit 21 is a master communication unit and the first communication unit 11 is a standby communication unit, the first communication unit 11 is in a standby state and the second communication unit 21 is in an operating state.

The master system communication unit and the backup system communication unit have many conditions, for example, an interlock circuit is used, so that the master system and the backup system conditions can be generated, the interlock circuit can provide a plurality of mining nodes, the nodes are mining conditions, and the master system and the backup system which are output can be guided to be correct or not only by acquiring the states of the nodes at a certain moment, for example, a high level is acquired at a certain node, the node of the axle counting module which is in a working state must output the high level, the two logics are consistent, the state is correct, if the states are inconsistent, alarm information can be output, and the output is cut off.

Another embodiment of the present application provides a specific structure of the first communication unit 11 and the second communication unit 21, still referring to fig. 1, the first communication unit 11 includes: the system comprises a first communication Ethernet board, a first communication mainboard, a second communication mainboard, a first communication state board and a first communication power supply board; wherein the content of the first and second substances,

the first communication power panel is used for receiving a system power supply and is configured to provide a working power supply for the first communication Ethernet board, the first communication mainboard, the second communication mainboard and the first communication status panel;

the first communication state board is used for voting the first communication unit 11 or the second communication unit 21 as a main communication unit or a standby communication unit;

the first communication main board and the second communication main board are used for managing a first counting board in the plurality of axle counting units 12, voting the occupation information transmitted by the first counting board, and then obtaining the occupation condition of the zone where the axle counting equipment with the communication interface is located;

and the first communication Ethernet board is used for sending the occupation situation to the interlocking equipment in an Ethernet communication mode.

The first communication mainboard comprises a first CPU and a second CPU;

after voting is carried out on the occupation information transmitted by the first counting board by the first communication mainboard, the occupation situation of the zone where the axle counting equipment with the communication interface is located is obtained, the occupation situation of the zone where the axle counting equipment with the communication interface is located is determined by the first CPU and the second CPU according to the occupation information transmitted by the first counting board, and the occupation situation of the zone where the axle counting equipment with the communication interface is located is output under the condition that the occupation situations of the zones where the axle counting equipment with the communication interface is located, which are determined by the first CPU and the second CPU, are the same;

the second communication mainboard comprises a third CPU and a fourth CPU;

the second communication main board votes the occupation information transmitted by the first counting board, obtains the occupation situation of the zone where the axle counting device with the communication interface is located, and the third CPU and the fourth CPU determine the occupation situation of the zone where the axle counting device with the communication interface is located according to the occupation information transmitted by the first counting board, and output the occupation situation of the zone where the axle counting device with the communication interface is located under the condition that the occupation situations of the zones where the axle counting device with the communication interface is located, which are determined by the third CPU and the fourth CPU, are the same.

In this embodiment, the third communication motherboard and the fourth communication motherboard further have 2 × 2 functions, that is, each communication motherboard includes two independent CPUs, each CPU operates independently, and only when the output results of the two CPUs are consistent, the output of the communication motherboard is considered to be valid.

In addition, in this embodiment, the purpose of including two communication motherboards in the first communication unit 11 is also to further increase the operation stability of the axle counting device with the communication interface, so that the interlock device can perform corresponding judgment according to the output structure of another communication motherboard when the output of one communication motherboard is invalid.

The first counting board determines the occupation information of the section where the axle counting device with the communication interface is located according to the entering wheel pair information and the exiting wheel pair information of the section where the axle counting device with the communication interface is located,

when the number of the wheels entering the section where the axle counting device with the communication interface is located is equal to the number of the wheels exiting the section, determining that the occupation information of the section where the axle counting device with the communication interface is located is in an idle state;

and when the number of the wheels entering the section where the axle counting device with the communication interface is located is not equal to the number of the wheels leaving the section, determining that the occupation information of the section where the axle counting device with the communication interface is located is an occupation state.

The second communication unit 21 includes: the second communication Ethernet board, the third communication mainboard, the fourth communication mainboard, the second communication state board and the second communication power board; wherein the content of the first and second substances,

the second communication power panel is used for receiving a system power supply and is configured to provide a working power supply for the second communication Ethernet board, the second communication mainboard and the second communication status panel;

the second communication state board is used for voting the second communication unit 21 or the second communication unit 21 as a main communication unit or a standby communication unit;

the third communication main board and the fourth communication main board are used for managing the first counting boards in the plurality of axle counting units 22, voting the occupation information transmitted by the first counting boards, and then obtaining the occupation condition of the section where the axle counting equipment with the communication interface is located;

and the second communication Ethernet board is used for sending the occupation situation to the interlocking equipment in an Ethernet communication mode.

The first counting board determines the occupation information of the section where the axle counting device with the communication interface is located according to the entering wheel pair information and the exiting wheel pair information of the section where the axle counting device with the communication interface is located,

when the number of the wheels entering the section where the axle counting device with the communication interface is located is equal to the number of the wheels exiting the section, determining that the occupation information of the section where the axle counting device with the communication interface is located is in an idle state;

and when the number of the wheels entering the section where the axle counting device with the communication interface is located is not equal to the number of the wheels leaving the section, determining that the occupation information of the section where the axle counting device with the communication interface is located is an occupation state.

The third communication mainboard comprises a fifth CPU and a sixth CPU;

the third communication main board votes the occupation information transmitted by the first counting board, obtains the occupation situation of the section where the axle counting device with the communication interface is located, and specifically, the fifth CPU and the sixth CPU determine the occupation situation of the section where the axle counting device with the communication interface is located according to the occupation information transmitted by the first counting board, and output the occupation situation of the section where the axle counting device with the communication interface is located under the condition that the occupation situations of the sections where the axle counting device with the communication interface is located, determined by the fifth CPU and the sixth CPU, are the same;

the fourth communication main board comprises a seventh CPU and an eighth CPU;

the fourth communication main board votes the occupation information transmitted by the first counting board, obtains the occupation situation of the section where the axle counting device with the communication interface is located, and the seventh CPU and the eighth CPU determine the occupation situation of the section where the axle counting device with the communication interface is located according to the occupation information transmitted by the first counting board, and output the occupation situation of the section where the axle counting device with the communication interface is located under the condition that the occupation situations of the sections where the axle counting device with the communication interface is located, determined by the seventh CPU and the eighth CPU, are the same.

In this embodiment, the third communication motherboard and the fourth communication motherboard further have 2 × 2 functions, that is, each communication motherboard includes two independent CPUs, each CPU operates independently, and only when the output results of the two CPUs are consistent, the output of the communication motherboard is considered to be valid.

In addition, in this embodiment, the purpose of including two communication motherboards in the second communication unit 21 is also to further increase the operation stability of the axle counting device with a communication interface, so that the interlock device can perform corresponding judgment according to the output structure of another communication motherboard when the output of one communication motherboard is invalid.

On the basis of the above embodiment, in another embodiment of the present application, the axle counting unit 12 further includes: a first input-output board;

the first counting plate is also used for providing working power supply for the first input and output plate and outputting control commands to the first input and output plate;

the first input and output board is used for enabling the axle counting equipment with the communication interface when the axle counting equipment is in a relay mode, executing a control command of the first counting board and outputting a driving condition of the track relay according to the control command.

The axle counting unit 22 further includes: a second input-output board;

the first counting plate is also used for providing working power supply for the second input and output plate and outputting control commands to the second input and output plate;

and the second input/output board is used for enabling the axle counting equipment with the communication interface when the axle counting equipment is in a relay mode, executing the control command of the first counting board and outputting the driving condition of the track relay according to the control command.

The existence of the first input-output board and the second input-output board enables the axle counting device with the communication interface to be compatible with communication of the track relay, and therefore the applicability of the axle counting device with the communication interface is increased.

Optionally, in fig. 1, a module axle counting device monitor 30 is further shown, where the axle counting device monitor 30 is configured to monitor the operating states of the first communication module and the second communication module, and send out corresponding alarm information when the first communication module and the second communication module are failed.

In addition, fig. 1 also shows a system power supply, and an interface P of the system power supply is used for receiving an external power supply and providing the system power supply for a first communication power supply board and a second communication power supply board, the external power supply may be an AC220 power supply, the first communication power supply board obtains an operating power supply after lightning protection, filtering and power conversion are performed on the system power supply, and the operating power supply may be a DC24V power supply.

Correspondingly, the second communication power panel obtains working power after lightning protection, filtering and power conversion are carried out on the system power, and the working power can be DC24V power.

Reference numerals A, B, C, D, E, F, G, H and I in fig. 1 are communication interfaces to be connected with the interlock device, respectively.

Still referring to fig. 1, fig. 1 also shows a possible structure of a first preprocessing module 121 and a second preprocessing module 221, wherein the first preprocessing module 121 includes a first sensor protection unit, a first signal processing interface board and a first sensor signal processing board; the second preprocessing module 221 includes a second sensor protection unit, a second signal processing interface board, and a second sensor signal processing board;

the first sensor protection unit is used for providing overvoltage protection;

the first signal processing interface board is used for processing the signals transmitted by the first wheel sensor and switching the signals to the first sensor signal processing board;

and the first sensor signal processing board is used for providing identifiable wheel pair information for the signals transmitted by the first signal processing interface board to be evaluated and the first counting board.

Correspondingly, the second sensor protection unit is used for providing overvoltage protection;

the second signal processing interface board is used for processing the signals transmitted by the second wheel sensor and transferring the signals to the second sensor signal processing board;

and the second sensor signal processing board is used for providing identifiable wheel pair information for the signals transmitted by the second signal processing interface board to the first counting board.

In summary, the embodiment of the present application provides an axle counting device with a communication interface, where the axle counting device with the communication interface monitors wheel pair passing signals of a railway vehicle through a first wheel sensor in a plurality of axle counting units, determines occupancy information of a section where the axle counting device with the communication interface is located through processing of a first preprocessing module and a first counting board, and finally determines occupancy of the section where the axle counting device is located through the first communication unit according to the occupancy information transmitted by the first counting board, and sends the occupancy of the section where the axle counting device with the communication interface is located to an interlock device in an ethernet communication manner, so that the interlock device correspondingly manages the section where the axle counting device is located according to the occupancy. The axle counting equipment with the communication interface replaces a traditional relay interface with the communication interface of Ethernet communication, and a plurality of distributed track relays are eliminated, so that the cost of the axle counting equipment is greatly reduced, and the condition that the axle counting equipment misjudges the monitoring of the occupation condition of the section where the axle counting equipment is located due to the fault of the distributed track relays is also reduced; in addition, the axle counting device with the communication interface transmits the occupation condition of the section where the axle counting device is located in a data coding mode, so that the situations of delay, packet loss, code error and the like in the communication process are prevented, and the safety of data transmission is improved.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.