Train axle temperature monitoring system

Abstract

The utility model relates to a train axle temperature monitoring system. The system is used for monitoring the axle temperature of a plurality of carriages, each carriage comprises a plurality of bogies and a plurality of axle positions, the system comprises a box body, a first axle temperature processor, a second axle temperature processor, a plurality of axle temperature converters, a plurality of axle temperature sensors and a plurality of network buses, and the first axle temperature processor, the second axle temperature processor, the plurality of axle temperature converters, the plurality of axle temperature sensors and the plurality of network buses are located in the box body. The first axle temperature converter is connected with the first axle temperature processor, the last axle temperature converter is connected with the second axle temperature processor, each axle temperature converter is connected with a plurality of axle temperature sensors, the number of the axle temperature converters corresponds to the number of bogies, and the number of the axle temperature sensors corresponds to the number of axle positions. Compared with the prior art, the axle temperature monitoring device has the advantages that axle temperature monitoring can be completed under a vehicle without depending on an on-vehicle test, the test efficiency is improved, and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to train fault detection technical field especially is involved in a train axle temperature monitoring system. BACKGROUND

[0002] Vehicle-mounted axle temperature monitoring system usually installs one axle temperature sensor at each axle box part of bogie, and through one axle temperature converter, the temperature information of four axle positions on the bogie is collected in real time. The axle temperature converter analyzes and processes the collected axle temperature information, and transmits to the axle temperature processor through FSK bus. The axle temperature processor is responsible for collecting the axle temperature information of the whole train, and after making the judgment of fault, alarm and the like, transmits the data to TCMS through MVB bus.

[0003] At present, the equipment in the axle temperature monitoring system can only be tested on the train or under the train, and the function of single equipment is tested whether normal. Therefore, how to further improve the efficiency of axle temperature test and then improve the maintenance efficiency becomes a problem to be solved in the field. UTILITY MODEL CONTENT

[0004] The utility model discloses a train axle temperature monitoring system that can complete axle temperature monitoring under the train, without relying on on-train test, and improve test efficiency.

[0005] The purpose of the utility model can be realized through the following technical schemes.

[0006] The utility model provides a train axle temperature monitoring system for monitoring the axle temperature of multiple carriages, each carriage includes multiple bogies and multiple axle positions, the system includes a box body and a first axle temperature processor, a second axle temperature processor, multiple axle temperature converters, multiple axle temperature sensors and multiple network buses inside the box body, multiple axle temperature converters are connected in series through network buses in turn, a first axle temperature converter is connected with the first axle temperature processor, and a last axle temperature converter is connected with the second axle temperature processor, each axle temperature converter is connected with multiple axle temperature sensors, the number of axle temperature converters corresponds to the number of bogies, and the number of axle temperature sensors corresponds to the number of axle positions.

[0007] As a preferred technical scheme, the other end of the first axle temperature processor and the second axle temperature processor is connected with a preset train control and management system through MVB bus.

[0008] As a preferred technical scheme, each axle temperature processor includes an MVB interface, and the MVB interface is connected with the MVB bus.

[0009] As a preferred technical scheme, each axle temperature processor further includes a network interface, and the network interface is connected with external Ethernet.

[0010] As a preferred technical scheme, each axle temperature processor further comprises a first FSK bus interface and a first power supply interface, the first FSK bus interface is connected with the corresponding axle temperature converter through the FSK bus, and the first power supply interface is connected with the auxiliary power supply.

[0011] As a preferred technical scheme, the train axle temperature monitoring system further comprises a coding connector, and the coding connector is connected with the corresponding axle temperature converter.

[0012] As a preferred technical scheme, the coding connector comprises a temperature measuring element, and two temperature measuring elements are used to collect temperature data for each axle position.

[0013] As a preferred technical scheme, each axle temperature converter comprises a coding interface, and the coding interface is connected with the coding connector.

[0014] As a preferred technical scheme, each axle temperature converter further comprises a temperature sensor interface, a second FSK bus interface and a second power supply interface, the temperature sensor interface is connected with the corresponding axle temperature sensor, the second FSK bus interface is connected with the corresponding axle temperature converter through the FSK bus, and the second power supply interface is connected with the auxiliary power supply.

[0015] As a preferred technical scheme, each axle temperature converter comprises a shell and a temperature measuring module installed in the shell, and the temperature measuring module is connected with the corresponding axle temperature sensor.

[0016] Compared with the prior art, the axle temperature monitoring system has the following beneficial effects:

[0017] 1、The axle temperature monitoring system provided by the utility model, through integrating the axle temperature processor, the axle temperature converter, the axle temperature sensor and the network bus for connecting various devices in the box body, in the actual maintenance process, the staff only needs to test the axle temperature monitoring system connection board card, can clearly and intuitively find the board card problem, can detect all the equipment at one time, saves the time spent in detecting the unclear specific fault, based on the system, can simulate the running state on the train one by one, need not test on the train, can test remotely under the train, saves time and does not occupy the train resources, reduces the risk of testing on the train, improves the work efficiency, can maintain the board card faster and more efficiently, after maintenance, also can detect whether the board card is normal and stable through the axle temperature monitoring system, need not frequently test the repaired board card in the base whether it is repaired completely, thereby saving the cost and time, also can guarantee that the repaired board card can work normally on the train, thereby also can avoid that the fault of the board card causes the damage to the train, based on the axle temperature monitoring system, can fully ensure the stability of the axle temperature system detection equipment, reduces the repair rate, so as to guarantee the safe and stable operation of the train;

[0018] 2、 The shaft temperature monitoring system provided by the utility model adopts two temperature measuring elements for each shaft position to realize redundancy backup, and improves the safety and stability of the monitoring system. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides system's structural principle schematic drawing for the utility model;

[0020] Figure 2 The utility model provides system block diagram for the embodiment of the utility model;

[0021] Figure 3 The utility model provides system's partial close-up view for the embodiment of the utility model;

[0022] Figure 4 The utility model provides system and the simulation corresponding relation of one car of the embodiment of the utility model;

[0023] Figure 5 The utility model provides part temperature controller wiring diagram for the system of the embodiment of the utility model;

[0024] Figure 6 The utility model provides the shaft temperature processor and external ethernet connection schematic drawing of the system of the embodiment of the utility model;

[0025] 1, box, 2, first shaft temperature processor, 3, second shaft temperature processor. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the utility model.

[0027] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation on the utility model. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0029] Example:

[0030] like Figure 1 As shown, this embodiment provides a train axle temperature monitoring system for monitoring the axle temperature of multiple carriages. Each carriage includes multiple bogies and multiple axle positions. The system includes a housing 1 and, inside the housing 1, a first axle temperature processor 2, a second axle temperature processor 3, multiple axle temperature converters, multiple axle temperature sensors, and multiple network buses. The multiple axle temperature converters are connected in series via the network buses. The first axle temperature converter is connected to the first axle temperature processor 2, and the last axle temperature converter is connected to the second axle temperature processor 3. Each axle temperature converter is connected to multiple axle temperature sensors. The number of axle temperature converters corresponds to the number of bogies, and the number of axle temperature sensors corresponds to the number of axle positions.

[0031] Figure 2 One connection structure of a train axle temperature monitoring system is shown. This system is used to monitor the axle temperature of a six-car train. Each car includes two bogies, and each bogie has four axle positions, for a total of eight axle positions per car. Accordingly, the housing 1 contains a first axle temperature processor 2, a second axle temperature processor 3, a total of 12 axle temperature converters 1-1, 1-2, 2-1, 2-2, 3-1, 3-2, 4-1, 4-2, 5-1, 5-2, 6-1, and 6-2, and 48 axle temperature sensors.

[0032] Figure 3 This is a partial enlarged view of one of the carriages. Each axle temperature transducer connects to four axle temperature sensors, measuring the temperature of the four axles on the left and right sides of the corresponding bogie. Optionally, each axle temperature transducer includes an MVB interface connected to an MVB bus. Each axle temperature transducer also includes a first FSK bus interface, which connects to the corresponding axle temperature transducer via the FSK bus. For example, the first axle temperature transducer 2 is connected to axle temperature transducer 1-1 via the FSK bus. Furthermore, the other end of the first axle temperature transducer 2 is connected to a pre-configured Train Control and Management System (TCMS) via an MVB bus. The interfaces of the second axle temperature transducer 3 are identical to those of the first axle temperature transducer 2, and are connected to corresponding components via appropriate network buses. Additionally, each axle temperature transducer may include a first power interface connected to an auxiliary power supply.

[0033] Figure 4 The axle temperature monitoring system is shown to correspond to one section of the car (for example, the first section, car 1). The axle temperature monitoring system corresponding to the section of the car includes axle temperature converter 1-1, axle temperature converter 1-2, and eight axle temperature sensors. One FSK bus interface of the axle temperature converter 1-1 is connected to the first axle temperature processor 2 through the FSK bus, another FSK bus interface is connected to the axle temperature converter 1-2 through the FSK bus, and the other FSK bus interface of the axle temperature converter 1-2 is connected to the axle temperature converter 2-1 of the second car through the FSK bus. The axle temperature converters of each section of the car are connected in sequence through the FSK bus in the same way as described above, until the last axle temperature converter 6-1. One FSK bus interface of the axle temperature converter 6-1 is connected to the axle temperature converter 6-2 through the FSK bus, and the other FSK bus interface is connected to the second axle temperature processor 3 through the FSK bus.

[0034] The train axle temperature monitoring system can also include a coding connector connected to the corresponding axle temperature converter. As shown in Figures 2-4 Each axle temperature converter has a corresponding coding interface, which is linked to the corresponding coding connector. For example, the axle temperature converter 1-1 has a corresponding coding interface 1-1, the axle temperature converter 1-2 has a corresponding coding interface 1-2, and so on. The system for monitoring the axle temperature of six cars includes a total of 12 coding connectors. Each coding connector includes a temperature measuring element, and two temperature measuring elements are used to collect temperature data for each axle position to achieve redundancy backup.

[0035] Further, each axle temperature converter also includes a temperature sensor interface, a second FSK bus interface, and a second power supply interface. The temperature sensor interface is connected to the corresponding axle temperature sensor, the second FSK bus interface is connected to the corresponding axle temperature converter through the FSK bus, and the second power supply interface is connected to the auxiliary power supply. As shown in Figure 3 The axle temperature converter 1-1 includes four temperature sensor interfaces and a second FSK bus interface, which are connected to four axle temperature sensors (1-4) respectively. The second FSK bus interface is connected to the axle temperature converter 1-3 through the FSK bus, and the second power supply interface is connected to the power supply DC100V. Optionally, each axle temperature converter includes a housing and a temperature measuring module installed inside the housing, which is connected to the corresponding axle temperature sensor.

[0036] Figure 5 A partial temperature controller wiring diagram of the train axle temperature monitoring system provided in the embodiment is shown. The system is used for temperature detection, and provides temperature, fault, alarm, and other information to the TCMS through the MVB bus. The system can use the following alarm methods: based on ambient temperature alarm, based on uniform temperature alarm, and absolute alarm.

[0037] Further, as shown in Figure 3 Each axle temperature processor further comprises a network interface, and the first axle temperature processor 2 and the second axle temperature processor 3 can be connected with an external Ethernet through the network interface. Figure 6 One example is given, in which the axle temperature processor_TC 1 and the axle temperature processor_TC2 are the first axle temperature processor 2 and the second axle temperature processor 3 respectively. The system can be remotely monitored and maintained through the Ethernet, and can also be directly connected with the system through the maintenance software for daily maintenance and debugging.

[0038] The axle temperature monitoring system provided by the embodiment comprises an analog structure corresponding to the number of carriages. For a six-carriage set, 12 axle temperature converters, 2 axle temperature processors, 12 axle temperature encoders and 48 axle temperature sensors are provided, which are connected together by making connection lines, can simulate the running state on the car one by one, do not need to test on the car, can test remotely under the car, and further solve the problem that the existing technology must test on the car and the single test efficiency is low. The main features of the system are as follows:

[0039] 1. No need to test on the car, can test under the car, reduce the risk of testing on the car and improve the work efficiency;

[0040] 2. All devices in the axle temperature monitoring system of the whole train can be tested at one time, meet the current new repair mode, and do not affect the normal operation;

[0041] 3. The high temperature test of axle temperature can be simulated, and the traditional on-car test does not have this function;

[0042] 4. The working energy consumption of each device can be monitored, and the traditional on-car test does not have this function.

[0043] The test functions of the system include:

[0044] Voltage and current test: each device is monitored for energy consumption, and automatically alarms and stops power supply when exceeding the normal range;

[0045] Alarm function test: simulate the actual over-temperature, first-level alarm, second-level alarm and third-level alarm functions;

[0046] Networking function test: MVB network test, LAN port network test and USB port test;

[0047] Precision inspection function test: the curve and constant temperature heating function are automatically completed by using the PID algorithm, the process is automatically cooled after completion, and the heating process is compared with the preset curve. If the temperature is too high or exceeds the curve range, the heating is automatically stopped, and the picture and sound alarm at the same time;

[0048] Set function test: through the upper software to monitor the whole set of equipment, and modify the internal parameters;

[0049] Aging test: the whole set of equipment can generate corresponding process file data according to the process requirements, and the table or curve mode is displayed.

[0050] The system has good anti-seismic, anticorrosive, heat dissipation and moisture-proof functions, and the related parameters include:

[0051] Size: (length width height) 140*100*140 units cm;

[0052] Operating temperature: -20℃-+50℃;

[0053] Storage temperature: -40℃-+85℃;

[0054] Relative humidity: the maximum relative humidity is not more than 95%;

[0055] Rated power supply: AC220V 50Hz;

[0056] Rated power: minimum 200W, maximum 1800W;

[0057] In summary, the train axle temperature monitoring system provided in the embodiment can clearly and intuitively find the position of the fault board card of the whole system by connecting the test device connection board card during the maintenance process, provide the board card maintenance efficiency, the whole system does not need to be tested on the train, save time and not occupy the train resources; after the maintenance is completed, the system can also be tested by the axle temperature system detection equipment, to ensure the stability of the equipment, reduce the repair rate, to ensure the safe and stable operation of the train.

[0058] The above describes the preferred embodiments of the present application in detail. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application shall be within the protection scope determined by the claims.

Claims

1. A train axle temperature monitoring system for monitoring the axle temperature of multiple carriages, each carriage including multiple bogies and multiple axle positions, characterized in that, The system comprises a box body, a first axle temperature processor, a second axle temperature processor, a plurality of axle temperature converters, a plurality of axle temperature sensors and a plurality of network buses inside the box body, the plurality of axle temperature converters are connected in series through the network buses, the first axle temperature converter is connected with the first axle temperature processor, the last axle temperature converter is connected with the second axle temperature processor, each axle temperature converter is connected with a plurality of axle temperature sensors, the number of the axle temperature converters corresponds to the number of the bogies, and the number of the axle temperature sensors corresponds to the number of the axle positions.

2. The train axle temperature monitoring system of claim 1, wherein, The other ends of the first axle temperature processor and the second axle temperature processor are connected with a preset train control and management system through an MVB bus.

3. The train axle temperature monitoring system of claim 2, wherein, Each axle temperature processor comprises an MVB interface connected with the MVB bus.

4. The train axle temperature monitoring system of claim 3, wherein, Each axle temperature processor further comprises a network interface connected with an external Ethernet.

5. The train axle temperature monitoring system of claim 3, wherein, Each axle temperature processor further comprises a first FSK bus interface connected with a corresponding axle temperature converter through an FSK bus and a first power supply interface connected with an auxiliary power supply.

6. The train axle temperature monitoring system of claim 1, wherein, The train axle temperature monitoring system further comprises a coding connector connected with a corresponding axle temperature converter.

7. The train axle temperature monitoring system of claim 6, wherein, The coding connector comprises a temperature measuring element, and each axle position adopts two temperature measuring elements to collect temperature data.

8. The train axle temperature monitoring system of claim 6, wherein, Each axle temperature converter comprises a coding interface connected with the coding connector.

9. The train axle temperature monitoring system of claim 7, wherein, Each axle temperature converter further comprises a temperature sensor interface connected with a corresponding axle temperature sensor, a second FSK bus interface connected with a corresponding axle temperature converter through an FSK bus and a second power supply interface connected with an auxiliary power supply.

10. The train axle temperature monitoring system of claim 1, wherein, Each axle temperature converter comprises a casing and a temperature measuring module installed inside the casing, and the temperature measuring module is connected with a corresponding axle temperature sensor.

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