阅读说明：本技术 用于地铁的换向器的辊体测试平台 (Roller body test platform for subway commutator ) 是由 冯洪高 沈思宇 于 2020-06-09 设计创作，主要内容包括：一种用于地铁的换向器的辊体测试平台,包括热电偶、微波收集设备、微波收受设备与地表处理器；所述热电偶用于设置到地铁的换向器的辊体上,侦测换向器的辊体的温值；所述微波收集设备相连热电偶,用于收集热电偶传来的温值数据并执行微波传递；微波收受设备设于铁轨旁,用于在微波收集设备路过时,收受温值数据；所述地表处理器相连着微波收受设备,用于收受温值数据且传递到微机。结合其它结构有效避免了现有技术中地铁换向器的辊温监测方式里监测元件常遭致外部区域的干扰、监测地方自身会受到地铁晃动不利于限位、伴有监测准确度低的缺陷。(A roller body testing platform for a commutator of a subway comprises a thermocouple, microwave collecting equipment, microwave receiving equipment and a ground surface processor; the thermocouple is arranged on a roller body of a commutator of the subway and used for detecting the temperature value of the roller body of the commutator; the microwave collecting device is connected with the thermocouple and is used for collecting temperature value data transmitted by the thermocouple and executing microwave transmission; the microwave receiving equipment is arranged beside the rail and used for receiving the temperature data when the microwave collecting equipment passes by; the surface processor is connected with the microwave receiving equipment and is used for receiving the temperature value data and transmitting the temperature value data to the microcomputer. The defects that monitoring elements in a roller temperature monitoring mode of a subway commutator in the prior art are often interfered by an external area, a monitoring place can be shaken by the subway to be unfavorable for limiting and the monitoring accuracy is low are effectively avoided by combining other structures.)

1. A roller body test platform for a commutator of a subway is characterized by comprising a thermocouple, microwave collecting equipment, microwave receiving equipment and a surface processor;

the thermocouple is arranged on a roller body of a commutator of the subway and used for detecting the temperature value of the roller body of the commutator; the microwave collecting device is connected with the thermocouple and is used for collecting temperature value data transmitted by the thermocouple and executing microwave transmission; the microwave receiving equipment is arranged beside the rail and used for receiving the temperature data when the microwave collecting equipment passes by; the surface processor is connected with the microwave receiving equipment and is used for receiving the temperature value data and transmitting the temperature value data to the microcomputer.

2. The roller body test platform for the commutator of the subway as claimed in claim 1, wherein for the roller body of the commutator of the subway along with a commutator, the thermocouple can be assembled on the circumferential wall surface or the wall surfaces at both ends of the roller body of the commutator, the roller body 42 which can be directly connected with the commutator can also be connected with the roller body of the commutator through the heat conductor, the detailed assembly can be identified by the requirement of the temperature sensing method and the pulse transmission of the thermocouple, and the thermocouple can be identified to efficiently and accurately measure the roller temperature only during the driving of the subway; the microwave collecting device can be assembled on the commutator, the carriage and the roller body of the commutator, and is not limited to be assembled on the roller body of the commutator after the thermocouple is integrally formed, and only the connection with the thermocouple can be determined, and the microwave collecting device is connected with the microwave receiving device through a specified interval.

3. A roll test platform for commutators for metro trains according to claim 1, wherein the vicinity of the rail is a designated section on either side of the rail, or an inner wall section of the rail, such as a section on the vicinity of the body of either rail; the selection of the details beside the rail can be selected according to the receiving range of the microwave receiving equipment and the microwave transmission range of the microwave collecting equipment, and the microwave receiving equipment can efficiently receive the microwave signals sent by the microwave collecting module only by confirming that the microwave collecting equipment passes through, so that the temperature value data can be accurately received; the microwave receiving equipment can be screwed under the rail body of the rail beside the rail, can also be screwed on a rail roadbed or can be directly assembled on the ground surface, and only when the microwave collecting equipment is determined to pass through, the microwave signal transmitted by the microwave collecting module is efficiently received.

4. A roll test platform for commutators of the underground type according to claim 1, wherein the surface processor can be mounted beside the rails as if it were integrally formed with the microwave receiving apparatus. The surface processor can also be arranged on the rail, the sleeper or other positions on the ground, and only needs to be capable of efficiently and safely connecting the microwave receiving equipment to receive the signals output by the microwave receiving equipment.

5. A roll body test platform for a commutator of a subway as claimed in claim 1, wherein during the operation of the subway, when no subway passes through a designated area beside a rail, the microwave receiving device and the surface processor can maintain a sleep state because no microwave signal is introduced; when the subway passes, the microwave collecting equipment can pass through a designated area beside the rail along with the running of the subway; at this time, the microwave receiving equipment arranged beside the rail can receive the microwave signals sent by the microwave collecting equipment, so as to construct instant transmission between the microwave receiving equipment and the microwave collecting equipment; the temperature value data collected by the thermocouple is converted into microwave signals through microwave collecting equipment and then sent out.

6. A roller body test platform for a commutator of a subway as claimed in claim 1, wherein said microwave receiving equipment located beside the rail receives microwave signals sent by the microwave collecting equipment and then leads the microwave signals to the surface processor; the surface processor can obtain the temperature value data transmitted by the microwave collecting equipment so as to transmit the temperature value data to a microcomputer of a subway monitoring center; thus, after receiving the temperature data returned by the surface processor, the microcomputer can know the temperature condition of the roller body of the commutator to which the temperature data belongs. Because the temperature value data can be returned only when the microwave collecting equipment passes by the railway track, the temperature value data can also be used for providing the data of the position of the roller body of the commutator to the microcomputer, thereby achieving the high-accuracy monitoring of the roller body temperature value and the position of the commutator of the moving subway. The surface processor may transmit the temperature data to the microcomputer via microwave communication or via a network, as identified by the data transmission port of the surface processor 29.

7. A roll testing platform of a commutator for a subway as claimed in claim 1, wherein said roll testing platform of the commutator for a subway is equipped with a microwave collecting device on the subway and said microwave receiving device is equipped with a surface processor 29 beside the rail via a thermocouple equipped on the commutator for a subway, when the subway passes by the rail, the microwave receiving device establishes a link by the microwave collecting device, receives temperature value data of the roll currently passing by the commutator beside the rail and transmits the data to the surface processor 29. The surface processor can transmit the obtained temperature value data to a microcomputer of a subway monitoring center so as to achieve roller body temperature value monitoring of the commutators which are not actively connected; thus, the external adverse effect caused by monitoring the temperature value of the roller body 42 of the commutator is greatly reduced, and the monitoring position can directly confirm the position along with the sending time point and the position of the temperature value data.

Technical Field

The invention belongs to the technical field of subways and also belongs to the technical field of roller bodies of commutators, and particularly relates to a roller body test platform for a commutator of a subway.

Background

With the progress of an induction monitoring mode, the method is generally applied to various industries; when the roller body of the commutator is damaged or damaged, the abnormal temperature rise amplitude is increased, the roller body of the commutator is deformed or can not rotate, and the subway carriage is not beneficial to running without errors; even the roller attachments that can constitute the commutator of a subway car are broken, thereby constituting a serious expense.

At present, the roller temperature monitoring of the subway commutator is generally applied to resistance type roller temperature monitoring or movable type roller temperature sensing monitoring; however, during the period of reaching the expense of the invention, researchers see that the monitoring elements in the current roller temperature monitoring mode are always interfered by an external area, and in addition, the monitoring place is not beneficial to limiting due to subway shaking, and the defect of low monitoring accuracy is accompanied.

Disclosure of Invention

In order to solve the problems, the invention provides a roller body testing platform for a subway commutator, which effectively avoids the defects that monitoring elements in a roller temperature monitoring mode of the subway commutator in the prior art are always interfered by an external area, a monitoring place is not beneficial to limiting due to subway shaking and the monitoring accuracy is low.

In order to overcome the defects in the prior art, the invention provides a solution for a roller body testing platform of a commutator of a subway, which comprises the following specific steps:

a roller body test platform for a commutator of a subway comprises a thermocouple 23, microwave collecting equipment 25, microwave receiving equipment 27 and a surface processor 29;

the thermocouple 23 is used for being arranged on a roller body 42 of a commutator of a subway and detecting the temperature value of the roller body 42 of the commutator; the microwave collecting device 25 is connected to the thermocouple 23, and is configured to collect temperature data transmitted from the thermocouple 23 and perform microwave transmission. The microwave receiving equipment 27 is arranged beside the rail and used for receiving temperature data when the microwave collecting equipment 25 passes by; the surface processor 29 is connected with the microwave receiving device 27 and is used for receiving temperature value data and transmitting the temperature value data to the microcomputer.

Aiming at a roller body 42 of a commutator of a subway along with a commutator, a thermocouple 23 can be assembled on the circumferential wall surface or two head wall surfaces of the roller body 42 of the commutator, the roller body 42 of the commutator can be directly connected with the commutator, and the roller body 42 of the commutator can also be connected with a heat conductor, the detailed assembly can be identified by the temperature sensing method and the pulse transmission of the thermocouple 23, and only the thermocouple 23 can be identified to efficiently and accurately measure the roller temperature during the driving of the subway; the microwave collecting device 25 may be mounted on the commutator, the car, or the roller 42 of the commutator, as long as it is not limited to be mounted on the roller 42 of the commutator after the thermocouple 23 is integrally formed, and it is only necessary to identify the connection with the thermocouple 23, and connect to the microwave receiving device 27 through a predetermined section.

The rail side can be in a designated section at any one of two sides of the rail, or in a section of the inner wall of the rail, like a section beside the rail body of any one rail; the detailed part beside the rail can be selected according to the receiving range of the microwave receiving equipment 27 and the microwave transmission range of the microwave collecting equipment 25, and the microwave receiving equipment 27 can efficiently receive the microwave signals sent by the microwave collecting module only by confirming that the microwave collecting equipment 25 passes by, so that the temperature value data can be accurately received; the microwave receiving device 27 can be screwed under the rail body of the rail beside the rail, or can be screwed on the rail roadbed or directly assembled on the ground surface, and only needs to determine that the microwave collecting device 25 efficiently receives the microwave signals transmitted by the microwave collecting module when passing.

The surface processor 29 may be mounted adjacent the track, as if it were integrally formed with the microwave receiving apparatus 27. The surface processor 29 may also be mounted on a rail, sleeper or other location on the ground, and need only be able to efficiently and safely connect to the microwave receiving device 27 to receive the signals output by the microwave receiving device 27. The surface processor 29 can be a PLC.

During the operation of the subway, when no subway passes through a designated area beside the rail, the microwave receiving device 27 and the surface processor 29 can maintain a sleep state because no microwave signal is guided in; when the subway passes by, the microwave collecting device 25 runs along the subway to pass through a designated area beside the railway. At this time, the microwave receiving device 27 disposed beside the rail receives the microwave signal from the microwave collecting device 25, thereby forming an instant transmission with the microwave collecting device 25; the temperature data collected by the thermocouple 23 is converted into microwave signals by the microwave collecting device 25 and then transmitted.

The microwave receiving device 27 located beside the rail receives the microwave signal sent by the microwave collecting device 25 and then leads the microwave signal to the surface processor 29. The surface processor 29 can obtain the temperature data transmitted by the microwave collecting device 25, and then transmit the temperature data to the microcomputer of the subway monitoring center; thus, the microcomputer receives the temperature data returned from the surface processor 29, and can know the temperature of the roller 42 of the commutator to which the temperature data is attributed. Since the temperature data can be returned only when the microwave collecting device 25 passes by the railway track, the data of the position of the roller body 42 of the commutator can be given to the microcomputer through the temperature data, and the high-accuracy monitoring of the temperature value and the position of the roller body 42 of the commutator of the moving subway can be achieved. The surface processor 29 may communicate the temperature data to the microcomputer via microwave communication or via a network connection, which may be identified by the data communication port of the surface processor 29.

The roller body testing platform for the subway commutator is characterized in that a thermocouple 23 is arranged on the subway commutator, a microwave collecting device 25 is arranged on the subway, the microwave receiving device 27 and a ground surface processor 29 are arranged beside a rail, when the subway passes by the rail, the microwave receiving device 27 establishes a link through the microwave collecting device 25, receives temperature value data of a roller body 42 of the commutator passing by the rail at present and transmits the temperature value data to the ground surface processor 29. The surface processor 29 can transmit the obtained temperature value data to a microcomputer of a subway monitoring center so as to achieve the temperature value monitoring of the roller body 42 of the commutator which is not actively connected; therefore, the external adverse effect caused by monitoring the temperature value of the roller body 42 of the commutator is greatly reduced, in addition, the monitoring position can be directly confirmed with the sending time point and the position of the temperature value data, the defect of low monitoring accuracy caused by applying the traditional roller temperature monitoring mode is efficiently overcome, and the effect of greatly improving the monitoring accuracy of the roller temperature is achieved.

Further, the microwave collecting device 25 includes an ARM processor 253 and a first rf module 255;

the ARM processor 253 is connected with a thermocouple 23 and is used for collecting temperature value data;

the first radio frequency module 255 is connected to the ARM processor 253, and is configured to perform microwave transmission on the temperature value data.

Further, after the data transmitted by the thermocouple 23 is sent to the ARM processor 253, the ARM processor 253 may perform corresponding pulse processing, such as common analog-to-digital conversion, pulse clutter removal, encryption and frequency conversion before being sent to the radio frequency module one 255, so as to form a microwave pulse which can be exported to the radio frequency module one 255 to perform microwave transmission; the radio frequency module 255 transmits the temperature value data of the roller body 42 of the commutator by microwave in a mode of sending out microwave pulse outwards; thus, when the first radio frequency module 255 passes through the set area of the rail, the microwave receiving device 27 receives the microwave pulse emitted by the first radio frequency module 255 to receive the temperature value data of the roller 42 of the commutator.

Further, the first radio frequency module 255 is a 250MHz-2.7GHz radio frequency module. The 250MHz-2.7GHz radio frequency module is used for transmitting temperature value data by microwave and also has mark data which are in one-to-one correspondence with the thermocouples 23.

It can be noted that, further, the rf module with a frequency of 250MHz-2.7GHz is used as the rf module one 255, so that the label of the rf module with a frequency of 250MHz-2.7GHz can be used to represent the label of the roller 42 of the commutator where the thermocouple 23 is located, that is, the roller 4 of the commutator is encoded.

Further, a 250MHz-2.7GHz radio frequency module is used as the first radio frequency module 255, and the effect of configuring the label on the roller body 42 of the commutator can be achieved by configuring the label of the 250MHz-2.7GHz radio frequency module in advance. Thus, after the thermocouple 23 monitors the roller temperature of the roller body 42 of the transducer, when the obtained temperature data is sent out through the 250MHz-2.7GHz rf module, the temperature data is sent out to the microwave receiving device 27 together with the tag of the 250MHz-2.7GHz rf module. Therefore, the microwave receiving device 27 can obtain the temperature data and the corresponding label information after receiving the radio frequency pulse of the radio frequency module of 250MHz-2.7 GHz. When the microcomputer obtains the temperature value data of the roller body 42 of the commutator through the marking information, the microcomputer identifies the mark of the roller body 42 of the commutator, and the confirmation effect of the roller body 42 of the commutator is achieved.

Further, the microwave receiving device 27 is a radio frequency module for receiving an electronic tag.

Furthermore, a radio frequency module for receiving the electronic tag can be used for receiving the radio frequency pulse sent by the radio frequency module of 250MHz-2.7GHz, the radio frequency pulse is correspondingly processed by the electronic tag identifier, data transmission is carried out between the microcomputer, and the obtained temperature value data is transmitted to the microcomputer.

Further, after the radio frequency module for receiving the electronic tag receives the radio frequency pulse sent by the radio frequency module of 250MHz-2.7GHz, the electronic tag identifier obtains the marking information of the roller body 42 of the commutator and the corresponding temperature value data from the radio frequency pulse. The electronic tag identifier may identify the roller 42 of the diverter to which the temperature value data received at this time belongs by comparing the obtained marking data with a reference mark stored in advance, that is, a mark of the roller 42 of the diverter stored in advance.

Further, the ARM processor 253 is connected to two or more pairs of thermocouples 23 via a single bus; each thermocouple 23 is arranged on the roller bodies 42 of two pairs of the commutators. Here, a pair of commutators are on the same car of a subway.

It can be stated that at least one pair of commutators is included in a free subway car, and each of the commutators may include a pair of roll bodies 42. Therefore, at least one thermocouple 23 can be arranged on the roller body 42 of each commutator respectively on one subway carriage, and is used for monitoring the roller temperature of the roller body 42 of each commutator; correspondingly, an ARM processor 253 may be disposed on each subway car for collecting temperature data monitored and output by each thermocouple 23, so as to obtain temperature data of the roller 42 of each commutator. The number of the ARM processors 253 arranged on each subway car can also be more than one pair, and can be determined by the number of the thermocouples 23 and the number of data ports included in one ARM processor 253.

Further, for any subway car, at least one thermocouple 23 may be respectively disposed on the roller bodies 42 of the two pairs of commutators, for respectively monitoring the roller temperature of the roller body 42 of each commutator. Each thermocouple 23 is connected to the ARM processor 253 via a single bus to enable the collection of temperature data for the roll body 42 of each commutator, respectively.

Through the arrangement mode of the thermocouple 23 and the ARM processor 253, the roller temperature of the roller body 42 of each commutator can be monitored in real time, and meanwhile, the transmission safety of temperature value data is improved, so that the accuracy of monitoring the roller temperature during the operation of the subway can be improved.

Further, the ARM processor 253 is also used for connecting with a vehicle-mounted monitoring system of a subway. Here, the vehicle-mounted monitoring system may be a driving control system of a subway or an independently installed vehicle condition monitoring system. Optionally, the ARM processor 253 arranged in the carriage of each subway can also be connected to a vehicle-mounted monitoring system of the subway via a wire. Thus, during the operation of the subway, the ARM processor 253 can also transmit the obtained temperature value data of the roller body 42 of each commutator to the vehicle-mounted monitoring system, so as to achieve the sharing of the temperature value data of the roller body 42 of the commutator. The subway operator can monitor the temperature condition of the roller body 42 of each commutator in real time during driving through the vehicle-mounted monitoring system, is convenient to keep linkage with an administrator of a subway monitoring center, and improves the temperature monitoring efficiency of the roller body 42 of the real-time commutator.

Further, the microwave receiving device 27 is provided on the ground or on a rail. It can be noted that the microwave receiving device 27 may be mounted beside the rail, either directly on the ground or directly on the rail. As if mounted on the sleeper of a rail, the body of a rail or the base of a rail. The microwave receiving device 27 may be insulation fitted to the ground or rail, but is not limited to, via a threaded connection, snap-fit or welding. The microwave receiving device 27 may be mounted adjacent to the rail, or indirectly to the ground or rail, and the microwave receiving device 27 may be mounted on the ground or rail in an insulated manner, such as, but not limited to, by screwing, clipping, or welding via an intermediate connector.

By assembling and fixing the microwave receiving equipment 27 beside the rail, the influence of subway shaking on roller temperature monitoring is greatly weakened, and the positioning function of the roller body 42 of the commutator is conveniently provided. When the local railway passes, the first radio frequency module 255 arranged on the subway transmits the temperature value data and the corresponding mark information to the microwave receiving equipment 27 beside the railway through radio frequency pulses, and then the surface processor 29 transmits the obtained temperature value data and the corresponding mark information to the microcomputer to achieve real-time monitoring of the roller temperature of the corresponding subway commutator.

Further, the surface processor 29 is provided on the ground or on rails. It can be noted that the surface processor 29 can be located next to the track, and can be mounted on the ground or on the track. The surface processor 29 may be mounted adjacent the rails either directly to the ground or directly to the rails, such as directly to the ties of the rails, the body of the rails or the base of the rails. The surface processor 29 may be mounted to the ground or rail, but is not limited to, via threaded connections, snap-fit connections, or welding. The surface processor 29 may be assembled with the microwave receiving device 27 in an integrally formed manner. The surface processor 29 may be mounted adjacent the rails, or indirectly mounted to the ground or rails, such as, but not limited to, being mounted to the ground or rails via an intermediate connector (e.g., a housing of magnetically permeable material) such as by screwing, snapping, or welding.

The surface processor 29 and the microwave receiving equipment 27 are assembled and fixed beside the rail, so that the influence of subway shaking on roller temperature monitoring is greatly weakened, the positioning function of the roller body 42 of the commutator is conveniently provided, the pulse transmission reliability is improved, and the wiring cost is reduced.

When the local railway passes, the first radio frequency module 255 arranged on the subway transmits the temperature value data and the corresponding mark information to the microwave receiving equipment 27 beside the railway through radio frequency pulses, and then the surface processor 29 transmits the obtained temperature value data and the corresponding mark information to the microcomputer to achieve real-time monitoring of the roller temperature of the corresponding subway commutator.

Further, a subway monitoring system 311 is provided, which comprises a microcomputer 201 in a monitoring center and the roller testing platform for the commutator of the subway. The roller body testing platform of the commutator for the subway is in communication connection with the microcomputer 201 through a railway communication network.

Here, the railway communication network refers to a dedicated communication network used for subway operation and scheduling. For the description of the roller testing platform for the commutator of the subway in this embodiment, reference may be made to the description of the roller testing platform for the commutator of the subway in each embodiment, and repeated description is not repeated here. The subway monitoring system 311 may access one or more roll test platforms for commutators of the subway. When a plurality of roller body test platforms for commutators of the subway are connected, the respective surface processors 29 beside the rails can be respectively connected to a railway communication network and are in communication connection with the microcomputer 201. Thus, the microcomputer 201 can monitor the roll temperature of the passing subway in a centralized and real-time manner within a certain area range.

The subway monitoring system 311 can achieve automatic monitoring of the temperature value of the roller 42 of the commutator which is not connected through applying the roller testing platform of the commutator for the subway. During the roller temperature monitoring period, the external environment influence on the roller body 42 temperature value monitoring of the commutator is greatly weakened, and the monitoring points can be directly positioned along with the output time and the position of temperature value data, so that the problem of low monitoring accuracy in the conventional roller temperature monitoring technology is effectively solved, and the purpose of greatly improving the roller temperature monitoring accuracy is achieved. In addition, by arranging the microwave receiving device 27 and the surface processor 29 beside the rail, all the subway passing through the section of the rail can be shared, so that the investment of the whole monitoring element can be reduced, and the monitoring cost is reduced.

Further, the subway monitoring system 311 further includes a background terminal 313. The background terminal 313 is in communication connection with the microcomputer 201 and is used for receiving and storing temperature value data.

It can be noted that the background terminal 313 refers to a data server providing Web services in the art, as a server or a server system deployed in a subway monitoring center and used for daily operation management, data storage and sharing. Background terminal 313 may be a local physical server or a cloud server.

Further, after receiving the temperature data and the marking information thereof transmitted by the surface processor 29, the microcomputer 201 can be used for a manager of the subway monitoring center to check, perform early warning on the roller temperature, and the like, and can also upload the temperature data and the marking information thereof to the background terminal 313. Information storage, management and sharing are carried out through the background terminal 313, so that a subway monitoring center can analyze the roller temperature change conditions of heavy-duty rail subways with different loads and speeds according to the temperature value data of the roller bodies 42 of the commutators at all the passing positions, the running time and the running speed of the subways are optimized, a reasonable running mode is formulated, and the running safety and the running efficiency of the subways are improved.

The invention has the beneficial effects that:

the invention installs the thermocouple on the commutator of the subway, sets up the microwave collection module on the subway, and assemble microwave receiving equipment and surface processor beside the rail, when the subway drives over the designated area beside the rail, the microwave receiving equipment will communicate with microwave collection module, and receive the temperature value data of the roller body of the commutator passing by the rail at present and output to the surface processor; the surface processor can further transmit the obtained temperature value data to a microcomputer of a subway monitoring center, and automatic roller body temperature value monitoring of the commutators which are not connected is achieved. Therefore, the influence of the external environment on the roller temperature value monitoring of the commutator is greatly weakened, the monitoring points can be directly positioned along with the output time and the position of the temperature value data, the problem of low monitoring accuracy in the conventional roller temperature monitoring technology is effectively solved, and the effect of greatly improving the roller temperature monitoring accuracy is achieved.

Drawings

Fig. 1 is a schematic diagram of a roller body testing platform of the commutator for the subway of the invention.

Detailed Description

The invention will be further described with reference to the following figures and examples.

As shown in fig. 1, the roller body testing platform for the commutator of the subway comprises

A thermocouple 23, a microwave collecting device 25, a microwave receiving device 27 and a surface processor 29;

the thermocouple 23 is used for being arranged on a roller body 42 of a commutator of a subway and detecting the temperature value of the roller body 42 of the commutator; the microwave collecting device 25 is connected to the thermocouple 23, and is configured to collect temperature data transmitted from the thermocouple 23 and perform microwave transmission. The microwave receiving equipment 27 is arranged beside the rail and used for receiving temperature data when the microwave collecting equipment 25 passes by; the surface processor 29 is connected with the microwave receiving device 27 and is used for receiving temperature value data and transmitting the temperature value data to the microcomputer.

It can be said that the thermocouple 23 is a transmitter capable of detecting the temperature value of the roller body 42 of the commutator and converting the temperature value into a digital pulse correspondingly derived in the field; the microwave collecting device 25 is a microwave transmission module or a microwave duplex module with a transmission range, like a GPRS module or a bluetooth module; the microwave collecting device 25 can be powered by a separate battery or by an internal power supply mechanism connected to the subway; the microwave receiving device 27 is a microwave signal receiving module like a GPRS module or a bluetooth module.

Aiming at a roller body 42 of a commutator of a subway along with a commutator, a thermocouple 23 can be assembled on the circumferential wall surface or two head wall surfaces of the roller body 42 of the commutator, the roller body 42 of the commutator can be directly connected with the commutator, and the roller body 42 of the commutator can also be connected with a heat conductor, the detailed assembly can be identified by the temperature sensing method and the pulse transmission of the thermocouple 23, and only the thermocouple 23 can be identified to efficiently and accurately measure the roller temperature during the driving of the subway; the microwave collecting device 25 may be mounted on the commutator, the car, or the roller 42 of the commutator, as long as it is not limited to be mounted on the roller 42 of the commutator after the thermocouple 23 is integrally formed, and it is only necessary to identify the connection with the thermocouple 23, and connect to the microwave receiving device 27 through a predetermined section.

The rail side can be in a designated section at any one of two sides of the rail, or in a section of the inner wall of the rail, like a section beside the rail body of any one rail; the detailed part beside the rail can be selected according to the receiving range of the microwave receiving equipment 27 and the microwave transmission range of the microwave collecting equipment 25, and the microwave receiving equipment 27 can efficiently receive the microwave signals sent by the microwave collecting module only by confirming that the microwave collecting equipment 25 passes by, so that the temperature value data can be accurately received; the microwave receiving device 27 can be screwed under the rail body of the rail beside the rail, or can be screwed on the rail roadbed or directly assembled on the ground surface, and only needs to determine that the microwave collecting device 25 efficiently receives the microwave signals transmitted by the microwave collecting module when passing.

The surface processor 29 may be mounted adjacent the track, as if it were integrally formed with the microwave receiving apparatus 27. The surface processor 29 may also be mounted on a rail, sleeper or other location on the ground, and need only be able to efficiently and safely connect to the microwave receiving device 27 to receive the signals output by the microwave receiving device 27. The surface processor 29 can be a PLC.

During the operation of the subway, when no subway passes through a designated area beside the rail, the microwave receiving device 27 and the surface processor 29 can maintain a sleep state because no microwave signal is guided in; when the subway passes by, the microwave collecting device 25 runs along the subway to pass through a designated area beside the railway. At this time, the microwave receiving device 27 disposed beside the rail receives the microwave signal from the microwave collecting device 25, thereby forming an instant transmission with the microwave collecting device 25; the temperature data collected by the thermocouple 23 is converted into microwave signals by the microwave collecting device 25 and then transmitted.

The microwave receiving device 27 located beside the rail receives the microwave signal sent by the microwave collecting device 25 and then leads the microwave signal to the surface processor 29. The surface processor 29 can obtain the temperature data transmitted by the microwave collecting device 25, and then transmit the temperature data to the microcomputer of the subway monitoring center; thus, the microcomputer receives the temperature data returned from the surface processor 29, and can know the temperature of the roller 42 of the commutator to which the temperature data is attributed. Since the temperature data can be returned only when the microwave collecting device 25 passes by the railway track, the data of the position of the roller body 42 of the commutator can be given to the microcomputer through the temperature data, and the high-accuracy monitoring of the temperature value and the position of the roller body 42 of the commutator of the moving subway can be achieved. The surface processor 29 may communicate the temperature data to the microcomputer via microwave communication or via a network connection, which may be identified by the data communication port of the surface processor 29.

The roller body testing platform for the subway commutator is characterized in that a thermocouple 23 is arranged on the subway commutator, a microwave collecting device 25 is arranged on the subway, the microwave receiving device 27 and a ground surface processor 29 are arranged beside a rail, when the subway passes by the rail, the microwave receiving device 27 establishes a link through the microwave collecting device 25, receives temperature value data of a roller body 42 of the commutator passing by the rail at present and transmits the temperature value data to the ground surface processor 29. The surface processor 29 can transmit the obtained temperature value data to a microcomputer of a subway monitoring center so as to achieve the temperature value monitoring of the roller body 42 of the commutator which is not actively connected; therefore, the external adverse effect caused by monitoring the temperature value of the roller body 42 of the commutator is greatly reduced, in addition, the monitoring position can be directly confirmed with the sending time point and the position of the temperature value data, the defect of low monitoring accuracy caused by applying the traditional roller temperature monitoring mode is efficiently overcome, and the effect of greatly improving the monitoring accuracy of the roller temperature is achieved.

Further, the microwave collecting device 25 includes an ARM processor 253 and a first rf module 255;

the ARM processor 253 is connected with a thermocouple 23 and is used for collecting temperature value data;

the first radio frequency module 255 is connected to the ARM processor 253, and is configured to perform microwave transmission on the temperature value data.

Further, after the data transmitted by the thermocouple 23 is sent to the ARM processor 253, the ARM processor 253 may perform corresponding pulse processing, such as common analog-to-digital conversion, pulse clutter removal, encryption and frequency conversion before being sent to the radio frequency module one 255, so as to form a microwave pulse which can be exported to the radio frequency module one 255 to perform microwave transmission; the radio frequency module 255 transmits the temperature value data of the roller body 42 of the commutator by microwave in a mode of sending out microwave pulse outwards; thus, when the first radio frequency module 255 passes through the set area of the rail, the microwave receiving device 27 receives the microwave pulse emitted by the first radio frequency module 255 to receive the temperature value data of the roller 42 of the commutator.

The ARM processor 253 and the radio frequency module one 255 are used for transmitting the temperature value data of the roller body 42 of the commutator to the microwave receiving equipment 27 in time during the operation of the subway, so that the application of the conventional resistance type roller temperature monitoring system or a movable roller temperature sensing monitoring platform is prevented, the accurate monitoring of the roller temperature is achieved, the complexity of the structure of the roller temperature monitoring platform is reduced, and the monitoring cost is also reduced.

Further, the first radio frequency module 255 is a 250MHz-2.7GHz radio frequency module. The 250MHz-2.7GHz radio frequency module is used for transmitting temperature value data by microwave and also has mark data which are in one-to-one correspondence with the thermocouples 23.

It can be noted that, further, the rf module with a frequency of 250MHz-2.7GHz is used as the rf module one 255, so that the label of the rf module with a frequency of 250MHz-2.7GHz can be used to represent the label of the roller 42 of the commutator where the thermocouple 23 is located, that is, the roller 4 of the commutator is encoded.

Further, a 250MHz-2.7GHz radio frequency module is used as the first radio frequency module 255, and the effect of configuring the label on the roller body 42 of the commutator can be achieved by configuring the label of the 250MHz-2.7GHz radio frequency module in advance. Thus, after the thermocouple 23 monitors the roller temperature of the roller body 42 of the transducer, when the obtained temperature data is sent out through the 250MHz-2.7GHz rf module, the temperature data is sent out to the microwave receiving device 27 together with the tag of the 250MHz-2.7GHz rf module. Therefore, the microwave receiving device 27 can obtain the temperature data and the corresponding label information after receiving the radio frequency pulse of the radio frequency module of 250MHz-2.7 GHz. When the microcomputer obtains the temperature value data of the roller body 42 of the commutator through the marking information, the microcomputer identifies the mark of the roller body 42 of the commutator, and the confirmation effect of the roller body 42 of the commutator is achieved.

Through the application of the 250MHz-2.7GHz radio frequency module, the microcomputer receives the temperature value data of the roller body 42 of the commutator, and at the same time, the microcomputer can also achieve the confirmation of the roller body 42 of the commutator through the information of the position of the 250MHz-2.7GHz radio frequency module, namely the marking data, thereby achieving the effect of more accurately monitoring the temperature value of the roller body 42 of the commutator.

Further, the microwave receiving device 27 is a radio frequency module for receiving an electronic tag. The surface processor 29 includes an electronic tag identifier.

Furthermore, a radio frequency module for receiving the electronic tag can be used for receiving the radio frequency pulse sent by the radio frequency module of 250MHz-2.7GHz, the radio frequency pulse is correspondingly processed by the electronic tag identifier, data transmission is carried out between the microcomputer, and the obtained temperature value data is transmitted to the microcomputer.

Further, after the radio frequency module for receiving the electronic tag receives the radio frequency pulse sent by the radio frequency module of 250MHz-2.7GHz, the electronic tag identifier obtains the marking information of the roller body 42 of the commutator and the corresponding temperature value data from the radio frequency pulse. The electronic tag identifier may identify the roller 42 of the diverter to which the temperature value data received at this time belongs by comparing the obtained marking data with a reference mark stored in advance, that is, a mark of the roller 42 of the diverter stored in advance. After the electronic tag identifier transmits the temperature value data and the corresponding marking information to the microcomputer, the microcomputer can acquire the position of the roller body 42 of the commutator corresponding to the marking data and the temperature value data at the moment, so that the timely monitoring of the roller body 42 of the commutator and the confirmation of the roller body 42 of the commutator are achieved, and the accuracy of the monitoring of the roller temperature is efficiently improved.

Further, the ARM processor 253 is connected to two or more pairs of thermocouples 23 via a single bus; each thermocouple 23 is arranged on the roller bodies 42 of two pairs of the commutators. Here, a pair of commutators are on the same car of a subway.

It can be stated that at least one pair of commutators is included in a free subway car, and each of the commutators may include a pair of roll bodies 42. Therefore, at least one thermocouple 23 can be arranged on the roller body 42 of each commutator respectively on one subway carriage, and is used for monitoring the roller temperature of the roller body 42 of each commutator; correspondingly, an ARM processor 253 may be disposed on each subway car for collecting temperature data monitored and output by each thermocouple 23, so as to obtain temperature data of the roller 42 of each commutator. The number of the ARM processors 253 arranged on each subway car can also be more than one pair, and can be determined by the number of the thermocouples 23 and the number of data ports included in one ARM processor 253.

Further, for any subway car, at least one thermocouple 23 may be respectively disposed on the roller bodies 42 of the two pairs of commutators, for respectively monitoring the roller temperature of the roller body 42 of each commutator. Each thermocouple 23 is connected to the ARM processor 253 via a single bus to enable the collection of temperature data for the roll body 42 of each commutator, respectively.

Through the arrangement mode of the thermocouple 23 and the ARM processor 253, the roller temperature of the roller body 42 of each commutator can be monitored in real time, and meanwhile, the transmission safety of temperature value data is improved, so that the accuracy of monitoring the roller temperature during the operation of the subway can be improved.

Further, the ARM processor 253 is also used for connecting with a vehicle-mounted monitoring system of a subway. Here, the vehicle-mounted monitoring system may be a driving control system of a subway or an independently installed vehicle condition monitoring system. Optionally, the ARM processor 253 arranged in the carriage of each subway can also be connected to a vehicle-mounted monitoring system of the subway via a wire. Thus, during the operation of the subway, the ARM processor 253 can also transmit the obtained temperature value data of the roller body 42 of each commutator to the vehicle-mounted monitoring system, so as to achieve the sharing of the temperature value data of the roller body 42 of the commutator. The subway operator can monitor the temperature condition of the roller body 42 of each commutator in real time during driving through the vehicle-mounted monitoring system, is convenient to keep linkage with an administrator of a subway monitoring center, and improves the temperature monitoring efficiency of the roller body 42 of the real-time commutator.

Further, the microwave receiving device 27 is provided on the ground or on a rail. It can be noted that the microwave receiving device 27 may be mounted beside the rail, either directly on the ground or directly on the rail. As if mounted on the sleeper of a rail, the body of a rail or the base of a rail. The microwave receiving device 27 may be insulation fitted to the ground or rail, but is not limited to, via a threaded connection, snap-fit or welding. The microwave receiving device 27 may be mounted adjacent to the rail, or indirectly to the ground or rail, and the microwave receiving device 27 may be mounted on the ground or rail in an insulated manner, such as, but not limited to, by screwing, clipping, or welding via an intermediate connector.

By assembling and fixing the microwave receiving equipment 27 beside the rail, the influence of subway shaking on roller temperature monitoring is greatly weakened, and the positioning function of the roller body 42 of the commutator is conveniently provided. When the local railway passes, the first radio frequency module 255 arranged on the subway transmits the temperature value data and the corresponding mark information to the microwave receiving equipment 27 beside the railway through radio frequency pulses, and then the surface processor 29 transmits the obtained temperature value data and the corresponding mark information to the microcomputer to achieve real-time monitoring of the roller temperature of the corresponding subway commutator.

Further, the surface processor 29 is provided on the ground or on rails. It can be noted that the surface processor 29 can be located next to the track, and can be mounted on the ground or on the track. The surface processor 29 may be mounted adjacent the rails either directly to the ground or directly to the rails, such as directly to the ties of the rails, the body of the rails or the base of the rails. The surface processor 29 may be mounted to the ground or rail, but is not limited to, via threaded connections, snap-fit connections, or welding. The surface processor 29 may be assembled with the microwave receiving device 27 in an integrally formed manner. The surface processor 29 may be mounted adjacent the rails, or indirectly mounted to the ground or rails, such as, but not limited to, being mounted to the ground or rails via an intermediate connector (e.g., a housing of magnetically permeable material) such as by screwing, snapping, or welding.

The surface processor 29 and the microwave receiving equipment 27 are assembled and fixed beside the rail, so that the influence of subway shaking on roller temperature monitoring is greatly weakened, the positioning function of the roller body 42 of the commutator is conveniently provided, the pulse transmission reliability is improved, and the wiring cost is reduced.

When the local railway passes, the first radio frequency module 255 arranged on the subway transmits the temperature value data and the corresponding mark information to the microwave receiving equipment 27 beside the railway through radio frequency pulses, and then the surface processor 29 transmits the obtained temperature value data and the corresponding mark information to the microcomputer to achieve real-time monitoring of the roller temperature of the corresponding subway commutator.

Further, a subway monitoring system 311 is provided, which comprises a microcomputer 201 in a monitoring center and the roller testing platform for the commutator of the subway. The roller body testing platform of the commutator for the subway is in communication connection with the microcomputer 201 through a railway communication network.

Here, the railway communication network refers to a dedicated communication network used for subway operation and scheduling. For the description of the roller testing platform for the commutator of the subway in this embodiment, reference may be made to the description of the roller testing platform for the commutator of the subway in each embodiment, and repeated description is not repeated here. The subway monitoring system 311 may access one or more roll test platforms for commutators of the subway. When a plurality of roller body test platforms for commutators of the subway are accessed, the respective surface processors 29 beside the rails can be respectively accessed to a railway communication network and are in communication connection with the microcomputer 312. Thus, the microcomputer 312 can achieve centralized and real-time monitoring of the roller temperature of the passing subway within a certain area range.

The subway monitoring system 311 can achieve automatic monitoring of the temperature value of the roller 42 of the commutator which is not connected through applying the roller testing platform of the commutator for the subway. During the roller temperature monitoring period, the external environment influence on the roller body 42 temperature value monitoring of the commutator is greatly weakened, and the monitoring points can be directly positioned along with the output time and the position of temperature value data, so that the problem of low monitoring accuracy in the conventional roller temperature monitoring technology is effectively solved, and the purpose of greatly improving the roller temperature monitoring accuracy is achieved. In addition, by arranging the microwave receiving device 27 and the surface processor 29 beside the rail, all the subway passing through the section of the rail can be shared, so that the investment of the whole monitoring element can be reduced, and the monitoring cost is reduced.

Further, the subway monitoring system 311 further includes a background terminal 313. The background terminal 313 is in communication connection with the microcomputer 312 and is used for receiving and storing temperature value data.

It can be noted that the background terminal 313 refers to a data server providing Web services in the art, as a server or a server system deployed in a subway monitoring center and used for daily operation management, data storage and sharing. Background terminal 313 may be a local physical server or a cloud server.

Further, after receiving the temperature data and the marking information thereof transmitted by the surface processor 29, the microcomputer 312 can be used for a manager of the subway monitoring center to check and perform early warning of the roller temperature, and can also upload the temperature data and the marking information thereof to the background terminal 313. Information storage, management and sharing are carried out through the background terminal 313, so that a subway monitoring center can analyze the roller temperature change conditions of heavy-duty rail subways with different loads and speeds according to the temperature value data of the roller bodies 42 of the commutators at all the passing positions, the running time and the running speed of the subways are optimized, a reasonable running mode is formulated, and the running safety and the running efficiency of the subways are improved.

The present invention has been described in an illustrative manner by the embodiments, and it should be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, but is capable of various changes, modifications and substitutions without departing from the scope of the present invention.