CN113879364B - Data access system of railway vehicle axle temperature detection equipment based on 4G - Google Patents
Data access system of railway vehicle axle temperature detection equipment based on 4G Download PDFInfo
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- CN113879364B CN113879364B CN202111307968.5A CN202111307968A CN113879364B CN 113879364 B CN113879364 B CN 113879364B CN 202111307968 A CN202111307968 A CN 202111307968A CN 113879364 B CN113879364 B CN 113879364B
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- 238000001514 detection method Methods 0.000 title claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 238000012544 monitoring process Methods 0.000 claims abstract description 34
- 238000012795 verification Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013524 data verification Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0018—Communication with or on the vehicle or train
- B61L15/0027—Radio-based, e.g. using GSM-R
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/04—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault
- B61K9/06—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault by detecting or indicating heat radiation from overheated axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0072—On-board train data handling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The application discloses a data access system of a 4G-based railway vehicle axle temperature detection device, relates to a data network transmission technology of infrared devices, and aims to solve the problems that the existing detection station uploads data in a wired connection mode, so that the wiring of some areas is difficult and the data transmission is affected. The application transmits the data acquired by the THDS detection station host to the local area network server by the external network server, wherein the external network server is provided with the internal and external network crossing safety platform, the THDS monitoring unit and the data forwarding unit based on the HTTP protocol, so that the safety of data transmission can be ensured, when the data is transmitted to the local area network server, the data is further verified through the local area network server, the integrity of the data is verified, the occurrence of error information in the transmission process is prevented, the data is ensured to be complete and effective, and the correct complete data can be transmitted to the THDS monitoring center machine. It is used to transmit railway vehicle axle temperature data to the THDS monitoring center machine.
Description
Technical Field
The invention relates to a data network transmission technology of infrared equipment, in particular to a 4G-based railway train infrared equipment data access mode.
Background
At present, a railway vehicle axle temperature intelligent detection system (THDS) is widely applied in the whole road, and along with the increase of new lines and the encryption of existing lines, how to realize the rapid deployment of THDS equipment, break through the bottleneck limit of special geographic environments and realize the access of THDS detection data is a technical problem to be solved. In the current THDS data transmission scheme, the probe station uploads data in the form of wired connection (optical fiber), and the method has high bandwidth and stable performance, but is difficult to implement in areas without wiring conditions or wiring difficulties, such as mountains, canyons, bridges and the like.
In addition, the existing railway vehicle axle temperature data transmission is carried out by using a special network, and the special network belongs to private network transmission, has poor universality and is inconvenient to transmit data.
Disclosure of Invention
The invention aims to solve the problems that the existing detection station uploads data in a wired connection mode, so that the wiring of some areas is difficult and the data transmission is affected, and provides a data access system of a railway vehicle shaft temperature detection device based on 4G.
The system comprises a THDS detection station host, a wireless transmission unit, an external network server and a local area network server;
the external network server comprises a THDS monitoring unit, a data forwarding unit and an internal and external network traversing safety platform;
the THDS detection station host is used for receiving the binary railway vehicle axle temperature data acquired by the infrared axle temperature detection equipment and transmitting the data to the wireless transmission unit;
The wireless transmission unit is connected with the THDS detection station through a serial port, and is used for receiving binary railway vehicle axle temperature data from a THDS detection station host through the serial port and transmitting the data to the cloud server;
The THDS monitoring unit is connected with the cloud server and is used for establishing a link channel of an external network environment with the cloud server, analyzing binary railway vehicle axle temperature data received from the cloud server into a data structure in a standard protocol format, and storing the data structure in the standard protocol format in a specified directory in a file form;
The data forwarding unit is connected with the THDS monitoring unit and is used for searching files in the appointed catalogue stored by the THDS monitoring unit at fixed time and sending HTTP data requests containing the unsent railway vehicle axle temperature data files to the inside and outside network traversing safety platform after finding the unsent railway vehicle axle temperature data files;
The internal and external network passes through the safety platform and is connected with the data forwarding unit, and the internal and external network is used for verifying the safety of the HTTP data request after receiving the HTTP data request containing the unsent railway vehicle axle temperature data file, and forwarding the HTTP data request containing the unsent railway vehicle axle temperature data file to the local area network server after passing the verification;
The local area network server is connected with the internal and external network crossing safety platform and is used for receiving HTTP requests containing the railway vehicle axle temperature data files which are not transmitted, verifying the correctness and the integrity of the data files and transmitting the railway vehicle axle temperature data files which are correct and complete after verification to the THDS monitoring center machine.
Preferably, the local area network server is further used for sequentially transmitting a calling command to the THDS detection station host through the internal and external network traversing safety platform, the data forwarding unit, the THDS monitoring unit and the wireless transmission unit;
the THDS detection station host is further used for transmitting the calling information to the wireless transmission unit after receiving the calling command, wherein the calling information comprises binary railway vehicle axle temperature data and binary train storage catalogue which are acquired from the infrared axle temperature detection equipment;
The wireless transmission unit is also used for receiving the calling information from the THDS detection station host through the serial port and sending the calling information to the cloud server;
the THDS monitoring unit is also used for storing the calling information received from the cloud server in a specified directory in a file form;
The data forwarding unit is also used for searching files in the appointed catalogue stored by the THDS monitoring unit at fixed time, and sending HTTP data requests containing the unsent calling information files to the intranet and extranet crossing security platform after finding the unsent calling information files;
the intranet and extranet passes through the security platform and is also used for verifying the security of the HTTP data request after receiving the HTTP data request containing the undelivered calling information file, and forwarding the HTTP data request containing the undelivered calling information file to the local area network server after passing the verification;
The local area network server is also used for receiving the HTTP request containing the undelivered calling information file, verifying the correctness and the integrity of the data file and transmitting the verified correct and complete calling information file to the THDS monitoring center machine.
Preferably, the local area network server is configured to verify the correctness and integrity of the data file, specifically:
The local area network server is used for comparing the data format of the received railway vehicle axle temperature data file with the built-in standard protocol format, verifying the correctness of the railway vehicle axle temperature data, transmitting the railway vehicle axle temperature data to the THDS monitoring center machine if the comparison result is consistent and the verification result is correct, and not transmitting the railway vehicle axle temperature data to the THDS monitoring center machine if one of the comparison result and the verification result is incorrect.
Preferably, the local area network server is implemented by a data receiving service unit.
Preferably, the wireless transmission unit is implemented using a 4G transmission unit.
The beneficial effects of the invention are as follows:
the application belongs to the public network for transmitting data, and has good universality and convenient data transmission.
The application is realized by adding the 4G transmission unit (DTU) to the detection station, has high adaptability to the geographic environment, can solve the problem that wired deployment cannot be adopted, and simultaneously saves the cost.
In addition, the data acquired by the THDS detection station host computer is transmitted to the local area network server by the external network server, wherein the external network server is provided with the internal and external network crossing safety platform, the THDS monitoring unit and the data forwarding unit based on the HTTP protocol, so that the safety of the transmitted data can be ensured, when the data is transmitted to the local area network server, the data is further verified through the local area network server, the integrity of the data is verified, error information in the transmission process is prevented, the data is ensured to be complete and effective, and the correct and complete data can be transmitted to the THDS monitoring center machine; the data received by the THDS monitoring center machine is correct, complete, and valid.
Therefore, the application has the advantages of simple deployment, flexible functional design and high safety, is completely compatible with the traditional THDS system, and solves the problem of difficult wired deployment of the THDS equipment.
Drawings
FIG. 1 is a schematic diagram of a data access system for a 4G-based rail vehicle axle temperature detection device;
Fig. 2 is a schematic diagram of a data access system of a 4G-based axle temperature detection device for a railway vehicle.
Detailed Description
The first embodiment is as follows: the data access system of the 4G-based railway vehicle axle temperature detecting device according to the present embodiment will be described with reference to fig. 1 and 2, and the system includes a THDS detecting station host 1, a wireless transmission unit 2, an external network server, and a local area network server 6;
the external network server comprises a THDS monitoring unit 3, a data forwarding unit 4 and an internal and external network traversing safety platform 5;
The THDS detection station host 1 is used for receiving the binary railway vehicle axle temperature data acquired by the infrared axle temperature detection equipment and transmitting the data to the wireless transmission unit 2;
The wireless transmission unit 2 is connected with the THDS detection station 1 through a serial port, and is used for receiving binary railway vehicle axle temperature data from a THDS detection station host through the serial port and transmitting the data to the cloud server;
The THDS monitoring unit 3 is connected with the cloud server and is used for establishing a link channel of an external network environment with the cloud server, analyzing binary railway vehicle axle temperature data received from the cloud server into a data structure in a standard protocol format, and storing the data structure in the standard protocol format in a specified directory in a file form;
The data forwarding unit 4 is connected with the THDS monitoring unit 3 and is used for searching files in a designated directory stored in the THDS monitoring unit 3 at fixed time and sending HTTP data requests containing unsent railway vehicle axle temperature data files to the inner and outer network crossing safety platform 5 after finding unsent railway vehicle axle temperature data files;
The internal and external network passes through the safety platform 5 and is connected with the data forwarding unit 4, and the internal and external network is used for verifying the safety of the HTTP data request after receiving the HTTP data request containing the unsent railway vehicle axle temperature data file, and forwarding the HTTP data request containing the unsent railway vehicle axle temperature data file to the local area network server 6 after passing the verification;
The local area network server 6 is connected with the internal and external network crossing safety platform 5 and is used for receiving HTTP requests containing the railway vehicle axle temperature data files which are not transmitted, verifying the correctness and the integrity of the data files and transmitting the railway vehicle axle temperature data files which are correct and complete after verification to the THDS monitoring center machine.
In this embodiment, as shown in fig. 1, the THDS detecting station transmits the detected data to the cloud server on the internet through the 4G transmission unit, then the cloud server sends the detected data to the external network server, the THDS monitoring unit receives and verifies the validity of the data, the data forwarding unit sends an HTTP data request to the internal and external networks through the security platform, the request is received through the security platform and verified in both directions, after the verification is passed, the request is forwarded to the local area network server, and the data receiving service program completes the data receiving, so as to complete the transmission flow of the data in the external network and the local area network. Wherein two-way authentication refers to the client and server authenticating each other. The intranet and extranet crossing safety platform comprises an existing safety authentication platform and a request receiving program secondarily developed according to the platform. When in implementation, an electronic certificate is applied to a security authentication platform administrator, an external network request receiving program is developed according to corresponding standards and requirements, the program receives an HTTP request sent by a data forwarding unit and then sends an encryption request to the security authentication platform, and the authentication platform and the program verify identity legitimacy through mutual checking of the certificate and signature. Different from a one-way verification method that a client only verifies whether a server is safe and effective, the two-way verification increases the effectiveness verification of the server on the client, and the verification is two-way, so that the two-way verification is called, wherein the server refers to a safe authentication platform, and the client refers to a secondarily developed request receiving program.
As shown in fig. 2, a 4G transmission unit (DTU) is connected to the THDS detection station host through a serial port, and communicates through a serial port command, and the DTU is responsible for sending THDS detection data received by the serial port to the cloud server. And a THDS monitoring unit is installed on the external network server, and a link channel based on the external network environment is established between the THDS monitoring unit and the cloud server to receive THDS detection station data. And simultaneously deploying an internal and external network traversing safety platform and a data forwarding unit on the external network server, and when the THDS monitoring center software receives new data, the data forwarding unit creates request connection of a safety platform mapping address in an HTTP data request mode, calls a data receiving service program on the local area network server and sends THDS detection station data. The data receiving service unit on the local area network server is used for receiving THDS detection station data sent by the security platform, and final verification of the data is completed. After successful data verification, the method can be used by any registered THDS monitoring center machine in the local area network.
The second embodiment is as follows: this embodiment is a further limitation to the first embodiment, which, in this embodiment,
The local area network server 6 is further configured to send a call command to the THDS detection station host 1 through the internal and external network traversing security platform 5, the data forwarding unit 4, the THDS monitoring unit 3 and the wireless transmission unit 2 in sequence;
The THDS detection station host 1 is further used for transmitting the calling information to the wireless transmission unit 2 after receiving the calling command, wherein the calling information comprises binary railway vehicle axle temperature data and binary train storage catalogue which are acquired from the infrared axle temperature detection equipment;
the wireless transmission unit 2 is further used for receiving the calling information from the THDS detection station host through the serial port and sending the calling information to the cloud server;
The THDS monitoring unit 3 is further configured to store the call information received from the cloud server in a specified directory in a file form;
the data forwarding unit 4 is further configured to search files in the specified directory stored in the THDS monitoring unit 3 at regular time, and send an HTTP data request containing the unsent calling information file to the intranet and extranet traversing security platform 5 after finding the unsent calling information file;
The intranet and extranet passes through the security platform 5 and is further used for verifying the security of the HTTP data request after receiving the HTTP data request containing the undelivered calling information file, and forwarding the HTTP data request containing the undelivered calling information file to the local area network server 6 after the HTTP data request passes the verification;
The lan server 6 is further configured to receive an HTTP request containing the undelivered call information file, verify the correctness and integrity of the data file, and transmit the verified correct and complete call information file to the THDS monitoring center machine.
In this embodiment, the binary train storage directory is used to determine the operation status of the THDS detection station, where the binary train storage directory includes the detection status and the uploading status of the train; wherein the detecting condition of the train comprises detecting the passing time of the train, and the uploading condition refers to detecting whether the axle temperature data of the binary railway vehicle of the train is uploaded.
The data forwarding unit 4 searches the file in the appointed catalogue stored in the THDS monitoring unit 3, if the file of the unsent calling information is found, for example, the file of the unsent axle temperature data of the railway vehicle is found, the file is sent out, and if the file of the unsent train storage catalogue is found, the file is sent out; in summary, the unsent file is sent out.
In the first embodiment, the THDS monitoring unit 3 is required to parse binary axle temperature data of the railway vehicle into a data structure in a standard protocol format, and the axle temperature data of the railway vehicle is required to be converted into the format because the THDS monitoring unit is required to display the data information, while in the second embodiment, the THDS monitoring unit directly stores the received call information in a specified directory in a file form, because the call information does not need to be displayed and only needs to be transferred downwards.
In the application, the THDS detection station host 1 can transmit data in two modes:
1. after the THDS detection station passes through the train, the detection data are sent to the DTU through the serial port, the DTU sends the detection data to the cloud server, the cloud server communicates with the THDS monitoring unit in the external network server, and the THDS monitoring unit receives the detection data and stores the detection data to the local. The data forwarding unit in the external network server checks the local storage directory in real time, and when a new file exists, the data forwarding unit in the local network server is called to send data to the local network server.
2. When the local area network server sends a calling command to the THDS detection station, a data forwarding unit in the external network server regularly calls a data receiving service unit (download service) in the local area network server to acquire the calling command, the calling command is stored in a down-sending catalog of the local THDS monitoring unit, the THDS monitoring unit sends the calling command to the DTU, the DTU sends the calling command to the THDS detection station through a serial port, and after receiving the calling command, the THDS detection station host transmits relevant calling information to the wireless transmission unit to finish down-sending of data from the local area network server to the external network detection station.
And a third specific embodiment: the present embodiment is further defined in the first specific embodiment, wherein the local area network server is configured to verify the correctness and integrity of the data file, specifically:
The local area network server 6 is used for comparing the data format of the received railway vehicle axle temperature data file with the built-in standard protocol format, verifying the correctness of the railway vehicle axle temperature data, transmitting the railway vehicle axle temperature data to the THDS monitoring center machine if the comparison result is consistent and the verification result is correct, and not transmitting the railway vehicle axle temperature data to the THDS monitoring center machine if one of the comparison result and the verification result is incorrect.
The specific embodiment IV is as follows: the present embodiment is further limited to the first embodiment, and in the present embodiment, the lan server 6 is implemented by a data receiving service unit.
Fifth embodiment: the present embodiment is further limited to the first embodiment, and in the present embodiment, the wireless transmission unit 2 is implemented by a 4G transmission unit.
Claims (5)
1. The data access system of the 4G-based railway vehicle axle temperature detection equipment is characterized by comprising a THDS detection station host (1), a wireless transmission unit (2), an external network server and a local area network server (6);
The external network server comprises a THDS monitoring unit (3), a data forwarding unit (4) and an internal and external network traversing safety platform (5);
the THDS detection station host machine (1) is used for receiving the binary railway vehicle axle temperature data acquired by the infrared axle temperature detection equipment and transmitting the data to the wireless transmission unit (2);
the wireless transmission unit (2) is connected with the THDS detection station host machine (1) through a serial port, and is used for receiving binary railway vehicle axle temperature data from the THDS detection station host machine through the serial port and transmitting the data to the cloud server;
The THDS monitoring unit (3) is connected with the cloud server and is used for establishing a link channel of an extranet environment with the cloud server, analyzing binary railway vehicle axle temperature data received from the cloud server into a data structure in a standard protocol format, and storing the data structure in the standard protocol format in a specified directory in a file form;
The data forwarding unit (4) is connected with the THDS monitoring unit (3) and is used for searching files in a designated directory stored in the THDS monitoring unit (3) at fixed time and sending HTTP data requests containing unsent railway vehicle shaft temperature data files to the inner and outer network crossing safety platform (5) after finding unsent railway vehicle shaft temperature data files;
The internet and extranet passes through the safety platform (5) and is connected with the data forwarding unit (4) and is used for verifying the safety of the HTTP data request after receiving the HTTP data request containing the unsent railway vehicle axle temperature data file, and forwarding the HTTP data request containing the unsent railway vehicle axle temperature data file to the local area network server (6) after passing the verification;
The local area network server (6) is connected with the internal and external network crossing safety platform (5) and is used for receiving HTTP requests containing unsent railway vehicle axle temperature data files, verifying the correctness and the integrity of the data files and transmitting the verified correct and complete railway vehicle axle temperature data files to the THDS monitoring center machine;
the intranet-extranet crossing safety platform (5) comprises a safety authentication platform and a request receiving program secondarily developed according to the safety authentication platform;
when verifying the security of the HTTP data request, applying for an electronic certificate to a security authentication platform manager, and developing a request receiving program according to corresponding standards and requirements, wherein the request receiving program sends an encryption request to the security authentication platform after receiving the HTTP request sent by the data forwarding unit (4), and the security authentication platform and the request receiving program verify identity legitimacy by mutually checking the certificate and the signature.
2. The data access system of the 4G-based railway vehicle axle temperature detection device according to claim 1, wherein the local area network server (6) is further configured to send a call command to the THDS detection station host (1) sequentially through the internal and external network traversing security platform (5), the data forwarding unit (4), the THDS monitoring unit (3) and the wireless transmission unit (2);
The THDS detection station host machine (1) is further used for transmitting the calling information to the wireless transmission unit (2) after receiving the calling command, wherein the calling information comprises binary railway vehicle axle temperature data and binary train storage catalogue which are acquired from the infrared axle temperature detection equipment;
The wireless transmission unit (2) is also used for receiving the calling information from the THDS detection station host through the serial port and sending the calling information to the cloud server;
The THDS monitoring unit (3) is further used for storing the calling information received from the cloud server in a specified directory in a file form;
the data forwarding unit (4) is also used for searching files in the appointed catalogue stored in the THDS monitoring unit (3) at fixed time, and sending HTTP data requests containing the unsent calling information files to the intranet and extranet crossing security platform (5) after finding the unsent calling information files;
The intranet and extranet passes through the security platform (5) and is also used for verifying the security of the HTTP data request after receiving the HTTP data request containing the unsent calling information file, and forwarding the HTTP data request containing the unsent calling information file to the local area network server (6) after passing the verification;
The local area network server (6) is further used for receiving the HTTP request containing the undelivered calling information file, verifying the correctness and the integrity of the data file and transmitting the verified correct and complete calling information file to the THDS monitoring center machine.
3. The data access system of 4G-based railway vehicle axle temperature detection equipment according to claim 1, wherein the local area network server is configured to verify the correctness and integrity of the data file, specifically:
And the local area network server (6) is used for comparing the data format of the received railway vehicle axle temperature data file with the built-in standard protocol format, verifying the correctness of the railway vehicle axle temperature data, transmitting the railway vehicle axle temperature data to the THDS monitoring center machine if the comparison result is consistent and the verification result is correct, and not transmitting the railway vehicle axle temperature data to the THDS monitoring center machine if one of the comparison result and the verification result is incorrect.
4. The data access system of a 4G-based railway vehicle axle temperature detection device according to claim 1, characterized in that the local area network server (6) is implemented with a data receiving service unit.
5. The data access system of a 4G-based railway vehicle axle temperature detection device according to claim 1, characterized in that the wireless transmission unit (2) is implemented with a 4G transmission unit.
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| CN202111307968.5A CN113879364B (en) | 2021-11-05 | 2021-11-05 | Data access system of railway vehicle axle temperature detection equipment based on 4G |
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| CN202111307968.5A CN113879364B (en) | 2021-11-05 | 2021-11-05 | Data access system of railway vehicle axle temperature detection equipment based on 4G |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627658A (en) * | 2016-10-28 | 2017-05-10 | 中车北京二七车辆有限公司 | Bearing temperature alarming system for wagon |
| CN107972695A (en) * | 2017-12-06 | 2018-05-01 | 株洲中车轨道交通装备有限公司 | A kind of Internet of Things rail vehicle axle health status intellectual monitoring administrative system apparatus |
| CN109525606A (en) * | 2019-01-04 | 2019-03-26 | 安徽和信科技发展有限责任公司 | A kind of Internet of Things security access terminal based on business data acquisition |
| CN111786956A (en) * | 2020-06-05 | 2020-10-16 | 四川省东宇信息技术有限责任公司 | System and method for safely accessing intranet network based on message middleware communication |
| CN113316149A (en) * | 2021-06-04 | 2021-08-27 | 广东电网有限责任公司 | Identity security authentication method, device, system, wireless access point and medium |
| CN214311402U (en) * | 2021-04-12 | 2021-09-28 | 哈尔滨国铁科技集团股份有限公司 | Switch gap monitoring system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9774410B2 (en) * | 2014-06-10 | 2017-09-26 | PB, Inc. | Radiobeacon data sharing by forwarding low energy transmissions to a cloud host |
-
2021
- 2021-11-05 CN CN202111307968.5A patent/CN113879364B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627658A (en) * | 2016-10-28 | 2017-05-10 | 中车北京二七车辆有限公司 | Bearing temperature alarming system for wagon |
| CN107972695A (en) * | 2017-12-06 | 2018-05-01 | 株洲中车轨道交通装备有限公司 | A kind of Internet of Things rail vehicle axle health status intellectual monitoring administrative system apparatus |
| CN109525606A (en) * | 2019-01-04 | 2019-03-26 | 安徽和信科技发展有限责任公司 | A kind of Internet of Things security access terminal based on business data acquisition |
| CN111786956A (en) * | 2020-06-05 | 2020-10-16 | 四川省东宇信息技术有限责任公司 | System and method for safely accessing intranet network based on message middleware communication |
| CN214311402U (en) * | 2021-04-12 | 2021-09-28 | 哈尔滨国铁科技集团股份有限公司 | Switch gap monitoring system |
| CN113316149A (en) * | 2021-06-04 | 2021-08-27 | 广东电网有限责任公司 | Identity security authentication method, device, system, wireless access point and medium |
Non-Patent Citations (2)
| Title |
|---|
| 基于ZigBee的便携式无线列车轴温监测***设计;袁航;高军伟;张震;张彬;;制造业自动化;20180325(03);全文 * |
| 基于光纤光栅温度传感的车辆轴温监测***;颜士博;李永善;余小红;;铁道通信信号;20180117(01);全文 * |
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