CN106428109B - Locomotive axle temperature display alarm device based on single chip microcomputer - Google Patents
Locomotive axle temperature display alarm device based on single chip microcomputer Download PDFInfo
- Publication number
- CN106428109B CN106428109B CN201610727852.XA CN201610727852A CN106428109B CN 106428109 B CN106428109 B CN 106428109B CN 201610727852 A CN201610727852 A CN 201610727852A CN 106428109 B CN106428109 B CN 106428109B
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- China
- Prior art keywords
- temperature
- chip microcomputer
- single chip
- locomotive
- bearing
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Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a locomotive axle temperature display alarm device based on a single chip microcomputer, which comprises an information acquisition device, a data processing device and a data processing device, wherein the information acquisition device is arranged on a locomotive and is used for acquiring original bearing temperature data on the locomotive; the single chip microcomputer is connected with the information acquisition device and used for receiving and processing the bearing temperature original data from the information acquisition device and outputting a control signal; the thermal infrared imager is arranged on the locomotive and used for collecting an infrared image at a bearing on the locomotive and transmitting the infrared image to the single chip microcomputer; and the data display alarm device is arranged in the cab and connected with the single chip microcomputer, and is used for receiving the control signal from the single chip microcomputer, displaying the temperature parameter and the infrared image of the bearing and giving an alarm when the temperature parameter exceeds the normal temperature. The invention monitors and displays the axle temperature in real time, and immediately alarms when a problem occurs, thereby ensuring the driving safety of the train.
Description
Technical Field
The invention relates to a temperature detection system, in particular to a locomotive axle temperature display alarm device based on a single chip microcomputer.
Background
The locomotive is at the in-process of high-speed operation, and the bearing can generate heat because of the friction, carries out real-time supervision to locomotive axle temperature, and real-time accurate demonstration axle temperature is an important problem, can discover the problem like this, reports to the police immediately and lets the staff in time take measures in order to ensure the driving safety of train.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a locomotive axle temperature display alarm device based on a single chip microcomputer, which can monitor and display the axle temperature in real time, immediately alarm when a problem occurs and ensure the driving safety of a train.
In order to solve the technical problems, the invention adopts the following technical scheme:
A locomotive axle temperature display and alarm device based on a single chip microcomputer comprises
the information acquisition device is arranged on the locomotive and used for acquiring original temperature data of a bearing on the locomotive;
The single chip microcomputer is connected with the information acquisition device and used for receiving and processing the bearing temperature original data from the information acquisition device and outputting a control signal;
The thermal infrared imager is arranged on the locomotive and used for collecting an infrared image at a bearing on the locomotive and transmitting the infrared image to the single chip microcomputer;
And the data display alarm device is arranged in the cab and connected with the single chip microcomputer, and is used for receiving the control signal from the single chip microcomputer, displaying the temperature parameter and the infrared image of the bearing and giving an alarm when the temperature parameter exceeds the normal temperature.
preferably, the information acquisition device comprises a temperature sensor.
preferably, the information acquisition device is connected with the singlechip through an electronic switch and a cable.
Further preferably, the electronic switch is controlled by a wireless remote control.
Preferably, the data display alarm device comprises a temperature display nixie tube and an LED double-color lamp.
Preferably, the singlechip is connected with a data storage unit.
Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:
The device monitors the temperature of the locomotive axle in real time, accurately displays the temperature, finds problems, immediately alarms to enable workers to take measures in time, and ensures the driving safety of the train.
Drawings
FIG. 1 is a schematic structural framework of the present invention;
FIG. 2 is a wiring diagram of the data display alarm device of the present invention;
Wherein: 1. a single chip microcomputer; 2. a data display alarm device; 3. a cable interface; 4. an electronic switch; 5. a wireless remote controller; 6. a temperature sensor; 7. provided is a thermal infrared imager.
Detailed Description
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in attached figure 1, the invention relates to a locomotive axle temperature display alarm device based on a single chip microcomputer, which comprises an information acquisition device, a data processing device and a data processing device, wherein the information acquisition device is arranged on a locomotive and is used for acquiring original bearing temperature data on the locomotive; the single chip microcomputer 1 is connected with the information acquisition device and used for receiving and processing bearing temperature original data from the information acquisition device and outputting a control signal; the thermal infrared imager 7 is arranged on the locomotive and used for collecting an infrared image at a bearing on the locomotive and transmitting the infrared image to the single chip microcomputer 1; and the data display alarm device is arranged in the cab, is connected with the singlechip 1, is used for receiving a control signal from the singlechip 1, displays the temperature parameter and the infrared image of the bearing, and gives an alarm when the temperature parameter exceeds the normal temperature.
The information acquisition device comprises a temperature sensor 6, the temperature sensor 6 is connected with the singlechip 1 through a multi-channel electronic switch 4 and a cable interface 3, and the electronic switch 4 is controlled by a wireless remote controller 5. In the present embodiment, since the locomotive generally has eight wheels, eight temperature sensors 6 are provided. The temperature sensor 6 selects DS18B20, has a ground terminal, a digital signal output end and a power input end, the DS18B20 power supply voltage is 3.0-5.5V, the temperature measurement range is-55-125 ℃, the multipoint networking function is supported, and a plurality of DS18B20 can be connected on a single bus in parallel to realize multipoint temperature measurement. The DS18B20 sensor is an integrated digital temperature sensor, can directly read the measured temperature, and can convert the temperature value into 9-bit and 12-bit digital quantities within 93.75 ms and 750 ms respectively, so that the DS18B20 can make the system structure simpler and more reliable, and the power consumption of the chip is small, and no additional power supply is needed. The digital signal output by the temperature sensor 6 can be directly connected with the I/O of the singlechip, so that the connection is very convenient, and the digital signal is transmitted on the single bus, so that the system has good anti-interference performance, high reliability and long transmission distance.
In this embodiment, the single chip microcomputer is controlled by a double single chip microcomputer of MCS-51 series rewritable AT89C55 WD. The single chip microcomputer completes the selection control of the cable interface, displays various shaft temperature parameters according to the program command according to the digital quantity input by the DS18B20 sensor, displays green within the normal temperature range, and displays red when the normal temperature is exceeded. The working mode of the AT89C55WD double-singlechip microcomputer is adopted, mainly for solving the problem of required control pins and improving the data processing capacity and speed.
The data display alarm device 2 comprises a temperature display nixie tube and an LED double-color lamp, wherein the temperature display nixie tube displays the shaft temperature, the LED double-color lamp displays the state, the green is displayed in the normal temperature range, and the red alarm is displayed when the normal temperature range is exceeded. In this embodiment, the display includes two CH452 chips, the CH452 chip is connected as shown in fig. 2, the display of the nixie tube temperature and the display of the LED status are independent of each other, so that a mode of connecting the two CH452 chips in parallel with the single chip microcomputer is adopted. One chip can dynamically drive 8 common cathode nixie tubes, the same segment pins (segment A to segment G and decimal point) of all the nixie tubes are connected in parallel and then are connected with segment driving pins SEG0 to SEG7 of CH452 through serially connected current limiting resistors R1 (or R12), and the cathodes of all the nixie tubes are respectively driven by pins DIG0 to DIG7 of CH 452. The larger the resistance value of the series current-limiting resistor is, the smaller the segment driving current is, the lower the display brightness of the nixie tube is, the resistance value of R1 (or R12) is generally between 100 omega and 1K omega, and a larger resistance value is preferably selected to reduce the power consumption of the CH452 chip under the same other conditions; and the other chip is used for realizing the driving of the LED bicolor lamp.
in this embodiment, the single chip microcomputer 1 is connected with a data storage unit, and the temperature parameters are stored in the data storage unit to facilitate future maintenance and detection.
the present invention has been described in detail above, but the present invention is not limited to the above-described embodiments. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (2)
1. The utility model provides a locomotive axle temperature display alarm device based on singlechip which characterized in that includes:
The information acquisition device comprises a plurality of DS18B20 temperature sensors, wherein the DS18B20 temperature sensors are arranged on a locomotive and used for acquiring original data of the temperature of a wheel bearing on the locomotive, each DS18B20 temperature sensor corresponds to one wheel, each DS18B20 temperature sensor is respectively connected with a plurality of paths of electronic switches (4), is connected with a cable interface (3) through the plurality of paths of electronic switches (4), and is connected with the single chip microcomputer through the cable interface (3), and the plurality of DS18B20 temperature sensors are connected on a single bus in parallel by utilizing the multipoint networking function of the DS18B20 temperature sensors to realize multipoint temperature measurement; the electronic switch is controlled by a wireless remote controller;
the single chip microcomputer is connected with the information acquisition device, adopts a rewritable AT89C55WD double single chip microcomputer and is used for receiving and processing bearing temperature original data from the information acquisition device and outputting a control signal;
the thermal infrared imager is arranged on the locomotive and used for collecting an infrared image at a bearing on the locomotive and transmitting the infrared image to the single chip microcomputer;
the data display alarm device is arranged in a cab, connected with the single chip microcomputer and used for receiving a control signal from the single chip microcomputer, displaying a temperature parameter and an infrared image of a bearing and giving an alarm when the temperature parameter exceeds a normal temperature, the data display alarm device comprises a temperature display nixie tube and an LED (light-emitting diode) two-color lamp which are independently controlled, the single chip microcomputer is connected with the temperature display nixie tube through a CH452 chip to drive the temperature display nixie tube, a current-limiting resistor is connected between the CH452 chip and the temperature display nixie tube in series, and the resistance value of the current-limiting resistor is between 100 omega and 1K omega; the single chip microcomputer is connected with the LED double-color lamp through another CH452 chip to drive the LED double-color lamp.
2. The locomotive axle temperature display alarm device based on the single chip microcomputer according to claim 1, characterized in that: the single chip microcomputer is connected with a data storage unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610727852.XA CN106428109B (en) | 2016-08-25 | 2016-08-25 | Locomotive axle temperature display alarm device based on single chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610727852.XA CN106428109B (en) | 2016-08-25 | 2016-08-25 | Locomotive axle temperature display alarm device based on single chip microcomputer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106428109A CN106428109A (en) | 2017-02-22 |
| CN106428109B true CN106428109B (en) | 2019-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610727852.XA Expired - Fee Related CN106428109B (en) | 2016-08-25 | 2016-08-25 | Locomotive axle temperature display alarm device based on single chip microcomputer |
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| Country | Link |
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| CN (1) | CN106428109B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107042835A (en) * | 2017-03-27 | 2017-08-15 | 杭州电子科技大学 | Locomotive axle temperature detects warning device circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1967180A (en) * | 2006-04-27 | 2007-05-23 | 广州科易光电技术有限公司 | Infrared thermal-image data real-time compression/decompression method and infrared temperature monitoring device and system based on network and embedded computer |
| EP2484575A1 (en) * | 2011-02-04 | 2012-08-08 | Progress Rail Services Corporation | A detector for detecting train wheel bearing temperature |
| CN202669852U (en) * | 2012-07-16 | 2013-01-16 | 广州铁路职业技术学院 | Wireless train axle temperature detecting device |
| CN203381647U (en) * | 2013-06-06 | 2014-01-08 | 常州路航轨道交通科技有限公司 | Wireless journal temperature monitoring device of train |
| CN205872085U (en) * | 2016-08-25 | 2017-01-11 | 南京铁道职业技术学院 | Locomotive axle temperature display alarm device based on singlechip |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2650190A1 (en) * | 2012-04-12 | 2013-10-16 | Progress Rail Services Corporation | Device for detecting a hot box or hot wheel condition |
-
2016
- 2016-08-25 CN CN201610727852.XA patent/CN106428109B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1967180A (en) * | 2006-04-27 | 2007-05-23 | 广州科易光电技术有限公司 | Infrared thermal-image data real-time compression/decompression method and infrared temperature monitoring device and system based on network and embedded computer |
| EP2484575A1 (en) * | 2011-02-04 | 2012-08-08 | Progress Rail Services Corporation | A detector for detecting train wheel bearing temperature |
| CN202669852U (en) * | 2012-07-16 | 2013-01-16 | 广州铁路职业技术学院 | Wireless train axle temperature detecting device |
| CN203381647U (en) * | 2013-06-06 | 2014-01-08 | 常州路航轨道交通科技有限公司 | Wireless journal temperature monitoring device of train |
| CN205872085U (en) * | 2016-08-25 | 2017-01-11 | 南京铁道职业技术学院 | Locomotive axle temperature display alarm device based on singlechip |
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| Publication number | Publication date |
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| CN106428109A (en) | 2017-02-22 |
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Granted publication date: 20191217 Termination date: 20200825 |