阅读说明：本技术 中低速磁浮交通供电轨的自动控温碳纤维加热除冰装置 (Automatic temperature control carbon fiber heating deicing device for medium-low speed magnetic suspension traffic power supply rail ) 是由 潘洪亮 唐少强 邱宇 杨颖� 佟来生 张杨 于 2020-04-09 设计创作，主要内容包括：本发明涉及一种中低速磁浮交通供电轨的自动控温碳纤维加热除冰装置,该装置包括：分布式光纤测温组件：包括相互连接的测温主机和布设在供电轨内用以测量供电线附近温度的光纤传感器；无线通信组件：分别与测温主机和控制中心连接,用以传输温度信息；加热组件：包括与供电线平行布置的加热丝以及与测温主机连接带有继电器的加热控制器,所述的加热丝与加热控制器连接。与现有技术相比,本发明具有连续、准确、实时测量、适用于高电磁环境、远程监控、供灵敏度高、寿命长、成本低、电热转换效率高、方便维修等优点。(The invention relates to an automatic temperature control carbon fiber heating deicing device for a medium-low speed magnetic suspension traffic power supply rail, which comprises: distributed optical fiber temperature measurement component: the temperature measurement system comprises a temperature measurement host and an optical fiber sensor, wherein the temperature measurement host is connected with the optical fiber sensor; a wireless communication component: the temperature measuring host and the control center are respectively connected for transmitting temperature information; heating the assembly: the heating wire and the heating controller with the relay are connected with the temperature measurement host, and the heating wire is connected with the heating controller. Compared with the prior art, the invention has the advantages of continuous, accurate and real-time measurement, suitability for high electromagnetic environment, remote monitoring, high sensitivity, long service life, low cost, high electric-heat conversion efficiency, convenient maintenance and the like.)

1. The utility model provides an automatic temperature control carbon fiber heating defroster of well low-speed magnetic levitation traffic power supply rail which characterized in that, the device includes:

distributed optical fiber temperature measurement component: comprises a temperature measuring host (1) and an optical fiber sensor (5) which are connected with each other and are arranged in a power supply rail (8) for measuring the temperature near a power supply line (7);

wireless communication component (2): the temperature measuring device is respectively connected with the temperature measuring host (1) and the control center and used for transmitting temperature information;

heating the assembly: the temperature measuring device comprises a heating wire (6) arranged in parallel with a power supply line (7) and a heating controller (3) connected with a temperature measuring host (1) and provided with a relay, wherein the heating wire (6) is connected with the heating controller (3).

2. The automatic temperature control carbon fiber heating deicing device for the medium-low speed magnetic levitation traffic power supply rail according to claim 1, wherein the optical fiber sensor (5) is a spiral steel tube armored temperature measurement optical cable which is arranged in parallel with the power supply line (7) in the power supply rail (8).

3. The automatic temperature control carbon fiber heating deicing device for the medium-low speed magnetic levitation traffic power supply rail according to claim 1, wherein the power supply line (7), the optical fiber sensor (5) and the heating wire (6) are installed side by side in a clamping groove form.

4. The automatic temperature control carbon fiber heating deicing device for the medium-low speed magnetic levitation transportation power supply rail according to claim 3, wherein one or more heating wires (6) are arranged, and when the plurality of heating wires (6) are arranged, the plurality of heating wires (6) are respectively arranged side by side with the power supply line (7) and the optical fiber sensor (5) in a clamping groove mode.

5. The automatic temperature control carbon fiber heating deicing device for the medium-low speed magnetic levitation transportation power supply rail according to claim 1, wherein the temperature measurement host (1) is provided with a display (4) for displaying an operation interface, displaying a real-time temperature distribution curve and a temperature change curve of the power supply rail (8), and automatically alarming when the temperature is abnormal.

6. The automatic temperature control carbon fiber heating deicing device for the medium-low speed magnetic levitation transportation power supply rail according to claim 1, characterized in that an AP Sensing external interface is arranged on the temperature measurement host (1), and the AP Sensing external interface is composed of a temperature measurement optical cable interface, a relay expansion interface, a network interface and an RS232/485 interface.

7. The automatic temperature control carbon fiber heating deicing device for the medium-low speed magnetic levitation traffic power supply rail according to claim 1, characterized in that a laser pulse generator is arranged in the temperature measurement host (1), when the detected temperature is lower than a set value, the heating wire (6) is started through the heating controller (3), and when the detected temperature is higher than the set value, the heating wire (6) is closed through the heating controller (3).

8. The automatic temperature control carbon fiber heating deicing device for the medium-low speed magnetic suspension traffic power supply rail according to claim 1, wherein the heating wire (6) is a carbon fiber heating wire.

9. The automatic temperature control carbon fiber heating deicing device for the medium-low speed magnetic levitation traffic power supply rail according to claim 1, characterized in that the temperature measurement host (1) is provided with functions of optical fiber damage detection and device abnormality alarm, whether the device is abnormal is judged by setting upper and lower detection temperature limits, when the real-time temperature is detected to exceed the upper detection temperature limit or be lower than the lower detection temperature limit, a device abnormality alarm is given, and when no temperature is displayed, an optical fiber damage alarm is given.

Technical Field

The invention relates to the technical field of rail transit vehicles, in particular to an automatic temperature control carbon fiber heating deicing device for a medium-low speed magnetic suspension traffic power supply rail.

Background

The medium-low speed maglev train is driven by a short stator induction motor, the induction motor stator installed on the train needs to be provided with electric energy by the ground, and at present, the power supply mode of the medium-low speed maglev train is as follows: and a power supply contact rail is arranged on the side surface of a track beam below the F-shaped suspension guide rail, and a lateral current collector is arranged at the bottom of the suspension frame of the maglev train. The lateral current collector sends ground electric energy to the vehicle through mechanical sliding contact with the power supply contact rail under the action of certain pressure. In the process of taking current by the lateral current collector, the influence of the installation precision of the power supply contact rail and the smoothness of the rail is large, and the icing phenomenon is easily generated on the surface of the power supply rail in winter due to rain, snow and low-temperature weather, so that the power supply performance is seriously reduced, and the driving safety is influenced.

Therefore, a need exists for researching an online temperature measurement deicing device for a power supply rail of a medium-low speed maglev train, so as to avoid the problem that the driving safety is affected due to unstable current collection caused by icing of the power supply rail, and further improve the reliability of the system.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the automatic temperature control carbon fiber heating deicing device for the medium-low speed magnetic levitation traffic power supply rail.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides an automatic temperature control carbon fiber heating defroster of well low-speed magnetic levitation traffic power supply rail, the device includes:

distributed optical fiber temperature measurement component: the temperature measurement system comprises a temperature measurement host and an optical fiber sensor, wherein the temperature measurement host is connected with the optical fiber sensor;

a wireless communication component: the temperature measuring host and the control center are respectively connected for transmitting temperature information;

heating the assembly: the heating wire and the heating controller with the relay are connected with the temperature measurement host, and the heating wire is connected with the heating controller.

The optical fiber sensor is a spiral steel pipe armored temperature measuring optical cable which is arranged in parallel with a power supply line in the power supply rail.

The power supply line, the optical fiber sensor and the heating wire are arranged side by side in a clamping groove mode.

The heater strip be equipped with one or many, when setting up many, many heater strips are installed side by side with power supply line and optical fiber sensor with the draw-in groove form respectively.

The temperature measurement host is provided with a display for displaying an operation interface, is used for displaying a real-time temperature distribution curve and a temperature change curve of the power supply rail, and automatically gives an alarm when the temperature is abnormal.

The temperature measurement host is provided with an AP Sensing external interface, and the AP Sensing external interface consists of a temperature measurement optical cable interface, a relay expansion interface, a network interface and an RS232/485 interface.

The laser pulse generator is arranged in the temperature measurement host, when the detected temperature is lower than a set value, the heating wire is started through the heating controller, and when the detected temperature is higher than the set value, the heating wire is closed through the heating controller.

The heating wires are carbon fiber heating wires.

The temperature measurement host is provided with optical fiber damage detection and device abnormity alarm functions, whether the device is abnormal or not is judged by setting upper and lower detection temperature limits, when the real-time temperature is detected to exceed the upper detection temperature limit or be lower than the lower detection temperature limit, device abnormity alarm is sent, and when no temperature is displayed, optical fiber damage alarm is sent.

Compared with the prior art, the invention has the following advantages:

firstly, the distributed optical fiber sensor adopted by the invention can continuously, accurately and real-timely measure the temperature of each part of the line, has high measurement precision, can accurately position abnormal points of the temperature, has obviously reduced missing report rate and false report rate, has high response speed and is safe and reliable in system operation.

The optical fiber sensor is made of quartz, has good electromagnetic interference resistance and complete electrical insulation, and can work in a high-electromagnetic environment.

The invention is suitable for remote monitoring, and has long measuring distance, large transmission data volume of the optical fiber and small loss.

The invention has high sensitivity and high measurement precision, and the sensitivity and the measurement precision of the adopted optical fiber sensor are superior to those of the common sensor.

The invention has long service life, low cost, simple and easy-to-use system, the optical fiber is made of quartz glass, has the characteristics of no corrosion, fire resistance, water resistance and long service life, can be used for 30 years generally, the cost of the sensor and the subsequent maintenance cost are comprehensively considered, and the final operation cost of the whole project can be greatly reduced by using the optical fiber sensor.

The carbon fiber heating wire adopted by the invention has the advantages of high electric heat conversion efficiency, quick temperature rise, high tensile strength, no electric arc generation when the wire is broken, stable chemical property and the like.

And seventhly, due to the existence of the heating assembly, the icing phenomenon on the surface of the power supply line can be effectively removed, and the safety and the reliability of the system are improved.

And eighthly, the heating wires are installed in a clamping groove mode, so that the maintenance is convenient, and the maintenance cost is reduced.

Drawings

FIG. 1 is a schematic diagram of the general structure of the power supply rail online temperature measurement deicing system.

FIG. 2 is a schematic view of a partial structure of the power supply rail online temperature measurement deicing system of the present invention.

FIG. 3 is a schematic view of the arrangement of the optical fiber and the heating wire of the present invention along the line.

FIG. 4 is a schematic side view of the optical fiber and heating wire arrangement of the present invention.

FIG. 5 is a schematic diagram of another type of lateral arrangement of optical fibers and heating wires under a power supply rail.

FIG. 6 is another schematic diagram of another type of arrangement of the optical fibers and the heating wires under the power supply rail along the line

FIG. 7 is a flow chart of the on-line temperature measurement deicing system for the power supply rail of the medium-low speed maglev train.

The notation in the figure is:

1. the temperature measurement host computer, 2, wireless communication subassembly, 3, heating controller, 4, display, 5, optical fiber sensor, 6, heater strip, 7, power supply line, 8, power supply rail, 9, the power supply contact surface of power supply rail of another form.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments.

The invention provides a carbon fiber electric heating deicing device for a medium-low speed magnetic levitation traffic power supply rail, which comprises a distributed optical fiber temperature measurement component, a wireless communication component and a heating component, wherein the distributed optical fiber temperature measurement component comprises a temperature measurement host 1 and an optical fiber sensor 5, the temperature measurement host 1 is connected with a control center through the wireless communication component, and temperature information is transmitted in real time; the optical fiber sensor 5 adopts a commonly used spiral steel tube armored temperature measurement optical cable in the market, the positioning precision is 1m, the temperature resolution is 0.1 ℃, the use temperature range is-20 ℃ to 85 ℃, and the output end of the optical fiber sensor 5 is directly connected with a temperature measurement host.

The temperature measurement main part 1 is provided with a display, is provided with a monitoring system and is matched with corresponding software and hardware, can acquire information in real time, has the functions of signal conditioning, analog-to-digital conversion, data preprocessing and the like, can receive temperature data and temperature change data in real time, and displays the data on the display in two forms of numbers and images.

The display 4 displays the temperature distribution curve and the temperature change distribution curve on the line in real time.

An external interface of the AP Sensing is arranged on the temperature measurement host 1 and consists of a temperature measurement optical cable interface, a relay expansion interface, a network interface and an RS232/485 interface.

A laser pulse generator is arranged in the temperature measurement host 1, and heating starting temperature and heating stopping temperature are arranged in monitoring system software in the temperature measurement host 1, namely when the temperature is lower than the heating starting temperature, the heating assembly is started, and when the temperature is higher than the heating stopping temperature, the heating assembly is stopped.

The temperature measurement host 1 has the functions of optical fiber damage detection and device abnormity alarm, and whether the device is abnormal or not is judged by setting a detection threshold value in the system. The threshold value is the upper limit and the lower limit of the detection temperature, namely when the real-time temperature is detected to exceed the upper limit of the detection temperature or be lower than the lower limit of the detection temperature, the abnormal alarm of the device is sent out; when the temperature is not displayed, an optical fiber damage alarm is sent out.

The heating assembly comprises a heating controller 3 and a heating wire 6, the heating controller 3 is provided with a relay unit, and the heating controller 3 is connected with the temperature measurement host 1 through the relay unit.

The heating controller 3 has the functions of overheat protection and electric leakage protection, and can output a control signal through a relay node in the relay unit to switch on a power supply of the heating wire and start the heating system.

The heating wire 6 is a carbon fiber heating wire.

The temperature measuring optical cable 7 and the heating wire 6 are both arranged on the power supply rail 8 in a clamping groove mode.