CN205241756U - Circuit rail welded joint mid frequency quenching control system - Google Patents
Circuit rail welded joint mid frequency quenching control system Download PDFInfo
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- CN205241756U CN205241756U CN201520989864.0U CN201520989864U CN205241756U CN 205241756 U CN205241756 U CN 205241756U CN 201520989864 U CN201520989864 U CN 201520989864U CN 205241756 U CN205241756 U CN 205241756U
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- 101100379079 Emericella variicolor andA gene Proteins 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 12
- 230000010354 integration Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002500 effect on skin Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
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Abstract
Description
技术领域technical field
本实用新型涉及一种线路钢轨焊接接头中频淬火控制系统。The utility model relates to an intermediate frequency quenching control system for line rail welding joints.
背景技术Background technique
中频淬火是线路钢轨焊接接头硬度处理的必要工序，传统的线路钢轨焊接接头中频淬火控制系统一般采用可控硅逆变电路，并经过并联谐振方式产生数百到数千赫兹的中频电源，使加热线圈对线路钢轨焊接接头进行加热，使所述加热线圈在被加热的线路钢轨焊接接头附近产生集肤效应，产生高温热量加热线路钢轨。另外在野外操作时也有采用乙炔加氧气的方式对线路钢轨表面进行加热，温度控制不准确，操作危险性大。Intermediate frequency quenching is a necessary process for the hardness treatment of line rail welded joints. The traditional intermediate frequency quenching control system for line rail welded joints generally uses a thyristor inverter circuit, and generates hundreds to thousands of Hz intermediate frequency power through parallel resonance to make heating The coil heats the welded joint of the line rail, so that the heating coil produces a skin effect near the welded joint of the heated line rail, and generates high-temperature heat to heat the line rail. In addition, in field operations, acetylene and oxygen are also used to heat the surface of the line rail. The temperature control is inaccurate and the operation is dangerous.
实用新型内容Utility model content
本实用新型的目的是为了克服现有技术的不足，提供一种线路钢轨焊接接头中频淬火控制系统，其能够有效提高加热过程中线路钢轨表面温度的一致性以及温度控制的精度和安全性，而且节能环保。The purpose of this utility model is to overcome the deficiencies of the prior art and provide an intermediate frequency quenching control system for line rail welded joints, which can effectively improve the consistency of the surface temperature of the line rail during the heating process and the accuracy and safety of temperature control, and Energy saving and environmental protection.
实现上述目的的一种技术方案是：一种线路钢轨焊接接头中频淬火控制系统，包括中央控制器、串联谐振式中频电源和若干个红外辐射传感器，该若干个红外辐射传感器均通过独立的总线连接所述中央控制器的输入端；A technical solution to achieve the above purpose is: a line rail welding joint intermediate frequency quenching control system, including a central controller, a series resonant intermediate frequency power supply and several infrared radiation sensors, the several infrared radiation sensors are connected through an independent bus an input terminal of the central controller;
每个所述红外辐射传感器的响应温度都是不同的；The response temperature of each of the infrared radiation sensors is different;
所述中央控制器的输出端连接所述串联谐振式中频电源的控制信号端，所述串联谐振式中频电源的输出端连接对应位于线路钢轨焊接接头的两侧的两个加热线圈。The output end of the central controller is connected to the control signal end of the series resonant intermediate frequency power supply, and the output end of the series resonant intermediate frequency power supply is connected to two heating coils located on both sides of the line rail welding joint.
进一步的，所述串联谐振式中频电源的控制信号端设有信号集成控制板，所述信号集成控制板，连接所述中央控制器的输出端。Further, the control signal end of the series resonant intermediate frequency power supply is provided with a signal integration control board, and the signal integration control board is connected to the output end of the central controller.
进一步的，所述若干个红外辐射传感器是通过RS485总线或者RS232总线连接所述中央控制器的。Further, the several infrared radiation sensors are connected to the central controller through RS485 bus or RS232 bus.
进一步的，所述线路钢轨焊接接头中频淬火控制系统，还包括一块位于所述线路钢轨焊接接头上方的底板，所述底板的顶面上设有控制柜，所述中央控制器和所述串联谐振式中频电源均位于所述控制柜内。Further, the intermediate frequency quenching control system for the line rail welded joint also includes a bottom plate located above the line rail welded joint, a control cabinet is arranged on the top surface of the bottom plate, and the central controller and the series resonance Type intermediate frequency power supply is located in the control cabinet.
再进一步的，所述底板的顶面上设有传感器支架，所述红外辐射传感器均位于所述传感器支架上。Still further, a sensor bracket is provided on the top surface of the bottom plate, and the infrared radiation sensors are all located on the sensor bracket.
再进一步的，所述底板的顶面上设有冷却水箱，所述加热线圈的径向中心是中空的，所述加热线圈连通所述冷却水箱。Still further, a cooling water tank is provided on the top surface of the bottom plate, the radial center of the heating coil is hollow, and the heating coil communicates with the cooling water tank.
再进一步的，所述底板的顶面上设有操作台，所述操作台包括触摸屏和计时器。Still further, an operation platform is provided on the top surface of the bottom plate, and the operation platform includes a touch screen and a timer.
采用了本实用新型的一种线路钢轨焊接接头中频淬火控制系统的技术方案，包括中央控制器、串联谐振式中频电源和若干个红外辐射传感器，该若干个红外辐射传感器均通过独立的总线连接所述中央控制器的输入端；每个所述红外辐射传感器的响应温度都是不同的，所述中央控制器的输出端连接所述串联谐振式中频电源的控制信号端，所述串联谐振式中频电源的输出端连接对应位于线路钢轨焊接接头的两侧的两个加热线圈。其技术效果是：其能够有效提高被加热线路钢轨表面的温度一致性，以及加热过程中温度控制的精度和安全性，而且节能环保。其技术效果是：其能够有效提高加热过程中被加热线路钢轨表面温度的一致性以及温度控制的精度和安全性，而且节能环保。A technical scheme of the intermediate frequency quenching control system for line rail welding joints of the utility model is adopted, including a central controller, a series resonant intermediate frequency power supply and several infrared radiation sensors, all of which are connected by an independent bus The input end of the central controller; the response temperature of each of the infrared radiation sensors is different, the output end of the central controller is connected to the control signal end of the series resonant intermediate frequency power supply, and the series resonant intermediate frequency The output end of the power supply is connected to the two heating coils corresponding to the two sides of the welding joint of the line rail. Its technical effect is that it can effectively improve the temperature consistency of the rail surface of the heated line, as well as the accuracy and safety of temperature control during the heating process, and it is energy-saving and environment-friendly. Its technical effect is: it can effectively improve the consistency of the surface temperature of the heated line rail in the heating process, the accuracy and safety of temperature control, and it is energy-saving and environment-friendly.
附图说明Description of drawings
图1为本实用新型的一种线路钢轨焊接接头中频淬火控制系统的电气连接示意图。Fig. 1 is a schematic diagram of electrical connection of an intermediate frequency quenching control system for line rail welded joints of the present invention.
图2为本实用新型的一种线路钢轨焊接接头中频淬火控制系统的外部结构示意图。Fig. 2 is a schematic diagram of the external structure of an intermediate frequency quenching control system for a line rail welded joint of the present invention.
具体实施方式detailed description
请参阅图1，本实用新型的发明人为了能更好地对本实用新型的技术方案进行理解，下面通过具体地实施例，并结合附图进行详细地说明：Please refer to Fig. 1, in order to better understand the technical solution of the present utility model, the inventor of the utility model will describe in detail below through specific embodiments in conjunction with the accompanying drawings:
请参阅图1，本实用新型的一种线路钢轨焊接接头中频淬火控制系统，包括中央控制器2和若干个红外辐射传感器1，用于检测线路钢轨表面的温度，各个红外辐射传感器1的响应温度都是不同的，该若干个红外辐射传感器1均通过独立的总线连接中央控制器2的输入端，中央控制器2的输出端连接串联谐振式中频电源3的控制信号端，串联谐振式中频电源3的输出端连接对应位于线路钢轨焊接接头的两侧的两个加热线圈4。Please refer to Fig. 1, a kind of intermediate frequency quenching control system of line rail welding joint of the present utility model, comprises central controller 2 and several infrared radiation sensors 1, is used for detecting the temperature of line rail surface, the response temperature of each infrared radiation sensor 1 They are all different. The several infrared radiation sensors 1 are all connected to the input terminal of the central controller 2 through an independent bus, and the output terminal of the central controller 2 is connected to the control signal terminal of the series resonant intermediate frequency power supply 3, and the series resonant intermediate frequency power supply The output end of 3 is connected to two heating coils 4 corresponding to the two sides of the line rail welding joint.
这样设计的目的在于：通过中央控制器2打开所有的红外辐射传感器1和串联谐振式中频电源3后，加热线圈4开始对线路钢轨表面进行加热，使加热线圈4在被加热的线路钢轨焊接接头附近产生集肤效应，产生高温热量加热线路钢轨。同时所有的红外辐射传感器1开始对线路钢轨表面的温度进行测量，其中任意一个红外辐射传感器1的响应温度达到时，则向中央控制器2的输入端发出一个响应信号，中央控制器2的输入端在接收到该响应信号后，中央控制器2的输出端向串联谐振式中频电源3的控制信号端输出对应的控制信号，使串联谐振式中频电源3以对应的输出功率输出电能，使加热线圈4以对应的加热功率对线路钢轨表面进行加热，从而实现在淬火过程中，对线路钢轨表面的升温过程的全程控制。其中响应温度最高的红外辐射传感器1发出响应信号，即淬火温度达到后，该红外辐射传感器1上的定时器开始计时，即进行保温计时，保温计时完成，该定时器发出一个使中央控制器2关闭串联谐振式中频电源3的关闭信号，线路钢轨自然冷却。The purpose of this design is: after turning on all the infrared radiation sensors 1 and the series resonant intermediate frequency power supply 3 through the central controller 2, the heating coil 4 starts to heat the surface of the line rail, so that the heating coil 4 welds the joint on the heated line rail The skin effect is generated nearby, and high temperature heat is generated to heat the line rail. Simultaneously all infrared radiation sensors 1 start to measure the temperature on the rail surface of the line, and when the response temperature of any one of the infrared radiation sensors 1 reaches, a response signal is sent to the input of the central controller 2, and the input of the central controller 2 After the terminal receives the response signal, the output terminal of the central controller 2 outputs a corresponding control signal to the control signal terminal of the series resonant intermediate frequency power supply 3, so that the series resonant intermediate frequency power supply 3 outputs electric energy with the corresponding output power, so that the heating The coil 4 heats the surface of the line rail with a corresponding heating power, so as to realize full control over the temperature rise process of the surface of the line rail during the quenching process. Wherein the infrared radiation sensor 1 with the highest response temperature sends a response signal, that is, after the quenching temperature reaches, the timer on the infrared radiation sensor 1 starts counting, that is, the heat preservation time is carried out, and the heat preservation time is completed, and the timer sends a signal to make the central controller 2 Turn off the closing signal of the series resonant intermediate frequency power supply 3, and the line rail is naturally cooled.
本实施例中，串联谐振式中频电源3的控制信号端设有一个信号集成控制板，该信号集成控制板连接中央控制器2的输出端，串联谐振式中频电源3通过该信号集成控制板调节其输出功率，从而实现节能环保的技术效果。In this embodiment, the control signal end of the series resonant intermediate frequency power supply 3 is provided with a signal integration control board, and the signal integration control board is connected to the output end of the central controller 2, and the series resonant intermediate frequency power supply 3 is adjusted through the signal integration control board Its output power can achieve the technical effect of energy saving and environmental protection.
本实施例中，该若干个红外辐射传感器1是通过RS485总线或者RS232总线连接中央控制器2的输入端的。In this embodiment, the several infrared radiation sensors 1 are connected to the input end of the central controller 2 through the RS485 bus or the RS232 bus.
请参阅图2，本实施例中，本实用新型的一种线路钢轨焊接接头中频淬火控制系统包括一块位于线路钢轨焊接接头上方的底板5，底板5的顶面上设有：控制柜52、传感器支架51、冷却水箱54和操作台55。Please refer to Fig. 2, in the present embodiment, a kind of intermediate frequency quenching control system of the line rail welding joint of the present utility model comprises a bottom plate 5 that is positioned at the top of the line rail welding joint, and the top surface of the bottom plate 5 is provided with: control cabinet 52, sensor Support 51, cooling water tank 54 and operating table 55.
其中红外辐射传感器1都位于传感器支架51上，中央控制器2和串联谐振式中频电源3都位于控制柜52内。The infrared radiation sensors 1 are located on the sensor bracket 51 , and the central controller 2 and the series resonant intermediate frequency power supply 3 are located in the control cabinet 52 .
由于在加热过程中，两个加热线圈4中均要通过上千安培的电流，因此两个加热线圈4的径向中心都是中空的，并连通冷却水箱54，冷却水箱54内的水通入加热线圈4的径向中心，对加热线圈4内部进行冷却，从而延长加热线圈4的使用寿命。Because in the heating process, the current of thousands of amperes will pass through the two heating coils 4, so the radial centers of the two heating coils 4 are all hollow, and communicate with the cooling water tank 54, and the water in the cooling water tank 54 is passed into The radial center of the heating coil 4 cools the inside of the heating coil 4 , thereby prolonging the service life of the heating coil 4 .
操作台55包括触摸屏和计时器，其中所述触摸屏，用于对各个红外辐射传感器1的响应温度进行设定，以及对响应温度最高的红外辐射传感器1上的定时器的定时进行设定。所述计时器在中央控制器2启动串联谐振式中频电源3后开始计时，用于对淬火加热的全过程进行计时，同时，操作台55连接各个红外辐射传感器1，并通过红外辐射传感器1对线路钢轨表面的温度进行测量，获取线路钢轨表面的温度，从而在所述触摸屏上显示时间与线路钢轨表面温度的对应关系。The console 55 includes a touch screen and a timer, wherein the touch screen is used to set the response temperature of each infrared radiation sensor 1 and set the timing of the timer on the infrared radiation sensor 1 with the highest response temperature. The timer starts counting after the central controller 2 starts the series resonant intermediate frequency power supply 3, and is used to time the whole process of quenching and heating. The temperature on the surface of the line rail is measured to obtain the temperature on the surface of the line rail, so that the corresponding relationship between time and the surface temperature of the line rail is displayed on the touch screen.
本实用新型的一种线路钢轨焊接接头中频淬火控制系统，采用红外辐射传感器1和中央控制器2对串联谐振式中频电源3的输出功率进行调节，从而实现对线路钢轨焊接接头两侧的线路钢轨加热过程的全程控制，相比于并联谐振电源加可控硅电路的传统线路钢轨焊接接头中频淬火控制系统，其能够有效提高加热过程中被加热线路钢轨表面温度的一致性以及温度控制的精度和安全性，而且节能环保。An intermediate frequency quenching control system for line rail welding joints of the utility model uses an infrared radiation sensor 1 and a central controller 2 to adjust the output power of a series resonant intermediate frequency power supply 3, thereby realizing the line rails on both sides of the line rail welding joints The whole process control of the heating process, compared with the traditional line rail welding joint intermediate frequency quenching control system with parallel resonant power supply and thyristor circuit, it can effectively improve the consistency of the surface temperature of the heated line rail during the heating process and the accuracy and accuracy of temperature control. Safety, energy saving and environmental protection.
本技术领域中的普通技术人员应当认识到，以上的实施例仅是用来说明本实用新型，而并非用作为对本实用新型的限定，只要在本实用新型的实质精神范围内，对以上所述实施例的变化、变型都将落在本实用新型的权利要求书范围内。Those of ordinary skill in the art should recognize that the above embodiments are only used to illustrate the utility model, rather than as a limitation to the utility model, as long as within the spirit of the utility model, the above-mentioned The changes and modifications of the embodiments will all fall within the scope of the claims of the present utility model.
Claims (7)
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