CN205540045U - Rail train's sewage discharge controller - Google Patents

Abstract

The utility model relates to a rail train's sewage discharge controller, including power module, host system, communication module and drive module, communication module, drive module are connected with host system respectively, and power module is host system, communication module and drive module power supply, and host system passes through communication module and gathers speed of a motor vehicle signal, and host system passes through drive module drive host system 5. The beneficial effects of the utility model are that: this controller is small, and the interference killing feature is strong, can be according to the operational aspect intelligent judgment blowdown of train, operation accuracy, stable, reliable.

Description

Sewage discharge controller for rail trains

technical field

The utility model relates to a sewage discharge controller for rail trains.

Background technique

With the progress of society, people have higher and higher requirements for the environment and services. In the past, when the sewage tank was full, the train would still discharge domestic sewage even in the station. In order to maintain the sanitation of the station environment, passengers were restricted from using it before the train arrived at the station. This has not kept up with the requirements of the times. How to prevent the train from discharging sewage in the station due to the overfilling of the sewage tank while ensuring the normal use of the passengers in the train, so as to ensure the sanitation of the station environment, is a technical problem to be solved urgently when designing the rail train drainage system.

Utility model content

The technical problem to be solved by the utility model is to provide a sewage discharge controller for rail trains, which can judge the timing of sewage discharge by using the vehicle speed.

The technical solution adopted by the utility model to solve the technical problems is: a sewage discharge controller for rail trains, including a power supply module, a main control module, a communication module and a drive module, the communication module and the drive module are respectively connected to the main control module, The power supply module supplies power to the main control module, the communication module and the drive module, the main control module collects the vehicle speed signal through the communication module, and the main control module drives the drain solenoid valve through the drive module.

Further defined, the main control module includes a CPU and a clock unit for passing a clock signal to the CPU.

Further defined, the driving module is specifically a relay driving module.

Further defined, it also includes a box body formed by a bottom plate and an upper cover, a power supply module, a main control module, a communication module and a drive module are arranged in the box body, the power input port of the power supply module, the communication interface of the communication module, and the drive module The control signal output port is arranged on the side of the box body.

The beneficial effects of the utility model are: the controller is small in size and strong in anti-interference ability, can intelligently judge sewage discharge according to the running condition of the train, and runs accurately, stably and reliably.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described;

Fig. 1 is a structural representation of the utility model;

Among them, 1. Power module, 2. Main control module, 3. Communication module, 4. Driver module, 5. LED indicator module.

detailed description

As shown in Figure 1, a sewage discharge controller for rail trains includes a power supply module 1, a main control module 2, a communication module 3, a drive module 4 and a box body formed by a base plate and an upper cover, a communication module 3, a drive module The modules 4 are respectively connected to the main control module 2, the power supply module 1 supplies power to the main control module 2, the communication module 3 and the driving module 4, the main control module 2 collects the vehicle speed signal through the communication module 3, and the main control module 2 drives the drainage through the driving module 4 The electromagnetic valve. The power supply module 1, the main control module 2, the communication module 3 and the drive module 4 are set in the box body, and the power input port of the power supply module 1, the communication interface of the communication module 3 and the control signal output port of the drive module 4 are set on the side of the box body .

It also includes an LED indicating module 5, which is connected with the main control module 2 to display the working state of the controller.

The main control module 2 includes a CPU and a clock unit for passing a clock signal to the CPU.

The driving module 4 is specifically a relay driving module.

The communication module is specifically an RS232 serial port communication module, and the controller is connected with the PIS cabinet of the train through the RS232 communication interface, and receives the train speed signal collected by the PIS cabinet. The sewage discharge controller of the rail train intelligently judges the sewage discharge according to the operation status of the train. The electrical components of the controller on the hardware are all high-performance components of well-known brands. Add varistor and TVS collocation protection to the DC110V incoming line of the input power supply. The common mode inductor is used in the latter stage to reduce the ripple and noise generated by the power supply, and enhance the anti-interference ability of the board power supply, so that the controller can also operate in harsh power supply environments. works fine. The power supply also uses diodes for anti-reverse protection, even if the external wiring is wrong, it will not damage the device. The communication module 3 of the controller uses a voltage regulator tube to filter a voltage, so as not to malfunction when an external interference signal comes. Each interface of the controller has anti-reverse connection function. Use a Y capacitor to discharge a surge pulse signal to avoid damage to internal devices. In the face of strong external interference, the controller can also output and work normally. At the same time, the outer casing is brushed with all rusted steel plates, which is beautiful and generous. The shell is equipped with a grounding seat, and the overall anti-interference performance of the controller is enhanced after the controller is grounded, which improves the stability of the controller.

One of the sewage discharge control methods for the sewage discharge controller of the rail train to intelligently judge the sewage discharge according to the running conditions of the train is: first, judge whether the train is in the speed up phase or the speed down phase according to the continuously collected vehicle speed signal; if the train is in the speed up phase , and there is no outbound drainage mark, then drain water when the current vehicle speed is greater than the set outbound speed V1, and record the outbound drainage mark; Judging that the current vehicle speed is lower than the set inbound speed V2, perform drainage, and record the inbound drainage mark; when the vehicle speed signal is below V3, clear the outbound drainage mark and the inbound drainage mark, and V1 is 10-100 kilometers per hour , preferably 60 km/h, V2 is 10-100 km/h, preferably 80 km/h, V3 is 1-8 km/h, preferably 5 km/h.

The optimal method that can accurately judge whether the train speed is in the rising phase or the descending phase according to the continuously collected vehicle speed signal:

a. Continuously collect n1 speed signals, perform bubble sorting, average after removing the maximum value and minimum value, and obtain the speed value;

b. By continuously repeating step a n2 times, n2 speed values are obtained, and the n2 speed values are arranged into an array in sequence, and all speed values in the array are averaged to obtain an average value a1, and the n2 speed values in the array are averaged to obtain an average value a1. Average the speed values in the first half to get an average value a2, and average the speed values in the second half of the array to get an average value a3;

c. Judging the speed trend, if a2<a1 and a3>a1, and 3 consecutive times, it is judged that the train is in the speed-up phase, if a2>a1 and a3<a1, and 3 consecutive times, it is judged that the train is in the speed-down phase stage, if the above two conditions are not met, the original speed trend judgment will remain unchanged.

n1 is 5-10, preferably 5; n2 is 20-60, preferably 40.

When comparing the current vehicle speed with the set outbound speed V1, and when comparing the current vehicle speed with the set inbound speed V2, the hysteresis method is used for processing to avoid malfunctions caused by interference signals.

Claims (4)

1. A sewage discharge controller for rail trains, characterized in that: comprise a power supply module, a main control module, a communication module and a drive module, the communication module, the drive module are connected with the main control module respectively, the power supply module is a main control module, a communication module The module and the drive module supply power, the main control module collects the vehicle speed signal through the communication module, and the main control module drives the drain solenoid valve through the drive module. 2. The sewage discharge controller of rail train according to claim 1, characterized in that: said main control module comprises a CPU and a clock unit for passing a clock signal to the CPU. 3. The sewage discharge controller for rail trains according to claim 1, characterized in that: the drive module is specifically a relay drive module. 4. The sewage discharge controller for rail trains according to claim 1, characterized in that: it also includes a box body formed by a base plate and an upper cover, and a power supply module, a main control module, a communication module and a drive module are arranged in the box body. Inside the body, the power input port of the power module, the communication interface of the communication module and the control signal output port of the drive module are arranged on the side of the box body.