CN204302366U - A kind of fault monitoring system of brake shoe checkout equipment - Google Patents

Abstract

The fault monitoring system of a kind of brake shoe checkout equipment that the application provides, this system comprises total current acquisition device and compares to determine device, and total electricity acquisition device obtains the operating current of described brake shoe checkout equipment, it can be used as total current value; Then compare to determine device this total current value and the total current threshold value preset are compared, judge that when total current value exceeds total current threshold value brake shoe checkout equipment breaks down, and export fault-signal.Because brake shoe detection system is certain during its operating current when normally working, therefore by the change of its electric current of monitoring, export fault-signal when its operating current exceeds normal value and operating current threshold value, monitor staff can according to this fault-signal Timeliness coverage fault.

Description

A fault monitoring system for brake shoe detection equipment

technical field

The present application relates to the technical field of train safety operation assurance, and more specifically, relates to a fault monitoring system for brake shoe detection equipment.

Background technique

With the development of industrial automation technology, in order to reduce the labor burden of staff, unattended automatic detection equipment is often used to detect trains. The brake shoe detection equipment is an automatic equipment for automatic detection of the brake shoe of the train, but because it is generally installed in the open air, the working environment is relatively harsh, once a failure occurs, it will affect the detection results, and even the brake shoe cannot be detected. Therefore, it is necessary to monitor the working status of the brake shoe testing equipment to detect its faults in time.

Utility model content

In view of this, the present application provides a fault monitoring system for brake shoe detection equipment, which is used to monitor the working state of the brake shoe detection equipment, so as to discover its faults in time.

In order to achieve the above purpose, the proposed scheme is as follows:

A fault monitoring system for brake shoe detection equipment, preferably comprising:

The total current detection device is used to detect the working current of the brake shoe detection equipment as the total current value;

The comparison and determination device is used to compare the total current value with a preset total current threshold, and output a fault signal when the total current value exceeds the total current threshold.

Preferably, the comparison and determination device is used to respectively compare the total current value with the upper limit and the lower limit of the total current threshold, when the total current value is higher than the upper limit of the total current threshold or lower than the The fault signal is output at the lower limit of the total current threshold.

Preferably, it also includes:

A component current detection device, configured to detect the working current of all components of the brake shoe detection device according to the fault signal, and use it as the component working current;

The device fault judging device is used for comparing the device operating current with a preset device operating current threshold, and when the device operating current exceeds the device operating current threshold, it is determined that the device is faulty, and the output indicates that the Device fault information for a device fault.

Preferably, the device failure judging device is used to compare the device operating current with the upper limit and the lower limit of the device operating current respectively, when the device operating current is higher than the upper limit of the device operating current threshold or lower than Outputting the device failure information when the device operating current threshold is at a lower limit.

Preferably, the device includes a temperature sensor, a camera, a motor and/or a supplementary light;

The fault information includes temperature sensor fault information, camera fault information, motor fault information and/or fill light fault information.

It can be seen from the above technical solutions that the application provides a fault monitoring system for brake shoe detection equipment, the system includes a total current acquisition device and a comparison and determination device, the total power acquisition device acquires the working current of the brake shoe detection equipment, It is used as the total current value; then the comparison and determination device compares the total current value with the preset total current threshold, and when the total current value exceeds the total current threshold, it is determined that the brake shoe detection equipment is faulty, and a fault signal is output. Since the working current of the brake shoe detection system is constant during normal operation, by monitoring the change of its current, when the working current exceeds the normal value, that is, the working current threshold, a fault signal is output, and the monitoring personnel can find out in time according to the fault signal Fault.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present application. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a structural diagram of a fault monitoring system of a brake shoe detection device provided in an embodiment of the present application;

Fig. 2 is a structural diagram of a fault monitoring system for brake shoe detection equipment provided in another embodiment of the present application.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

Embodiment one

Fig. 1 is a structural diagram of a fault monitoring system for brake shoe testing equipment provided in another embodiment of the present application.

As shown in FIG. 2 , the fault monitoring system provided by this embodiment includes a total current detection device 10 and a comparison and determination device 20 .

The total current detection device 10 is used to detect the total working current of the brake shoe detection equipment. It is arranged on the power supply (not shown) of the brake shoe detection equipment. Detect the working current of the power supply of the brake shoe detection device when it is working normally, and use it as the total current value.

The signal input terminal of the comparison and determination device 20 is connected with the signal output terminal of the total current detection device 10, for receiving the total current value and comparing the total current value with the preset total circuit threshold value, and passing its signal according to the comparison result. The output terminal outputs a fault signal.

The total current threshold is a value preset in advance, which is a current range value determined according to the current value required for the normal operation of the brake shoe detection equipment, and a certain margin flows out according to the actual situation. This device detects the total current The total current value obtained by the device 10 is compared with the total current threshold, and if the total current value is within the total current threshold, that is, the total current value is higher than the lower limit of the total current threshold and lower than the lower limit of the total current value, it indicates that the brake shoe The detection equipment is normal; if the over-total current value exceeds the total current threshold, that is, the total current value is higher than the upper limit of the total current threshold or lower than the lower limit of the total current value, a fault signal is output. Thereby, the monitoring personnel can be notified that the brake shoe detection device has failed.

It can be seen from the above technical solution that this embodiment provides a fault monitoring system for brake shoe detection equipment, the system includes a total current acquisition device and a comparison and determination device, and the total power acquisition device acquires the working current of the brake shoe detection equipment , taking it as the total current value; then the comparison and determination device compares the total current value with a preset total current threshold, and when the total current value exceeds the total current threshold, it is judged that the brake shoe detection device is faulty, and a fault signal is output. Since the working current of the brake shoe detection system is constant during normal operation, by monitoring the change of its current, when the working current exceeds the normal value, that is, the working current threshold, a fault signal is output, and the monitoring personnel can find out in time according to the fault signal Fault.

The previous embodiment can only determine that the brake shoe detection equipment is faulty, but it cannot determine which device is faulty. Therefore, maintenance personnel are required to conduct complex tests, which is time-consuming and labor-intensive. This problem is not solved. The following examples are used to identify faulty devices.

Embodiment two

Fig. 2 is a structural diagram of a fault monitoring system of a brake shoe detection device provided in another embodiment of the present application.

As shown in FIG. 2 , the fault monitoring system provided by this embodiment is based on the previous embodiment by adding a device current detection device 30 and a device fault judgment device 40 .

The device current detection device 30 is to detect the operating current of each device of the brake shoe detection device when the comparison and determination device 20 outputs a fault signal, and output the operating current of each device through its signal output terminal, and use it as a device Working current.

The signal input terminal of the device failure judging device 40 is used to receive the device operating current and compare it with a preset device operating current threshold.

After obtaining the device operating current of the corresponding device, compare the device operating current with the preset device operating current threshold, if the corresponding device operating current exceeds its corresponding device operating current threshold, that is, it is higher than the device operating current threshold When the upper limit or the lower limit of the operating current threshold of the device is lower than, the device fault information indicating that the device fails is output through its signal output terminal.

Generally speaking, each device has a corresponding device operating current. These devices include temperature sensors, cameras, motors, and fill lights. Accordingly, there are temperature sensor operating currents, camera operating currents, motor operating currents, and fill lights. current. Corresponding to each device is temperature sensor failure information, camera failure information, motor failure information or fill light failure information.

When maintenance personnel repair the faulty brake shoe detection equipment, they can quickly locate the fault point according to the device fault information, thereby reducing the difficulty of maintenance work.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. a fault monitoring system for brake shoe checkout equipment, is characterized in that, comprising:

Total current checkout gear, for detecting the operating current of described brake shoe checkout equipment, it can be used as total current value;

Comparing to determine device, for described total current value and the total current threshold value preset being compared, exporting fault-signal when described total current value exceeds described total current threshold value.

2. fault monitoring system as claimed in claim 1, it is characterized in that, the described device that compares to determine for the upper limit of described total current value and described total current threshold value, lower limit are compared respectively, when described total current value exports described fault-signal in limited time higher than the upper limit of described total current threshold value or lower than the lower of described total current threshold value.

3. fault monitoring system as claimed in claim 1 or 2, is characterized in that, also comprise:

Device current checkout gear, for detecting the operating current of all devices of described brake shoe checkout equipment according to described fault-signal, and it can be used as device operation current;

Device fault decision maker, for described device operation current and the device operation current threshold value preset are compared, judge described device failure when described device operation current exceeds described device operation current threshold value, and export the device fault information representing described device failure.

4. fault monitoring system as claimed in claim 3, it is characterized in that, described device fault decision maker is for comparing the upper limit of described device operation current and described device operation current, lower limit respectively, when described device operation current exports described device fault information in limited time higher than the upper limit of described device operation current threshold value or lower than the lower of described device operation current threshold value.

5. fault monitoring system as claimed in claim 3, it is characterized in that, described device comprises temperature sensor, camera, motor and/or light compensating lamp;

Described fault message comprises temperature sensor fault information, camera fault message, electrical fault information and/or light compensating lamp fault message.