CN212110042U - Mileage recorder - Google Patents

Abstract

The utility model provides a mileage recorder, includes the CPU treater, the CPU treater links to each other with DCDC converting circuit, display drive RS232 circuit, audible-visual alarm circuit, data storage circuit, data signal isolation part to constitute the circuit of mainboard, DCDC converting circuit is connected with external power source, display drive RS232 circuit is connected with intelligent display screen, data signal isolation circuit is connected with signal acquisition circuit, the utility model discloses can acquire the functioning speed of locomotive in real time to convert the speed signal of telecommunication and show on the screen, equipment is from taking the date, time display, thereby for maintainer to locomotive maintenance time have audio-visual understanding to reduce the cost of labor, also can effectively avoid the possibility of artifical mistake, and can reduce the material cost.

Description

Mileage recorder

Technical Field

The utility model relates to a record appearance structure especially relates to a mileage record appearance.

Background

The maintenance system of railway locomotives in various countries in the world is different, but the maintenance system of most countries mainly plans to prevent maintenance. The China railway locomotive adopts preventive regular maintenance, replacement and repair and specialized and centralized maintenance of main parts;

the number of kilometers traveled or the working time between two times of the same repair trip of the locomotive is called a repair cycle. The repair period of each stage is the shortest period for ensuring safe application of main parts between two repair processes. The overhaul period is determined according to the characteristics of the locomotive structure, the operating conditions, the actual technical state and the production technical level. The railway specified overhaul period of each country is different. The main line passenger and freight locomotives are calculated according to running kilometers or time, and the shunting locomotives are generally calculated according to time (day, month or year);

the mileage display is carried out on the core monitoring of the Chinese railway locomotive, but the mileage exceeding warning function is not provided, so that the situation that the mileage exceeding maintenance is unknown exists, and thus great safety risk is brought;

the prior art is as follows: mainly by manual work. After each overhaul is finished, recording the current mileage manually, and then after the vehicle runs, when the mileage reaches the maintenance mileage, the driver and the crew automatically report to the superior level so as to arrange the overhaul problem;

the prior art has the following disadvantages:

1, the labor cost is high, and the related work tasks need to be completed by arranged personnel.

2, the monitoring is impossible, and the personnel are easy to forget and make mistakes.

Personnel are in record and inquiry, when coordinating, error appears inevitable, does not have reliable direct-viewing convenient data to look over the mileage information after the locomotive operation either.

And 3, manually recording mileage information, needing a large number of paper files and having high material resource consumption.

Vehicles in the locomotive depot are often large in number, which is hundreds of vehicles, if each vehicle needs to make a relevant record, a large number of records are needed, the departure frequency of the vehicles is high, the data size is large, and meanwhile, the storage of a large number of paper data is a very troublesome matter.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a mileage recorder, including the CPU treater, the CPU treater links to each other with DCDC converting circuit, display driver RS232 circuit, audible and visual alarm circuit, data storage circuit, data signal isolation part to constitute the circuit of mainboard, DCDC converting circuit is connected with external power source, display driver RS232 circuit is connected with intelligent display screen, data signal isolation circuit and signal acquisition circuit are connected.

Preferably, the CPU processor is a 32-bit ARM processor.

Preferably, the intelligent display screen is a 5-inch intelligent liquid crystal screen.

Preferably, the signal acquisition circuit comprises two groups of voltage stabilizing circuits and a hysteresis comparator.

Preferably, the data signal isolation section comprises a high-speed optical coupler isolator.

Preferably, the casing of the device is made of aluminum material, the surface process adopts black anodic oxidation, the shape is square, and the front casing and the rear cover are installed in a combined mode.

Preferably, the right side of the housing has a 4-pin aviation plug interface.

Compared with the prior art, the utility model discloses following beneficial effect has:

the device can acquire the running speed of the locomotive in real time, convert and display a speed electric signal on a screen, and display the date and time of the device, so that maintenance personnel can visually know the maintenance time of the locomotive, the device can record the total mileage of the locomotive after running, can record the mileage of the locomotive after the locomotive is driven for the time, clear the mileage through a clear button on the screen, can set the maintenance mileage according to application requirements, automatically store the maintenance mileage, start an audible and visual alarm when the running mileage is greater than the alarm mileage, clear the alarm state through alarm release at the moment, and has the setting of wheel diameter parameters, thereby reducing the labor cost, effectively avoiding the possibility of manual error, and reducing the material cost.

Drawings

Fig. 1 is an overall structure diagram of the present invention.

Fig. 2 is a circuit structure diagram of the present invention.

The figure is as follows: 1 signal input, 2 external power supplies, 3 signal acquisition circuits, 4DCDC converting circuit, 5 data signal isolation parts, 6CPU treater, 7 display drive RS232 circuit, 8 data storage circuit, 9 acousto-optic warning circuit, 10 intelligent display screen.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1, a mileage recorder comprises a CPU processor 6, the CPU processor 6 is a 32-bit ARM processor, the CPU processor 6 is connected with a DCDC conversion circuit 4, a display driving RS232 circuit 7, an audible and visual alarm circuit 9, a data storage circuit 8, and a data signal isolation part 5, thereby forming a circuit of a main board, the DCDC conversion circuit 4 is connected with an external power supply 2, the display driving RS232 circuit 7 is connected with an intelligent display screen 10, the intelligent display screen 10 is a 5-inch intelligent liquid crystal screen, the data signal isolation circuit is connected with a signal acquisition circuit 3, the data signal isolation part 5 comprises a high-speed optical coupling isolator, the signal acquisition circuit 3 is connected with a signal input, the signal acquisition circuit 3 comprises two voltage stabilizing circuits and a hysteresis comparator, a shell of the device is made of a material, and a surface process adopts black anode oxidation, the shape is square, the front shell and the rear cover are installed in a combined mode, the right side of the shell is provided with a 4-pin aviation plug interface, the DCDC conversion circuit, the display driving RS232 circuit, the sound-light alarm circuit, the data storage circuit and the data signal isolation part of the utility model are common circuits on the market, and a circuit diagram is shown in figure 2;

the principle of the utility model is that: the upper power supply of the locomotive is DC110V direct current, the working power supply of the equipment needs 12V, 5V and 3.3V, and the power supply needs to be converted into the working voltage needed by the equipment through the data signal isolation part 5;

the signal acquisition circuit 3 comprises two groups of voltage stabilizing circuits and a hysteresis comparator, speed signals contain various interferences such as clutter, burrs and the like, effective speed signals are acquired through the data acquisition circuit, and interference sources are filtered;

the data signal isolation part 5 comprises a high-speed optical coupler isolator, and after the hysteresis comparator outputs information, in order to improve the stability of signals, the data signal isolation part 5 isolates the CPU acquisition circuit from output signals;

the display driving RS232 circuit 7 is used for connecting the CPU and the circuit of the intelligent display screen 10, and can realize data interaction between the CPU and the liquid crystal display screen; the intelligent display screen 10 part is used for displaying the current speed, the current walking mileage, the total mileage and the display interfaces such as walking mileage record and the like;

the CPU data processing part is used for processing the speed signal, converting the speed signal into mileage information and storing the running mileage. If the traveling mileage reaches the maintenance mileage, the CPU sends an audible and visual alarm command to the alarm circuit to remind the vehicle-mounted personnel.

The sound and light alarm part is used for receiving an alarm command sent by the CPU;

the data storage part is used for storing relevant information such as the model, the number, the driving mileage, the total mileage, the historical mileage and the like of the locomotive;

the device can acquire the running speed of the locomotive in real time, convert and display a speed electric signal on a screen, display the date and time of the device, visually know the maintenance time of the locomotive for maintenance personnel, record the total mileage of the locomotive after running, record the mileage of the locomotive after the locomotive is driven for the time, clear the mileage through a clear button on the screen, set the maintenance mileage according to the application requirement, automatically store the maintenance mileage, start the acousto-optic alarm when the running mileage is greater than the alarm mileage, clear the alarm state through the alarm release, and set the wheel diameter parameter.

The embodiments described are only preferred embodiments of the present invention, and the scope of the right of the present invention cannot be defined thereby, and therefore, modifications, equivalent changes, improvements, etc. made in the claims of the present invention still belong to the scope covered by the present invention.

Claims (7)

1. A mileage recorder comprises a CPU processor, and is characterized in that: the CPU processor is connected with the DCDC conversion circuit, the display driving RS232 circuit, the sound and light alarm circuit, the data storage circuit and the data signal isolation part to form a circuit of the main board, the DCDC conversion circuit is connected with an external power supply, the display driving RS232 circuit is connected with the intelligent display screen, and the data signal isolation circuit is connected with the signal acquisition circuit.

2. An odometer according to claim 1, wherein: the CPU processor is a 32-bit ARM processor.

3. An odometer according to claim 1, wherein: the intelligent display screen is a 5-inch intelligent liquid crystal screen.

4. An odometer according to claim 1, wherein: the signal acquisition circuit comprises two groups of voltage stabilizing circuits and a hysteresis comparator.

5. An odometer according to claim 1, wherein: the data signal isolation section includes a high-speed optical coupler isolator.

6. An odometer according to claim 1, wherein: the casing of the device is made of aluminum material, the surface process adopts black anodic oxidation, the shape is square, and the front casing and the rear cover are installed in a combined mode.

7. An odometer according to claim 6, wherein: and the right side of the shell is provided with a 4-pin aviation plug interface.

Images