CN104280054A - Data recording device - Google Patents
Data recording device Download PDFInfo
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- CN104280054A CN104280054A CN201410620020.9A CN201410620020A CN104280054A CN 104280054 A CN104280054 A CN 104280054A CN 201410620020 A CN201410620020 A CN 201410620020A CN 104280054 A CN104280054 A CN 104280054A
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Abstract
The invention provides a data recording device. The conventional singlechip microcomputer is replaced by using a microprocessor. As a slot of an expanded data acquisition card is reserved on the microprocessor, when the acquisition channels of one data acquisition card are insufficient in quantity, a data acquisition card can be further added on the reserved slot so as to increase the quantity of the acquisition channels. As over 16 measuring points on components and apparatuses of a locomotive are available, at least two data acquisition cards are required in the device. The microprocessor is a central processor which is formed by one or more large-scaled integrated circuits. The device can work under an ultimate temperature dependent on the self packaging characteristic, so that the device can be suitable for testing processes under various environments of the locomotive, and moreover, the microprocessor has relatively high processing speed and relatively large memory space, so that the device has relatively high data processing speed and can be used for storing large volume data.
Description
Technical field
The present invention relates to locomotive technology field, particularly relate to a kind of data recording equipment.
Background technology
In railway locomotive operational process, in order to probe into the data characteristic of railway locomotive each heater element in test run process, need data recording equipment to record the temperature in process of the test, voltage, the data such as electric current, but the components and parts of railway locomotive are very many, measurement point on a device is also very many, for the heat generation characteristic of Locomotive Converter when changed power, the temperature spot that traction convertor need be measured reaches 16, and need to measure the temperature variation data of traction convertor within a cycle of operation, the general cycle of operation is all more than tens hours, run duration produces a large amount of test datas.And pen recorder needs record locomotive components and parts data under circumstances, environment temperature is low sometimes reaches-40 DEG C or up to 50 DEG C, so need data recording equipment can also normally work under ultimate temperature.
But existing data recording equipment mostly adopts single-chip microcomputer to add the Design Mode of peripheral circuit, single-chip microcomputer due to himself characteristic determine the transmission of its memory function, data and data communication facility relatively weak, be difficult to normal work especially at low ambient temperatures.
So need a kind of new data recording equipment now, can normally work under ultimate temperature, there is data processing speed and can storing Large Volume Data faster.
Summary of the invention
The invention provides a kind of data recording equipment, can normally work under limit data, there is data processing speed and can storing Large Volume Data faster.
To achieve these goals, the invention provides following technological means:
A kind of data recording equipment, comprising:
Microprocessor, at least two data collecting cards and acquisition module;
Multiple sampler in described acquisition module is connected with multiple measurement point one_to_one corresponding of components and parts to be measured, for measuring the data of described multiple measurement point;
Each data collecting card of described at least two data collecting cards has multiple passage, one end of each passage is connected with described microprocessor, the other end is connected with the sampler in acquisition module, measurement point data after conversion for gathering and changing the data of described multiple measurement point, and are sent to described microprocessor by described data collecting card;
Described microprocessor is used for processing measurement point data after described conversion.
Preferably, the sampler in described acquisition module comprises:
Thermopair, voltage sensor, current sensor and/or Boolean value output sensor;
Described thermopair, for gathering the resistance of measurement point, is sent to described microprocessor after the resistance of described measurement point being converted to the temperature of measurement point;
Described voltage sensor, for gathering the voltage signal of measurement point, is sent to described microprocessor after the voltage signal of described measurement point being converted to the voltage of measurement point;
Described current sensor, for gathering the current signal of measurement point, is sent to described microprocessor after the current signal of described measurement point being converted to the electric current of measurement point;
Described Boolean value output sensor, for gathering the switching signal of measurement point, is sent to described microprocessor after the switching signal of described measurement point being converted to the switching value of measurement point.
Preferably, described microprocessor is used for comprising the process that measurement point data after described conversion process:
Carry out this locality to measurement point data after described conversion to store;
Measurement point data after described conversion are carried out real-time Transmission.
Preferably, also comprise the host computer be connected with described microprocessor, for measurement point data after the real-time reception also described conversion of display in real time.
Preferably, described microprocessor is used for processing measurement point data after described conversion specifically comprising:
Download the local historical data stored, and described historical data is sent to described host computer;
Described host computer is specifically for showing and analyzing described historical data.
Preferably, described microprocessor comprises TCP/IP server and ftp server;
Transmission Control Protocol is adopted to transmit between described microprocessor and described host computer;
Described microprocessor downloads described historical data by File Transfer Protocol.
Preferably, also comprise:
The display module be connected with described microprocessor, for showing measurement point data after described conversion in real time;
The conversion electric power be connected with described microprocessor, for being converted to the required voltage of described microprocessor and described components and parts to be measured by supply voltage.
Preferably, described microprocessor comprises communication interface.
Preferably, described communication interface comprises serial ports, Ethernet interface and/or USB interface;
Described display module utilizes data line to be connected with described microprocessor by USB interface;
Described host computer is connected with described microprocessor by Ethernet interface.
Preferably, each data collecting card has 8 passages;
Described microprocessor also comprises the storer storing measurement point data after described conversion.
The invention provides a kind of data recording equipment, this device adopts microprocessor to replace traditional single-chip microcomputer, because microprocessor is reserved with the slot of growth data capture card, so when the acquisition channel quantity of a data collecting card is inadequate, a data collecting card can be increased again on reserved slot, increase acquisition channel quantity with this, the measurement point due to the components and parts on railway locomotive is general all more than 16, therefore at least needs two data collecting cards in this device.
Microprocessor is the central processing unit of a slice or several large scale integrated circuit compositions, because himself encapsulation characteristic determines that it can carry out work under ultimate temperature, therefore, it is possible to be applicable to railway locomotive test process under circumstances, and microprocessor has higher processing speed and larger memory headroom, so have data processing speed and can storing Large Volume Data faster.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of Fig. 1 a kind of data recording equipment disclosed in the embodiment of the present invention;
Fig. 2 is the structural representation of the embodiment of the present invention another data recording equipment disclosed;
Fig. 3 is the structural representation of the embodiment of the present invention another data recording equipment disclosed;
Fig. 4 is the structural representation of the embodiment of the present invention another data recording equipment disclosed.
Embodiment
Relational language in file is explained
XPE:Windows XP Embedded, operating system;
IP:Internet Protocol, interconnection protocol between network;
TCP:Transmission Control Protocol, transmission control protocol;
FTP:File Transfer Protocol, file transfer protocol (FTP).
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the invention provides a kind of data recording equipment, comprising:
Microprocessor 100, at least two data collecting cards 200 and acquisition module 300;
Multiple sampler in described acquisition module 300 is connected with multiple measurement point one_to_one corresponding of components and parts 400 to be measured, for measuring the data of described multiple measurement point;
Each data collecting card of described at least two data collecting cards 200 has multiple passage, one end of each passage is connected with described microprocessor 100, the other end is connected with the sampler in acquisition module 300, measurement point data after conversion for gathering and changing the data of described multiple measurement point, and are sent to described microprocessor 100 by described data collecting card;
Described microprocessor 100 is for processing measurement point data after described conversion.
When the required content measured of components and parts 400 to be measured is different, the structure of acquisition module 300 is different, concrete, as shown in Figure 2, multiple samplers in described acquisition module 300, respectively with sampler 301, sampler 302 ... sampler 30N represents, N is non-zero natural number, and N is consistent with the quantity of measurement point, and each sampler comprises:
Thermopair 11, voltage sensor 12, current sensor 13 and/or Boolean value output sensor 14;
Described thermopair 11, for gathering the resistance of measurement point, is sent to described microprocessor 100 after the resistance of described measurement point being converted to the temperature of measurement point;
Described voltage sensor 12, for gathering the voltage signal of measurement point, is sent to described microprocessor 100 after the voltage signal of described measurement point being converted to the voltage of measurement point;
Described current sensor 13, for gathering the current signal of measurement point, is sent to described microprocessor 100 after the current signal of described measurement point being converted to the electric current of measurement point;
Described Boolean value output sensor 14, for gathering the switching signal of measurement point, is sent to described microprocessor after the switching signal of described measurement point being converted to the switching value of measurement point.
For thermopair 11, acquisition module 300 is described, in the present invention, thermopair 11 is a kind of temperature sensor, can be directly connected in the measurement point of components and parts to be measured, when the temperature of measurement point is different, the resistance of thermopair is different, and data collecting card 200 has multiple port; One end of each port is connected with microprocessor 100, the other end is connected with a measurement point of components and parts 400 to be measured, the resistance act as thermopair 300 gathers of port is converted to temperature, and temperature is transferred to microprocessor 100, when there being the multiple thermopair 11 be connected with multiple measurement point, microprocessor 100 just obtains the temperature of multiple measurement point.
Data collecting card 200 is changed multiple measurement point data that thermopair 11, voltage sensor 12, power sensor 13 and Boolean value output sensor 14 gather respectively, and measurement point data after the data after conversion being referred to as conversion, after conversion, measurement data comprises the multiple translation data corresponding with multiple measurement point.Microprocessor 100 after measurement point data, just processes measurement point data after conversion after obtaining changing, and concrete processing procedure comprises carries out this locality storage to measurement point data after described conversion.
As shown in Figure 3, microprocessor 100 also comprises store and carry out the local storer 800 stored to measurement point data after described conversion, such as SD card, microprocessor 100 will be stored in storer 800 measurement point data after described conversion to preserve.
The invention provides a kind of data recording equipment, this device adopts microprocessor to replace traditional single-chip microcomputer, because microprocessor is reserved with the slot of growth data capture card, so when the acquisition channel quantity of a data collecting card is inadequate, a data collecting card can be increased again on reserved slot, increase acquisition channel quantity with this, the measurement point due to the components and parts on railway locomotive is general all more than 16, therefore at least needs two data collecting cards in this device.
Microprocessor is the central processing unit of a slice or several large scale integrated circuit compositions, because himself encapsulation characteristic determines that it can carry out work under ultimate temperature, therefore, it is possible to be applicable to railway locomotive test process under circumstances, and microprocessor has higher processing speed and larger memory headroom, so have data processing speed and can storing Large Volume Data faster.
As shown in Figure 3, data recording equipment provided by the invention also comprises the guide rail 900 for fixed data pen recorder, volume after the actual production of this device is 300mm × 100mm × 100mm, and structure is simple, volume is little, can conveniently install additional is placed on rolling stock, when the quantity of data collecting card is two, when each data collecting card has 8 passages, can measure simultaneously and record the data of 2 × 8 points, when specifically using, PT100 type thermopair can be adopted as temperature-measuring element, can directly contact with measured point, thermometric is accurate, temperature-measuring range-200-800 DEG C, measuring accuracy reaches 0.1 DEG C.
As shown in Figure 3, data record provided by the invention also comprises the host computer 500 be connected with described microprocessor, and described microprocessor 100 comprises TCP server and ftp server; Transmission Control Protocol is adopted to transmit between described microprocessor and described host computer; Described microprocessor downloads described historical data by File Transfer Protocol.
As shown in Figure 3, conveniently microprocessor 100 is connected with other modules, microprocessor 100 comprises communication interface 101, and concrete has serial ports, Ethernet interface and/or USB interface, and when concrete use, serial ports can be RS232 serial ports.
Conveniently technician checks the rear measurement point data of conversion, this device adds host computer 500, described host computer is connected with described microprocessor by Ethernet interface, microprocessor 100 is after the rear measurement point data of acquisition conversion, after changing, measurement point real-time data transmission is to host computer, in order to transmit the rear measurement point data of conversion faster, between microprocessor 100 and host computer 500, Transmission Control Protocol is adopted to transmit.After measurement point data after conversion are carried out this locality storage by microprocessor 100, after terminating a measuring period of components and parts to be measured, after changing, measurement point data are just historical data, in order to the working condition analyzing element under test needs downloads historical data, owing to carrying out data record to hyperchannel for a long time, the capacity of historical data is very large, in order to quick-downloading historical data, adopts File Transfer Protocol to download the historical data on microprocessor 100.After historical data is downloaded, in order to make other components and parts to be measured have data space, can delete having tested historical data.
Historical data after download is sent to host computer 500 by Transmission Control Protocol, analyzed by host computer 500 pairs of historical datas, and historical data and the data after analyzing are shown, check that whether historical data is normal for technician, if abnormal, overhaul plan is carried out to components and parts to be measured, again components and parts to be measured are tested after process, and utilize notebook data pen recorder again to record and analysis of history data, until the historical data of components and parts to be measured is normal.
As shown in Figure 3, conveniently technician's viewing test data while test, this device also comprises the display module 600 be connected with described microprocessor, for showing measurement point data after described conversion in real time; Described display module 600 utilizes data line to be connected with described microprocessor 100 by USB interface, so as technician test while check described conversion after measurement point data whether normal.
As shown in Figure 3, in order to microprocessor 100 normally works, need for microprocessor 100 provides power supply, so this device also comprises the conversion electric power 700 be connected with described microprocessor, for supply voltage being converted to the required voltage of described microprocessor and described components and parts to be measured.Concrete, by the 24V that the Power convert of 220V uses for microprocessor.
Conversion electric power 700 comprises transformer, and the primary coil of transformer connects 220V voltage, and secondary coil connects microprocessor 100, by arranging the parameter of transformer, makes transformer be the voltage of 24V by the voltage transitions of 220V.Conversion electric power 700 can also be powered to components and parts 400 to be measured, but needs to provide different voltage for difference components and parts to be measured 400.
Be illustrated in figure 4 another structural drawing of this device, this device is used for measuring the temperature of components and parts to be measured.
Introduce the specific implementation process of this device below in detail:
(1) software runtime environment introduction: the operating system of this device microprocessor 100 is XPE (Windows XP Embedded) system, this makes software development form more flexible, XPE can run .exe program, like this by system application that different language is developed, as long as generate .exe program, just can run on this system.
(2) implementation procedure of data acquisition: first according to the function in header file .h file corresponding to data collecting card Driver Library .dll, write the functional block program obtaining test data from data collecting card 200, then by deposit data in array, the function of other functional blocks can from this array the real time data of read test data.
(3) implementation procedure of data record: obtain the current time of system, generating with time is the .txt formatted file of filename, the value had in the array of test data is written in this file, and is stored in local disk by file every 1s.During in order to prevent documentation time long, file likely damages, and this functional block has done a condition judgment, waits file record more than 2 hours, regenerates one with the file of current time name, continues record data.
(4) implementation procedure of real-time Data Transmission: editor's TCP server, set IP and port, the function of this TCP server is mainly: real-time sense has connected the client of this device, and after communication success, test data is sent to long-range TCP client by TCP server in real time.These data can be stored or show in real time, also can draw test data curve by Terminal Server Client.
(5) implementation procedure of history data file download and deletion: install ftp server in data recording equipment XPE system, add an addressable file of long-range ftp client, the i.e. file of deposit data, input name in an account book and password that when Terminal Server Client logs in, needs are used are set, connect normal at netting twine, after communication is normal, log in the deposit data file of access test data pen recorder by ftp client program, user can download and delete the history data file deposited.
(6) mode of running software: due to test data pen recorder operationally, without the need to man-machine interaction, software just must bring into operation after the start that powers on, so the application software of test data pen recorder will be added in starting up's item, guarantee the normal of whole test data recording process.
The key point of notebook data pen recorder is the expansion being realized test data collection port number by the expansion of capture card; Utilize microprocessor storage space to expand, realize the data massive store of test data pen recorder; Microprocessor can work at low ambient temperatures, ensure that when there is low temperature environment in railway locomotive operational process, data recording equipment can also normally work; The quick-downloading of data and real-time Transmission is realized by giving operating system installation ftp server and TCP server.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, between each embodiment same or similar part mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a data recording equipment, is characterized in that, comprising:
Microprocessor, at least two data collecting cards and acquisition module;
Multiple sampler in described acquisition module is connected with multiple measurement point one_to_one corresponding of components and parts to be measured, for measuring the data of described multiple measurement point;
Each data collecting card of described at least two data collecting cards has multiple passage, one end of each passage is connected with described microprocessor, the other end is connected with the sampler in acquisition module, measurement point data after conversion for gathering and changing the data of described multiple measurement point, and are sent to described microprocessor by described data collecting card;
Described microprocessor is used for processing measurement point data after described conversion.
2. device as claimed in claim 1, it is characterized in that, the sampler in described acquisition module comprises:
Thermopair, voltage sensor, current sensor and/or Boolean value output sensor;
Described thermopair, for gathering the resistance of measurement point, is sent to described microprocessor after the resistance of described measurement point being converted to the temperature of measurement point;
Described voltage sensor, for gathering the voltage signal of measurement point, is sent to described microprocessor after the voltage signal of described measurement point being converted to the voltage of measurement point;
Described current sensor, for gathering the current signal of measurement point, is sent to described microprocessor after the current signal of described measurement point being converted to the electric current of measurement point;
Described Boolean value output sensor, for gathering the switching signal of measurement point, is sent to described microprocessor after the switching signal of described measurement point being converted to the switching value of measurement point.
3. device as claimed in claim 1, is characterized in that, described microprocessor is used for comprising the process that measurement point data after described conversion process:
Carry out this locality to measurement point data after described conversion to store;
Measurement point data after described conversion are carried out real-time Transmission.
4. device as claimed in claim 3, is characterized in that, also comprise the host computer be connected with described microprocessor, for measurement point data after the real-time reception also described conversion of display in real time.
5. device as claimed in claim 4, is characterized in that, described microprocessor is used for processing measurement point data after described conversion specifically comprising:
Download the local historical data stored, and described historical data is sent to described host computer;
Described host computer is specifically for showing and analyzing described historical data.
6. device as claimed in claim 5, it is characterized in that, described microprocessor comprises TCP/IP server and ftp server;
Transmission Control Protocol is adopted to transmit between described microprocessor and described host computer;
Described microprocessor downloads described historical data by File Transfer Protocol.
7. device as claimed in claim 5, is characterized in that, also comprise:
The display module be connected with described microprocessor, for showing measurement point data after described conversion in real time;
The conversion electric power be connected with described microprocessor, for being converted to the required voltage of described microprocessor and described components and parts to be measured by supply voltage.
8. device as claimed in claim 7, it is characterized in that, described microprocessor comprises communication interface.
9. device as claimed in claim 7, it is characterized in that, described communication interface comprises serial ports, Ethernet interface and/or USB interface;
Described display module utilizes data line to be connected with described microprocessor by USB interface;
Described host computer is connected with described microprocessor by Ethernet interface.
10. device as claimed in claim 1, it is characterized in that, each data collecting card has 8 passages;
Described microprocessor also comprises the storer storing measurement point data after described conversion.
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| CN201410620020.9A CN104280054A (en) | 2014-11-06 | 2014-11-06 | Data recording device |
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| CN201410620020.9A CN104280054A (en) | 2014-11-06 | 2014-11-06 | Data recording device |
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Cited By (1)
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| CN116337491A (en) * | 2023-05-29 | 2023-06-27 | 眉山中车制动科技股份有限公司 | Train test bed data acquisition system and data acquisition method |
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