CN102248254B - Data processing system and method - Google Patents
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- CN102248254B CN102248254B CN201110129714.9A CN201110129714A CN102248254B CN 102248254 B CN102248254 B CN 102248254B CN 201110129714 A CN201110129714 A CN 201110129714A CN 102248254 B CN102248254 B CN 102248254B
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Abstract
The invention discloses a data processing system which is used for analyzing a welding arc according to acquired data. The data processing system comprises a voltage sensor, a current sensor, an analog/digital (A/D) acquisition card, an image acquiring and processing device and a processor, wherein the voltage sensor is used for acquiring an analog voltage signal and outputting the analog voltage signal; the output end of the voltage sensor is connected with a first input end of the A/D acquisition card; the current sensor is used for acquiring an analog current signal and outputting the analog current signal; the output end of the current sensor is connected with a second input end of the A/D acquisition card; the A/D acquisition card is used for converting the received analog voltage signal and analog current signal into digital signals and outputting the digital signals to the processor; the first output end of the A/D acquisition card is connected with the first input end of the processor; the image acquiring and processing device is used for acquiring an image, converting the acquired image into digital image information and then outputting the digital image information to the processor; the output end of the image acquiring and processing device is connected with the second input end of the processor; and the processor is used for analyzing and processing the received information. The invention also discloses a data processing method.
Description
Technical field
The present invention relates to electricity and the communications field, particularly a kind of data handling system and data processing method.
Background technology
Along with the development of producing, the progress of technology, people have all proposed more and more higher requirement to performance, quality and the material of welding.And no matter be the control to welding process, or performance, quality and the quality to welding material of welding are assessed, all need to obtain the relevant information in welding process.Wherein, welding arc information content is larger, and the most important, if the electric arc that can obtain in welding process is analyzed, can carry out respective handling or improvement to welding system according to analytical structure, for example can be by the processing performance directly related with electrical quantity in analysis and research welding process, as interim form, splash size, arc stability etc., thereby can improve welding system targetedly, improve preferably welding efficiency.And in prior art, do not have this analytical system and analytic process.
Summary of the invention
The embodiment of the present invention provides a kind of data handling system and data processing method, for realizing the analysis to welding arc according to the data of obtaining, thereby can analyze the processing performance in welding process, assessment welding quality, thus improve welding efficiency.
A kind of data handling system, comprising:
Voltage sensor, current sensor, analog digital A/D capture card, image acquisition process device, processor, isochronous controller and transistor-transistor logic level TTL flip flop equipment; Wherein
Described voltage sensor, for gathering analog voltage signal output, its output is connected with the first input end of described AD capture card;
Described current sensor, for gathering analog current signal output, its output is connected with the second input of described AD capture card;
Described analog digital A/D capture card, exports to described processor for the analog voltage signal of reception and analog current signal are converted to data signal, and its first output is connected with the first input end of described processor;
Described image acquisition process device is exported to described processor after obtaining image and being converted to digital image information, and its output is connected with the second input of described processor;
Described processor, for carrying out analyzing and processing to the information receiving;
Described isochronous controller is synchronous for the data signal of described AD capture card collection is realized, its first input end is connected with the second output of described AD capture card, the second input is connected with the first output of described TTL flip flop equipment, and output is connected with described processor;
The first output of described TTL flip flop equipment is connected with the second input of described isochronous controller, the second output is connected with the second input of image pick-up card, input is connected with the second output of described processor, for to described isochronous controller transmitted signal;
Described isochronous controller, also in the time that the signal of determining the described TTL flip flop equipment transmission receiving is significant level signal, makes the AD data signal that described isochronous controller reads from described AD capture card realize synchronous.
A kind of data processing method, comprises the following steps:
The analog voltage signal of collection is transferred to AD capture card by voltage sensor, and the analog current signal of collection is transferred to described AD capture card by current sensor;
The analog voltage signal of reception is converted to digital voltage signal by described AD capture card, and the analog current signal of reception is converted to digital current signal;
Isochronous controller reads digital voltage signal and the digital current signal after conversion after the significant level signal that receives the transmission of TTL flip flop equipment from described AD capture card;
Described isochronous controller is sent into processor after the signal reading is carried out synchronously;
Image acquisition process device is exported to described processor after the image obtaining is converted to digital image information;
Described processor carries out analyzing and processing to the information receiving.
Data handling system in the embodiment of the present invention comprises: voltage sensor, current sensor, analog digital A/D capture card, image acquisition process device and processor; Wherein, described voltage sensor, for gathering analog voltage signal output, its output is connected with the first input end of described AD capture card; Described current sensor, for gathering analog current signal output, its output is connected with the second input of described AD capture card; Described analog digital A/D capture card, exports to described processor for the analog voltage signal of reception and analog current signal are converted to data signal, and its first output is connected with the first input end of described processor; Described image acquisition process device, for obtaining, image is changed and into exporting to described processor after digital image information, its output is connected with the second input of described processor; Described processor, for carrying out analyzing and processing to the information receiving.By connecting voltage sensor and current sensor, can gather the voltage signal in welding process and current signal, by connecting image acquisition treating apparatus, can obtain the image in welding process, thereby can carry out statistical analysis to parameters such as arc voltage, welding current and arc times according to obtaining signal, with assessment welding quality, thereby improve welding efficiency.
Brief description of the drawings
Fig. 1 is the primary structure figure of data handling system in the embodiment of the present invention;
Fig. 2 is the detailed structure view of data handling system after access control device and interface arrangement in the embodiment of the present invention;
Fig. 3 is the detailed structure view of data handling system in the embodiment of the present invention;
Fig. 4 is the main flow chart of data processing method in the embodiment of the present invention.
Detailed description of the invention
Data handling system in the embodiment of the present invention comprises: voltage sensor, current sensor, analog digital A/D capture card, image acquisition process device and processor; Wherein, described voltage sensor, for gathering analog voltage signal output, its output is connected with the first input end of described AD capture card; Described current sensor, for gathering analog current signal output, its output is connected with the second input of described AD capture card; Described analog digital A/D capture card, exports to described processor for the analog voltage signal of reception and analog current signal are converted to data signal, and its first output is connected with the first input end of described processor; Described image acquisition process device, for obtaining, image is changed and into exporting to described processor after digital image information, its output is connected with the second input of described processor; Described processor, for carrying out analyzing and processing to the information receiving.By connecting voltage sensor and current sensor, can gather the voltage signal in welding process and current signal, by connecting image acquisition treating apparatus, can obtain the image in welding process, thereby can carry out statistical analysis to parameters such as arc voltage, welding current and arc times according to obtaining signal, with assessment welding quality, thereby improve welding efficiency.
Referring to Fig. 1, in the embodiment of the present invention, data handling system comprises voltage sensor 101, current sensor 102, AD (analog digital) capture card 103, image acquisition process device 104 and processor 105.
Referring to Fig. 2, in the embodiment of the present invention, data handling system also comprises interface arrangement 106 and control device 107.Wherein, image acquisition process device 104 comprises acquiring unit 1041 and image pick-up card 1042.
Voltage sensor 101 is for gathering analog voltage signal output.The output of voltage sensor 101 is connected with the first input end of AD capture card 103.In welding process, voltage sensor 101 can gather arc voltage signal, can between soldering turret and test plate (panel), gather arc voltage signal by voltage sensor 101, and the arc voltage signal of collection is transferred to AD capture card 103.Wherein, voltage sensor 101 can Real-time Collection and transmission, or also can after being triggered, gather and transmit, and for example, can gather and transmit receiving after the message that AD capture card 103 sends.What voltage sensor 101 gathered and be transferred to AD capture card 103 is all analog voltage signals.Wherein, voltage sensor 101 can be connected with AD capture card 103 by holding wire.
Current sensor 102 is for gathering analog current signal output.The output of current sensor 102 is connected with the second input of AD capture card 103.In welding process, current sensor 102 can gather welding current signal, can from welding circuit, gather welding current signal by current sensor 102, and the welding current signal of collection is transferred to AD capture card 103.Wherein, current sensor 102 can Real-time Collection and transmission, or also can after being triggered, gather and transmit, and for example, can gather and transmit receiving after the message that AD capture card 103 sends.What current sensor 102 gathered and be transferred to AD capture card 103 is all analog current signals.Wherein, current sensor 102 can be connected with AD capture card 103 by holding wire.
AD capture card 103 is exported to processor 105 for the analog voltage signal of reception and analog current signal are converted to data signal.The first output of AD capture card 103 is connected with the first input end of processor 105.AD capture card 103 is for being converted to digital voltage signal by the analog voltage signal obtaining from voltage sensor 101, and the analog current signal obtaining is converted to digital current signal, and digital voltage signal or digital current signal after conversion are transferred to processor 105 from current sensor 102.Wherein, AD capture card 103 can be by the data signal real-time Transmission after conversion to processor 105, or also can first the data signal after conversion be stored, after being triggered, be transferred to processor 105, or also can after being triggered, carry out signal conversion transmission.For example, trigger condition can be that AD capture card 103 is received the message that processor 105 or control device 107 send by processor 105.
Image acquisition process device 104 is exported to processor 105 after obtaining image and being converted to digital image information, and its output is connected with the second input of processor 105.Wherein, image acquisition process device 104 comprises acquiring unit 1041 and image pick-up card 1042.
Acquiring unit 1041 is for obtaining image.The output of acquiring unit 1041 is connected with the first input end of image pick-up card 1042.Acquiring unit 1041 can be obtained pictorial information or the video information (pictorial information or video information are all called image information) in welding process, preferably, acquisition device 101 can carry out whole process shooting to whole welding process in the time that welding process starts, to obtain the image information compared with horn of plenty, thereby being convenient to the later stage analyzes welding process.Acquiring unit 1041 can be the device that camera, video camera or other have image-acquisition functions.Acquiring unit 1041 by the image transmission obtaining to image pick-up card 1042.The image information that acquiring unit 1041 is obtained is analog information.Wherein, acquiring unit 1041 can be by the image information real-time Transmission obtaining to image pick-up card 1042, or also can be after being triggered by the image transmission obtaining to image pick-up card 1042, for example, trigger condition can be that acquiring unit 1041 is received the message that image pick-up card 1042 or control device 107 send by processor 105.
Image pick-up card 1042 is for being converted to the image obtaining digital image information and exporting to described processor.The output of image pick-up card 1042 is connected with the second input of processor 105.Image pick-up card 1042 is interfaces of IMAQ part and image processing section.Image is sampled, is quantized through image pick-up card 1042, is converted to digital image information and stores.Because the transmission of picture signal needs very high transmission speed, general coffret can not meet the demands, and therefore needs image pick-up card 1042.The digital image information obtaining after conversion is transferred to processor 105 by image pick-up card 1042, wherein, image pick-up card 1042 can be by digital image information real-time Transmission to processor 105, or can digital image information be transferred to processor 105 after being triggered, or can after being triggered, from acquiring unit 1041, receive image conversion, the digital image information obtaining after conversion is transferred to processor 105.For example, a kind of trigger condition can be that image pick-up card 1042 is received the message that processor 105 or control device 107 send by processor 105.
Processor 105 is for carrying out analyzing and processing to the information receiving.Wherein, the information that processor 105 receives can comprise digital current signal, digital current signal and digital image information.Processor 105 can be stored the information of reception.Processor 105 can be the CPU (central processing unit) in computer, can be also the processor of other type, such as microprocessor etc.For example, processor 105 can be by obtaining arc voltage probability density distribution to the analysis of the digital voltage information receiving, by the analysis of the digital current information receiving is obtained to welding current probability density distribution, can also be by the digital voltage signal receiving, digital current signal and digital image information are analyzed the instantaneous value of arc voltage (uS (t)), to obtain short circuit duration (T1), arc time (T2), the weighting arc time (T3), the parameters such as transient period (TC), and can statistical separate out uS (t), iS (t), T1, T2, T3, the mean value of TC, standard deviation, the coefficient of variation, maximum probability density, maximum probability group, maximum, the data that minimum of a value etc. are required, thereby can carry out welding quality assessment.Wherein, processor 105 can timing carry out analyzing and processing to receiving also canned data, or can be also, after being triggered, canned data is carried out to analyzing and processing, and for example, a kind of trigger condition is that processor 105 receives the message that control device 107 sends.
Interface arrangement 106 is for offering user by the analysis result of processor 105.Interface arrangement 106 is connected with the first output of processor 105.Interface arrangement 106 can be human-computer interaction device, and for example, interface arrangement 106 can be the display screen of computer, can be maybe the device with Presentation Function that is connected to processor 105 and control device 107.After processor 105 is disposed to data, control module 107 can send message to processor 105, with notification processor 105, the analysis result obtaining is outputed to interface arrangement 106 to offer user, or can be also automatically the analysis result obtaining to be outputed to interface arrangement 106 after processor 105 is disposed to data.
Control device 107 is analyzed the information receiving for control processor 105.The output of control device 107 is connected with processor 105.Control device 107 can be arranged in processor 105, or can be positioned at outside processor 105.For example, if processor 105 is the CPU in computer, control module 107 can be the software application being installed in this computer.When processor 105 receives after information, control module 107 can be analyzed the information receiving by control processor 105, and for example, control module 107 can be carried out analyzing and processing to which partial information receiving by sending message informing processor 105.For example, control module 107 can send message, notification processor 105 is analyzed the digital voltage signal receiving, to obtain the probability density distribution figure of arc voltage, or can send message, notification processor 105 is analyzed the image information receiving, to obtain arc time chart of frequency distribution, weighting arc time chart of frequency distribution etc.Control device 107 is also for carrying out parameter setting to AD capture card 103, acquiring unit 1041 and image pick-up card 1042.Wherein, when control device 107 arranges AD capture card 103, acquiring unit 1041 and image pick-up card 1042, all can send message is set by processor 105.For example, control device 107 can initialize AD capture card 103, and the parameters such as the voltage ratio, current ratio, frequency acquisition of AD capture card 103 are set; Control device 107 can initialize acquiring unit 1041, and the parameters such as the trigger mode, exposure mode, exposure value, yield value, phase unit frequency of acquiring unit 1041 are set; Control device 107 can initialize image pick-up card 1042, and the parameters such as the coordinate, exposure value, frame per second of image pick-up card 1042 are set.Control device 107 can also be by arranging to processor 105 size that control interface device 106 shows image.
Referring to Fig. 3, described data handling system also comprises isochronous controller 109 and TTL flip flop equipment 110.
Isochronous controller 109 is realized synchronous for the data signal that makes AD capture card 103 and gather.The first input end of isochronous controller 109 is connected with the second output of AD capture card 103, and the second input is connected with the first output of TTL flip flop equipment 110, and output is connected with processor 105.Isochronous controller 109 can received after TTL flip flop equipment 110 transmitted signals, can first judge whether this signal is significant level signal, if determine that this signal is significant level signal, from AD capture card 103, read the data signal of collection, the data signal reading is carried out to Synchronization Control, and by synchronous digital data transmission after treatment to processor 105.Control device 107 can also arrange isochronous controller 109 by processor 105, for example, the parameters such as the port numbers of isochronous controller 109 can be set.Isochronous controller 109 can be connected by string line with processor 105.Wherein, isochronous controller 109 can be from AD capture card 103, read digital voltage signal and the digital current signal after conversion or also can after being triggered, from AD capture card 103, read digital voltage signal and the digital current signal after conversion in real time, for example, a kind of triggering mode can be that isochronous controller 109 is received the significant level signal that TTL flip flop equipment 110 sends.
TTL (transistor-transistor logic level) flip flop equipment 110 is for to isochronous controller 109 or image pick-up card 1042 transmitted signals.The first output of TTL flip flop equipment 110 connects the second input of isochronous controller 109, and the second output connects the second input of image pick-up card 1042, and input is connected with the second output of processor 105.TTL flip flop equipment 110 is receiving after the useful signal that processor 105 sends, can be to image pick-up card 1042 transmitted signals, as the triggering signal of image pick-up card 1042, image pick-up card 1042 can received after the signal that TTL flip flop equipment 110 sends, can first judge whether this signal is significant level signal, if determine that this signal is significant level signal, image pick-up card 1042 by gather image transmission to processor 105, or image pick-up card 1042 carries out image information collecting in the time determining that signal that the TTL flip flop equipment 110 that receives sends is significant level signal, and by the image transmission collecting to processor 105.Or TTL flip flop equipment 110 is receiving after the useful signal that processor 105 sends, can send significant level signal to isochronous controller 109, the signal that isochronous controller 109 can send at definite TTL flip flop equipment 110 of receiving reads the data signal of collection from AD capture card 103 while being significant level signal, the data signal reading is carried out to Synchronization Control, and by synchronous digital data transmission after treatment to processor 105.For example, TTL flip flop equipment 110 can send significant level signal to image pick-up card 1042 determining by the different significant level signals of receiving in the time receiving which kind of significant level signal, in the time receiving which kind of significant level signal, sends significant level signal to isochronous controller 109.Or TTL flip flop equipment 110 also can all send significant level signal to image pick-up card 1042 and isochronous controller 109 in the time receiving any significant level signal.
Introduce below the method for data processing by idiographic flow.
Referring to Fig. 4, in the embodiment of the present invention, the main method flow process of data processing is as follows:
Step 401: the analog voltage signal of collection is transferred to AD capture card 103 by voltage sensor 101, and the analog current signal of collection is transferred to described AD capture card 103 by current sensor 102.
Step 402: the analog voltage signal of reception is converted to digital voltage signal by described AD capture card 103, and the analog current signal of reception is converted to digital current signal.
Step 403: described AD capture card 103 is sent digital voltage signal and digital current signal after conversion into described processor 105.
Step 404: image acquisition process device 104 is exported to described processor after the image obtaining is converted to digital image information.Wherein, step 401-403 and step 404 order between the two can be any.
Step 405: described processor 105 carries out analyzing and processing to the information receiving.
In the embodiment of the present invention, the method detailed flow process of data processing is as follows:
The analog voltage signal of collection is transferred to AD capture card 103 by voltage sensor 101, and the analog current signal of collection is transferred to described AD capture card 103 by current sensor 102.The analog voltage signal of reception is converted to digital voltage signal by AD capture card 103, and the analog current signal of reception is converted to digital current signal.Acquiring unit 1041 by the image transmission obtaining to image pick-up card 1042, the image of reception is converted to digital image information by image pick-up card 1042, and digital image information is transferred to processor 106, processor 106 carries out analyzing and processing to the information receiving under the control of control device 107.Image pick-up card 1042 can be also image information to be gathered receiving after the significant level signal that TTL flip flop equipment 110 sends.Wherein, to obtaining of analog voltage signal, analog current signal and image information, can synchronously obtain also and can asynchronously obtain.
Data handling system in the embodiment of the present invention comprises: voltage sensor 101, current sensor 102, analog digital A/D capture card 103, image acquisition process device 104 and processor 105; Wherein, described voltage sensor 101, for gathering analog voltage signal output, its output is connected with the first input end of described AD capture card 103; Described current sensor 102, for gathering analog current signal output, its output is connected with the second input of described AD capture card 103; Described analog digital A/D capture card 103, exports to described processor 105 for the analog voltage signal of reception and analog current signal are converted to data signal, and its first output is connected with the first input end of described processor 105; Described image acquisition process device 104, for obtaining, image is changed and into exporting to described processor 105 after digital image information, its output is connected with the second input of described processor 105; Described processor 105, for carrying out analyzing and processing to the information receiving.By connecting voltage sensor 101 and current sensor 102, can gather the analog voltage signal in welding process and analog current signal, be converted into data signal by AD capture card 103.Simultaneously, by connecting acquiring unit 1041 and image capture module 105, can in welding process, take pictures or make a video recording, to record whole welding process, and can control the data analysis processing procedure of processor 106 by control module 107, can control processor 104 be analyzed by which information, to obtain required analysis data message, be convenient to the arc voltage in welding process, welding current and image information are analyzed, obtain arc voltage probability density distribution, welding current probability density distribution, short circuit duration frequency distributes, arc time frequency distributes, the analysis processing result such as transient period frequency distribution, to assess welding quality by result, thereby raising welding efficiency.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (9)
1. a data handling system, is characterized in that, comprising:
Voltage sensor, current sensor, analog digital A/D capture card, image acquisition process device, processor, isochronous controller and transistor-transistor logic level TTL flip flop equipment; Wherein
Described voltage sensor, for gathering analog voltage signal output, its output is connected with the first input end of described AD capture card;
Described current sensor, for gathering analog current signal output, its output is connected with the second input of described AD capture card;
Described analog digital A/D capture card, exports to described processor for the analog voltage signal of reception and analog current signal are converted to data signal, and its first output is connected with the first input end of described processor;
Described image acquisition process device is exported to described processor after obtaining image and being converted to digital image information, and its output is connected with the second input of described processor;
Described processor, for carrying out analyzing and processing to the information receiving;
Described isochronous controller is synchronous for the data signal of described AD capture card collection is realized, its first input end is connected with the second output of described AD capture card, the second input is connected with the first output of described TTL flip flop equipment, and output is connected with described processor;
The first output of described TTL flip flop equipment is connected with the second input of described isochronous controller, the second output is connected with the second input of image pick-up card, input is connected with the second output of described processor, for to described isochronous controller transmitted signal;
Described isochronous controller, also in the time that the signal of determining the described TTL flip flop equipment transmission receiving is significant level signal, makes the AD data signal that described isochronous controller reads from described AD capture card realize synchronous.
2. data handling system as claimed in claim 1, is characterized in that, also comprises: control device, be connected with described processor, and for control processor, the information receiving is carried out to analyzing and processing.
3. data handling system as claimed in claim 2, is characterized in that, described control device is also for carrying out parameter setting by described processor to described AD capture card.
4. data handling system as claimed in claim 1, is characterized in that, also comprises: interface arrangement, be connected with the first output of processor, and offer user for the analysis result that receives described processor.
5. data handling system as claimed in claim 4, is characterized in that, described interface arrangement is display screen.
6. data handling system as claimed in claim 1, is characterized in that, described processor is central processor CPU or microprocessor.
7. a data processing method, is characterized in that, comprises the following steps:
The analog voltage signal of collection is transferred to AD capture card by voltage sensor, and the analog current signal of collection is transferred to described AD capture card by current sensor;
The analog voltage signal of reception is converted to digital voltage signal by described AD capture card, and the analog current signal of reception is converted to digital current signal;
Isochronous controller reads digital voltage signal and the digital current signal after conversion after the significant level signal that receives the transmission of TTL flip flop equipment from described AD capture card;
Described isochronous controller is sent into processor after the signal reading is carried out synchronously;
Image acquisition process device is exported to described processor after the image obtaining is converted to digital image information;
Described processor carries out analyzing and processing to the information receiving.
8. method as claimed in claim 7, is characterized in that, described image acquisition process device also comprises acquiring unit and image pick-up card; Wherein, the output of acquiring unit and the first input end of described image pick-up card in described image acquisition process device are connected, and the output of described image pick-up card is connected with the second input of described processor;
Image acquisition process device comprises the step of obtaining being converted to of image and export to after digital image information described processor: described acquiring unit by the image transmitting obtaining to described image pick-up card, the image of reception is converted to digital image information by described image pick-up card, and described digital image information is transferred to described processor.
9. method as claimed in claim 8, it is characterized in that, the step that the image information that described IMAQ card docking is received gathers comprises: described IMAQ gathers the image information receiving after being stuck in the significant level signal that receives the transmission of TTL flip flop equipment.
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| CN101801115A (en) * | 2009-12-30 | 2010-08-11 | 上海工业自动化仪表研究院 | Steel pipe welding data collecting and processing system based on wireless sensor network |
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