CN103869261A - Power supply with analysis function - Google Patents
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- CN103869261A CN103869261A CN201210537366.3A CN201210537366A CN103869261A CN 103869261 A CN103869261 A CN 103869261A CN 201210537366 A CN201210537366 A CN 201210537366A CN 103869261 A CN103869261 A CN 103869261A
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Abstract
The embodiment of the invention provides a power supply with an analysis function. The power supply comprises an analysis device; the analysis device comprises an acquisition unit for acquiring historical data of the power supply output state, an analysis unit, and a display unit, wherein the historical data comprise at least one selected from voltage, current and power; the analysis unit is used for carrying out analysis on the historical data of the output state to obtain an analysis result; and the display unit is used for displaying the analysis result. According to the embodiment of the invention, a through of single machine self analysis function is provided, the single machine can be used as a user for carrying out historical output state analysis, the user can know various statistical characteristics of the historical output state in a certain period of time with no need of participation of an upper computer, and voltage, current and power characteristics in interested time period can be extracted.
Description
Technical field
The present invention relates to universal electric and measure field tests, relate to particularly a kind of power supply with analytic function.
Background technology
When direct current linear power supply is load supplying, can also obtain by feedback voltage, electric current and the power situation of the actual acquisition of load, and on interface, be shown to user.Conventional power source can be in the time that output be opened, and shows the voltage and current of current actual output, and digital power also can show current output power simultaneously.But because screen is limited, on screen, conventionally only show voltage, electric current and the power of current time, cannot show the output state of historical juncture.Waveform display mode is provided on some power supply, can have shown in real time the variation tendency of voltage, electric current and power in a period of time.But after screen display is full, will from the beginning directly cover original content, namely also can only show at most the historical output state of a screen length.User cannot accurately obtain the electric power thus supplied of certain section of time internal burden.
For obtaining the output state of the whole duration of work of power supply, and analyze the abnormal conditions that occur in certain period, such as voltage reduces suddenly, power becomes suddenly large etc. bursty state, current common way is to utilize remote interface to carry out the feedback of output or the load of Real-time Collection power supply, the content gathering is preserved on computers, then make upper computer analyzing software, analyze the feature of voltage, electric current and power in the interested time period.
Inventor finds realizing in process of the present invention, and the deficiencies in the prior art at least comprise:
Show the variation tendency of output state by waveform mode, cannot obtain the power consumption situation of long-time internal burden in Power supply process, and this mode only can represent variation tendency by the form of waveform, cannot obtain clear and definite historical output state, such as concrete voltage, electric current or the power of output sometime.
Utilize host computer to carry out analysis of history data, need that extra equipment---PC realizes, also do not find on market, to possess the power supply of unit from analytic function at present.
Summary of the invention
The object of the invention is to, a kind of power supply with analytic function is provided, so that realize unit from analytic function, allow user not need the participation of host computer can understand the various statistical natures of historical output state.
For reaching above-mentioned purpose, the embodiment of the present invention provides a kind of power supply with analytic function, and described power supply comprises: analytical equipment, and described analytical equipment comprises:
Acquiring unit, for obtaining the historical data of output state of power supply; Described historical data comprises at least one in voltage, electric current, power;
Analytic unit, analyzes for the historical data to described output state, obtains analysis result;
Display unit, for showing described analysis result.
The useful technique effect of technique scheme of the present invention is:
The embodiment of the present invention has proposed the thinking of unit from analytic function, can unit be the analysis that user carries out historical output state, these historical output states can be the voltage and currents of the load feedback that gathers of user, can be also the Output rusults that power supply itself gathers.As long as the form that user file conforms with the regulations, can utilize analytical equipment to carry out the analysis of statistical parameter.The embodiment of the present invention can allow user not need the participation of host computer can understand the various statistical natures of historical output state in certain period, thereby extracts voltage, electric current and the power features in the interested time period.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, introduce simply the accompanying drawing of required use in embodiment or description of the Prior Art being done to one below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the simplest functional block diagram of the analytical equipment of the embodiment of the present invention;
Fig. 2 is the simplest realization flow figure of the analytical equipment of the embodiment of the present invention;
Fig. 3 is the practical function block diagram of the analytical equipment after the embodiment of the present invention is improved;
Fig. 4 is the realization flow figure of the analytical equipment after the embodiment of the present invention is improved;
Fig. 5 is the schematic diagram of embodiment of the present invention Si road file layout;
Fig. 6 is four kinds of schematic diagram that file layout is given an example of the embodiment of the present invention;
Fig. 7 is the increase setting unit of the embodiment of the present invention and the analytical equipment functional block diagram of authentication unit;
Fig. 8 is the analytical equipment checking process flow diagram of the embodiment of the present invention;
Fig. 9 is the menu structure of the analytical equipment of the embodiment of the present invention;
Figure 10 is the main interface of the analytical equipment of the embodiment of the present invention;
Figure 11 is the storage administration interface of the embodiment of the present invention;
Figure 12 is the waveform display interface of the embodiment of the present invention;
Figure 13 is the form display interface of the embodiment of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
For solving the problems of the prior art, the embodiment of the present invention has proposed the thinking of unit from analytic function, can unit be the analysis that user carries out historical output state, these historical output states can be the voltage and currents of the load feedback that gathers of user, can be also the Output rusults that power supply itself gathers.As long as the form that user file conforms with the regulations, can utilize analytical equipment to carry out the analysis of statistical parameter.The embodiment of the present invention can allow user not need the participation of host computer can understand the various statistical natures of output state historical data in certain period, thereby extracts voltage, electric current and the power features in the interested time period.
The embodiment of the present invention has been added an analytical equipment in instrument (power supply) inside, and it can be analyzed historical data, calculates the statistical parameter of historical data, and shows by the form of figure or form.Because being is built in instrument internal, so without the analysis that can complete the statistical nature of voltage, electric current and power by host computer procedure.This analytical equipment comprises a data capture unit, for reading history data file; An analytic unit, for calculating various statistical parameters according to the data that read, these statistical parameters comprise maximal value, minimum value, average, variance, mode, middle number, range, mean difference etc.; And a display unit, for showing historical data and analysis result.In a preferred embodiment, also comprise a setting unit, for various parameters are set, these parameters comprise analytic target, display format, current time, initial time, termination time etc.
Want Realization analysis apparatus function, first need historical data to be input in instrument, then the historical data that could input into these is carried out the calculating of various statistical natures, and must being shown to user, result of calculation sees, so the analytical equipment of the embodiment of the present invention at least will comprise an acquiring unit, an analytic unit and a display unit, Fig. 1 shows the simplest functional block diagram of the analytical equipment 100 of the embodiment of the present invention.
As shown in Figure 1, acquiring unit 110, for obtaining the historical data of output state of power supply; This historical data comprises at least one in voltage, electric current, power.Particularly, acquiring unit 110 can utilize keyboard on power supply front panel for user provides input interface, makes the historical data that user can pointwise input/output state, and program leaves the historical data of the output state receiving in internal memory in.
Fig. 2 is the simplest realization flow figure of the analytical equipment of the embodiment of the present invention.As shown in Figure 2, the realization flow of analytical equipment comprises the steps:
201, start;
202, judge whether input/output state historical data, in this way, enter step 203, as no, return and continue judgement;
203, the output state historical data of obtaining is existed in memory queue;
204, memory queue subscript+1;
205, judge whether that memory queue is full, in this way, enter step 206, as no, return to step 202;
206, to the execution analysis of described output state historical data: calculate maximum, minimum value and average;
207, show maximal value, minimum value and the average calculated
208, finish.
Another embodiment of the present invention is improved input method, removes traditional method with the manual pointwise input of keyboard, and adopts the mode of file reading to input, and it is multiple that the file layout of support can have, after can introduce respectively.Real data (number of voltage, electric current and/or the power obtaining) dynamic assignment of counting that the internal memory of store historical data obtains according to file reading, as long as be no more than the maximum memory upper limit that can use, can all read, make the memory size dynamically changeable of temporary historical data, more flexible.And analysis operation is not carried out immediately obtaining after input historical data, and send just execution after the instruction of analysis user.Statistical nature parameter is expanded, comprise maximal value, minimum value, average, variance, mode, middle number, range, mean difference etc., make the content of analysis abundanter.On showing, not only show result of calculation, and the historical data of reading is also shown.
Fig. 3 is the analytical equipment practical function block diagram after the embodiment of the present invention is improved.As shown in Figure 3, acquiring unit 310 comprises: read module 3101, for reading history data file from internal storage or external memory storage; File Format Analysis module 3102, for the file layout of the history data file reading is resolved, and reads the historical data obtaining after resolving in internal memory.Analytic unit 320, analyzes for the historical data to internal memory, obtains analysis result.Display unit 330, also for the historical data of obtaining is shown in real time, and shows described analysis result with the display mode of waveform or form.Display unit 330 correspondingly comprises: the real-time display module 3301 of historical data, analysis result form display module 3302 and analysis result waveform display module 3303.Cannot complete demonstration on a screen during for big data quantity, can increase the option of checking of a current time, user, by regulating current time, utilizes the real-time display module 3301 of historical data to check the historical data on different time.The embodiment of the present invention is experienced for increasing user, utilize analysis result form display module 3302 and analysis result waveform display module 3303, in the demonstration of historical data, provide waveform and form two kinds of modes, waveform facilitates user to check trend, and form facilitates user to check actual data.
Further, history data file in described inside or external memory storage can be the historical data that power supply is recorded, power supply can also comprise: output state collecting unit, and the output state historical data when gathering power work, it comprises: voltage, electric current, time etc.; Output state recording elements, for by gather output state storage of history data P at memory device, obtain history data file.
In a preferred embodiment, read module 3101, for reading the history data file of ROF form, its file header comprises: file type, number of data points and writing time interval, its file content is the passage historical data according to journal writing time; Passage historical data comprises the voltage and current of each passage; File Format Analysis unit 3102, for the history data file of ROF form is resolved, and the voltage of each passage that parsing is obtained, electric current read respectively the first core buffer and the second core buffer; Obtain the power of each passage according to voltage and current, read the 3rd core buffer.
Fig. 4 is the realization flow figure of the analytical equipment of the embodiment of the present invention after according to the improvement of Fig. 3.As shown in Figure 4, the workflow of the analytical equipment after improvement comprises the steps:
401, start;
402, read history data file; First read module 3101 reads specified file from internal storage or external memory storage;
403, parses through historical data file; File Format Analysis module 3102 is resolved file layout, after resolving correctly, historical data is read in the memory queue of dynamic assignment according to corresponding format;
404, the file layout that determines whether support, in this way, enters step 406, as no, enters step 405;
405, prompting file layout mistake; After step 405, enter step 413 with process ends;
406, obtain number of data points according to analysis result;
407, the internal memory of memory allocated data; 408, from file, read historical data in internal memory;
409, on screen, show historical data;
410, judge whether execution analysis, in this way, enter step 411, as no, return to step 410 and continue judgement;
411, the statistical nature of analysis of history data;
412, display analysis result on screen; Step 410-412 is in the time that user sends analysis instruction, in internal memory, starts to carry out the calculating of various statistical parameters, after having calculated, analysis result is presented on screen;
413, finish.
Fig. 5 is the schematic diagram of embodiment of the present invention Si road file layout.As shown in Figure 5, file reads supports 4 kinds of file layouts, comprises file and other three kinds conventional better simply file layouts that the power supply transcripter of the embodiment of the present invention is recorded.Every kind of equal include file head of file layout, data content, the data content of different file layouts can be binary data, can be also the data with space, new line or CSV.
Fig. 6 is four kinds of schematic diagram that file layout is given an example of the embodiment of the present invention.As shown in Figure 6, every kind of equal include file head of form and time content, file layout is exemplified below:
File layout A is the ROF file that the power supply transcripter of the embodiment of the present invention is recorded, (it can be the time interval that gathers historical data for include file type in file header---ROF, number of data points, sampling interval, also it can be the time interval of log history data), binary data is according to passage alternative arrangement, deposit continuously, be followed successively by CH1 electric current and voltage, CH2 electric current and voltage, CH3 electric current and voltage, respectively organize between data without any separator, each data account for 4 bytes.Form B, C, D are text formatting, substantially similar, but with passage, it doesn't matter: in file header, comprised file type, number of data points and sampling interval, data are below also to adopt document form to deposit, difference is the difference of separator, the separator of TXT type is new line, and the separator of CSV type is comma, and the separator of SPC type is space.File Format Analysis module first reads the file type of the first row, and compares with " ROF ", " TXT ", " CSV ", " SPC ", obtains concrete file layout; Read again the number of data points of the second row and the sampling interval of the 3rd row; Then read data below according to form: ROF file data is binary, so can read out according to length is disposable, but because it is that multiple passages are alternately deposited, so need to carry out alternate treatment according to passage, data be deposited in the voltage and current historical data buffer zone of respective channel.The file of TXT form is data of every row, and the attribute of data is text characters, can first read line by line according to the mode of character string, is then converted to integer number.The file of the file of CSV and SPC form and TXT form is substantially similar, and CSV form is according to the first reading character string of CSV, then is converted to integer number, and SPC file is according to the first reading character string of space-separated, then is converted to integer number.
Wherein, the data of ROF form are binary data, do not have line feed, and the form of seeing in internal memory is as follows: 0x1111 is that CH1 voltage, 0x1212 are CH1 electric current ... after a sampling interval, repeat again the output state gathering below.
Wherein, above-mentioned ROF file data can read out according to length is disposable, refer to: the disposable data that read designated length, if oversize, the length that read-only memory is supported at most can ensure that largest interval is no more than maximum memory length in the time of checking initial time and termination time.
For the file of non-ROF file layout, depositing of its historical data is alternately to deposit not according to electric current and voltage, also it doesn't matter with passage, therefore read this class file, also needed to rely on user's input, the data content that user can indicate corresponding document to read is voltage, or electric current, or power, provides the selection of analytic target in the present invention, and user can selection analysis object be voltage, electric current or power.If the analytic target that user selects is voltage, think that the file content of the TXT form, CSV form and the SPC form that read is voltage, in like manner, if electric current or the power selected also do same processing.For ROF file, owing to there being all the time voltage and current value, therefore no matter analytic target is selected voltage, electric current or power, capital in the time reading according to voltage, the mode that electric current replaces first reads out, voltage and current is placed on respectively in different buffer zones, (buffer zone is independently, the voltage of different passages is to exist in different buffer zones, the voltage and current of same passage is also to exist in different buffer zones), and be multiplied by electric current with voltage and obtain performance number, exist in another one buffer zone, in the time of execution analysis, according to analytic target, analytical voltage, the statistic analysis result of electric current or power, and show.
Recording mode about the file of non-ROF file layout is exemplified below: this class file is the application for extensive diagnostic device, the analytical equipment of the embodiment of the present invention is not only supported the file that own transcripter is recorded, also support the file of form described here, as long as it meets call format, the analytic target that can set according to user be analyzed, such as TXT file:
TXT // file type;
10 of 10 // number of data points;
1 // record period, 1s;
If 12 // user selection analysis object is voltage, be 12V, if select/select electric current, be 12A, power is 12W if;
13
11……
Sometimes user may be interested in a certain section in a history data file, but not all time periods are all interested, therefore on the basis that can realize at above-mentioned analytical equipment, further improve: allow user can specify the time period that will analyze, user can arrange initial time and the termination time that will analyze.
In embodiments of the present invention, record relative time in file, logging interval indicated the relative time at interval between every group of data point, as long as current time/logging interval can be obtained to current counting; Initial time/logging interval can obtain initial counting.
The advantage of the embodiment that Fig. 3-Fig. 6 of the present invention is corresponding is:
1, in input method, avoid taking the mode (this is very loaded down with trivial details for the instrument that there is no full keyboard) of manual pointwise input, but adopt read module to input in the mode of file reading, improved like this efficiency, improved user's experience;
2, avoid the data of input to exist in fixing internal memory, memory size is fixed, dumb; The dynamic assignment but the real data that the internal memory of storage data is obtained according to file reading is counted, as long as be no more than the maximum memory upper limit that can use, can all read, and makes the memory size dynamically changeable of temporal data, more flexible;
3, the no longer operation of execution analysis immediately after memory queue is full, this mode all needs all to write full internal memory at every turn and could execution analysis operate, inconvenience; But send just execution analysis operation after the instruction of analysis user, convenient;
4, the statistical parameter calculating is no longer limited to these three conventional statistical parameters of maximal value, minimum value and mean value, but is further extended to maximal value, minimum value, average, variance, mode, middle number, range, mean difference etc., makes the content of analysis abundanter;
5, the content showing no longer only shows the maximal value, minimum value and the mean value that calculate, also shows the analysis results such as variance, mode, middle number, range, mean difference and the historical data of reading, and displaying contents is abundanter.
In yet another embodiment of the present invention, can on Fig. 3, increase a setting unit and authentication unit and realize above-mentioned improvement, the functional block diagram of the increase setting unit that Fig. 7 is the embodiment of the present invention and the analytical equipment 500 of authentication unit.Same numeral represents identical device, repeats no more with Fig. 3 something in common.As shown in Figure 7,
Setting unit 510, for arranging at least one of following parameter: file path, analytic target, the historical data current time of checking, the initial time that analyze and termination time that user reads, and the instruction of execution analysis.
Analytic unit 520, also, for the instruction of the execution analysis that sends according to setting unit 510, starts the analysis to output state historical data.
Analytic unit 520, also, for according to above-mentioned initial time and termination time, chooses corresponding one piece of data in this historical data and analyzes.
Setting unit 510, also for analytic target is set, this analytic target comprises as lower at least one: voltage, electric current, power; Analytic unit 520, the also analytic target for arranging according to setting unit 510, analyzes the statistical nature of this analytic target in the described historical data in internal memory.Described statistical nature comprises as lower at least one: maximal value, minimum value, average, variance, mode, middle number, range, mean difference, number of data points.
Display unit 330, also, for according to the historical data current time of checking, shows the historical data corresponding with current time.Cannot complete demonstration on a screen when big data quantity, can increase the option of checking of a current time, user is by regulating current time to check the historical data on different time.
Authentication unit 530(is as optional), whether the parameter arranging for verification setting unit 510 is legal effectively, to guarantee the validity of current time, initial time and termination time.Proof rule is: the setting of current time is not less than initial time, is not more than the termination time; Initial time is no more than the termination time; Termination time is no more than the number of data points maximal value reading; In the time that the termination time changes, need to again verify initial time, in the time that initial time or termination time change, need to again verify current time.
Fig. 8 is the analytical equipment checking process flow diagram of the embodiment of the present invention.As shown in Figure 8, comprise the steps:
801, start;
802, judge whether to verify the termination time, in this way, enter step 803, as no, enter step 805;
803, judge whether that the termination time is greater than the data maximum time of reading, in this way, execution step 804, as no, execution step 811;
804, the restriction termination time is maximum time;
805, judge whether to verify initial time, in this way, execution step 806, as no, execution step 814;
806, judge whether that initial time is greater than the termination time, in this way, execution step 807, as no, execution step 815;
807, restriction initial time is the termination time;
808, judge whether to verify current time, in this way, execution step 809, as no, execution step 816;
809, judge whether that current time is greater than the termination time, in this way, execution step 810, as no, execution step 817;
810, restriction current time is the termination time; Step 810 executes rear process ends;
811, judge whether that the termination time is less than 1s, in this way, execution step 812, as no, execution step 813;
812, the restriction termination time is 1s; After executing, step 812 enters step 805;
813, be set for user's settings the termination time; After executing, step 813 enters step 805;
814, judge whether termination time change, in this way, execution step 806, as no, execution step 808;
815, initial time being set is user's settings; After executing, step 815 enters step 808;
816, judge whether that initial time changes or the termination time changes? in this way, execution step 809, as no, process ends;
817, judge whether that current time is less than initial time? in this way, execution step 818, as no, execution step 819;
818, restriction current time is initial time; Step 818 executes rear process ends;
819, current time being set is user's settings; Step 819 executes rear process ends;
820, finish.
Utilize a kind of proframmable linear direct supply of the embodiment of the present invention to elaborate the specific implementation of foregoing invention below.This proframmable linear direct supply utilizes the menu soft key showing on button on front panel and screen to realize the input of parameters, utilizes rear panel USB Host interface to read External memory equipment as the history data file in USB flash disk.
Fig. 9 is the menu structure of embodiment of the present invention analytical equipment.As shown in Figure 9, analytical equipment is opened the operation of (historical data) file, the operation of analytic target is set, the operation of current time, initial time and termination time is set, the operation of display format (squiggle or form) is set, and the operation of execution analysis, all complete by menu soft key.The analysis that analytical equipment is carried out, for individual passage, can realize channel selecting by the CH1 of front panel, CH2, CH3 button.
Figure 10 is the main interface of the analytical equipment of the embodiment of the present invention.As shown in figure 10, user presses after front panel Premium Features button, selects " analytical equipment " menu can enter the main interface of analytical equipment.
While entering for the first time the main interface of analytical equipment, owing to not reading any historical data, therefore except " opening file " menu be manipulable, other menus are all in disarmed state, only other parameters could be further set having read after effective document.Historical data is presented at screen top by the form of form or waveform, and the left side of form or waveform shows when prepass (what only read is ROF file, and channel number is just meaningful) and present analysis object: voltage.Screen below shows various statistical parameters, comprises number of data points, maximal value, minimum value, average, variance, mode, middle number, range, mean difference etc. in initial time and termination time section.
Figure 11 is the storage administration interface of the embodiment of the present invention.User jumps to storage administration interface after pressing " opening file " menu, selects the data of having preserved for user, can on internal storage space, select, also can in outside USB flash disk, select, storage administration interface as shown in figure 11:
Carry out after read operation, historical data can be read in internal memory, and current time is set is 1s, initial time is 1s, and the termination time is the represented real time (computing method: sampling interval * number of data points) of data length of reading.Meanwhile, make " current time " menu, " initial time " menu, " termination time " menu, " analytic target " menu, " analysis " menu, " demonstration " menu in allowing mode of operation.The result of the various statistical parameters that now screen below shows is still 0, it not the result of actual analysis, only have and press after " analysis " menu as user, analytic unit just calculates various statistic analysis result according to the initial time of input and termination time and analytic target, and is presented on screen.In the time that user arranges " current time ", on waveform, can provide mark and the actual value of current some present position, as shown in figure 12, the waveform display interface that Figure 12 is the embodiment of the present invention.
User can, by switching " demonstration " menu, be switched the display mode of historical data, when switching to after form, display interface as shown in figure 13, the form display interface that Figure 13 is the embodiment of the present invention.
Other distortion of the embodiment of the present invention:
1, increase or reduce the statistical parameter of analyzing;
2, in file layout, can further expand, be that voltage, electric current replace or the first half data are that voltage, later half data are electric currents such as adding the emitting format of data in file header; Also the byte number that can indicate individual data to occupy in file header;
3, change display layout, adopts other modes to show;
4, change mode of operation, not by menu soft key, and operates by other front panel keys;
5, when execution analysis, can real-time analysis in the time that user revises initial time or termination time;
6, send to FPGA or CPLD after data can being read out, allow FPGA or CPLD carry out calculating, and return to result of calculation, to improve counting yield;
7, can not adopt the method for file reading, and the method that adopts remote interface directly to download.
The advantage of the embodiment of the present invention is:
1, can depart from PC and on instrument unit operation;
2, can complete the analysis of the various statistical parameters of historical data;
3, not only show the result of statistical study, also shown historical data;
4, do not adopt the method for traditional manual input, and adopt the method for file reading, improved the convenient and high efficiency of data inputs;
5, can show by the mode of waveform the trend of historical data;
6, can accurately show historical data by the form of form;
7, can select the object that will analyze;
8, can select initial time and the termination time that will analyze, carry out piecewise analysis, and do not need all to carry out full-time piecewise analysis at every turn.
Those skilled in the art can also recognize the various illustrative components, blocks (illustrative logical block) that the embodiment of the present invention is listed, unit, and step can pass through electronic hardware, computer software, or both combinations realize.For the clear replaceability (interchangeability) of showing hardware and software, above-mentioned various illustrative components (illustrative components), unit and step have been described their function generally.Such function is to realize by hardware or software the designing requirement of depending on specific application and whole system.Those skilled in the art can, for every kind of specific application, can make in all sorts of ways and realize described function, but this realization should not be understood to exceed the scope of embodiment of the present invention protection.
Various illustrative logical block described in the embodiment of the present invention, or unit can pass through general processor, digital signal processor, special IC (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the design of above-mentioned any combination realizes or operates described function.General processor can be microprocessor, and alternatively, this general processor can be also any traditional processor, controller, microcontroller or state machine.Processor also can be realized by the combination of calculation element, for example digital signal processor and microprocessor, and multi-microprocessor, a Digital Signal Processor Core of one or more microprocessor associating, or any other similarly configures and realizes.
Method described in the embodiment of the present invention or the step of algorithm can directly embed hardware, the software module of processor execution or the two combination.Software module can be stored in the storage medium of other arbitrary form in RAM storer, flash memory, ROM storer, eprom memory, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area.Exemplarily, storage medium can be connected with processor, with make processor can be from storage medium reading information, and can deposit write information to storage medium.Alternatively, storage medium can also be integrated in processor.Processor and storage medium can be arranged in ASIC, and ASIC can be arranged in user terminal.Alternatively, processor and storage medium also can be arranged in the different parts in user terminal.
In one or more exemplary designs, the described above-mentioned functions of the embodiment of the present invention can realize in hardware, software, firmware or this three's combination in any.If realized in software, these functions can be stored on the medium with computer-readable, or are transmitted on the medium of computer-readable with one or more instructions or code form.Computer-readable medium comprises computer storage medium and is convenient to make to allow computer program transfer to other local telecommunication media from a place.Storage medium can be the useable medium that any general or special computer can access.For example, such computer readable media can include but not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage device, or other any medium that can be read by general or special computer or general or special processor for carrying or storage the program code of form with instruction or data structure and other.In addition, any connection can be suitably defined as computer-readable medium, for example,, if software is by a concentric cable, optical fiber computer, twisted-pair feeder, Digital Subscriber Line (DSL) or being also comprised in defined computer-readable medium with wireless way for transmittings such as such as infrared, wireless and microwaves from a web-site, server or other remote resource.Described video disc (disk) and disk (disc) comprise Zip disk, radium-shine dish, CD, DVD, floppy disk and Blu-ray Disc, and disk is conventionally with magnetic duplication data, and video disc carries out optical reproduction data with laser conventionally.Above-mentioned combination also can be included in computer-readable medium.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. a power supply with analytic function, is characterized in that, described power supply comprises: analytical equipment, and described analytical equipment comprises:
Acquiring unit, for obtaining the historical data of output state of power supply; Described historical data comprises at least one in voltage, electric current, power;
Analytic unit, analyzes for the historical data to described output state, obtains analysis result;
Display unit, for showing described analysis result.
2. power supply according to claim 1, is characterized in that, described acquiring unit comprises: user's input interface, and for receiving the historical data of user's input.
3. power supply according to claim 1, is characterized in that, described acquiring unit comprises:
Read module, for reading history data file from internal storage or external memory storage;
File Format Analysis module, for the file layout of the history data file reading is resolved, and reads the historical data obtaining after resolving in internal memory;
Described analytic unit is analyzed the historical data in internal memory, obtains analysis result.
4. power supply according to claim 3, is characterized in that,
Described read module, for reading the history data file of ROF form, its file header comprises: file type, number of data points and writing time interval, its file content is the passage historical data according to journal writing time; Passage historical data comprises the voltage and current of each passage;
Described File Format Analysis unit, for the history data file of ROF form is resolved, and the voltage of each passage that parsing is obtained, electric current read respectively the first core buffer and the second core buffer; The power that obtains each passage according to described voltage and current, is read the 3rd core buffer.
5. power supply according to claim 1, is characterized in that, described display unit also for the historical data of obtaining is shown in real time, and shows described analysis result with the display mode of waveform or form.
6. according to the power supply described in any one in claim 1-5, it is characterized in that, described analytical equipment also comprises:
Setting unit, for arranging at least one of following parameter: the instruction of the initial time of file path that user reads, analytic target, the historical data current time of checking, analysis and termination time, display format, execution analysis.
7. power supply according to claim 6, is characterized in that, described analytic unit also, for according to the instruction of the execution analysis of described setting unit transmission, starts the analysis to described output state historical data.
8. power supply according to claim 6, is characterized in that, described analytic unit is also analyzed for choose the corresponding one piece of data of described historical data according to described initial time and termination time.
9. power supply according to claim 8, is characterized in that,
Described setting unit is also for analytic target is set, and described analytic target comprises as lower at least one: voltage, electric current, power;
Described analytic unit is the analytic target for arranging according to described setting unit also, and the statistical nature of analytic target described in the described historical data in internal memory is analyzed.
10. power supply according to claim 9, is characterized in that, described statistical nature comprises as lower at least one:
Maximal value, minimum value, average, variance, mode, middle number, range, mean difference, number of data points.
11. power supplys according to claim 6, is characterized in that, described display unit, and the also historical data current time for checking described in basis, shows the historical data corresponding with described current time.
12. power supplys according to claim 6, is characterized in that, described analytical equipment also comprises:
Authentication unit, whether legal effectively for verifying the parameter of described setting unit setting.
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