CN105548785A - Standard calibration method and system for arc light protection device - Google Patents
Standard calibration method and system for arc light protection device Download PDFInfo
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- CN105548785A CN105548785A CN201610124363.5A CN201610124363A CN105548785A CN 105548785 A CN105548785 A CN 105548785A CN 201610124363 A CN201610124363 A CN 201610124363A CN 105548785 A CN105548785 A CN 105548785A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/003—Environmental or reliability tests
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Abstract
The embodiment of the invention discloses a standard calibration method for an arc light protection device. The method comprises the steps of testing whether the arc light protection device to be tested is switched in an arc light probe interface or not; when it is tested that the arc light protection device to be tested is switched in the arc light probe interface, controlling an arc light source to transmit arc light; judging a relay of the arc light protection device to be tested trips or not; when the relay trips, obtaining arc light protection time of the arc light protection device to be tested; according to the arc light protection time, judging whether the arc light protection device to be tested meets the standard or not. A standard calibration system for the arc light protection device comprises a DSP control module, and the DSP module is connected with the arc light source, a display input device and an arc light probe of the arc light protection device to be tested. By means of the method and system, a unified testing tool standard in certification and testing is provided for the electric arc light protection device industry, and the phenomena of misjudgement, misoperation and the like which often exist in the using process of the arc light protection device are reduced.
Description
Technical field
The present invention relates to arc light protecting device criteria check technical field, particularly relate to a kind of arc light protecting device criteria check method and system.
Background technology
Electric system can cause arc light due to various short circuit reasons, and arc light can break out with the speed of 300m/s, destroys any material in way.As long as not power-off in system, arc light will exist always.Want the harm reducing arc light to greatest extent, we need safety, promptly cut off arc light, can when generation arc fault, and protection operating personnel preserve from, and can reduce property loss degree.
Along with developing rapidly of electric system and transmission thereof, some enterprises just start carried out independent research to arc light and developed various arc light protecting device.Arc light protecting device can not only be advantageously applied in new clothes switch cubicle and also can be attached to easily in the switch cubicle run, and its target excises arc fault exactly in the very first time, and that personal injury and equipment damage are down to is minimum.But there is respective standard in numerous enterprises manufacturer, lack the unified certification to arc light detecting sensitivity, can not accurately weigh arc fault phenomenon, often have the phenomenon that wrong diagnosis is judged by accident, this just needs to carry out unified certification to arc fault phenomenon.
The reliable detection of arc light protecting system and stable operation are related to safety and the interests of all trades and professions; in order to ensure that protection system has reliable accuracy and takes measures timely to be protected the fault occurred, the test doing each side relevant to the protection system being about to put into effect is significant.
Summary of the invention
A kind of arc light protecting device criteria check method and system are provided, in order to check whether arc light protecting device meets designing requirement and specification in the embodiment of the present invention.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses following technical scheme:
Embodiments provide a kind of arc light protecting device criteria check method, comprising:
Detect arc light protecting device to be measured and whether be linked into arc probe interface;
When detecting that described arc light protecting device to be measured is linked into arc probe interface, controlling arc light light source and sending arc light;
Judge whether the relay of arc light protecting device to be measured trips;
When described relay tripping operation, obtain the arc protection time of described arc light protecting device to be measured;
Judge whether described arc light protecting device to be measured meets standard according to the described arc protection time.
Preferably, the arc protection time of the described arc light protecting device to be measured of described acquisition, comprising:
Record controls arc light light source sends the very first time of arc light;
Record obtains the second time during relay trip signal;
Calculate the first difference between the described very first time, the second time, described first difference is the arc protection time.
Preferably, judge whether described arc light protecting device to be measured meets standard, comprising according to described guard time:
Described guard time and time threshold are compared;
If described guard time is within the scope of described time threshold, then described arc light protecting device to be measured meets standard;
If described guard time is outside described time threshold scope, then described arc light protecting device to be measured does not meet standard.
Preferably, described method also comprises:
When detecting that described arc light protecting device to be measured is linked into arc probe interface, controlling current source and sending electric current.
Preferably, the overcurrent protection time of the described arc light protecting device to be measured of described acquisition, also comprise:
Record controls current source sends the 3rd time of electric current;
Record obtains the 4th time during relay trip signal;
Calculate the second difference between described 3rd time, the 4th time, described second difference is the overcurrent protection time.
Preferably, described method also comprises:
The arc light that described arc light light source sends is calibrated.
A kind of arc light protecting device criteria check system, comprising: DSP control module, described DSP control module is connected with the arc probe of arc light light source, display input device and arc light protecting device to be measured respectively, wherein,
Described DSP control module comprises whether being linked into arc probe interface for detecting arc light protecting device to be measured, controls arc light light source and sends arc light and judge the DSP the control chip whether relay of arc light protecting device to be measured trips;
Described display input device comprises the liquid crystal touch screen of the guard time for showing arc light protecting device.
Preferably, described system also comprises the current source for sending electric current, and described current source is connected to described DSP control chip.
Preferably, described system also comprises the reference arc probe for calibrating the arc light that described arc light light source exports, and described reference arc probe is connected with described DSP control chip.
Preferably, described system also comprises the make and break contact input media for obtaining relay tripping operation, and described make and break contact input media is connected with described DSP control chip.
Beneficial effect of the present invention comprises: solve current numerous enterprises manufacturer lacks the parametric test such as detection sensitivity, actuation time unified certification, check system to the arc light protecting device of oneself.
Provide and check whether certain arc light protecting device meets the instruments of inspection of designing requirement and specification, has filled up the technological gap in this field.
For arc light protective device industry provides the instruments of inspection of a unified certification and test stone, reduce arc light protecting device and in use often there will be the phenomenons such as erroneous judgement, malfunction.
For power industry provides a new technology, reduce the economic loss of power industry, extend the serviceable life of power product, saved cost.
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, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of a kind of arc light protecting device criteria check method that Fig. 1 provides for the embodiment of the present invention;
The structural representation of a kind of arc light protecting device criteria check system that Fig. 2 provides for the embodiment of the present invention;
Fig. 1-Fig. 2, symbol represents:
1-make and break contact input media, 2-current source, 3-communicator, 4-display input device, 5-DSP control module, 6-supply unit, 7-arc probe, 8-reference arc probe, 9-arc light light source.
Embodiment
Technical scheme in the present invention is understood better in order to make those skilled in the art person, 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 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, should belong to the scope of protection of the invention.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with drawings and embodiments, the present invention is described in further detail.
See Fig. 1, be the schematic flow sheet of a kind of arc light protecting device criteria check method that the embodiment of the present invention provides, described method comprises:
Step S101: detect arc light protecting device to be measured and whether be linked into arc probe interface.
Concrete, the arc probe 7 of arc light protecting device to be measured is connected with check system, arc light light source 9 is utilized to produce arc light, arc light acts on arc light protecting device to be measured, whether the arc probe 7 of described arc light protecting device to be measured is subject to the impact of arc light for detecting arc light protecting device, when there being arc fault, arc probe 7 detects arc light, now, arc probe 7 and arc probe interface are connected, if correctly connected, so arc probe 7 should send data to check system, check system judges and shows the data variation of arc probe 7, by observing the change whether having arc probe 7 data, judge whether arc probe 7 is connected with arc probe interface, whether connect with check system.
Step S102: when detecting that described arc light protecting device to be measured is linked into arc probe interface, controls arc light light source 9 and sends arc light.
Concrete; when arc light protecting device to be measured is linked into described arc probe interface; mean that arc light protecting device to be measured and check system are connected; can verify arc light protecting device to be measured; now control arc light light source 9 and send arc light; described arc light acts on arc light protecting device to be measured; in order to the injury preventing equipment to be subject to arc light; therefore arc light protecting device to be measured can produce action; proterctive equipment escapes injury; described arc light protecting device responsiveness to be measured is faster, and namely reaction velocity is faster, illustrates that the sensitivity of described arc light protecting device to be measured is higher.
Before calibration verification; the arc light that described arc light light source 9 sends can also be calibrated, arrange with reference to arc probe 8 in system, for receiving the arc light detecting arc light light source 9 and send; guarantee that the precision of arc light is within the scope required, to ensure accuracy and the validity of calibration result.
Step S103: judge whether the relay of arc light protecting device to be measured trips.
Concrete; after arc photosensor in arc light protecting device detects arc light, the light signal that arc light produces is sent to the control module of arc light protecting device to be measured, the control module pilot relay generation action of described arc light protecting device; meanwhile, described check system obtains relay trip signal.
Step S104: when described relay tripping operation, obtain the arc protection time of described arc light protecting device to be measured.
Concrete, when arc light occurs arc light light source 9, record and control the very first time that arc light light source 9 sends arc light; When relay tripping operation, while described check system obtains relay trip signal, record the second time when obtaining relay trip signal; Calculate the first difference between the described very first time, the second time, described first difference is the arc protection time.
Step S105: judge whether described arc light protecting device to be measured meets standard according to the described arc protection time.
Concrete; time threshold is preset in described check system; under normal circumstances; in the described threshold value of setting, the moment that can produce at arc light, corresponding action should be there is in the guard time of qualified arc light protecting device; protection relevant switching device; avoid because the reaction time is excessively slow, cause as cable cover(ing) catches fire and the equipment damage such as bus meltdown, injure associative operation controllers further.Described guard time and time threshold are compared; If described guard time is within the scope of described time threshold, then described arc light protecting device to be measured meets standard; If described guard time is outside described time threshold scope, then described arc light protecting device to be measured does not meet standard.
Certainly, described method also can carry out the verification of arc light, the two criterion of excess current, and namely described method also comprises:
When detecting that described arc light protecting device to be measured is linked into arc probe 7, controlling current source 2 and sending electric current.
Obtain the overcurrent protection time of described arc light protecting device to be measured, specifically comprise: record controls current source 2 sends the 3rd time of electric current; Record obtains the 4th time during relay trip signal; Calculate the second difference between described 3rd time, the 4th time, described second difference is the overcurrent protection time.
Described current protection time and arc protection time are action protection T.T. of arc light protecting device to be measured, are compared action T.T. and the T.T. threshold value set in check system, judge whether arc light protecting device to be measured meets standard.
For the arc light protecting device that RIZNER (auspicious victory) company produces; this arc light protecting device public data represents; described arc light protecting device can guarantee that protection system sends trip signal in 1ms; add the breaker actuation time (35-60ms); inside switch cabinet arclight fault total mute time is controlled within 60ms, and in appearance without apparent damage.Protective relaying device comprises the accumulative about 44ms of measurement, calculating, self-inspection and action equal time, and add the breaker actuation time, differential protection and no-time-delay instantaneous current protection action, fault clearing time is about 100ms, and namely action T.T. is 100ms.
Whether whether described check system verifies described arc light protecting device, check the action protection T.T. of described arc light protecting device within the scope of the time threshold of setting, to check arc light protecting device qualified.
Corresponding with a kind of arc light protecting device criteria check embodiment of the method provided by the invention, present invention also offers a kind of arc light protecting device criteria check system.
Described system comprises: DSP control module 5, described DSP control module 5 is connected with the arc probe 7 of arc light light source 9, display input device 4 and arc light protecting device to be measured respectively, wherein, described DSP control module 5 comprises whether being linked into arc probe interface in system for detecting arc light protecting device to be measured, controls arc light light source 9 and sends arc light and judge the DSP control chip whether arc light protecting device relay to be measured trips; Described DSP control chip is used for opening into signals collecting (monitoring), external trigger control, touch display screen, communication etc. with reference to arc optical signal collection, outside, can automatically identify the polarity having source contact.
Arc light light source 9 has true arc light and occurs and measuring ability, and light source covers (200-700) nm wavelength, and light source high-high brightness is not less than 20,000 lumens.
Described arc probe interface is provided with four paths matched with described arc light protecting device to be measured; be respectively SMA905, ZK, STA and STB tetra-kinds of probe interfaces, four kinds of different probe models can be adapted to, so arrange; expand the usable range of described check system, practicality strengthens.After arc probe 7 to be measured is connected with described arc probe interface, the passage of described arc probe interface can detect, and judges whether arc probe 7 to be measured is connected with described arc probe interface, and shows access situation on the display apparatus.Described arc light device to be measured is protection relevant device; described arc probe 7 detects extraneous arc light; the high-high brightness of the arc light that arc probe 7 can detect, is delivered in checking system by described arc probe interface, and demonstrates in described display device.
Described display input device 4 comprises the liquid crystal touch screen of the guard time for showing arc light protecting device.Native system adopts hommization panel designs, configures complete Chinese lcd touch panel type display, and liquid crystal touch screen is as the interface of man-machine interaction, and user is by setting channel current and the light source intensity of the generation of (or observation) criteria check system.Whether human-computer interaction interface also can show arc light protecting system passage trip operation and movement response time.Touch display screen interface is used for carrying out with daemon software alternately, being operated calibration system by daemon software.
Described system also comprises the current source 2 for sending electric current, and described current source 2 is connected to described DSP control chip.
Described system also comprises the reference arc probe 8 of the described arc light light source 9 for calibrating output, guarantees that light source precision is in the scope required, described reference arc probe 8 is connected with described DSP control chip.
Described system also comprises the make and break contact input media 1 for obtaining relay tripping operation, and described make and break contact input media 1 is connected with described DSP control chip.Be furnished with No. four independent switch contact inputs corresponding with four tunnel arc probe in make and break contact load module, automatically identify the polarity having source contact, compatible idle contact and 15V ~ 250V have source contact, and actuation time, precision was 0.1ms.
Also comprise supply unit 6 in described check system, supply unit 6 adopts AC220V, uses this Power supply, power supply can be allowed to have large fluctuation, add the broad applicability of instrument.
Also comprise in described check system for the communicator 3 with backstage compunlcation, backstage computer can local control system.
The concrete use procedure of described arc light protecting device criteria check system is:
Before unlatching check system; arc light protecting device to be measured is connected with check system; arc light protecting device criteria check system is provided with the mounting interface of arc probe 7, and for connecting the arc probe 7 of arc light protecting device to be measured, arc probe 7 receives the arc light that arc light light source 9 occurs.
After connection, can check system be opened, select corresponding test method and test to need the parameter of setting by the complete Chinese lcd touch panel type display of check system, after being provided with, can select " starting to detect ".
Detect data will automatically be saved in this criteria check system, reviewer checks experimental data and experimental result by the menu inside liquid crystal touch display screen.
When needs inspection arc light protecting device arc light list criterion actuation time, wiring in the manner described above, then starts check system, Selection experiment mode and setup parameter, then " starts to detect ".Whether whether this checking system can be checked this passage of arc light protecting device to have relay trip signal to export and check the total reaction time occurred to when protective device relay exports from arc light to meet the requirements.
When needing to check the arc light of arc light protecting device, excess current two criterion actuation time, wiring in the manner described above, then starts check system, Selection experiment mode and setup parameter, then " starts to detect ".Whether whether this checking system can be checked this passage of arc light protecting device to have relay trip signal to export and check the total reaction time occurred to when protective device relay exports from arc light and excess current to meet the requirements.
By the description of above embodiment of the method, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better embodiment.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: ROM (read-only memory) (ROM), random access memory (RAM), magnetic disc or CD etc. various can be program code stored medium.
For convenience of description, various unit is divided into describe respectively with function when describing above device.Certainly, the function of each unit can be realized in same or multiple software and/or hardware when implementing of the present invention.
Be understandable that, the present invention can be used in numerous general or special purpose computing system environment or configuration.Such as: personal computer, server computer, handheld device or portable set, laptop device, multicomputer system, system, set top box, programmable consumer-elcetronics devices, network PC, small-size computer, mainframe computer, the distributed computing environment comprising above any system or equipment etc. based on microprocessor.
The present invention can describe in the general context of computer executable instructions, such as program module.Usually, program module comprises the routine, program, object, assembly, data structure etc. that perform particular task or realize particular abstract data type.Also can put into practice the present invention in a distributed computing environment, in these distributed computing environment, be executed the task by the remote processing devices be connected by communication network.In a distributed computing environment, program module can be arranged in the local and remote computer-readable storage medium comprising memory device.
It should be noted that, in this article, the such as relational terms of " first " and " second " etc. and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the specific embodiment of the present invention, those skilled in the art is understood or realizes the present invention.To be apparent to one 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. an arc light protecting device criteria check method, is characterized in that, comprising:
Detect arc light protecting device to be measured and whether be linked into arc probe interface;
When detecting that described arc light protecting device to be measured is linked into arc probe interface, controlling arc light light source (9) and sending arc light;
Judge whether the relay of arc light protecting device to be measured trips;
When described relay tripping operation, obtain the arc protection time of described arc light protecting device to be measured;
Judge whether described arc light protecting device to be measured meets standard according to the described arc protection time.
2. arc light protecting device criteria check method according to claim 1, is characterized in that, the arc protection time of the described arc light protecting device to be measured of described acquisition, comprising:
Record controls arc light light source (9) sends the very first time of arc light;
Record obtains the second time during relay trip signal;
Calculate the first difference between the described very first time, the second time, described first difference is the arc protection time.
3. arc light protecting device criteria check method according to claim 1, is characterized in that, describedly judges whether described arc light protecting device to be measured meets standard, comprising according to described guard time:
Described guard time and time threshold are compared;
If described guard time is within the scope of described time threshold, then described arc light protecting device to be measured meets standard;
If described guard time is outside described time threshold scope, then described arc light protecting device to be measured does not meet standard.
4. arc light protecting device criteria check method according to claim 1, it is characterized in that, described method also comprises:
When detecting that described arc light protecting device to be measured is linked into arc probe interface, controlling current source (2) and sending electric current.
5. arc light protecting device criteria check method according to claim 4, is characterized in that, the overcurrent protection time of the described arc light protecting device to be measured of described acquisition, also comprises:
Record controls current source (2) sends the 3rd time of electric current;
Record obtains the 4th time during relay trip signal;
Calculate the second difference between described 3rd time, the 4th time, described second difference is the overcurrent protection time.
6. arc light protecting device criteria check method according to claim 1, it is characterized in that, described method also comprises:
The arc light that described arc light light source (9) sends is calibrated.
7. an arc light protecting device criteria check system; it is characterized in that; comprise: DSP control module (5); described DSP control module (5) is connected with the arc probe (7) of arc light light source (9), display input device (4) and arc light protecting device to be measured respectively; wherein
Whether the arc probe (7) that described DSP control module (5) comprises for detecting arc light protecting device to be measured is linked into arc probe interface, controls arc light light source (9) and sends arc light and judge the DSP the control chip whether relay of arc light protecting device to be measured trips;
Described display input device (4) comprises the liquid crystal touch screen of the guard time for showing arc light protecting device.
8. arc light protecting device criteria check system according to claim 7, is characterized in that, described system also comprises the current source (2) for sending electric current, and described current source (2) is connected to described DSP control chip.
9. arc light protecting device criteria check system according to claim 7; it is characterized in that; described system also comprises the reference arc probe (8) for calibrating the arc light that described arc light light source (9) exports, and described reference arc probe (8) is connected with described DSP control chip.
10. arc light protecting device criteria check system according to claim 7; it is characterized in that; described system also comprises the make and break contact input media (1) for obtaining relay tripping operation, and described make and break contact input media (1) is connected with described DSP control chip.
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| CN201610124363.5A CN105548785B (en) | 2016-03-04 | 2016-03-04 | A kind of arc light protecting device criteria check method and system |
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| CN201610124363.5A CN105548785B (en) | 2016-03-04 | 2016-03-04 | A kind of arc light protecting device criteria check method and system |
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| CN112327080A (en) * | 2020-10-30 | 2021-02-05 | 国网江苏省电力有限公司 | Method for testing time of rapid arc-extinguishing protection full-period moving die |
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| Publication number | Publication date |
|---|---|
| CN105548785B (en) | 2019-02-22 |
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