CN103018644B - Automatic SPD (surge protective device) lightning stroke current testing system - Google Patents
Automatic SPD (surge protective device) lightning stroke current testing system Download PDFInfo
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- CN103018644B CN103018644B CN201210593861.6A CN201210593861A CN103018644B CN 103018644 B CN103018644 B CN 103018644B CN 201210593861 A CN201210593861 A CN 201210593861A CN 103018644 B CN103018644 B CN 103018644B
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Abstract
The invention discloses an automatic SPD (surge protective device) lightning stroke current testing system which is characterized by comprising a control panel and a test board. An industrial personal computer and a PLC (programmable logic controller) which is communicated with the industrial personal computer are mounted in a body of the control panel; the test board comprises a test board body, a transmission and an impulse current device, the transmission is mounted on the test board body, the impulse current device is mounted on the lower portion of the test board body, the transmission comprises a track, a driving mechanism and a conveyor belt connected with the driving mechanism, a workpiece to-be-tested area, a testing area and a workpiece fetching area are arranged on the surface of the test board body, and the track penetrates through the workpiece to-be-tested area, the testing area and the workpiece fetching area; and electromagnetic valves are arranged on the lower portion of the test board body, testing stations and testing mechanisms are arranged in the testing area, the testing stations are positioned above the track, and displacement sensors are arranged at the testing stations and are electrically connected with the PLC. Compared with the traditional testing system comprising a plurality of independent detecting devices, the automatic SPD lightning stroke current testing system has the advantages that the efficiency is improved by 150 times at least, one or two testing persons can complete testing operation, and accordingly the labor cost is greatly lowered.
Description
Technical field
What the present invention relates to is a kind of electric current thunderbolt automatization test system, is specifically related to a kind of automatization test system for surge protector testing current.
Background technology
Thunder and lightning is that International Electrotechnical Commission (IEC) defines " one of the information age endangers greatly ".Surge protector (hereinafter referred to as SPD) be use in electrical system and electronic information extensively, a kind of important shocking preventing technology that cost performance is the highest, be the important means that protection Electrical and Electronic information equipment exempts from thunderbolt damage.
In the production run of SPD traditional sense, its every lightning impulse current detects conventional 8/20 μ s, 10/350 μ s, 1.2/50 μ s waveform and static parameter (pressure sensitive voltage Uv and leakage current Is) measurement to be needed to be carried out respectively by independent equipment.Following shortcoming is there is in its test process:
(1) checkout equipment needing multiple stage different carries out the performance test of different parameters respectively, has complex operation and the shortcoming such as testing efficiency is low; Every platform equipment of its test all needs to arrange the parts such as control, measurement, discharge and recharge, ground connection, dipole inversion, and floor area is large and equipment manufacturing cost is high.
(2) because the function difference of checkout equipment needs different operated by personnel, the entirety of equipment is handling, the collection of data and connect very inconvenience.
Need staff's man-handling of materials to next equipment operating after (3) thunder and lightning waveforms are completed, such SPD needs to carry out multiple conversions between distinct device, not only complex operation and testing efficiency is very low.
(4) just no longer transmit when a certain detection operation runs into defective products in process of production, the overall performance of reflection product that so just can not be authentic and valid, that is: inspection does not measure this SPD except the performance parameter in this operation is defective, whether other performance parameter is qualified, add the difficulty of reprocessing, and need all to retest again after repairing.
(5) when the checkout equipment of operation sheet platform independent, be generally artificial calculating and read data, some equipment display data time are shorter, need the reading data that tester is correct at short notice, easily cause error of omission, incorrect posting data, people, for causing defective products, adopts the artificial mode calculating reading data if long-time, easily can cause a large amount of waste to enterprise.
It is high that the manipulation of single device needs operating personnel to have high professional qualities, and technical ability is skilled, superb, needs oneself understanding and the judgement in addition of the qualified data of product, particularly when critical data; There is certain measuring error in equipment itself simultaneously, superpose with the error existed during operating personnel's identification data, considerable influence can be produced to SPD qualification rate, effectively can not judge whether the performance of SPD meets the requirements, error rate is high, can not guarantee the performance of SPD product.
Summary of the invention
The object of the invention is to the problems referred to above existed in performance test process for SPD, provide a kind of SPD electric current thunderbolt automatization test system, this test macro is mainly used in the performance test realizing two kinds of different batches SPD, simple to operate, testing efficiency is high, labour intensity is low.
Technical scheme of the present invention is:
A kind of SPD electric current thunderbolt automatization test system, comprises control desk and test board, is provided with industrial computer and carries out with industrial computer the PLC that communicates in control desk stage body; Test board comprises test stage body, is arranged on the gearing tested on stage body and the dash current device being arranged on test board stage body bottom, the travelling belt that gearing comprises track, driving mechanism and is connected with driving mechanism, test board stage body is provided with workpiece district to be measured, test section and pickup district on the surface, and track runs through workpiece district to be measured, test section and pickup district; The bottom of test board stage body is provided with solenoid valve, is provided with test station and mechanism for testing in test section, and test station is positioned at above track, and test station place is provided with displacement transducer, and displacement transducer is electrically connected with PLC.
Preferably, driving mechanism comprises buncher, is arranged on the driving wheel of test stage body workpiece district to be measured inlet end and is arranged on the engaged wheel of test stage body pickup district endpiece, buncher is connected with driving wheel by Timing Belt, driving wheel is by being connected with engaged wheel for the travelling belt placing test piece, and travelling belt is positioned at track.
Preferably, workpiece is provided with cylinder gate in district to be measured, cylinder gate is provided with stop cylinder, stops that cylinder is electrically connected with PLC by solenoid valve, and the piston rod of stop cylinder is provided with separator.
Preferably, test section comprises the first test section and the second test section, be provided with test station, mechanism for testing and lifting stop cylinder in first test section and the second test section, test station is positioned at the top of track, and lifting stops that cylinder is electrically connected with PLC by solenoid valve.
Preferably, the mechanism for testing of the first test section is two groups of tested cylinder be electrically connected with PLC by solenoid valve, and two groups of tested cylinder lay respectively at the both sides of test station, and is arranged on test board stage body surface by fixing cushion block; The lifting of the first test section stops that cylinder is fixed on test board stage body bottom surface by fixed block.
Preferably, two groups of tested cylinder are parallel on solenoid valve, and the piston rod often organizing tested cylinder is all provided with electrode tip folder, and on electrode tip folder, clamping is provided with test electrode head, and test electrode head is electrically connected with PLC by dash current device; Tested cylinder is electrically connected with PLC by solenoid valve.
Preferably, the mechanism for testing of the second test section comprises fixed block and is arranged on the electrode tip holder on fixed block, fixed block is arranged on test board stage body surface by fixed mechanism, electrode tip holder is provided with test electrode head, and test electrode head is electrically connected with PLC by dash current device; The lifting of the second test section stops that cylinder is positioned at test board stage body bottom surface.
Preferably, dash current device comprises impulse current generator and shunt, impulse current generator is connected with rectifier charging device and dash current adjusting component for impulse, rectifier charging device and impulse current generator are electrically connected with PLC respectively, and shunt is connected with product to be tested respectively by the test electrode head in test section with dash current adjusting component for impulse; Shunt is connected with PLC by the measuring system be arranged in control desk; Voltage divider is connected with between PLC and dash current adjusting component for impulse.
Preferably, pickup district is provided with pick-off unit and pushing device, and pick-off unit is arranged on test section endpiece, and pushing device is arranged on travelling belt output terminal; Pick-off unit comprises column, is arranged on the base on column top, slide block mechanism and active cylinder, slide block mechanism is arranged on base, active cylinder is arranged on the slide block of slide block mechanism, the piston rod of active cylinder is provided with mechanical arm, and pick-off unit also comprises the lifting be arranged on below travelling belt and stops cylinder; Pushing device comprises the corniform upright column be fixed on test board stage body surface and the push piece cylinder be arranged on corniform upright column, and pushing device also comprises the lifting be arranged on below travelling belt and stops cylinder.
Preferably, control desk stage body surface is provided with the display be connected with industrial computer, and industrial computer is also connected with keyboard, mouse and oscillograph; Also be provided with data acquisition and control module and relay in control desk stage body, data acquisition and control module is electrically connected with PLC, and solenoid valve is connected with PLC by relay; Data acquisition and control module comprises analog input acquisition module, modulating output control module and digital quantity I/O control module.
Preferably, the bottom of control desk and test board is all provided with four wheels that can turn to.
Beneficial effect of the present invention is: (1) floor area of the present invention is little, long service life, lightning impulse current is detected five kinds of formal testings such as conventional 8/20 μ s, 10/350 μ s, 1.2/50 μ s and static parameter (pressure sensitive voltage Uv and leakage current Is) to be integrated in one, lightning impulse current 8/20 μ s, 10/350 μ s and 1.2/50 μ s waveform testing can be completed, possess static parameter (pressure sensitive voltage Uv and leakage current Is) measurement function simultaneously; And 100V/s can be exported SPD product is tested.(2) the present invention adopts industrial computer as host computer, and PLC, as slave computer, by the action of PLC control cylinder, and is freely switched by qigong control electrode head, realizes the continual continuous detecting of same SPD between different wave, until all waveform testing is complete; And automatic product clamping can be completed, automatically carry out lightning impulse test, autoscan information, automatically read waveform, automatic data processing, automatically preserve form etc.(3) the present invention controls automatically to complete test process by industrial computer and PLC, test accurately, test duration is short, and 36 seconds used times just can complete the integrated testability of five kinds of waveforms of separate unit SPD, and all test datas to be all recorded in industrial computer and to divide certified products and defective products with different chromatic zoneses; When running into detection defective products, equipment can be pointed out, and simultaneously by the action of PLC control cylinder, controls mechanical arm defective products is placed to individual region by active cylinder; When Product checking is qualified, industrial computer also can identify automatically, flow to subsequent work region, improve testing efficiency by the streamline of equipment self, and complete reflects True Data.(4) with traditional multiple stage independently checkout equipment carry out compared with test, efficiency improves more than 150 doubly, and one, two tester can complete test job, and cost of labor reduces greatly.(5) the present invention also can carry out bar code or Quick Response Code scanning, also configurable Quick Response Code spray printing and scanning system.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the present invention is further described:
Fig. 1 is the structural representation of one embodiment of the present invention.
Fig. 2 is the planar structure principle schematic of Fig. 1 mode.
Fig. 3 is the schematic block diagram of control system in the present invention.
Fig. 4 is the schematic block diagram of dash current device in the present invention.
Embodiment
Composition graphs 1, Fig. 2, Fig. 3 and Fig. 4, a kind of SPD electric current thunderbolt automatization test system, this system comprises control desk and test board, is provided with industrial computer and carries out with industrial computer the PLC that communicates in control desk stage body; Test board comprises test stage body 1, is arranged on the gearing tested on stage body 1 and the dash current device being arranged on test board stage body bottom, the travelling belt 3 that gearing comprises track 2, driving mechanism and is connected with driving mechanism, test board stage body is provided with workpiece district to be measured, test section and pickup district on the surface, and track 2 runs through workpiece district to be measured, test section and pickup district; The bottom of test board stage body is provided with solenoid valve, is provided with test station and mechanism for testing in test section, and test station is positioned at above the track 2 of gearing, and test station place is provided with displacement transducer, and displacement transducer is electrically connected with PLC.
Normally run to realize travelling belt, above-mentioned driving mechanism comprises buncher 4, is arranged on the driving wheel of test stage body workpiece district to be measured inlet end and is arranged on the engaged wheel of test stage body pickup district endpiece, buncher 4 is connected with driving wheel by Timing Belt, and driving wheel is connected with engaged wheel by travelling belt 3; Travelling belt 3 is positioned at track 2, for placing test piece, realizes the transport of test piece.
When detecting, in order to avoid test block and test specimen to be measured are in order to separate test block and to be measured, workpiece is provided with cylinder gate 5 in district to be measured, cylinder gate 5 is provided with and stops cylinder 6, stop that cylinder 6 is electrically connected with PLC by solenoid valve, the piston rod of stop cylinder 6 is provided with separator.
In order to realize the performance test of product, above-mentioned test section comprises the first test section and the second test section, test station, mechanism for testing and lifting stop cylinder is provided with in first test section and the second test section, test station is positioned at the top of track 2, and lifting stops that cylinder is electrically connected with PLC by solenoid valve.Wherein, the first test section may be used for the performance test of the first product, and the second test section may be used for the performance test of the second product.
In order to realize the performance test of the first product, the mechanism for testing of the first test section is two groups of tested cylinder be electrically connected with PLC by solenoid valve, and two groups of tested cylinder lay respectively at the both sides of test station, and is arranged on test board stage body surface by fixing cushion block; The lifting of the first test section stops that cylinder 8 is fixed on test board stage body bottom surface by fixed block
Above-mentioned two groups of tested cylinder 7 are parallel on solenoid valve, and the piston rod often organizing tested cylinder is all provided with electrode tip folder, and on electrode tip folder, clamping is provided with test electrode head, and test electrode head is electrically connected with PLC by dash current device; Tested cylinder 7 is electrically connected with PLC by solenoid valve.
In order to realize the performance test of the second product, the mechanism for testing of the second test section comprises fixed block and is arranged on the electrode tip holder on fixed block, fixed block is arranged on test board stage body surface by fixed mechanism, electrode tip holder is provided with test electrode head, test electrode head is electrically connected with PLC by dash current device; The lifting of the second test section stops that cylinder 9 is positioned at test board stage body bottom surface.
In order to realize the performance test of product to be tested, above-mentioned dash current device comprises impulse current generator and shunt, impulse current generator is connected with rectifier charging device and dash current adjusting component for impulse, rectifier charging device and impulse current generator are electrically connected with PLC respectively, and shunt is connected with product to be tested respectively by the test electrode head in test section with dash current adjusting component for impulse; Shunt is connected with PLC by the measuring system be arranged in control desk; Voltage divider is connected with between PLC and dash current adjusting component for impulse.
For the ease of being separated the different SPD of two kinds of profiles, above-mentioned pickup district is provided with pick-off unit and pushing device, and pick-off unit is arranged on test section endpiece, for the first substandard product of gripping, pushing device is arranged on travelling belt 3 output terminal, for pushing the second substandard product; Pick-off unit comprises column, is arranged on the base on column top, slide block mechanism and active cylinder 10, slide block mechanism is arranged on base, active cylinder 10 is arranged on the slide block of slide block mechanism, the piston rod of active cylinder 10 is provided with mechanical arm, and pick-off unit also comprises the lifting be arranged on below travelling belt 4 and stops cylinder 11; Pushing device comprises the corniform upright column be fixed on test board stage body surface and the push piece cylinder 12 be arranged on corniform upright column, and pushing device also comprises the lifting be arranged on below travelling belt 3 and stops cylinder 13.
The SPD of test passes will be transported to finished product district with travelling belt 3.
Control desk stage body surface is provided with the display be connected with industrial computer, and industrial computer is also connected with keyboard, mouse and oscillograph; Also be provided with data acquisition and control module and relay in control desk stage body, data acquisition and control module is electrically connected with PLC, and solenoid valve is connected with PLC by relay; Data acquisition and control module comprises analog input acquisition module, modulating output control module and digital quantity I/O control module.
For the ease of mobile console and test board, the bottom of above-mentioned control desk and test board is all provided with four wheels that can turn to.
Principle of work: during work, the unlike signal that industrial computer is detected by PLC collecting test district intrinsic displacement sensor and check point, PLC identifies the product batches that will test automatically, and judge that use first test section or the second test section are tested, it is current that workpiece district to be measured stops that cylinder activation power supply stops workpiece to continue, simultaneously, it is out of service that travelling belt obtains signal, test section tested cylinder starts test, PLC controls the work of dash current device, rectification charging is carried out by rectifier charging device, automatically stop after reaching charging setting value, after impulse current generator and the adjustment of dash current adjusting component for impulse, automatic discharging shock-testing product are started by electrode tip, calculate data by industrial computer simultaneously, and send data to PLC, judge that whether product is qualified, if defective, workpiece walks to pickup district, when the displacement transducer of corresponding product kind detects signal, by cylinder action by workpiece holding or be pushed to defective rest area, certified products will be let pass to finished product district in succession by travelling belt.
The relevant technologies content do not addressed in aforesaid way is taked or uses for reference prior art to realize.
It should be noted that, under the instruction of this instructions, those skilled in the art can also make such or such easy variation pattern, such as equivalent way, or obvious mode of texturing.Above-mentioned variation pattern all should within protection scope of the present invention.
Claims (6)
1. a SPD electric current thunderbolt automatization test system, is characterized in that: comprise control desk and test board, is provided with industrial computer and carries out with industrial computer the PLC that communicates in control desk stage body; Test board comprises test stage body, is arranged on the gearing tested on stage body and the dash current device being arranged on test board stage body bottom, the travelling belt that gearing comprises track, driving mechanism and is connected with driving mechanism, test board stage body is provided with workpiece district to be measured, test section and pickup district on the surface, and track runs through workpiece district to be measured, test section and pickup district; The bottom of test board stage body is provided with solenoid valve, is provided with test station and mechanism for testing in test section, and test station is positioned at above track, and test station place is provided with displacement transducer, and displacement transducer is electrically connected with PLC;
Described driving mechanism comprises buncher, is arranged on the driving wheel of test stage body workpiece district to be measured inlet end and is arranged on the engaged wheel of test stage body pickup district endpiece, buncher is connected with driving wheel by Timing Belt, driving wheel is by being connected with engaged wheel for the travelling belt placing test piece, and travelling belt is positioned at track;
Described workpiece is provided with cylinder gate in district to be measured, cylinder gate is provided with stop cylinder, stops that cylinder is electrically connected with PLC by solenoid valve, and the piston rod of stop cylinder is provided with separator;
Described test section comprises the first test section and the second test section, test station, mechanism for testing and lifting stop cylinder is provided with in first test section and the second test section, test station is positioned at the top of track, and lifting stops that cylinder is electrically connected with PLC by solenoid valve;
The mechanism for testing of described first test section is two groups of tested cylinder be electrically connected with PLC by solenoid valve, and two groups of tested cylinder lay respectively at the both sides of test station, and is arranged on test board stage body surface by fixing cushion block; The lifting of the first test section stops that cylinder is fixed on test board stage body bottom surface by fixed block.
2. a kind of SPD electric current thunderbolt automatization test system according to claim 1, it is characterized in that: described two groups of tested cylinder are parallel on solenoid valve, the piston rod often organizing tested cylinder is all provided with electrode tip folder, on electrode tip folder, clamping is provided with test electrode head, and test electrode head is electrically connected with PLC by dash current device; Tested cylinder is electrically connected with PLC by solenoid valve.
3. a kind of SPD electric current thunderbolt automatization test system according to claim 1, it is characterized in that: the mechanism for testing of described second test section comprises fixed block and is arranged on the electrode tip holder on fixed block, fixed block is arranged on test board stage body surface by fixed mechanism, electrode tip holder is provided with test electrode head, test electrode head is electrically connected with PLC by dash current device; The lifting of the second test section stops that cylinder is positioned at test board stage body bottom surface.
4. a kind of SPD electric current thunderbolt automatization test system according to claim 1, it is characterized in that: described dash current device comprises impulse current generator and shunt, impulse current generator is connected with rectifier charging device and dash current adjusting component for impulse, rectifier charging device and impulse current generator are electrically connected with PLC respectively, and shunt is connected with product to be tested respectively by the test electrode head in test section with dash current adjusting component for impulse; Shunt is connected with PLC by the measuring system be arranged in control desk; Voltage divider is connected with between PLC and dash current adjusting component for impulse.
5. a kind of SPD electric current thunderbolt automatization test system according to claim 1, is characterized in that: described pickup district is provided with pick-off unit and pushing device, and pick-off unit is arranged on test section endpiece, and pushing device is arranged on travelling belt output terminal; Pick-off unit comprises column, is arranged on the base on column top, slide block mechanism and active cylinder, slide block mechanism is arranged on base, active cylinder is arranged on the slide block of slide block mechanism, the piston rod of active cylinder is provided with mechanical arm, and pick-off unit also comprises the lifting be arranged on below travelling belt and stops cylinder; Pushing device comprises the corniform upright column be fixed on test board stage body surface and the push piece cylinder be arranged on corniform upright column, and pushing device also comprises the lifting be arranged on below travelling belt and stops cylinder.
6. a kind of SPD electric current thunderbolt automatization test system according to claim 1, is characterized in that: described control desk stage body surface is provided with the display be connected with industrial computer, and industrial computer is also connected with keyboard, mouse and oscillograph; Also be provided with data acquisition and control module and relay in control desk stage body, data acquisition and control module is electrically connected with PLC, and solenoid valve is connected with PLC by relay; Data acquisition and control module comprises analog input acquisition module, modulating output control module and digital quantity I/O control module.
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CN201210593861.6A CN103018644B (en) | 2012-12-29 | 2012-12-29 | Automatic SPD (surge protective device) lightning stroke current testing system |
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CN201210593861.6A CN103018644B (en) | 2012-12-29 | 2012-12-29 | Automatic SPD (surge protective device) lightning stroke current testing system |
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CN103018644B true CN103018644B (en) | 2014-12-17 |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103457486B (en) * | 2013-09-09 | 2015-09-09 | 青岛纳川电气科技有限公司 | Stream DC power supply is adjusted in the pressure regulation with anti-lightning strike Anti-surging function |
CN104020322B (en) * | 2014-06-12 | 2017-02-15 | 山东大学 | Manual lightning stroke simulating test fixture made of fiber reinforced composite material, and method |
CN105548737A (en) * | 2015-11-30 | 2016-05-04 | 合保电气(芜湖)有限公司 | Aging test device of arrester |
CN105527513A (en) * | 2015-11-30 | 2016-04-27 | 合保电气(芜湖)有限公司 | Electrical performance detector for lightning arrester |
CN107421571A (en) * | 2017-08-03 | 2017-12-01 | 合肥念萍电子商务有限公司 | Test bench for electronic appliance |
CN107621583A (en) * | 2017-09-18 | 2018-01-23 | 苏州立源信智能科技有限公司 | A kind of Automated electronic product tester |
CN108776240B (en) * | 2018-06-22 | 2020-11-13 | 湖北泰和电气有限公司 | Detector for lightning arrester |
CN109164301A (en) * | 2018-10-26 | 2019-01-08 | 惠州市新泓威科技有限公司 | Automatic resistance value detection device and detection method of electronic cigarette atomizer |
CN111687076A (en) * | 2019-03-15 | 2020-09-22 | 青岛纳川电气科技有限公司 | Automatic testing system for dynamic parameters of SPD rotating disc type impact current |
Family Cites Families (8)
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JP2794007B2 (en) * | 1994-03-11 | 1998-09-03 | パテンテス タルゴ,ソシエダッド アノニマ | Railway wheel set management station |
CN2672665Y (en) * | 2003-12-12 | 2005-01-19 | 杭州雷盾电子设备有限公司 | Detector for thunder and lighting surge |
KR100657872B1 (en) * | 2004-12-29 | 2006-12-15 | 한국전기연구원 | Temporary overvoltage test simulator of surge protective device and the control method |
CN201226015Y (en) * | 2007-05-09 | 2009-04-22 | 石磊 | Detector for surge protector |
CN202189064U (en) * | 2011-04-28 | 2012-04-11 | 上海西门子线路保护系统有限公司 | Automatic testing device |
CN202486223U (en) * | 2011-11-30 | 2012-10-10 | 上海交通大学 | Automatic SPD thermo-stable instrument based on FPGA control |
CN102806390B (en) * | 2012-08-06 | 2014-06-11 | 山东豪迈机械制造有限公司 | Motor-driven flange end surface processing tool |
CN203054164U (en) * | 2012-12-29 | 2013-07-10 | 青岛纳川电气科技有限公司 | SPD current lightning-stroke automation test system |
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