CN1560641A - Device for measuring impulse current of non-linear metal oxide resistor disc - Google Patents
Device for measuring impulse current of non-linear metal oxide resistor disc Download PDFInfo
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- CN1560641A CN1560641A CNA2004100258715A CN200410025871A CN1560641A CN 1560641 A CN1560641 A CN 1560641A CN A2004100258715 A CNA2004100258715 A CN A2004100258715A CN 200410025871 A CN200410025871 A CN 200410025871A CN 1560641 A CN1560641 A CN 1560641A
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Abstract
The invention is a impacting current testing device based on nonlinear metal oxide resistance plate, which includes a energy storing component arranged in the metal frame and waveform forming resistance, inductance, the conductive metal boards connects the electrodes of the capacitance together, the high voltage end of the capacitance is connected to the discharging device, the discharging device is connected to the high voltage end of testing electrode on the transmitting mechanism of the resistance plate, the transmitting mechanism uses step-by-step motor to drive the metal turnplate, when the resistance plate rotates the position of the clamping piece mechanism, the metal turnplate stops automatically, the piece clamping mechanism act automatically. When the piece clamping mechanism measures that there has resistance plate, the discharging gas is connected automatically, completes one discharging process. The invention has merits of automatic localization, automatic discharging, and automatic grounding functions.
Description
Technical field
The invention belongs to non-linear metal oxide resistance electric performance test device, specially refer to the proving installation of the used non-linear metal oxide resistance dash current of burning lightning arrester (MOA).
Background technology
Non-linear metal oxide resistance electric performance test device, set and to electric property be meant that mainly 8/20 μ s dash current and 2ms square-wave generator, test cell, resistor disc conveying mechanism and control module form.The resistor disc delivery mechanism of proving installation commonly used has two kinds: the one, adopt chain transmission resistor disc, the course of work is that resistor disc is placed on the insulation supporting plate of equidistantly holding the hole in advance successfully, make the electrode of test usefulness touch tested resistor disc, then the resistor disc supporting plate is put on the chain, chain is dragged by motor, when displacement transducer detects resistor disc, test electrode is once tested, an end of test (EOT), the driven by motor supporting plate takes a step forward, and tests next time ...After the test of the resistor disc on the whole supporting plate is finished, supporting plate is taken off ...The shortcoming of this method of testing is a complex structure, and efficient is low, and working strength is very big.The more original easy method of another kind is that resistor disc is placed on the round supporting plate, and the equidistant circular hole of holding successfully of supporting plate to the test electrode place, is pressed trigger button with artificial pulling supporting plate again, tests.This method measuring accuracy is poor, and test data is dispersed big, poor reliability, and be absolutely unsafe.
Summary of the invention
The object of the present invention is to provide a kind of high efficiency, high-precision, high reliability, can in big production, use based on non-linear metal oxide resistance dash current proving installation.
For achieving the above object, the technical solution used in the present invention is: comprise switch board and with joining transformer of switch board and pressure regulator, be characterized in, transformer is provided with silicon stack, silicon stack is connected with the input end of charging resistor, the capacitor support is provided with capacitor and high-field electrode that connects with capacitor electrode and low-field electrode, the output terminal and the high-field electrode of charging resistor link, also be provided with the harmonic inductance on the high-field electrode, the harmonic inductance is connected with wave regulating resistor by connecting line row, the lower end and the electric discharge device of wave regulating resistor link, electric discharge device links with the clamping sheet mechanism that is arranged on the metal rotary disk support by the soft row of connecting line, on the metal rotary disk support, also be provided with the metal rotary disk that is connected with synchronous motor, the equidistant circular hole of placing resistor disc that has on the metal rotary disk, low-field electrode is connected with shunt on being arranged on the metal rotary disk support by connecting winding displacement.
Another characteristics of the present invention are: electric discharge device comprises the ball of deciding of the discharging gap that is connected with wave regulating resistor, also be provided with in the lower end of deciding ball be connected with cylinder can with decide the contacted moving ball of ball; Clamping sheet mechanism comprises by soft row of connecting line and the joining upper clip electrode of moving ball, the upper clip electrode is connected with upper clip cylinder on being arranged on the metal rotary disk support by insulating sleeve, one end of upper clip electrode also is provided with displacement switch and switching motherboard, also be provided with limit switch on the upper clip cylinder, and the guide pole that the upper clip cylinder is led and the connecting rod of floatless switch plate, also be provided with the lower clamping piece electrode of ground connection in the lower end of upper clip electrode, the lower clamping piece electrode is connected with lower clamping piece cylinder on being arranged on the metal rotary disk support; Also be provided with buffering compression spring between the upper clip electrode of clamping sheet mechanism and the insulating sleeve; Metal rotary disk is arranged between upper clip electrode and the lower clamping piece electrode, also be provided with the insulating washer of loop configuration on the metal rotary disk in the circular hole of placement resistor disc, on insulating washer, be placed with a metal electrode, and sensing chip and sensor be installed at the correspondence position of the circular hole of placing resistor disc; Another output terminal of charging resistor also links with the high-field electrode of earthing device, also is provided with the low-field electrode of ground connection in the lower end of high-field electrode, and low-field electrode is connected with the ground connection cylinder by insulation tube; The outside of electric discharge device also is set with quieter; Also be provided with protective shield on the metal rotary disk; High-field electrode and low-field electrode are made of aluminium sheet.
Because the present invention is with energy storage component and waveform forms resistance and inductance is integrated in the metal construction framework, respectively two electrodes of capacitor are connected together with the sheet metal that conducts electricity, to reduce the inductance in loop.The electric capacity high-pressure side is connected with electric discharge device, the high-pressure side of the test on the live metal ball of electric discharge device and the clamping sheet mechanism with electrode is connected.The resistor disc conveying mechanism is to be finished by a stepper motor driven metal rotary disk, and when resistor disc turned to the position of clamping sheet mechanism, metal rotary disk stopped automatically, the clamping sheet mechanism auto-action, and electric discharge device is connected automatically, finishes the single step of releasing electric process.Station of metal rotary disk rotation, prepare discharge next time, the present invention has that rotating disk is located automatically, discharge automatically, bad sheet rejects automatically, multinomial functions such as ground connection automatically, can satisfy the demand of the big production of non-linear metal oxide resistance, it is simple in structure, easy to operate, good reliability, efficient height, can carry out dash current electric property automatic test to non-linear metal oxide resistance quickly and accurately.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention;
Fig. 2 is the structural representation of electric discharge device 51 of the present invention;
Fig. 3 is the structural representation of metal rotary disk 19 of the present invention;
Fig. 4 is the structural representation of clamping sheet mechanism 52 of the present invention;
Fig. 5 is the structural representation of earthing device 5 of the present invention.
Specific embodiments
Below in conjunction with accompanying drawing structural principle of the present invention and principle of work are described further.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 5, the present invention includes switch board 50 and with switch board 50 joining transformer 3 and pressure regulators 4, in switch board 50, be provided with the control module 1 and the peak-reading voltmeter 2 of control pressure regulator 4, transformer 3 is provided with silicon stack 6, silicon stack 6 is connected with the input end of charging resistor 7, one output terminal of charging resistor 7 and the high-field electrode 48 of earthing device 5 link, also be provided with the low-field electrode 47 of ground connection in the lower end of high-field electrode 48, low-field electrode 47 is connected with ground connection cylinder 45 by insulation tube 46, the high-field electrode 12 and the low-field electrode 11 that constitute by aluminium sheet that capacitor support 14 is provided with capacitor 13 and electrically connects with capacitor 13, another output terminal and the high-field electrode 12 of charging resistor 7 link, also be provided with harmonic inductance 9 on the high-field electrode 12, harmonic inductance 9 is connected with wave regulating resistor 8 by connecting line row 10, the lower end of wave regulating resistor 8 is connected with the ball 23 of deciding of discharging gap, also be provided with in the lower end of deciding ball 23 by insulating sleeve 21 be connected with cylinder 20 can with decide ball 23 contacted moving balls 22, the outside of deciding ball 23 and moving ball 22 also is set with quieter 24.Moving ball 22 links by the clamping sheet mechanism 52 on soft row 15 of connecting line and the metal rotary disk support 49, on metal rotary disk support 49, also be provided with and synchronous motor 33 joining metal rotary disk 19, be connected with pinion wheel 32 by one group of gear wheel that is meshed mutually 34 between metal rotary disk 19 and the synchronous motor 33, the equidistant circular hole of placing resistor disc 26 that has on metal rotary disk 19, be placed with the insulating washer 27 of loop configuration on the metal rotary disk 19 in the circular hole of placement resistor disc 26, on insulating washer 27, be placed with a metal electrode 25, sensing chip 36 and sensor 35 are installed in the position of circular hole correspondence, when sensor 35 received signal, synchronous motor 33 stopped operating.Also be provided with protective shield 18 on metal rotary disk 19, low-field electrode 11 is connected with shunt 17 on being arranged on metal rotary disk support 49 by connecting winding displacement 16.Shunt 17, pressure regulator 4 are transferred to peak-reading voltmeter 2 with the signal that collects by high frequency cable, in order to show the electric property of detected non-linear metal oxide resistance.
Referring to Fig. 4, clamping sheet mechanism 52 comprises through soft row 15 of connecting line and moving ball 22 joining upper clip electrodes 37, upper clip electrode 37 is connected with upper clip cylinder 31 on being arranged on metal rotary disk support 49 by insulating sleeve 38, between upper clip electrode 37 and insulating sleeve 38, buffering compression spring 42 is housed, with the impact of avoiding when upper clip cylinder 31 moves, producing, also be provided with limit switch 39 on the upper clip cylinder 31, and the guide pole 40 that upper clip cylinder 31 is led and the connecting rod 41 of floatless switch plate 44, limit switch 39 is used for detecting upper clip electrode 37 and has or not with resistor disc 26 and contact, the operation of 40 pairs of upper clip cylinders 31 of guide pole is led, and connecting rod 41 is used for fixing switching motherboard 44.Also be provided with the lower clamping piece electrode 30 of ground connection in the lower end of upper clip electrode 37, lower clamping piece electrode 30 is connected with lower clamping piece cylinder 28 on being arranged on metal rotary disk support 49 by insulating sleeve 29, and metal rotary disk 19 is arranged between upper clip electrode 37 and the lower clamping piece electrode 30.Control module 1 in the switch board 50 of the present invention adopts PLC to control as action sequence, the impulse capacitor 13 of impulse current generator charges through pressure regulator 4-depressor 3-silicon stack 6-charging resistor 7, when charging voltage reaches the value that sets, the voltage comparator action, by PLC cylinder 20 is sent instruction, simultaneously when metal rotary disk 19 rotates to station, upper clip cylinder 31 and lower clamping piece cylinder 28 move simultaneously, and when upper clip electrode 37 detects resistor disc 26, compression spring 42 produces displacement, displacement switch 43 touches switching motherboard 44, trigger displacement switch 43 and provide signal, cylinder 20 actions, the moving ball 22 of discharging gap with decide ball 23 and join, the single step of releasing electric process is finished in the discharging gap short circuit.Therefore just guaranteed under the situation of the no test product of open circuit, can not produce impulsive discharge; The 2nd, automatic ground protection function: this function is finished by automatic earthing device 5, automatically the high-field electrode 48 of earthed system is connected with charging resistor 7, the direct ground connection of low-field electrode, ground connection cylinder 45 is connected with earthed system low-field electrode 47 by insulation tube, when test macro breaks down or tests when stopping, ground connection cylinder 45 carries out short circuit with the electric charge of impulse capacitor 13 by test macro charging resistor 7, with the energy of a charge release of impulse capacitor 13, with true operator's safety; The 3rd, the protection of high-voltage great-current discharge environment: in order to reduce high-voltage discharge is the noise that produces, and quieter 24 is installed to improve operation with high pressure person's working environment.
Claims (9)
1, based on non-linear metal oxide resistance dash current proving installation, comprise switch board [50] and with joining transformer of switch board [50] [3] and pressure regulator [4], it is characterized in that: transformer [3] is provided with silicon stack [6], silicon stack [6] is connected with the input end of charging resistor [7], high-field electrode [12] and low-field electrode [11] that capacitor support [14] is provided with capacitor [13] and electrically connects with capacitor [13], the output terminal of charging resistor [7] and high-field electrode [12] link, also be provided with harmonic inductance [9] on the high-field electrode [12], harmonic inductance [9] is connected with wave regulating resistor [8] by connecting line row [10], the lower end of wave regulating resistor [8] and electric discharge device [51] link, electric discharge device [51] links with the clamping sheet mechanism [52] that is arranged on the metal rotary disk support [49] by the soft row of connecting line [15], on metal rotary disk support [49], also be provided with the metal rotary disk [19] that is connected with synchronous motor [33], metal rotary disk [19] goes up the equidistant circular hole of placing resistor disc [26] that has, and low-field electrode [11] is connected with shunt [17] on being arranged on metal rotary disk support [49] by connection winding displacement [16].
2, according to claim 1 based on non-linear metal oxide resistance dash current proving installation, it is characterized in that: what said electric discharge device [51] comprised the discharging gap that is connected with wave regulating resistor [8] decides ball [23], also be provided with in the lower end of deciding ball [23] be connected with cylinder [20] can with decide the contacted moving ball of ball [23] [22].
3, according to claim 1 based on non-linear metal oxide resistance dash current proving installation, it is characterized in that: said clamping sheet mechanism [52] comprises by soft row of connecting line [15] and the joining upper clip electrode of moving ball [22] [37], upper clip electrode [37] is connected with upper clip cylinder [31] on being arranged on metal rotary disk support [49] by insulating sleeve [38], one end of upper clip electrode [37] also is provided with displacement switch [43] and switching motherboard [44], also be provided with limit switch [39] on the upper clip cylinder [31], and the guide pole [40] that upper clip cylinder [31] is led and the connecting rod [41] of floatless switch plate [44], also be provided with the lower clamping piece electrode [30] of ground connection in the lower end of upper clip electrode [37], lower clamping piece electrode [30] is connected with lower clamping piece cylinder [28] on being arranged on metal rotary disk support [49].
4, according to claim 3 based on non-linear metal oxide resistance dash current proving installation, it is characterized in that: also be provided with buffering compression spring [42] between the upper clip electrode [37] of said clamping sheet mechanism [52] and the insulating sleeve [38].
5, described according to claim based on non-linear metal oxide resistance dash current proving installation, it is characterized in that: said metal rotary disk [19] is arranged between upper clip electrode [37] and the lower clamping piece electrode [30], metal rotary disk [19] goes up the insulating washer [27] that also is provided with loop configuration in the circular hole of placing resistor disc [26], on insulating washer [27], be placed with a metal electrode [25], and sensing chip [36] and sensor [35] be installed at the correspondence position of the circular hole of placing resistor disc [26].
6, according to claim 1 based on non-linear metal oxide resistance dash current proving installation, it is characterized in that: another output terminal of said charging resistor [7] also links with the high-field electrode [48] of earthing device [5], also be provided with the low-field electrode [47] of ground connection in the lower end of high-field electrode [48], low-field electrode [47] is connected with ground connection cylinder [45] by insulation tube [46].
7, according to claim 1 based on non-linear metal oxide resistance dash current proving installation, it is characterized in that: the outside of said electric discharge device [51] also is set with quieter [24].
8, according to claim 1 based on non-linear metal oxide resistance dash current proving installation, it is characterized in that: also be provided with protective shield [18] on the said metal rotary disk [19].
9, according to claim 1 based on non-linear metal oxide resistance dash current proving installation, it is characterized in that: said high-field electrode [12] and low-field electrode [11] are made of aluminium sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410025871 CN1253721C (en) | 2004-02-16 | 2004-02-16 | Device for measuring impulse current of non-linear metal oxide resistor disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410025871 CN1253721C (en) | 2004-02-16 | 2004-02-16 | Device for measuring impulse current of non-linear metal oxide resistor disc |
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| Publication Number | Publication Date |
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| CN1560641A true CN1560641A (en) | 2005-01-05 |
| CN1253721C CN1253721C (en) | 2006-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410025871 Expired - Fee Related CN1253721C (en) | 2004-02-16 | 2004-02-16 | Device for measuring impulse current of non-linear metal oxide resistor disc |
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| CN101598757B (en) * | 2009-07-14 | 2011-03-16 | 中国电力科学研究院 | Residual voltage test circuit of controllable metal oxide arrester and method thereof |
| CN102539962A (en) * | 2011-12-21 | 2012-07-04 | 南阳金冠电气有限公司 | Method for measuring non-uniform current distribution coefficient range of parallel multi-resistor piles |
| CN102565580A (en) * | 2011-12-21 | 2012-07-11 | 南阳金冠电气有限公司 | Measurement method of coefficient of uniformity of current distribution of multi-column parallel resistance chip columns |
| CN104914317A (en) * | 2015-05-12 | 2015-09-16 | 西安交通大学 | Method used for measuring capacitance value of zinc oxide varistor applied to arrester |
| CN105158572A (en) * | 2015-07-28 | 2015-12-16 | 西安交通大学 | Carbon fiber composite impedance characteristic measuring method and measuring apparatus under nondestructive lightning current effect |
| CN105300583A (en) * | 2015-09-11 | 2016-02-03 | 西安交通大学 | Carbon fiber composite material impact force measuring device and method |
| CN105699800A (en) * | 2014-12-09 | 2016-06-22 | 阿斯科动力科技公司 | Method of Detecting Metal Oxide Varistor (MOV) Failure Within a Surge Protection Device |
| CN106546864A (en) * | 2016-09-23 | 2017-03-29 | 清华大学 | A kind of variable temperature measurement device of simple ZnO resistors valve block electric parameter |
| CN107876433A (en) * | 2017-10-18 | 2018-04-06 | 南阳金牛电气有限公司 | A kind of screening technique of non linear metal oxide resistor piece energy tolerance |
| CN108919010A (en) * | 2018-08-02 | 2018-11-30 | 中国石油天然气集团有限公司 | Oil tank thunder and lightning splitter performance detecting system and method |
| CN109444681A (en) * | 2018-11-02 | 2019-03-08 | 国网辽宁省电力有限公司丹东供电公司 | One kind being mounted on Suspension type remote control high-potting discharging grounding device in grading shield |
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| CN111115286A (en) * | 2019-12-21 | 2020-05-08 | 江苏达晨冠图电气科技有限公司 | Automatic test production line for zinc oxide resistance card with high work smoothness |
| CN112763869A (en) * | 2020-12-26 | 2021-05-07 | 扬州市达晨电气设备有限公司 | High-voltage equipment test discharge frame structure and use method thereof |
| CN113782287A (en) * | 2021-07-22 | 2021-12-10 | 西安交通大学 | Controllable lightning arrester of trigger type overvoltage control switch with field distortion structure |
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2004
- 2004-02-16 CN CN 200410025871 patent/CN1253721C/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101598757B (en) * | 2009-07-14 | 2011-03-16 | 中国电力科学研究院 | Residual voltage test circuit of controllable metal oxide arrester and method thereof |
| CN102539962A (en) * | 2011-12-21 | 2012-07-04 | 南阳金冠电气有限公司 | Method for measuring non-uniform current distribution coefficient range of parallel multi-resistor piles |
| CN102565580A (en) * | 2011-12-21 | 2012-07-11 | 南阳金冠电气有限公司 | Measurement method of coefficient of uniformity of current distribution of multi-column parallel resistance chip columns |
| CN102539962B (en) * | 2011-12-21 | 2014-02-26 | 南阳金冠电气有限公司 | Method for measuring non-uniform current distribution coefficient range of parallel multi-resistor piles |
| CN102565580B (en) * | 2011-12-21 | 2014-02-26 | 南阳金冠电气有限公司 | Measurement method of coefficient of uniformity of current distribution of multi-column parallel resistance chip columns |
| CN105699800A (en) * | 2014-12-09 | 2016-06-22 | 阿斯科动力科技公司 | Method of Detecting Metal Oxide Varistor (MOV) Failure Within a Surge Protection Device |
| CN104914317B (en) * | 2015-05-12 | 2017-08-15 | 西安交通大学 | A kind of method for measuring arrester zinc oxide resistance sheet capacitance |
| CN104914317A (en) * | 2015-05-12 | 2015-09-16 | 西安交通大学 | Method used for measuring capacitance value of zinc oxide varistor applied to arrester |
| CN105158572A (en) * | 2015-07-28 | 2015-12-16 | 西安交通大学 | Carbon fiber composite impedance characteristic measuring method and measuring apparatus under nondestructive lightning current effect |
| CN105158572B (en) * | 2015-07-28 | 2018-02-27 | 西安交通大学 | The lower impedance operator measuring method of carbon fibre composite non-destructive lightning current effect and measurement apparatus |
| CN105300583A (en) * | 2015-09-11 | 2016-02-03 | 西安交通大学 | Carbon fiber composite material impact force measuring device and method |
| CN105300583B (en) * | 2015-09-11 | 2017-10-20 | 西安交通大学 | A kind of impact force measurements device and method of carbon fibre composite |
| CN106546864A (en) * | 2016-09-23 | 2017-03-29 | 清华大学 | A kind of variable temperature measurement device of simple ZnO resistors valve block electric parameter |
| CN107876433A (en) * | 2017-10-18 | 2018-04-06 | 南阳金牛电气有限公司 | A kind of screening technique of non linear metal oxide resistor piece energy tolerance |
| CN107876433B (en) * | 2017-10-18 | 2019-08-06 | 南阳金牛电气有限公司 | A kind of screening technique of non linear metal oxide resistor piece energy tolerance |
| CN108919010A (en) * | 2018-08-02 | 2018-11-30 | 中国石油天然气集团有限公司 | Oil tank thunder and lightning splitter performance detecting system and method |
| CN109444681A (en) * | 2018-11-02 | 2019-03-08 | 国网辽宁省电力有限公司丹东供电公司 | One kind being mounted on Suspension type remote control high-potting discharging grounding device in grading shield |
| CN109884539A (en) * | 2019-02-25 | 2019-06-14 | 安徽瑞达机械有限公司 | A kind of charge and discharge electric detection means of lithium battery group |
| CN111115286A (en) * | 2019-12-21 | 2020-05-08 | 江苏达晨冠图电气科技有限公司 | Automatic test production line for zinc oxide resistance card with high work smoothness |
| CN112763869A (en) * | 2020-12-26 | 2021-05-07 | 扬州市达晨电气设备有限公司 | High-voltage equipment test discharge frame structure and use method thereof |
| CN113782287A (en) * | 2021-07-22 | 2021-12-10 | 西安交通大学 | Controllable lightning arrester of trigger type overvoltage control switch with field distortion structure |
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| CN1253721C (en) | 2006-04-26 |
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