CN105259445A - Automatic test device of zinc oxide arrester with voltage of 35kV and less than 35kV and operation method thereof - Google Patents
Automatic test device of zinc oxide arrester with voltage of 35kV and less than 35kV and operation method thereof Download PDFInfo
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- CN105259445A CN105259445A CN201510735736.8A CN201510735736A CN105259445A CN 105259445 A CN105259445 A CN 105259445A CN 201510735736 A CN201510735736 A CN 201510735736A CN 105259445 A CN105259445 A CN 105259445A
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- oxide arrester
- zinc
- held controller
- automatic test
- electric pressure
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Abstract
The invention relates to an automatic test device of zinc oxide arrester with voltage of 35kV and less than 35kV and an operation method thereof. The automatic test device comprises a handheld controller and a high voltage test bench. The high voltage test bench comprises a voltage conversion module, a control module and a communication module, which are successively connected. The handheld controller is connected with the high voltage test bench via a fiber. A photoelectric converter 1 is arranged in the handheld controller. A photoelectric controller 2 is arranged in the communication module. According to the invention, the high voltage test bench is connected with the handheld controller via the fiber and a tester is not in electric connection with the high voltage test bench, so security threats to the tester posed by induced electricity and electricity leakage are eliminated; safety of tests is improved; optical signals are free from effects of electromagnetic environment of a test site; and data is transmitted more precisely and stably.
Description
Technical field
The present invention relates to a kind of 35kV and following electric pressure Zinc-Oxide Arrester Automatic Test Equipment and operation method thereof, belong to arrester checks equipment technical field.
Background technology
Along with the quickening of power grid construction and the improvement of power equipment material, zinc oxide material lightning arrester becomes domestic the most widely used lightning arrester, uses zinc oxide arrester tester to carry out voltage U under direct current 1mA to lightning arrester
1mAand 0.75U
1mAthe periodic measurement of lower leakage current is the main means of inspection lightning arrester running status.
Zinc oxide arrester tester device is the instrumentation detecting the operating every alternating electric parameter of Zinc-Oxide Arrester.There is following problem in zinc oxide arrester tester in the market:
(1) between the control box of tester and high voltage direct current generator adopt cable or wireless transmission connected mode, p-wire uses rear easy breakage, distortion for a long time, affects test result more.Meanwhile, during test lightning arrester, voltage is up to tens of kilovolt, and add operational outfit impact around, electromagnetic environment is comparatively complicated, uses wireless connections easily to affect by periphery electromagnetic environment, causes signal transmission unstable.
(2), during site test, 35kV and following small size lightning arrester are not tested with base, and fixing lightning arrester is comparatively difficult.
(3) need manual voltage boosting during test, cause boosting precision not high, and have certain potential safety hazard.
(4) existing tester does not have data storage function, needs clerking, loses time, inefficiency.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of 35kV and following electric pressure Zinc-Oxide Arrester Automatic Test Equipment;
Present invention also offers the operation method of above-mentioned a kind of 35kV and following electric pressure Zinc-Oxide Arrester Automatic Test Equipment;
Technical scheme of the present invention is:
A kind of 35kV and following electric pressure Zinc-Oxide Arrester Automatic Test Equipment, comprise hand-held controller and high-potting platform, described high-potting platform comprises the voltage transformation module, control module and the communication module that connect successively;
Described voltage transformation module, converts 220V low pressure industrial frequency AC to 1kV-90kV high voltage direct current;
Described control module, controls the start and stop of described voltage transformation module, and the voltage value that the overall process of digital collection boosting and step-down produces;
Described communication module, for realizing exchanges data;
Described hand-held controller, by high-potting platform described in Fiber connection, is provided with photoelectric commutator one, is provided with photoelectric commutator two in described communication module in described hand-held controller.
Transform electrical signals is become light signal by described photoelectric commutator one and described photoelectric commutator two, is transmitted by described optical fiber.
The advantage herein designed is, Fiber connection is used between high-potting platform and hand-held controller, tester and high-potting platform are without electrical connection, eliminate induced electricity, drain conditions to the security threat of tester, improve the security of test, light signal is the on-the-spot electromagnetic environmental impact of tested person not, and data transmission is more accurate, stable.
Preferred according to the present invention, the length of described optical fiber is (5-15) m, further preferably, and 10m.
The advantage herein designed is, decreases the attenuation effect of light signal, and demand put by safe distance when can meet Zinc-Oxide Arrester on-the-spot test completely and instrument.
Preferred according to the present invention, described high-potting platform is embedded with mount pad, and the mount pad slot that described mount pad comprises annular and several fastening springs be connected with described mount pad slot, be provided with induction type annular luminous pipe in described mount pad slot.
During use, inserted by Zinc-Oxide Arrester in mount pad slot, the root of Zinc-Oxide Arrester is fixed by several fastening springs, and when high-field electrode output voltage is more than 1kV, induction type annular luminous pipe sends ruddiness, and prompting high-potting platform works.
Metab is connected with earth terminal, ground electrode when testing as Zinc-Oxide Arrester, and Zinc-Oxide Arrester connects voltage transformation module lead-out terminal, high-field electrode when testing as Zinc-Oxide Arrester by high-field electrode lead-in wire.
Preferred according to the present invention, described high-potting platform is also provided with heat radiator.
Preferred according to the present invention, described voltage transformation module comprises rectification filtering unit, modulating unit and voltage multiplying rectifier unit; Described control module comprises high speed microprocessor, storage unit.
Preferred according to the present invention, the capacity that arranges in described hand-held controller is 100G hard disk, and USB port is housed.
The advantage herein designed is, conveniently realizes the storage of data, transfer.
Preferred according to the present invention, described hand-held controller is flat touch control structure.
The advantage herein designed is, facilitates tester to select test mode, simple to operation.
Preferred according to the present invention, the model of described hand-held controller is KPC-101A, the model AST-90M of described high-potting platform.
Preferred according to the present invention, the model of described communication module is profibus, and the model of described rectification filtering unit is BM10M, and the model of described high speed microprocessor is Maxim8051.
The operation method of above-mentioned Automatic Test Equipment, concrete steps comprise:
(1) test Zinc-Oxide Arrester electric pressure and test event is selected by described hand-held controller, hand-held controller is according to the test Zinc-Oxide Arrester electric pressure selected and test event, send and trigger electric signal accordingly, and by described photoelectric commutator one, described triggering electric signal is converted to light signal;
(2) step (1) described light signal is transmitted through the fiber to described photoelectric commutator two;
(3) described photoelectric commutator two converts step (1) described light signal to electric signal, this electric signal trigger voltage modular converter, industrial frequency AC 220V low pressure is converted to the corresponding high voltage direct current within the scope of 1kV-90kV, complete boosting and the pressure reduction of test, in test process, the voltage that described control module real-time digitization collecting test process produces and current values also store;
(4) described photoelectric commutator two converts the electric signal of described control module digital collection to light signal, described light signal is by optical fiber real-time Transmission extremely described hand-held controller, described photoelectric commutator one converts described light signal to electric signal, and shows in real time at described hand-held controller and store.
The overall process of High Speed Microcontroller to boosting and step-down carries out Digital Control and data acquisition, by the program imported in advance, realizes the automatic lifting of Zinc-Oxide Arrester test voltage, once can complete the measurement of the leakage current of U1mA and 0.75U1mA.
Beneficial effect of the present invention is:
1, Fiber connection is used between high-potting platform of the present invention and hand-held controller, tester and high-potting platform are without electrical connection, eliminate induced electricity, drain conditions to the security threat of tester, improve the security of test, light signal is the on-the-spot electromagnetic environmental impact of tested person not, and data transmission is more accurate, stable.
2, the present invention is provided with lightning arrester test mount pad, and lightning arrester to be tested can firmly be fixed in mount pad, plug and play, and mount pad has charged warning function, improves the security of test.
3, hand-held controller is flat touch control structure, and Control-Menu is full Chinese interface, facilitates tester to select test mode, simple to operation.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is anatomical connectivity schematic diagram of the present invention;
Fig. 3 is the structural representation planimetric map of mount pad of the present invention;
Fig. 4 is the structural representation side view of mount pad of the present invention;
Wherein, 1, hand-held controller, 2, high-potting platform, 3, communication module, 4, control module, 5, voltage transformation module, 6, optical fiber, 7, mount pad, 8, mount pad slot, 9, fastening spring, 10, induction type annular luminous pipe, 11, metab, 12, high-field electrode lead-in wire, 13, voltage transformation module lead-out terminal, 14, heat radiator.
Embodiment
Below in conjunction with Figure of description and embodiment, the present invention is further qualified, but is not limited thereto.
Embodiment 1
A kind of 35kV and following electric pressure Zinc-Oxide Arrester Automatic Test Equipment, comprise hand-held controller 1 and high-potting platform 2, described high-potting platform 2 comprises the voltage transformation module 5, control module 4 and the communication module 3 that connect successively;
Described voltage transformation module 5, converts 220V low pressure industrial frequency AC to 1kV-90kV high voltage direct current;
Described control module 4, controls the start and stop of described voltage transformation module 5, and the voltage value that the overall process of digital collection boosting and step-down produces;
Described communication module 3, for realizing exchanges data;
Described hand-held controller 1 connects described high-potting platform 2 by optical fiber 6, is provided with photoelectric commutator one in described hand-held controller 1, is provided with photoelectric commutator two in described communication module 3.Structured flowchart of the present invention as shown in Figure 1.
Transform electrical signals is become light signal by described photoelectric commutator one and described photoelectric commutator two, is transmitted by described optical fiber 6.
The advantage herein designed is, optical fiber 6 is used to connect between high-potting platform 2 and hand-held controller 1, tester and high-potting platform 2 are without electrical connection, eliminate induced electricity, drain conditions to the security threat of tester, improve the security of test, light signal is the on-the-spot electromagnetic environmental impact of tested person not, and data transmission is more accurate, stable.
The length of described optical fiber 6 is 10m.
The advantage herein designed is, decreases the attenuation effect of light signal, and demand put by safe distance when can meet Zinc-Oxide Arrester on-the-spot test completely and instrument.
Described high-potting platform 2 is embedded with mount pad 7, and the mount pad slot 8 that described mount pad 7 comprises annular and 4 fastening springs 9 be connected with described mount pad slot 8, be provided with induction type annular luminous pipe 10 in described mount pad slot 8.
During use, inserted by Zinc-Oxide Arrester in mount pad slot 8, the root of Zinc-Oxide Arrester is fixed by several fastening springs 9, and when high-field electrode output voltage is more than 1kV, induction type annular luminous pipe 10 sends ruddiness, and prompting high-potting platform 2 works.
Metab 11 is connected with earth terminal, ground electrode when testing as Zinc-Oxide Arrester, and Zinc-Oxide Arrester connects voltage transformation module lead-out terminal 13, high-field electrode when testing as Zinc-Oxide Arrester by high-field electrode lead-in wire 12.As shown in Figure 3, the structural representation side view of described mount pad as shown in Figure 4 for the structural representation planimetric map of described mount pad.
Described high-potting platform is also provided with heat radiator 14.
Described voltage transformation module 5 comprises rectification filtering unit, modulating unit and voltage multiplying rectifier unit; Described control module 4 comprises high speed microprocessor, storage unit.
Arranging capacity in described hand-held controller 1 is 100G hard disk, and USB port is housed.
The advantage herein designed is, conveniently realizes the storage of data, transfer.
Described hand-held controller 1 is flat touch control structure.
The advantage herein designed is, facilitates tester to select test mode, simple to operation.
The model of described hand-held controller 1 is KPC-101A, the model AST-90M of described high-potting platform 2.
The model of described communication module 3 is profibus, and the model of described rectification filtering unit is BM10M, and the model of described high speed microprocessor is Maxim8051.
Embodiment 2
The operation method of the Automatic Test Equipment described in embodiment 1, concrete steps comprise:
(1) test Zinc-Oxide Arrester electric pressure and test event is selected by described hand-held controller 1, hand-held controller 1 is according to the test Zinc-Oxide Arrester electric pressure selected and test event, send and trigger electric signal accordingly, and by described photoelectric commutator one, described triggering electric signal is converted to light signal;
(2) step (1) described light signal transfers to described photoelectric commutator two by optical fiber 6;
(3) described photoelectric commutator two converts step (1) described light signal to electric signal, this electric signal trigger voltage modular converter 5, industrial frequency AC 220V low pressure is converted to the corresponding high voltage direct current within the scope of 1kV-90kV, complete boosting and the pressure reduction of test, in test process, the voltage that described control module 4 real-time digitization collecting test process produces and current values also store;
(4) described photoelectric commutator two converts the electric signal of described control module 4 digital collection to light signal, described light signal is by optical fiber 6 real-time Transmission extremely described hand-held controller 1, described photoelectric commutator one converts described light signal to electric signal, and shows at described hand-held controller 1 and store in real time.
The overall process of High Speed Microcontroller to boosting and step-down carries out Digital Control and data acquisition, by the program imported in advance, realizes the automatic lifting of Zinc-Oxide Arrester test voltage, once can complete the measurement of the leakage current of U1mA and 0.75U1mA.
Claims (10)
1. 35kV and a following electric pressure Zinc-Oxide Arrester Automatic Test Equipment, is characterized in that, comprise hand-held controller and high-potting platform, described high-potting platform comprises the voltage transformation module, control module and the communication module that connect successively;
Described voltage transformation module, converts 220V low pressure industrial frequency AC to 1kV-90kV high voltage direct current;
Described control module, controls the start and stop of described voltage transformation module, and the voltage value that the overall process of digital collection boosting and step-down produces;
Described communication module, for realizing exchanges data;
Described hand-held controller, by high-potting platform described in Fiber connection, is provided with photoelectric commutator one, is provided with photoelectric commutator two in described communication module in described hand-held controller.
2. a kind of 35kV according to claim 1 and following electric pressure Zinc-Oxide Arrester Automatic Test Equipment, is characterized in that, the length of described optical fiber is (5-15) m, further preferably, and 10m.
3. a kind of 35kV according to claim 1 and following electric pressure Zinc-Oxide Arrester Automatic Test Equipment, it is characterized in that, described high-potting platform is embedded with mount pad, the mount pad slot that described mount pad comprises annular and several fastening springs be connected with described mount pad slot, be provided with induction type annular luminous pipe in described mount pad slot.
4. a kind of 35kV according to claim 1 and following electric pressure Zinc-Oxide Arrester Automatic Test Equipment, it is characterized in that, described high-potting platform is also provided with heat radiator.
5. a kind of 35kV according to claim 1 and following electric pressure Zinc-Oxide Arrester Automatic Test Equipment, it is characterized in that, described voltage transformation module comprises rectification filtering unit, modulating unit and voltage multiplying rectifier unit; Described control module comprises high speed microprocessor, storage unit.
6. a kind of 35kV according to claim 1 and following electric pressure Zinc-Oxide Arrester Automatic Test Equipment, it is characterized in that, the capacity that arranges in described hand-held controller is 100G hard disk, and USB port is housed.
7. a kind of 35kV according to claim 1 and following electric pressure Zinc-Oxide Arrester Automatic Test Equipment, it is characterized in that, described hand-held controller is flat touch control structure.
8. a kind of 35kV according to claim 1 and following electric pressure Zinc-Oxide Arrester Automatic Test Equipment, is characterized in that, the model of described hand-held controller is KPC-101A, the model AST-90M of described high-potting platform.
9. a kind of 35kV according to claim 5 and following electric pressure Zinc-Oxide Arrester Automatic Test Equipment, it is characterized in that, the model of described communication module is profibus, and the model of described rectification filtering unit is BM10M, and the model of described high speed microprocessor is Maxim8051.
10. the operation method of the arbitrary described a kind of 35kV of claim 1-9 and following electric pressure Zinc-Oxide Arrester Automatic Test Equipment, it is characterized in that, concrete steps comprise:
(1) test Zinc-Oxide Arrester electric pressure and test event is selected by described hand-held controller, hand-held controller is according to the test Zinc-Oxide Arrester electric pressure selected and test event, send and trigger electric signal accordingly, and by described photoelectric commutator one, described triggering electric signal is converted to light signal;
(2) step (1) described light signal is transmitted through the fiber to described photoelectric commutator two;
(3) described photoelectric commutator two converts step (1) described light signal to electric signal, this electric signal trigger voltage modular converter, industrial frequency AC 220V low pressure is converted to the corresponding high voltage direct current within the scope of 1kV-90kV, complete boosting and the pressure reduction of test, in test process, the voltage that described control module real-time digitization collecting test process produces and current values also store;
(4) described photoelectric commutator two converts the electric signal of described control module digital collection to light signal, described light signal is by optical fiber real-time Transmission extremely described hand-held controller, described photoelectric commutator one converts described light signal to electric signal, and shows in real time at described hand-held controller and store.
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| CN201510735736.8A CN105259445B (en) | 2015-11-02 | 2015-11-02 | A kind of 35kV and following voltage class Zinc-Oxide Arrester Automatic Test Equipment and its operation method |
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| CN201510735736.8A CN105259445B (en) | 2015-11-02 | 2015-11-02 | A kind of 35kV and following voltage class Zinc-Oxide Arrester Automatic Test Equipment and its operation method |
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| CN105259445B CN105259445B (en) | 2019-09-24 |
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Cited By (1)
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| CN107560649A (en) * | 2017-08-25 | 2018-01-09 | 佛山赛威光电技术有限公司 | A kind of photoelectric effect tester |
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| CN101887085A (en) * | 2009-05-11 | 2010-11-17 | 武汉特试特电气有限公司 | Zinc oxide arrester DC characteristic testing device and method |
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