CN115586411A - Automatic voltage-rise and leakage current test device for overvoltage protector - Google Patents
Automatic voltage-rise and leakage current test device for overvoltage protector Download PDFInfo
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- CN115586411A CN115586411A CN202211587233.7A CN202211587233A CN115586411A CN 115586411 A CN115586411 A CN 115586411A CN 202211587233 A CN202211587233 A CN 202211587233A CN 115586411 A CN115586411 A CN 115586411A
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- overvoltage protector
- automatic
- leakage current
- fixedly connected
- high voltage
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- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 230000001012 protector Effects 0.000 title claims abstract description 51
- 238000007599 discharging Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000004593 Epoxy Substances 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 230000005672 electromagnetic field Effects 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Classifications
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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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses an automatic voltage-rise and leakage current test device of an overvoltage protector, which relates to the technical field of overvoltage protector detection, and aims to solve the problem that the existing manual voltage rise is easy to damage operators.
Description
Technical Field
The invention relates to the technical field of overvoltage protector detection, in particular to an automatic voltage rise and leakage current test device for an overvoltage protector.
Background
Overvoltage protection devices are known in the prior art in a large number of embodiments and are used to protect electrical devices or lines from overvoltages. Overvoltages can be caused, for example, by lightning strikes or defects in technical installations. In this case, the overvoltage protection device is disposed upstream of the electrical device to be protected or the line to be protected.
The overvoltage protector needs high voltage detection in the production process, manual voltage boosting and leakage current detection are adopted in the process of producing the overvoltage protector in the prior art, the voltage boosting can reach 0-28kV in the operation process, the voltage is easy to cause, the personal safety of operators is harmed by high-voltage electric shock, and the operators are injured by high-voltage electromagnetic fields.
Disclosure of Invention
The automatic voltage-rise and leakage current test device for the overvoltage protector provided by the invention solves the problem that manual voltage rise is easy to cause damage to operators.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an automatic high voltage and leakage current test device that rises of overvoltage protector, includes experimental high voltage source cabinet and automatic assembly line, automatic assembly line setting is in one side of experimental high voltage source cabinet, be provided with a plurality of overvoltage protector on the automatic assembly line, the upside and the downside fungus of experimental high voltage source cabinet are provided with the commutation device, the output of commutation device all is provided with the contact device with overvoltage protector complex.
Through the technical scheme, the problem of electric shock hazard of operators is solved by adopting automatic assembly line automatic feeding, automatic voltage rising and automatic leakage current measurement, the efficiency of the whole detection process is greatly improved, and the productivity is improved.
Preferably, four the commutation device includes with experimental high voltage source cabinet one side fixed connection's uide bushing, four the inboard of uide bushing all rotates and is connected with the epoxy lead screw, the inboard fixedly connected with drive epoxy lead screw pivoted servo motor of experimental high voltage source cabinet, the thread cover that slides and is connected in the upper thread cover has and the uide bushing, the downside fixedly connected with of thread cover and the outside downside sliding connection's of uide bushing transmission support, contact means fixes on the transmission support.
Through the technical scheme, the discharging bowl at the front end of the contact device can be in automatic contact with the overvoltage protector, manual operation of personnel is prevented, the personnel are injured, the contact device can be conveniently replaced, and the contact device is convenient to use and overhaul.
Preferably, the contact device comprises a connecting seat fixedly connected with the transmission support, one end of the connecting seat is fixedly connected with a spring, and one end of the spring is fixedly connected with the discharge bowl.
Through above-mentioned technical scheme, can be so that the discharge bowl is stable and the terminal screw contact of overvoltage protector upper end, prevent contact failure, cause the potential safety hazard.
Preferably, the three discharging bowls at the upper side are respectively contacted with the end A, the end B and the end C at the upper side of the overvoltage protector and transmit electric energy, and the discharging bowl at the lower side is contacted with the end D at the lower side of the overvoltage protector and transmit electric energy.
Through above-mentioned technical scheme, can be through D end 3 rather than the ground wire of one side for the electric energy is leading-in to the ground, prevents that the high pressure from causing personnel's injury.
Preferably, the inboard of experimental high voltage source cabinet is provided with the step-up transformer, bottom one side of step-up transformer is provided with automatic booster signal introduction end, the upper end of step-up transformer is provided with current-limiting resistor, current-limiting resistor's top fixedly connected with high voltage output end, be connected with on the high voltage output end three respectively with the three connecting seat electric connection's of upside high voltage output cable, the ground screw is installed to experimental high voltage source cabinet's bottom, the ground screw connection have with a connecting seat electric connection's of downside ground wire.
Preferably, the overvoltage protection device is clamped with a limiting support, and three input ends at the upper end of the overvoltage protection device are fixed at the upper end of the limiting support through wiring screws and are respectively matched with the discharging bowl.
Preferably, one side of overvoltage protector is provided with the access door, be provided with A end, B end, C end, D end pilot lamp and power indicator on the access door, one side of automatic assembly line is provided with the isolation safety zone.
The invention has the beneficial effects that:
1. the automatic assembly line automatic feeding, the automatic voltage rising and the automatic leakage current measuring are adopted, the electric shock danger problem of operators is solved, the efficiency of the whole process is greatly improved, the productivity is improved, 4 lead rods are used for automatic phase change through the controller, an expensive high-voltage relay group is replaced, the cost is greatly saved, and the potential safety hazard of manual testing is fundamentally solved.
2. Through the commutation device, can make the bowl of discharging contact and transmit the electric energy with the hemisphere contact of the A end on the overvoltage protection device that corresponds, B end, C end one side respectively voluntarily, solve the commutation problem of A, B, C, three-phase in the testing process to improve the security and the efficiency that detect.
Drawings
Fig. 1 is a schematic sectional front view of an automatic voltage-rise and leakage current testing device of an overvoltage protection device according to the present invention;
fig. 2 is a schematic top sectional view of an automatic voltage-rise and leakage current testing apparatus for an overvoltage protection device according to the present invention;
fig. 3 is a schematic view of an inspection door of a test high voltage source cabinet of an overvoltage protector automatic voltage rise and leakage current test device provided by the invention;
fig. 4 is an enlarged schematic view of the overvoltage protector automatic voltage rise and leakage current testing device according to the present invention at position E.
Reference numbers in the figures: 1. testing a high-voltage source cabinet; 2. boosting and changing; 3. a ground wire; 4. a grounding screw; 5. a current limiting resistor; 6. a high voltage output terminal; 7. a high voltage output cable; 8. a servo motor; 9. a guide sleeve; 10. an epoxy screw rod; 11. a threaded sleeve; 12. a transmission bracket; 13. a connecting seat; 14. a spring; 15. a discharge bowl; 16. a phase commutation device; 17. a limiting bracket; 18. an overvoltage protector; 19. a contact device; 20. automatic assembly line; 21. a signal leading-in end of the automatic boosting platform; 22. isolating the safe area; 23. a D-phase wiring screw; 24. and a binding screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an automatic voltage-rise and leakage current testing device for overvoltage protectors comprises a testing high-voltage source cabinet 1 and an automatic assembly line 20, wherein the automatic assembly line 20 is arranged on one side of the testing high-voltage source cabinet 1, a plurality of overvoltage protectors 18 are arranged on the automatic assembly line 20, phase-change devices 16 are arranged on the upper side and the lower side of the testing high-voltage source cabinet 1, and contact devices 19 matched with the overvoltage protectors 18 are arranged at the output ends of the phase-change devices 16. The discharging bowl 15 at one end of the contact device 19 can be driven by the phase-changing device 16 to contact with the access end at the upper end of the overvoltage protector 18, so that high-voltage detection is carried out, and personal safety of an operator is prevented from being damaged by high-voltage electric shock and the operator is prevented from being injured by a high-voltage electromagnetic field.
The four phase changing devices 16 comprise guide sleeves 9 fixedly connected with one side of the test high-voltage source cabinet 1, the inner sides of the four guide sleeves 9 are all rotatably connected with epoxy screw rods 10, the inner side of the test high-voltage source cabinet 1 is fixedly connected with a servo motor 8 for driving the epoxy screw rods 10 to rotate, thread sleeves 11 in sliding connection with the inner sides of the guide sleeves 9 are sleeved on the epoxy screw rods 10 in a threaded manner, transmission supports 12 in sliding connection with the outer lower sides of the guide sleeves 9 are fixedly connected with the lower sides of the thread sleeves 11, and contact devices 19 are fixed on the transmission supports 12. The discharging bowl 15 at the front end of the contact device 19 can be automatically contacted with the overvoltage protector 18, manual operation of personnel is prevented, the personnel are injured, and the four phase change devices 16 are controlled by the controller.
The working principle is as follows: the method comprises the following steps that firstly, an upper limiting support is clamped on an overvoltage protector, A, B and C ends at the upper end of the overvoltage protector are fixed at the upper end of the limiting support through wiring screws respectively, then the overvoltage protector is placed on an automatic assembly line, the automatic assembly line transports the overvoltage protector to a test position and sends a signal to an automatic boosting table, the automatic boosting table (a PLC program) receives the signal and then sends an instruction to a phase-change device, the phase-change device acts AD to be connected into a high-voltage wire, the PLC drives a test high-voltage source cabinet, the high-voltage source cabinet outputs high voltage to the overvoltage protector, a wire inlet detection test is carried out, and after the test is finished, the automatic boosting table detects current and voltage signals and sends the current and voltage signals to a terminal signal after wire inlet judgment; the terminal receives the signal and feeds the signal back to the automatic boosting (PLC program) platform, the automatic boosting (PLC program) platform sends a command to the commutation device, and the commutation device acts BD to be connected with a high-voltage wire. The PLC drives and tests the high-voltage source cabinet, the high-voltage source cabinet outputs high voltage to the overvoltage protector (test article), the wire inlet detection test is carried out, and after the test is finished, the automatic boosting platform detects current and voltage signals, and the current and voltage signals are subjected to wire inlet judgment and then are sent to terminal signals. In the test process, the voltage and the leakage current are detected every time of phase change, if the data is unqualified, the automatic voltage boosting (PLC program) platform directly alarms, the test is stopped, and the overvoltage protector (test article) flows out of the test area. In the process, the phase changing device switches for six times after AD phase, BD phase, CD phase, AB phase, AC phase, BC phase and six times of switching are finished. And (4) transporting the overvoltage protector (test article) out of the test position by the automatic assembly line after the whole test is finished, and installing the overvoltage protector in the next procedure.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an automatic high voltage and leakage current test device that rises of overvoltage protector, includes experimental high voltage source cabinet (1) and automatic assembly line (20), its characterized in that, automatic assembly line (20) set up the one side at experimental high voltage source cabinet (1), be provided with a plurality of overvoltage protector (18) on automatic assembly line (20), the upside and the downside of experimental high voltage source cabinet (1) all are provided with commutation device (16), the output of commutation device (16) be provided with overvoltage protector (18) complex contact device (19).
2. The automatic voltage rising and leakage current testing device of the overvoltage protector as claimed in claim 1, wherein the phase changing device (16) comprises guide sleeves (9) fixedly connected with one side of the testing high-voltage source cabinet (1), epoxy lead screws (10) are rotatably connected to the inner sides of the four guide sleeves (9), a servo motor (8) for driving the epoxy lead screws (10) to rotate is fixedly connected to the inner side of the testing high-voltage source cabinet (1), threaded sleeves (11) slidably connected with the inner sides of the guide sleeves (9) are sleeved on the upper threads of the epoxy lead screws (10), a transmission support (12) slidably connected with the outer lower side of the guide sleeves (9) is fixedly connected to the lower side of the threaded sleeves (11), and the contact device (19) is fixed on the transmission support (12).
3. The overvoltage protector automatic voltage rise and leakage current test device according to claim 2, wherein the contact device (19) comprises a connecting seat (13) fixedly connected with the transmission bracket (12), one end of the connecting seat (13) is fixedly connected with a spring (14), and one end of the spring (14) is fixedly connected with a discharge bowl (15).
4. The automatic voltage-rise and leakage current test device of the overvoltage protector according to claim 3, wherein three discharging bowls (15) on the upper side are respectively contacted with the end A, the end B and the end C on the upper side of the overvoltage protector (18) and transmit electric energy, a D-phase wiring screw (23) is arranged on the lower side of the overvoltage protector (18), and one discharging bowl (15) on the lower side is contacted with the D-phase wiring screw (23) and transmits electric energy.
5. The automatic voltage boosting and leakage current testing device of the overvoltage protector according to claim 3, wherein a voltage boosting transformer (2) is arranged inside the testing high voltage source cabinet (1), an automatic voltage boosting platform signal lead-in end (21) is arranged on one side of the bottom of the voltage boosting transformer (2), a current limiting resistor (5) is arranged at the upper end of the voltage boosting transformer (2), a high voltage output end (6) is fixedly connected to the top end of the current limiting resistor (5), three high voltage output cables (7) electrically connected with three connecting seats (13) on the upper side respectively are connected to the high voltage output end (6), a grounding screw (4) is installed at the bottom of the testing high voltage source cabinet (1), and the grounding screw (4) is connected with a grounding wire (3) electrically connected with one connecting seat (13) on the lower side.
6. The overvoltage protector automatic voltage rising and leakage current test device according to claim 1, wherein a limiting bracket (17) is clamped on the overvoltage protector (18), three input ends at the upper end of the overvoltage protector (18) are fixed at the upper end of the limiting bracket (17) through wiring screws (24), and a discharging hemisphere matched with the discharging bowl (15) is fixedly connected to one side of the wiring screws (24).
7. The automatic voltage rise and leakage current test device of the overvoltage protector according to claim 1, wherein an access door is arranged on one side of the overvoltage protector (18), an A end indicator lamp, a B end indicator lamp, a C end indicator lamp, a D end indicator lamp and a power indicator lamp are arranged on the access door, and an isolation safety zone (22) is arranged on one side of the automatic production line (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211587233.7A CN115586411A (en) | 2022-12-12 | 2022-12-12 | Automatic voltage-rise and leakage current test device for overvoltage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211587233.7A CN115586411A (en) | 2022-12-12 | 2022-12-12 | Automatic voltage-rise and leakage current test device for overvoltage protector |
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| Publication Number | Publication Date |
|---|---|
| CN115586411A true CN115586411A (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211587233.7A Pending CN115586411A (en) | 2022-12-12 | 2022-12-12 | Automatic voltage-rise and leakage current test device for overvoltage protector |
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| CN (1) | CN115586411A (en) |
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| CN105301465A (en) * | 2015-12-01 | 2016-02-03 | 武汉大学 | Direct current gas insulation electrical equipment partial discharge decomposition simulation experiment apparatus |
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2022
- 2022-12-12 CN CN202211587233.7A patent/CN115586411A/en active Pending
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| CN105301456A (en) * | 2015-11-04 | 2016-02-03 | 国网山东省电力公司东营供电公司 | Combination type overvoltage protection device power frequency discharging detection test device and method |
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Application publication date: 20230110 |
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