CN116707324B - Solar inverter convenient to maintain and maintenance control method thereof - Google Patents
Solar inverter convenient to maintain and maintenance control method thereof Download PDFInfo
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- CN116707324B CN116707324B CN202310972189.XA CN202310972189A CN116707324B CN 116707324 B CN116707324 B CN 116707324B CN 202310972189 A CN202310972189 A CN 202310972189A CN 116707324 B CN116707324 B CN 116707324B
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- 238000012423 maintenance Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 105
- 230000001681 protective effect Effects 0.000 claims description 48
- 238000001514 detection method Methods 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims 3
- 239000007924 injection Substances 0.000 claims 3
- 230000002349 favourable effect Effects 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 230000007797 corrosion Effects 0.000 description 12
- 238000005260 corrosion Methods 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 9
- 239000012535 impurity Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The utility model relates to the technical field of inverters, in particular to a solar inverter convenient to maintain and a maintenance control method thereof, which comprises a device body, wherein a radiating opening is formed in one side wall of the device body, a controller is fixedly arranged at the top of the device body, a connecting terminal for connecting a solar panel is fixedly arranged on one side wall of the device body, two bases are symmetrically and fixedly arranged on one side wall of the device body, and a fixing disc is fixedly arranged on one side of each of the two bases away from the device body. The device carries out spacing centre gripping through spacing protection mechanism and air current circulation mechanism's setting, carries out spacing centre gripping to the power cord through spacing protection mechanism, drives air current circulation through air current circulation mechanism simultaneously to be favorable to avoiding air humidity to increase and lead to the condition emergence that the damage appears in dc-to-ac converter junction.
Description
Technical Field
The utility model relates to the field of inverters, in particular to a solar inverter convenient to maintain and a maintenance control method thereof.
Background
The inverter is also called a power regulator and a power regulator, is an indispensable part of a photovoltaic system, and has the main function of converting direct current generated by a solar panel into alternating current used by household appliances, and the electricity generated by the solar panel can be output through the inverter.
The prior art discloses a part of solar inverter, and Chinese patent application number 201821464878.0 discloses a solar inverter which is convenient to maintain and comprises a protection cabinet door, a lock catch, a threading hole, a three-phase socket, a protection cabinet, an integrated inverter element box, an unlocking button, a handle, an inverter shell body, a buckle, an integrated socket, a mains supply charging insurance, an inversion output insurance and a universal wheel.
Under the higher condition of vapor content in the air, in the long-time in-process that uses the dc-to-ac converter, the junction that the dc-to-ac converter is connected with external power can adhere because the weather is moist has certain moisture, because the metal of junction has dissolved impurity such as carbon dioxide in the water film and just becomes electrolyte solution and produces the reaction with metal and some impurity after the moisture, thereby can accelerate the corruption to junction metal and make power cord and metal adhesion together, and then cause the condition that the damage appears in dc-to-ac converter junction, and be difficult to maintain.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a solar inverter convenient to maintain and a maintenance control method thereof.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a solar inverter convenient to maintain, includes the ware body, set up the thermovent on the lateral wall of one side of ware body, the top fixed mounting of ware body has the controller, fixed mounting is used for connecting solar panel's binding post on the lateral wall of one side of ware body, symmetrical fixed mounting has two bases on the lateral wall of one side of ware body, two the base is kept away from one side of ware body is all fixed with the fixed disk, two the fixed disk is kept away from one side of base is all fixed with the circular telegram screw rod that is used for connecting the power, two all threaded connection has the circular telegram nut on the circular telegram screw rod outer wall;
the device comprises a base, a detection part, a through hole, a cylinder, a rotary mechanism and a power-on nut, wherein the two base is fixedly installed on one side far away from the device body, the detection part is fixedly installed on the inner top surfaces of the two protection shells, the through hole for a power line to pass through is formed in the center of the bottom of the two protection shells, the cylinder is fixedly installed on one side wall of the inner part of the two protection shells, the rotary mechanism is installed between the end part of a telescopic rod of the cylinder and the power-on nut, and the rotary mechanism is used for driving the power-on nut to approach or depart from the base when the telescopic rod of the cylinder moves;
a limiting protection mechanism is arranged between the energizing nut and the fixed disc and used for shielding and protecting a wiring position, and an air flow circulation mechanism is arranged between the energizing nut and the protective shell and used for conveying air flow to the energizing screw;
according to the utility model, through the arrangement of the limiting protection mechanism and the air flow circulation mechanism, the limiting protection mechanism is used for limiting and clamping the power line, at the moment, the limiting protection mechanism shields the power line, so that the contact between moisture in the air and the power line is avoided, the situation that electric corrosion occurs at the junction is reduced, at the moment, the detection part detects that the moisture content in the air in the protective shell is higher than a preset value, the limiting protection mechanism is started again through the cylinder, so that the limiting protection mechanism drives the power-on screw cap to reversely move, the power-on screw cap drives the limiting protection mechanism to cancel the clamping and limiting of the power line, and meanwhile, the controller controls the air flow circulation mechanism to start, so that the air flow circulation mechanism drives the air flow to circulate, and the situation that damage occurs at the junction of the inverter due to the increase of air humidity is avoided.
Preferably, the rotating mechanism comprises a toothed plate and a connecting rod, the toothed plate is fixed at the telescopic end of the air cylinder, the connecting rod is fixed at one end of the electrified nut, which is opposite to the fixed disc, a gear is fixed on the outer wall of the connecting rod, and the gear is meshed with the toothed plate;
according to the utility model, through the arrangement of the gears and the toothed plates, the electrified screw cap is horizontally moved through the threaded connection with the electrified screw rod in the rotation process, so that the electrified screw cap is driven to be far away from or close to the base, and the subsequent butt joint line is facilitated to be processed.
Preferably, the limit protection mechanism comprises two sliding grooves and a connecting seat, wherein the two sliding grooves are symmetrically arranged on the side wall of one side, far away from the base, of the fixed disc, the inside of each sliding groove is fixedly connected with an elastic telescopic rod, the opposite ends of each elastic telescopic rod are fixedly provided with side plates, one ends, far away from the elastic telescopic rods, of each side plate are fixedly provided with first energizing sheets, the inner walls of the two sliding grooves are fixedly connected with pushing blocks, the opposite sides of the two pushing blocks are respectively provided with an inclined surface, the connecting seat is rotationally connected to one side, far away from the connecting rod, of the energized nut, one side, far away from the connecting seat, of the connecting seat is symmetrically provided with two support plates, the opposite sides of the two support plates are respectively fixedly provided with a second elastic telescopic rod, the telescopic ends of the two second elastic telescopic rods are respectively fixedly connected with the side walls of the fixed disc, the opposite sides of the two support plates are respectively fixedly provided with a first tension spring, the opposite ends of the two first tension springs are respectively fixedly provided with a second energized sheet, and the two opposite ends of the two tension springs are respectively connected with a second energized sheet, and the two energized sheets are respectively far away from one side of the connecting seat;
according to the utility model, the power line is connected between the first power-on sheet and the second power-on sheet, so that shielding protection is facilitated on the power line, the contact condition of moisture and wiring is reduced, and the moisture corrosion condition at the connection position of the power line and the first power-on sheet is reduced.
Preferably, the surfaces of the two second electrifying sheets far away from each other are both fixed with silica gel, and the shapes of the two silica gels are the same as those of the second electrifying sheets.
Preferably, the air flow circulation mechanism comprises an air inlet machine, the air inlet machine is fixedly arranged on one side, facing the other protective shell, of the protective shell, an air outlet of the air inlet machine is fixedly communicated with an air outlet pipe, one end, far away from the air inlet machine, of the air outlet pipe is fixedly provided with a shielding plate, one side, far away from the air outlet pipe, of the shielding plate is provided with a sliding groove, the inside of the sliding groove is provided with a vent hole, and the vent hole is communicated with the air outlet pipe.
Preferably, the inside sliding connection of spout has the shutoff board, the shutoff board with be provided with pushing mechanism between the pinion rack, pushing mechanism is used for promoting the shutoff board is carried out the shutoff of ventilation hole or is opened, the shutoff board is kept away from one side of ventilation hole is fixed to be linked together and is had two stereoplasm communicating pipe, two stereoplasm communicating pipe is kept away from the one end of ventilation hole is fixed the intercommunication jointly and is had the defeated wind circle seat, defeated wind circle seat sliding sleeve is located on the outer wall of circular array, circular array fixed intercommunication is had a plurality of air-jet heads to one side that the circular array was kept away from to the circular array is fixed connection with the supporting seat that air-jet head quantity equals, all the air-jet head slides respectively and inserts and locate in the supporting seat of corresponding position.
Preferably, the pushing mechanism comprises a push rod, a first push plate and a second push plate, the push rod is fixed at the top of the toothed plate, the first push plate is fixed at one side of the plugging plate away from the air outlet pipe, the second push plate is fixed at one side of the shielding plate away from the air outlet pipe, a trigger piece is fixed at one side of the second push plate away from the shielding plate, an electric telescopic rod is fixed between the first push plate and the second push plate, and the trigger piece is matched with the electric telescopic rod.
A maintenance control method of a solar inverter convenient to maintain comprises the following steps:
step one, acquiring first request information, wherein the first request information is generated after the detection piece detects that the humidity information in the air exceeds a preset value;
generating first control information and second control information, wherein the first control information is used for controlling the starting of the air cylinder, and the second control information is used for controlling the starting of the air flow circulation mechanism;
step three, the first control information is sent to the air cylinder to control the starting of the air cylinder;
step four, sending second control information to the air flow circulation mechanism to control the air flow circulation mechanism to start;
step five, acquiring second request information, wherein the second request information is generated after the detection piece detects that the humidity information in the air does not reach a preset value;
step six, generating third control information and fourth control information;
step seven, third control information is sent to the air cylinder to control the air cylinder to start reversely;
step eight, sending fourth control information to the air flow circulation mechanism to control the air flow circulation mechanism to be closed;
the controller receives the first request information, generates first control information and second control information after receiving the first request information, firstly sends the first control information to the air cylinder to control the air cylinder to start and push out, then sends the second control information to the air circulation mechanism to control the air circulation mechanism to start, so that the air in the protective shell circulates, the controller is used for receiving the second request information, generates third control information and fourth control information after receiving the second request information, sends the third control information to the air cylinder to control the air cylinder to start reversely, and sends the fourth control information to the air circulation mechanism to control the air circulation mechanism to close;
when the detecting piece detects that the air humidity in the protective shell reaches or exceeds 75%, first request information is generated, and in the prior art, a large amount of mold corrodes electrical equipment when the air humidity reaches 75%, so that the preset value is that the air relative humidity is 75%.
Preferably, the detecting member is a temperature and humidity sensor.
Preferably, the specific triggering method of the detecting member includes the following steps:
step one, obtaining the information of the water vapor content exceeding standard;
step two, generating first request information, wherein the first request information is used for requesting a controller to control the starting of a cylinder;
step three, the first request information is sent to a controller;
step four, obtaining the water vapor content standard information;
generating second request information, wherein the second request information is used for requesting a controller to control the reverse start of the air cylinder;
step six, sending the second request information to the controller;
the detection part acquires the water vapor content exceeding information, generates first request information after acquiring the water vapor content exceeding information, sends the first request information to the controller, generates second request information after acquiring the water vapor content reaching information, and sends the second request information to the controller.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the arrangement of the limiting protection mechanism and the air flow circulation mechanism, the limiting protection mechanism is used for limiting and clamping the power line, at the moment, the limiting protection mechanism shields the power line, so that the contact between moisture in the air and the power line is avoided, the situation that electric corrosion occurs at the junction is reduced, at the moment, the detection part detects that the moisture content in the air in the protective shell is higher than a preset value, the limiting protection mechanism is started again through the cylinder, so that the limiting protection mechanism drives the power-on screw cap to reversely move, the power-on screw cap drives the limiting protection mechanism to cancel the clamping and limiting of the power line, and meanwhile, the controller controls the air flow circulation mechanism to start, so that the air flow circulation mechanism drives the air flow to circulate, and the situation that damage occurs at the junction of the inverter due to the increase of air humidity is avoided.
2. According to the utility model, through the arrangement of the plurality of air jet heads, the air jet heads are used for supplying air sources to the electrified screw rod, the first electrified sheet and the second electrified sheet, so that the air flow at the junction is accelerated, the junction is kept dry, and the junction is maintained by a subsequent maintainer.
Drawings
FIG. 1 is a schematic flow chart of a maintenance control method of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the solar inverter of the present utility model;
fig. 3 is a schematic structural view of a protective case according to the present utility model;
FIG. 4 is a schematic view of the structure of the present utility model taken along the section of the protective case;
FIG. 5 is a schematic view of the structure of the present utility model from another view angle after the section along the protective shell;
FIG. 6 is a schematic view of the junction of the base and the shielding plate of the present utility model;
FIG. 7 is a schematic view of another view angle structure of the junction of the base and the shielding plate of the present utility model;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7A in accordance with the present utility model;
FIG. 9 is an enlarged schematic view of the structure of FIG. 7B in accordance with the present utility model;
FIG. 10 is a schematic view of the structure of the base of the present utility model;
FIG. 11 is an enlarged schematic view of the structure of FIG. 10C in accordance with the present utility model;
FIG. 12 is a schematic view of the structure of the connection between the fixed disk and the gear of the present utility model;
FIG. 13 is a schematic diagram of the structure of a second conductive sheet and silica gel according to the present utility model;
fig. 14 is a flow chart of a triggering method of the detecting member of the present utility model.
In the figure: 1. a body; 2. a heat radiation port; 3. a controller; 4. a connection terminal; 5. a base; 6. a fixed plate; 7. electrifying a screw; 8. energizing the nut; 9. a protective shell; 10. a through hole; 11. a cylinder; 12. a toothed plate; 13. a connecting rod; 14. a gear; 15. a sliding groove; 16. a connecting seat; 17. an elastic telescopic rod; 18. a side plate; 19. a first power-on sheet; 20. a pushing block; 21. an inclined surface; 22. a support plate; 23. a first tension spring; 24. a second energizing sheet; 25. silica gel; 26. a wind inlet machine; 27. an air outlet pipe; 28. a shielding plate; 29. a chute; 30. a vent hole; 31. a plugging plate; 32. a push rod; 33. a first push plate; 34. a second push plate; 35. an electric telescopic rod; 36. a hard communicating tube; 37. a wind-conveying round seat; 38. a jet head; 39. a support base; 40. a trigger; 41. a detecting member; 42. and a second elastic telescopic rod.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The solar inverter with convenient maintenance as shown in fig. 2 to 13 comprises a device body 1, wherein a heat dissipation port 2 is formed in one side wall of the device body 1, a controller 3 is fixedly arranged at the top of the device body 1, a connecting terminal 4 for connecting a solar panel is fixedly arranged on one side wall of the device body 1, two bases 5 are symmetrically and fixedly arranged on one side wall of the device body 1, a fixed disc 6 is fixed on one side, far from the device body 1, of each of the two bases 5, an energizing screw rod 7 for connecting a power supply is fixed on one side, far from the base 5, of each of the two fixed discs 6, and an energizing nut 8 is connected to the outer walls of the two energizing screw rods 7 in a threaded manner;
the two bases 5 are fixedly provided with protective shells 9 on one side far away from the device body 1, the inner top surfaces of the two protective shells 9 are fixedly provided with detection pieces 41, through holes 10 for a power line to pass through are formed in the centers of the bottoms of the two protective shells 9, air cylinders 11 are fixedly arranged on one side wall of the inner parts of the two protective shells 9, rotating mechanisms are arranged between the end parts of telescopic rods of the air cylinders 11 and the energizing nuts 8, and when the telescopic rods of the air cylinders 11 move, the rotating mechanisms are used for driving the energizing nuts 8 to approach or separate from the bases 5;
a limit protection mechanism is arranged between the energizing nut 8 and the fixed disk 6 and is used for shielding and protecting a wiring position, and an air flow circulation mechanism is arranged between the energizing nut 8 and the protective shell 9 and is used for conveying air flow to the energizing screw 7; when the inverter is used for a long time, under the condition that the water vapor content in the air is higher, certain moisture is adhered to the junction of the inverter connected with an external power supply due to the fact that the weather is humid, because the metal at the junction is dissolved with impurities such as carbon dioxide and the like in a water film after being wetted and then becomes electrolyte solution and reacts with the metal and some impurities, the corrosion of the metal at the junction is accelerated, the power supply wire is adhered with the metal, the situation that the junction of the inverter is damaged is caused, and the maintenance is difficult to carry out. Starting the limit protection mechanism after the power-on screw cap 8 moves, so that the limit protection mechanism starts to limit and clamp the power line, at the moment, the limit protection mechanism shields the power line, thereby being beneficial to avoiding contact between moisture in the air and the power line, and being beneficial to reducing the condition of electric corrosion at a wiring position, when the air humidity continuously rises, the moisture in the air passes through the limit protection mechanism and contacts with the power line, at the moment, the detecting element 41 detects that the moisture content in the air in the protective shell 9 is higher than a preset value, the controller 3 controls the air cylinder 11 to start, the air cylinder 11 starts the limit protection mechanism again, so that the limit protection mechanism drives the power-on screw cap 8 to move reversely, so that the power-on screw cap 8 drives the limit protection mechanism to cancel clamping limit of the power line, the limit protection mechanism removes shielding protection of the power line, and make the power cord lift and keep away from circular telegram screw rod 7 through spacing protection mechanism to make the junction expose, the air current circulation mechanism of controller 3 control starts simultaneously, make air current circulation mechanism drive the air current circulation, air current circulation mechanism carries the inside of protective housing 9 with the exhaust hot air current of thermovent 2, drive the inside evaporation of moisture of protective housing 9 and discharge along with the air current, thereby be favorable to reducing the inside air humidity of protective housing 9, thereby be favorable to avoiding the air humidity increase and lead to the condition emergence that the damage appears in dc-to-ac converter junction.
As one embodiment of the utility model, the rotating mechanism comprises a toothed plate 12 and a connecting rod 13, wherein the toothed plate 12 is fixed at the telescopic end of the air cylinder 11, the connecting rod 13 is fixed at one end of the energizing nut 8, which is opposite to the fixed disc 6, a gear 14 is fixed on the outer wall of the connecting rod 13, and the gear 14 is meshed with the toothed plate 12; during operation, the toothed plate 12 is driven to move through telescopic movement of the air cylinder 11, the gear 14 is driven to rotate in the moving process of the toothed plate 12, the gear 14 drives the connecting rod 13 to rotate, and the connecting rod 13 drives the energizing nut 8 to rotate, so that horizontal movement is generated through threaded connection with the energizing screw rod 7 in the rotating process of the energizing nut 8, and the energizing nut 8 is driven to be far away from or close to the base 5, so that subsequent butt joint line positions are facilitated to be processed.
As one implementation mode of the utility model, the limit protection mechanism comprises two sliding grooves 15 and a connecting seat 16, wherein the two sliding grooves 15 are symmetrically arranged on the side wall of the fixed disc 6, which is far away from the base 5, the inside of the two sliding grooves 15 is fixedly connected with an elastic telescopic rod 17, the opposite ends of the two elastic telescopic rods 17 are fixedly provided with side plates 18, one ends of the two side plates 18, which are far away from the elastic telescopic rod 17, are fixedly provided with first energizing pieces 19, the inner walls of the two sliding grooves 15 are fixedly connected with pushing blocks 20, the opposite sides of the two pushing blocks 20 are respectively provided with an inclined surface 21, the connecting seat 16 is rotationally connected with one side of an energizing nut 8, which is far away from the connecting rod 13, one side of the connecting seat 16, which is far away from the energizing nut 8, is symmetrically provided with two support plates 22, the opposite sides of the two support plates 22 are respectively fixedly provided with a second elastic telescopic rod 42, the telescopic ends of the two second elastic telescopic rods 42 are respectively fixedly connected with the side walls of the fixed disc 6, the opposite sides of the two support plates 22 are respectively fixedly provided with a first tension spring 23, the opposite ends of the two first tension springs 23 are respectively provided with second energizing pieces 24, and the second energizing pieces 24 are respectively connected with the second energizing pieces 24, and the second energizing pieces 24 are respectively, which are respectively connected with the second energizing pieces 24, which are far away from one side of the energizing nut 8, which is far from the connecting seat 8, and the connecting seat 8 respectively; when the electric power wire is in operation, the power wires are firstly wound on the outer surfaces of the two first electrifying sheets 19, then the electrified nuts 8 move to drive the connecting seat 16 to approach to the direction of the base 5, the connecting seat 16 moves to drive the second electrifying sheet 24 to move, when the second electrifying sheet 24 contacts with the inclined surface 21 of the push block 20 in the moving process, the second electrifying sheet 24 moves along the inclined surface 21 towards the direction of the first electrifying sheet 19 under the guidance of the inclined surface 21, the second electrifying sheet 24 moves to drive the first tension spring 23 to stretch, after the second electrifying sheet 24 contacts with the power wires in the moving process, the second electrifying sheet 24 continues to move under the guidance of the inclined surface 21, so that the second electrifying sheet 24 can drive the power wires and the first electrifying sheet 19 to move towards the direction of the electrifying screw 7 when continuing to move, the two first electrifying sheets 19 are respectively positioned on the upper side and the lower side of the electrifying screw 7, so the first electrifying sheets 19 are wrapped and contacted with the electrifying screw rod 7 in the process of mutual approaching, so that the first electrifying sheets 19 are favorably communicated with the electrifying screw rod 7 in a fitting way, the first electrifying sheets 19 move to pull the elastic telescopic rods 17 to stretch through the side plates 18, the power line is connected between the first electrifying sheets 19 and the second electrifying sheets 24, on one hand, shielding protection is favorably carried out on the power line, the condition that moisture is contacted with a wiring position is reduced, so that the condition that the connection position of the power line and the first electrifying sheets 19 is corroded is favorably reduced, on the other hand, if the condition that the corrosion occurs, the connection position of the power line and the first electrifying sheets 19 is corroded, a maintainer only needs to replace the first electrifying sheets 19 or the second electrifying sheets 24, so that the time required in the subsequent maintenance is favorably reduced, the maintainer is convenient to maintain the wiring position if the maintenance is required, the power-on nut 8 can drive the connecting seat 16 to keep away from to base 5 direction, the connecting seat 16 drives the second piece of switching on 24 to make second piece of switching on 24 at the in-process that removes, second piece of switching on 24 can slowly reset under the effect of first extension spring 23, thereby be favorable to avoiding elasticity too big to cause second piece of switching on 24 to appear damaging, the in-process that first piece of switching on 19 was kept away from to second piece of switching on 24, first piece of switching on 19 can keep away from the power-on screw rod 7 under the effect of elastic expansion link 17, after first piece of switching on 19 removes and resets, second piece of switching on 24 continues the motion, thereby make first piece of switching on 19 and second piece of switching on 24 separation, make the junction expose, thereby be favorable to the maintenance person to observe the maintenance.
As an embodiment of the present utility model, the two second current-carrying sheets 24 are fixed with silica gel 25 on the outer surfaces far from each other, and the two silica gel 25 and the second current-carrying sheets 24 have the same shape; in operation, since the second conductive sheet 24 is exposed to the outside and is thus prone to be corroded by moisture, if moisture is not cleaned in time, the second conductive sheet 24 is prone to be corroded by acceleration, and the embodiment of the utility model can solve the above problems.
As one embodiment of the utility model, the air flow circulation mechanism comprises an air inlet fan 26, the air inlet fan 26 is fixedly arranged on one side of the protective shell 9 facing the other protective shell 9, an air outlet of the air inlet fan 26 is fixedly communicated with an air outlet pipe 27, one end of the air outlet pipe 27 far away from the air inlet fan 26 is fixedly provided with a shielding plate 28, one side of the shielding plate 28 far away from the air outlet pipe 27 is provided with a sliding groove 29, the inside of the sliding groove 29 is provided with a ventilation hole 30, and the ventilation hole 30 is communicated with the air outlet pipe 27; in operation, through the arrangement of the first electrifying plate 19 and the second electrifying plate 24, although the influence of moisture in the air inside the protective shell 9 on the junction can be reduced, if the air inside the protective shell 9 is not discharged in a flowing way, because moisture is doped in the air and flows easily, water molecules are easy to enter the junction along with the air, and other places, the moisture is adhered again, and thus the situation of electric corrosion is easy to be caused, the embodiment of the utility model can solve the problems, and the specific implementation is as follows, when the electrifying screw cap 8 is far away from the direction of the first electrifying plate 19, the controller 3 controls the air inlet fan 26 to start, the air inlet fan 26 can convey the air near the heat dissipation opening 2 into the interior of the protective shell 9 through the air outlet pipe 27, and then the air entering the inner wall of the protective shell 9 can flow out through the through hole 10, so that the air flow is generated inside the protective shell 9, the air flow is utilized to enable the interior of the protective shell 9 to exchange with the air outside, thereby facilitating the discharge of the humid air inside the protective shell 9, and the situation of electric corrosion is easy to be caused, and the high-temperature air drop is favorable for evaporating the interior of the protective shell 9, the evaporation of the air drop inside the protective shell 9 is favorable for the evaporation of the humidity inside the protective shell 9, the humidity is favorable for the humidity reduction of the humidity of the interior of the junction, the humidity is favorable for reducing the situation of the humidity inside the junction, and the humidity of the junction is favorable to be reduced, and the maintenance of the situation of the inside the junction is favorable to be maintained.
As an implementation mode of the utility model, a plugging plate 31 is slidably connected in the chute 29, a pushing mechanism is arranged between the plugging plate 31 and the toothed plate 12, the pushing mechanism is used for pushing the plugging plate 31 to plug or open the vent hole 30, two hard communicating pipes 36 are fixedly communicated with one side of the plugging plate 31 far away from the vent hole 30, one ends of the two hard communicating pipes 36 far away from the vent hole 30 are fixedly communicated with a wind-conveying round seat 37, the wind-conveying round seat 37 is slidably sleeved on the outer wall of the energizing nut 8, one side of the energizing nut 8 far away from the connecting rod 13 is fixedly communicated with a plurality of jet heads 38 in a circumferential array, the outer ring of the connecting seat 16 is fixedly connected with supporting seats 39 with the same number as the jet heads 38 in a circumferential array, and all the jet heads 38 are slidably inserted in the supporting seats 39 at corresponding positions respectively; when in operation, through the arrangement of the air inlet fan 26, although the air inside the protective shell 9 and the air outside can be exchanged, the inside of the protective shell 9 can be kept dry, because the electric corrosion part generally appears at the junction, the air source conveyed by the air inlet fan 26 is not directly blown to the junction, and thus the junction is likely to have a part which is not blown to dry, electric corrosion is easy to be caused, the embodiment of the utility model can solve the problems, and the embodiment of the utility model is as follows, when the power is on, the air with higher temperature cannot be directly conveyed to the junction, thereby being beneficial to reducing the situation that fire occurs due to the over-high temperature at the junction, when the energizing nut 8 is far away from the first energizing sheet 19, the first energizing sheet 19 is separated from the second energizing sheet 24, and the connecting seat 16 drives the supporting seat 39 to move, so that the jet head 38 and the supporting seat 39 generate relative displacement, the toothed plate 12 synchronously drives the pushing mechanism to move, the pushing mechanism drives the blocking plate 31 to block the vent hole 30, because the blocking plate 31 is communicated with the two hard communicating pipes 36, so that the wind source can be conveyed into the wind conveying round seat 37 through the blocking plate 31 and the two hard communicating pipes 36, because when the first electrifying piece 19 and the second electrifying piece 24 are separated, the first electrifying piece 19 can be far away from the electrifying screw 7, so that a space is reserved among the electrifying screw 7, the first electrifying piece 19 and the second electrifying piece 24, air flow is facilitated, and then the wind source is conveyed to the electrifying screw 7, the first electrifying piece 19 and the second electrifying piece 24 through the jet head 38, so that the air flow at a junction is quickened, thereby facilitating to keep the junction dry, and facilitating the maintenance of the subsequent maintainer at the junction.
As one embodiment of the present utility model, the pushing mechanism includes a push rod 32, a first push plate 33 and a second push plate 34, the push rod 32 is fixed on the top of the toothed plate 12, the first push plate 33 is fixed on one side of the plugging plate 31 away from the air outlet pipe 27, the second push plate 34 is fixed on one side of the shielding plate 28 away from the air outlet pipe 27, a trigger piece 40 is fixed on one side of the second push plate 34 away from the shielding plate 28, an electric telescopic rod 35 is fixed between the first push plate 33 and the second push plate 34, and the trigger piece 40 is matched with the electric telescopic rod 35; during operation, the toothed plate 12 moves to drive the push rod 32 to move, after the push rod 32 contacts with the trigger piece 40, the electric telescopic rod 35 is started to move in a telescopic manner to push the plugging plate 31 to slide in the sliding groove 29, so that the plugging plate 31 is close to the vent hole 30, and the plugging plate 31 plugs the vent hole 30, thereby realizing that the air jet head 38 is used for conveying air to the first electrifying piece 19 and the second electrifying piece 24 at a fixed point, being beneficial to keeping the first electrifying piece 19 and the second electrifying piece 24 dry, and after the push rod 32 is far away from the trigger piece 40, the electric telescopic rod 35 is used for retracting to drive the first push plate 33 to reset, thereby enabling the plugging plate 31 to be far away from the vent hole 30, and being beneficial to exposing the vent hole 30 and being beneficial to conveying air to the interior of the protective shell 9 by the air inlet fan 26.
A maintenance control method of a solar inverter for convenient maintenance as shown in fig. 1, the maintenance control method comprising the steps of:
step one, acquiring first request information, wherein the first request information is generated by the detecting element 41 after detecting that the humidity information in the air exceeds a preset value;
step two, generating first control information and second control information, wherein the first control information is used for controlling the starting of the air cylinder 11, and the second control information is used for controlling the starting of the air flow circulation mechanism;
step three, the first control information is sent to the air cylinder 11 to control the air cylinder 11 to start;
step four, sending second control information to the air flow circulation mechanism to control the air flow circulation mechanism to start;
step five, acquiring second request information, wherein the second request information is generated after the detection part detects that the humidity information in the air does not reach a preset value;
step six, generating third control information and fourth control information;
step seven, third control information is sent to the air cylinder 11 to control the air cylinder 11 to start reversely;
step eight, sending fourth control information to the air flow circulation mechanism to control the air flow circulation mechanism to be closed;
the controller 3 receives the first request information, the controller 3 generates first control information and second control information after receiving the first request information, the controller 3 firstly sends the first control information to the air cylinder 11 to control the air cylinder 11 to start pushing out, then the controller 3 sends the second control information to the air flow circulation mechanism to control the air flow circulation mechanism to start, so that the air in the protective shell 9 circulates, the controller 3 is used for receiving the second request information, the controller 3 generates the second control information after receiving the second request information, and sends the second control information to the air cylinder 11 to control the air cylinder 11 to start reversely;
wherein, when the detecting member 41 detects that the air humidity in the interior of the protective case 9 reaches or exceeds 75%, a first request message is generated, and in the prior art, when the air humidity reaches 75%, a large amount of mold corrodes the electrical equipment, so that the predetermined value is 75% of the air relative humidity.
In one embodiment of the present utility model, the detecting member 41 is a temperature and humidity sensor.
As shown in fig. 14, as an embodiment of the present utility model, the specific triggering method of the detecting member 41 includes the steps of:
step one, obtaining the information of the water vapor content exceeding standard;
step two, generating first request information, wherein the first request information is used for requesting the controller 3 to control the starting of the air cylinder 11;
step three, the first request information is sent to the controller 3;
step four, obtaining the water vapor content standard information;
step five, generating second request information, wherein the second request information is used for requesting the controller 3 to control the cylinder 11 to start reversely;
step six, sending the second request information to the controller 3;
wherein, the detecting element 41 obtains the information that the water vapor content exceeds the standard, the detecting element 41 generates the first request information after obtaining the information that the water vapor content exceeds the standard, and sends the first request information to the controller 3, the detecting element 41 generates the second request information after obtaining the information that the water vapor content reaches the standard, and sends the second request information to the controller 3.
The working principle of the utility model is as follows:
under the condition that the water vapor content in the air is higher, in the process of using the inverter for a long time, certain moisture is adhered to the junction where the inverter is connected with an external power supply due to the fact that the weather is moist, because the metal at the junction is dissolved with impurities such as carbon dioxide and the like in a water film after being wetted, the impurities become electrolyte solution and react with the metal and some impurities, the corrosion of the metal at the junction is accelerated, the power supply wire is adhered with the metal, the situation that the damage occurs to the junction of the inverter is further caused, the maintenance is difficult, and the maintenance is difficult to carry out, the embodiment of the utility model can solve the problems, and the specific embodiment is that an operator winds the power supply wire which needs to be connected on a limit protection mechanism firstly, then controls the air cylinder 11 to start, triggers a rotating mechanism after the air cylinder 11 starts, drives the energizing screw cap 8 to approach to the direction of the fixed disc 6 through the rotating mechanism, starting the limit protection mechanism after the power-on screw cap 8 moves, so that the limit protection mechanism starts to limit and clamp the power line, at the moment, the limit protection mechanism shields the power line, thereby being beneficial to avoiding contact between moisture in the air and the power line, further being beneficial to reducing the condition of electric corrosion at a wiring position, and when the air humidity continuously rises, the moisture in the air passes through the limit protection mechanism and contacts with the power line, at the moment, the moisture content in the air inside the detection piece 41 protective shell 9 is higher than a preset value, the controller 3 controls the air cylinder 11 to start, the air cylinder 11 starts the limit protection mechanism again, so that the limit protection mechanism drives the power-on screw cap 8 to reversely move, the power-on screw cap 8 drives the limit protection mechanism to cancel clamping and limiting of the power line, so that the limit protection mechanism removes shielding protection of the power line, and make the power cord lift and keep away from circular telegram screw rod 7 through spacing protection mechanism to make the junction expose, the air current circulation mechanism of controller 3 control starts simultaneously, make air current circulation mechanism drive the air current circulation, air current circulation mechanism carries the inside of protective housing 9 with the exhaust hot air current of thermovent 2, drive the inside evaporation of moisture of protective housing 9 and discharge along with the air current, thereby be favorable to reducing the inside air humidity of protective housing 9, thereby be favorable to avoiding the air humidity increase and lead to the condition emergence that the damage appears in dc-to-ac converter junction.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims.
Claims (6)
1. The utility model provides a solar inverter convenient to maintain, includes ware body (1), its characterized in that, offer thermovent (2) on the lateral wall of one side of ware body (1), the top fixed mounting of ware body (1) has controller (3), fixed mounting is used for connecting binding post (4) of solar panel on the lateral wall of one side of ware body (1), symmetrical fixed mounting has two bases (5) on the lateral wall of one side of ware body (1), two base (5) keep away from one side of ware body (1) all is fixed with fixed disk (6), two fixed disk (6) keep away from one side of base (5) all is fixed with power on screw (7) outer wall of two power on screw (7) all threaded connection has power on screw (8);
a protective shell (9) is fixedly arranged on one side, far away from the device body (1), of each base (5), a detection piece (41) is fixedly arranged on the inner top surface of each protective shell (9), a through hole (10) for a power line to pass through is formed in the center of the bottom of each protective shell (9), an air cylinder (11) is fixedly arranged on one side wall of the inner part of each protective shell (9), a rotating mechanism is arranged between the end part of a telescopic rod of each air cylinder (11) and an energizing nut (8), and when the telescopic rod of each air cylinder (11) moves, the rotating mechanism is used for driving the energizing nut (8) to approach or separate from the base (5);
a limit protection mechanism is arranged between the energizing nut (8) and the fixed disc (6), the limit protection mechanism is used for shielding and protecting a wiring position, an air flow circulation mechanism is arranged between the energizing nut (8) and the protective shell (9), and the air flow circulation mechanism is used for conveying air flow to the energizing screw (7);
the rotating mechanism comprises a toothed plate (12) and a connecting rod (13), wherein the toothed plate (12) is fixed at the telescopic end of the air cylinder (11), the connecting rod (13) is fixed at one end of the energizing nut (8) opposite to the fixed disc (6), a gear (14) is fixed on the outer wall of the connecting rod (13), and the gear (14) is meshed with the toothed plate (12);
the limit protection mechanism comprises two sliding grooves (15) and a connecting seat (16), wherein the two sliding grooves (15) are symmetrically formed in the side wall of one side of the base (5) away from the fixed disc (6), the two sliding grooves (15) are internally and fixedly connected with an elastic telescopic rod (17), the two opposite ends of the elastic telescopic rod (17) are fixedly provided with side plates (18), the two side plates (18) are far away from one end of the elastic telescopic rod (17), the first electrifying piece (19) is fixedly arranged at one end of the two side plates (18), the two sliding grooves (15) are fixedly connected with pushing blocks (20) at the inner wall, the inclined planes (21) are formed at the opposite sides of the pushing blocks (20), the connecting seat (16) are rotationally connected with one side of the connecting rod (13) away from the electrifying screw cap (8), the two support plates (22) are symmetrically fixed at one side of the connecting seat (16), the two opposite sides of the support plates (22) are fixedly provided with second tension springs (42) at the opposite sides of the two support plates (22), the two tension springs (42) are fixedly connected with the opposite sides of the two elastic telescopic rods (23), the two second energizing sheets (24) are both connected to one side of the connecting seat (16) far away from the energizing nut (8) in a sliding manner;
the air flow circulation mechanism comprises an air inlet machine (26), the air inlet machine (26) is fixedly installed on one side of the protective shell (9) facing the other side of the protective shell (9), an air outlet of the air inlet machine (26) is fixedly communicated with an air outlet pipe (27), one end of the air inlet machine (26) away from the air outlet pipe (27) is fixedly provided with a shielding plate (28), the shielding plate (28) is away from one side of the air outlet pipe (27) and is provided with a sliding groove (29), the inside of the sliding groove (29) is provided with a vent hole (30), and the vent hole (30) is communicated with the air outlet pipe (27).
2. The solar inverter with convenient maintenance according to claim 1, wherein the two second energizing sheets (24) are fixed with silica gel (25) on the outer surfaces far away from each other, and the two silica gel (25) and the second energizing sheets (24) have the same shape.
3. The solar inverter convenient to maintain according to claim 1, characterized in that a plugging plate (31) is slidably connected in the chute (29), a pushing mechanism is arranged between the plugging plate (31) and the toothed plate (12), the pushing mechanism is used for pushing the plugging plate (31) to plug or open the vent hole (30), two hard communicating pipes (36) are fixedly connected to one side of the plugging plate (31) away from the vent hole (30), one ends of the two hard communicating pipes (36) away from the vent hole (30) are fixedly connected with a wind delivery round seat (37), the wind delivery round seat (37) is slidably sleeved on the outer wall of the power-on screw cap (8), one side of the power-on screw cap (8) away from the connecting rod (13) is fixedly connected with a plurality of air injection heads (38) in a circumferential array, the outer ring of the connecting seat (16) is fixedly connected with supporting seats (39) with the same number as the air injection heads (38), and the air injection heads (38) are fixedly connected to one another in a circumferential array.
4. A solar inverter convenient to maintain according to claim 3, wherein the pushing mechanism comprises a push rod (32), a first push plate (33) and a second push plate (34), the push rod (32) is fixed at the top of the toothed plate (12), the first push plate (33) is fixed at one side of the plugging plate (31) away from the air outlet pipe (27), the second push plate (34) is fixed at one side of the shielding plate (28) away from the air outlet pipe (27), a trigger piece (40) is fixed at one side of the second push plate (34) away from the shielding plate (28), an electric telescopic rod (35) is fixed between the first push plate (33) and the second push plate (34), and the trigger piece (40) is matched with the electric telescopic rod (35).
5. A maintenance control method of a maintenance-friendly solar inverter, which is applied to the maintenance-friendly solar inverter as claimed in any one of claims 1 to 4, characterized in that the maintenance control method comprises the steps of:
step one, acquiring first request information, wherein the first request information is generated after a detection part (41) detects that the humidity information in the air exceeds a preset value;
generating first control information and second control information, wherein the first control information is used for controlling starting of the air cylinder (11), and the second control information is used for controlling starting of the air flow circulation mechanism;
step three, the first control information is sent to the air cylinder (11) to control the starting of the air cylinder (11);
step four, sending second control information to the air flow circulation mechanism to control the air flow circulation mechanism to start;
step five, acquiring second request information, wherein the second request information is generated after the detection piece detects that the humidity information in the air does not reach a preset value;
step six, generating third control information and fourth control information;
step seven, third control information is sent to the air cylinder (11) to control the air cylinder (11) to start reversely;
and step eight, sending fourth control information to the air flow circulation mechanism to control the air flow circulation mechanism to be closed.
6. The maintenance control method of a solar inverter with convenience of maintenance according to claim 5, wherein the detecting member (41) is a temperature and humidity sensor.
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| CN202310972189.XA CN116707324B (en) | 2023-08-03 | 2023-08-03 | Solar inverter convenient to maintain and maintenance control method thereof |
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| CN202310972189.XA CN116707324B (en) | 2023-08-03 | 2023-08-03 | Solar inverter convenient to maintain and maintenance control method thereof |
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| WO2015186208A1 (en) * | 2014-06-04 | 2015-12-10 | 東芝三菱電機産業システム株式会社 | Power device |
| WO2017214484A1 (en) * | 2016-06-10 | 2017-12-14 | Franklin Electric Co., Inc. | Motor drive with moisture control features |
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| KR101187260B1 (en) * | 2012-08-02 | 2012-10-08 | 주식회사 유니테스트 | Inverter apparatus for solar power generator |
| CN208299670U (en) * | 2018-04-26 | 2018-12-28 | 上海诺雅克电气有限公司 | The waterproof construction of frequency converter |
| CN113394702A (en) * | 2021-06-01 | 2021-09-14 | 江苏金友电气有限公司 | Moisture-proof photovoltaic prefabricated substation |
| CN216852721U (en) * | 2022-01-19 | 2022-06-28 | 广东三科新能源有限公司 | Remote control's high frequency inverter |
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