CN116504500A - Energy-saving direct-current energy supply transformer with electromagnetic shielding - Google Patents
Energy-saving direct-current energy supply transformer with electromagnetic shielding Download PDFInfo
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- CN116504500A CN116504500A CN202310779464.6A CN202310779464A CN116504500A CN 116504500 A CN116504500 A CN 116504500A CN 202310779464 A CN202310779464 A CN 202310779464A CN 116504500 A CN116504500 A CN 116504500A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000010960 cold rolled steel Substances 0.000 claims description 4
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- 239000007788 liquid Substances 0.000 abstract description 18
- 238000006243 chemical reaction Methods 0.000 abstract description 10
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
- C25B15/021—Process control or regulation of heating or cooling
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/67—Heating or cooling means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/105—Cooling by special liquid or by liquid of particular composition
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Automation & Control Theory (AREA)
- Housings And Mounting Of Transformers (AREA)
- Regulation Of General Use Transformers (AREA)
Abstract
The invention discloses an energy-saving direct-current energy supply transformer with electromagnetic shielding, which relates to the technical field of transformers and comprises a shielding component, wherein under the action of a circulating demagnetizing component, heat gas generated by transformer operation is extracted into a conveying gas pipe from a honeycomb ventilation wave metal net window under the action of an air extraction fan, high-temperature liquid is converted into low-temperature liquid sequentially through a condenser and an expansion valve and then conveyed into an electrolyte tank from the conveying pipe, the electrolyte tank is supplemented with the electrolyte liquid level, and then under the action of a magnetic induction sensor, a magnetic signal generated by the transformer is converted into an electric signal, so that the electrolyte tank generates an electrolyte reaction, the generated electromagnetic radiation is reduced conveniently, the whole structure forms closed sealing circulation in the shielding cabinet body, the generated electromagnetic radiation is effectively ensured not to overflow and scatter among gaps to cause damage to surrounding human bodies, and the problem of heat dissipation of the whole structure is solved.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to an energy-saving direct-current energy supply transformer with electromagnetic shielding.
Background
The world power transmission system is developing toward more energy-saving and environment-friendly direct current transmission, so scientists are developing corresponding direct current circuit breakers of major power safety control equipment, the direct current circuit breakers need equipment capable of solving the energy supply problem, a transformer is a device for changing alternating current voltage by utilizing the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core (magnetic core), and the main functions are as follows: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), and the like, can be classified into: power transformers and special transformers (electric furnace transformer, rectifier transformer, power frequency test transformer, voltage regulator, mining transformer, audio transformer, intermediate frequency transformer, high frequency transformer, impact transformer, instrument transformer, electronic transformer, reactor, transformer, etc.).
However, in the prior art, electromagnetic radiation pollution is generated during the use process of the dc power supply transformer, when the dc power supply transformer operates at high frequency, the generated electromagnetic radiation overflows to cause damage to surrounding human bodies, and meanwhile, when the dc power supply transformer operates at high frequency, the overall energy consumption of the dc power supply transformer is improved, and even if the load does not consume electric energy, the dc power supply transformer still consumes electric energy, thereby causing resource waste, so that a new energy-saving dc power supply transformer with electromagnetic shielding is needed.
Disclosure of Invention
The invention aims to provide an energy-saving direct-current energy supply transformer with electromagnetic shielding, which aims to solve the problems that in the high-frequency operation and use process of the direct-current energy supply transformer, electromagnetic radiation pollution is generated to cause damage to surrounding human bodies, and meanwhile, when the direct-current energy supply transformer runs at high frequency, the whole energy consumption of the direct-current energy supply transformer is improved, and even if a load does not consume electric energy, the direct-current energy supply transformer still consumes electric energy, so that resource waste is caused.
In order to achieve the above purpose, the present invention provides the following technical solutions: the energy-saving direct current energy supply transformer with electromagnetic shielding comprises a shielding component, wherein a transformer component is arranged in the shielding component, a circulating demagnetizing component is arranged at the top of the shielding component, and a transmission component is arranged at the side edge of the circulating demagnetizing component; the circulating demagnetizing component comprises a shielding shell, a honeycomb ventilation wave metal net window is arranged at the bottom of the shielding shell, an air suction fan is arranged in the shielding shell in an erected mode, the outer wall surface of the shielding shell is communicated with a conveying gas pipe, a condenser is arranged outside the side end of the conveying gas pipe, an expansion valve is arranged outside the condenser, a conveying pipe is communicated with the bottom end of the condenser, an electrolyte tank is communicated with the side end of the conveying pipe, the position, where the conveying pipe is arranged outside the electrolyte tank, of the conveying pipe is at the top one third position, a storage battery pack is arranged at the top of the electrolyte tank, and a positive electrode rod and a negative electrode rod are respectively arranged inside the electrolyte tank; the transmission assembly comprises a mounting shell, a Hall sensor is arranged in the mounting shell, conductive cloth is paved and installed on the side of the mounting shell, a metal net is embedded and installed in the mounting shell, conductive rubber is arranged in the mounting shell, through holes are formed in the left side end surface and the right side end surface of the top of the mounting shell, a servo motor is installed on the side frame of the mounting shell in a erection mode, an internal output shaft end of the servo motor penetrates through the mounting shell, rotating teeth are installed on the side edge tooth angle of the rotating teeth in a meshed mode, a stop block is fixedly installed on the top of the mounting rack, a connecting sheet plate is fixedly installed on the side edge of the stop block, and the connecting sheet plate is fixedly connected with the outer wall surface of the electrolyte tank through a fastening screw.
Preferably, the transformer assembly comprises a transformer shell, the roof surface of transformer shell is installed respectively and is provided with multiunit high-voltage bushing and low-voltage bushing, both ends are all installed and are provided with the cooling radiator about the outer wall of transformer shell, just two wall surfaces all fasten and install the holder about the inside of transformer shell, the relative surface of holder is equipped with the coil through iron core installation cover, transformer tank is installed to the top left side end frame of transformer shell, the bottom installation of transformer tank is provided with the dehumidifier, just the side-mounting of transformer tank is provided with gas relay, the top intercommunication of transformer shell is provided with the safety siphunculus, the side-mounting of transformer tank has the switch assembly through wire electric connection, just the bottom of transformer tank is through wire electric connection solenoid valve, the switch assembly with solenoid valve electric connection, solenoid valve link electric connection has the induction coil and the solenoid valve electric connection that the inside relatively arranged, just solenoid valve and switch assembly installation set up, the bottom fastening end of transformer shell has the third electrically conductive support seat through the side-mounting of three partition supporting seat of bottom wall.
Preferably, the shielding assembly comprises a shielding cabinet body, arc-shaped reflecting surfaces are arranged at the corners of the left side and the right side of the inner top end of the shielding cabinet body, the shielding cabinet body is fixedly connected with each other through cold-rolled steel plates in mortise and tenon mode, and outer shielding plates are adhered and anchored on the surfaces of the side walls of the shielding cabinet body.
Preferably, the middle end of the outer shielding plate is fixedly provided with a protruding joint block, the protruding joint block is in embedded butt joint with the back side surface of the electrolyte tank, and the upper end and the lower end of the inner part of the outer shielding plate are respectively provided with a first shielding net and a second shielding net in a spot welding mode.
Preferably, the bottom wall surface of the shielding cabinet body is provided with grounding posts in a fastening mode, and the bottom of each grounding post is provided with a grounding support in a fastening mode.
Preferably, the left side inner wall surface fastening of shielding cabinet body installs the installation oil tank subassembly, the installation oil tank subassembly includes the mounting panel, the mounting panel is fastened to be connected with the left side surface of transformer casing mutually, the inside fixed mounting of mounting panel has the reinforcing support rib pole.
Preferably, the top of the reinforcing support rib rod is fixedly provided with a transverse support plate, the surface of the top wall of the transverse support plate is riveted with a connecting substrate, and the left end and the right end of the top of the connecting substrate are welded with adjusting bases.
Preferably, the top wall surface of the adjusting base is provided with a groove, the inside of the groove is fixedly connected with a spring piece through a spring cushion block, one end of the spring piece is fixedly connected with an adjusting rod, the top of the adjusting rod is rotationally connected with a clamping rod through a shaft post, the outer wall surface of the clamping rod is embedded with a limiting block in a sliding manner, and the limiting block is fixedly connected with the clamping rod through a limiting pin.
Preferably, the front end setting of shielding cabinet body installs the cabinet door subassembly, the cabinet door subassembly includes the spout in the cabinet door, the inside sliding connection of spout has the metal cabinet door in the cabinet door, the corresponding sealed gomphosis of metal cabinet door is connected with the shielding sealing edge, the right side surface of shielding cabinet body is installed symmetrically about and is provided with small-size cylinder, small-size cylinder is provided with pneumatic cotter through connecting the trachea intercommunication, just the front end surface of shielding cabinet body sets up installs the temperature and humidity sensing display terminal.
Preferably, the bottom wall surface of the grounding support seat is equally divided into three groups of punching grooves, and the second sliding rollers are arranged in the three groups of punching grooves.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, under the action of the circulating demagnetizing component, when the direct-current energy supply transformer works, generated heat gas is extracted from the honeycomb ventilation wave metal net window into the conveying gas pipe under the extraction action of the air extraction fan, then the heat gas is cooled into high-temperature liquid in the condenser, the high-temperature liquid is converted into low-temperature liquid through the expansion valve and then is conveyed into the electrolyte tank from the conveying pipe, the electrolyte liquid level in the electrolyte tank is supplemented, then the magnetic signals generated by the direct-current energy supply transformer can be converted into electric signals under the action of the magnetic induction sensor, so that the storage battery can carry out an electrified reaction on the positive electrode rod and the negative electrode rod, the electrolytic water reaction on the positive electrode rod and the negative electrode rod is facilitated in the electrolyte tank, the electromagnetic radiation generated by the direct-current energy supply transformer is reduced, the whole structure forms a closed sealing circulation in the shielding cabinet body, the generated electromagnetic radiation can not overflow and scatter among gaps to damage surrounding human bodies, and the problem of heat dissipation of the whole structure is solved.
2. According to the invention, under the action of the transmission component and the action of the Hall sensor, the intensity electromagnetic wave of the shielding cabinet body is detected, when the peak value is detected, the Hall sensor enables the servo motor to rotate, so that the rotating teeth perform up-down displacement operation on the tooth angle edge of the mounting rack, the mounting shell, the conductive cloth, the metal mesh and the conductive rubber are synchronously driven to perform Lenz law blocking and reducing on the electromagnetic wave at the peak value, and the influence of electromagnetic radiation generated by the direct current energy supply transformer on the surrounding environment is reduced.
3. According to the invention, under the action of the transformer assembly, when the transformer oil tank works on the transformer shell, the magnetic induction switch controls the operation through the electromagnetic valve which is electrically connected with the induction coils which are oppositely arranged by the internal magnet, and then under the magnetic induction control principle of the electromagnetic valve, the switch assembly is effectively controlled through opening or closing the magnetic induction coils, so that the energy consumption of the direct current energy supply transformer in the load operation process is reduced to the minimum cost.
4. According to the invention, under the action of the installation oil tank assembly, the reinforcing support rib rod is convenient to drive the transverse support plate, the connecting base plate and the adjusting base to install and set the transformer oil tank, the transverse support plate and the connecting base plate are in riveted connection, so that the transformer oil tank is convenient to install and detach, and then the adjusting rod can be driven by the spring piece to rotate and adjust, so that under the action of the axle column, the adjusting rod drives the clamping rod to clamp and fix the volume of the transformer oil tank.
Drawings
Fig. 1 is a schematic diagram of a front view of an energy-saving dc power supply transformer with electromagnetic shielding according to the present invention;
fig. 2 is a schematic diagram of a bottom view of an energy-saving dc power supply transformer with electromagnetic shielding according to the present invention;
FIG. 3 is a schematic diagram of a shielding assembly in an electromagnetic shielding energy-saving DC power supply transformer according to the present invention;
FIG. 4 is a schematic diagram of a circulating degaussing assembly in an electromagnetic shielding energy-saving DC power supply transformer according to the present invention;
FIG. 5 is a schematic diagram of the structure of an oil tank assembly installed in an electromagnetic shielding energy-saving DC power supply transformer according to the present invention;
FIG. 6 is a schematic diagram of a transformer assembly in an electromagnetic shielding energy-efficient DC power transformer according to the present invention;
FIG. 7 is a schematic diagram of a transmission assembly of an electromagnetic shielding energy-saving DC power supply transformer according to the present invention;
fig. 8 is an enlarged schematic diagram of the structure at a in fig. 7 in an energy-saving dc power supply transformer with electromagnetic shielding according to the present invention.
In the figure: 1. a shielding assembly; 11. a shielding cabinet body; 12. an outer shielding plate; 13. a boss block; 14. a first shielding net; 15. a second shielding net; 16. an arc-shaped reflecting surface; 17. a ground connection column; 18. a grounding support base; 2. a transformer assembly; 21. a transformer housing; 22. a high voltage bushing; 23. cooling the heat sink; 24. a clamping frame; 25. a coil; 26. a transformer oil tank; 27. a gas relay; 28. a safety through pipe; 29. a conductive support base; 291. a first slide roller; 3. a cabinet door assembly; 31. a sliding groove in the cabinet door; 32. a metal cabinet door; 33. shielding the sealing edge; 34. a small cylinder; 35. pneumatic pin bolts; 36. a temperature and humidity sensing display end; 4. a cyclic degaussing assembly; 41. a shield case; 43. an air extraction fan; 44. honeycomb ventilation wave metal net window; 45. a gas conveying pipe; 46. a condenser; 47. an expansion valve; 48. a delivery tube; 49. an electrolyte tank; 491. a battery pack; 492. a positive electrode rod; 493. a negative electrode rod; 5. installing an oil tank assembly; 51. a mounting plate; 52. reinforcing the support rib bar; 53. a transverse support plate; 54. a connection substrate; 55. adjusting the base; 56. a spring member; 57. an adjusting rod; 58. a clamping rod; 59. a limiting block; 6. a transmission assembly; 61. a mounting shell; 62. a metal mesh; 63. a conductive cloth; 64. a through port; 65. a servo motor; 66. rotating teeth; 67. installing a rack; 68. a stop block; 69. a connecting sheet plate; 7. notching; 8. and a second sliding roller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one: referring to fig. 1, 3, 4, 7 and 8: the energy-saving direct current energy supply transformer with electromagnetic shielding comprises a shielding component 1, wherein a transformer component 2 is arranged in the shielding component 1, a circulating demagnetizing component 4 is arranged at the top of the shielding component 1, and a transmission component 6 is arranged on the side edge of the circulating demagnetizing component 4; the circulation demagnetizing component 4 comprises a shielding shell 41, a honeycomb ventilation wave metal net window 44 is arranged at the bottom of the shielding shell 41, an air suction fan 43 is erected in the shielding shell 41, the outer wall surface of the shielding shell 41 is communicated with a conveying gas pipe 45, a condenser 46 is arranged outside the side end of the conveying gas pipe 45, an expansion valve 47 is arranged outside the condenser 46, a conveying pipe 48 is communicated with the bottom end of the condenser 46, an electrolyte tank 49 is communicated with the side end of the conveying pipe 48, the position of the conveying pipe 48, which is communicated with the outside of the electrolyte tank 49, is the top third position, a storage battery 491 is arranged at the top of the electrolyte tank 49, and a positive electrode rod 492 and a negative electrode rod 493 are respectively arranged inside the electrolyte tank 49; the transmission assembly 6 comprises a mounting shell 61, a Hall sensor is arranged in the mounting shell 61, a conductive cloth 63 is paved and mounted on the side of the mounting shell 61, a metal net 62 is mounted in the mounting shell 61 in an embedded mode, conductive rubber is arranged in the mounting shell 61, through holes 64 are formed in the left side end surface and the right side end surface of the top of the mounting shell 61 in a penetrating mode, a servo motor 65 is mounted on the side edge of the mounting shell 61 in a erection mode, an inner output shaft end of the servo motor 65 penetrates through the mounting shell 61 to be sleeved with rotary teeth 66, a mounting rack 67 is meshed and connected with a side tooth angle of the rotary teeth 66, a stop block 68 is fixedly mounted on the top of the mounting rack 67, a connecting sheet plate 69 is mounted on the side edge of the stop block 68 in a fastening mode, and the connecting sheet plate 69 is connected with the outer wall surface of the electrolyte tank 49 in a fastening mode through fastening screws.
The effect achieved by the first embodiment is that when the direct current power supply transformer operates, the generated heat gas is extracted from the honeycomb ventilation wave metal mesh window 44 to the conveying gas pipe 45 under the extraction action of the air extraction fan 43, then the heat gas is cooled to become high-temperature liquid in the condenser 46, the high-temperature liquid is converted to low-temperature liquid through the expansion valve 47, then the low-temperature liquid is conveyed to the electrolyte tank 49 from the conveying pipe 48, the electrolyte liquid level in the electrolyte tank 49 is supplemented, then the magnetic signal generated by the direct current power supply transformer can be converted into an electric signal under the action of the magnetic induction sensor, so that the battery pack 491 performs the electrified reaction on the positive electrode rod 492 and the negative electrode rod 493, and then the positive electrode rod 492 and the negative electrode rod 493 perform the electrolytic water reaction in the electrolyte tank 49, the electromagnetic radiation generated by the direct current power supply transformer is convenient to reduce, the whole structure forms a closed sealing circulation in the shielding cabinet 11, the generated electromagnetic radiation is effectively ensured not to overflow and scatter among gaps to damage surrounding human bodies, the problem of heat dissipation of the whole structure is solved, meanwhile, the inside of the shielding cabinet 11 is ensured, the connecting sheet 69 is fixedly connected with the outer wall surface of the electrolyte tank 49 through the fastening screw, the intensity electromagnetic wave of the shielding cabinet 11 is detected under the action of the Hall sensor, when the peak value is detected, the Hall sensor ensures that the servo motor 65 rotates, the rotating teeth 66 carry out up-down displacement operation at the tooth angle edge of the mounting rack 67, the mounting shell 61, the conductive cloth 63, the metal net 62 and the conductive rubber are synchronously driven to carry out the blocking and reducing of Lenz law on the electromagnetic wave at the peak value, and the influence of electromagnetic radiation generated by the direct current energy supply transformer on the surrounding environment is reduced.
Embodiment two: according to the fig. 1, fig. 2, fig. 3 and fig. 6 show, the transformer assembly 2 includes transformer casing 21, the roof surface of transformer casing 21 is installed respectively and is provided with multiunit high-voltage sleeve 22 and low-voltage sleeve, both ends are all installed and are provided with cooling radiator 23 about the outer wall of transformer casing 21, and the inside upper and lower both walls surface of transformer casing 21 all fastens and install holder 24, the opposite surface of holder 24 is equipped with coil 25 through the iron core installation cover, transformer tank 26 is installed to the top left side end frame of transformer casing 21, the bottom installation of transformer tank 26 is provided with the dehumidifier, and the side-mounting of transformer tank 26 is provided with gas relay 27, the top intercommunication setting of transformer casing 21 is provided with safety tube 28, the side-mounting of transformer tank 26 is provided with the switch assembly through the wire electric connection, and the bottom of transformer tank 26 is provided with the solenoid valve through wire electric connection, the link of switch assembly and solenoid valve electric connection, the magnetic induction switch is provided with the induction coil and the solenoid valve electric connection of relative arrangement through inside magnet electric connection, and solenoid valve and switch assembly looks setting up installation, the bottom of transformer casing 21 is provided with the third electric conduction seat 29 through the side-mounting of the side-mounting seat of the three contact roller seat.
The second embodiment of the present invention achieves the effect that when the transformer oil tank 26 works on the transformer housing 21 under the action of the switch assembly, the magnetic induction switch performs control operation through the electromagnetic valve electrically connected with the induction coils arranged oppositely by the internal magnets, the electromagnetic valve adopts DN-15 model, and then the switch assembly is effectively controlled by opening or closing the induction coils under the magnetic induction control principle of the electromagnetic valve, so that the energy consumption of the dc energy supply transformer in the load operation process is reduced at the lowest cost.
Embodiment III: according to fig. 1, 2, 3 and 5, the shielding assembly 1 comprises a shielding cabinet 11, arc-shaped reflecting surfaces 16 are arranged at the left and right side corners of the inner top end of the shielding cabinet 11, the shielding cabinet 11 is fixedly connected with each other through cold-rolled steel plates in mortise and tenon joint, an outer shielding plate 12 is fixedly adhered to the side wall surface of the shielding cabinet 11, a convex block 13 is fixedly arranged at the middle end of the outer shielding plate 12, the convex block 13 is mutually embedded and butted with the back side surface of an electrolyte tank 49, a first shielding net 14 and a second shielding net 15 are respectively arranged at the upper and lower ends of the inner part of the outer shielding plate 12 in a spot welding mode, a ground connection column 17 is fixedly arranged at the bottom of the ground connection column 17 in a relatively fastened mode, a ground connection support seat 18 is fixedly arranged at the bottom of the ground connection column 11, an installation oil tank assembly 5 is fixedly arranged at the left inner wall surface of the shielding cabinet 11, the installation oil tank assembly 5 comprises an installation plate 51, the mounting plate 51 is fixedly connected with the left outer surface of the transformer shell 21, the reinforcing support rib rod 52 is fixedly arranged in the mounting plate 51, the transverse support plate 53 is fixedly arranged at the top of the reinforcing support rib rod 52, the top wall surface of the transverse support plate 53 is riveted with the connecting base plate 54, the left and right ends of the top of the connecting base plate 54 are welded with the adjusting base plate 55, the top wall surface of the adjusting base plate 55 is provided with a groove, the inside of the groove is fixedly connected with a spring piece 56 through a spring cushion block, one end of the spring piece 56 is fixedly connected with the adjusting rod 57, the top of the adjusting rod 57 is rotatably connected with the clamping rod 58 through a shaft column, the outer wall surface of the clamping rod 58 is embedded and slidably provided with the limiting block 59, the limiting block 59 is fixedly connected with the clamping rod 58 through a limiting pin, the front end of the shielding cabinet 11 is provided with the cabinet door assembly 3, the cabinet door assembly 3 comprises a cabinet door inner sliding groove 31, the inside sliding connection of spout 31 has metal cabinet door 32 in the cabinet door, and metal cabinet door 32 corresponds sealed gomphosis and is connected with shielding sealing edge 33, and the right side surface of shielding cabinet 11 is installed symmetrically from top to bottom and is provided with small-size cylinder 34, and small-size cylinder 34 is provided with pneumatic cotter 35 through connecting the trachea intercommunication, and the front end surface setting of shielding cabinet 11 installs temperature and humidity sensing display end 36, and the diapire surface etc. of ground connection supporting seat 18 separately are equipped with three group's punching grooves 7, and the inside of three group's punching grooves 7 is all installed and is provided with second slip gyro wheel 8.
The third embodiment achieves the effects that when the dc power supply transformer works in the shielding cabinet 11, the generated electromagnetic radiation is blocked by the outer shielding plate 12, the first shielding net 14 and the second shielding net 15, the whole shielding cabinet 11 is fixedly connected by the cold-rolled steel plates via mortise and tenon joints, the electromagnetic radiation scattered from the gap is blocked by the electromagnetic radiation resisting glue filled in the connecting gap, then the grounding work is performed under the cooperation of the grounding post 17 and the grounding support base 18, the resistance generated by grounding is less than or equal to 0.1 Ω, the service life of the dc power supply transformer is ensured, the left outer surface of the transformer shell 21 is fixedly connected by the mounting plate 51, the transverse support plate 53, the connecting base plate 54 and the adjusting base 55 are driven by the reinforcing support rib 52 to install and set the transformer oil tank 26, the transverse supporting plate 53 and the connecting base plate 54 are riveted and connected, the installation and the disassembly are convenient, afterwards, the adjusting rod 57 can be driven by the spring piece 56 to rotate and adjust, so that under the action of the axle post, the adjusting rod 57 drives the clamping rod 58 to clamp and fix the volume of the transformer oil tank 26, afterwards, the two ends of the clamping rod 58 are embedded and slidably installed by the limiting block 59, after the adjustment, the limiting pin is used for fixing the limiting block 59 and the clamping rod 58, when the shielding cabinet 11 needs to be opened and closed, under the manual operation, the metal cabinet door 32 can be slidably opened and closed in the sliding groove 31 in the cabinet door, when the metal cabinet door 32 is closed, the metal cabinet door 32 is connected with the shielding sealing edge 33, the electromagnetic radiation generated by the direct current energy supply transformer is ensured not to overflow from the metal cabinet door 32 and the shielding sealing edge 33, afterwards, the whole device is convenient to move through the punching groove 7 and the second sliding roller 8, then under the action of the small-sized air cylinder 34, the pneumatic pin bolt 35 is used for fixedly limiting the metal cabinet door 32 and the shielding sealing edge 33, and meanwhile under the action of the temperature and humidity sensing display end 36, the temperature and humidity inside the shielding cabinet body 11 are conveniently detected, the air extraction fan 43 is further electrically connected, the air extraction fan 43 is used for working, heat gas generated by the direct-current energy supply transformer is adsorbed and radiated, and the whole service life of the direct-current energy supply transformer is guaranteed.
The wiring diagrams of the gas relay 27, the small cylinder 34, the pneumatic pin 35, the temperature and humidity sensing display end 36, the condenser 46, the magnetic induction sensor, the hall sensor and other devices in the invention belong to common knowledge in the field, the working principle is a known technology, and the model of the wiring diagrams is selected to be suitable according to the actual use, so that the control mode and wiring arrangement of the gas relay 27, the small cylinder 34, the pneumatic pin 35, the temperature and humidity sensing display end 36, the condenser 46, the magnetic induction sensor, the hall sensor and other devices are not explained in detail.
The application method and the working principle of the device are as follows: firstly, the temperature and humidity inside the shielding cabinet 11 are detected through the temperature and humidity sensing display end 36, when the heat gas generated by the operation of the direct current energy supply transformer inside the shielding cabinet 11 is extracted through the extraction function of the air extraction fan 43, the heat gas flow is extracted into the conveying gas pipe 45 from the honeycomb ventilation wave metal net window 44, then the high-temperature liquid is cooled into high-temperature liquid in the condenser 46, after the high-temperature liquid is converted into low-temperature liquid through the expansion valve 47, the low-temperature liquid is conveyed into the electrolyte tank 49 from the conveying pipe 48, the electrolyte liquid level inside the electrolyte tank 49 is supplemented, then the magnetic signal generated by the direct current energy supply transformer can be converted into an electric signal through the function of the magnetic induction sensor, so that the storage battery 491 carries out the electrified reaction on the positive electrode rod 492 and the negative electrode rod 493, and further the positive electrode rod 492 and the negative electrode rod 493 generate the electrolytic reaction inside the electrolyte tank 49, the electromagnetic radiation generated by the direct current energy supply transformer is conveniently reduced, the whole structure forms a closed sealing circulation in the shielding cabinet 11, the generated electromagnetic radiation is effectively ensured not to overflow and scatter among gaps to damage surrounding human bodies, the problem of heat dissipation of the whole structure is solved, then under the action of the Hall sensor, the intensity electromagnetic wave of the shielding cabinet 11 is detected, when a peak value is detected, the Hall sensor enables the servo motor 65 to rotate, the rotating teeth 66 carry out up-and-down displacement operation at the tooth angle edge of the mounting rack 67, the mounting shell 61, the conductive cloth 63, the metal mesh 62 and the conductive rubber are synchronously driven to carry out the obstruction and subtraction of Lenz law on the electromagnetic wave at the peak value, the influence of the electromagnetic radiation generated by the direct current energy supply transformer on the surrounding environment is reduced, and then when the direct current energy supply transformer is started, when the transformer oil tank 26 works on the transformer shell 21 under the action of the switch assembly, the magnetic induction switch controls the operation through the electromagnetic valve which is electrically connected with the induction coils which are oppositely arranged by the internal magnets, and then under the magnetic induction control principle of the electromagnetic valve, the switch assembly is effectively controlled through the opening or closing of the induction coils, so that the energy consumption of the direct current energy supply transformer in the load operation process is reduced to the lowest cost limit.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that various modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, and any modifications, equivalents, improvements or modifications made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. An energy-saving direct current energy supply transformer with electromagnetic shielding, which is characterized in that: the transformer comprises a shielding assembly (1), wherein a transformer assembly (2) is arranged in the shielding assembly (1), a circulating demagnetizing assembly (4) is arranged at the top of the shielding assembly (1), and a transmission assembly (6) is arranged on the side edge of the circulating demagnetizing assembly (4);
the circulating demagnetizing component (4) comprises a shielding shell (41), a honeycomb ventilation wave metal net window (44) is arranged at the bottom of the shielding shell (41), an air suction fan (43) is installed in the shielding shell (41) in a erected mode, a conveying gas pipe (45) is communicated with the outer wall surface of the shielding shell (41), a condenser (46) is installed outside the side end of the conveying gas pipe (45), an expansion valve (47) is installed outside the condenser (46), a conveying pipe (48) is communicated with the bottom end of the condenser (46), an electrolyte tank (49) is communicated with the side end of the conveying pipe (48), the conveying pipe (48) is arranged at the position of the top third of the outside installation communicating position of the electrolyte tank (49), a storage battery pack (491) is installed at the top of the electrolyte tank (49), and a positive electrode rod (492) and a negative electrode rod (493) are respectively arranged inside the electrolyte tank (49);
the transmission assembly (6) comprises a mounting shell (61), a Hall sensor is arranged in the mounting shell (61), a conductive cloth (63) is paved and installed on the side of the mounting shell (61), a metal net (62) is embedded and installed in the mounting shell (61), conductive rubber is arranged in the mounting shell (61), through holes (64) are formed in the left side end surface and the right side end surface of the top of the mounting shell (61), a servo motor (65) is installed on the side frame of the mounting shell (61), a rotating tooth (66) is installed on the side frame of the servo motor (65) in a penetrating mode, a mounting rack (67) is meshed and connected with the side angle of the rotating tooth (66), a stop block (68) is fixedly installed on the top of the mounting rack (67), a connecting sheet plate (69) is fixedly installed on the side of the stop block (68), and the connecting sheet plate (69) is fixedly connected with the outer wall surface of the electrolytic tank (49) through a fastening screw.
2. An electromagnetic shielding energy-saving dc power supply transformer according to claim 1, characterized in that: the transformer assembly (2) comprises a transformer shell (21), a plurality of groups of high-voltage bushings (22) and low-voltage bushings are respectively arranged on the top wall surface of the transformer shell (21), cooling radiators (23) are respectively arranged at the left end and the right end of the outer wall of the transformer shell (21), clamping frames (24) are respectively and firmly arranged on the upper wall surface and the lower wall surface of the inside of the transformer shell (21), coils (25) are arranged on the opposite surfaces of the clamping frames (24) through iron core installation sleeves, a transformer oil tank (26) is arranged at the left end of the top of the transformer shell (21), a dehumidifier is arranged at the bottom of the transformer oil tank (26), a gas relay (27) is arranged at the side end of the transformer oil tank (26), the top of the transformer shell (21) is communicated with a safety through pipe (28), the side end of the transformer oil tank (26) is electrically connected with a switch assembly through a wire, the bottom of the transformer oil tank (26) is electrically connected with an electromagnetic valve through a wire, the switch assembly is electrically connected with the electromagnetic valve, the connecting end of the electromagnetic valve is electrically connected with a magnetic induction switch, the magnetic induction switch is electrically connected with the electromagnetic valve through an induction coil which is oppositely arranged by an internal magnet, the electromagnetic valve and the switch assembly are arranged, the left end and the right end of the bottom of the transformer shell (21) are fixedly connected with conductive supporting seats (29), the bottom wall surface of the conductive supporting seat (29) is provided with a first sliding roller (291) through three groups of mounting grooves which are formed in an equally dividing mode.
3. An electromagnetic shielding energy-saving dc power supply transformer according to claim 1, characterized in that: the shielding assembly (1) comprises a shielding cabinet body (11), arc-shaped reflecting surfaces (16) are arranged at the corners of the left side and the right side of the inner top end of the shielding cabinet body (11), the shielding cabinet body (11) is fixedly connected through cold-rolled steel plates in mortise and tenon mode, and outer shielding plates (12) are adhered and anchored on the surfaces of the side walls of the shielding cabinet body (11).
4. An electromagnetic shielding energy-saving dc power supply transformer according to claim 3, wherein: the middle end of the outer shielding plate (12) is fixedly provided with a protruding joint block (13), the protruding joint block (13) is in embedded butt joint with the back side surface of the electrolyte tank (49), and the upper end and the lower end of the inner part of the outer shielding plate (12) are respectively provided with a first shielding net (14) and a second shielding net (15) in a spot welding mode.
5. An electromagnetic shielding energy-saving dc power supply transformer according to claim 3, wherein: the bottom wall surface of the shielding cabinet body (11) is provided with grounding posts (17) in a fastening mode, and the bottom of each grounding post (17) is provided with a grounding support seat (18) in a fastening mode.
6. An electromagnetic shielding energy-saving dc power supply transformer according to claim 3, wherein: the shielding cabinet is characterized in that an installation oil tank assembly (5) is fixedly arranged on the surface of the left inner wall of the shielding cabinet body (11), the installation oil tank assembly (5) comprises an installation plate (51), the installation plate (51) is fixedly connected with the left outer surface of the transformer shell (21), and a reinforcing support rib rod (52) is fixedly arranged in the installation plate (51).
7. An electromagnetic shielding energy-saving dc power supply transformer according to claim 6, wherein: the top of the reinforcing support rib rod (52) is fixedly provided with a transverse support plate (53), the top wall surface of the transverse support plate (53) is riveted with a connecting base plate (54), and the left end and the right end of the top of the connecting base plate (54) are welded with adjusting bases (55).
8. An electromagnetic shielding energy-saving dc power supply transformer according to claim 7, wherein: the top wall surface of adjusting base (55) is seted up flutedly, the inside of recess is connected with spring spare (56) through spring cushion fastening, the one end fastening of spring spare (56) is connected with regulation pole (57), the top of adjusting pole (57) is connected with clamping lever (58) through the pedestal rotation, the outer wall surface looks gomphosis slidable mounting of clamping lever (58) has stopper (59), just stopper (59) pass through the spacer pin with clamping lever (58) are fastened and are connected mutually.
9. An electromagnetic shielding energy-saving dc power supply transformer according to claim 3, wherein: the cabinet door assembly is characterized in that a cabinet door assembly (3) is arranged at the front end of the shielding cabinet body (11), the cabinet door assembly (3) comprises a cabinet door inner sliding groove (31), a metal cabinet door (32) is connected to the inner sliding of the cabinet door inner sliding groove (31), a shielding sealing edge (33) is connected to the metal cabinet door (32) in a corresponding sealing embedding mode, a small-sized air cylinder (34) is symmetrically arranged on the outer surface of the right side of the shielding cabinet body (11) up and down, a pneumatic pin bolt (35) is arranged on the small-sized air cylinder (34) through connecting air pipes in a communicating mode, and a temperature and humidity sensing display end (36) is arranged on the surface of the front end of the shielding cabinet body (11).
10. An electromagnetic shielding energy-saving dc power supply transformer according to claim 5, wherein: three groups of punching grooves (7) are formed in the bottom wall surface of the grounding support seat (18) at equal intervals, and second sliding rollers (8) are arranged in the three groups of punching grooves (7).
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| CN202310779464.6A CN116504500B (en) | 2023-06-29 | 2023-06-29 | Energy-saving direct-current energy supply transformer with electromagnetic shielding |
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| CN202310779464.6A CN116504500B (en) | 2023-06-29 | 2023-06-29 | Energy-saving direct-current energy supply transformer with electromagnetic shielding |
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| CN116504500B CN116504500B (en) | 2023-09-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117334453A (en) * | 2023-12-01 | 2024-01-02 | 江苏科兴电器有限公司 | Environment-friendly gas-insulated direct-current energy supply transformer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299384A (en) * | 2008-02-28 | 2008-11-05 | 武汉大学 | Jump reactance current limiter |
| CN203339924U (en) * | 2013-05-30 | 2013-12-11 | 青岛理工大学 | Power generation and passive control system of vibration plate girder structure |
| CN114520100A (en) * | 2022-03-04 | 2022-05-20 | 庐江兆润电子有限公司 | Transformer capable of reducing electromagnetic interference |
-
2023
- 2023-06-29 CN CN202310779464.6A patent/CN116504500B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299384A (en) * | 2008-02-28 | 2008-11-05 | 武汉大学 | Jump reactance current limiter |
| CN203339924U (en) * | 2013-05-30 | 2013-12-11 | 青岛理工大学 | Power generation and passive control system of vibration plate girder structure |
| CN114520100A (en) * | 2022-03-04 | 2022-05-20 | 庐江兆润电子有限公司 | Transformer capable of reducing electromagnetic interference |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117334453A (en) * | 2023-12-01 | 2024-01-02 | 江苏科兴电器有限公司 | Environment-friendly gas-insulated direct-current energy supply transformer |
| CN117334453B (en) * | 2023-12-01 | 2024-02-06 | 江苏科兴电器有限公司 | Environment-friendly gas-insulated direct-current energy supply transformer |
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| CN116504500B (en) | 2023-09-05 |
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Denomination of invention: An energy-saving DC power supply transformer with electromagnetic shielding Granted publication date: 20230905 Pledgee: Bank of Nanjing Co.,Ltd. Taizhou Branch Pledgor: JIANGSU COSINE ELECTRIC CO.,LTD. Registration number: Y2024980007653 |