CN116130224B - TI-shaped three-phase integrated PFC inductor - Google Patents
TI-shaped three-phase integrated PFC inductor Download PDFInfo
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- CN116130224B CN116130224B CN202310292459.2A CN202310292459A CN116130224B CN 116130224 B CN116130224 B CN 116130224B CN 202310292459 A CN202310292459 A CN 202310292459A CN 116130224 B CN116130224 B CN 116130224B
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- 230000010354 integration Effects 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 7
- 239000003381 stabilizer Substances 0.000 claims description 18
- 238000009423 ventilation Methods 0.000 claims description 17
- 230000017525 heat dissipation Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 230000002035 prolonged effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000001746 injection moulding Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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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
- H01F27/24—Magnetic cores
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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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Power Engineering (AREA)
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Abstract
The application discloses a TI-shaped three-phase integrated PFC inductor which comprises a T-shaped magnetic core, wherein a coil is circumferentially arranged on the outer wall of the T-shaped magnetic core, six groups of T-shaped magnetic cores are symmetrically arranged, the outer wall of the coil is connected with an I-shaped magnetic core, the bottom of the coil is symmetrically connected with supporting legs, a locating frame is circumferentially arranged on the outer wall of the T-shaped magnetic core, and the locating frame is located on one side of the coil. The T-shaped magnetic core and the I-shaped magnetic core are arranged, so that the volume and the weight of the TI-shaped three-phase integrated PFC inductor can be optimized, the manufacturing cost is reduced, the TI-shaped three-phase integrated PFC inductor is integrated into one inductor through integrating six groups of T-shaped magnetic cores, four groups of I-shaped magnetic cores and three groups of coils, meanwhile, the safe operation under the single-phase and three-phase conditions can be realized, the other two winding inductors are decoupled when the single-phase operation is realized, the number of magnetic parts is reduced, and the purposes of light weight and high integration are realized by integrating the original three inductors into one inductor.
Description
Technical Field
The application relates to the technical field of inductors, in particular to a TI-shaped three-phase integrated PFC inductor.
Background
The inductance is a passive electric element composed of coils, is a two-end element used for filtering, timing and power electronic application, belongs to an energy storage element, can convert electric energy into magnetic energy and store the magnetic energy, the battery capacity of the existing new energy automobile is larger and larger, the vehicle-mounted charger needs larger power, the 22KW OBC is wider in application, and the volume and the weight of the existing integrated PFC inductance are optimized when the existing integrated PFC inductance is used on a three-phase switching power supply, and meanwhile the loss of manufacturing cost is reduced.
The defects of the traditional TI-shaped three-phase integrated PFC inductor are as follows:
1. patent document CN208922821U discloses a PFC inductor, "comprising an insulating housing and at least two toroidal inductors disposed inside the insulating housing, a fixing column and a lead guide are disposed on the insulating housing, and a heat-conducting silica gel is encapsulated between the insulating housing and the toroidal inductors. The insulating shell is adopted to isolate the annular inductor from other circuit elements, so that potential safety hazards of products are avoided, the stability of the products is improved, heat-conducting silica gel is filled between the PFC inductor and the insulating shell in a sealing mode, and the heat dissipation requirement can be met;
2. patent document CN206163282U discloses a PFC inductor, "it includes an air core coil and injection molding skeleton integrated component, an upper magnetic core and a lower magnetic core, the air core coil and injection molding skeleton integrated component includes an injection molding skeleton and an air core coil, the injection molding skeleton wraps the air core coil; the injection molding framework is provided with a central hole, and two sides of the injection molding framework are respectively provided with a first stitch leading-out part and a second stitch leading-out part; the lower magnetic core is provided with a lower cylindrical part and a coil placing groove, and the upper magnetic core is provided with an upper cylindrical part and a coil placing groove; the hollow coil and injection molding framework integrated assembly is arranged in a coil placing groove of the lower magnetic core and the upper magnetic core, the upper cylindrical part of the upper magnetic core is arranged in a central hole of the injection molding framework, and the lower cylindrical part of the lower magnetic core is arranged in the central hole of the injection molding framework; two end parts of the hollow coil extend out of the first pin leading-out part and the second pin leading-out part respectively; the PFC inductor disclosed in the publication can be widely applied to the technical field of inductors, but mainly solves the technical problems that the traditional PFC inductor is easy to generate voltage-resistant abnormality, the terminal is easy to generate welding leakage and the production efficiency is low, and does not consider the problem of improving the splicing stability of the inductor, so that a structure capable of improving the splicing stability of the TI-shaped three-phase integrated PFC inductor is necessary to be researched, and the phenomenon that the TI-shaped three-phase integrated PFC inductor is scattered can be avoided;
3. patent document CN217740323U discloses a PFC inductor, "it includes frame member, base member and coil assembly, and the mounting hole that is used for holding the base member is offered to frame member inside, and the base member includes skeleton and pin, pin and skeleton fixed connection, coil assembly cover locate on the skeleton, and the length of base member is greater than the length of skeleton along the opening direction of mounting hole, and the one end that the pin was kept away from to the base member is with frame member fixed connection. The PFC inductor disclosed by the application has the advantages that when the PFC inductor is arranged on the circuit board, the outer frame member is not easily affected by the positions of other components on the circuit board, and the installation of the PFC inductor can be facilitated, however, the PFC inductor disclosed by the publication is mainly considered to be convenient for the installation of the PFC inductor, and the problem of heat dissipation efficiency through the inductor is not considered, so that a structure capable of improving the heat dissipation efficiency of the TI-shaped three-phase integrated PFC inductor is necessary to be researched, and the service life of the TI-shaped three-phase integrated PFC inductor is further prolonged;
4. patent document CN209591746U discloses a PFC inductor, "comprising a coil assembly and a magnetic core, wherein the coil assembly comprises an injection molding framework and a coil, the upper bottom surface and the lower bottom surface of the injection molding framework are both provided with central holes, and the two central holes are connected with each other to form a central hole column; the whole injection molding framework is of a cuboid structure; the coil is positioned in the injection molding framework and wound on the central hole column; the edge of the central hole of the lower bottom surface of the injection molding framework extends inwards to form an annular bracket; the magnetic core comprises a middle column magnetic core and a square-shaped magnetic core, and the square-shaped magnetic core is provided with a rectangular through hole; the middle column magnetic core is fixedly arranged on the annular bracket, the square-shaped magnetic core is sleeved on the injection molding framework, and the square-shaped magnetic core covers the upper end face, the lower end face, the front end face and the rear end face of the injection molding framework; the gap between the center pillar magnetic core and the inner wall of the center hole pillar and between the center pillar magnetic core and the notch-shaped magnetic core exist, however, the PFC inductor disclosed in the above publication mainly solves the technical problems of poor voltage resistance, wasted magnetic core and complicated processing technology of the traditional PFC inductor, and does not consider the problem of improving the connection stability of the support leg and the coil, so that a structure capable of improving the connection stability of the TI-shaped three-phase integrated PFC inductor support leg and the coil is necessary to be researched, and further, the support leg can be prevented from shaking to cause the fracture and separation of the connection part of the support leg and the coil.
Disclosure of Invention
The application aims to provide a TI-shaped three-phase integrated PFC inductor, which aims to solve the technical problem of optimizing the volume and the weight of the TI-shaped three-phase integrated PFC inductor in the background technology.
In order to achieve the above purpose, the present application provides the following technical solutions: a TI-shaped three-phase integrated PFC inductor comprising:
the T-shaped magnetic core is arranged on the outer wall of the T-shaped magnetic core in a surrounding mode, six groups of the T-shaped magnetic cores are symmetrically arranged, the outer wall of the coil is connected with the I-shaped magnetic core, four groups of the I-shaped magnetic cores are symmetrically arranged, and the bottoms of the coils are symmetrically connected with supporting legs;
the outer wall of the T-shaped magnetic core is circumferentially provided with a locating frame, and the locating frame is located at one side of the coil.
Preferably, the outer wall symmetry of locating rack is provided with the knob, and the inner wall of locating rack is provided with the sliding tray, and the sliding tray includes threaded rod, sliding plate and screw sleeve, and the one end of threaded rod and the outer wall fixed connection of knob, screw sleeve inlay the inner wall of installing at the sliding plate, and the one end of threaded rod wears to establish in screw sleeve's inside.
Preferably, one end of the sliding plate is fixedly connected with a limiting plate, and the outer wall of the limiting plate is fixedly connected with a rubber plate.
Preferably, the outer wall of locating rack is connected with the fixed plate, and the outer wall fixedly connected with box of fixed plate, the inner wall of box are provided with the fan, and the outer wall of box covers there is the filter screen.
Preferably, the appearance of stabilizer blade is rectangular form, and the top is the input sealing connection of coil, and the sliding tray appearance is rectangle, and four sets of symmetries in total set up in the inside of locating rack, and limiting plate totally two sets of symmetries set up in one side of locating rack, and the filter screen appearance is square fixed setting in one side of box.
Preferably, the outer wall of the fixed plate is connected with a ventilation groove, the output end of the fan is in sealing connection with the input end of the ventilation groove, and an exhaust hole is formed in the outer wall of the ventilation groove.
Preferably, the bottom of locating rack fixedly connected with bottom plate, the top symmetry of bottom plate is provided with runs through the groove, and the one end of stabilizer blade wears to establish in the inside of running through the groove.
Preferably, the inner wall of bottom plate is inlayed and is installed three group's stopper, the stopper includes slider, rubber piece and holding ring, the slider symmetry sets up the inner wall at the stopper, the rubber piece is connected with the outer wall of slider, the inner wall of slider is provided with the round hole, the one end fixedly connected with nut of round hole, holding ring symmetry sets up the inside at the stopper, and holding ring is located one side of slider, the dwang is worn to be equipped with by holding ring's inner wall, the equal fixedly connected with bolt in both ends of dwang, and the one end of bolt wears to establish the inside at the nut, the screw thread of two sets of bolts is opposite in order to be used for making nut opposite movement, the outer wall of dwang encircles and installs the runner, the bottom of stopper is provided with square groove, and the inside of limiter is extended through square groove to the bottom of runner.
A use method of a TI-shaped three-phase integrated PFC inductor comprises the following steps:
s1, when the TI-shaped three-phase integrated PFC inductor is used, the TI-shaped three-phase integrated PFC inductor is integrated into one inductor through integrating six groups of T-shaped magnetic cores, four groups of I-shaped magnetic cores and three groups of coils, meanwhile, safe operation can be realized under the conditions of single phase and three phases, the other two winding inductors are decoupled when the single phase works, the number of magnetic parts is reduced, the original three inductors are integrated into one inductor, the three phases and single-phase working states can be kept in a stable state when being switched, other circuits are not influenced by the decoupling mode when the single-phase works, and the purposes of light weight and high integration are realized;
s2, when the TI-shaped three-phase integrated PFC inductor is spliced, after the T-shaped magnetic core, the I-shaped magnetic core and the three groups of coils are spliced into one inductor, the spliced inductor is placed in the positioning frame, the threaded rod is driven to rotate by the rotating knob, the position of the threaded rod is moved when the threaded rod rotates, the sliding plate is driven to horizontally slide in the sliding groove through the position movement of the threaded rod, the position of the limiting plate is driven to move when the position of the sliding plate is moved, after one side of the rubber plate is contacted with the outer wall of the inductor placed in the positioning frame, the splicing stability of the internal inductor can be improved, the aim of improving the splicing stability of the inductor is fulfilled, and the occurrence of a random phenomenon is effectively avoided;
s3, when the TI-shaped three-phase integrated PFC inductor is subjected to heat dissipation and temperature reduction, the air in the box body is extracted by the air machine to generate wind power, the wind power flows into the ventilation groove and then is blown to the surface of the TI-shaped three-phase integrated PFC inductor through the exhaust hole, when the temperature of the TI-shaped three-phase integrated PFC inductor is too high, the wind power carries heat in the inductor through the TI-shaped three-phase integrated PFC inductor, so that the heat of the TI-shaped three-phase integrated PFC inductor is rapidly dissipated, the purpose of improving the heat dissipation efficiency of the TI-shaped three-phase integrated PFC inductor is achieved, and the service life of the TI-shaped three-phase integrated PFC inductor can be prolonged;
s4, TI shape three-phase integration PFC inductance is in the during the use, in order to prevent that the position of stabilizer blade from sliding, lead to not hard up with the coil junction, the manual work rotates the runner and drives the dwang and rotate in the inside of holding ring, drive two sets of bolts and rotate when the dwang rotates, because the screw thread that two sets of bolt surfaces set up is opposite, can make two sets of nuts remove to opposite reverse when two sets of bolts rotate, the position that drives the slider through the round hole removes when the nut removes, the one end that promotes the rubber piece removes to enter into the inside of running through the groove when the position of slider removes, the rubber piece removes to enter into the inside of running through the groove after, fix the stabilizer blade position of wearing to establish inside, and then can avoid the stabilizer blade to lead to the emergence with coil separation phenomenon when receiving external factor' S influence position to rock, reach the purpose that improves stabilizer blade and coil connection stability.
Preferably, in the step S1, the method further includes the following steps:
s11, the input end of the coil is connected with a support leg, and the TI-shaped three-phase integrated PFC inductor can be connected with a three-phase switching power supply through the support leg;
in the step S2, the method further includes the following steps:
s21, when the TI-shaped three-phase integrated PFC inductor needs to be disassembled, the knob is only required to be reversely rotated, so that the position of the rubber plate is not contacted with the TI-shaped three-phase integrated PFC inductor any more, and then the inductor can be disassembled for maintenance;
in the step S3, the method further includes the following steps:
s31, the filter screen is fixedly arranged on the outer wall of the box body, and when external air flows into the box body, the filter screen can filter and remove impurities carried in the air;
in the step S4, the method further includes the following steps:
s41, after the bottom of the rotating wheel moves to the outside through the square groove, the rotating wheel is convenient to drive manually, and then the rotating rod is driven to rotate.
Compared with the prior art, the application has the beneficial effects that:
1. the T-shaped magnetic core and the I-shaped magnetic core are arranged, so that the volume and the weight of the TI-shaped three-phase integrated PFC inductor can be optimized, the manufacturing cost is reduced, the TI-shaped three-phase integrated PFC inductor is integrated into one inductor through integrating six groups of T-shaped magnetic cores, four groups of I-shaped magnetic cores and three groups of coils, meanwhile, the safe work under the conditions of single phase and three phases can be realized, the other two winding inductors are decoupled when the single phase works, the number of magnetic pieces is reduced, the original three inductors are integrated into one inductor, the stable state can be kept when the three phases and the single phase work state are switched, other circuits are not influenced by the decoupling mode when the single phase works, the light weight and high integration are realized, and meanwhile, the manufacturing cost is reduced;
2. according to the application, the stability of TI-shaped three-phase integrated PFC inductor splicing can be improved by installing the locating frame and the limiting plate, when the TI-shaped three-phase integrated PFC inductor is spliced, after the T-shaped magnetic core, the I-shaped magnetic core and the three groups of coils are spliced into one inductor, the spliced inductor is placed in the locating frame to drive the threaded rod to rotate by the internal rotating knob, the threaded rod rotates to enable the position of the threaded sleeve to move, the sliding plate is driven to horizontally slide in the sliding groove by the position movement of the threaded sleeve, the position of the limiting plate is driven to move by the position movement of the sliding plate, and after one side of the rubber plate is contacted with the outer wall of the inductor placed in the locating frame, the splicing stability of the internal inductor can be improved, so that the aim of improving the splicing stability of the inductor is fulfilled, and the occurrence of a scattering phenomenon is effectively avoided;
3. according to the application, the heat dissipation efficiency of the TI-shaped three-phase integrated PFC inductor can be improved by installing the fan and the exhaust hole, when the TI-shaped three-phase integrated PFC inductor is subjected to heat dissipation and temperature reduction, the air in the box body is extracted by the fan to generate wind power, the wind power flows into the ventilation groove and then is blown to the surface of the TI-shaped three-phase integrated PFC inductor through the exhaust hole, when the temperature of the TI-shaped three-phase integrated PFC inductor is too high, the wind power carries heat in the inductor through the TI-shaped three-phase integrated PFC inductor, so that the heat is rapidly dissipated, the purpose of improving the heat dissipation efficiency of the TI-shaped three-phase integrated PFC inductor is achieved, and the service life of the TI-shaped three-phase integrated PFC inductor can be prolonged;
4. according to the application, the stability of connection between the TI-shaped three-phase integrated PFC inductor support leg and the coil can be improved by installing the limiter and the through groove, the rotating wheel is manually rotated to drive the rotating rod to rotate in the supporting ring, and the rotating rod rotates to drive the two groups of bolts to rotate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present application;
FIG. 2 is a schematic diagram of a coil structure according to the present application;
FIG. 3 is a schematic diagram of a T-shaped magnetic core structure according to the present application;
FIG. 4 is a schematic diagram of a type I magnetic core structure according to the present application;
FIG. 5 is a schematic view of a positioning frame according to the present application;
FIG. 6 is a schematic view of structure A of the present application;
FIG. 7 is a schematic view of a stopper according to the present application;
fig. 8 is a flow chart of the operation of the present application.
In the figure: 1. a T-shaped magnetic core; 2. a coil; 3. a type I magnetic core; 4. a support leg; 5. a positioning frame; 6. a knob; 7. a threaded rod; 8. a sliding groove; 9. a sliding plate; 10. a threaded sleeve; 11. a limiting plate; 12. a fixing plate; 13. a case; 14. a blower; 15. a ventilation groove; 16. an exhaust hole; 17. a rubber plate; 18. a filter screen; 19. a bottom plate; 20. a through groove; 21. a limiter; 22. a slide block; 23. a rubber block; 24. a nut; 25. a support ring; 26. a rotating lever; 27. a bolt; 28. a round hole; 29. a rotating wheel; 30. a square groove.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 and 8, an embodiment of the present application is provided: the utility model provides an TI shape three-phase integration PFC inductance, including T type magnetic core 1's outer wall is encircleed and is installed locating rack 5, and locating rack 5 is located one side of coil 2, locating rack 5 can improve the stability of TI shape three-phase integration PFC inductance concatenation, the appearance of stabilizer blade 4 is rectangular form, top and coil 2's input sealing connection, sliding tray 8 appearance is rectangle, four sets of symmetries are altogether set up in the inside of locating rack 5, limiting plate 11 shares two sets of symmetries to set up in one side of locating rack 5, the filter screen 18 appearance is square fixed setting in one side of box 13.
Referring to fig. 2, 3 and 4, the coil 2 is installed around the outer wall of the T-shaped magnetic core 1, the T-shaped magnetic core 1 is symmetrically arranged in six groups, the I-shaped magnetic core 3 is connected to the outer wall of the coil 2, the I-shaped magnetic core 3 is symmetrically installed in four groups, the bottom of the coil 2 is symmetrically connected with the supporting legs 4, when the TI-shaped three-phase integrated PFC inductor is used, the TI-shaped three-phase integrated PFC inductor is integrated with the six groups of T-shaped magnetic cores 1, the four groups of I-shaped magnetic cores 3 and the three groups of coils 2 to form one inductor, meanwhile, safe operation under the conditions of single phase and three phases can be realized, in addition, the other two winding inductors are decoupled during the single-phase operation, the number of magnetic parts is reduced, the original three inductors are integrated into one inductor, the three phases and the single-phase operation state can be switched, the other circuits are not affected by the decoupling mode, and the purpose of light weight and high integration is realized during the single-phase operation.
Referring to fig. 5 and 6, the outer wall symmetry of locating rack 5 is provided with knob 6, the inner wall of locating rack 5 is provided with sliding tray 8, sliding tray 8 includes threaded rod 7, sliding plate 9 and screw sleeve 10, the one end of threaded rod 7 and the outer wall fixed connection of knob 6, screw sleeve 10 inlays the inner wall of installing at sliding plate 9, and the one end of threaded rod 7 wears to establish in screw sleeve 10, the one end fixedly connected with limiting plate 11 of sliding plate 9, the outer wall fixedly connected with rubber slab 17 of limiting plate 11, splice into an inductance with T type magnetic core 1, I type magnetic core 3 and three group coil 2 back, place the inductance that splices good inside rotation knob 6 at locating rack 5 drives threaded rod 7 and rotates, the position movement of screw sleeve 10 when threaded rod 7 rotates, the position movement through screw sleeve 10 drives sliding plate 9 at the inside horizontal sliding position of sliding tray 8, the position movement of limiting plate 11 when the position movement of sliding plate 9, one side of limiting plate 11 makes the inside inductance outer wall contact with the inside of locating rack 5, can improve inside inductance concatenation stability, the stability that the random splicing takes place effectively avoided.
Referring to fig. 1 and 6, the outer wall of the positioning frame 5 is connected with a fixing plate 12, the outer wall of the fixing plate 12 is fixedly connected with a box 13, a fan 14 is arranged on the inner wall of the box 13, the outer wall of the box 13 is covered with a filter screen 18, the outer wall of the fixing plate 12 is connected with a ventilation groove 15, the output end of the fan 14 is in sealing connection with the input end of the ventilation groove 15, an exhaust hole 16 is arranged on the outer wall of the ventilation groove 15, when the TI-shaped three-phase PFC inductor dissipates heat and cools, the fan 14 works to extract air in the box 13 to generate wind force, the wind force flows into the ventilation groove 15, the wind force flows into the inside of the ventilation groove 15 and then blows to the surface of the TI-shaped three-phase PFC inductor through the exhaust hole 16, when the temperature of the TI-shaped three-phase PFC inductor is too high, the wind force can carry heat in the inductor through the TI-shaped three-phase PFC inductor, the heat of the TI-phase PFC inductor is dissipated rapidly, the purpose of improving the heat dissipation efficiency of the TI-shaped three-phase PFC inductor is achieved, and the service life of the TI-phase PFC inductor can be prolonged.
Referring to fig. 5 and 7, a bottom plate 19 is fixedly connected to the bottom of the positioning frame 5, a through groove 20 is symmetrically arranged at the top of the bottom plate 19, one end of each supporting leg 4 is penetrated in the through groove 20, three groups of limiters 21 are embedded in the inner wall of the bottom plate 19, each limiter 21 comprises a sliding block 22, a rubber block 23 and a supporting ring 25, the sliding block 22 is symmetrically arranged on the inner wall of each limiter 21, the rubber block 23 is connected with the outer wall of each sliding block 22, a round hole 28 is arranged on the inner wall of each sliding block 22, a nut 24 is fixedly connected to one end of each round hole 28, the supporting ring 25 is symmetrically arranged in each limiter 21, the supporting ring 25 is arranged on one side of each sliding block 22, a rotating rod 26 is penetrated on the inner wall of each supporting ring 25, bolts 27 are fixedly connected to two ends of each rotating rod 26, one end of each bolt 27 is penetrated in each nut 24, threads of the two groups of bolts 27 are opposite to enable the nuts 24 to move oppositely, the outer wall of the rotating rod 26 is circumferentially provided with a rotating wheel 29, the bottom of the limiter 21 is provided with a square groove 30, the bottom of the rotating wheel 29 extends out of the inside of the limiter 21 through the square groove 30, during the use of the TI-shaped three-phase integrated PFC inductor, in order to prevent the position of the support leg 4 from sliding and loosening the joint with the coil 2, the rotating wheel 29 is manually rotated to drive the rotating rod 26 to rotate in the support ring 25, the rotating rod 26 drives two groups of bolts 27 to rotate when rotating, due to the fact that threads arranged on the surfaces of the two groups of bolts 27 are opposite, when the two groups of bolts 27 rotate, the two groups of nuts 24 can move in opposite directions, when the nuts 24 move, the position of the sliding block 22 is driven by the round hole 28 to move, one end of the rubber block 23 is pushed to move into the through groove 20 when the position of the sliding block 22 moves, and after the rubber block 23 moves into the through groove 20, fix the stabilizer blade 4 position of wearing to establish inside, and then can avoid stabilizer blade 4 to receive the influence position of external factor to lead to the emergence of the separation phenomenon with coil 2 when rocking, reach the purpose that improves stabilizer blade 4 and coil 2 are connected stably.
A use method of a TI-shaped three-phase integrated PFC inductor comprises the following steps:
s1, when the TI-shaped three-phase integrated PFC inductor is used, the TI-shaped three-phase integrated PFC inductor is integrated into one inductor through integrating six groups of T-shaped magnetic cores 1, four groups of I-shaped magnetic cores 3 and three groups of coils 2, meanwhile, safe work under the conditions of single phase and three phases can be realized, the other two winding inductors are decoupled when the single phase works, the number of magnetic parts is reduced, the original three inductors are integrated into one inductor, the stable state can be kept when the three-phase and single-phase working states are switched, other circuits are not influenced by the decoupling mode when the single-phase works, and the purposes of light weight and high integration are realized;
s2, when the TI-shaped three-phase integrated PFC inductor is spliced, after the T-shaped magnetic core 1, the I-shaped magnetic core 3 and the three groups of coils 2 are spliced into one inductor, the spliced inductor is placed in the positioning frame 5, the threaded rod 7 is driven to rotate by the rotating knob 6, the threaded rod 7 is rotated to enable the position of the threaded sleeve 10 to move, the sliding plate 9 is driven to horizontally slide in the sliding groove 8 through the position movement of the threaded sleeve 10, the position of the limiting plate 11 is driven to move when the position of the sliding plate 9 moves, after one side of the rubber plate 17 is contacted with the outer wall of the inductor placed in the positioning frame 5, the splicing stability of the internal inductor can be improved, the aim of improving the splicing stability of the inductor is fulfilled, and the occurrence of a random phenomenon is effectively avoided;
s3, when the TI-shaped three-phase integrated PFC inductor is subjected to heat dissipation and temperature reduction, the fan 14 works to extract air in the box 13 to generate wind power, the wind power flows into the ventilation groove 15 and then is blown to the surface of the TI-shaped three-phase integrated PFC inductor through the exhaust hole 16, when the temperature of the TI-shaped three-phase integrated PFC inductor is too high, the wind power carries heat in the inductor through the TI-shaped three-phase integrated PFC inductor, so that the heat is rapidly dissipated, the purpose of improving the heat dissipation efficiency of the TI-shaped three-phase integrated PFC inductor is achieved, and the service life of the TI-shaped three-phase integrated PFC inductor can be prolonged;
s4, TI shape three-phase integration PFC inductance is in the during the use, in order to prevent that the position of stabilizer blade 4 from sliding, lead to not hard up with coil 2 junction, manual rotation runner 29 drives dwang 26 at the inside rotation of support ring 25, it rotates to drive two sets of bolts 27 when dwang 26 rotates, because the screw thread that two sets of bolts 27 surface set up is opposite, can make two sets of nuts 24 reverse the removal in opposite directions when two sets of bolts 27 rotate, the position that drives slider 22 through round hole 28 when nut 24 removes moves, the one end of pushing rubber piece 23 moves into the inside of running through groove 20 when slider 22 moves, rubber piece 23 moves into the inside of running through groove 20 after, fix the stabilizer blade 4 position of wearing to establish inside, and then can avoid stabilizer blade 4 to receive the influence position of external factor to lead to the emergence of separation phenomenon with coil 2 when rocking, reach the purpose that improves stabilizer blade 4 and coil 2 are connected stably.
In step S1, the method further includes the steps of:
s11, the input end of the coil 2 is connected with a support leg 4, and the TI-shaped three-phase integrated PFC inductor can be connected with a three-phase switching power supply through the support leg 4;
in step S2, the method further includes the steps of:
s21, when the TI-shaped three-phase integrated PFC inductor needs to be disassembled, the knob 6 is only required to be reversely rotated, so that the position of the rubber plate 17 is not contacted with the TI-shaped three-phase integrated PFC inductor any more, and then the inductor can be disassembled for maintenance;
in step S3, the method further includes the steps of:
s31, a filter screen 18 is fixedly arranged on the outer wall of the box body 13, and when external air flows into the box body 13, the filter screen 18 can filter and remove impurities carried in the air;
in step S4, the method further includes the steps of:
s41, after the bottom of the rotating wheel 29 moves to the outside through the square groove 30, the rotating wheel is convenient to manually drive, and the rotating rod 26 is further driven to rotate.
The working principle is that when the TI-shaped three-phase integrated PFC inductor is used, the TI-shaped three-phase integrated PFC inductor is integrated into one inductor through integrating six groups of T-shaped magnetic cores 1, four groups of I-shaped magnetic cores 3 and three groups of coils 2, meanwhile, safe work can be realized under the conditions of single phase and three phases, the other two winding inductors are decoupled when the single phase works, the number of magnetic parts is reduced, the original three inductors are integrated into one inductor, the three phases and single-phase working states can be switched, the stable state can be kept, other circuits are not influenced by the decoupling mode when the single-phase works, the light weight and high integration are realized, when the TI-shaped three-phase integrated PFC inductor is spliced, the T-shaped magnetic cores 1, the I-shaped magnetic cores 3 and the three groups of coils 2 are spliced into one inductor, the spliced inductor is placed in the positioning frame 5 to rotate the knob 6 to drive the threaded rod 7 to rotate, the threaded rod 7 rotates to enable the position of the threaded sleeve 10 to move, the sliding plate 9 is driven to horizontally slide in the sliding groove 8 through the position movement of the threaded sleeve 10, the limiting plate 11 is driven to move when the sliding plate 9 moves, after one side of the rubber plate 17 contacts with the outer wall of the inductor placed in the positioning frame 5, the stability of splicing the internal inductor can be improved, the aim of improving the stability of splicing the inductor is achieved, the scattering phenomenon is effectively avoided, when the TI-shaped three-phase integrated PFC inductor is subjected to heat dissipation and temperature reduction, the fan 14 works to extract air in the box 13 to generate wind force, the wind force flows into the ventilation groove 15 and then is blown to the surface of the TI-shaped three-phase integrated PFC inductor through the exhaust hole 16, the temperature of the TI-shaped three-phase integrated PFC inductor is too high, wind power can carry heat inside the inductor through the TI-shaped three-phase integrated PFC inductor, heat of the TI-shaped three-phase integrated PFC inductor is quickly dissipated, the purpose of improving the heat dissipation efficiency of the TI-shaped three-phase integrated PFC inductor is achieved, further, the service life of the TI-shaped three-phase integrated PFC inductor can be prolonged, the position of the support leg 4 is prevented from sliding during use of the TI-shaped three-phase integrated PFC inductor, the joint of the support leg 4 is loose, the rotating wheel 29 is manually rotated to drive the rotating rod 26 to rotate in the support ring 25, the rotating rod 26 drives the two groups of bolts 27 to rotate when rotating, due to the fact that threads arranged on the surfaces of the two groups of bolts 27 are opposite, the two groups of nuts 24 can be moved in opposite directions when the two groups of bolts 27 rotate, the nuts 24 drive the position of the sliding block 22 to move through the round holes 28 when the nuts 24 move, one end of the rubber block 23 is pushed to move into the inside of the through groove 20 when the position of the sliding block 22, the position of the rubber block 23 moves into the inside of the through groove 20, the position of the support leg 4 which is fixed, further, the position of the support leg 4 which is worn inside the support leg 4 is prevented from being separated, and the position of the support leg 2 is influenced by external factors, and the outside factors are prevented from shaking, and the phenomenon that the coil 2 is separated from being stably connected.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (3)
1. A TI-shaped three-phase integrated PFC inductor comprising:
the T-shaped magnetic core (1), the outer wall of the T-shaped magnetic core (1) is provided with a coil (2) in a surrounding mode, the T-shaped magnetic core (1) is symmetrically arranged in six groups, the outer wall of the coil (2) is connected with an I-shaped magnetic core (3), the I-shaped magnetic core (3) is symmetrically arranged in four groups, and the bottom of the coil (2) is symmetrically connected with supporting legs (4);
the outer wall of the T-shaped magnetic core (1) is circumferentially provided with a positioning frame (5), and the positioning frame (5) is positioned at one side of the coil (2);
the bottom of the positioning frame (5) is fixedly connected with a bottom plate (19), penetrating grooves (20) are symmetrically formed in the top of the bottom plate (19), and one ends of the supporting legs (4) penetrate through the penetrating grooves (20);
three groups of limiters (21) are embedded and mounted on the inner wall of the bottom plate (19), each limiter (21) comprises a sliding block (22), a rubber block (23) and a supporting ring (25), the sliding blocks (22) are symmetrically arranged on the inner wall of each limiter (21), the rubber blocks (23) are connected with the outer wall of each sliding block (22), round holes (28) are formed in the inner wall of each sliding block (22), nuts (24) are fixedly connected to one end of each round hole (28), the supporting rings (25) are symmetrically arranged in the limiters (21), the supporting rings (25) are located on one side of each sliding block (22), a rotating rod (26) is arranged on the inner wall of each supporting ring (25) in a penetrating mode, bolts (27) are fixedly connected to two ends of each rotating rod (26), one end of each bolt (27) is arranged in the nut (24) in a penetrating mode, threads of the two groups of bolts (27) are opposite to enable the nuts (24) to move oppositely, rotating wheels (29) are arranged on the outer wall of each rotating rod (26) in a surrounding mode, square grooves (30) are formed in the bottoms of the limiters (21), and the bottoms of the rotating rods (29) extend out of the square grooves (30) to the inside the limiters (21);
the outer wall of the locating frame (5) is symmetrically provided with a knob (6), the inner wall of the locating frame (5) is provided with a sliding groove (8), the sliding groove (8) comprises a threaded rod (7), a sliding plate (9) and a threaded sleeve (10), one end of the threaded rod (7) is fixedly connected with the outer wall of the knob (6), the threaded sleeve (10) is embedded and installed on the inner wall of the sliding plate (9), and one end of the threaded rod (7) is arranged in the threaded sleeve (10) in a penetrating mode;
one end of the sliding plate (9) is fixedly connected with a limiting plate (11), and the outer wall of the limiting plate (11) is fixedly connected with a rubber plate (17);
the outer wall of the positioning frame (5) is connected with a fixed plate (12), the outer wall of the fixed plate (12) is fixedly connected with a box body (13), a fan (14) is arranged on the inner wall of the box body (13), and a filter screen (18) is covered on the outer wall of the box body (13);
the shape of the support leg (4) is strip-shaped, the top end of the support leg is in sealing connection with the input end of the coil (2), the shape of the sliding groove (8) is rectangular, four groups of the support leg are symmetrically arranged in the locating frame (5), two groups of the limiting plates (11) are symmetrically arranged on one side of the locating frame (5), and the shape of the filter screen (18) is square and fixedly arranged on one side of the box body (13);
the outer wall of fixed plate (12) is connected with ventilation groove (15), and the output of fan (14) and the input sealing connection of ventilation groove (15), the outer wall of ventilation groove (15) is provided with exhaust hole (16).
2. A method for using a TI-shaped three-phase integrated PFC inductor suitable for use in a TI-shaped three-phase integrated PFC inductor according to claim 1, comprising the steps of:
s1, when the TI-shaped three-phase integrated PFC inductor is used, the TI-shaped three-phase integrated PFC inductor is integrated into one inductor through integrating six groups of T-shaped magnetic cores (1), four groups of I-shaped magnetic cores (3) and three groups of coils (2), meanwhile, safe operation can be realized under the conditions of single phase and three phases, the other two winding inductors are decoupled when the single phase works, the number of magnetic parts is reduced, the original three inductors are integrated into one inductor, the stable state can be kept when the three-phase and single-phase working state is switched, other circuits are not influenced by the decoupling mode when the single phase works, and the purposes of light weight and high integration are realized;
s2, when the TI-shaped three-phase integrated PFC inductor is spliced, after the T-shaped magnetic core (1), the I-shaped magnetic core (3) and the three groups of coils (2) are spliced into one inductor, the spliced inductor is placed in the positioning frame (5), the threaded rod (7) is driven to rotate by the rotating knob (6), the threaded rod (7) rotates to enable the position of the threaded sleeve (10) to move, the sliding plate (9) is driven to horizontally slide in the sliding groove (8) through the position movement of the threaded sleeve (10), the limiting plate (11) is driven to move when the sliding plate (9) moves, and after one side of the rubber plate (17) is contacted with the outer wall of the inductor placed in the positioning frame (5), the splicing stability of the internal inductor can be improved, so that the aim of improving the splicing stability of the inductor is fulfilled, and the occurrence of a scattering phenomenon is effectively avoided;
s3, when the TI-shaped three-phase integrated PFC inductor is subjected to heat dissipation and temperature reduction, a fan (14) is made to work to extract air in the box body (13) to generate wind power, the wind power flows into the ventilation groove (15) and then is blown to the surface of the TI-shaped three-phase integrated PFC inductor through an exhaust hole (16), the temperature of the TI-shaped three-phase integrated PFC inductor is too high, the wind power carries heat in the inductor through the TI-shaped three-phase integrated PFC inductor, so that the heat of the TI-shaped three-phase integrated PFC inductor is rapidly dissipated, the purpose of improving the heat dissipation efficiency of the TI-shaped three-phase integrated PFC inductor is achieved, and the service life of the TI-shaped three-phase integrated PFC inductor can be prolonged;
s4, TI shape three-phase integration PFC inductance is in the period of using, in order to prevent that the position of stabilizer blade (4) from sliding, lead to not hard up with coil (2) junction, manual work rotates runner (29) drive dwang (26) and rotates in the inside of holding ring (25), drive two sets of bolts (27) and rotate when dwang (26) rotate, because the screw thread that two sets of bolt (27) surface set up is opposite, can make two sets of nuts (24) to the reverse removal when two sets of bolts (27) rotate, the position that drives slider (22) through round hole (28) when nut (24) remove, the one end that promotes rubber piece (23) when the position of slider (22) removes moves and enters into the inside of running through groove (20), after rubber piece (23) remove the inside of running through groove (20), fix the stabilizer blade (4) position of wearing to establish inside, and then can avoid stabilizer blade (4) to lead to the emergence of shaking phenomenon with coil (2) when receiving the influence position of external factor, reach the purpose that stabilizer blade (4) and coil (2) are connected stably.
3. The method of using a TI-shaped three-phase integrated PFC inductor according to claim 2, further comprising, in step S1, the steps of:
s11, the input end of the coil (2) is connected with a support leg (4), and the TI-shaped three-phase integrated PFC inductor can be connected with a three-phase switching power supply through the support leg (4);
in the step S2, the method further includes the following steps:
s21, when the TI-shaped three-phase integrated PFC inductor needs to be disassembled, the inductor can be disassembled and maintained only by reversely rotating the knob (6) to ensure that the position of the rubber plate (17) is not contacted with the TI-shaped three-phase integrated PFC inductor any more;
in the step S3, the method further includes the following steps:
s31, a filter screen (18) is fixedly arranged on the outer wall of the box body (13), and when external air flows into the box body (13), the filter screen (18) can filter and remove impurities carried in the air;
in the step S4, the method further includes the following steps:
s41, after the bottom of the rotating wheel (29) moves to the outside through the square groove (30), the rotating wheel is convenient to manually drive, and then the rotating rod (26) is driven to rotate.
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| CN206331876U (en) * | 2017-01-04 | 2017-07-14 | 银川欣安瑞电气有限公司 | A kind of new high current three-phase active filter reactor |
| CN215731249U (en) * | 2021-09-02 | 2022-02-01 | 赣州市港创电子科技有限公司 | High-efficient common-differential-mode integrated inductor |
| CN115588558A (en) * | 2022-09-23 | 2023-01-10 | 南通巨升非晶科技股份有限公司 | Anti-direct-current common mode inductor for electrical fire detector and use method thereof |
| CN115831541A (en) * | 2022-12-12 | 2023-03-21 | 深圳市中为新能源科技有限公司 | High-efficient integrated high frequency magnetic element |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7133311B2 (en) * | 2017-12-28 | 2022-09-08 | 株式会社タムラ製作所 | Reactor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206331876U (en) * | 2017-01-04 | 2017-07-14 | 银川欣安瑞电气有限公司 | A kind of new high current three-phase active filter reactor |
| CN215731249U (en) * | 2021-09-02 | 2022-02-01 | 赣州市港创电子科技有限公司 | High-efficient common-differential-mode integrated inductor |
| CN115588558A (en) * | 2022-09-23 | 2023-01-10 | 南通巨升非晶科技股份有限公司 | Anti-direct-current common mode inductor for electrical fire detector and use method thereof |
| CN115831541A (en) * | 2022-12-12 | 2023-03-21 | 深圳市中为新能源科技有限公司 | High-efficient integrated high frequency magnetic element |
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