CN116313419A - High-capacity and compact-structure balance inductance device - Google Patents

Abstract

The application relates to a high-capacity balanced inductor device with a compact structure, which relates to the technical field of balanced inductors, and comprises an inductor core and an inductor coil, wherein the inductor core comprises a first iron core, a second iron core, a first iron yoke column and a second iron yoke column, two ends of the first iron yoke column are respectively connected with the first iron core and the second iron core, and two ends of the second iron yoke column are respectively connected with the first iron core and the second iron core; the inductance coil comprises a first coil and a second coil, the first coil is wound on the first iron core and the second iron core, and the second coil is wound on the first iron core and the second iron core; an intermediate tap is provided between the first coil and the second coil. This application is through twining half first coil and half second coil on with first iron core, twines half first coil and half second coil on the second iron core for can not influence the equilibrium of inductance because of the leakage reactance when installing among the installation, inductance coil's setting has reduced inductance core's length, has reduced the core loss.

Description

High-capacity and compact-structure balance inductance device

Technical Field

The application relates to the technical field of balanced inductors, in particular to a high-capacity balanced inductor device with a compact structure.

Background

The balance inductor is an important device in a direct-current double-star machine of welding equipment, the capacity of a silicon controlled rectifier can be reduced by 29%, the capacity of a power transformer is reduced by 25%, and currently, under the condition that the energy conservation and the product cost of the traditional product are mutually restricted, the balance inductor is important to technically improve the energy conservation, the cost, the electrical property, the manufacturing process and the like. The whole E-shaped structure adopted by the balance inductor is used as a magnetic core, so that the adverse effect of overlarge high-frequency loss of the inductor with the common iron core structure is eliminated, in addition, the magnetic core is divided into an upper part and a lower part, the air gap of the magnetic core is improved, the local overheating phenomenon of the original inductor stamping sheet structure is reduced, the effective combination of the filter loop inductor is realized, the system harmonic wave is restrained, the power grid quality is improved, the balance inductor can be used for three-phase dynamic balance in the circuit so as to adjust equipment which is easy to cause three-phase imbalance, and the balance inductor is suitable for environmental occasions which often need low voltage and large current (such as tens of volts, thousands to tens of thousands of amperes) in industrial application such as electrolytic plating.

Currently, there are two ways to construct a common high-capacity balanced inductor: one is that the coil distributes on the same iron core, the four corners of the iron core are put the insulating stay and adopt to wind the wire winding vertically, the advantage of this kind of structure is that the coil dispels the heat and the processing technology is better; the other is that the coils are distributed on the same iron core, the coils are of disc type structure, coil wires are separated by stay bars, the advantage of the structure is that the length of iron core columns is shortened, and the cost of the iron core is reduced.

Aiming at the related technology, the first inductor adopts a long iron core column, so that the iron core column is long, the iron core utilization rate is low, the iron core area is increased, the lead length is increased, the line loss and the iron loss are increased, the material cost is correspondingly increased, and meanwhile, the iron core column occupies larger space and cannot be put down in a machine with a compact structure; the coil of the second inductor has poor heat dissipation, low electromagnetic wire utilization rate, weakened mechanical strength due to electromagnetic repulsion, high coil failure rate, complex coil structure and poor production manufacturability, and is in a vibration repulsive state during operation.

Disclosure of Invention

The purpose of the application is to provide a balanced inductance device which has low production cost, stable coil, good heat dissipation, large capacity and compact structure

The application provides a high-capacity and compact-structure balanced inductance device which adopts the following technical scheme:

the utility model provides a high-capacity compact balance inductance device, includes the inductance core and twines inductance coil on the inductance core, the inductance core includes first iron core, second iron core, first yoke post and second yoke post, first iron core and second iron core are parallel to each other and mutual interval sets up, first yoke post and second yoke post follow first iron core axial interval sets up each other, first yoke post both ends respectively with first iron core with the second iron core is connected, second yoke post both ends respectively with first iron core with the second iron core is connected; the inductance coil comprises a first coil and a second coil, the first coil is wound on the first iron core and the second iron core, the second coil is wound on the first iron core and the second iron core, and the first coil and the second coil are oppositely arranged along the axial direction of the first iron core; and a middle tap is arranged between the first coil and the second coil, and two ends of the middle tap are respectively communicated with the first coil and the second coil.

By adopting the technical scheme, a balanced inductor can be formed through the arrangement of the inductance core, the inductance coil and the middle tap; the inductance core includes first iron core and the second iron core that sets up with first iron core parallel interval, and the inductance coil includes first coil and second coil, and first coil winding is in on first iron core and the second iron core, the second coil winding is on first iron core and the second iron core, first coil and second coil set up relatively along first iron core axial to under the requirement of guaranteeing the equilibrium and the coupling nature of inductance, first iron core is along half first coil and the second coil of axial winding, and half first coil and second coil are along axial winding on the second iron core, make among the installation can not influence the equilibrium to the inductance because of the leakage reactance when installing, simultaneously, inductance coil's winding mode has reduced inductance core's length, has reduced the iron core loss, and compare in the disk structure of coil, inductance coil of this application has guaranteed coil stability.

Optionally, the intermediate tap is followed the axial both sides of second iron core all are provided with isolation component, isolation component includes first insulation board and second insulation board, first insulation board sets up first coil with between the intermediate tap, the second insulation board sets up the second coil with between the intermediate tap.

Through adopting above-mentioned technical scheme, set up isolation component in the intermediate tap both sides, isolation component includes first insulation board and second insulation board, and first insulation board sets up between first coil and intermediate tap, and the second insulation board sets up between second coil and intermediate tap, and isolation component's setting includes the reliability of the insulation between intermediate tap and first coil and the second coil.

Optionally, a first connecting plate is arranged on one side of the middle tap, and the middle tap is welded with the first connecting plate.

Through adopting above-mentioned technical scheme, intermediate tap one side is provided with first connecting plate and intermediate tap and first connecting plate welding, has guaranteed the fixed stability of intermediate tap.

Optionally, a plurality of plug wire holes are formed in the first connecting plate in a penetrating manner along the thickness direction of the first connecting plate, and the first connecting plate is made of conductive materials.

Through adopting above-mentioned technical scheme, first connecting plate adopts conductive material to make, has seted up a plurality of plug wire holes on first connecting plate to be convenient for connect the outside wire, be convenient for realize the intercommunication of outside wire and intermediate tap.

Optionally, the first coil includes a first terminal connected to an external wire, a second connection board is connected to the first terminal, and a first wiring hole is formed in the second connection board in a penetrating manner along the thickness direction of the second connection board; the second coil comprises a second wiring end connected with an external wire, a third connecting plate is connected to the second wiring end, and a second wiring hole is formed in the third connecting plate in a penetrating mode in the thickness direction.

Through adopting above-mentioned technical scheme, the first wiring end of connecting external wire on the first coil is connected with the second connecting plate, runs through along self thickness direction on the second connecting plate and has seted up first wiring hole to the setting of second connecting plate can fix first wiring end, and the setting of first wiring hole is convenient for the connection of external wire, thereby is convenient for external wire and first wiring end intercommunication each other, and then is convenient for external wire and first coil intercommunication each other; the first connecting plate is connected with the first connecting wire end of the external wire, and the second connecting plate is provided with a second connecting hole in a penetrating mode along the thickness direction of the third connecting plate, so that the first connecting wire end can be fixed, the second connecting hole is provided with the external wire conveniently, the external wire and the first connecting wire end are conveniently communicated with each other, and the external wire and the second coil are conveniently communicated with each other;

optionally, one side of the second connecting plate is connected with an insulating fixing plate, one side of the third connecting plate is connected with the insulating fixing plate, and the second connecting plate and the third connecting plate are arranged on the insulating fixing plate at intervals.

Through adopting above-mentioned technical scheme, thereby insulating fixed plate and second connecting plate and third connecting plate interconnect and second connecting plate and third connecting plate interval each other set up, can separate each other and thereby mutual insulation between assurance second connecting plate and the third connecting plate.

Optionally, a plurality of insulating stays are disposed on the inductance core, and a plurality of insulating stays are disposed between the inductance core and the inductance coil.

Through adopting above-mentioned technical scheme, insulating stay sets up between inductance core and inductor to guarantee that insulating stay separates inductance core and inductor and insulates.

Optionally, the inductance core outside is provided with and props the comb, prop the comb length direction and follow inductance core length direction sets up, prop and follow on the comb prop comb length direction and interval be equipped with a plurality of comb groove, the comb groove is followed prop the comb thickness direction and run through prop the comb, twine inductance coil's wire is followed prop the comb length direction and pass in proper order the correspondence comb groove.

Through adopting above-mentioned technical scheme, the inductance core outside is provided with and props the comb, props to comb along propping the comb length direction and interval to be equipped with a plurality of comb groove, and the comb groove runs through along propping comb thickness direction and prop the comb, and the wire of winding inductance coil passes in proper order along propping comb length direction and correspond comb groove for when inductance coil twines to inductance core, prop the comb and can be spaced apart a plurality of conductor coils of inductance coil, both increased the insulating nature between the conductor coil and guaranteed the heat dissipation again.

Optionally, the first coil includes a first upper coil and a first lower coil, the first upper coil is wound on the first iron core, the first lower coil is wound on the second iron core, and the first upper coil and the first lower coil are mutually communicated; the second coil comprises a second upper coil and a second lower coil, the second upper coil is wound on the first iron core, the second lower coil is wound on the second iron core, and the second upper coil and the second lower coil are communicated with each other.

By adopting the technical scheme, the first coil comprises a first upper coil wound on the first iron core and a first lower coil wound on the second iron core, and the first upper coil is communicated with the first lower coil; the second coil comprises a second upper coil wound on the first iron core and a second lower coil wound on the second iron core, and the second upper coil is communicated with the second lower coil; the first coil and the second coil all include two coils, and the first coil that goes up set up mutually independently down, and the winding processing of first coil of being convenient for, the second goes up coil and the second coil and sets up mutually independently down, and the winding processing of the second coil of being convenient for to inductance coil divide into four independent coil's setting and is convenient for process.

Optionally, a plurality of mounting frames are arranged on one side of the inductance core.

Through adopting above-mentioned technical scheme, the setting of mounting bracket can support and install whole inductor.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first iron core winds half first coils and half second coils along the axial direction, and the second iron core winds half first coils and half second coils along the axial direction, so that the balance of inductance cannot be influenced due to leakage reactance during installation in the installation process, meanwhile, the winding mode of the inductance coil reduces the length of the inductance core, the iron core loss is reduced, and compared with a disc-type structure of the coil, the inductance coil of the application ensures the coil stability.

2. The utilization rate of the iron core and the lead is obviously improved, the material consumption of the iron core is reduced by 35%, the material consumption of the lead is reduced by 25%, and the cost is obviously reduced.

3. The arrangement of the isolation assembly ensures the reliability of the insulation between the intermediate tap and the inductance coil.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an inductance device in the present application.

Fig. 2 is a schematic view of the overall structure of the mounting frame in the present application.

Fig. 3 is a schematic view of the overall structure of the insulating stay in the present application.

Fig. 4 is a schematic view of the overall structure of the comb in the present application.

Fig. 5 is a schematic view of the overall structure of the first lower coil and the second lower coil in the present application.

Fig. 6 is a schematic view of the overall structure of the first upper coil and the second upper coil in the present application.

Fig. 7 is a schematic view of the overall structure of the first insulating plate in the present application.

Fig. 8 is a schematic view of the overall structure of the second connection plate, the third connection plate and the insulating fixing plate in the present application.

In the figure, 1, an inductance core; 11. a first iron core; 12. a second iron core; 13. a first yoke post; 14. a second iron yoke; 2. an inductance coil; 21. a first coil; 211. a first upper coil; 2111. a first wire outlet end; 2112. a first terminal; 212. a first lower coil; 2121. a second wire outlet end; 2122. a second terminal; 22. a second coil; 221. a second upper coil; 2211. a third wire outlet end; 2212. A first link end; 222. a second lower coil; 2221. a fourth wire outlet end; 2222. A second wire end; 23. a center tap; 3. a mounting frame; 31. a support plate; 32. a fixing plate; 33. a vertical plate; 34. a fixing hole; 4. an insulating stay; 41. a first support portion; 42. a second supporting part; 5. supporting and carding; 51. a comb groove; 6. a first connection plate; 61. a plug wire hole; 7. an isolation assembly; 71. a first insulating plate; 72. a second insulating plate; 73. a relief hole; 74. an interface; 8. a second connecting plate; 81. a first wiring hole; 82. a first fixing hole; 9. a third connecting plate; 91. a second wiring hole; 92. a second fixing hole; 10. an insulating fixing plate; 101. a third fixing hole; 102. and a fourth fixing hole.

Detailed Description

The present application is described in further detail below with reference to fig. 1-8.

The utility model provides a high-capacity compact balanced inductance device, refer to fig. 1, including inductance core 1, inductance core 1 includes first iron core 11 and second iron core 12, first iron core 11 and second iron core 12 are along vertical direction interval setting, and first iron core 11 axial all is along horizontal direction parallel arrangement each other with second iron core 12 axial, be fixed with first yoke post 13 and second yoke post 14 all perpendicular to first iron core 11 respectively at first iron core 11 both ends, the one end that keeps away from first iron core 11 on first yoke post 13 and the second yoke post 14 respectively with second iron core 12 both ends vertical fixed connection, first iron core 11, second iron core 12, first yoke post 13 and second yoke post 14 all adopt magnetic conduction material to form the iron core part of inductor. An inductor 2 is wound around the inductor core 1 on the inductor core 1, the arrangement of the inductor 2 forming the coil part of the inductor, the inductor core 1 forming a completed inductor in cooperation with the inductor 2.

Referring to fig. 1 and 2, the inductor core 1 is provided with a mounting frame 3 at the lower side, the mounting frame 3 is provided with two mounting frames 3, the two mounting frames 3 are respectively arranged at the lower sides of two ends of the first core 11 at intervals along the axial direction of the first core 11, the mounting frame 3 comprises a supporting plate 31 and two fixing plates 32, the two fixing plates 32 are arranged at intervals along the width direction of the first core 11, the fixing plates 32 are arranged at the lower side of the first core 11 at intervals along the vertical direction, the supporting plate 31 is arranged between the two fixing plates 32, the top of the supporting plate 31 is connected with the bottom surface of the first core 11, the two sides of the supporting plate 31 along the width direction of the first core 11 extend out of vertical plates 33 along the vertical direction, the vertical plates 33 at the two sides of the supporting plate 31 are respectively fixed with the corresponding fixing plates 32 at the two sides of the supporting plate 31, and the vertical plates 33 are vertically arranged with the corresponding fixing plates 32, so that the mounting frame 3 can support the inductor core 1; fixing holes 34 are formed in the support plate 31 and the fixing plate 32 in a penetrating mode in the vertical direction, the fixing of the installation frame 3 and the inductance core 1 can be achieved through the fixing holes 34 in the support plate 31, and the fixing and installation of the installation frame 3 can be achieved through the fixing holes 34 in the fixing plate 32.

Referring to fig. 1 and 3, insulating stays 4 are arranged on the first iron core 11 and the second iron core 12 along edges parallel to the axial direction of the first iron core 11 and the second iron core 12, the insulating stays 4 are made of insulating materials, the insulating stays 4 comprise a first supporting part 41 and a second supporting part 42, the first supporting part 41 and the second supporting part 42 are mutually perpendicular, two mutually adjacent side surfaces of the first supporting part 41 and the second supporting part 42 are mutually perpendicular planes, so that the insulating stays 4 can be mutually attached to two adjacent side surfaces of the corresponding first iron core 11 or two adjacent side surfaces of the corresponding second iron core 12, and the insulating stays 4 can be fixed on the corresponding first iron core 11 or the corresponding second iron core 12; the two sides of the first support portion 41 and the second support portion 42 that are far away from each other are arc surfaces and the arc surface between the two sides is excessive, so that the insulating stay 4 can support the corresponding inductor coil 2 and space the inductor coil 2 from the corresponding inductor core 1.

Referring to fig. 1 and 4, the first iron core 11 and the second iron core 12 are both provided with a comb 5 along the axial direction thereof, the comb 5 is a rectangular long strip plate, the length direction of the comb 5 is parallel to the axial direction of the first iron core 11, a plurality of comb grooves 51 are formed in the comb 5 along the thickness direction of the comb 5 and penetrate through the comb 5, the comb grooves 51 penetrate through one side of the comb 5 along the width direction of the comb 5, and the plurality of comb grooves 51 are uniformly arranged on the comb 5 along the length direction of the comb 5 at intervals, so that when the inductance coil 2 is wound on the inductance iron core 1, a plurality of coils of wires of the inductance coil 2 are arranged in one-to-one correspondence with the comb grooves 51 on the comb 5 and a plurality of coils of wires of the inductance coil 2 penetrate through the corresponding comb grooves 51, so that the comb 5 can space the plurality of wires of the inductance coil 2, the insulation between the coils of the wires is increased, and the heat dissipation is ensured.

Referring to fig. 5 and 6, the inductor coil 2 includes a first coil 21 and a second coil 22, the first coil 21 includes a first upper coil 211 wound on the first core 11 by standing winding along the axial direction of the first core 11 and a first lower coil 212 wound on the second core 12 by standing winding along the axial direction of the second core 12, both end wire joints of the first upper coil 211 along the axial direction of the first core 11 are a first wire outlet end 2111 and a first terminal 2112, respectively, the first wire outlet end 2111 is disposed away from the second coil 22 and the first terminal 2112 is disposed close to the second coil 22, and both end wire joints of the first lower coil 212 along the axial direction of the second core 12 are a second wire outlet end 2121 and a second terminal 2122, respectively; the second wire outlet 2121 is far away from the second coil 22, the second wire terminal 2122 is close to the second coil 22, the first wire outlet 2111 and the second wire outlet 2121 are welded by argon arc, and the first wire outlet 2111 and the second wire outlet 2121 are connected at 90 degrees, so that the first upper coil 211 and the first lower coil 212 are communicated with each other, and a complete coil is formed.

Referring to fig. 5 and 6, the second coil 22 includes a second upper coil 221 wound on the first core 11 by standing winding along the axial direction of the first core 11 and a second lower coil 222 wound on the second core 12 by standing winding along the axial direction of the second core 12, the second upper coil 221 having a third wire outlet end 2211 and a first wire outlet end 2212 along both end wire joints in the axial direction of the first core 11, respectively, the third wire outlet end 2211 being disposed away from the first coil 21 and the first wire outlet end 2212 being disposed close to the first coil 21; the second lower coil 222 is provided with a fourth wire outlet end 2221 and a second wire connecting end 2222 along two axial end wire connectors of the second iron core 12, the fourth wire outlet end 2221 is far away from the first coil 21, the second wire connecting end 2222 is close to the first coil 21, the third wire outlet end 2211 and the fourth wire outlet end 2221 are welded through argon arc, and the third wire outlet end 2211 is connected with the fourth wire outlet end 2221 by 90 degrees, so that the second upper coil 221 and the second lower coil 222 are mutually communicated, and a complete coil is formed.

Referring to fig. 5, an intermediate tap 23 is provided between the first lower coil 212 and the second lower coil 222, and both ends of the intermediate tap 23 are respectively connected with the second terminal 2122 and the second connection terminal 2222, so that the intermediate tap 23 connects the first coil 21 and the second coil 22, forming a coil structure of the balance inductor.

Referring to fig. 5, a first connection plate 6 is connected to one side of the intermediate tap 23, and the intermediate tap 23 and the first connection plate 6 are welded by argon arc welding, so that the stability of fixing the intermediate tap 23 and the first connection plate 6 is ensured, and the stability of fixing the intermediate tap 23 is ensured; two plug wire holes 61 are formed in the first connecting plate 6 in a penetrating mode in the thickness direction of the first connecting plate 6, the first connecting plate 6 is made of conductive materials, the plug wire holes 61 are formed in the mode that external wires are connected with the first connecting plate 6 conveniently, and the external wires are communicated with the middle taps 23.

Referring to fig. 5, the intermediate tap 23 is provided with the isolation assembly 7 along both axial sides of the second core 12, the isolation assembly 7 includes a first insulation plate 71 and a second insulation plate 72, both of which are made of an insulating material, the first insulation plate 71 is interposed between the intermediate tap 23 and the first lower coil 212, the first insulation plate 71 spaces the intermediate tap 23 from the first lower coil 212, the second insulation plate 72 is interposed between the intermediate tap 23 and the second lower coil 222, the second insulation plate 72 spaces the intermediate tap 23 from the second lower coil 222, and the provision of the isolation assembly 7 increases the reliability of insulation between the intermediate tap 23 and the first coil 21 and the second coil 22 on both sides.

Referring to fig. 7, the first insulating plate 71 and the second insulating plate 72 have the same structure, are 2mm thick plates made of insulating materials, the first insulating plate 71 and the second insulating plate 72 are provided with through holes 73 along the thickness direction of the first insulating plate 71 and the second insulating plate 72, the sizes of the through holes 73 are the same as the inner sizes of the first lower coil 212 and the second lower coil 222, the first insulating plate 71 and one side of the second insulating plate 72 are provided with through holes 74 along the thickness direction of the first insulating plate 71 and the second insulating plate 72, the through holes 74 are communicated with the corresponding through holes 73, and the distance between the opposite side walls of the through holes 74 is gradually increased along the direction away from the through holes 73, so that the first insulating plate 71 and the second insulating plate 72 are in a C shape, and the first insulating plate 71 and the second insulating plate 72 are conveniently inserted into two sides of the middle tap 23, thereby realizing insulation of the middle tap 23.

Referring to fig. 6, a first connection terminal 2112 of the first upper coil 211 and a first connection terminal 2212 of the second upper coil 221 are disposed close to each other, a second connection plate 8 is welded on one side of the first connection terminal 2112 by argon arc welding, and the second connection plate 8 is disposed to fix the first connection terminal 2112; a third connecting plate 9 is welded on one side of the first terminal 2112 through argon arc, and the third connecting plate 9 can fix the second terminal 2122; the second connection plate 8 and the third connection plate 9 are arranged at intervals, so that the first connection terminal 2112 and the second connection terminal 2122 can be prevented from being short-circuited; the second connecting plate 8 is provided with a first wiring hole 81 in a penetrating mode along the thickness direction of the second connecting plate 8, the third connecting plate 9 is provided with a second wiring hole 91 in a penetrating mode along the thickness direction of the third connecting plate 9, the second connecting plate 8 and the third connecting plate 9 are made of conductive materials, and the first wiring hole 81 and the second wiring hole 91 are provided with external wires which are convenient to communicate with the first wiring terminal 2112 and the second wiring terminal 2122 respectively.

Referring to fig. 6 and 8, an insulating fixing plate 10 is provided at one side of the second connection plate 8, a first fixing hole 82 is formed in the second connection plate 8 in a penetrating manner in the thickness direction of the second connection plate 8, a second fixing hole 92 is formed in the third connection plate 9 in a penetrating manner in the thickness direction of the third connection plate 9, a third fixing hole 101 and a fourth fixing hole 102 are formed in the insulating fixing plate 10 in a penetrating manner in the thickness direction of the insulating fixing plate 10, the second connection plate 8 and the third connection plate 9 are arranged at the same side of the insulating fixing plate 10 at intervals, the third fixing hole 101 and the first fixing hole 82 are coaxially arranged and mutually communicated, the second fixing hole 92 and the fourth fixing hole 102 are coaxially arranged and mutually communicated, bolts are inserted into the first fixing hole 82 and the third fixing hole 101 to fix the second connection plate 8 and the insulating fixing plate 10, bolts are inserted into the second fixing hole 92 and the fourth fixing hole 102, the insulating fixing plate 10 is supported by an insulating material, the insulating fixing plate 10 is arranged to enable the second connection plate 8 and the third connection plate 9 to be spaced apart by the insulating material, and the arrangement of the insulating fixing plate 10 is capable of ensuring the stability of the first connection terminal 2212 and the insulation 2112.

The implementation principle of the embodiment of the application is as follows: by winding the inductor 2 onto the first iron core 11 and the second iron core 12, the first iron core 11 is wound with the first upper coil 211 in the first coil 21 and the second upper coil 221 in the second coil 22, and the second iron core 12 is wound with the first lower coil 212 in the first coil 21 and the second lower coil 222 in the second coil 22, the length of the inductor core 1 is reduced, the utilization ratio of the inductor core 1 and the wires wound into the inductor core 2 is obviously improved, the material consumption of the inductor core 1 is reduced by 35%, the material consumption of the wires of the inductor core 2 is reduced by 25%, and the production cost is reduced on the premise of ensuring the structural stability of the balanced inductor; meanwhile, a winding mode of vertical winding is adopted, and the combination inductor coil 2 is divided into four independent coils, so that the inductor coil 2 can be conveniently processed and wound.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The utility model provides a high-capacity compact balance inductance device, includes inductance core (1) and twines inductance coil (2) on inductance core (1), its characterized in that, inductance core (1) include first iron core (11), second iron core (12), first yoke post (13) and second yoke post (14), first iron core (11) and second iron core (12) are parallel to each other and separate each other and set up, first yoke post (13) and second yoke post (14) follow first iron core (11) axial mutual interval sets up, first yoke post (13) both ends respectively with first iron core (11) with second iron core (12) are connected, second yoke post (14) both ends respectively with first iron core (11) with second iron core (12) are connected;

the inductance coil (2) comprises a first coil (21) and a second coil (22), the first coil (21) is wound on the first iron core (11) and the second iron core (12), the second coil (22) is wound on the first iron core (11) and the second iron core (12), and the first coil (21) and the second coil (22) are oppositely arranged along the axial direction of the first iron core (11);

an intermediate tap (23) is arranged between the first coil (21) and the second coil (22), and two ends of the intermediate tap (23) are respectively communicated with the first coil (21) and the second coil (22).

2. The high-capacity compact-structure balanced inductor device according to claim 1, wherein the intermediate tap (23) is provided with isolation assemblies (7) along both sides of the second core (12) in the axial direction, the isolation assemblies (7) comprise a first insulating plate (71) and a second insulating plate (72), the first insulating plate (71) is arranged between the first coil (21) and the intermediate tap (23), and the second insulating plate (72) is arranged between the second coil (22) and the intermediate tap (23).

3. A high capacity compact balanced inductor device according to claim 1, characterized in that a first connection plate (6) is provided on one side of the intermediate tap (23), said intermediate tap (23) being welded to said first connection plate (6).

4. A balanced inductor device with a high capacity and a compact structure according to claim 3, characterized in that a plurality of wire insertion holes (61) are formed in the first connecting plate (6) in a penetrating manner along the thickness direction of the first connecting plate (6), and the first connecting plate (6) is made of conductive material.

5. The high-capacity compact-structure balanced inductor device according to claim 1, wherein the first coil (21) comprises a first terminal (2112) connected with an external wire, a second connecting plate (8) is connected to the first terminal (2112), and a first wiring hole (81) is formed in the second connecting plate (8) in a penetrating manner along the thickness direction of the second connecting plate;

the second coil (22) comprises a first connecting end (2212) connected with an external wire, a third connecting plate (9) is connected to the first connecting end (2212), and a second wiring hole (91) is formed in the third connecting plate (9) in a penetrating mode in the thickness direction.

6. The high-capacity compact balanced inductor device according to claim 5, wherein an insulating fixing plate (10) is connected to one side of the second connecting plate (8), one side of the third connecting plate (9) is connected to the insulating fixing plate (10), and the second connecting plate (8) and the third connecting plate (9) are arranged at intervals on the insulating fixing plate (10).

7. The high-capacity compact-structure balancing inductance device according to claim 1, wherein a plurality of insulating stays (4) are arranged on the inductance core (1), and the plurality of insulating stays (4) are arranged between the inductance core (1) and the inductance coil (2).

8. The high-capacity compact-structure balance inductor device according to claim 1, wherein a comb (5) is arranged outside the inductor core (1), the length direction of the comb (5) is along the length direction of the inductor core (1), a plurality of comb grooves (51) are formed in the comb (5) at intervals along the length direction of the comb (5), the comb grooves (51) penetrate through the comb (5) along the thickness direction of the comb (5), and wires wound around the inductor coil (2) sequentially penetrate through the corresponding comb grooves (51) along the length direction of the comb (5).

9. A high capacity compact balancing inductance device according to claim 1, wherein the first coil (21) includes a first upper coil (211) and a first lower coil (212), the first upper coil (211) being wound around the first core (11), the first lower coil (212) being wound around the second core (12), the first upper coil (211) and the first lower coil (212) being in communication with each other;

the second coil (22) comprises a second upper coil (221) and a second lower coil (222), the second upper coil (221) is wound on the first iron core (11), the second lower coil (222) is wound on the second iron core (12), and the second upper coil (221) and the second lower coil (222) are communicated with each other.

10. The high-capacity and compact-structure balanced inductor device according to claim 1, wherein a plurality of mounting frames (3) are arranged on one side of the inductor core (1).

Images