Magnetic integration differential and common mode inductor
By combining common-mode and differential-mode inductors into a single unit, using toroidal and E-type magnetic core structures, and directly connecting it to the circuit breaker, the problems of inconvenient inductor installation and high cost are solved, achieving convenient installation and low-cost inductor combination.
Patent Information
- Application Number
- CN202520044224.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Existing inductors are inconvenient to install and costly, especially common-mode inductors and differential-mode inductors, which need to be installed separately and connected by wires, increasing installation complexity and cost.
The common-mode inductor and differential-mode inductor are combined into a whole, using a toroidal core and an E-type core structure. The winding is directly connected to the circuit breaker and fixed to the energy storage converter housing with fasteners. The wires are adjusted using rotatable rollers and bevel gear sets. A removable housing is provided to protect and observe the internal structure.
It enables convenient installation of inductors, reduces installation complexity and cost, avoids additional wiring connections, and adapts to the installation needs of different devices.
Smart Images

Figure CN223815690U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of inductor, especially a magnetic integrated differential common mode inductor. BACKGROUND
[0002] The inductor is an element capable of converting electrical energy into magnetic energy and storing it, and has a certain inductance, so it can hinder the change of current. If the inductor is in a state without current passing through, when the circuit is turned on, it will try to hinder the current from flowing through it; if the inductor is in a state with current passing through, when the circuit is turned off, it will try to maintain the current unchanged.
[0003] At the same time, the inductor has many uses, and generally needs both common mode inductors and differential mode inductors. For example, when the energy storage converter is connected to the circuit breaker, at this time the two inductors are used as electrical components, then inserted on the PCB board, and connected to the circuit breaker outside the shell through wires, so it is more troublesome to install and needs to use wires to connect, thereby increasing the cost. SUMMARY
[0004] The utility model discloses a magnetic integrated differential common mode inductor, which combines the common mode inductor and the differential mode inductor together to form a whole, that is, the magnetic circuit is integrated and shared, so compared with the installation of two inductors, the installation of the whole is more convenient, and it is not installed on the PCB board, and the winding one is directly connected to the circuit breaker, so it is not necessary to connect with additional wires, the cost is relatively low, and the problems of inconvenient installation and high cost are solved.
[0005] The utility model discloses a magnetic integrated differential common mode inductor, which combines the common mode inductor and the differential mode inductor together to form a whole, that is, the magnetic circuit is integrated and shared, so compared with the installation of two inductors, the installation of the whole is more convenient, and it is not installed on the PCB board, and the winding one is directly connected to the circuit breaker, so it is not necessary to connect with additional wires, the cost is relatively low, and the problems of inconvenient installation and high cost are solved.
[0006] A magnetic integrated differential common mode inductor, comprising a common mode inductor and a differential mode inductor, wherein the common mode inductor comprises a ring-shaped magnetic core, and at least two winding ones are wound on the ring-shaped magnetic core; the differential mode inductor comprises an E-shaped magnetic core and an I-shaped magnetic core arranged on the E-shaped magnetic core, and the E-shaped magnetic core comprises three magnetic columns, and at least two of the magnetic columns are wound with winding two.
[0007] The ring-shaped magnetic core is arranged on the I-shaped magnetic core, the E-shaped magnetic core is arranged on the shell of the energy storage converter through a fastener, one end of the winding one is connected to the circuit breaker through a fastener, and the other end of the winding one is connected to the winding two.
[0008] Preferably, the E-shaped magnetic core is provided with a mounting plate one at the bottom, and the mounting plate one is arranged on the shell of the energy storage converter through a fastener.
[0009] Or / and, one end of the winding one is provided with a mounting plate two, and the mounting plate two is connected to the circuit breaker through a fastener.
[0010] Preferably, the magnetic column is provided with an insulating plate one at both upper and lower ends.
[0011] Preferably, the ring type magnetic core and the I type magnetic core are connected through the insulating plate two, and the ring type magnetic core and the I type magnetic core are fixedly arranged.
[0012] Alternatively, the I type magnetic core is fixedly arranged, and the ring type magnetic core is movably arranged on the insulating plate two.
[0013] Preferably, a rotatable roller is arranged between the I type magnetic core and the ring type magnetic core, a wire is wound on the roller, the wire is used for connecting the winding one and the winding two, and a handle is connected to one end of the roller.
[0014] A screw rod is arranged between the ring type magnetic core and the insulating plate two, the ring type magnetic core is provided with a nut corresponding to the screw rod, the roller and the screw rod are connected through a bevel gear set, the handle is rotated to drive the roller and the screw rod to rotate, and the ring type magnetic core is moved, and the wire on the roller is loosened or tightened.
[0015] Preferably, the common mode inductor and the differential mode inductor are connected through the insulating plate two, a detachable shell is arranged on the insulating plate two, and the common mode inductor and the differential mode inductor are located between the insulating plate two and the shell.
[0016] Preferably, the shell is provided with a convex strip, the insulating plate two is provided with a clamping groove corresponding to the convex strip, and the shell comprises a main body and a side door rotatably arranged on the main body.
[0017] Compared with the prior art, the utility model has the advantages of:
[0018] The utility model discloses a common mode inductor and a differential mode inductor are combined to form a whole, that is, integrated magnetic circuit is shared, so compared with the installation of two inductors, the installation of the whole is more convenient, and the winding one is directly connected with the circuit breaker, so it is not necessary to connect with additional wires, and the cost is relatively low. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the structural schematic diagram of the utility model.
[0020] Figure 2 It is the structural schematic diagram of the utility model.
[0021] Figure 3 It is the structural schematic diagram of the utility model.
[0022] Figure 4 It is the structural schematic diagram of the utility model.
[0023] Figure 5 It is the schematic diagram of the ring type magnetic core moving structure.
[0024] Figure 6 The schematic view of the shell related structure.
[0025] Reference signs: 1 - common mode inductance; 11 - ring type magnetic core; 12 - winding one; 13 - mounting plate two;
[0026] 14 - nut; 15 - support block; 2 - differential mode inductance; 21 - E type magnetic core; 22 - I type magnetic core; 23 - magnetic column;
[0027] 24 - winding two; 25 - mounting plate one; 26 - insulating plate one; 31 - insulating plate two; 311 - clamping groove;
[0028] 312 - track; 32 - roller; 33 - handle; 34 - screw rod; 36 - shell; 361 - convex strip; 362 - main body; 363 - side door; 364 - convex block; 37 - cushion block. DETAILED DESCRIPTION
[0029] The specific embodiments of the utility model will be further described in detail below in combination with the drawings.
[0030] As Figures 1-6 shown, a magnetic integrated differential common mode inductance includes common mode inductance 1 and differential mode inductance 2, and the common mode inductance 1 includes ring type magnetic core 11, and at least two winding one 12 are wound on the ring type magnetic core 11, and the differential mode inductance 2 includes E type magnetic core 21 and I type magnetic core 22 arranged on the E type magnetic core 21, and the E type magnetic core 21 includes 3 magnetic columns 23, and at least two magnetic columns 23 are wound with winding two 24.
[0031] Meanwhile, the ring type magnetic core 11 is arranged on the I type magnetic core 22, and the E type magnetic core 21 is arranged on the shell of the energy storage converter through a fastener, and one end of the winding one 12 is connected with the circuit breaker through a fastener, and the other end of the winding one 12 is connected with the winding two 24.
[0032] Thus in the actual use process, by combining the common mode inductance 1 and the differential mode inductance 2 together to form a whole, that is, the integrated magnetic circuit is shared, so compared with the installation of two inductances, the installation of the whole is more convenient, and it is not installed on the PCB board, and the winding one 12 is directly connected with the circuit breaker, so it is not necessary to connect with additional wires, and the cost is relatively low.
[0033] And the E type magnetic core 21 is provided with the mounting plate one 25 at the bottom, and the mounting plate one 25 is arranged on the shell of the energy storage converter through a fastener. Meanwhile, one end of the winding one 12 is provided with the mounting plate two 13, and the mounting plate two 13 is connected with the circuit breaker through a fastener.
[0034] The fastener is a screw, which is connected in a simple way to facilitate installation.
[0035] As shown in Figure 1 and Figure 2 In order to avoid the interference of magnetic field and electric field, the upper and lower ends of the magnetic column 23 are provided with insulating plates 26, and the ring-shaped magnetic core 11 and the I-shaped magnetic core 22 are connected through the insulating plate 31.
[0036] The ring-shaped magnetic core 11 and the I-shaped magnetic core 22 can be fixedly arranged, and the I-shaped magnetic core 22 can be fixedly arranged, and the ring-shaped magnetic core 11 can be movably arranged on the insulating plate 31, so that different energy storage converters and circuit breakers can be adjusted and matched.
[0037] Moreover, the moving structure of the ring-shaped magnetic core 11, as shown in Figure 5 First, a rotatable roller 32 is arranged between the I-shaped magnetic core 22 and the ring-shaped magnetic core 11, and an electric wire is wound on the roller 32, and the electric wire is used to connect the winding 12 and the winding 24, and one end of the roller 32 is connected with a handle 33.
[0038] Meanwhile, a screw rod 34 is arranged between the ring-shaped magnetic core 11 and the insulating plate 31, and the ring-shaped magnetic core 11 is provided with a nut 14 corresponding to the screw rod 34, and the roller 32 and the screw rod 34 are connected by a bevel gear set.
[0039] Therefore, in actual use, the handle 33 is rotated to drive the roller 32 and the screw rod 34 to rotate, thereby driving the ring-shaped magnetic core 11 to move, and loosening or tightening the electric wire on the roller 32.
[0040] Secondly, in order to make the ring-shaped magnetic core 11 and the I-shaped magnetic core 22 in the same plane, a pad 37 is arranged between the I-shaped magnetic core 22 and the insulating plate 31. Moreover, the connection of the bevel gear set is not centrally arranged, so a supporting block 15 is arranged between the ring-shaped magnetic core 11 and the insulating plate 31, and a track 312 is arranged on the insulating plate 31, and the supporting block 15 is provided with a slot corresponding to the track 312.
[0041] As shown in Figure 6 In order to better protect, a shell 36 is arranged, and the specific structure is that: first, the common mode inductor 1 and the differential mode inductor 2 are connected through the insulating plate 31, and the detachable shell 36 is arranged on the insulating plate 31, and the common mode inductor 1 and the differential mode inductor 2 are located between the insulating plate 31 and the shell 36.
[0042] The detachable structure is the cooperation of the convex strip 361 and the clamping groove 311, that is, the bottom of the shell 36 is provided with the convex strip 361, and the insulating plate 31 is provided with the clamping groove 311 corresponding to the convex strip 361. Moreover, in order to facilitate maintenance and observation of the internal structure, the shell 36 comprises a main body 362 and a side door 363 rotatably arranged on the main body 362, and the internal structure can be seen by rotating the side door 363.
[0043] And the side door 363 is provided with a protrusion 364 near the insulating plate two 31 side, and the insulating plate two 31 slot corresponds with the protrusion 364, so that the side door 363 can be limited to open, and can be opened when a larger force is applied.
[0044] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Meanwhile, the present application is not limited by the above embodiments, so various changes and improvements can be made to the present application without departing from the principles and scope of the present application. These changes and improvements fall within the scope of the present application.
Claims
1. A magnetically integrated differential common mode inductor, characterized by, The common mode inductor (1) and differential mode inductor (2) are included, the common mode inductor (1) includes a ring type magnetic core (11), and at least two winding one (12) are wound on the ring type magnetic core (11), the differential mode inductor (2) includes an E type magnetic core (21) and an I type magnetic core (22) arranged on the E type magnetic core (21), and the E type magnetic core (21) includes three magnetic columns (23), and at least two magnetic columns (23) are wound with winding two (24); The ring type magnetic core (11) is arranged on the I type magnetic core (22), and the E type magnetic core (21) is arranged on the shell of the energy storage converter through the fastener, and one end of the winding one (12) is connected with the circuit breaker through the fastener, and the other end of the winding one (12) is connected with the winding two (24).
2. The magnetic integrated differential common-mode inductor of claim 1, wherein: The E type magnetic core (21) is provided with a mounting plate one (25) at the bottom, and the mounting plate one (25) is arranged on the shell of the energy storage converter through the fastener; Or / and, one end of the winding one (12) is provided with a mounting plate two (13), and the mounting plate two (13) is connected with the circuit breaker through the fastener.
3. The magnetic integrated differential common-mode inductor according to claim 1 or 2, characterized in that: The magnetic column (23) is provided with an insulating plate one (26) at both ends.
4. The magnetic integrated differential common-mode inductor according to claim 1 or 2, characterized in that: The ring type magnetic core (11) and the I type magnetic core (22) are connected through the insulating plate two (31), and the ring type magnetic core (11) and the I type magnetic core (22) are fixedly arranged; Or, the I type magnetic core (22) is fixedly arranged, and the ring type magnetic core (11) is movably arranged on the insulating plate two (31).
5. The magnetic integrated differential common-mode inductor of claim 4, wherein: The I type magnetic core (22) and the ring type magnetic core (11) are provided with a rotatable roller shaft (32) therebetween, the roller shaft (32) is wound with an electric wire, and the electric wire is used for connecting the winding one (12) and the winding two (24), and one end of the roller shaft (32) is connected with a handle (33); The ring type magnetic core (11) and the insulating plate two (31) are provided with a screw rod (34), the ring type magnetic core (11) is provided with a nut (14) corresponding to the screw rod (34), the roller shaft (32) and the screw rod (34) are connected through a bevel gear set, the ring type magnetic core (11) is moved by rotating the handle (33) to drive the roller shaft (32) and the screw rod (34) to rotate, and the electric wire on the roller shaft (32) is loosened or tightened.
6. The magnetic integrated differential common-mode inductor of claim 1 or 2, wherein: The common mode inductor (1) and the differential mode inductor (2) are connected through the insulating plate two (31), and a detachable shell (36) is arranged on the insulating plate two (31), and the common mode inductor (1) and the differential mode inductor (2) are located between the insulating plate two (31) and the shell (36).
7. The magnetic integrated differential common-mode inductor of claim 6, wherein: The shell (36) is provided with a convex strip (361) at the bottom, the insulating plate two (31) is provided with a clamping groove (311) corresponding to the convex strip (361), and the shell (36) includes a main body (362) and a side door (363) rotatably arranged on the main body (362).