CN211980325U - Common mode inductance assembly, filter and household electrical appliance - Google Patents
Common mode inductance assembly, filter and household electrical appliance Download PDFInfo
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- CN211980325U CN211980325U CN202020975725.3U CN202020975725U CN211980325U CN 211980325 U CN211980325 U CN 211980325U CN 202020975725 U CN202020975725 U CN 202020975725U CN 211980325 U CN211980325 U CN 211980325U
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Abstract
The utility model provides a common mode inductance subassembly, wave filter and household electrical appliances, wherein, common mode inductance subassembly includes magnetic core, separator and winding, and the separator sets up on the magnetic core and the separator place plane divides the magnetic core into two magnetic core parts, and each magnetic core part in two magnetic core parts includes the wire winding portion that is located the central point of magnetic core part and puts both sides; two ends of the winding are respectively and reciprocally coiled on different winding parts from the central position. The two ends of the winding on each magnetic core part are respectively coiled on the different winding parts in a reciprocating mode by taking the central position of the magnetic core part as a starting point, so that the loss of a high-frequency skin effect can be eliminated, the utilization rate of the magnetic core is improved, the conduction effect is improved, low radiation is achieved, energy is saved, the cost is low, and the application efficiency of the common-mode inductance component in a circuit is improved.
Description
Technical Field
The utility model relates to an inductance technical field particularly, relates to a common mode inductance subassembly, a wave filter and household electrical appliances.
Background
At present, components and parts such as electric rice cooker fans, electromagnetic coils, IGBTs and switching power supplies can generate certain electromagnetic interference during working, the electromagnetic interference can influence the self working of equipment, and the interference can be caused to a power grid or other electric appliances by conducting power lines to the outside. In order to eliminate the interference, an anti-electromagnetic interference module is added in a control circuit of the equipment, and a common-mode inductor is one of common components of the filtering anti-interference module.
The common mode inductor adopted in the related technology has a framework common mode inductor, namely a plastic framework wraps a magnetic ring, and insulated enameled wires are sequentially wound on the framework. However, the skeleton common mode inductor cannot pass the radiation test item in the new electromagnetic compatibility test standard.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
To this end, a first aspect of the present invention is to provide a common mode inductor assembly.
A second aspect of the present invention is to provide a filter.
A third aspect of the present invention is to provide a household electrical appliance.
In view of the above, according to a first aspect of the present invention, there is provided a common mode inductor assembly, comprising a magnetic core, a partition and a winding, wherein the partition is disposed on the magnetic core and a plane of the partition divides the magnetic core into two magnetic core portions, and each of the two magnetic core portions comprises a winding portion located on two sides of a central position of the magnetic core portion; two ends of the winding are respectively and reciprocally coiled on different winding parts from the central position.
The utility model provides a common mode inductance subassembly includes magnetic core, separator and winding, and the separator setting on the magnetic core and the plane at separator place can be two magnetic core portions with the magnetic core, all is equipped with the winding on two magnetic core portions, and the separator is used for separating the winding in the different magnetic core portions insulating, avoids being located the winding in the different magnetic core portions and influences the performance of common mode inductance subassembly each other. Each of the core portions includes the winding portions located on both sides of the center position of the core portion, i.e., the number of the winding portions is two. The center position of the core portion may be the center of the core portion, or may be the center of symmetry of the core portion. The two ends of the winding are respectively taken as starting points from the central position and then are wound on different winding parts in a reciprocating manner. The two ends of the winding on each magnetic core part are respectively coiled on the different winding parts in a reciprocating mode by taking the central position of the magnetic core part as a starting point, so that the loss of a high-frequency skin effect can be eliminated, the utilization rate of the magnetic core is improved, the conduction effect is improved, low radiation is achieved, energy is saved, the cost is low, and the application efficiency of the common-mode inductance component in a circuit is improved.
It should be noted that the magnetic core is divided into two magnetic core portions by the plane of the partition, each magnetic core is provided with a winding, and each magnetic core portion is divided into two winding portions by the center position of the magnetic core portion. I.e. the core comprises four winding portions. The two ends of the winding respectively use the center position of one magnetic core part as a starting point, and then are wound on different winding parts in a reciprocating mode, namely the winding uses the center position as the starting point, is wound on the winding parts from the center position outwards, and then is wound back to the center position from the outside to the inside. And the reciprocating times of the winding on the winding part can be set according to actual requirements.
In addition, according to the utility model provides a common mode inductance subassembly among the above-mentioned technical scheme, can also have following additional technical characteristics:
in above-mentioned technical scheme, further, the magnetic core includes magnetic core body and assembly opening, and the assembly opening is seted up on the magnetic core body, and the separator is located the assembly opening and is connected with the magnetic core body.
In this technical scheme, the magnetic core includes magnetic core body and assembly opening, and the assembly opening is seted up on the magnetic core body. Further, the magnetic core is cylindrical, and the assembling opening is a circular opening, so that the magnetic core body is a circular ring. The separating piece is arranged in the assembly opening and connected with the magnetic core body, and the separating piece is embedded in the assembly opening, so that the overall appearance of the common mode inductance assembly is regular.
In any of the above technical solutions, further, the common mode inductance assembly further includes a first fixing member, and the first fixing member is disposed between the partition member and the magnetic core body.
In this technical scheme, common mode inductance subassembly still includes first mounting, and first mounting clamp is established between magnetic core and separator, and then makes magnetic core and separator firmly be connected. Furthermore, the first fixing piece is made of black glue, the magnetic core and the separating piece are bonded together through the black glue, the cost is low, the operation and the assembly are simple, and the reliability is higher.
In any of the above technical solutions, further, the common mode inductor assembly further includes a positioning seat and a second fixing member, the positioning seat is located below the magnetic core; the second fixing piece is clamped between the magnetic core and the positioning seat.
In this technical scheme, common mode inductance subassembly still includes the positioning seat, and the positioning seat is located the below of magnetic core, and the positioning seat is used for assembling the magnetic core, and the magnetic core passes through the positioning seat assembly on treating the mounted position. The magnetic core is connected on the positioning seat through the second fixing piece, and then the magnetic core and the positioning seat can be firmly connected. Furthermore, the second fixing piece is made of black glue, the magnetic core and the positioning seat are bonded together through the black glue, the cost is low, the operation and the assembly are simple, and the reliability is higher.
In any of the above technical solutions, further, the common mode inductor assembly further includes a pin and a mounting port, the pin is connected to an end of the winding; the mounting opening is opened on the positioning seat, and the pin extends along the surface of magnetic core and passes the mounting opening.
In this technical scheme, common mode inductance subassembly still includes the pin, and the pin is connected in the tip of winding, and the pin is used for being connected winding and the binding post on the circuit board. The common mode inductance assembly further comprises a mounting opening, the mounting opening is formed in the positioning seat, the pins connected to the end portions of the windings extend along the surface of the magnetic core and penetrate through the mounting opening to stretch out of the lower surface of the positioning seat, the pins extend along the surface of the magnetic core, the overall appearance of the magnetic core, the windings and the pins is regular, and the pins are prevented from being arranged on the magnetic core in a mess and potential safety hazards exist. The arrangement of the pins is limited by the positioning seat by arranging the mounting ports on the positioning seat, so that the position stability of the pins is further ensured, and when the positioning seat is assembled on a circuit board, the pins below the positioning seat can be better connected with the wiring terminals.
Furthermore, the pins comprise an upper pin and a lower pin, the upper pin is connected to the end portion of the winding and located above the positioning seat, the lower pin is connected with the upper pin, and the lower pin penetrates through the mounting opening and continues to extend towards the lower portion of the positioning seat. Furthermore, the lower pins are perpendicular to the positioning seat.
In any one of the above technical solutions, further, the positioning seat is flat.
In this technical scheme, the positioning seat is flat, and then can be convenient for install on the circuit board, and the density of product can further be promoted to the positioning seat of flattening.
In any of the above technical solutions, further, the two magnetic core portions include a first magnetic core portion and a second magnetic core portion; the winding includes a first winding wound on the first core portion and a second winding wound on the second core portion, the number of turns of the first winding being equal to the number of turns of the second winding.
In the technical scheme, the two magnetic core parts comprise a first magnetic core part and a second magnetic core part, the winding comprises a first winding and a second winding, the first winding is wound on the first magnetic core part, the second winding is wound on the second magnetic core part, the number of turns of the first winding is equal to that of the second winding, when current flows through the winding, the same-direction magnetic field can be generated in the winding to increase the inductance of the winding, so that the winding is high in impedance, a strong damping effect is generated, the current is attenuated, and the purpose of filtering is achieved.
In any one of the above technical solutions, further, the common mode inductor assembly further includes a magnetic shielding layer, and the magnetic shielding layer wraps the magnetic core and the winding to shield the magnetic field.
In this technical scheme, common mode inductance subassembly still includes the magnetic screen layer, and the magnetic screen layer parcel is on magnetic core and winding, and then in order to reduce the interference of magnetic core, winding to peripheral circuit. Further, the magnetic shielding layer can be made of soft magnetic material or magnetic powder glue, for example, the magnetic shielding layer can be made of soft magnetic material and made into an oval sleeve structure, and the magnetic shielding layer can be sleeved on the magnetic core and the winding.
According to the utility model discloses a second aspect provides a filter, including the common mode inductance subassembly that circuit board and any one above-mentioned technical scheme provided, common mode inductance subassembly's pin electric connection is on the circuit board.
The utility model provides a filter, including above-mentioned arbitrary technical scheme common mode inductance subassembly, consequently have this common mode inductance subassembly's whole beneficial effect, no longer give consideration to here.
In any of the above technical solutions, the filter further includes a filter circuit, and the filter circuit is disposed on the circuit board, and the filter circuit can further improve the filtering effect and the circuit stability.
According to the utility model discloses a third aspect provides a household electrical appliance, including the main control board and state the common mode inductance subassembly that any technical scheme provided, the pin electric connection of common mode inductance subassembly is on the main control board.
The utility model provides a household electrical appliances, including above-mentioned arbitrary technical scheme common mode inductance subassembly, consequently have this common mode inductance subassembly's whole beneficial effect, no longer give consideration to here.
Further, the household electrical appliance is a cooking appliance, and the cooking appliance can be an induction cooker, an electromagnetic induction heating electric cooker or a pressure cooker.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 illustrates a front view of a common mode inductance assembly in an embodiment in accordance with the present invention;
fig. 2 shows a side view of a common mode inductance assembly in an embodiment in accordance with the invention;
fig. 3 illustrates a bottom view of a common mode inductor assembly in an embodiment in accordance with the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
the common mode inductor comprises a common mode inductor component 1, a magnetic core 10, a magnetic core body 101, an assembling opening 102, a first magnetic core part 103, a second magnetic core part 104, a separating part 11, a winding 12, a first winding 121, a second winding 122, a first fixing part 13, a positioning seat 14, a second fixing part 15 and a pin 16.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Common mode inductance assembly 1, filter and household appliance according to some embodiments of the present invention are described below with reference to fig. 1 to 3.
Example one
According to a first aspect of the present invention, as shown in fig. 1, there is provided a common mode inductor assembly 1, comprising a magnetic core 10, a partition 11 and a winding 12, wherein the partition 11 is disposed on the magnetic core 10 and the plane of the partition 11 divides the magnetic core 10 into two magnetic core portions, and each of the two magnetic core portions comprises a winding portion located at two sides of the center position of the magnetic core portion; both ends of the winding 12 are respectively wound from the center position on different winding portions in a reciprocating manner.
The utility model provides a common mode inductance subassembly 1 includes magnetic core 10, separator 11 and winding 12, and separator 11 sets up on magnetic core 10 and the plane at separator 11 place can be two magnetic core portions with magnetic core 10, all is equipped with winding 12 on two magnetic core portions, and separator 11 is used for separating insulating with winding 12 in the different magnetic core portions, avoids being located winding 12 in the different magnetic core portions and influences common mode inductance subassembly 1's performance each other. Each of the core portions includes the winding portions located on both sides of the center position of the core portion, i.e., the number of the winding portions is two. The center position of the core portion may be the center of the core portion, or may be the center of symmetry of the core portion. Both ends of the winding 12 are respectively wound from a central position as a starting point and then reciprocally wound on different winding portions. The two ends of the winding 12 on each magnetic core part are respectively wound on different winding parts in a reciprocating mode by taking the central position of the magnetic core part as a starting point, so that the loss of a high-frequency skin effect can be eliminated, the utilization rate of the magnetic core 10 is improved, the conduction effect is improved, low radiation is achieved, energy is saved, the cost is low, and the application efficiency of the common mode inductance component 1 in a circuit is improved.
It should be noted that the magnetic core 10 is divided into two magnetic core portions by the plane of the partition 11, each magnetic core 10 is provided with a winding 12, and each magnetic core portion is divided into two winding portions by the center position of the magnetic core portion. I.e. the magnetic core 10 comprises four winding portions. The two ends of the winding 12 are respectively started from the center position of one magnetic core part, and then are wound on different winding parts in a reciprocating manner, namely, the winding 12 is started from the center position, is wound on the winding parts from the center position to the outside, and then is wound back to the center position from the outside to the inside. And the reciprocating times of the winding 12 on the winding part can be set according to the actual requirement.
In a specific embodiment, further, as shown in fig. 1, the magnetic core 10 includes a magnetic core body 101 and an assembling opening 102, the assembling opening 102 is opened on the magnetic core body 101, and the partition 11 is located in the assembling opening 102 and connected to the magnetic core body 101.
In this embodiment, the magnetic core 10 includes a magnetic core body 101 and a fitting opening 102, and the fitting opening 102 is opened in the magnetic core body 101. Further, the magnetic core 10 has a cylindrical shape, and the fitting opening 102 has a circular opening, so that the magnetic core body 101 has a circular ring shape. The partition 11 is located in the assembling opening 102 and connected to the magnetic core body 101, and the partition 11 is located in the assembling opening 102, so that the overall appearance of the common mode inductance assembly 1 can be neat.
In a specific embodiment, further, as shown in fig. 1, the common mode inductance assembly 1 further includes a first fixing member 13, and the first fixing member 13 is disposed between the partition 11 and the magnetic core body 101.
In this embodiment, the common mode inductance assembly 1 further includes a first fixing member 13, and the first fixing member 13 is sandwiched between the magnetic core 10 and the partition 11, so that the magnetic core 10 and the partition 11 are firmly connected. Further, the first fixing member 13 is made of black glue, and the magnetic core 10 and the separating member 11 are bonded together through the black glue, so that the cost is low, the operation and assembly are simple, and the reliability is higher.
Example two
Unlike the previous embodiments, as shown in fig. 1 and fig. 2, the present embodiment further defines that the common mode inductance assembly 1 further includes a positioning seat 14 and a second fixing member 15, where the positioning seat 14 is located below the magnetic core 10; the second fixing member 15 is sandwiched between the magnetic core 10 and the positioning seat 14.
In this embodiment, the common mode inductor assembly 1 further includes a positioning seat 14, the positioning seat 14 is located below the magnetic core 10, the positioning seat 14 is used for assembling the magnetic core 10, and the magnetic core 10 is assembled on the position to be installed through the positioning seat 14. The magnetic core 10 is connected to the positioning seat 14 through the second fixing member 15, so that the magnetic core 10 and the positioning seat 14 can be firmly connected. Further, the second fixing member 15 is made of black glue, the magnetic core 10 and the positioning seat 14 are bonded together through the black glue, so that the cost is low, the operation and assembly are simple, and the reliability is higher.
In a specific embodiment, further, as shown in fig. 2 and 3, the common mode inductance assembly 1 further includes a pin 16 and a mounting port, the pin 16 is connected to an end of the winding 12; a mounting opening is formed in the positioning socket 14 and the leads 16 extend along the surface of the core 10 and through the mounting opening.
In this embodiment, the common mode inductance assembly 1 further comprises a pin 16, the pin 16 being connected to an end of the winding 12, the pin 16 being used to connect the winding 12 to a terminal on a circuit board. Common mode inductance subassembly 1 still includes the installing port, and the installing port is seted up on positioning seat 14, connects and extends and pass the lower surface that positioning seat 14 is stretched out to the pin 16 of connecting at the tip of winding 12 along the surface of magnetic core 10, through making pin 16 extend along the magnetic core 10 surface, and then can make the whole outward appearance of magnetic core 10, winding 12 and pin 16 regular, avoids pin 16 to arrange in disorder on magnetic core 10 and have the potential safety hazard. The arrangement of the pins 16 is limited by the positioning seat 14 by providing the mounting opening on the positioning seat 14, so that the positional stability of the pins 16 is further ensured, and when the positioning seat 14 is assembled on a circuit board, the pins 16 located below the positioning seat 14 can be better connected with the wiring terminal.
In a specific embodiment, the pins 16 further include an upper pin connected to the end of the winding 12 and located above the positioning seat 14, and a lower pin connected to the upper pin, and the lower pin is inserted into the mounting opening and continues to extend below the positioning seat 14. Further, the lower pins are perpendicular to each other at the positioning seat 14.
In a particular embodiment, the positioning seat 14 is further flat.
In this embodiment, the positioning seat 14 is a flat plate, so that the positioning seat can be conveniently mounted on a circuit board, and the density of the product can be further improved by the flattened positioning seat 14.
In a particular embodiment, further, the two magnetic core portions include a first magnetic core portion 103 and a second magnetic core portion 104; the winding 12 includes a first winding 121 and a second winding 122, the first winding 121 is wound on the first core portion 103, the second winding 122 is wound on the second core portion 104, and the number of turns of the first winding 121 is equal to that of the second winding 122.
In this embodiment, the two magnetic core portions include a first magnetic core portion 103 and a second magnetic core portion 104, the winding 12 includes a first winding 121 and a second winding 122, the first winding 121 is wound on the first magnetic core portion 103, the second winding 122 is wound on the second magnetic core portion 104, and the number of turns of the first winding 121 is equal to that of the second winding 122, when a current flows through the winding 12, a magnetic field in the same direction is generated in the winding 12 to increase the inductance of the winding 12, so that the winding 12 exhibits a high impedance, and a strong damping effect is generated, thereby attenuating the current and achieving the purpose of filtering.
EXAMPLE III
Unlike the previous embodiments, the present embodiment further defines that the common mode inductor assembly 1 further includes a magnetic shielding layer, which wraps the magnetic core 10 and the winding 12 to shield the magnetic field.
In this embodiment, the common mode inductor assembly 1 further includes a magnetic shielding layer, which is wrapped around the magnetic core 10 and the winding 12 to reduce interference of the magnetic core 10 and the winding 12 with the peripheral circuit. Further, the magnetic shielding layer may be made of soft magnetic material or magnetic powder paste, for example, an oval sleeve structure may be made of soft magnetic material, and the magnetic shielding layer may be disposed on the magnetic core 10 and the winding 12.
According to a second aspect of the present invention, there is provided a filter, comprising a circuit board and the common mode inductor assembly 1 provided in any one of the above embodiments, wherein the pins 16 of the common mode inductor assembly 1 are electrically connected to the circuit board.
The utility model provides a filter, including above-mentioned arbitrary embodiment common mode inductance subassembly 1, consequently have this common mode inductance subassembly 1's whole beneficial effect, no longer describe herein.
In any of the above embodiments, the filter further includes a filter circuit, and the filter circuit is disposed on the circuit board, and the filter circuit can further improve the filtering effect and the circuit stability.
According to the utility model discloses a third aspect provides a household electrical appliance, including the main control board and the common mode inductance subassembly 1 that any embodiment provided, the pin 16 electricity of common mode inductance subassembly 1 is connected on the main control board.
The utility model provides a household electrical appliances, including above-mentioned arbitrary embodiment common mode inductance subassembly 1, consequently have this common mode inductance subassembly 1's whole beneficial effect, no longer describe herein.
In a specific embodiment, further, the household electrical appliance is a cooking appliance, and the cooking appliance may be an induction cooker, an electromagnetic induction heating rice cooker or a pressure cooker.
Detailed description of the preferred embodiments
The embodiment defines a common mode inductor assembly 1 for an electromagnetic cooking appliance, the common mode inductor assembly 1 is used in a circuit of the electromagnetic cooking appliance, and the electromagnetic cooking appliance can be an induction cooker, an electromagnetic induction heating electric cooker or a pressure cooker.
The common mode inductance assembly 1 includes a first winding 121, a second winding 122, a magnetic core 10, a positioning seat 14, a first fixing member 13, a second fixing member 15 and a separating member 11, and the first winding 121 and the second winding 122 each include two pins 16. As shown in fig. 1, a first winding 121 and a second winding 122 having the same number of turns are wound around the left and right sides of the magnetic core 10. A partition 11 at the center of the magnetic core 10 separates and insulates the first winding 121 and the second winding 122. The winding manner of the first winding 121 and the second winding 122 is the same, and the first winding 121 is taken as an example for explanation, two ends of the first winding 121 respectively extend from the center to two sides, the left side of the magnetic core 10 is fully paved with the first layer, then the two sides extend to the middle for winding, the first winding 121 fully winds the second layer, and then the pin 16 connected to the end of the first winding 121 extends along the surface of the magnetic core 10 and is led to the mounting opening on the positioning seat 14. The magnetic core 10 and the positioning base 14 are connected by a second fixing member 15, and the magnetic core 10 and the separating member 11 are connected by a first fixing member 13.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A common mode inductance assembly, comprising:
a magnetic core;
a partition disposed on the magnetic core and having a plane on which the partition is located, the magnetic core being divided into two core portions, each of the two core portions including a winding portion located on both sides of a center position of the core portion;
and two ends of the winding are respectively and reciprocally coiled on different winding parts from the central position.
2. A common-mode inductance assembly according to claim 1,
the magnetic core includes:
a magnetic core body;
the assembly opening is formed in the magnetic core body, and the separating piece is located in the assembly opening and connected with the magnetic core body.
3. A common mode inductance assembly according to claim 2, characterized in that the common mode inductance assembly further comprises:
a first fixing member disposed between the partition and the magnetic core body.
4. A common mode inductance assembly according to claim 1, further comprising:
the positioning seat is positioned below the magnetic core;
and the second fixing piece is clamped between the magnetic core and the positioning seat.
5. A common mode inductance assembly according to claim 4, characterized in that the common mode inductance assembly further comprises:
the pin is connected to the end part of the winding;
and the mounting opening is formed in the positioning seat, and the pin extends along the surface of the magnetic core and penetrates through the mounting opening.
6. A common-mode inductance assembly according to claim 4,
the positioning seat is flat.
7. A common-mode inductance assembly according to any one of claims 1 to 6,
the two magnetic core portions include a first magnetic core portion and a second magnetic core portion;
the winding comprises a first winding and a second winding, the first winding is wound on the first magnetic core part, the second winding is wound on the second magnetic core part, and the number of turns of the first winding is equal to that of the second winding.
8. A common mode inductance assembly according to any one of claims 1 to 6, characterized in that the common mode inductance assembly further comprises:
and the magnetic shielding layer wraps the magnetic core and the winding to shield a magnetic field.
9. A filter, comprising:
a circuit board; and
the common mode inductance assembly of any one of claims 1 to 8, the pins of the common mode inductance assembly being electrically connected to the circuit board.
10. An appliance, comprising:
a main control board; and
the common mode inductor assembly of any one of claims 1 to 8, wherein the pins of the common mode inductor assembly are electrically connected to the main control board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020975725.3U CN211980325U (en) | 2020-06-02 | 2020-06-02 | Common mode inductance assembly, filter and household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020975725.3U CN211980325U (en) | 2020-06-02 | 2020-06-02 | Common mode inductance assembly, filter and household electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211980325U true CN211980325U (en) | 2020-11-20 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020975725.3U Active CN211980325U (en) | 2020-06-02 | 2020-06-02 | Common mode inductance assembly, filter and household electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211980325U (en) |
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2020
- 2020-06-02 CN CN202020975725.3U patent/CN211980325U/en active Active
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