CN208335913U - A kind of common mode inductance - Google Patents

A kind of common mode inductance Download PDF

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Publication number
CN208335913U
CN208335913U CN201820958062.7U CN201820958062U CN208335913U CN 208335913 U CN208335913 U CN 208335913U CN 201820958062 U CN201820958062 U CN 201820958062U CN 208335913 U CN208335913 U CN 208335913U
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China
Prior art keywords
epoxy plate
common mode
mode inductance
magnetic ring
square magnetic
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CN201820958062.7U
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Chinese (zh)
Inventor
丁毅
韩志豪
王晓峰
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SHENZHEN BOULDER ELECTRONIC Co Ltd
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SHENZHEN BOULDER ELECTRONIC Co Ltd
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Abstract

The utility model discloses a kind of common mode inductance, which includes bottom epoxy plate, top E shape epoxy plate, square magnetic ring and two U-shaped copper sheets;Square magnetic ring is placed on the epoxy plate of bottom in the way of upward by annular distance;Bottom epoxy plate has notch, and notch is distributed in inside and outside annular distance using the side of square magnetic ring as axial symmetry;Top E shape epoxy plate is placed on square magnetic ring and there are two groove, two U-shaped copper sheets are passed through square magnetic ring side in a manner of downward opening and are caught in two grooves tool thereon;In the notch of the open end insertion bottom epoxy plate of two U-shaped copper sheets.Relative to traditional common mode inductance, common mode inductance provided by the utility model, instead of existing enameled wire, not will receive the influence of enameled wire coiling line footpath and have large volume using copper sheet;Meanwhile copper sheet has biggish sectional area compared to enameled wire, is capable of providing bigger electric current, i.e., common mode inductance provided by the utility model has small size and it is capable of providing high current.

Description

A kind of common mode inductance
Technical field
The utility model relates to electroporation fields, more specifically to a kind of common mode inductance.
Background technique
Conventional common-mode inductance generallys use multi cord and is made around magnet ring, will be influenced by enameled wire coiling line footpath and Volume is bigger than normal, meanwhile, the electric current that can be provided of traditional common mode inductance is generally within 50A, it is difficult to there is the space of rising, because This provides a kind of with small size and to provide the common mode inductance of high current be urgently to be resolved.
Utility model content
The main purpose of the utility model is to provide a kind of common mode inductances, it is intended to solve existing common mode inductance volume it is big and The small technical problem of its electric current that can be provided.
To achieve the above object, the utility model provides a kind of common mode inductance, which includes bottom epoxy plate, top Portion E shape epoxy plate, square magnetic ring and two U-shaped copper sheets;
Square magnetic ring has annular distance, and square magnetic ring is placed on the epoxy plate of bottom in the way of upward by annular distance;Bottom epoxy Plate has notch, and notch is distributed in inside and outside annular distance using the side of square magnetic ring as axial symmetry;
Top E shape epoxy plate is placed on square magnetic ring, and there are two grooves for top E shape epoxy plate tool, and two U-shaped copper sheets are to open The mode of mouth down passes through square magnetic ring side and is caught in two grooves;Bottom epoxy plate is inserted into the open end of two U-shaped copper sheets Notch in.
Optionally, square magnetic ring by U-shaped magnetic core and is placed in the coreplane of U-shaped magnetic core open end and is spliced to form.
Optionally, between bottom epoxy plate and square magnetic ring and two U-shaped copper sheets, square magnetic ring and top E shape epoxy It is all fixed between plate with epoxy glue.
Optionally, anti-electric adhesive tape is pasted on U-shaped copper sheet, anti-electric adhesive tape is located at bottom epoxy plate or more, top E shape epoxy Plate position below.
Optionally, common mode inductance is attached by the connection type welded with external devices, and the open end of U-shaped copper sheet is Welding ends.
Optionally, there are four notch or eight notches for bottom epoxy plate tool.
Optionally, when bottom epoxy plate has eight notches, the open end of U-shaped copper sheet has U type slot, U type slot It is inserted into eight notches of bottom epoxy plate.
Beneficial effect
The utility model provides a kind of common mode inductance, which includes bottom epoxy plate, top E shape epoxy plate, side Shape magnet ring and two U-shaped copper sheets;Square magnetic ring has annular distance, and square magnetic ring is placed in bottom epoxy by annular distance in the way of upward On plate;Bottom epoxy plate has notch, and notch is distributed in inside and outside annular distance using the side of square magnetic ring as axial symmetry;Top E shape ring Oxygen plate is placed on square magnetic ring, and there are two groove, two U-shaped copper sheets are passed through top E shape epoxy plate tool in a manner of downward opening Square magnetic ring side is simultaneously caught in two grooves;In the notch of the open end insertion bottom epoxy plate of two U-shaped copper sheets.This is practical new The common mode inductance that type provides is made of epoxy plate, U-shaped copper sheet and magnet ring, relative to traditional common mode inductance, the utility model The common mode inductance of offer, instead of existing enameled wire, not will receive the influence of enameled wire coiling line footpath and have using copper sheet Large volume;Meanwhile the copper sheet in the utility model has biggish sectional area compared to enameled wire, is capable of providing bigger electricity Stream, i.e., common mode inductance provided by the utility model has small size and it is capable of providing high current.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those skilled in the art, without creative efforts, also Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the structural schematic diagram of conventional common-mode inductance,
Fig. 2 is the schematic perspective view of common mode inductance provided by the embodiment of the utility model;
Fig. 3 is the front view of common mode inductance provided by the embodiment of the utility model;
Fig. 4 is the side view of common mode inductance provided by the embodiment of the utility model;
Fig. 5 is the structural schematic diagram of E shape epoxy plate in top provided by the embodiment of the utility model;
Fig. 6 is the rectangular magnetic structure schematic diagram of common mode inductance provided by the embodiment of the utility model;
Fig. 7 is the schematic diagram of anti-electric adhesive tape sticking position on common mode inductance provided by the embodiment of the utility model.
Specific embodiment
It, below will knot to enable the purpose of utility model, feature, advantage of the utility model more obvious and understandable The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described, Obviously, the described embodiments are only a part of the embodiments of the utility model, and not all embodiments.Based on the utility model In embodiment, those skilled in the art's every other embodiment obtained without making creative work, all Belong to the range of the utility model protection.
Traditional common mode inductance is generally prepared by the way of multiply enameled wire coiling magnet ring, thus referring to Fig. 1 The common mode inductance tool that kind preparation process obtains has the following defects: 1, in 50A or so electric current, its line footpath will be very big;2, Artificial progress coiling is needed when preparation, the difficulty for processing coiling is big;3, conventional common-mode electroreception line footpath limitation will have partially Big volume present embodiments provides a kind of common mode inductance based on this, and referring to fig. 2, shown in Fig. 3 and Fig. 4, Fig. 2 is this implementation The schematic perspective view for the common mode inductance that example provides, Fig. 3, Fig. 4 are respectively the front view of the provided common mode inductance of the present embodiment And side view.The common mode inductance include bottom epoxy plate 1, top E shape epoxy plate 2, square magnetic ring 3 and two U-shaped copper sheets 4 with 5;The structure of top E shape epoxy plate 2 can be found in shown in Fig. 5.
Square magnetic ring 3 has annular distance, and square magnetic ring 3 is placed on bottom epoxy plate 1 in the way of upward by annular distance;Bottom part ring Oxygen plate 1 has notch, and notch is distributed in inside and outside annular distance using the side of square magnetic ring 3 as axial symmetry;
Top E shape epoxy plate 2 is placed on square magnetic ring 3, and there are two groove, two U-shaped copper sheets 4 for the tool of top E shape epoxy plate 2 3 side of square magnetic ring is passed through in a manner of downward opening with 5 and is caught in two grooves;It inserts the open end of two U-shaped copper sheets 4 and 5 In the notch for entering bottom epoxy plate 1.
In the other some examples of the present embodiment, square magnetic ring is by U-shaped magnetic core 6 and is placed in U-shaped magnetic core open end Coreplane 7 is spliced to form, which can be found in shown in Fig. 6.
In the other some examples of the present embodiment, between bottom epoxy plate and square magnetic ring and two U-shaped copper sheets, just It is all fixed between shape magnet ring and top E shape epoxy plate with epoxy glue.
In the other some examples of the present embodiment, anti-electric adhesive tape is pasted on U-shaped copper sheet, anti-electric adhesive tape is located at bottom part ring It is more than oxygen plate, top E shape epoxy plate position below, the specific location that anti-electric adhesive tape attaches can be found in Fig. 7, the shadow part in figure Dividing is anti-electric adhesive tape.
Common mode inductance is attached by the connection type welded with external devices in other examples of the present embodiment, U The open end of shape copper sheet is welding ends.
In other examples, there are four notches, the open end of U-shaped copper sheet to be inserted into for bottom epoxy plate tool under normal circumstances In notch;In yet some other cases, bottom epoxy plate has eight notches, while the open end of U-shaped copper sheet has U-type groove Mouthful, i.e., two U-shaped copper sheets have eight ports altogether, i.e., bottom just can be inserted in eight ports of two U-shaped copper sheets at this time In eight notches of epoxy plate.
The conducting wire of common mode inductance provided by the present embodiment is made of being cut using copper sheet, not limited to by line footpath, tool There is lesser volume, while the copper sheet size can be adjusted according to size of current.General conventional common-mode inductance volume size is 33mm* 17mm*28.5mm=16.0cm3, and the volume size of common mode inductance provided by the present embodiment is 32mm*14.5mm*24.8mm =11.5cm3, reduce 28.1% compared to conventional common-mode inductance volume.
It is to be appreciated that the size of electric current will be influenced by sectional area of wire.Conventional common-mode inductance can be provided Maximum current about 50A, and the provided common mode inductance of the present embodiment has biggish sectional area, the maximum current that can be provided can Up to 100A or more, can be adjusted by copper sheet size, the upper limit is not limited to by processing technology.
Traditional common mode inductance is formed using the pure manual coiling of multi cord, this will be easy to damage the insulating layer of enameled wire, make Common mode inductance reliability is low, while the line footpath accumulation inside ring presses together and will be unfavorable for radiating, so as to cause product Service life reduces.And common mode inductance provided by the present embodiment need to only carry out positioning assembling without coiling, it is with higher Reliability and longer service life.
It should be noted that for the various method embodiments described above, describing for simplicity, therefore, it is stated as a series of Combination of actions, but those skilled in the art should understand that, the utility model is not limited by the described action sequence, Because certain steps can use other sequences or carry out simultaneously according to the utility model.Secondly, those skilled in the art It should be aware of, the embodiments described in the specification are all preferred embodiments, and related actions and modules might not be all It is necessary to the utility model.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment Point, it may refer to the associated description of other embodiments, meanwhile, above-mentioned the utility model embodiment serial number is for illustration only, no The superiority and inferiority of embodiment is represented, those skilled in the art are not departing from the utility model under the enlightenment of the utility model In the case of objective and scope of the claimed protection, many forms can be also made, these belong to the protection of the utility model Within.

Claims (7)

1. a kind of common mode inductance, which is characterized in that the common mode inductance includes bottom epoxy plate, top E shape epoxy plate, rectangular magnetic Ring and two U-shaped copper sheets;
The square magnetic ring has annular distance, and the square magnetic ring is placed on the bottom epoxy plate by annular distance in the way of upward; The bottom epoxy plate has notch, and the notch is distributed in the annular distance by axial symmetry of the side of the square magnetic ring Outside;
The top E shape epoxy plate is placed on the square magnetic ring, and top E shape epoxy plate tool is there are two groove, and described two A U-shaped copper sheet is passed through the square magnetic ring side in a manner of downward opening and is caught in described two grooves;Described two U-shaped copper The open end of piece is inserted into the notch of the bottom epoxy plate.
2. common mode inductance as described in claim 1, which is characterized in that the square magnetic ring is by U-shaped magnetic core and is placed in the U The coreplane of type magnetic core open end is spliced to form.
3. common mode inductance as described in claim 1, which is characterized in that the bottom epoxy plate and the square magnetic ring and two It is all fixed between a U-shaped copper sheet, between the square magnetic ring and the top E shape epoxy plate with epoxy glue.
4. common mode inductance as described in claim 1, which is characterized in that anti-electric adhesive tape is pasted on the U-shaped copper sheet, it is described anti- Electric adhesive tape is located at bottom epoxy plate or more, top E shape epoxy plate position below.
5. common mode inductance as described in claim 1, which is characterized in that the common mode inductance passes through the connection type of welding and outer Portion's device is attached, and the open end of the U-shaped copper sheet is welding ends.
6. common mode inductance as described in any one in claim 1-5, which is characterized in that there are four notches for the bottom epoxy plate tool Or eight notches.
7. common mode inductance as claimed in claim 6, which is characterized in that when the bottom epoxy plate has eight notches, institute The open end for stating U-shaped copper sheet has U type slot, and the U type slot is inserted into eight notches of the bottom epoxy plate.
CN201820958062.7U 2018-06-20 2018-06-20 A kind of common mode inductance Active CN208335913U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820958062.7U CN208335913U (en) 2018-06-20 2018-06-20 A kind of common mode inductance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820958062.7U CN208335913U (en) 2018-06-20 2018-06-20 A kind of common mode inductance

Publications (1)

Publication Number Publication Date
CN208335913U true CN208335913U (en) 2019-01-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820958062.7U Active CN208335913U (en) 2018-06-20 2018-06-20 A kind of common mode inductance

Country Status (1)

Country Link
CN (1) CN208335913U (en)

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