CN113728404B - Inductance fixing device and power converter - Google Patents
Inductance fixing device and power converter Download PDFInfo
- Publication number
- CN113728404B CN113728404B CN202080026233.2A CN202080026233A CN113728404B CN 113728404 B CN113728404 B CN 113728404B CN 202080026233 A CN202080026233 A CN 202080026233A CN 113728404 B CN113728404 B CN 113728404B
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- inductance
- skeleton
- fixing device
- connecting terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 125000006850 spacer group Chemical group 0.000 claims description 28
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The application provides an inductance fixing device, including a pair of skeleton, magnetic core, inductor and connecting terminal, the magnetic core joint in a pair of between the skeleton, inductor twine in the week side of magnetic core, arbitrary one be equipped with a support frame on the skeleton, connecting terminal's one end with support frame fixed connection, connecting terminal's the other end with inductor is kept away from support piece's part fixed connection, connecting terminal connects support frame's one end is equipped with electrically conductive portion, electrically conductive portion is used for with outside conductive element electric connection. The utility model provides a through will connecting terminal with inductance coil connects, will again conducting part is fixed in on the support frame, through the second fastener will connecting terminal with outside conductive element fixed connection is in order to realize inductance coil's locate function, increase inductance fixing device's stability.
Description
Technical Field
The application relates to a fixing structure, in particular to an inductance fixing device and a power converter.
Background
Along with the development of electronic devices towards the small-size space-saving direction, the structure of the inductor in the prior art is single, the fixed installation mode occupies more space, the input and output of the inductor are connected by adopting cables, and the reliability is lower. The fixed inductance is usually supported through the skeleton, and the effect of location is lower, secondly because the inductance is in the environment of a motion for a long time, its stability is not high.
Disclosure of Invention
An object of the present application is to provide an inductance fixing device and a power converter, so as to solve the technical problems of position deviation and the like of an inductance coil in a transportation processing process.
On the one hand, the application provides an inductance fixing device, including a pair of skeleton, magnetic core, inductor and connecting terminal, the magnetic core joint in a pair of between the skeleton, inductor twine in the week side of magnetic core, arbitrary one be equipped with a support frame on the skeleton, connecting terminal's one end with support frame fixed connection, connecting terminal's the other end with inductor is kept away from the part fixed connection of support piece, connecting terminal connecting support frame's one end is equipped with conductive part, conductive part is used for with outside conductive element electric connection.
The framework comprises a first framework and a second framework, the first framework and the second framework are arranged at intervals relatively, a first positioning groove is formed in one face of the first framework, a second positioning groove is formed in one face of the second framework, a magnetic core column is arranged on the magnetic core, one end of the magnetic core column is clamped to the first positioning groove, and the other end of the magnetic core column is clamped to the second positioning groove.
The magnetic core further comprises a first magnetic core block and a second magnetic core block, one end of the magnetic core column is fixedly connected with the first magnetic core block, the other end of the magnetic core column is fixedly connected with the second magnetic core block, a first accommodating groove is formed in one face of the first framework, which faces away from the second framework, a second accommodating groove is formed in one face of the second framework, the first magnetic core block is accommodated in the first accommodating groove, and the second magnetic core block is accommodated in the second accommodating groove.
The inductance fixing device further comprises a first fastening piece, a clamping groove is formed in the supporting frame, a sinking groove is formed in the bottom of the clamping groove, one end of the connecting terminal is matched with the clamping groove in a positioning mode, a first through hole is formed in one end of the connecting terminal, a fixing piece is contained in the sinking groove, a second through hole is formed in one end of the fixing piece, facing the clamping groove, of the fixing piece, and the first fastening piece penetrates through the first through hole and the second through hole to fix one end of the connecting terminal on the supporting frame.
The inductance fixing device comprises a second fastening piece, the framework is provided with a top surface attached to the supporting frame and a bottom surface opposite to the top surface, the side surface is connected between the top surface and the bottom surface, the side surface is parallel to the opposite directions of the two frameworks, a first through hole is formed in the top surface of the framework, the first through hole penetrates through the top surface to the bottom surface, and the second fastening piece penetrates through the first through hole to fix the framework.
The first framework is provided with a first insulating gasket towards the direction of the second framework, the second framework is provided with a second insulating gasket towards the direction of the first framework, and the first insulating gasket and the second insulating gasket are used for isolating the second fastening piece from the inductance coil.
The inductance coil is provided with a head end and a tail end, the head end and the tail end are arranged at one end of the magnetic core column away from the supporting frame, the number of the connecting terminals is two, the two connecting terminals are arranged at intervals side by side, the head end is fixedly connected with one connecting terminal, and the tail end is fixedly connected with the other connecting terminal.
The surface of the connecting terminal, which is connected with the inductance coil, is larger than or equal to the surface of the inductance coil, which is connected with the connecting terminal.
The inductance coil is sequentially wound on a plurality of magnetic core columns.
On the other hand, the application also provides a power converter, which comprises the inductance fixing device and a shell, wherein the inductance fixing device is accommodated in the shell.
This application is through will connecting terminal with inductance coil connects, will again conducting part is fixed in on the support frame, through first fastener will connecting terminal with outside conductive element fixed connection is in order to realize inductance coil's locate function avoids inductance coil takes place the phenomenon of position offset at processes such as use, processing, transportation, increases inductance fixing device's stability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an inductance fixing device provided in the present application.
Fig. 2 is a reference diagram of a use state of an inductance fixing device provided in the present application.
Fig. 3 is an exploded view of an inductance fixing device provided in the present application.
Fig. 4 is a schematic diagram of a power converter provided in the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Referring to fig. 1 and 2, the present application provides an inductance fixing device 100, which includes a pair of bobbins 10, a magnetic core 20, an inductance coil 30 and a connection terminal 40, the magnetic core 20 is clamped between the bobbins 10, the inductance coil 30 is wound around the circumference of the magnetic core 20, any one of the bobbins 10 is provided with a support frame 50, one end of the connection terminal 40 is fixedly connected with the support frame 50, the other end of the connection terminal 40 is fixedly connected with a portion of the inductance coil 30 away from the support frame 50, one end of the connection terminal 40 connected with the support frame 50 is provided with a conductive portion 41, and the conductive portion 41 is electrically connected with an external conductive element 70.
Specifically, a pair of skeletons 10 are respectively disposed at two ends of the magnetic core 20, one end of the magnetic core 20 is clamped in one of the skeletons 10, the other end of the magnetic core 20 is clamped in the other one of the skeletons 10, so that the magnetic core 20 is flatly fixed in the pair of skeletons 10, one end of the magnetic core 20 is sequentially wound on the other end of the magnetic core 20 by the inductance coil 30, one of the skeletons 10 is provided with the support frame 50, the support frame 50 is used for mounting and positioning one end of the connection terminal 40, the other end of the connection terminal 40 is electrically welded with the inductance coil 30, so that the inductance coil 30 and the connection terminal 40 can be electrically connected, the conductive portion 41 is disposed at one end of the support frame 50 opposite to the skeleton 10, namely, at a portion where the connection terminal 40 and the support frame 50 are connected, wherein the connection terminal 40 and the external conductive element 70 are also fixedly connected to the support frame 50, so that the electrical connection between the inductance coil 30 and the external conductive element 70 is realized.
In this application, through will the one end of inductor 30 with connecting terminal 40 welds, will again connecting terminal 40 the other end with outside conductive element 70 is fixed in on the support frame 50, make inductor 30 can paste more firmly and locate on the skeleton 10, can also prevent simultaneously inductor 30 takes place the phenomenon of offset, and then has solved the problem that the inaccurate location that causes the error takes place in the inductor 30 installation.
Further, as shown in fig. 2 and 3, the framework 10 includes a first framework 11 and a second framework 12, the first framework 11 and the second framework 12 are relatively arranged at intervals, a first positioning groove is formed on one surface of the first framework 11 facing the second framework 12, a second positioning groove is formed on one surface of the second framework 12 facing the first framework 11, a magnetic core column 23 is arranged on the magnetic core 20, one end of the magnetic core column 23 is clamped to the first positioning groove 11a, and the other end of the magnetic core column 23 is clamped to the second positioning groove 12a.
Specifically, the frame 10 is made of a low magnetic permeability material or an insulating material, the external dimensions of the first frame 11 and the external dimensions of the second frame 12 are the same, the first frame 11 and the second frame 12 are in a cross shape, two first positioning grooves 11a are formed in the first frame 11, the two first positioning grooves 11a are arranged on one surface of the first frame 11 facing the second frame 12 at intervals side by side, two second positioning grooves 12a are formed in the second frame 12, the two second positioning grooves 12a are arranged on one surface of the second frame 12 facing the first frame 11 at intervals side by side, and the first positioning grooves 11a and the second positioning grooves 12a are coaxially arranged; the quantity of magnetic core post 23 is two, magnetic core post 23 is the cylinder structure, magnetic core post 23 is made by magnetic conduction material, two magnetic core post 23 interval sets up side by side, first constant head tank 11a with second constant head tank 12a set up with the circular slot of magnetic core post 23 looks adaptation, two magnetic core post 23 perpendicular to first skeleton 11 with second skeleton 12, just the length of magnetic core post 23 is greater than first skeleton 11 orientation one side of second skeleton 12 to the second skeleton 12 orientation the interval of one side of first skeleton 11, in order to realize the both ends of magnetic core post 23 all can the joint first skeleton 11 with in the second skeleton 12.
In this embodiment, the first positioning groove 11a and the second positioning groove 12a are formed on the first framework 11 and the second framework 12 respectively, so that the magnetic core column 23 can be clamped between the first framework 11 and the second framework 12, and the inductance fixing device 100 is compact, simple and easy to install.
Further, the magnetic core further comprises a first magnetic core block 21 and a second magnetic core block 22, one end of the magnetic core column 23 is fixedly connected with the first magnetic core block 21, the other end of the magnetic core column 23 is fixedly connected with the second magnetic core block 22, a first accommodating groove 11b is formed in one face, facing away from the second framework 12, of the first framework 11, a second accommodating groove 12b is formed in one face, facing away from the first framework 11, of the second framework 12, the first magnetic core block 21 is accommodated in the first accommodating groove 11b, and the second magnetic core block 22 is accommodated in the second accommodating groove 12 b.
Specifically, the first magnetic core block 21 and the second magnetic core block 22 have a U-shaped structure, the magnetic core post 23 and the surface facing the first framework 11 are mutually bonded with the surface facing the first magnetic core block 21 and the surface facing the second framework 12, the surface facing the second framework 12 of the magnetic core post 23 and the surface facing the first framework 11 of the first magnetic core block 21 are mutually bonded, in this embodiment, the surface facing the first framework 11 of the first magnetic core block 21 and the magnetic core post 23 is bonded and connected by a bonding manner, and the surface facing the second framework 12 of the magnetic core post 23 and the magnetic core post 22 is bonded and connected by a bonding manner; the first accommodating groove 11b and the second accommodating groove 12b are both U-shaped grooves, the first accommodating groove 11b is formed in one surface of the first framework 11, which is opposite to the first positioning groove 11a, the first accommodating groove 11b is used for accommodating the first magnetic core block 21, the first magnetic core block 21 is in clearance fit with the first accommodating groove 11b, the second accommodating groove 12b is formed in one surface of the second framework 12, which is opposite to the second positioning groove 12a, the second accommodating groove 12b is used for accommodating the second magnetic core block 22, and the second magnetic core block 22 is in clearance fit with the second accommodating groove 12 b; the first accommodating groove 11b is communicated with the first positioning groove 11a, and the second accommodating groove 12b is communicated with the second positioning groove 12a.
In this embodiment, the first magnetic core block 21 and the second magnetic core block 22 are additionally arranged at two ends of the magnetic core leg 23, so that two magnetic core legs 23 and the first magnetic core block 21 and the second magnetic core block 22 form a closed magnetic circuit, and the first accommodating groove 11b and the second accommodating groove 12b are respectively formed in the first framework 11 and the second framework 12, so that the first magnetic core block 21 and the second magnetic core block 22 can be respectively accommodated in the framework 10, and the overall structure of the inductance fixing device 100 is simple and easy to assemble and disassemble. Of course, in other embodiments, the first magnetic core block 21 and the second magnetic core block 22 are also rectangular, polygonal or oval structures, the structural sizes of the first magnetic core block 21 and the second magnetic core block 22 do not need to be the same, for example, the first magnetic core block 21 is rectangular, the second magnetic core block 22 is oval, and the second magnetic core block 22 is correspondingly arranged according to actual requirements, which is not specifically limited in the present application, and all the above are within the scope of protection of the present application.
Further, the inductance fixing device 100 further includes a first fastening member 60, the support frame 50 is provided with a locking groove 50a, a sinking groove 50b is disposed at the bottom of the locking groove 50a, one end of the connection terminal 40 is in positioning fit with the locking groove 50a, one end of the connection terminal 40 is provided with a first through hole 41a, a fixing member 51 is accommodated in the sinking groove 50b, one end of the fixing member 51 facing the locking groove 50a is provided with a second through hole 51a, and the first fastening member 60 passes through the first through hole 41a and the second through hole 51a to fix one end of the connection terminal 40 on the support frame 50.
Specifically, two sinking grooves 50b are formed in the support frame 50, the sinking grooves 50b are hexagonal nut holes, the number of fixing pieces 51 is two, the fixing pieces 51 are hexagonal screws, the fixing pieces 51 are fixed in the sinking grooves 50b, the clamping grooves 50a are rectangular, the connecting terminals 40 are of a convex structure, the connecting terminals 40 are made of permeable magnetic materials, one ends of the connecting terminals 40 close to the support frame 50 are conductive parts, the conductive parts 41 are rectangular, so that the conductive parts 41 are matched with the clamping grooves 50a, the opening depth of the clamping grooves 50a is smaller than the thickness of the conductive parts 41, part of the conductive parts 41 are limited in the clamping grooves 50a, the other parts of the conductive parts 41 are protruded on the first support frame and are connected with the external conductive elements 70, the conductive parts 41 are provided with first through holes 41a, the first through holes are matched with the second through holes 51a, the first through holes are matched with the second through holes 60 a, the first through holes 60 a are matched with the second through holes 41a, and the first through holes 60 a are rotatably matched with the second through holes 41a, and the first through holes 60 a are coaxially arranged on the first through holes 41a and the second through holes 41 are matched with the second through holes 41.
In this embodiment, the engaging groove 50a is formed in the supporting frame 50 to provide that one end of the connection terminal 40 can be attached to the supporting frame 50, and in order to prevent the conductive portion 41 from being displaced, the sinking groove 50b is formed below the engaging groove 50a, and meanwhile, the fixing member 51 and the conductive portion 41 are respectively formed with a first through hole 41a and a second through hole 51a, so as to position the conductive portion 41 on the supporting frame 50 by the first fastener 60. Of course, in other embodiments, the engaging groove 50a and the conductive portion 41 may be circular, polygonal, etc., and the engaging groove 50a may be changed correspondingly according to the actual situation along with the change of the conductive portion 41, which is not specifically limited in the present application and falls within the scope of protection of the present application.
Further, the inductance fixing device 100 includes a second fastening member 80, the frame 10 has a top surface 10a attached to the support frame 50 and a bottom surface 10b opposite to the top surface 10a, and a side surface 10c connected between the top surface 10a and the bottom surface 10b, the side surface 10c is parallel to two opposite directions of the frame 10, the top surface 10a of the frame 10 is provided with a first through hole 15, the first through hole 15 penetrates through the top surface 10a to the bottom surface 10b, and the second fastening member 80 penetrates through the first through hole 15 to fix the frame 10.
Specifically, the first skeleton 11 has a first body portion 111 and a first protruding portion 112, the second skeleton 12 has a second body portion 121 and a second protruding portion 122, the first body portion 111 is integrally formed with the first protruding portion 112, and the second body portion 121 and the second protruding portion 122 are integrally formed; the first positioning groove 11a and the first accommodating groove 11b are arranged in the first body portion 111, the second positioning groove 12a and the second accommodating groove 12b are arranged in the second body portion 121, the first body portion 111 and the second body portion 121 have the same appearance structure and are rectangular bodies, the first protruding portion 112 is arranged on two side surfaces 10c of the first body portion 111, the second protruding portion 122 is arranged on two side surfaces 10c of the second body portion 121, the lengths of the first protruding portion 112 from the top surface 10a to the bottom surface 10b are smaller than the lengths of the first body portion 111, the lengths of the second protruding portion 122 from the top surface 10a to the bottom surface 10b are smaller than the lengths of the second body portion 121, first through holes 15 are formed in the first protruding portion 112 and the second protruding portion 122, first through holes 15 are formed in the first skeleton 11 and the second skeleton 12, the first through holes 15 are formed in the second skeleton 11 and the second skeleton 12, the first through holes 80 are formed in the second skeleton 12, and the second through holes 80 are formed in the second skeleton 80.
In this embodiment, the first through hole 15 is formed in the protruding portion, and the second fastening member 80 is further inserted through the first through hole 15, so as to fix the skeleton 10, thereby preventing the inductance fixing device 100 from being displaced.
Further, a first insulating spacer 113 is disposed in a direction of the first skeleton 11 facing the second skeleton 12, a second insulating spacer 123 is disposed in a direction of the second skeleton 12 facing the first skeleton 11, and the first insulating spacer 113 and the second insulating spacer 123 are used for isolating the second fastener 80 from the inductor coil 30.
Specifically, the first insulating spacer 113 and the second insulating spacer 123 are made of insulating materials, the first insulating spacer 113 and the second insulating spacer 123 are rectangular, the first insulating spacer 113 and the first framework 11 are integrally formed, and the second insulating spacer 123 and the second framework 12 are integrally formed; the first insulating spacer 113 and the second insulating spacer 123 are provided with second through holes 16, the magnetic core column 23 is clamped in the frame 10 through the second through holes 16, and the first insulating spacer 113 and the second insulating spacer 123 isolate the second fastening member 80 from the inductor coil 30.
In this embodiment, the first insulating spacer 113 and the second insulating spacer 123 are disposed between the first framework 11 and the second framework 12, so as to reduce the influence of the second fastener 80 on the conductive performance of the inductor coil 30, and meanwhile, the structures of the first insulating spacer 113 and the second insulating spacer 123 are simple and convenient to install, so as to reduce the processing cost.
Further, the inductance coil 30 has a head end 31 and a tail end 32, the head end 31 and the tail end 32 are disposed at one end of the magnetic core leg 23 far away from the supporting frame 50, the number of the connecting terminals 40 is two, the two connecting terminals 40 are disposed at intervals side by side, the head end 31 is fixedly connected with one of the connecting terminals 40, and the tail end 32 is fixedly connected with the other connecting terminal 40.
Specifically, in this embodiment, the head end 31 and the tail end 32 are disposed on a side close to the second skeleton 12, one end of the connection terminal 40, which is far away from the support frame 50, is a bent end 42, the bent end 42 is in an "L" shape, one of the bent ends 42 of the connection terminal 40 is electrically welded to the head end 31 of the inductor coil 30, the other bent end 42 of the connection terminal 40 is electrically welded to the tail end 32 of the inductor coil 30, it can be understood that the bent end 42 of the connection terminal 40 is welded to the inductor coil 30, the conductive portion 41 of the connection terminal 40 is fixed in the engagement groove of the support frame 50 by the first fastener 60, the cross sections of the head end 31 and the tail end 32 are rectangular surfaces with the same size, and the cross sections of the bent ends 42 are also rectangular, and the area of the cross sections 42a of the bent ends 42 is greater than or equal to the area of the cross sections 41a of the head end 31 and the tail end 32 so that the inductor coil 30 and the connection terminal 40 have good electrical contact.
In this embodiment, the head end 31 and the tail end 32 of the inductor 30 are disposed on the same side so that the inductor 30 can be connected to the connection terminal 40, and the cross-sectional area of the bent portion of the connection terminal 40 is larger than the cross-sectional areas of the head end 31 and the tail end 32, so as to reduce the impedance generated by the inductor 30.
Further, the inductance coil 30 is wound around a plurality of the core legs 23 in sequence.
Specifically, a portion of the inductor 30 is located on one of the magnetic core legs 23, another portion of the inductor 30 is located on the other magnetic core leg 23, the inductor 30 is wound from the head end 31 of one of the magnetic core legs 23, extends from the second frame 12 toward the first frame 11, after the inductor 30 is wound from the second insulating spacer 123 to the first insulating spacer 113, the inductor 30 extends onto the other magnetic core leg 23, and is wound from the other magnetic core leg 23 toward the first frame 11 to the second frame 12 to the second insulating spacer 123, and it can be understood that the head end 31 and the tail end 32 of the inductor 30 are both attached to the second insulating spacer 123.
In this embodiment, the inductance coil 30 is integrally wound on the two magnetic core columns 23, so that the opening of the head end 31 and the tail end 32 of the inductance coil 30 is reduced on the premise of ensuring the number of winding turns, thereby saving the processing cost and reducing the power consumption. Of course, in other embodiments, the magnetic core leg 23 may be one, three, four, etc. according to actual requirements.
The embodiment of the present application further provides a power converter 500, where the power converter 500 is provided with a housing 200, the power converter 500 includes the inductance fixing device 100, and the inductance fixing device 100 is fixed in the housing 200 by the second fastener 80, so that the inductance fixing device 100 is installed in the power converter 500 more stably.
In this application, firstly, one surface of the first skeleton 11, which is close to the first positioning groove 11a, is attached to the first insulating spacer 113, then, one end of the magnetic core leg 23 is clamped in the first positioning groove 11a, the two magnetic core legs 23 are sequentially wound around the inductance coil 30, the head end 31 and the tail end 32 of the inductance coil 30 are respectively connected with the two connecting terminals 40 by electric welding, then, one surface of the second skeleton 12, which is close to the second positioning groove 12a, is attached to the second insulating spacer 123, then, the other end of the magnetic core leg 23 is clamped in the second positioning groove 12a, then, the first magnetic core block 21 is arranged in the first accommodating groove 11b, the second magnetic core block 22 is arranged in the second accommodating groove 12b, and both ends of the magnetic core leg 23 are respectively abutted against the first magnetic core block 21 and the second magnetic core block 22, so that the two magnetic core legs 23 and the first magnetic core block 21 and the second magnetic core block 22 form a closed magnetic circuit; next, the fixing member 51 is installed in the sinking groove 50b, the conductive portion 41 is fixed in the engaging groove 50a, the external conductive element 70 is attached to a surface of the conductive portion 41 facing away from the supporting frame 50, the first fastening member 60 fixes the conductive portion 41 and the external conductive element 70 in the engaging groove 50a, and finally the first frame 11 and the second frame 12 are fixed in the power converter 500 by the second fastening member 80.
According to the embodiment of the application, the inductance coil 30 is arranged into an integrated structure, the opening of the head end 31 and the tail end 32 is reduced, the electric energy loss is reduced, the head end 31 and the tail end 32 of the inductance coil 30 are additionally provided with the connecting terminal 40 to fixedly connect the inductance coil 30 with the connecting terminal 40, meanwhile, the first framework 11 is additionally provided with the supporting frame 50 so as to provide a positioning installation area of the connecting terminal 40, and finally, the connecting terminal 40 is fixedly connected with the external conductive element 70 in a positioning way through the first fastener 60, so that the positioning function of the inductance coil 30 is realized, meanwhile, the electric transmission can be further carried out, and the processing cost is reduced.
In summary, although the present application has been described with reference to the preferred embodiments, the preferred embodiments are not intended to limit the application, and those skilled in the art can make various modifications and adaptations without departing from the spirit and scope of the application, and the scope of the application is therefore defined by the claims.
While the foregoing is directed to the preferred embodiments of the present application, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the present application, such changes and modifications are also intended to be within the scope of the present application.
Claims (10)
1. The inductance fixing device is characterized by comprising a pair of frameworks, a magnetic core, an inductance coil and a connecting terminal, wherein the magnetic core is clamped between the pair of frameworks, the inductance coil is wound on the periphery of the magnetic core, a support frame is arranged on any one of the frameworks, one end of the connecting terminal is fixedly connected with the support frame, the other end of the connecting terminal is fixedly connected with a part, far away from the support piece, of the inductance coil, one end of the connecting terminal, which is connected with the support frame, is provided with a conductive part, and the conductive part is used for being electrically connected with an external conductive element; the connecting terminal is also fixedly connected with the external conductive element on the supporting frame; the inductance coil is provided with a head end and a tail end, wherein the head end is fixedly connected with one of the connecting terminals, and the tail end is fixedly connected with the other connecting terminal.
2. The inductance fixing device according to claim 1, wherein the skeleton includes a first skeleton and a second skeleton, the first skeleton and the second skeleton are relatively spaced apart, a first positioning groove is formed in a face of the first skeleton, which faces the second skeleton, a second positioning groove is formed in a face of the second skeleton, which faces the first skeleton, the magnetic core is provided with a magnetic core column, one end of the magnetic core column is clamped to the first positioning groove, and the other end of the magnetic core column is clamped to the second positioning groove.
3. The inductance fixing device of claim 2, wherein the magnetic core further comprises a first magnetic core block and a second magnetic core block, one end of the magnetic core column is fixedly connected with the first magnetic core block, the other end of the magnetic core column is fixedly connected with the second magnetic core block, a first accommodating groove is formed in one surface of the first framework, which faces away from the second framework, a second accommodating groove is formed in one surface of the second framework, which faces away from the first framework, the first magnetic core block is accommodated in the first accommodating groove, and the second magnetic core block is accommodated in the second accommodating groove.
4. The inductance fixing device according to claim 1, further comprising a first fastener, wherein a clamping groove is formed in the support frame, a sinking groove is formed in the bottom of the clamping groove, one end of the connecting terminal is in positioning fit with the clamping groove, a first through hole is formed in one end of the connecting terminal, a fixing piece is accommodated in the sinking groove, a second through hole is formed in one end of the fixing piece, facing the clamping groove, of the fixing piece, and one end of the connecting terminal is fixed on the support frame through the first through hole and the second through hole.
5. The device of claim 2, wherein the frame includes a second fastener, the frame has a top surface that fits the support frame and a bottom surface opposite to the top surface, and a side surface that is connected between the top surface and the bottom surface, the side surface is parallel to the opposite directions of the two frames, the top surface of the frame is provided with a first via hole, the first via hole penetrates the top surface to the bottom surface, and the second fastener penetrates the first via hole to fix the frame.
6. The inductance fixing device according to claim 5, wherein a first insulating spacer is provided in a direction of the first frame toward the second frame, a second insulating spacer is provided in a direction of the second frame toward the first frame, and the first insulating spacer and the second insulating spacer are used to isolate the second fastener from the inductance coil.
7. The inductance fixing device according to claim 2, wherein the head end and the tail end are disposed at one end of the magnetic core pillar away from the supporting frame, the number of the connecting terminals is two, and the two connecting terminals are disposed at a distance from each other.
8. The inductance fixing device according to claim 7, wherein a face of the connection terminal to which the inductance coil is connected is larger than or equal to a face of the connection terminal to which the inductance coil is connected.
9. The inductance fixing device according to any one of claims 1 to 8, wherein the inductance coil is wound around a plurality of the magnetic core legs in order.
10. A power converter comprising an inductance fixing device according to any one of claims 1 to 9, the power converter being provided with a housing in which the inductance fixing device is housed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/141580 WO2022141238A1 (en) | 2020-12-30 | 2020-12-30 | Inductor fixing device and power converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113728404A CN113728404A (en) | 2021-11-30 |
| CN113728404B true CN113728404B (en) | 2024-02-13 |
Family
ID=78672467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080026233.2A Active CN113728404B (en) | 2020-12-30 | 2020-12-30 | Inductance fixing device and power converter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113728404B (en) |
| WO (1) | WO2022141238A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07220950A (en) * | 1994-02-07 | 1995-08-18 | Tdk Corp | Inductance element |
| CN105849832A (en) * | 2013-12-26 | 2016-08-10 | 株式会社自动网络技术研究所 | Reactor |
| CN107437460A (en) * | 2016-05-28 | 2017-12-05 | 深圳市京泉华科技股份有限公司 | Skeleton and inductor |
| CN110379604A (en) * | 2019-07-04 | 2019-10-25 | 深圳振华富电子有限公司 | Low-frequency transformer and preparation method thereof |
| CN210925704U (en) * | 2019-08-07 | 2020-07-03 | 田村（中国）企业管理有限公司 | Hybrid magnetic circuit integrated inductor |
| CN214672103U (en) * | 2020-12-30 | 2021-11-09 | 深圳欣锐科技股份有限公司 | Inductor fixing device and power converter |
-
2020
- 2020-12-30 WO PCT/CN2020/141580 patent/WO2022141238A1/en active Application Filing
- 2020-12-30 CN CN202080026233.2A patent/CN113728404B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07220950A (en) * | 1994-02-07 | 1995-08-18 | Tdk Corp | Inductance element |
| CN105849832A (en) * | 2013-12-26 | 2016-08-10 | 株式会社自动网络技术研究所 | Reactor |
| CN107437460A (en) * | 2016-05-28 | 2017-12-05 | 深圳市京泉华科技股份有限公司 | Skeleton and inductor |
| CN110379604A (en) * | 2019-07-04 | 2019-10-25 | 深圳振华富电子有限公司 | Low-frequency transformer and preparation method thereof |
| CN210925704U (en) * | 2019-08-07 | 2020-07-03 | 田村（中国）企业管理有限公司 | Hybrid magnetic circuit integrated inductor |
| CN214672103U (en) * | 2020-12-30 | 2021-11-09 | 深圳欣锐科技股份有限公司 | Inductor fixing device and power converter |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022141238A1 (en) | 2022-07-07 |
| CN113728404A (en) | 2021-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4335887B2 (en) | Current detector | |
| US8063728B2 (en) | Inductive component for high currents and method for the production thereof | |
| US9019043B2 (en) | Feed through EMC filter | |
| EP3038117B1 (en) | Common mode choke coil | |
| CN214672103U (en) | Inductor fixing device and power converter | |
| CN113728404B (en) | Inductance fixing device and power converter | |
| CN100461035C (en) | Surface-mounted antenna apparatus | |
| JP2007043588A (en) | Coil antenna | |
| CN212324070U (en) | Power filter and electronic equipment | |
| JPH0520313U (en) | Chiyoke coil | |
| JP3476229B2 (en) | Box noise filter for large current | |
| JP2001167947A (en) | Noise filter for large current | |
| JP4176755B2 (en) | Coil parts | |
| JP4240344B2 (en) | choke coil | |
| JP2001035723A (en) | Drum core, drum-type rectangular core and variable type linearity chock coil using them, variable type linearity choke coil with base, and rectangular transformer | |
| CN216928254U (en) | Inductance element and power supply product | |
| JP4316548B2 (en) | Coil parts | |
| CN215815517U (en) | Combined inductor | |
| CN115938748A (en) | Integrated Transformer | |
| CN219180911U (en) | Signal conversion device and circuit breaker | |
| CN211376900U (en) | Circulator pressing structure and circulator | |
| CN215682072U (en) | Motor device | |
| CN218351254U (en) | Inductor | |
| JP2001196233A (en) | Troidal coil and supporting tool therefor | |
| CN210467543U (en) | Integrated double-filter inductor with electric isolation and pin fixing through holes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |