CN216957685U - Combined magnetic core fixing device - Google Patents
Combined magnetic core fixing device Download PDFInfo
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- CN216957685U CN216957685U CN202220421389.7U CN202220421389U CN216957685U CN 216957685 U CN216957685 U CN 216957685U CN 202220421389 U CN202220421389 U CN 202220421389U CN 216957685 U CN216957685 U CN 216957685U
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- magnetic core
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- connecting block
- fixing device
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Abstract
The utility model relates to a combined magnetic core fixing device, which belongs to the technical field of magnetic core installation and comprises a base and an upper cover; the base comprises a connecting block and a bottom plate, the connecting block is provided with a cavity for accommodating the magnetic core inductor, the two vertical ends of the cavity are arranged in an opening manner, and the bottom plate is fixedly connected to the bottom of the connecting block so as to seal the lower end of the cavity; the upper cover is connected to the top of the connecting block to seal the upper end of the cavity, and the upper cover is arranged in parallel to the bottom plate. When the magnetic core inductor is installed and fixed in the cavity, one magnetic core is connected with the bottom plate, and the other magnetic core is connected with the upper cover. This combination formula magnetic core fixing device is through placing the magnetic core inductance in the cavity and fixing to prevent that the magnetic core from breaking away from the skeleton, the magnetic core installation is firm, and is fixed effectual, has improved the safety in utilization of magnetic core inductance moreover.
Description
Technical Field
The utility model belongs to the technical field of magnetic core installation, and particularly relates to a combined type magnetic core fixing device.
Background
Magnetic core refers to a sintered magnetic metal oxide composed of various iron oxide mixtures. The ferrite core is inserted into the air core coil, so that the inductance can be increased, and the quality of the coil can be improved, therefore, the ferrite core is used as a high-frequency magnetic conduction material and is combined with the air core coil to form the core inductance, and further the ferrite core is widely used in the fields of household appliances, network communication, automotive electronics, aerospace military industry and the like.
The structure of the hollow coil on the market is shown in figure 1, and the coil is wound on the periphery of the hollow framework. The magnetic core inductor has a structure as shown in fig. 2, and two magnetic cores are correspondingly mounted and fixed at two longitudinal ends of the framework. At present, a structure special for installing or fixing a magnetic core is not available, the magnetic core is usually inserted into a framework and then fixed through glue dispensing or tape wrapping, although the existing fixing mode of glue dispensing or tape wrapping is simple and easy to operate, once glue dispensing or tape wrapping materials are aged, the magnetic core is easy to loosen and affect inductance work of the magnetic core, and the fixing mode of the magnetic core is not beneficial to heat dissipation. It is known that when a ferrite core works, heat is generated due to excessive coil current or excessive loss of magnetic materials (hysteresis loss and eddy current loss), and if the temperature of the ferrite reaches or exceeds the curie point (the temperature at which the magnetic materials lose ferromagnetism), the ferrite materials lose magnetism instantly, the inductance of the coil drops sharply, and the driving device may be burnt instantly.
Therefore, the fixing effect of the existing magnetic core combination fixing mode is poor, and the potential safety hazard is large.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a combined magnetic core fixing device which is used for fixing a magnetic core inductor and preventing the magnetic core from being separated from a framework.
The utility model provides a combined magnetic core fixing device which is used for installing and fixing a magnetic core inductor, wherein the magnetic core inductor comprises a hollow coil and two magnetic cores which are oppositely arranged, the hollow coil comprises a framework in a hollow structure and a coil wound on the periphery of the framework, and the two magnetic cores are correspondingly inserted into the vertical two ends of the framework respectively and wrap the left side and the right side of the framework; modular magnetic core fixing device includes:
a base, comprising:
the magnetic core inductor comprises a connecting block, a magnetic core and a magnetic core, wherein the connecting block is provided with a cavity for accommodating the magnetic core inductor, and the two vertical ends of the cavity are arranged in an opening manner;
the bottom plate is fixedly connected to the bottom of the connecting block so as to seal the lower end of the cavity;
the upper cover is connected to the top of the connecting block to seal the upper end of the cavity and is arranged in parallel to the bottom plate;
when the magnetic core inductor is installed and fixed in the cavity, one magnetic core is connected with the bottom plate, and the other magnetic core is connected with the upper cover.
This technical scheme holds the magnetic core inductance through the cavity that sets up to set up bottom plate and upper cover and seal the cavity, in order fixed magnetic core inductance, prevent that the magnetic core from breaking away from the skeleton, influence the use of magnetic core inductance.
In some embodiments, the cavity walls on the left side and the right side of the cavity are respectively provided with a first positioning groove for positioning the left end and the right end of the magnetic core, and the first positioning grooves are arranged along the vertical direction so that the magnetic core is slidably connected in the first positioning grooves.
This technical scheme fixes a position both ends about the magnetic core through setting up first constant head tank to play the guide effect to the magnetic core, take place the dislocation when preventing it from installing in the cavity.
In some embodiments, the bottom plate is provided with a second positioning groove for positioning a bottom of the magnetic core connected to the bottom plate, the second positioning groove extending in a left-right direction of the bottom plate, the second positioning groove communicating with the first positioning groove.
According to the technical scheme, the second positioning groove is arranged to position the bottom of the magnetic core connected with the bottom plate, so that the magnetic core is prevented from moving in a staggered manner; through setting up the second constant head tank and communicating with each other with first constant head tank, increased the location effect to the magnetic core.
In some embodiments, the connecting block is provided with through holes penetrating through the front side and the rear side of the connecting block, and the through holes are communicated with the cavity to dissipate heat of the magnetic core in the cavity.
This technical scheme has increased cavity air circulation speed through setting up the through-hole, has strengthened the radiating effect, has alleviateed the weight of connecting block simultaneously.
In some of these embodiments, the base plate and the connecting block are integrally formed.
In some embodiments, the surface of the upper cover facing the cavity is provided with a plurality of upper cover grooves.
This technical scheme has increased the heat radiating area of upper cover through the upper cover recess that sets up, has alleviateed the weight of upper cover simultaneously.
In some of these embodiments, the outer surface of the connector block is provided with a plurality of connector block grooves.
This technical scheme has increased the heat radiating area of connecting block through the connecting block recess that sets up, has strengthened the radiating effect to the weight of connecting block has been alleviateed.
Based on the technical scheme, the combined magnetic core fixing device in the embodiment of the utility model prevents the magnetic core from being separated from the framework by placing and fixing the magnetic core inductor in the cavity, the magnetic core is firmly installed, the fixing effect is good, and the use safety of the magnetic core inductor is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic diagram of a prior art hollow core coil;
FIG. 2 is a schematic diagram of a core inductor in the prior art;
fig. 3 is a schematic structural diagram of a combined magnetic core fixing device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an assembly of a combined magnetic core fixing device and a magnetic core inductor according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a base in the combined magnetic core fixing device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an upper cover of a combined magnetic core fixing device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of the assembly of the magnetic core and the bobbin in the magnetic core inductor.
In the figure:
1. an air-core coil; 2. a magnetic core; 3. an upper cover; 4. a base;
11. a framework; 12. a coil;
31. an upper cover groove;
41. connecting blocks; 42. a cavity; 43. a base plate;
111. a framework positioning groove;
411. a connecting block positioning groove; 412. a connecting block groove;
431. a second positioning groove.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely some embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In one exemplary embodiment of the modular core fixture of the present invention, as shown in fig. 1-7, the modular core fixture is used to mount and secure a core inductor. Among the prior art, the magnetic core inductance includes air core coil 1 and two magnetic cores 2 that set up relatively, and air core coil 1 is including being hollow structure's skeleton 11 and winding 12 in the 11 periphery of skeleton, and two magnetic cores 2 correspond respectively and insert the vertical both ends of skeleton 11 and wrap the left and right sides of skeleton 11. The combined magnetic core fixing device comprises a base 4 and an upper cover 3; the base 4 comprises a connecting block 41 and a bottom plate 43, the connecting block 41 is provided with a cavity 42 for accommodating the magnetic core inductor, two vertical ends of the cavity 42 are arranged in an opening manner, and the bottom plate 43 is fixedly connected to the bottom of the connecting block 41 so as to seal the lower end of the cavity 42; the upper cap 3 is coupled to the top of the connection block 41 to close the upper end of the cavity 42, and the upper cap 3 is disposed parallel to the bottom plate 43. When the core inductor is mounted and fixed in the cavity 42, one core 2 is connected to the bottom plate 43, and the other core 2 is connected to the upper cover 3.
Above-mentioned combination formula magnetic core fixing device places the magnetic core inductance in cavity 42 to set up bottom plate 43 and upper cover 3 and seal cavity 42, fix magnetic core 2, prevent that magnetic core 2 from breaking away from skeleton 11, avoid influencing the use of magnetic core inductance, above-mentioned combination formula magnetic core fixing device is effectual to the fixed of magnetic core 2, has improved the safety in utilization of magnetic core inductance moreover.
In order to prevent the magnetic core 2 from moving in the cavity 42, as shown in fig. 5, the cavity walls on the left and right sides of the cavity 42 are respectively provided with a first positioning slot 411 for positioning the left and right ends of the magnetic core 2, and the first positioning slot 411 is arranged along the vertical direction, so that the magnetic core 2 is slidably connected in the first positioning slot 411. The first positioning slot 411 also guides the installation of the magnetic core 2 in the cavity 42. It should be noted that, as shown in fig. 5, the bottom plate 43 is provided with a second positioning groove 431, the second positioning groove 431 is used for positioning the bottom of the magnetic core 2 connected with the bottom plate 43, the second positioning groove 431 extends along the left and right direction of the bottom plate 43, and the second positioning groove 431 is communicated with the first positioning groove 411. The second positioning groove 431 is communicated with the first positioning groove 411, so that the positioning effect on the magnetic core 2 is increased. It should be further noted that the bottom plate 43 and the connecting block 41 are integrally formed.
In order to facilitate the heat dissipation of the magnetic core inductor in the cavity 42, as shown in fig. 3-5, the connecting block 41 is provided with through holes penetrating through the front and rear sides of the connecting block 41, and the through holes are communicated with the cavity 42 to dissipate the heat of the magnetic core inductor in the cavity 42. The through holes not only increase the air circulation speed in the cavity 42 and enhance the heat dissipation effect, but also reduce the weight of the connecting block 41.
In order to further increase the heat dissipation effect, as shown in fig. 5 and 6, the surface of the upper cover 3 facing the cavity 42 is provided with a plurality of upper cover grooves 31. The outer surface of the connecting block 41 is provided with a plurality of connecting block grooves 412. The upper cover groove 31 increases the heat radiation area of the upper cover 3 while reducing the weight of the upper cover 3. The connecting block groove 412 increases the heat dissipation area of the connecting block 41, enhances the heat dissipation effect, and simultaneously reduces the weight of the connecting block 41.
In order to stably fix the core inductance in the above-described combined core fixing device, as shown in fig. 7, it is preferable that frame positioning grooves 111 are provided at both upper and lower ends of the frame 11, and the core 2 is mounted in the frame positioning grooves 111 to prevent the core 2 and the frame 11 from moving out of position.
Finally, it should be noted that: the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.
Claims (7)
1. A combined magnetic core fixing device is used for installing and fixing a magnetic core inductor, the magnetic core inductor comprises an air core coil (1) and two magnetic cores (2) which are oppositely arranged, the air core coil (1) comprises a framework (11) which is of a hollow structure and coils (12) which are wound on the periphery of the framework (11), and the two magnetic cores (2) are correspondingly inserted into the vertical two ends of the framework (11) respectively and wrap the left side and the right side of the framework (11); characterized in that, combination formula magnetic core fixing device includes:
a base (4) comprising:
the magnetic core inductor comprises a connecting block (41), wherein a cavity (42) used for accommodating the magnetic core inductor is formed in the connecting block (41), and two vertical ends of the cavity (42) are arranged in an opening manner;
the bottom plate (43), the bottom plate (43) is fixedly connected to the bottom of the connecting block (41) to close the lower end of the cavity (42);
an upper cover (3), the upper cover (3) being connected to the top of the connecting block (41) to close the upper end of the cavity (42), the upper cover (3) being disposed parallel to the bottom plate (43);
wherein one of the magnetic cores (2) is connected to the base plate (43) and the other magnetic core (2) is connected to the upper cover (3) when the magnetic core inductor is mounted and fixed in the cavity (42).
2. A combined magnetic core fixing device according to claim 1, characterized in that the cavity walls on the left and right sides of the cavity (42) are respectively provided with a first positioning slot (411) for positioning the left and right ends of the magnetic core (2), and the first positioning slot (411) is arranged along the vertical direction, so that the magnetic core (2) is slidably connected in the first positioning slot (411).
3. A combined magnetic core fixing device according to claim 2, characterized in that the base plate (43) is provided with a second positioning groove (431), the second positioning groove (431) is used for positioning the bottom of the magnetic core (2) connected with the base plate (43), the second positioning groove (431) extends along the left-right direction of the base plate (43), and the second positioning groove (431) is communicated with the first positioning groove (411).
4. A combined magnetic core fixing device according to claim 2, characterized in that the connecting block (41) is provided with through holes penetrating through the front and rear sides of the connecting block (41), and the through holes are communicated with the cavity (42) to inductively dissipate heat from the magnetic core in the cavity (42).
5. A modular core holder as claimed in claim 1, wherein the base plate (43) and the connecting block (41) are integrally formed.
6. A combined core fixation device according to claim 1, characterized in that the surface of the cover (3) facing the cavity (42) is provided with cover recesses (31).
7. A combined magnetic core fixing device according to claim 1, characterized in that the outer surface of the connecting block (41) is provided with a plurality of connecting block grooves (412).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220421389.7U CN216957685U (en) | 2022-02-28 | 2022-02-28 | Combined magnetic core fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220421389.7U CN216957685U (en) | 2022-02-28 | 2022-02-28 | Combined magnetic core fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216957685U true CN216957685U (en) | 2022-07-12 |
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ID=82294055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220421389.7U Active CN216957685U (en) | 2022-02-28 | 2022-02-28 | Combined magnetic core fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216957685U (en) |
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2022
- 2022-02-28 CN CN202220421389.7U patent/CN216957685U/en active Active
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