CN221058596U - Power filter and electronic device - Google Patents
Power filter and electronic device Download PDFInfo
- Publication number
- CN221058596U CN221058596U CN202323060726.8U CN202323060726U CN221058596U CN 221058596 U CN221058596 U CN 221058596U CN 202323060726 U CN202323060726 U CN 202323060726U CN 221058596 U CN221058596 U CN 221058596U
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- China
- Prior art keywords
- power filter
- mounting
- filter
- packaging
- power
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- 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.)
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 38
- 239000002184 metal Substances 0.000 claims abstract description 38
- 238000004806 packaging method and process Methods 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000004382 potting Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 14
- 238000009434 installation Methods 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a power filter and electronic equipment, wherein the power filter comprises a metal shell, a filter module and a mounting structure, wherein the metal shell is provided with a packaging cavity, a packaging opening and a lead hole, and the packaging opening and the lead hole are communicated with the packaging cavity; the filtering module comprises a circuit board, a filtering assembly and an electric connecting wire, wherein the filtering assembly and the electric connecting wire are both arranged on the circuit board and are both arranged in the packaging cavity, and the electric connecting wire is electrically connected with the filtering assembly and extends out through the lead hole; the mounting structure is arranged at the packaging opening of the metal shell and is used for being fixed at the mounting position of the electronic equipment. The technical scheme of the utility model can improve the filtering effect.
Description
Technical Field
The present utility model relates to the field of filter technologies, and in particular, to a power filter and an electronic device.
Background
With the rapid development of modern science and technology, electronic, power electronic and electric equipment are increasingly widely applied, and electromagnetic signals with high density and wide frequency generated during operation of the electronic, power electronic and electric equipment fill the whole space to form a complex electromagnetic environment. Therefore, the power filter is generally arranged on the electronic device, and is a filtering circuit composed of a capacitor, an inductor and a resistor, and is a passive bidirectional network, one end of the power filter is a power supply, the other end of the power filter is a load, the larger the impedance adaptation between the input side and the output side of the power filter and between the power supply and the load side is, the more effective the attenuation of electromagnetic interference is, and the filter can effectively filter the frequency point of a specific frequency or the frequency outside the frequency point in the power line to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency. At present, some power supply filters are provided with electronic components which are arranged in a shell one by one, and the connected electronic components are connected through soldering, so that uneven wiring is caused, and the filtering effect is poor.
Disclosure of utility model
The utility model mainly aims to provide a power filter which aims to improve the filtering effect.
In order to achieve the above object, the present utility model provides a power filter, comprising:
The metal shell is provided with a packaging cavity, a packaging opening and a lead hole, and the packaging opening and the lead hole are communicated with the packaging cavity;
The filtering module comprises a circuit board, a filtering assembly and an electric connecting wire, wherein the filtering assembly and the electric connecting wire are both arranged on the circuit board and are both arranged in the packaging cavity, and the electric connecting wire is electrically connected with the filtering assembly and extends out through the lead hole; and
The mounting structure is arranged at the packaging opening of the metal shell and is used for being fixed at the mounting position of the electronic equipment.
Optionally, the lead hole is arranged on a side surface of the metal shell adjacent to the packaging opening.
Optionally, the metal casing is provided with the lead holes on two opposite sides of the packaging opening.
Optionally, the mounting structure includes a mounting plate, and the mounting plate covers the packaging opening.
Optionally, the mounting plate is provided with a mounting portion extending toward the side of the metal casing, and the mounting portion is used for being fixed at a mounting position of the electronic device.
Optionally, the mounting plate is provided with the mounting portion on opposite sides.
Optionally, the mounting portion is provided with a mounting hole.
Optionally, the mounting plate is a metal plate.
Optionally, the metal outer part
The utility model also provides electronic equipment, which comprises an equipment main body and the power filter, wherein the power filter is arranged on the equipment main body through an installation structure and is connected with a power circuit on the equipment main body.
According to the technical scheme, the filter module is formed by integrating the filter assembly into the circuit board, and then the filter module is integrally installed in the metal shell, so that the filter assembly is good in installation effect, smooth in wiring and beneficial to improving the filter effect. The metal shell can play a good electromagnetic shielding effect, so that the filtering effect of the power filter can be improved. Meanwhile, the lead holes are independently formed in the metal shell for the extension of the electric connecting wires of the filtering module, so that interference caused by the electric connecting wires to the installation of the power filter can be avoided when the electronic equipment is installed through the installation structure at the packaging opening, the installation is convenient, damage to the electric connecting wires in the installation process is avoided, and the good filtering effect of the power filter is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a power filter according to an embodiment of the present utility model;
FIG. 2 is an exploded view of the power filter of FIG. 1;
fig. 3 is a schematic view of the power filter of fig. 2 at another angle.
Reference numerals illustrate:
10. A metal housing; 11. a packaging cavity; 12. a packaging port; 13. a lead hole; 14. a mounting plate; 141. a mounting part; 142. a mounting hole; 20. a filtering module; 21. a circuit board; 22. a filtering component; 23. and an electrical connection line.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model 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 embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides a power filter.
In the embodiment of the present utility model, as shown in fig. 1 to 3, the power filter includes a metal housing 10, a filter module 20 and a mounting structure, the metal housing 10 is provided with a package cavity 11, a package opening 12 and a lead hole 13, and the package opening 12 and the lead hole 13 are both communicated with the package cavity 11; the filter module 20 comprises a circuit board 21, a filter assembly 22 and an electric connecting wire 23, wherein the filter assembly 22 and the electric connecting wire 23 are both arranged on the circuit board 21 and are both arranged in the packaging cavity 11, and the electric connecting wire 23 is electrically connected with the filter assembly 22 and extends out through the lead hole 13; the mounting structure is arranged at the packaging opening 12 of the metal shell 10 and is used for being fixed at the mounting position of the electronic equipment.
Specifically, the filter component 22 forms a filter circuit, and the filter component 22 may specifically include one or more of a capacitor, a common-mode inductor, a differential-mode inductor, and the like, which are used to form conventional electronic elements of the filter circuit, and may specifically be set according to actual needs, which will not be described in detail herein. The material of the metal housing 10 may be steel, aluminum alloy, nickel alloy, or the like.
In production, the filter assembly 22 may be first packaged on the circuit board 21, then the circuit board 21 is installed into the metal casing 10 from the packaging opening 12, so that the electrical connection wires 23 on the circuit board 21 extend out from the lead holes 13, and finally the circuit board 21 is packaged and fixed. When the power filter is used for electronic equipment, the power filter can be installed by fixing the power filter at a reserved installation position on the electronic equipment through the installation structure. Since the lead hole 13 is separately provided on the metal housing 10 for the extension of the electrical connection wire 23 of the filter module 20, interference of the electrical connection wire 23 to the installation of the power filter can be avoided.
According to the technical scheme, the filter module 20 is formed by integrating the filter assembly 22 on the circuit board 21, and then the filter module 20 is integrally installed in the metal shell 10, so that the filter assembly 22 is good in installation effect, smooth in wiring and beneficial to improving the filter effect. The metal shell 10 can play a good electromagnetic shielding effect, so that the filtering effect of the power filter can be improved. Meanwhile, the lead hole 13 is independently arranged on the metal shell 10 for the extension of the electric connection wire 23 of the filter module 20, so that interference caused by the electric connection wire 23 to the installation of the power filter can be avoided when the electronic equipment is installed through the installation structure at the packaging port 12, the installation is convenient, damage to the electric connection wire 23 in the installation process is avoided, and the good filtering effect of the power filter is ensured.
In some embodiments, the lead holes 13 are provided on the side of the metal housing 10 adjacent to the package opening 12. So make lead wire hole 13 be close to encapsulation mouth 12, be convenient for when installing filter module 20 with electric connection 23 follow lead wire hole 13 and wear out, can simplify the installation procedure, promote encapsulation efficiency.
In some embodiments, the metal casing 10 is provided with lead holes 13 on opposite sides of the package opening 12. Specifically, the opposite ends of the circuit board 21 are respectively provided with an electrical connection wire 23, i.e., an input end and an output end, the electrical connection wire 23 at one end of the circuit board 21 extends from the lead hole 13 at one side of the package opening 12, and the electrical connection wire 23 at the other end of the circuit board 21 extends from the lead hole 13 at the other side of the package opening 12. By the arrangement, the filter assembly 22 can be compactly arranged on the circuit board 21, so that the structural compactness of the filter module 20 can be improved, and the size of the power filter can be reduced. Of course, in other embodiments, the lead holes 13 may be provided on the same side or on adjacent sides of the metal case 10.
In some embodiments, the mounting structure includes a mounting plate 14, the mounting plate 14 covering the enclosure 12. By sealing the sealing port 12 through the mounting plate 14, the filter module 20 can be better sealed in the metal shell 10, and the filter module 20 can be better protected. Optionally, the mounting plate 14 is a metal plate, so that the filtering effect can be further improved by performing electromagnetic isolation through the mounting plate 14.
In some embodiments, the mounting plate 14 is provided with mounting portions 141 extending toward the sides of the metal housing 10, the mounting portions 141 for securing in a mounting position of the electronic device. That is, the mounting board 14 has a dimension larger than the size of the package opening 12 in at least one direction, so that the handling is facilitated when the mounting structure is mounted at the mounting position of the electronic apparatus, and the mounting process can be simplified.
In some embodiments, mounting plate 14 is provided with mounting portions 141 on opposite sides thereof. That is, the mounting portions 141 on opposite sides of the mounting plate 14 can be fixed to the mounting position of the electronic device, so that the mounting stability of the power filter can be improved.
In some embodiments, the mounting portion 141 is provided with mounting holes 142. That is, at the time of mounting, the mounting plate 14 can be fixed at the mounting position by screwing the screw to the mounting position of the electronic device through the mounting hole 142, so that the structure is simple and the mounting is facilitated.
In some embodiments, a potting adhesive is filled between the metal housing 10 and the filter module 20. This enables stable packaging of the filter module 20 within the metal housing 10.
The utility model also provides an electronic device, which comprises a device main body and a power filter, wherein the specific structure of the power filter refers to the embodiment, and because the electronic device adopts all the technical schemes of all the embodiments, the electronic device at least has all the beneficial effects brought by the technical schemes of the embodiments, and the details are not repeated here. The power filter is arranged on the equipment main body through the mounting structure and is connected with a power circuit on the equipment main body. Alternatively, the electronic device may be a computer, a server, a medical device, an automotive electronic device, an audio device, a video device, or the like.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (9)
1. A power filter, comprising:
The metal shell is provided with a packaging cavity, a packaging opening and a lead hole, and the packaging opening and the lead hole are communicated with the packaging cavity;
The filtering module comprises a circuit board, a filtering assembly and an electric connecting wire, wherein the filtering assembly and the electric connecting wire are both arranged on the circuit board and are both arranged in the packaging cavity, and the electric connecting wire is electrically connected with the filtering assembly and extends out through the lead hole; and
The mounting structure is arranged at the packaging opening of the metal shell and is used for being fixed at the mounting position of the electronic equipment.
2. The power filter of claim 1 wherein said lead holes are provided in a side of said metal housing adjacent said package opening.
3. The power filter of claim 2, wherein the metal housing is provided with the lead holes on opposite sides of the package opening.
4. The power filter of claim 1, wherein the mounting structure comprises a mounting plate that covers the package opening.
5. The power filter of claim 4, wherein the mounting plate is provided with a mounting portion protruding toward a side of the metal case, the mounting portion being for fixing in a mounting position of the electronic device.
6. The power filter of claim 5, wherein the mounting plate is provided with the mounting portions on opposite sides thereof.
7. The power filter according to claim 6, wherein the mounting portion is provided with a mounting hole; the mounting plate is a metal plate.
8. The power filter of any one of claims 1 to 7, wherein a potting adhesive is filled between the metal housing and the filter module.
9. An electronic device comprising a device body and a power filter according to any one of claims 1 to 8, wherein the power filter is mounted to the device body by a mounting structure and is connected to a power circuit on the device body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323060726.8U CN221058596U (en) | 2023-11-13 | 2023-11-13 | Power filter and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323060726.8U CN221058596U (en) | 2023-11-13 | 2023-11-13 | Power filter and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221058596U true CN221058596U (en) | 2024-05-31 |
Family
ID=91205505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323060726.8U Active CN221058596U (en) | 2023-11-13 | 2023-11-13 | Power filter and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221058596U (en) |
-
2023
- 2023-11-13 CN CN202323060726.8U patent/CN221058596U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |