CN219123075U - A open-type magnetic ring fixing device for PCB installation - Google Patents
A open-type magnetic ring fixing device for PCB installation Download PDFInfo
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- CN219123075U CN219123075U CN202221416315.0U CN202221416315U CN219123075U CN 219123075 U CN219123075 U CN 219123075U CN 202221416315 U CN202221416315 U CN 202221416315U CN 219123075 U CN219123075 U CN 219123075U
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- shielding box
- pcb
- arc
- magnetic core
- shaped framework
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Abstract
The open-type magnetic ring fixing device for PCB installation comprises a circular magnetic core, wherein an insulating protection layer is arranged on the surface of the circular magnetic core, the circular magnetic core is placed in a metal shielding box, the metal shielding box is formed by combining an upper shielding box and a lower shielding box, and notches for wires to pass through are formed in the side walls of the upper shielding box and the lower shielding box; the metal shielding box is characterized by further comprising an arc-shaped framework for hooping the metal shielding box, a connecting part is fixedly arranged on the outer side of the arc-shaped framework, and pins for connecting a winding wire and a PCB are inserted into the connecting part. The utility model provides an open type magnetic ring fixing device for PCB installation, which can firmly and reliably connect a magnetic core to a PCB, is convenient to assemble and can protect the magnetic core and a coil. The device is more suitable for the vertical installation of the PCB, and the arc-shaped framework is vertically arranged, so that the metal shielding cover can be well supported; the device can also be used when the PCB is in a horizontal state.
Description
Technical Field
The utility model relates to the technical field of current detection, in particular to an open type magnetic ring fixing device for PCB installation.
Background
When the fluxgate current detection device is designed, in order to reduce the volume of the device, save the space and be beneficial to the integrity of the device, a round magnetic core can be directly fixed on a PCB, and a coil on the magnetic core is directly connected to a detection circuit on the PCB after being wound, but the device for connecting the magnetic core and the PCB is lacking at present.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an open type magnetic ring fixing device for PCB installation, which can firmly and conveniently connect a magnetic core to a PCB circuit board.
In order to solve the technical problems, the utility model adopts the following technical scheme: the open-type magnetic ring fixing device for PCB installation comprises a circular magnetic core, wherein an insulating protection layer is arranged on the surface of the circular magnetic core, the circular magnetic core is placed in a metal shielding box, the metal shielding box is formed by combining an upper shielding box and a lower shielding box, and notches for wires to pass through are formed in the side walls of the upper shielding box and the lower shielding box;
the metal shielding box is characterized by further comprising an arc-shaped framework for hooping the metal shielding box, a connecting part is fixedly arranged on the outer side of the arc-shaped framework, and pins for connecting a winding wire and a PCB are inserted into the connecting part.
Preferably, a boss is arranged at the joint of the upper shielding box and the lower shielding box, and a clamping groove for clamping the boss is arranged on the arc-shaped framework.
Preferably, two reinforcing ribs are symmetrically arranged on the outer side of the arc-shaped framework, and the connecting part is fixedly connected to the reinforcing ribs and the arc-shaped framework.
Preferably, a groove for the wire to pass through is formed in the inner side of the arc-shaped framework.
The utility model provides an open type magnetic ring fixing device for PCB installation, which can firmly and reliably connect a magnetic core to a PCB, is convenient to assemble and can protect the magnetic core and a coil. The device is more suitable for the vertical installation of the PCB, and the arc-shaped framework is vertically arranged, so that the metal shielding cover can be well supported; the device can also be used when the PCB is in a horizontal state.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 3 is a schematic view of the structure of the arc framework of the present utility model;
fig. 4 is a schematic view of the structure of the bottom part of the present utility model.
Detailed Description
As shown in fig. 1-2, an open magnetic ring fixing device for PCB installation comprises a circular magnetic core 1, wherein an insulating protection layer 2 is arranged on the surface of the circular magnetic core 1, the circular magnetic core 1 is placed in a metal shielding box, the metal shielding box is formed by combining an upper shielding box 3 and a lower shielding box 4, and notches 5 for wires to pass through are arranged on the side walls of the upper shielding box 3 and the lower shielding box 4; the insulating protection layer plays a role in protecting the magnetic core, the shielding box plays a role in protecting winding and shielding, and the upper shielding box 3 and the lower shielding box 4 can be connected in an adhesive or welding mode.
The metal shielding box is characterized by further comprising an arc-shaped framework 6 used for hooping the metal shielding box, a connecting part 7 is fixedly arranged on the outer side of the arc-shaped framework 6, and pins 8 used for connecting a winding wire and a PCB are inserted into the connecting part 7. The wire winding is connected with the pin, and the pin is connected with the PCB circuit board again.
Preferably, a boss 9 is arranged at the joint of the upper shielding box 3 and the lower shielding box 4, and a clamping groove 10 for clamping the boss 9 is arranged on the arc-shaped framework 6.
Preferably, two reinforcing ribs 11 are symmetrically arranged on the outer side of the arc-shaped framework 6, and the connecting part 7 is fixedly connected to the reinforcing ribs 11 and the arc-shaped framework 6. The strength of the device is increased.
Preferably, as shown in fig. 3, a groove 12 for the wire to pass through is provided on the inner side of the arc-shaped skeleton 6.
When the device is used, after the device is assembled, as shown in fig. 4, the lower ends of the pins 8 are welded on the PCB by soldering, so that the device is fixed on the PCB.
The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (4)
1. An open-type magnetic ring fixing device for PCB installation, which comprises a circular ring-shaped magnetic core (1), and is characterized in that: an insulating protection layer (2) is arranged on the surface of the circular magnetic core (1), the circular magnetic core (1) is placed in a metal shielding box, the metal shielding box is formed by combining an upper shielding box (3) and a lower shielding box (4), and notches (5) for wires to pass through are arranged on the side walls of the upper shielding box (3) and the lower shielding box (4);
the metal shielding box is characterized by further comprising an arc-shaped framework (6) for hooping the metal shielding box, a connecting part (7) is fixedly arranged on the outer side of the arc-shaped framework (6), and pins (8) for connecting a winding wire and a PCB (printed circuit board) are inserted into the connecting part (7).
2. An open magnetic ring fixture for PCB installation as recited in claim 1, wherein: the connection part of the upper shielding box (3) and the lower shielding box (4) is provided with a boss (9), and the arc-shaped framework (6) is provided with a clamping groove (10) for clamping the boss (9).
3. An open magnetic ring fixture for PCB installation as recited in claim 1, wherein: two reinforcing ribs (11) are symmetrically arranged on the outer side of the arc-shaped framework (6), and the connecting part (7) is fixedly connected to the reinforcing ribs (11) and the arc-shaped framework (6).
4. An open magnetic ring fixture for PCB installation as recited in claim 1, wherein: the inner side of the arc-shaped framework (6) is provided with a groove (12) for the winding wire to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221416315.0U CN219123075U (en) | 2022-06-08 | 2022-06-08 | A open-type magnetic ring fixing device for PCB installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221416315.0U CN219123075U (en) | 2022-06-08 | 2022-06-08 | A open-type magnetic ring fixing device for PCB installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219123075U true CN219123075U (en) | 2023-06-02 |
Family
ID=86522160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221416315.0U Active CN219123075U (en) | 2022-06-08 | 2022-06-08 | A open-type magnetic ring fixing device for PCB installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219123075U (en) |
-
2022
- 2022-06-08 CN CN202221416315.0U patent/CN219123075U/en active Active
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