CN219810989U - Magnet ring assembly anti-rotation structure - Google Patents
Magnet ring assembly anti-rotation structure Download PDFInfo
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- CN219810989U CN219810989U CN202321016669.0U CN202321016669U CN219810989U CN 219810989 U CN219810989 U CN 219810989U CN 202321016669 U CN202321016669 U CN 202321016669U CN 219810989 U CN219810989 U CN 219810989U
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- rotation structure
- assembly anti
- ring assembly
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- 238000009434 installation Methods 0.000 claims description 10
- 210000005056 cell body Anatomy 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- KKQWHYGECTYFIA-UHFFFAOYSA-N 2,5-dichlorobiphenyl Chemical compound ClC1=CC=C(Cl)C(C=2C=CC=CC=2)=C1 KKQWHYGECTYFIA-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 101100387915 Caenorhabditis elegans dop-4 gene Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a magnetic ring assembly anti-rotation structure, which comprises: the device comprises a device body, a magnetic ring and a connecting piece, wherein an accommodating space is formed in the device body, the magnetic ring is installed in the accommodating space, the connecting piece is installed on the magnetic ring, a clamping head is formed on the connecting piece, a clamping groove structure is formed in the accommodating space, and the clamping head is clamped with the clamping groove structure. Through the application of the utility model, the assembly anti-rotation structure suitable for the magnetic ring in the current sensor is provided, the poor rotation of the magnetic ring in the sensor is effectively prevented, the relative consistency of the air gap of the magnetic ring and the position of the Hall device is ensured, and the stability of the whole internal structure is further enhanced; the utility model has simple structure and is convenient to install and disassemble.
Description
Technical Field
The utility model relates to the technical field of current sensors, in particular to a magnetic ring assembly anti-rotation structure.
Background
Along with the continuous development and progress of the power supply technology, in order to realize automatic detection and display of current, a current sensor is more commonly adopted to convert detected current information into corresponding standard signals according to a certain rule and output the corresponding standard signals, so that the requirements of transmission, processing, storage, display, recording, control and the like of the current information are met. The current sensor generally realizes signal conversion through a Hall device inside the current sensor, the Hall device is a magneto-electric conversion device made of semiconductor materials, the current sensor comprises an open loop type and a closed loop type, wherein the open loop current sensor gathers a magnetic field generated by current in a corresponding magnetic loop, and the magnetic field is measured and amplified through a Hall element in an air gap of the magnetic loop, so that current information is accurately reflected.
However, at present, more magnetic rings are directly installed in the shell of the current sensor, and the magnetic rings are prone to poor rotation in the annular direction, so that the positions between the air gap and the Hall element are changed, and the accuracy of the obtained current information is further affected.
Disclosure of Invention
In view of the above, the present utility model provides a magnetic ring assembly anti-rotation structure, comprising: the device comprises a device body, a magnetic ring and a connecting piece, wherein an accommodating space is formed in the device body, the magnetic ring is installed in the accommodating space, the connecting piece is installed on the magnetic ring, a clamping head is formed on the connecting piece, a clamping groove structure is formed in the accommodating space, and the clamping head is clamped with the clamping groove structure.
In another preferred embodiment, the magnetic ring has two ends, an air gap is formed between the two ends, and two ends of the connecting piece are respectively connected with the two ends.
In another preferred embodiment, the chuck is disposed to extend outwardly relative to the magnetic ring.
In another preferred embodiment, the accommodating space includes: the installation space is communicated with the annular space, and the magnetic ring is installed in the annular space.
In another preferred embodiment, further comprising: the PCB is installed in the installation space, the Hall device is connected with the PCB, and the Hall device is arranged at the air gap.
In another preferred embodiment, the annular space has at least an inner annular wall and an outer annular wall, the magnetic ring is mounted between the inner annular wall and the outer annular wall, and the slot structure is formed in the outer annular wall.
In another preferred embodiment, the card slot structure includes: the first bulge and the second bulge, first bulge with the second bulge all set up in on the outer rampart, first bulge with the second bulge all orientation the protrusion of inner rampart sets up, be formed with a cell body between first bulge and the second bulge, the dop set up in the cell body.
In another preferred embodiment, an insertion opening is formed between the upper end of the first projection and the upper end of the second projection.
In another preferred embodiment, further comprising: the support pieces are sequentially arranged along the annular direction of the annular space, and the upper end of each support piece is supported on the lower surface of the magnetic ring.
In another preferred embodiment, one end of each of the supporting members is connected to the inner annular wall, and the other end of each of the supporting members is connected to the outer annular wall.
By adopting the technical scheme, the utility model has the positive effects compared with the prior art that: through the application of the utility model, the assembly anti-rotation structure suitable for the magnetic ring in the current sensor is provided, the poor rotation of the magnetic ring in the sensor is effectively prevented, the relative consistency of the air gap of the magnetic ring and the position of the Hall device is ensured, and the stability of the whole internal structure is further enhanced; the utility model has simple structure and is convenient to install and disassemble.
Drawings
FIG. 1 is a schematic diagram illustrating an installation of a magnetic ring assembly anti-rotation structure according to the present utility model;
FIG. 2 is a schematic view of a device body with an anti-rotation structure for assembling a magnetic ring according to the present utility model;
fig. 3 is a schematic view of a magnetic ring assembly anti-rotation structure according to the present utility model.
In the accompanying drawings:
1. a device body; 2. a magnetic ring; 3. a connecting piece; 4. a chuck; 5. a clamping groove structure; 6. an air gap; 7. an installation space; 8. an annular space; 9. a PCB board; 10. an inner annular wall; 11. an outer annular wall; 12. a first projection; 13. a second projection; 14. and a support.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 to 3, a magnetic ring assembly anti-rotation structure according to a preferred embodiment is shown, and includes: the device comprises a device body 1, a magnetic ring 2 and a connecting piece 3, wherein an accommodating space is formed in the device body 1, the magnetic ring 2 is arranged in the accommodating space, the connecting piece 3 is arranged on the magnetic ring 2, a clamping head 4 is formed on the connecting piece 3, a clamping groove structure 5 is formed in the accommodating space, and the clamping head 4 is clamped with the clamping groove structure 5. Further, when the magnetic ring 2 is installed in the accommodating space, the clamping head 4 is matched with the clamping groove structure 5 in a clamping and abutting mode, at least the limit is formed in the direction that the magnetic ring 2 rotates around the axis of the clamping head, and therefore the position of the magnetic ring 2 is relatively fixed in the device body 1 and cannot rotate accidentally.
Further, as a preferred embodiment, the magnetic ring 2 has two ends, and an air gap 6 is formed between the two ends, and two ends of the connecting piece 3 are respectively connected with the two ends. In other words, the magnetic ring 2 has an open ring structure, and the opening of the open ring structure is the air gap 6.
Further, as a preferred embodiment, the connecting member 3 is provided in a sheet-like structure extending in a horizontal direction, and the connecting member 3 is preferably a metal member.
Further, as a preferred embodiment, the connector 3 includes: the first part, the second part and the third part that connect gradually, the second part is upwards arched and is set up for first part and third part, and first part and second part respectively with the both ends fixed connection of magnetic ring 2, the below of second part just sets up air gap 6.
Further, as a preferred embodiment, the chuck 4 is disposed to extend outwardly relative to the magnetic ring 2. Further, the extending direction of the chuck 4 is preferably arranged to be convex radially outwards with respect to the magnet ring 2.
Further, as a preferred embodiment, the chuck 4 is connected to a side of the third portion of the connecting member 3 remote from the axis of the magnetic ring 2.
Further, as a preferred embodiment, the chuck 4 and the connecting member 3 are provided as a unitary structure.
Further, as a preferred embodiment, the accommodating space includes: the installation space 7 and the annular space 8 are communicated, and the magnetic ring 2 is installed in the annular space 8.
Further, as a preferred embodiment, the method further comprises: the PCB 9 and the hall device, the PCB 9 is installed in the installation space 7, the hall device is connected with the PCB 9, and the hall device is arranged at the air gap 6.
Further, as a preferred embodiment, the hall device is arranged below the second portion of the connecting member 3.
Further, as a preferred embodiment, the annular space 8 has at least an inner annular wall 10 and an outer annular wall 11, the magnetic ring 2 is mounted between the inner annular wall 10 and the outer annular wall 11, and the slot structure 5 is formed on the outer annular wall 11. Further, the inner annular wall 10 has a complete annular shape, and a portion of the outer annular wall 11 is communicated with the installation space 7, and the hall device is disposed through the portion of the outer annular wall 11.
Further, as a preferred embodiment, the outer annular wall 11 is located outside the inner annular wall 10, i.e. the inner diameter of the outer annular wall 11 is larger than the outer diameter of the inner annular wall 10; in other words, the annular space 8 is formed between the inner annular wall 10 and the outer annular wall 11.
Further, as a preferred embodiment, the card slot structure 5 includes: the first bulge 12 and the second bulge 13, first bulge 12 and second bulge 13 all set up on outer rampart 11, and first bulge 12 and second bulge 13 all set up towards interior rampart 10 protrusion, are formed with a cell body between first bulge 12 and the second bulge 13, and dop 4 sets up in the cell body. Further, the stoppers are formed in both the front and rear directions at the tangent line of the outer side of the magnet ring 2 by the obstruction of the first projection 12 and the second projection 13 to prevent the rotation of the magnet ring 2.
Further, as a preferred embodiment, the first protruding portion 12 and the second protruding portion 13 are each provided in a bar-shaped structure provided in the vertical direction, and the first protruding portion 12 and the second protruding portion 13 are provided in order along the circumferential direction of the outer annular wall 11.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the embodiments and the protection scope of the present utility model.
The present utility model has the following embodiments based on the above description:
in a further embodiment of the present utility model, an insertion opening is formed between the upper end of the first projection 12 and the upper end of the second projection 13. Further, the connection member 3 is previously mounted on the magnetic ring 2, which also makes the overall shape of the magnetic ring 2 with the air gap 6 previously stable, and the magnetic ring 2 with the connection member 3 can be mounted in the annular space 8 from top to bottom, and the chuck 4 of the connection member 3 can be inserted into the groove from the above-mentioned insertion opening from top to bottom.
In a further embodiment of the utility model, the device body 1 preferably comprises at least: an upper housing part and a lower housing part, the upper housing part being detachably mounted to an upper end of the lower housing part so that an upper portion of the annular space 8 can be exposed, thereby facilitating the installation of the magnetic ring 2.
In a further embodiment of the present utility model, further comprising: the supporting pieces 14 are sequentially arranged along the annular direction of the annular space 8, and the upper end of each supporting piece 14 is supported on the lower surface of the magnetic ring 2.
In a further embodiment of the utility model, one end of each support 14 is connected to the inner annular wall 10 and the other end of each support 14 is connected to the outer annular wall 11.
In a further embodiment of the utility model, the lower end of the support 14 is connected to the bottom surface of the annular space 8.
In a further embodiment of the utility model, a limit notch is formed in the middle of the upper side of the support 14, and the limit notch is matched with the lower edge of the radial section of the magnetic ring 2.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (10)
1. The utility model provides a magnetic ring assembly anti-rotation structure which characterized in that includes: the device comprises a device body, a magnetic ring and a connecting piece, wherein an accommodating space is formed in the device body, the magnetic ring is installed in the accommodating space, the connecting piece is installed on the magnetic ring, a clamping head is formed on the connecting piece, a clamping groove structure is formed in the accommodating space, and the clamping head is clamped with the clamping groove structure.
2. The magnetic ring assembly anti-rotation structure according to claim 1, wherein the magnetic ring has two ends, an air gap is formed between the two ends, and two ends of the connecting piece are respectively connected with the two ends.
3. The magnetic ring assembly anti-rotation structure of claim 1, wherein the clip is disposed to extend outwardly relative to the magnetic ring.
4. The magnetic ring assembly anti-rotation structure as recited in claim 2, wherein the receiving space comprises: the installation space is communicated with the annular space, and the magnetic ring is installed in the annular space.
5. The magnetic ring assembly anti-rotation structure as defined in claim 4, further comprising: the PCB is installed in the installation space, the Hall device is connected with the PCB, and the Hall device is arranged at the air gap.
6. The magnetic ring assembly anti-rotation structure as recited in claim 4, wherein the annular space has at least an inner annular wall and an outer annular wall, the magnetic ring being mounted between the inner annular wall and the outer annular wall, the detent structure being formed on the outer annular wall.
7. The magnetic ring assembly anti-rotation structure as recited in claim 6, wherein the clamping groove structure comprises: the first bulge and the second bulge, first bulge with the second bulge all set up in on the outer rampart, first bulge with the second bulge all orientation the protrusion of inner rampart sets up, be formed with a cell body between first bulge and the second bulge, the dop set up in the cell body.
8. The magnetic ring assembly anti-rotation structure as recited in claim 6, wherein an insertion opening is formed between an upper end of the first protrusion and an upper end of the second protrusion.
9. The magnetic ring assembly anti-rotation structure as recited in claim 6, further comprising: the support pieces are sequentially arranged along the annular direction of the annular space, and the upper end of each support piece is supported on the lower surface of the magnetic ring.
10. The magnetic ring assembly anti-rotation structure as recited in claim 9, wherein one end of each of said support members is connected to said inner annular wall and the other end of each of said support members is connected to said outer annular wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321016669.0U CN219810989U (en) | 2023-04-28 | 2023-04-28 | Magnet ring assembly anti-rotation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321016669.0U CN219810989U (en) | 2023-04-28 | 2023-04-28 | Magnet ring assembly anti-rotation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219810989U true CN219810989U (en) | 2023-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321016669.0U Active CN219810989U (en) | 2023-04-28 | 2023-04-28 | Magnet ring assembly anti-rotation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219810989U (en) |
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2023
- 2023-04-28 CN CN202321016669.0U patent/CN219810989U/en active Active
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