CN213068997U - Novel current sensor magnetic core - Google Patents
Novel current sensor magnetic core Download PDFInfo
- Publication number
- CN213068997U CN213068997U CN202022113060.8U CN202022113060U CN213068997U CN 213068997 U CN213068997 U CN 213068997U CN 202022113060 U CN202022113060 U CN 202022113060U CN 213068997 U CN213068997 U CN 213068997U
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- current sensor
- magnet
- connecting piece
- novel current
- 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
Images
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The utility model discloses a novel current sensor magnetic core, it relates to an electronic component, its main part sets up to the magnetic core, the magnetic core sets up to a plurality of sections branch magnet amalgamation and forms, a plurality of sections divide the magnet amalgamation to form the ring form magnetic core, be provided with the connecting piece between the adjacent branch magnet, the connecting piece has not only made things convenient for the connection of branch magnet, still can ensure the uniformity that the magnet is connected, in addition, the connecting piece includes the connection piece, the connection piece is provided with two, two connection pieces are connected respectively on adjacent branch magnet, it is articulated each other between two connection pieces, its contained angle of the adjustable of articulated connection piece each other, make its magnetic core that is applicable.
Description
Technical Field
The utility model relates to an electronic component, in particular to novel current sensor magnetic core.
Background
The current sensor is an electronic component with wide application, and is widely applied to various current transformation technologies, alternating current numerical control devices and the automatic control field taking current as a control object.
The current sensor generally has an open-loop structure and a closed-loop structure, and the closed-loop current sensor generally consists of a coil magnetic core assembly, a circuit on a circuit printed board and a mounting and fixing shell. The coil magnetic core assembly comprises a magnetic core, a coil and a plastic sheath. The existing structure is that a soft magnetic thin strip is wound into a ring, an air gap is formed on a magnetic core, a plastic sheath is sleeved on the magnetic core, and a coil is wound on the plastic sheath to form a coil magnetic core assembly. Aligning the air gap of the magnetic core with the magneto-sensitive element connected with the circuit printed board, inserting the magneto-sensitive element into the air gap, and directly mounting or fixing the assembly on the circuit printed board by using glue. This structure has the following problems: when the magnetic core was seted up more than one air gap, the magnetic core can't ensure the magnetic core wholeness after the amalgamation at the amalgamation in-process, and the magnetic core takes place the dislocation easily when the amalgamation promptly, can't guarantee the installation uniformity to sensor performance has been influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a novel current sensor magnetic core has made things convenient for the assembling process of current sensor magnetic core, when guaranteeing the assembly precision, still can improve assembly efficiency.
In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a novel current sensor magnetic core, its main part sets up to the magnetic core, the magnetic core sets up to a plurality of sections branch magnet amalgamation and constitutes, divide the magnet amalgamation to constitute ring shape magnetic core, be provided with the connecting piece between the adjacent branch magnet, the connecting piece includes the connection piece, the connection piece is provided with two, two connection pieces are connected respectively on adjacent branch magnet, it is articulated each other between two connection pieces.
Through adopting above-mentioned technical scheme, set up the magnetic core into the structural style who divides the magnet amalgamation by a plurality of sections arc, and adjacent branch connects through the connecting piece between the magnet, the connecting piece has not only made things convenient for the connection between the branch magnet, still can ensure the uniformity that divides the magnet to connect, in addition, the connecting piece sets up to two mutual articulated connection pieces, with dividing the magnet and being connected, the regulation of its angle can be realized to articulated connection piece, and then make its applicable magnetic core in different diameters connect, increase its application scope, and can improve its rate of reuse.
Preferably, bosses are arranged on two sides of the connecting piece and are tightly attached to the upper end face and the lower end face of the sub-magnet.
Through adopting above-mentioned technical scheme, utilize the boss to realize with the fixed effect of joint of magnetic core, and do not influence the air gap between the branch magnet.
Preferably, a fixing groove is arranged below the connecting piece.
By adopting the technical scheme, the fixing groove is used for placing the magnetic sensing element, so that the positioning and fixing effects on the magnetic sensing element are realized.
Preferably, the surface of the magnetic core is provided with a graphite conducting layer.
By adopting the technical scheme, the conductive efficiency of the magnetic core can be improved by utilizing the graphite conductive layer, so that the working efficiency is improved.
Preferably, a graphite oxidation resistant coating layer is coated outside the graphite conducting layer.
Through adopting above-mentioned technical scheme, the life of magnetic core can be improved in the setting of the anti-oxidant dope layer of graphite.
Preferably, the surface of the magnetic core is provided with a heat dissipation hole.
Through adopting above-mentioned technical scheme, when the electric current was too big, the magnetic core can produce the heat, through the louvre, can accelerate thermal scattering and disappearing, is favorable to thermal in time to be discharged.
Preferably, the edges of the upper end face and the lower end face of the magnetic core are provided with round corners.
Through adopting above-mentioned technical scheme, the fillet not only can avoid producing wearing and tearing to the coil of outer winding, still can reduce the material of magnetic core to reduction in production cost.
Preferably, an elastic member is connected to the boss.
Through adopting above-mentioned technical scheme, the boss can realize the regulation of interval between two bosss under the effect of elastic component, therefore, can make the connection piece be applicable to the connection to the magnetic core of different width, further improve the application scope of this connecting piece.
Compared with the prior art, the utility model has the advantages of: (1) the connecting piece is arranged between the adjacent sub-magnets, so that the process of splicing the sub-magnets into the magnetic cores is facilitated, the consistency after splicing can be ensured, the connecting piece is provided with two hinged connecting pieces which are connected with the sub-magnets, and the angles of the hinged connecting pieces can be adjusted, so that the magnetic cores with different diameters can be fixed, and the application range of the connecting piece is enlarged; (2) the fixing groove arranged below the connecting piece can be used for fixing the magnetic sensing element, so that the structure is simple; (3) the fillets are added to the edges of the upper end face and the lower end face of the magnetic core, so that the phenomenon that the subsequent detection process is influenced by the extrusion and abrasion of the edges of the magnetic core to the coil can be avoided.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a sectional view of embodiment 1;
fig. 3 is a schematic structural view of a connector in embodiment 1.
In the figure: 1-a magnetic core; 110-minute magnet; 2-a connector; 210-a connecting piece; 3-boss; 4, fixing the groove; 5-a graphite conductive layer; 6-graphite antioxidant coating layer; 7-round corner; 8-elastic member.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Example 1
As shown in fig. 1, a main body of the novel current sensor magnetic core is set as a magnetic core 1, the magnetic core 1 is set to be in a circular ring shape, the magnetic core 1 includes a plurality of segments of sub-magnets 110, and the plurality of segments of arc sub-magnets 110 are spliced to form a complete circular ring-shaped magnetic core 1.
In the embodiment, a structure that two segments of sub-magnets 110 are spliced to form the magnetic core 1 is taken as an example for description, the connecting member 2 is arranged between the two sub-magnets 110, the connecting member 2 realizes the connection of the two sub-magnets 110, and under the action of the connecting member 2, the splicing integrity of the magnetic core 1 can be ensured, and the probability of dislocation of the sub-magnets 110 in the splicing process is reduced.
Further, the connecting piece 2 includes connecting piece 210, the connecting piece 210 is provided with two, it is articulated each other between two connecting pieces 210, two connecting pieces 210 are connected respectively on two adjacent minute magnet 110, as shown in fig. 1, the connecting piece 210 laminates on the interior anchor plane of magnetic core 1, thereby avoid setting up of connecting piece 210 to influence the effect of air gap on the magnetic core 1, articulated connecting piece 210 each other, its angle between them is adjustable, and then applicable in the magnetic core 1 of different diameters connects, make the application scope of connecting piece 2 increase, also can improve its rate of repeated use.
The connecting piece 210 is provided with the boss 3 on both sides, and on the upper and lower both ends face of branch magnet 110 was hugged closely to the boss 3, as shown in fig. 1, connecting piece 210 under the effect of boss 3, the joint on dividing magnet 110 to realize two amalgamation connections of dividing magnet 110, operating personnel only need with boss 3 joint on dividing magnet 110 upper and lower both ends face can, the operation process is more convenient, swift.
The two bosses 3 are respectively abutted against the upper end face and the lower end face of the sub-magnet 110, the bosses 3 are connected with the elastic members 8, as shown in fig. 3, the elastic members 8 are arranged in the connecting sheet 210, two ends of each elastic member 8 are respectively connected with the two bosses 3, the bosses 3 realize the adjustment of the distance between the bosses 3 and the connecting sheet under the action of the elastic members 8, the bosses 3 capable of realizing the distance adjustment can be abutted against the surfaces of the magnetic cores 1 with different widths, and the application range of the connecting sheet 2 can be further improved; in addition, the two bosses 2 can be tightly pressed against the sub-magnets 110 under the action of the elastic element 8, so that the connection strength between the connecting piece 210 and the sub-magnets 110 is improved. This elastic member 8 is preferably, but not limited to, a spring.
A fixing groove 4 is formed below the connecting piece 2, and the magnetic sensing element can be placed in the fixing groove 4, so that the magnetic sensing element can be positioned and fixed.
In the present embodiment, the graphite conductive layer 5 is disposed on the surface of the magnetic core 1, and as shown in fig. 2, the arrangement of the graphite conductive layer 5 can improve the conductive efficiency of the magnetic core 1, thereby improving the working efficiency.
Further, the graphite conducting layer 5 is coated with a graphite oxidation resistant coating layer 6, as shown in fig. 2, so as to improve the service life of the magnetic core 1.
The radiating holes are formed in the surface of the magnetic core 1 and are evenly formed in the surface of the magnetic core 1, when the current is too large, the magnetic core 1 can generate heat, the radiating area can be increased through the radiating holes, the dissipation speed of the heat inside the magnetic core 1 is accelerated, and the heat can be timely discharged.
The magnetic core 1 is provided with fillets 7 at the edges of the upper and lower end faces, as shown in fig. 2, the fillets 7 can avoid abrasion to an externally wound coil, and can reduce machining materials of the magnetic core 1, so that production cost is reduced.
Although the preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel current sensor magnetic core, its characterized in that, its main part sets up to magnetic core (1), magnetic core (1) sets up to a plurality of sections branch magnet (110) amalgamation and constitutes, divide magnet (110) amalgamation to constitute ring shape magnetic core (1), be provided with connecting piece (2) between adjacent branch magnet (110), connecting piece (2) are including connection piece (210), connection piece (210) are provided with two, two connection pieces (210) are connected respectively on adjacent branch magnet (110), articulated each other between two connection pieces (210).
2. The novel current sensor magnetic core according to claim 1, wherein bosses (3) are arranged on two sides of the connecting piece (210), and the bosses (3) are tightly attached to the upper end face and the lower end face of the shunt magnet (110).
3. A novel current sensor core according to claim 1, characterised in that a fixation groove (4) is provided below the connection piece (2).
4. The new current sensor core according to claim 1, characterized in that the core (1) surface is provided with a graphite conducting layer (5).
5. A novel current sensor core according to claim 4, characterised in that said graphite conducting layer (5) is overcoated with a graphite oxidation resistant paint layer (6).
6. The novel current sensor magnetic core according to claim 1, wherein the surface of the magnetic core (1) is provided with heat dissipation holes.
7. The novel current sensor magnetic core according to claim 1, wherein the edges of the upper and lower end faces of the magnetic core (1) are provided with fillets (7).
8. A novel current sensor core according to claim 2, characterised in that an elastic member (8) is attached to the boss (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022113060.8U CN213068997U (en) | 2020-09-23 | 2020-09-23 | Novel current sensor magnetic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022113060.8U CN213068997U (en) | 2020-09-23 | 2020-09-23 | Novel current sensor magnetic core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213068997U true CN213068997U (en) | 2021-04-27 |
Family
ID=75560175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022113060.8U Active CN213068997U (en) | 2020-09-23 | 2020-09-23 | Novel current sensor magnetic core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213068997U (en) |
-
2020
- 2020-09-23 CN CN202022113060.8U patent/CN213068997U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11528058B2 (en) | Inductive charging coil configuration for wearable electronic devices | |
| US5244708A (en) | Electromagnetic wave shielding interior material | |
| US11264163B2 (en) | Method of manufacturing winding-type coil component | |
| CN109268718A (en) | LED soft light rope and preparation method thereof | |
| CN213068997U (en) | Novel current sensor magnetic core | |
| CN103177850A (en) | Choke | |
| CN203608454U (en) | Large-size butt joint production flexible printed circuit board | |
| US20180366266A1 (en) | Magnetically Shielded Power Inductor And Production Method | |
| CN203706827U (en) | Novel inductor | |
| KR102126629B1 (en) | Punching process for manufacture of wireless charging coils and manufacture method for wireless charging coils | |
| CN103687330A (en) | Large butt-jointed flexible printed circuit board manufacturing method | |
| CN212786484U (en) | Shielding magnet module | |
| CN113422117A (en) | Wireless rechargeable battery | |
| CN207651309U (en) | A kind of low energy consumption solid transformer iron core | |
| CN211530814U (en) | Wireless charger magnetic-isolation sheet | |
| CN203631269U (en) | Improved EI iron core transformer | |
| CN220127876U (en) | Pole piece die cutting device | |
| CN221427542U (en) | Winding tool for planar transformer coil | |
| CN217787214U (en) | Coil magnetic core assembly for current sensor | |
| EP3644357A1 (en) | Surface-mounted element | |
| CN211687730U (en) | Electronic product cable finishing device | |
| CN206948471U (en) | Camera module and electronic equipment | |
| CN211361426U (en) | Claw-pole distance uniformity positioning tool | |
| CN216626244U (en) | Carrier for improving limit of selective welding process | |
| CN110676041B (en) | Assembling method of wireless charging receiving coil module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |