CN219497494U - Three-phase flat wire shielding inductor - Google Patents
Three-phase flat wire shielding inductor Download PDFInfo
- Publication number
- CN219497494U CN219497494U CN202320257176.XU CN202320257176U CN219497494U CN 219497494 U CN219497494 U CN 219497494U CN 202320257176 U CN202320257176 U CN 202320257176U CN 219497494 U CN219497494 U CN 219497494U
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- annular magnetic
- flat wire
- seat plate
- phase flat
- 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
Landscapes
- Regulation Of General Use Transformers (AREA)
Abstract
The utility model provides a three-phase flat wire shielding inductor which comprises an annular magnetic core, a seat plate, a silicon steel shielding cover and three coil windings, wherein the three coil windings are respectively wound on the annular wall of the annular magnetic core, two ends of each coil winding respectively penetrate through the seat plate and extend out of the seat plate far away from the annular magnetic core, wires of the coil windings are flat wires, the silicon steel shielding cover is covered on the seat plate and forms a containing cavity with the seat plate, the annular magnetic core and the coil windings are positioned in the containing cavity, the seat plate is penetrated and provided with radiating holes corresponding to annular holes of the annular magnetic core, a plurality of coils of the coil windings are distributed at equal intervals in the circumferential direction of the annular magnetic core, gaps are reserved between two adjacent coils in the circumferential direction of the annular magnetic core, and pouring sealant is filled and sealed in the containing cavity. The three-phase flat wire shielding inductor has the advantages of strong anti-interference capability, good heat dissipation effect, good shock resistance, stable and reliable work, high current, automatic high-efficiency winding, good product consistency, production time saving and higher production efficiency.
Description
Technical Field
The utility model relates to the technical field of inductors, in particular to a three-phase flat wire shielding inductor.
Background
The inductor plays roles of filtering, anti-interference and the like in circuit control, and is an indispensable component in circuit control.
The existing three-phase inductor comprises an annular magnetic core, three coil windings and a separation plate, wherein the three coil windings are respectively wound on the annular magnetic core, wires of the coil windings are flat wires, so that current is increased, the separation plate is positioned in an annular hole of the annular magnetic core to separate an annular inside the annular magnetic core into three annular sections, one coil winding is wound on one annular section, and the three coil windings are insulated from each other in the circumferential direction of the annular magnetic core.
However, the existing three-phase inductor does not perform insulating shielding between two adjacent coils in each coil winding, so that a hidden short circuit trouble exists between the two adjacent coils in each coil winding, and the existing three-phase inductor does not perform electromagnetic shielding on the periphery of each coil winding, so that the coil windings of the three-phase inductor are interfered by adjacent peripheral components, and therefore the working performance is affected.
Disclosure of Invention
In order to achieve the main purpose of the utility model, the utility model provides the three-phase flat wire shielding inductor which has the advantages of strong anti-interference capability, good heat dissipation effect, good anti-seismic performance, stable and reliable operation and high current, and simultaneously realizes automatic and efficient winding, has good product consistency, saves production time and has higher production efficiency.
In order to achieve the main purpose of the utility model, the utility model provides a three-phase flat wire shielding inductor which comprises an annular magnetic core, a seat plate, a silicon steel shielding cover and three coil windings, wherein the three coil windings are respectively wound on the annular wall of the annular magnetic core and are distributed at intervals in the circumferential direction of the annular magnetic core, the seat plate is positioned at one axial end of the annular magnetic core, two ends of each coil winding respectively penetrate through the seat plate and extend out of the seat plate away from the annular magnetic core, wires of each coil winding are flat wires, the silicon steel shielding cover is covered on the seat plate and forms a containing cavity with the seat plate, the annular magnetic core and the coil windings are positioned in the containing cavity, the seat plate penetrates through a heat dissipation hole which is arranged corresponding to an annular hole of the annular magnetic core, a plurality of coils of each coil winding are distributed at equal intervals in the circumferential direction of the annular magnetic core, gaps are reserved between two adjacent coils of each coil winding in the circumferential direction of the annular magnetic core, and pouring sealant is filled in the containing cavity.
According to the three-phase flat wire shielding inductor, the annular magnetic cores and the coil windings are arranged in the accommodating cavity formed between the silicon steel shielding cover and the seat plate, gaps are formed between two adjacent coils of each coil winding in the circumferential direction of the annular magnetic cores, and the potting adhesive is filled in the accommodating cavity, so that the silicon steel shielding cover, the annular magnetic cores and the three coil windings are firmly and firmly fixed on the seat plate through the potting adhesive in the accommodating cavity, the anti-seismic performance is good, meanwhile, the potting adhesive is filled in the gaps between the two adjacent coils of each coil winding at intervals, the potting adhesive is filled in the gaps between the two adjacent coils of each coil winding in the circumferential direction of the annular magnetic cores, the phenomenon of short circuit between the two adjacent coils can be avoided, insulation shielding is achieved between the two adjacent coils of each coil winding, the silicon steel shielding cover is sleeved on the periphery of the three coil windings, electromagnetic shielding is carried out on the periphery of each coil winding, the inductor and the periphery of the inductor can be completely inhibited, and the anti-interference capability is strong. Meanwhile, the three-phase flat wire shielding inductor is provided with the radiating holes which are correspondingly arranged with the annular holes of the annular magnetic core in a penetrating way on the seat board, so that heat generated by the inductor during working can be radiated out of the radiating holes of the seat board, the temperature rise is lower, the radiating effect is good, and the radiating holes of the seat board can also be used during glue filling. In addition, the wire rod of each coil winding of the three-phase flat wire shielding inductor is a flat wire rod, and the flat wire rod has high unit current density which is 1.5-2.0 times of that of a round copper wire, so that the current can be increased. In addition, the three coil windings of the three-phase flat wire shielding inductor are respectively wound on the annular wall of the annular magnetic core and are distributed at intervals in the circumferential direction of the annular magnetic core, and automatic machine winding can be adopted, so that automatic and efficient winding is realized. Therefore, the three-phase flat wire shielding inductor has the advantages of strong anti-interference capability, good heat dissipation effect, good anti-seismic performance, stable and reliable work, high current, automatic and efficient winding, good product consistency, production time saving and higher production efficiency.
Further, the three-phase flat wire shielding inductor further comprises an insulating tape, wherein the insulating tape is positioned in the accommodating cavity and sleeved on the periphery formed among the three coil windings.
Further, the insulating tape comprises at least two layers in the radial direction of the annular magnetic core.
Further, the seat board is a fiber board.
The further scheme is that one end of the silicon steel shielding cover adjacent to the seat board is provided with a plug board in a protruding mode, and the plug board penetrates through the seat board and extends out of the seat board away from the annular magnetic core.
The further scheme is that one end of the seat plate adjacent to the silicon steel shielding cover is provided with a ring groove, and one end of the silicon steel shielding cover adjacent to the seat plate is inserted into the ring groove.
The further scheme is that the pouring sealant is a heat dissipation pouring sealant.
The further proposal is that the peripheral surface of the annular wall is sleeved with a coating film.
Further, the gap is gradually increased from the inside of the toroidal core toward the outside of the toroidal core in the radial direction of the toroidal core.
Further, the minimum distance of the gap in the circumferential direction of the annular magnetic core is between 1 mm and 2 mm; and/or the maximum distance of the gap in the circumferential direction of the toroidal core is between 8 mm and 9 mm.
Drawings
Fig. 1 is a first view angle block diagram of an embodiment of a three-phase flat wire shielded inductor of the present utility model.
Fig. 2 is a second view angle block diagram of an embodiment of a three-phase flat wire shielded inductor of the present utility model.
Fig. 3 is a first partial exploded view of an embodiment of a three-phase flat wire shielded inductor of the present utility model.
Fig. 4 is a block diagram of a silicon steel shield in an embodiment of a three-phase flat wire shielded inductor of the present utility model.
Fig. 5 is a second partial exploded view of an embodiment of a three-phase flat wire shielded inductor of the present utility model.
Fig. 6 is a block diagram of the cooperation of the toroidal core with three coil windings in a three-phase flat wire shielded inductor embodiment of the present utility model.
Fig. 7 is a front view of an annular magnetic core mated with three coil windings in a three-phase flat wire shielded inductor embodiment of the present utility model.
Fig. 8 is a block diagram of a saddle in an embodiment of a three-phase flat wire shielded inductor of the present utility model.
The utility model is further described below with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 to 8, the present embodiment discloses a three-phase flat wire shielded inductor 1, which comprises a toroidal core 14, a seat plate 12, three coil windings 13 and a silicon steel shield 11, wherein the three coil windings 13 are respectively wound on the annular wall of the toroidal core 14 and are distributed at intervals in the circumferential direction of the toroidal core 14, the seat plate 12 is located at one axial end of the toroidal core 14, two ends 131, 132 of each coil winding 13 respectively penetrate through the seat plate 12 and extend out of the seat plate 12 away from the toroidal core 14, and wires of each coil winding 13 are flat wires. The silicon steel shielding cover 11 of this embodiment is covered on the seat plate 12, and a containing cavity (not labeled) is formed between the silicon steel shielding cover and the seat plate 12, and the toroidal core 14 and the coil winding 13 are located in the containing cavity. In addition, in the present embodiment, the seat plate 12 is provided with heat dissipation holes 121 corresponding to the annular holes of the toroidal core 14, the plurality of coils of each coil winding 13 are distributed at equal intervals in the circumferential direction of the toroidal core 14, a gap G is provided between two adjacent coils of each coil winding 13 in the circumferential direction of the toroidal core 14, and potting adhesive (not labeled) is filled in the accommodating cavity.
According to the three-phase flat wire shielding inductor 1, the annular magnetic cores 14 and the coil windings 13 are arranged in the accommodating cavity formed between the silicon steel shielding cover 11 and the seat plate 12, gaps G are formed between two adjacent coils of each coil winding 13 in the circumferential direction of the annular magnetic cores 14, and pouring sealant is filled in the accommodating cavity, so that the silicon steel shielding cover 11, the annular magnetic cores 14 and the three coil windings 13 are firmly and firmly fixed on the seat plate 12 through pouring sealant in the accommodating cavity, the anti-seismic performance is good, meanwhile, the pouring sealant is filled in the gaps between the two adjacent coil windings 13 which are distributed at intervals, and the pouring sealant is filled in the gaps G between the two adjacent coils of each coil winding 13 in the circumferential direction of the annular magnetic cores 14, so that a short circuit phenomenon between the two adjacent coils can be avoided, insulation shielding is achieved between the two adjacent coils of each coil winding 13, and the silicon steel shielding cover 11 is sleeved on the periphery of the three coil windings 13, so that the periphery of each coil winding 13 is subjected to electromagnetic shielding, and the inductor 1 and the peripheral interference can be completely restrained, and the interference can be strong. Meanwhile, in the three-phase flat wire shielding inductor 1 of this embodiment, through the through-hole 121 corresponding to the annular hole of the annular magnetic core 14 on the seat board 12, the heat generated during the operation of the inductor 1 can be emitted from the heat-hole 121 of the seat board 12, so that the temperature rise is lower, the heat-dissipation effect is good, and the heat-hole 121 of the seat board 12 can also be used during glue filling. Moreover, the wire of each coil winding 13 of the three-phase flat wire shield inductor 1 of the present embodiment is a flat wire having a unit current density that is 1.5 to 2.0 times that of a round copper wire, so that the current can be increased. In addition, the three coil windings 13 of the three-phase flat wire shielded inductor 1 of the present embodiment are respectively wound on the annular wall of the toroidal core 14 and are distributed at intervals in the circumferential direction of the toroidal core 14, and automatic machine winding can be adopted, thereby realizing automatic and efficient winding. Therefore, the three-phase flat wire shielding inductor 1 of the embodiment has the advantages of strong anti-interference capability, good heat dissipation effect, good anti-seismic performance, stable and reliable work, large current, automatic efficient winding, good product consistency, production time saving and higher production efficiency.
In order to reduce the overall volume of the inductor 1, the structure of the inductor 1 is more compact, the toroidal core 14 in this embodiment is a toroidal core, the seat board 12 is a disc board, the three coil windings 13 are uniformly distributed in the circumferential direction of the toroidal core 14, and the silicon steel shield 11 is a toroidal shield.
In order to further improve the insulation performance, the three-phase flat wire shielding inductor 1 of the present embodiment further includes an insulation tape 15, and the insulation tape 15 is positioned in the accommodating cavity and is sleeved on the outer circumference formed between the three coil windings 13, thereby further improving the insulation shielding performance. Specifically, the insulating tape 15 of the present embodiment includes at least two layers in the radial direction of the toroidal core 14. In order to further improve the insulation performance, the seat board 12 in this embodiment is a fiber board, which is a composite material made of an epoxy resin filler and glass fiber, and has insulation shielding performance.
Wherein, the one end protrusion that this embodiment silicon steel shield 11 is adjacent bedplate 12 is provided with plugboard 111, plugboard 111 runs through bedplate 12 and stretches out bedplate 12 setting far away from annular magnetic core 14 to in inductor 1 equipment in-process, plugboard 111 of silicon steel shield 11 can pass bedplate 12 and fix a position, convenient equipment operation, make packaging efficiency promote, and when inductor 1 assembles on the circuit board, plugboard 111 of silicon steel shield 11 stretches out bedplate 12 setting, thereby plugboard 111 of silicon steel shield 11 can insert the locating hole of circuit board in and fix a position, convenient assembly operation, make assembly efficiency promote. Specifically, in this embodiment, the seat board 12 is provided with a first avoidance hole 122 through which the plug board 111 passes, and the seat board 12 is provided with a second avoidance hole 123 and a third avoidance hole 124 through which two ends 131 and 132 of each coil winding 13 pass respectively.
In order to ensure the accuracy of the fit between the silicon steel shielding case 11 and the seat plate 12, the seat plate 12 of the embodiment is provided with a ring groove 125 at one end adjacent to the silicon steel shielding case 11, and one end adjacent to the seat plate 12 of the silicon steel shielding case 11 is inserted into the ring groove 125, so that the silicon steel shielding case 11 is accurately positioned on the seat plate 12, and the assembly accuracy of the inductor 1 is improved. In addition, in order to further improve the heat dissipation effect, the pouring sealant of the embodiment is a heat dissipation pouring sealant.
In addition, the outer peripheral surface of the annular magnetic core 14 of the present embodiment is sleeved with a coating film (not labeled), the coil winding 13 is wound outside the annular magnetic core 14 coated with the coating film, and the coating film can achieve the effects of isolation, protection and the like, so that the phenomenon that the coating film cannot be damaged after the coil winding of the coil winding 13 is wound and formed is ensured.
Further, the gap G between adjacent two coils of each coil winding 13 in the circumferential direction of the toroidal core 14 gradually increases in the radial direction of the toroidal core 14 from the inside of the toroidal core 14 toward the outside of the toroidal core 14, specifically, the minimum distance of the gap G in the circumferential direction of the toroidal core 14 is between 1 mm and 2 mm, and the maximum distance of the gap G in the circumferential direction of the toroidal core 14 is between 8 mm and 9 mm, so that excellent safety performance between the respective coil windings can be ensured.
The above embodiments are only preferred examples of the present utility model and are not intended to limit the scope of the present utility model, so that all equivalent changes or modifications made according to the construction, characteristics and principles of the present utility model shall be included in the scope of the present utility model.
Claims (10)
1. The utility model provides a three-phase flat line shielding inductor, includes annular magnetic core, bedplate and three coil winding, three coil winding twines respectively on the rampart of annular magnetic core and be in the circumference of annular magnetic core is upwards interval distribution, the bedplate is located the axial one end of annular magnetic core, every coil winding's both ends run through respectively the bedplate is kept away from annular magnetic core stretches out the bedplate sets up, and every coil winding's wire rod is flat wire rod, its characterized in that:
the three-phase flat wire shielding inductor further comprises a silicon steel shielding cover, wherein the silicon steel shielding cover is covered on the seat plate and forms a containing cavity with the seat plate, and the annular magnetic core and the coil winding are positioned in the containing cavity;
the bedplate runs through and has seted up with the louvre that the annular ring hole of annular magnetic core corresponds the setting, every coil winding's a plurality of coils are in equidistant distribution in the circumference of annular magnetic core, and every coil winding's adjacent two the coil is in the circumference of annular magnetic core is upwards had the clearance, it has the pouring sealant to hold the intracavity embedment.
2. The three-phase flat wire shielded inductor according to claim 1, wherein:
the three-phase flat wire shielding inductor further comprises an insulating adhesive tape, wherein the insulating adhesive tape is positioned in the accommodating cavity and sleeved on the periphery formed between the three coil windings.
3. The three-phase flat wire shielded inductor according to claim 2, wherein:
the insulating tape comprises at least two layers in the radial direction of the annular magnetic core.
4. The three-phase flat wire shielded inductor according to claim 1, wherein:
the seat board is a fiber board.
5. The three-phase flat wire shielded inductor according to claim 1, wherein:
the silicon steel shield cover is adjacent to one end of the seat board and protrudes to be provided with a plug board, and the plug board penetrates through the seat board and is far away from the annular magnetic core to extend out of the seat board.
6. The three-phase flat wire shielded inductor according to claim 1, wherein:
an annular groove is formed in one end, adjacent to the silicon steel shielding cover, of the seat plate, and one end, adjacent to the seat plate, of the silicon steel shielding cover is inserted into the annular groove.
7. The three-phase flat wire shielded inductor according to claim 1, wherein:
the pouring sealant is a heat dissipation pouring sealant.
8. The three-phase flat wire shielded inductor according to claim 1, wherein:
the outer peripheral surface of the annular wall is sleeved with a coating film.
9. The three-phase flat wire shielded inductor according to any one of claims 1 to 8, wherein:
the gap gradually increases in a radial direction of the toroidal core from an inside of the toroidal core toward an outside of the toroidal core.
10. The three-phase flat wire shielded inductor of claim 9, wherein:
the gap has a minimum distance in the circumferential direction of the toroidal core of between 1 mm and 2 mm;
and/or the maximum distance of the gap in the circumferential direction of the toroidal core is between 8 mm and 9 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320257176.XU CN219497494U (en) | 2023-02-17 | 2023-02-17 | Three-phase flat wire shielding inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320257176.XU CN219497494U (en) | 2023-02-17 | 2023-02-17 | Three-phase flat wire shielding inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219497494U true CN219497494U (en) | 2023-08-08 |
Family
ID=87476874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320257176.XU Active CN219497494U (en) | 2023-02-17 | 2023-02-17 | Three-phase flat wire shielding inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219497494U (en) |
-
2023
- 2023-02-17 CN CN202320257176.XU patent/CN219497494U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4543554A (en) | System for the elimination of radio interference and method for its manufacture | |
| US20220384087A1 (en) | Inductor Coil and Electromagnetic Component | |
| US20160329148A1 (en) | Transformer and leakage transformer | |
| JP5083258B2 (en) | Reactor | |
| KR100995128B1 (en) | A Molding type Isolating Transformer | |
| CN219497494U (en) | Three-phase flat wire shielding inductor | |
| CN214279733U (en) | Novel encapsulated transformer and shell thereof | |
| CN104505223A (en) | Improved structure of magnetic cores and winding framework | |
| JP2015076478A (en) | Reactor | |
| WO2021027428A1 (en) | Electromagnetic assembly of brake, brake, and electric motor | |
| CN109285658B (en) | Mutual inductor and leakage circuit breaker | |
| CN210898688U (en) | Motor armature winding and double-disk radial coreless permanent magnet motor comprising same | |
| CN209766225U (en) | Flat split type skeleton embedment transformer | |
| CN210575373U (en) | Surface mount type electronic component | |
| CN204088003U (en) | The modified node method of a kind of magnetic core and bobbin | |
| CN204257341U (en) | A kind of magnetic core and use the magnetic element of this magnetic core | |
| CN108233562A (en) | A kind of motor stator module, motor stator and radial flux motors | |
| CN208126957U (en) | A kind of plug-in type ring inductance | |
| CN117831917A (en) | Transformer | |
| CN210325453U (en) | High-power high-frequency transformer | |
| CN218384685U (en) | Annular high-frequency inductor | |
| CN102946161B (en) | Method for reducing insulation damage of motor winding and flame-proof type variable-frequency motor | |
| CN108347148A (en) | Permanent magnetism slotless direct current motor armature and its processing technology | |
| CN215298999U (en) | Miniature audio transformer | |
| RU2766870C1 (en) | Armored current-limiting reactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |