CN209843465U - Transformer device - Google Patents
Transformer device Download PDFInfo
- Publication number
- CN209843465U CN209843465U CN201920906271.1U CN201920906271U CN209843465U CN 209843465 U CN209843465 U CN 209843465U CN 201920906271 U CN201920906271 U CN 201920906271U CN 209843465 U CN209843465 U CN 209843465U
- Authority
- CN
- China
- Prior art keywords
- transformer
- end portion
- winding
- wire
- base body
- 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
- 238000004804 winding Methods 0.000 claims abstract description 57
- 239000000919 ceramic Substances 0.000 claims description 12
- 239000002966 varnish Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000015895 biscuits Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001131 transforming effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 101150012579 ADSL gene Proteins 0.000 description 1
- 102100020775 Adenylosuccinate lyase Human genes 0.000 description 1
- 108700040193 Adenylosuccinate lyases Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
A transformer comprises a base body and a magnetic ring winding contained in the base body, wherein at least one conducting layer is arranged on the outer surface of the base body, the base body comprises a first surface and a second surface arranged opposite to the first surface, the conducting layer comprises a first end portion and a second end portion arranged opposite to the first end portion, the first end portion is located on the first surface and electrically connected with the magnetic ring winding, and the second end portion is located on the second surface. The utility model provides a transformer has set up the conducting layer structure and has made the size of transformer littleer, has simplified drawing forth of wire winding, easily realizes automaticly.
Description
Technical Field
The utility model relates to an electrical components technical field, in particular to transformer.
Background
Network transformers are one of the essential magnetic devices in communication networks. The method is mainly applied to high-performance digital switches, SDH/ATM transmission equipment, ISDN, ADSL, VDSL, POE powered equipment integrated service digital equipment and the like. The device has the functions of signal transmission, impedance matching, waveform restoration, signal clutter suppression, high-voltage isolation and the like.
The traditional network transformer is composed of a plastic base and a magnetic ring winding, the number of pins is large, and the pin part protrudes out of a transformer main body, so that the whole size of the transformer is large, meanwhile, lead-out wires of a lead winding of the transformer are inconvenient to weld to the pins, automatic assembly is difficult to achieve, and the processing efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transformer that highly less and be convenient for make up.
A transformer comprises a base body and a magnetic ring winding contained in the base body, wherein at least one conducting layer is arranged on the outer surface of the base body, the base body comprises a first surface and a second surface arranged opposite to the first surface, the conducting layer comprises a first end portion and a second end portion arranged opposite to the first end portion, the first end portion is located on the first surface and electrically connected with the magnetic ring winding, and the second end portion is located on the second surface.
Furthermore, the first surface is recessed inwards to form at least one accommodating groove, and the magnetic ring winding is accommodated in the accommodating groove.
Further, the base body further comprises a plurality of side surfaces connected with the first surface and the second surface, the first surface is further recessed inwards to form a plurality of wire grooves, the wire grooves are communicated with the accommodating grooves and the side surfaces, and the first end portion is at least formed at the bottom of the wire grooves.
Further, the first end portion is also formed at a position where the first surface surrounds the bottom of the wire guide groove.
Further, the conductive layer further includes a connection portion connecting the first end portion and the second end portion, the connection portion being formed on the side surface.
Furthermore, a column body is formed at the bottom of the containing groove in a protruding mode, the magnetic ring winding comprises a ring-shaped magnet, a through hole is formed in the ring-shaped magnet, and the column body is contained in the through hole to position the ring-shaped magnet.
Furthermore, the magnetic ring winding also comprises a lead winding wound on the annular magnet, the lead winding comprises at least one inlet end and at least one outlet end, and the inlet end and the outlet end are accommodated in the lead groove and electrically connected with the conductive layer.
Furthermore, the wire winding comprises a primary coil and a secondary coil, and the primary coil and the secondary coil are symmetrically wound on the ring magnet.
Furthermore, the base body is made of ceramic.
Further, the outer side of the conductive layer is coated with an insulating varnish.
The utility model provides a transformer has and easily realizes that automation, combination form are nimble more convenient, and compares the pin setting in current transformer, the utility model provides a transformer makes the size littleer through setting up the conducting layer, has simplified drawing forth of wire winding simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a transformer according to an embodiment of the present invention.
Fig. 2 is a schematic view of another angle of the transformer shown in fig. 1.
Fig. 3 is an exploded view of the transformer shown in fig. 1.
Fig. 4 is a schematic diagram of a transformer assembly provided in this embodiment.
Fig. 5 is an exploded view of the transformer assembly shown in fig. 4.
Fig. 6 is a circuit diagram of the transformer assembly shown in fig. 5.
Description of the main elements
The following detailed description of the invention will be further described in conjunction with the above description of the drawings.
Detailed Description
The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings 1-6 of the specific embodiments. It is to be understood that the described embodiments are merely exemplary of some, and not necessarily all, embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, fig. 2 and fig. 3 together, the present embodiment provides a transformer 100, including a base 10 and a magnetic ring winding 30 accommodated in the base 10, an outer surface of the base 10 is provided with at least one conductive layer 11, the base 10 includes a first surface 12 and a second surface 13 disposed opposite to the first surface 12, the conductive layer 11 includes a first end portion 110 and a second end portion 113 disposed opposite to the first end portion 110, the first end portion 110 is located on the first surface 12 and electrically connected to the magnetic ring winding 30, the second end portion 113 is located on the second surface 13, and the second end portion 113 serves as an input end or an output end of the transformer 100 and is electrically connected to an external circuit board 201 (see fig. 4).
In this embodiment, the seat body 10 is substantially in a cube shape, the seat body 10 further includes a plurality of side surfaces 14 connecting the first surface 12 and the second surface 13, a central region of the first surface 12 is recessed inward to form a receiving groove 121, the magnetic loop winding 30 is received in the receiving groove 121, the first surface 12 is further recessed inward to form a plurality of wire grooves 122 (see fig. 3), and each wire groove 122 is communicated with the receiving groove 121 and the side surface 14.
Further, the conductive layer 11 further includes a connection portion 111 connecting the first end portion 110 and the second end portion 113, wherein the first end portion 110 is formed at least at the bottom of the wire groove 122, the second end portion 113 is formed at a position of the second surface 13 close to the side surface 14, and the connection portion 111 is formed at the side surface 14. In this embodiment, the first end portion 110 is further formed at a position where the first surface 12 surrounds the bottom of the wire guide groove 122. Since the conductive layer 11 has a layered structure at the second end 113, the conductive layer 11 can reduce the overall height of the transformer 100 compared to a conventional lead.
In this embodiment, the six conductive layers 11 are divided into two groups with the same number, and the two groups are respectively disposed on two opposite side surfaces 14 of the base 10, and each group of conductive layers 11 is disposed in parallel.
Further, the outer side of the conductive layer 11 is coated with an insulating varnish (not shown), and the insulating layer is used for preventing the conductive layer 11 from short-circuiting with other electronic components (not shown) when the transformer 100 is inserted into the circuit board 201.
Further, a column 134 is formed at the center of the bottom 123 of the receiving slot 1321 and protrudes outwards, the column 134 is used for positioning the magnetic ring winding 30, and meanwhile, the column 134 can facilitate a mechanical arm (not shown) to quickly grasp and move the base 10 when manufacturing the transformer 100.
As shown in fig. 3, the magnetic loop winding 30 includes a ring magnet 33 and a wire winding 32 wound around the ring magnet 33, a through hole 31 is formed in the ring magnet 33, and the column 134 is received in the through hole 31 to position the magnetic loop winding 30. The wire winding 32 includes at least one inlet end 321 and at least one outlet end 322, and the inlet end 321 and the outlet end 322 are accommodated in the wire slot 122 and electrically connected to the first end portion 110 of the conductive layer 11, so that the lead-out of the wire winding 32 is simplified.
Further, the wire winding 32 includes a primary coil 102 and a secondary coil 103, and the primary coil 102 and the secondary coil 103 are symmetrically wound on the ring magnet 33, wherein the primary coil 102 and the secondary coil have different colors, so that the mechanical arm can distinguish the primary coil and the secondary coil (see the following step five). The ends of the primary winding 102 and the secondary winding 103 form the input end 321 and the output end 322, respectively.
In this embodiment, the base 10 is made of ceramic. Since the ceramic has excellent thermal conductivity and insulativity and good mechanical properties, and is different from other plastic insulating materials which are easy to age, the heat dissipation performance of the transformer 100 is improved, the insulating performance is improved, and the structure stability is excellent.
The present embodiment further provides a method for manufacturing the transformer 100, including:
the method comprises the following steps: pressing the pre-prepared ceramic powder to obtain a ceramic biscuit;
in this embodiment, the ceramic biscuit is a square frame, and includes the receiving slot 121 for receiving the magnetic ring winding 30 and the wire slot 122 for receiving the input end 321 and the output end 322, and the column 134 is formed at the center of the bottom of the receiving slot 121.
Step two: placing the ceramic biscuit in a sintering furnace for sintering to obtain a ceramic sintered body;
step three: forming the conductive layer 11 on the ceramic sintered body and obtaining the base body 10;
in the present embodiment, the number of the conductive layers 11 is six. Three conductive layers 11 are formed on one side of the ceramic sintered body, and the other three conductive layers 11 are symmetrically formed on the other side of the ceramic sintered body. Further, the conductive layer 11 includes a first end portion 110, a second end portion 113 and a connection portion 111 connecting the first end portion 110 and the second end portion 113, the first end portion 110 is formed at least at the bottom of the wire groove 122, the second end portion 113 is formed at a position of the second surface 13 close to the side surface 14, and the connection portion 111 is formed at the side surface 14. In this embodiment, the first end portion 110 is further formed at a position where the first surface 12 surrounds the bottom of the wire guide groove 122.
In a specific operation, the conductive layer 11 may be formed on the base 10 by electroplating.
Step four: winding a wire (not shown) on the ring magnet 33 according to the number of turns required by the design and obtaining the magnetic ring winding 30;
in the present embodiment, the wire winding 32 includes at least one inlet 321 and at least one outlet 322. Further, the wire winding 32 includes a primary coil 102 and a secondary coil 103, and the primary coil 102 and the secondary coil 103 are symmetrically wound on the ring magnet 33. The ends of the primary winding 102 and the secondary winding 103 form the input end 321 and the output end 322, respectively.
Step five: the magnetic ring winding 30 is put into the accommodating groove 121;
in this embodiment, the column 134 may be received in the through hole 31 to position the magnetic ring winding 30. The magnetic ring winding 30 is loaded into the accommodating slot 121 by a manipulator, and the finished inlet end 321 and outlet end 322 are pushed into the wire groove 122 by the manipulator.
Step six: and welding the inlet end 321 and the outlet end 322 falling into the wire groove 122 and the conductive layer 11 together to realize electrical connection, thereby completing the manufacture of the transformer 100.
Further, the wire in the wire groove 122 is welded to the conductive layer 11 by an automatic welding machine.
In the transformer and the manufacturing method thereof provided by the embodiment, the conductive layer is arranged, one end of the conductive layer is electrically connected with the input end and the output end, and the other end of the conductive layer is connected with the external circuit, so that the problem of wire breakage caused by leading out of a wire and winding the wire on a pin is avoided.
Referring to fig. 4 and 5, an embodiment of the present invention further provides a transformer assembly 200, where the transformer assembly 200 includes a circuit board 201 and a plurality of transformers 100 electrically connected to the circuit board 201, a plurality of pads 202 electrically connected to the second end 113 of the transformer 100 are disposed on an outer surface of the circuit board 201, and the pads 202 are electrically connected to each other.
Further, referring to fig. 6, the transformer assembly 200 includes two transformer units 203, and one transformer unit 203 includes two transformers (i.e. a first transformer 100a and a second transformer 100b), wherein the second transformer 100b and the first transformer 100a have the same structure as the transformer 100, but the second transformer 100b and the first transformer 100a have different functions, the first transformer 100a is used for filtering signals, and the second transformer 100b is used for amplifying or reducing signals.
In the first transformer 100a, one end of the wire winding 32 is electrically connected to two ends of the primary coil 102 of the second transformer 100b, the other end of the wire winding 32 is led out to form first outgoing lines 3 and 4, the first outgoing lines 3 and 4 are used for receiving an input primary signal, and the primary signal is filtered by the first transformer 100a and then input to the second transformer 100 b;
the second transformer 100b further includes a secondary winding 103, and second outgoing lines 1 and 2 are led out from two ends of the secondary winding 103, where the second outgoing lines 1 and 2 are used for being electrically connected to a processing chip (not shown).
The other transforming unit 203 also includes two transformers (i.e. a third transformer 100c and a fourth transformer 100d), wherein the third transformer 100c and the fourth transformer 100d have the same structure as the transformer 100, the third transformer 100c is used for filtering signals, and the fourth transformer 100d is used for amplifying or reducing signals.
In the third transformer 100c, third outgoing lines 5 and 6 are led out from one end of the primary coil 102, the third outgoing lines 5 and 6 are used for being electrically connected with the processing chip, the processing chip is used for processing signals input from the second outgoing lines 1 and 2 and outputting the signals to the third transformer 100c through the third outgoing lines 5 and 6, and a secondary coil 103 of the third transformer 100c is connected with the fourth transformer 100 d;
in the fourth transformer 100d, one end of the wire winding 32 of the fourth transformer 100d is electrically connected to the secondary winding 103 of the third transformer 100c, fourth lead wires 7 and 8 are led out from the other end of the wire winding 32 of the fourth transformer 100d, and a signal output from the fourth transformer 100d is output by the fourth lead wires 7 and 8.
Specifically, the primary signals input from the first outgoing lines 3 and 4 are filtered by the first transformer 100a to become primary signals, and the primary signals are processed by the second transformer 100b and then led out to the processing chip by the second outgoing lines 1 and 2, that is, the primary signals are processed by the first transformer 100a, the second transformer 100b and the processing chip in sequence to become secondary signals. The secondary signal is input to the third transformer 100c by the third outgoing lines 5, 6, becomes a secondary signal, which is input to the fourth transformer 100d, becomes a final-stage signal, and is output from the fourth outgoing lines 7, 8.
In this embodiment, a tap 9 'is led out from the primary winding 102 of the second transformer 100b and the secondary winding 103 of the third transformer 100c, and the tap 9' is grounded through a capacitor; the secondary winding 103 of the second transformer 100b and the primary winding 102 of the third transformer 100c jointly lead out a tap 9, and the tap 9 is grounded through a capacitor.
In this embodiment, the first outgoing lines 1, 2, the second outgoing lines 3, 4, the third outgoing lines 5, 6, the fourth outgoing lines 7, 8, the wires 9 and the wires 9' are all electrically connected to the pad 202 (see fig. 5) through the conductive layer 11, and the pad 202 is used for electrically connecting two of the transforming units 203 in the transformer assembly 200.
In other embodiments, the number of the transforming units 203 may be set according to actual requirements.
The utility model provides a transformer has and easily realizes that automation, combination form are nimble more convenient, and compares the pin setting in current transformer, the utility model provides a transformer makes the size littleer through setting up the conducting layer, has simplified drawing forth of wire winding simultaneously.
In addition, those skilled in the art should recognize that the above embodiments are illustrative only, and not limiting, and that suitable modifications and variations to the above embodiments are within the spirit and scope of the invention as claimed.
Claims (10)
1. A transformer comprises a base body and a magnetic ring winding accommodated in the base body, and is characterized in that: the outer surface of the base body is provided with at least one conducting layer, the base body comprises a first surface and a second surface opposite to the first surface, the conducting layer comprises a first end portion and a second end portion opposite to the first end portion, the first end portion is located on the first surface and electrically connected with the magnetic ring winding, and the second end portion is located on the second surface.
2. The transformer of claim 1, wherein the first surface defines at least one receiving slot, and the magnetic ring winding is received in the receiving slot.
3. The transformer of claim 2, wherein the housing further comprises a plurality of side surfaces connecting the first surface and the second surface, the first surface has a plurality of wire grooves, the wire grooves communicate with the receiving groove and the side surfaces, and the first end is at least disposed at the bottom of the wire grooves.
4. The transformer of claim 3, wherein the first end is further formed at a position where the first surface surrounds the bottom of the wire groove.
5. The transformer of claim 3, wherein the conductive layer further comprises a connection connecting the first end portion and the second end portion, the connection being located at the side surface.
6. The transformer as claimed in claim 3, wherein a post is protruded from a bottom of the receiving slot, the magnetic loop winding includes a ring magnet, the ring magnet has a through hole, and the post is received in the through hole to position the ring magnet.
7. The transformer of claim 6, wherein the magnetic loop winding further comprises a wire winding wound around the ring magnet, the wire winding comprising at least one inlet end and at least one outlet end, the inlet end and the outlet end being received in the wire slots and electrically connected to the conductive layer.
8. The transformer of claim 7, wherein the wire winding comprises a primary coil and a secondary coil, and the primary coil and the secondary coil are symmetrically wound around the ring magnet.
9. The transformer of claim 1, wherein the base is made of ceramic.
10. The transformer of claim 1, wherein the outer side of the conductive layer is coated with an insulating varnish.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920906271.1U CN209843465U (en) | 2019-06-14 | 2019-06-14 | Transformer device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920906271.1U CN209843465U (en) | 2019-06-14 | 2019-06-14 | Transformer device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209843465U true CN209843465U (en) | 2019-12-24 |
Family
ID=68898560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920906271.1U Active CN209843465U (en) | 2019-06-14 | 2019-06-14 | Transformer device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209843465U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110148514A (en) * | 2019-06-14 | 2019-08-20 | 深圳市京泉华科技股份有限公司 | The manufacturing method of transformer and transformer |
-
2019
- 2019-06-14 CN CN201920906271.1U patent/CN209843465U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110148514A (en) * | 2019-06-14 | 2019-08-20 | 深圳市京泉华科技股份有限公司 | The manufacturing method of transformer and transformer |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4103267A (en) | Hybrid transformer device | |
TWI453775B (en) | Substrate inductive devices and methods | |
US6642827B1 (en) | Advanced electronic microminiature coil and method of manufacturing | |
US20070040645A1 (en) | Transformer And Method Of Winding Same | |
CN102301435B (en) | Substrate Inductive Devices And Methods | |
CN209843465U (en) | Transformer device | |
CN110415949B (en) | Connector and electronic device | |
CN208570297U (en) | Transformer and electromagnetic device | |
WO2019210541A1 (en) | Transformer and manufacturing method therefor, and electromagnetic device | |
CN209843467U (en) | Transformer assembly | |
CN209232998U (en) | A kind of connector and electronic device | |
CN208706926U (en) | A kind of connector and electronic device | |
CN208637248U (en) | Electronic device, connector and its electromagnetic device | |
CN208141946U (en) | electromagnetic device and integrated transformer | |
CN105450041B (en) | Magnetic element integrates module | |
TWM550458U (en) | Transformers and electrical connector having the same | |
CN110676015B (en) | Electronic device, connector and electromagnetic device thereof | |
WO2019210538A1 (en) | Transformer, electromagnetic device, and manufacturing method for transformer | |
CN215265795U (en) | Electronic device and connector thereof | |
WO2019210540A1 (en) | Electromagnetic element and manufacturing method therefor | |
US11862385B2 (en) | Electronic device, connector, and electromagnetic device thereof | |
WO2019210539A1 (en) | Integrated transformer and electronic device | |
CN215989318U (en) | Electronic device and network connector thereof | |
CN110148514A (en) | The manufacturing method of transformer and transformer | |
JPH10189342A (en) | Common mode choke coil and its manufacture |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |