CN114724806A

CN114724806A - Network transformer shell and network transformer

Info

Publication number: CN114724806A
Application number: CN202210213841.5A
Authority: CN
Inventors: 林仲添
Original assignee: Chongqing Hengnuo Electronics Co ltd
Current assignee: Chongqing Hengnuo Electronics Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-07-08
Also published as: TW202336786A; WO2023164974A1

Abstract

The invention discloses a network transformer shell and a network transformer, wherein the network transformer shell comprises: the welding device comprises a shell body, a plurality of welding grooves and a plurality of wire passing grooves, wherein the opening end of the shell body is provided with a welding groove and a wire passing groove, the wire passing grooves extend outwards from an inner cavity of the shell body, the wire passing grooves and the welding grooves are crossed, the plurality of wire passing grooves are distributed along the extending path of the welding groove, and a welding station is arranged between every two adjacent wire passing grooves; the PIN is embedded in the welding station, and at least one part of the PIN protrudes out of the welding station; and the welding block is accommodated in the welding groove and is connected with the PIN. The welding groove that sets up is crossed with crossing the wire casing, crosses the wire casing and is cut apart by the welding groove, and one such wire casing just has two joint positions, and after the lead wire seal of coil, the card can keep the straight line on crossing two joint positions of wire casing, avoids crooked, the crooked of the free end of the lead wire of coil, makes things convenient for follow-up welding.

Description

Network transformer shell and network transformer

Technical Field

The invention relates to the technical field of network transformers, in particular to a network transformer shell and a network transformer.

Background

The network transformer is commonly used on switch, router or digital equipment, and the network transformer is one kind of transformer, and the network transformer includes the shell, and the shell includes shell body and connects the PIN foot on shell body, and shell body is provided with the inner chamber, and the inner chamber is used for holding the coil.

Be provided with the PIN stitch of kinking on the shell body in the past, be about to the lead wire winding of coil on PIN stitch, utilize this kind of shell body to produce network transformer, need use the manual work to come the kinking, artifical input is big, inconvenient.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the network transformer shell, the lead of the coil is welded on the welding block by using a welding mode, the operation is simple and convenient, the mechanical welding production is suitable, the manual winding is avoided, and the batch manufacturing is convenient.

The invention also provides a network transformer with the network transformer shell.

A network transformer enclosure according to an embodiment of the first aspect of the invention comprises: the welding device comprises a shell body, wherein a welding groove and a plurality of wire passing grooves are formed in the open end of the shell body, the wire passing grooves extend outwards from the inner cavity of the shell body, the wire passing grooves and the welding groove are intersected, the plurality of wire passing grooves are distributed along the extending path of the welding groove, a welding station is arranged between every two adjacent wire passing grooves, each wire passing groove comprises an open section and a clamping section which are sequentially arranged from top to bottom, and the open sections are narrowed from top to bottom; the PIN is embedded in the welding station, and the length of the PIN embedded in the welding station is greater than the length of the PIN protruding out of the welding station; and the welding block is accommodated in the welding groove and is connected with the PIN.

The network transformer shell according to the embodiment of the invention at least has the following beneficial effects: the welding grooves are crossed with the wire passing grooves, the wire passing grooves are divided by the welding grooves, so that one wire passing groove has two clamping positions, and after a lead of the coil is printed out, the lead can be clamped on the two clamping positions of the wire passing groove to keep a straight line, so that the free end of the lead of the coil is prevented from being inclined and bent, and the subsequent welding is facilitated; because the welding groove will cross the line groove and cut, consequently set up in the welding groove the lead wire contact of welding piece and coil can be better, the PIN foot inlays to be established on the welding station, like this the regularity of PIN foot can be kept, can not receive external force and influence the roughness of PIN foot, the welding piece with the PIN foot links to each other, the PIN foot with the welding piece generally adopts metal to make, consequently the PIN foot with the welding piece also is the electricity connection when linking to each other, and the lead welding of coil promptly can pass through on the welding piece the PIN foot switches on, compares in the elasticity PIN in the past, the regularity of PIN foot can keep, can not receive external force to influence.

According to some embodiments of the invention, the PIN connector further comprises reinforcing pieces, the reinforcing pieces correspond to the welding blocks one by one, the reinforcing pieces are embedded in the shell body and are connected with the welding blocks, and the reinforcing pieces are used for reinforcing the structural strength of the welding blocks and the PIN feet and preventing the welding blocks and the PIN feet from being easily loosened.

According to some embodiments of the invention, the welding groove divides the wire passing groove into two sections, and an arc-shaped transition surface is arranged at the joint of the wire passing groove and the inner cavity of the shell body, so that a lead of the coil can be conveniently led out, and the lead can be prevented from being cut off.

According to some embodiments of the invention, the PIN, the welding block and the reinforcing sheet are integrally formed, and the manufacturing is convenient.

According to some embodiments of the invention, the shell body is made of plastic, and the PIN foot, the welding block and the reinforcing sheet are all made of metal, so that the shell body is convenient to integrally manufacture and can be manufactured by forging, cutting or laser cutting.

A network transformer according to an embodiment of the second aspect of the invention comprises the network transformer enclosure.

The network transformer provided by the embodiment of the invention at least has the following beneficial effects: by adopting the network transformer shell to manufacture the network transformer, automatic lead welding can be realized, the trouble of manual winding is avoided, the production period is shortened, and the production efficiency is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a network transformer enclosure according to an embodiment of the present invention;

FIG. 2 is an exploded view of the network transformer enclosure shown in FIG. 1;

fig. 3 is a right side view of the network transformer enclosure shown in fig. 1.

A case body 100, a welding groove 110;

the cable passing groove 120, the open section 121, the clamping section 122, the arc transition surface 123 and the welding station 130;

PIN leg 200a, solder bump 200b, and reinforcing tab 200 c.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and the meaning of more than, less than, more than, etc. is understood as excluding the number, and the meaning of more than, less than, etc. is understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, a network transformer enclosure comprises: the shell comprises a shell body 100, wherein a welding groove 110 and a wire passing groove 120 are arranged at the opening end of the shell body 100, the wire passing groove 120 extends outwards from the inner cavity of the shell body 100, the wire passing groove 120 is intersected with the welding groove 110, a plurality of wire passing grooves 120 are arranged, the plurality of wire passing grooves 120 are distributed along the extending path of the welding groove 110, and a welding station 130 is arranged between every two adjacent wire passing grooves 120; the PIN PINs 200a are embedded in the welding station 130, the length of the PIN PINs 200a embedded in the welding station 130 is larger than the length of the PIN PINs 200a protruding out of the welding station 130, and the PIN PINs 200a are arranged in one-to-one correspondence with the welding station 130; and the welding block 200b is accommodated in the welding groove 110, the welding block 200b and the PIN foot 200a are arranged in a one-to-one correspondence mode, and the welding block 200b is connected with the PIN foot 200 a. The arranged welding groove 110 is crossed with the wire passing groove 120, and the wire passing groove 120 is divided by the welding groove 110, so that one wire passing groove 120 has two clamping positions, and after the lead of the coil is printed out, the lead can be kept straight on the two clamping positions of the wire passing groove 120, so that the free end of the lead of the coil is prevented from being inclined and bent, and the subsequent welding is facilitated; because the welding groove 110 cuts off the wire passing groove 120, the welding block 200b arranged in the welding groove 110 can be better contacted with the lead of the coil, the PIN 200a is embedded on the welding station 130, so that the uniformity of the PIN 200a can be maintained, the flatness of the PIN is not influenced by external force, the welding block 200b is connected with the PIN 200a, and the PIN 200a and the welding block 200b are generally made of metal, so that the PIN 200a and the welding block 200b are connected and electrically connected, namely, the lead of the coil is welded on the welding block 200b and can be conducted through the PIN 200a, compared with the traditional elastic PIN, the uniformity of the PIN 200a can be maintained and cannot be influenced by external force, and the welding station is a welding station limited between two adjacent wire passing grooves 120.

It is understood that the wire passing groove 120 may pass through the shell body 100, or may not pass through the shell body 100, the wire passing groove 120 and the welding groove 110 intersect with each other, that is, the extension line of the wire passing groove 120 intersects with the extension line of the welding groove 110, may be vertical as shown in fig. 1 and 2, or may be obliquely crossed at an angle, and the plurality of wire guide grooves 120 are distributed along the path of the welding groove 110, which means the extending path of the welding groove 110, if the welding groove 110 is a straight extension path, a plurality of the wire passing grooves 120 are distributed along a straight line, if the welding groove 110 is a curved extension path, a plurality of wire passing grooves 120 are distributed along a curve, for example, the welding groove 110 is annular, the plurality of wire passing grooves 120 are distributed along the annular shape, and at least a part of the PIN leg 200a protrudes out of the welding station 130, namely, the protruding part of the PIN leg 200a is far smaller than the embedded part, so that the protruding part of the PIN leg 200a can be kept neat.

Note that the coil is housed in the inner cavity of the case body 100, and the coil has a lead wire.

In some embodiments, the plurality of wire feed slots 120 are evenly spaced along the path of the weld slot 110.

In some embodiments, the end face of the opening end of the casing body 100 is rectangular, the welding grooves 110 are respectively disposed on two opposite sides of the rectangle, each welding groove 110 is correspondingly provided with a plurality of wire passing grooves 120, the extending direction of the wire passing grooves 120 is perpendicular to the extending direction of the welding grooves 110, the rectangular structure facilitates the arrangement of the welding grooves 110 and the wire passing grooves 120, and also facilitates the layout of a space in the electronic device, and the perpendicular intersection of the wire passing grooves 120 and the welding grooves 110 is also used for facilitating the leading-out of a lead from a coil to the wire passing grooves 120.

Referring to fig. 3, the soldering station 130 protrudes out of the end surface of the open end of the housing body 100, and the soldering station 130 can first contact with a pad on the PCB, so as to facilitate soldering and alignment, i.e., the height of the soldering station 130 is greater than the height of the open end of the housing body 100.

In some embodiments, at least a portion of the welding block 200b is embedded in the bottom of the welding groove 110, and the welding block 200b is fixed to prevent the welding block from shaking and deforming, it is understood that the welding block 200b may be accommodated in the welding groove 110, not rigidly connected to the bottom of the welding groove 110, or rigidly connected to the bottom of the welding groove 110.

In some embodiments, the PIN connector further comprises a reinforcing plate 200c, the reinforcing plate 200c corresponds to the welding block 200b, the reinforcing plate 200c is embedded in the housing body 100, the reinforcing plate 200c is connected with the welding block 200b, and the reinforcing plate 200c is arranged to reinforce the structural strength of the welding block 200b and the PIN leg 200a, so that the welding block 200b and the PIN leg 200a are prevented from being easily loosened. It should be noted that, one side that the PIN foot is close to shell body 100 inner chamber is provided with the cambered surface, and the upper end of PIN foot sets up to the plane, and one side that the PIN foot kept away from shell body 100 inner chamber sets up to the plane and with shell body 100 outer wall coplane, the laminating precision of pad on the assurance and the PCB.

In some embodiments, the welding groove 110 divides the wire passing groove 120 into two sections, and an arc-shaped transition surface 123 is disposed at a connection position of the wire passing groove 120 and the inner cavity of the case body 100, so as to facilitate leading out a lead of the coil and prevent the lead from being cut off. It will be appreciated that without the arcuate transition surface 123, the intersection of the two perpendicular surfaces would be sharp and prone to lead cutting, thereby causing transformer failure.

In some embodiments, the wire passing groove 120 includes an open section 121 and a clamping section 122 sequentially arranged from top to bottom, the open section 121 narrows from top to bottom, and the open section 121 facilitates the lead wire of the coil to be clamped into the wire passing groove 120.

In some embodiments, the PIN 200a, the solder bump 200b, and the reinforcing tab 200c are integrally formed for ease of manufacture.

In some embodiments, the housing body 100 is made of plastic, and the PIN legs 200a, the welding blocks 200b and the reinforcing pieces 200c are made of metal, so that the integrated manufacturing is convenient, and the manufacturing can be performed by forging, cutting or laser cutting.

A network transformer includes a network transformer housing. The network transformer is manufactured by adopting the network transformer shell, so that automatic lead welding can be realized, the trouble of manual winding is avoided, the production period is shortened, and the production efficiency is improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A network transformer enclosure, comprising:

the shell comprises a shell body (100), wherein a welding groove (110) and a wire passing groove (120) are formed in the opening end of the shell body (100), the wire passing groove (120) extends outwards from the inner cavity of the shell body (100), the wire passing groove (120) and the welding groove (110) are crossed, a plurality of wire passing grooves (120) are formed, the plurality of wire passing grooves (120) are distributed along the extending path of the welding groove (110), a welding station (130) is arranged between every two adjacent wire passing grooves (120), each wire passing groove (120) comprises an open section (121) and a clamping section (122) which are sequentially arranged from top to bottom, and each open section (121) is narrowed from top to bottom;

the PIN foot (200a) is embedded in the welding station (130), and the length of the PIN foot (200a) embedded in the welding station (130) is greater than the length of the PIN foot protruding out of the welding station (130);

a solder bump (200b) received in the solder groove (110), the solder bump (200b) connecting the PIN (200 a).

2. The network transformer enclosure of claim 1, wherein: the shell is characterized by further comprising a reinforcing sheet (200c), wherein the reinforcing sheet (200c) is embedded in the shell body (100), and the reinforcing sheet (200c) is connected with the welding block (200 b).

3. The network transformer enclosure of claim 1, wherein: the welding groove (110) divides the wire passing groove (120) into two sections, and an arc-shaped transition surface (123) is arranged at the joint of the wire passing groove (120) and the inner cavity of the shell body (100).

4. The network transformer enclosure of claim 2, wherein: the PIN leg (200a), the solder block (200b), and the reinforcing sheet (200c) are integrally formed.

5. The network transformer enclosure of claim 4, wherein: the case body (100) is made of plastic, and the PIN leg (200a), the welding block (200b), and the reinforcing sheet (200c) are all made of metal.

6. A network transformer, characterized in that it comprises a network transformer housing according to any one of claims 1 to 5.