CN110718379B - Network transformer integrating PoE power supply function - Google Patents

Abstract

The invention discloses a network transformer integrating PoE power supply function, which structurally comprises a mounting hole, a heat dissipation frame, a circuit board, a network transformation module, a network interface, an interface bracket and a golden finger, wherein the network transformation module consists of a front transformation module, heat dissipation particles and a rear transformation module, and the network transformer has the following effects: the component structure that preceding vary voltage module and back vary voltage module are constituteed is the same, the structure of concave structure after the front protrusion that forms through the vary voltage module, can make preceding vary voltage module and back vary voltage module carry out series connection concatenation or separation, concatenation through preceding vary voltage module and back vary voltage module, make network vary voltage module power increase, with the great ethernet network equipment of adaptation power demand, separation through preceding vary voltage module and back vary voltage module, make network vary voltage module power diminish, with the less ethernet network equipment of adaptation power demand, thereby satisfy the use demand of different ethernet network equipment to the network transformer of different power on the market.

Description

Network transformer integrating PoE power supply function

Technical Field

The invention relates to the field of transformers, in particular to a network transformer integrating a PoE power supply function.

Background

In the ethernet equipment, when the PHY is connected with the RJ45, a network transformer is added in the middle, after the network transformer is connected, the network transformer is mainly used for signal level coupling, which can enhance the signal, make the transmission distance longer, isolate the chip end from the outside, greatly enhance the anti-interference capability, and add a great protection effect (such as lightning stroke) to the chip, when the network interface with different levels (such as 2.5V for some PHY chips and 3.3V for some PHY chips) is connected, the mutual equipment will not be affected, the POE is also called as a power supply system based on the local area network or an active ethernet, the network transformer module and the POE power supply module are the components that can or can not be used by the ethernet equipment with POE power supply such as a network camera, and as the power requirement of the internet of things product becomes smaller and smaller, the ethernet network equipment such as the POE camera becomes a development trend of more miniaturization, the space that it occupies the mainboard is big for current network transformer mould, thereby cause ethernet network equipment's volume great, the power demand is also corresponding great, can not satisfy the characteristics that ethernet network equipment such as current PoE camera used power is little and miniaturized, consequently need develop a novel network transformer of integrated PoE power function, it is big to solve current network transformer mould its space that occupies the mainboard with this, thereby cause ethernet network equipment's volume great, the power demand is also corresponding great, can not satisfy the problem that ethernet network equipment such as current PoE camera used power is little and miniaturized characteristics.

Summary of the invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: a network transformer integrating PoE power supply function structurally comprises a mounting hole, a heat dissipation frame, a circuit board, a network transformation module, a network interface, an interface bracket and a golden finger, wherein the interface bracket is arranged at the front end of the circuit board and is buckled with the circuit board, the interface bracket is provided with the network interface, the network interface is buckled with the interface bracket, the network interface is connected with the circuit board, the four corners of the circuit board are provided with the mounting hole, the mounting hole and the circuit board are of an integrated structure, one side of the circuit board is provided with the golden finger, the golden finger is in interference fit with the circuit board, the rear end of the interface bracket is provided with the network transformation module, the network transformation module is connected with the circuit board, the network transformation module is matched with the network interface, the heat dissipation frame is arranged at the rear end of the network transformation module, the heat dissipation frame and the circuit board are in interference fit.

As the further optimization of the technical scheme, the network transformation module consists of a front transformation module, heat extraction particles and a rear transformation module, wherein the rear transformation module is arranged at one end of the front transformation module, the front transformation module is movably connected with the rear transformation module, and the heat extraction particles are arranged at the tops of the front transformation module and the rear transformation module.

As the further optimization of this technical scheme, preceding vary voltage module constitute by insulating boot, first vary voltage ring, series connection support, second vary voltage ring, the inside central point of insulating boot put and be equipped with the series connection support, series connection support and insulating boot adopt interference fit, the series connection support by preceding be equipped with second vary voltage ring and first vary voltage ring to the back, first vary voltage ring and second vary voltage ring be the axisymmetric structure with the symmetry axis of series connection support, first vary voltage ring and second vary voltage ring be connected with the series connection support.

As a further optimization of this technical scheme, the insulating boot by gomphosis recess, the electrically conductive frame in back, electrically conductive gasket, dustcoat, preceding electrically conductive frame, lead electrical pillar and constitute, the dustcoat be equipped with for the front end and lead electrical pillar, the dustcoat inside be equipped with preceding electrically conductive frame, preceding electrically conductive frame lock install inside the dustcoat, preceding electrically conductive frame with lead electrical pillar and connect, dustcoat rear end parallel equidistance be equipped with the gomphosis recess, gomphosis recess inner wall both sides be equipped with electrically conductive gasket, the electrically conductive frame in back locate inside the dustcoat, electrically conductive frame and dustcoat looks lock in back, electrically conductive gasket and the electrically conductive frame of back connect, electrically conductive frame and first vary voltage ring cooperate in back, preceding electrically conductive frame and second vary voltage ring cooperate.

As a further optimization of the technical scheme, the first transformer ring comprises a conductive support, an insulating outer cover, copper beads and an iron core, the bottom of the insulating outer cover is provided with the conductive support, the conductive support and the insulating outer cover are in interference fit, the iron core is arranged in the center of the inside of the insulating outer cover, the conductive support is connected with the iron core, and the copper beads are filled in the insulating outer cover.

As a further optimization of the technical scheme, the series connection support comprises a high-voltage input gasket, a low-voltage output gasket, conductive support legs and a conductive rod, the front end of the conductive rod is provided with the high-voltage input gasket and the low-voltage output gasket, the rear end of the conductive rod is provided with the high-voltage input gasket and the low-voltage output gasket, the high-voltage input gasket and the low-voltage output gasket are connected with the bottom end of the iron core, one side of the high-voltage input gasket is provided with the conductive support legs, one side of the low-voltage output gasket is provided with the conductive support legs, and one end of the conductive support legs stretches out of the outer cover.

As a further optimization of the technical scheme, the front transformation module and the rear transformation module are identical in component structure.

As a further optimization of the technical scheme, the copper beads surround the iron core to form a ring wall structure, each copper bead is in contact connection with each other, and the copper beads and the iron core form a transformer winding.

As a further optimization of the technical scheme, the high-voltage input gasket and the low-voltage output gasket form a circular high-low voltage conductive structure.

Advantageous effects

The network transformer integrating the PoE power supply function has the advantages of reasonable design, strong functionality and the following beneficial effects:

the front transformation module and the rear transformation module are identical in component structure, the front transformation module and the rear transformation module can be spliced or separated in series through a front convex-rear concave structure formed by the transformation modules, the power of the network transformation module is increased through the splicing of the front transformation module and the rear transformation module so as to adapt to Ethernet network equipment with larger power requirements, the power of the network transformation module is reduced through the separation of the front transformation module and the rear transformation module so as to adapt to the Ethernet network equipment with smaller power requirements, and therefore the use requirements of different Ethernet network equipment on network transformers with different powers in the market are met;

according to the invention, the first voltage transformation ring and the second voltage transformation ring are connected through the series support, the rear conductive frame is matched with the first voltage transformation ring, the front conductive frame is matched with the second voltage transformation ring, the rear conductive frame is connected with the conductive gasket, and the conductive post is connected with the front conductive frame, so that the front voltage transformation module and the rear voltage transformation module are connected through the connection relation between the conductive post and the conductive gasket, the circumferential diameter formed by the conductive post is slightly smaller than the width of the embedded groove, and the conductive gasket is arranged in the embedded groove, so that the quick butt joint between the conductive post and the embedded groove can be realized;

the iron core is arranged at the central position inside the insulating outer cover, the copper beads are filled inside the insulating outer cover, the copper beads surround the iron core to form a ring wall structure, and the copper beads are mutually contacted and connected;

the invention relates to a circular high-low voltage conductive ring enclosed by a high-voltage input gasket and a low-voltage output gasket, which is connected with an iron core, wherein one side of the high-voltage input gasket is provided with a conductive support leg, one side of the low-voltage output gasket is provided with a conductive support leg, high-voltage current is input from the conductive support leg arranged on one side of the high-voltage input gasket and is transmitted to each copper bead by the iron core, and the low-voltage current is output from the low-voltage output gasket by the iron core through the consumption of the high-voltage current by each copper bead, so that the stability of the current of a circuit board is stabilized.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic top view of a network transformer with integrated PoE power function according to the present invention;

FIG. 2 is a schematic top view of the network transformer module according to the present invention;

FIG. 3 is a schematic top view of a cross-sectional structure of the front transformer module according to the present invention;

FIG. 4 is a schematic top cross-sectional view of the insulating cap of the present invention;

FIG. 5 is a schematic top view cross-sectional structure of the first transformer ring of the present invention;

fig. 6 is a schematic top view of the tandem support of the present invention.

In the figure: mounting hole-1, heat dissipation frame-2, circuit board-3, network transformation module-4, front transformation module-41, insulation cover-41 a, embedded groove-41 a1, rear conduction frame-41 a2, conduction gasket-41 a3, outer cover-41 a4, front conduction frame-41 a5, conduction post-41 a6, first transformation ring-41 b, conduction support-41 b1, insulation outer cover-41 b2, copper bead-41 b3, iron core-41 b4, series support-41 c, high-voltage input gasket-41 c1, low-voltage output gasket-41 c2, conduction leg-41 c3, conduction rod-41 c4, second transformation ring-41 d, heat removal particles-42, rear transformation module-43, network interface-5, interface support-6, heat removal particles-42, network interface-5, and heat removal particles, A golden finger-7.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Examples

Referring to fig. 1-6, the present invention provides an embodiment of a network transformer integrated with PoE power function:

referring to fig. 1, a network transformer integrating PoE power supply function, the structure of which includes a mounting hole 1, a heat dissipation frame 2, a circuit board 3, a network transformer module 4, a network interface 5, an interface bracket 6, and a gold finger 7, wherein the front end of the circuit board 3 is provided with the interface bracket 6, the interface bracket 6 is fastened with the circuit board 3, the interface bracket 6 is provided with three network interfaces 5 in parallel and equidistantly, the network interfaces 5 are fastened with the interface bracket 6, the network interfaces 5 are connected with the circuit board 3, four corners of the circuit board 3 are provided with mounting holes 1, the mounting holes 1 and the circuit board 3 are integrated, one side of the circuit board 3 is provided with the gold finger 7, the gold finger 7 and the circuit board 3 are in interference fit, the rear end of the interface bracket 6 is provided with the network transformer module 4, and the network transformer module 4 is connected with the circuit board 3, the network transformation module 4 is matched with the network interface 5, the rear end of the network transformation module 4 is provided with the heat dissipation frame 2, and the heat dissipation frame 2 is in interference fit with the circuit board 3.

Referring to fig. 2, the network transforming module 4 is composed of a front transforming module 41, heat-dissipating particles 42, and a rear transforming module 43, wherein the rear transforming module 43 is disposed at one end of the front transforming module 41, the front transforming module 41 is movably connected with the rear transforming module 43, the heat-dissipating particles 42 are disposed at the top of the front transforming module 41 and the top of the rear transforming module 43, and the components of the front transforming module 41 and the rear transforming module 43 have the same structure.

Referring to fig. 3, the front transformer module 41 is composed of an insulating cover 41a, a first transformer ring 41b, a series bracket 41c, and a second transformer ring 41d, the series bracket 41c is disposed at the center inside the insulating cover 41a, the series bracket 41c and the insulating cover 41a are in interference fit, the series bracket 41c is provided with a second transformer ring 41d and a first transformer ring 41b from front to back, the first transformer ring 41b and the second transformer ring 41d are in an axisymmetric structure with the symmetry axis of the series bracket 41c, and the first transformer ring 41b and the second transformer ring 41d are connected with the series bracket 41 c.

Referring to fig. 4, the insulating cover 41a is composed of a fitting groove 41a1, a rear conductive frame 41a2, conductive pads 41a3, an outer cover 41a4, a front conductive frame 41a5 and a conductive post 41a6, the outer cover 41a4 is a hollow rectangular structure, two conductive posts 41a6 are arranged in parallel and equidistantly at the front end, the conductive post 41a6 is horizontally and vertically installed at the front end of the outer cover 41a4, the front conductive frame 41a5 is arranged inside the outer cover 41a4, the front conductive frame 41a5 is fitted inside the outer cover 41a4, the front conductive frame 41a5 is connected with the conductive post 41a6, two fitting grooves 41a1 are arranged in parallel and equidistantly at the rear end of the outer cover 41a4, conductive pads 41a3 are arranged on two sides of the inner wall of the fitting groove 41a1, the rear conductive pad 41a2 is arranged inside the outer cover 41a4, the rear conductive frame 4 is connected with the conductive pads 4 a4 and the conductive pads 4 a4, the rear conductive frame 41a2 is matched with the first voltage transformer ring 41b, and the front conductive frame 41a5 is matched with the second voltage transformer ring 41 d.

Referring to fig. 5, the first transformer ring 41b is composed of a conductive support 41b1, an insulating cover 41b2, a copper bead 41b3, and an iron core 41b4, the bottom of the insulating outer cover 41b2 is provided with a conductive support 41b1, the conductive support 41b1 and the insulating outer cover 41b2 adopt interference fit, the insulating housing 41b2 is a hollow circular structure and the preferred material is a high temperature resistant insulating material, the insulating cover 41b2 is provided with a ferrite core 41b4 at the center inside, the ferrite core 41b4 protrudes from the bottom of the insulating cover 41b2 and penetrates the conductive support 41b1, the conductive support 41b1 is connected with the iron core 41b4, the insulating housing 41b2 is filled with copper beads 41b3, each copper bead 41b3 surrounds the iron core 41b4 to form a circular wall structure, and each copper bead 41b3 is contacted and connected with each other, and the copper beads 41b3 and the iron core 41b4 form a transformer winding.

Referring to fig. 6, the serial bracket 41c is composed of a high voltage input pad 41c1, a low voltage output pad 41c2, a conductive leg 41c3 and a conductive rod 41c4, the front end of the conducting rod 41c4 is provided with a high-voltage input gasket 41c1 and a low-voltage output gasket 41c2, the rear end of the conducting rod 41c4 is provided with a high-voltage input gasket 41c1 and a low-voltage output gasket 41c2, the high-voltage input pad 41c1 and the low-voltage output pad 41c2 form a circular high-voltage and low-voltage conductive structure, the annular high-low voltage conductive ring formed by the high-voltage input gasket 41c1 and the low-voltage output gasket 41c2 is connected with the bottom end of the iron core 41b4, two conductive legs 41c3 are arranged on one side of the high-voltage input pad 41c1 in parallel at equal intervals, two conductive legs 41c3 are arranged on one side of the low-voltage output pad 41c2 in parallel at equal intervals, and one end of each conductive leg 41c3 extends out of the outer cover 41a 4.

The specific realization principle is as follows:

the front transformer module 41 and the rear transformer module 43 of the invention have the same structure, the front transformer module 41 and the rear transformer module 43 can be spliced or separated in series through a front convex-rear concave structure formed by the transformer modules, the power of the network transformer module 4 is increased through the splicing of the front transformer module 41 and the rear transformer module 43 so as to adapt to Ethernet network equipment with larger power demand, the power of the network transformer module 4 is reduced through the separation of the front transformer module 41 and the rear transformer module 43 so as to adapt to Ethernet network equipment with smaller power demand, thereby meeting the use demands of different Ethernet network equipment on network transformers with different powers in the market, because the first transformer 41b and the second transformer 41d are connected through the series bracket 41c, the rear conductive frame 41a2 is matched with the first transformer 41b, the front conductive frame 41a5 is matched with the second transformer 41d, because the rear conductive frame 41a2 is connected with the conductive pad 41a3, and the conductive column 41a6 is connected with the front conductive frame 41a5, the front transformer module 41 and the rear transformer module 43 are connected through the connection relationship between the conductive column 41a6 and the conductive pad 41a3, because the circumferential diameter formed by the conductive column 41a6 is slightly smaller than the width of the fitting groove 41a1, because the conductive pad 41a3 is arranged inside the fitting groove 41a1, the quick butt joint between the conductive column 41a6 and the fitting groove 41a1 can be realized, because the circular high-low voltage conductive ring surrounded by the high-voltage input pad 41c1 and the low-voltage output pad 41c2 is connected with the iron core 41b4, the conductive leg 41c3 is arranged on the high-voltage input pad 41c1 side, the conductive leg 41c3 is arranged on the low-voltage output pad 41c2 side, the high-voltage current is input from the conductive leg 41c3 arranged on the high-voltage input pad 1 side, and is transmitted to the copper beads 3, through the consumption of the copper beads 41b3 on the high voltage current, the low voltage current is outputted from the low voltage output pad 41c2 by the iron core 41b4, thereby stabilizing the stability of the current of the circuit board 3, because the iron core 41b4 is arranged at the central position inside the insulating housing 41b2, the copper beads 41b3 are filled inside the insulating housing 41b2, and each copper bead 41b3 surrounds the iron core 41b4 to form a ring wall structure, and each copper bead 41b3 is connected with each other in contact, when the high voltage current enters into the insulating housing 41b2, the copper beads 41b3 and the iron core 41b4 cooperate to generate electromagnetic induction, the high voltage current surrounds and generates magnetic coupling between each copper bead 41b3, so that the high voltage current is consumed between the structures formed by the iron core 41b4 and the copper beads 41b3, thereby forming the low voltage current output, thereby isolating the chip end on the circuit board 3 from the outside, the anti-interference capability is greatly enhanced, through the structural arrangement of the network transformer module 4, the problem that the existing network transformer occupies a large space of a mainboard, so that the size of Ethernet network equipment is large, the power requirement is correspondingly large, and the characteristics of small power and miniaturization of the existing Ethernet network equipment such as a PoE camera cannot be met can be solved.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (2)

1. The utility model provides an integrated network transformer of PoE power function, its structure includes mounting hole (1), heat dissipation frame (2), circuit board (3), network vary voltage module (4), network interface (5), interface support (6), golden finger (7), its characterized in that:

an interface support (6) is arranged at the front end of the circuit board (3), a network interface (5) is arranged on the interface support (6), mounting holes (1) are formed in four corners of the circuit board (3), a golden finger (7) is arranged on one side of the circuit board (3), a network transformation module (4) is arranged at the rear end of the interface support (6), and a heat dissipation frame (2) is arranged at the rear end of the network transformation module (4);

the network transformation module (4) consists of a front transformation module (41), heat-removal particles (42) and a rear transformation module (43), wherein the rear transformation module (43) is arranged at one end of the front transformation module (41), and the heat-removal particles (42) are arranged at the tops of the front transformation module (41) and the rear transformation module (43);

the front transformer module (41) consists of an insulating cover (41a), a first transformer ring (41b), a series bracket (41c) and a second transformer ring (41d), wherein the series bracket (41c) is arranged in the insulating cover (41a), and the series bracket (41c) is provided with the second transformer ring (41d) and the first transformer ring (41b) from front to back;

the first voltage transformation ring (41b) consists of a conductive support (41b1), an insulating outer cover (41b2), copper beads (41b3) and an iron core (41b4), wherein the bottom of the insulating outer cover (41b2) is provided with a conductive support (41b1), the conductive support (41b1) and the insulating outer cover (41b2) are in interference fit, the insulating outer cover (41b2) is of a hollow circular structure and preferably made of a high-temperature-resistant insulating material, the iron core (41b4) is arranged in the insulating outer cover (41b2) at the center position, the iron core (41b4) extends out of the bottom of the insulating outer cover (41b2) and penetrates through the conductive support (41b1), the conductive support (41b1) is connected with the iron core (41b4), the insulating outer cover (41b2) is filled with the copper beads (41b3), and each copper bead (41b3) surrounds an iron core ring 4, each copper bead (41b3) is contacted and connected with each other, and the copper beads (41b3) and the iron core (41b4) form a transformer winding;

the series bracket (41c) consists of a high-voltage input gasket (41c1), a low-voltage output gasket (41c2), a conductive support leg (41c3) and a conductive rod (41c4), the front end of the conductive rod (41c4) is provided with the high-voltage input gasket (41c1) and the low-voltage output gasket (41c2), the rear end of the conductive rod (41c4) is provided with the high-voltage input gasket (41c1) and the low-voltage output gasket (41c2), the high-voltage input gasket (41c1) and the low-voltage output gasket (41c2) form a circular high-low voltage conductive structure, a circular high-low voltage ring surrounded by the high-voltage input gasket (41c1) and the low-voltage output gasket (41c2) is connected with the bottom end of an iron core (41b4), one side of the high-voltage input gasket (41c1) is provided with two conductive support legs (41c3) in parallel, one side of the low-voltage output gasket (41c2) is provided with two conductive support legs (41c3) in parallel at equal distance, one end of the conductive leg (41c3) extends out of the outer cover (41a 4).

2. A network transformer integrating PoE power supply functionality as recited in claim 1, wherein: insulating boot (41a) by gomphosis recess (41a1), electrically conductive frame (41a2) in back, electrically conductive gasket (41a3), dustcoat (41a4), preceding electrically conductive frame (41a5), electrically conductive post (41a6) constitute, dustcoat (41a4) front end be equipped with electrically conductive post (41a6), dustcoat (41a4) inside be equipped with preceding electrically conductive frame (41a5), dustcoat (41a4) other end be equipped with gomphosis recess (41a1), gomphosis recess (41a1) inner wall on be equipped with electrically conductive gasket (41a 3).

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