Anti-electromagnetic interference network transformer

Abstract

The utility model discloses an anti-electromagnetic interference network transformer which comprises a network transformer body and a mounting base, the network transformer body and the mounting base are connected through a buckle, the mounting base is of a rectangular frame structure, and a plurality of welding pins are arranged on the front side edge and the rear side edge of the mounting base respectively. The upper end surface of the mounting base is provided with plugging holes corresponding to the welding pins, the plugging holes are internally provided with metal sheets communicated with the welding pins, the bottom of the network transformer body is provided with plugging pins corresponding to the plugging holes, the plugging pins are plugged in the plugging holes in a matched manner and are communicated with the metal sheets, and the plugging pins are connected with the metal sheets through the metal sheets. Compared with the prior art, the network transformer has the advantages that the network transformer body is connected with the mounting base through the buckles, when the network transformer body is damaged and needs to be replaced, only the network transformer body needs to be separated from the mounting base, and the network transformer body can be replaced conveniently. Buckle connection and separation are convenient, and the circuit board cannot be damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of network transformer devices, in particular to a network transformer that is resistant to electromagnetic interference. Background Art

[0002] Network transformer is a common power equipment, which is used to transform the voltage of AC power into a voltage suitable for different devices. Network transformers are divided into many types according to their performance, and anti-electromagnetic interference network transformer is one of them. Traditional anti-electromagnetic interference network transformer usually adopts an integrated design, that is, the transformer body is welded on the circuit board, but this design has some defects.

[0003] Traditional anti-electromagnetic interference network transformers often directly weld the transformer body to the circuit board. When the transformer body is damaged, the soldering feet need to be removed, which can easily damage the circuit board itself. At the same time, it is difficult to remove the soldering feet and it is not easy to replace them. Utility Model Content

[0004] In order to solve the above-mentioned various problems, the utility model provides a network transformer with anti-electromagnetic interference, aiming at solving the problem of complicated replacement of traditional network transformers.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: an electromagnetic interference resistant network transformer, comprising a network transformer body and a mounting base, the network transformer body and the mounting base are connected by a snap, the mounting base is a rectangular frame structure and has a plurality of welding feet on both front and rear sides, the upper end surface of the mounting base is provided with a plug hole corresponding to each welding foot, the plug hole is provided with a metal sheet connected to the welding foot, the bottom of the network transformer body is provided with a plug pin corresponding to each plug hole, the plug pin is matched with the plug hole and the plug pin is connected to the metal sheet, the upper end of the network transformer body is provided with a heat dissipation window, and a dust and water-proof component is provided inside the heat dissipation window.

[0006] Furthermore, buckles are fixedly provided on both left and right sides of the lower end surface of the network transformer body, and a slot is provided on the upper end surface of the mounting base at a position corresponding to the buckle, and the buckle and the slot are matched and connected.

[0007] Furthermore, the dustproof and water-proof component includes a water-proof semi-permeable membrane and a dustproof sponge which are fixed inside the heat dissipation window in sequence from the inside to the outside.

[0008] Furthermore, the plug pin is electrically connected to the internal coil of the network transformer body.

[0009] Compared with the prior art, the utility model has the following advantages:

[0010] 1. The network transformer body is connected to the mounting base through a buckle. When the transformer body is damaged and needs to be replaced, you only need to separate the network transformer body from the mounting base. The buckle connection is easy to separate and will not cause damage to the circuit board.

[0011] 2. The welding feet of the mounting base are connected to the plug pins at the bottom of the network transformer body through the plug holes and connected to the metal sheet to ensure electrical connection.

[0012] 3. A dust and water-proof component is set in the heat dissipation window, which can effectively prevent dust and moisture from entering the network transformer body and improve the reliability and service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional structure diagram of a network transformer that resists electromagnetic interference in the utility model. Figure 1 .

[0014] Figure 2 This is a three-dimensional structure diagram of a network transformer that resists electromagnetic interference in the utility model. Figure 2 .

[0015] Figure 3 The utility model is a schematic diagram of the cross-sectional structure of a network transformer for resisting electromagnetic interference.

[0016] Figure 4 This is a schematic diagram of the explosion structure of a network transformer that resists electromagnetic interference. Figure 1 .

[0017] Figure 5 This is a schematic diagram of the explosion structure of a network transformer that resists electromagnetic interference. Figure 2 .

[0018] As shown in the figure: 1. Network transformer body; 2. Mounting base; 3. Welding feet; 4. Plug holes; 5. Plug pins; 6. Heat dissipation window; 7. Dustproof and waterproof components; 8. Buckle; 9. Card slot; 10. Water-proof semi-permeable membrane; 11. Dust-proof sponge. DETAILED DESCRIPTION

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside", "center", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction structure and operation. Therefore, they should not be understood as limitations on the present invention.

[0020] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "provided with", "installed", "connected", "connected" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0022] Combined with Figure 1 To Attachment Figure 5 A network transformer with anti-electromagnetic interference comprises a network transformer body 1 and a mounting base 2, the network transformer body 1 and the mounting base 2 are connected by a snap, the mounting base 2 is a rectangular frame structure and a plurality of welding feet 3 are arranged on both the front and rear sides, a plug hole 4 is arranged on the upper end surface of the mounting base 2 corresponding to each welding foot 3, a metal sheet connected to the welding foot 3 is arranged inside the plug hole 4, a plug pin 5 is arranged on the bottom of the network transformer body 1 corresponding to each plug hole 4, the plug pin 5 is matched with the plug hole 4 and the plug pin 5 is connected to the metal sheet, a heat dissipation window 6 is arranged on the upper end of the network transformer body 1, and a dustproof and water-proof component 7 is arranged inside the heat dissipation window 6.

[0023] Buckles 8 are fixedly provided on both sides of the lower end surface of the network transformer body 1, and a slot 9 is provided on the upper end surface of the mounting base 2 at a position corresponding to the buckle 8, and the buckle 8 and the slot 9 are matched and connected. The dustproof and water-proof component 7 includes a water-proof semi-permeable membrane 10 and a dustproof sponge 11 fixedly provided inside the heat dissipation window 6 from the inside to the outside. The plug pin 5 is electrically connected to the internal coil of the network transformer body 1.

[0024] The following is the specific working principle of the utility model of a network transformer against electromagnetic interference:

[0025] 1. Prepare the network transformer body 1 and the mounting base 2. The mounting base 2 is a rectangular frame structure, with multiple welding pins 3 on the front and rear sides, and a plug hole 4 corresponding to each welding pin 3 on the upper end surface, and a metal sheet is installed inside the plug hole 4 to connect it with the welding pin 3.

[0026] 2. A plug pin 5 is provided at the bottom of the network transformer body 1 at a position corresponding to each plug hole 4, and the plug pin 5 is ensured to be matched and plugged with the plug hole 4. The plug pin 5 is electrically connected to the coil inside the network transformer body 1.

[0027] 3. A heat dissipation window 6 is provided at the upper end of the network transformer body 1, and a dust and water-proof component is provided inside the heat dissipation window 6. The dust and water-proof component 7 includes a water-proof semipermeable membrane 10 and a dust-proof sponge 11. The water-proof semipermeable membrane 10 and the dust-proof sponge 11 are fixedly installed in sequence inside the heat dissipation window 6, from the inside to the outside.

[0028] 4. Install the network transformer body 1 on the mounting base 2 through the snap connection. Match the snaps 8 on the left and right sides of the lower end surface of the network transformer body 1 with the corresponding slots 9 on the upper end surface of the mounting base 2. This can fix the network transformer body 1 and ensure a firm connection.

[0029] 5. When the network transformer body is damaged, you only need to press the two buckles 8 to disengage the buckles 8 from the card slots 9, then pull out the network transformer body 1 upwards and replace it with a new one. The operation is convenient.

[0030] Through the above embodiments, the snap connection facilitates the replacement and maintenance of the network transformer body, the connection between the plug pins and the welding pins ensures the electrical connection, and the dust and water-proof components in the heat dissipation window can effectively protect the internal circuits. Such a design can improve the reliability and service life of the network transformer, while protecting its circuit board from damage.

[0031] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. An electromagnetic interference resistant network transformer, comprising a network transformer body (1) and a mounting base (2), wherein the network transformer body (1) and the mounting base (2) are connected by a snap-fit, and characterized in that: The mounting base (2) is a rectangular frame structure and is provided with a plurality of welding feet (3) on both the front and rear sides. The upper end surface of the mounting base (2) is provided with a plug hole (4) corresponding to each welding foot (3), and a metal sheet connected to the welding foot (3) is provided inside the plug hole (4). The bottom of the network transformer body (1) is provided with a plug pin (5) corresponding to each plug hole (4), and the plug pin (5) is matched and plugged with the plug hole (4) and the plug pin (5) is connected to the metal sheet. The upper end of the network transformer body (1) is provided with a heat dissipation window (6), and a dust and water-proof component (7) is provided inside the heat dissipation window (6).

2. The electromagnetic interference resistant network transformer according to claim 1, characterized in that: Buckles (8) are fixedly provided on both left and right sides of the lower end surface of the network transformer body (1), and a slot (9) is provided on the upper end surface of the mounting base (2) at a position corresponding to the buckle (8), and the buckle (8) and the slot (9) are matched and snap-connected.

3. The electromagnetic interference resistant network transformer according to claim 1, characterized in that: The dustproof and water-proof component (7) comprises a water-proof semi-permeable membrane (10) and a dustproof sponge (11) which are fixedly arranged inside the heat dissipation window (6) in sequence from the inside to the outside.

4. The electromagnetic interference resistant network transformer according to claim 1, characterized in that: The plug pin (5) is electrically connected to the internal coil of the network transformer body (1).

Images