ESD (Electro-Static Discharge) protection device of adapter

Abstract

The utility model discloses an ESD (Electro-Static Discharge) protection device of an adapter, which relates to the technical field of electronic equipment and comprises an adapter circuit board body, U-shaped clamping seats are clamped at two ends of the adapter circuit board body, a connecting rod is arranged between the upper ends of the two U-shaped clamping seats, and an electrostatic eliminating circuit board is arranged on the lower end surface of the connecting rod. A diversion line is arranged on the static electricity eliminating circuit board, and drainage columns are fixed to the four corners of the lower end face of the static electricity eliminating circuit board. According to the utility model, static electricity on the adapter circuit board body is conducted to the static electricity eliminating circuit board through the current guiding columns, the static electricity can be released to the transient voltage suppression diodes along the current guiding lines, the transient voltage suppression diodes are rapidly conducted, and static electricity energy is discharged, so that static electricity elimination is realized; therefore, electronic components in the adapter are protected, the antistatic capability of the adapter can be remarkably improved, and the service life of the adapter is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic equipment technical field especially, relates to a kind of ESD protection device of adapter. BACKGROUND

[0002] In the use of modern electronic equipment, the equipment of different interface types is increasingly frequent, and the adapter becomes the key component to realize this connection. However, the electronic equipment is prone to static electricity in daily use, plugging operation or in a particular environment. The high voltage and large current generated by static discharge (ESD) can cause irreversible damage to the internal precision electronic components of the adapter, such as breakdown of semiconductor devices and damage to circuit board lines. This not only causes the adapter to fail, but also may further affect the normal operation of the main device connected thereto, increase the maintenance cost and downtime of the equipment, and reduce the reliability and stability of the entire electronic system. The present application provides an ESD protection device for an adapter. SUMMARY

[0003] To overcome the shortcomings of the prior art, the utility model provides an ESD protection device for an adapter, which can guide the static electricity on the adapter circuit board body to the static electricity removal circuit board through the drainage column. The static electricity can be discharged to the transient voltage suppression diode along the drainage circuit, and the transient voltage suppression diode quickly conducts to discharge the static electricity energy, thereby eliminating static electricity and protecting the internal electronic components of the adapter. This can significantly improve the anti-static capability of the adapter and prolong its service life.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] An ESD protection device for an adapter includes an adapter circuit board body, a U-shaped bracket is attached to both ends of the adapter circuit board body, a connecting rod is installed between the upper ends of the two U-shaped brackets, a static electricity removal circuit board is installed on the lower end face of the connecting rod, a drainage circuit is provided on the static electricity removal circuit board, and a drainage column is fixed at each corner of the lower end face of the static electricity removal circuit board.

[0006] As a further scheme of the utility model: the four drainage columns are in contact with the surface of the adapter circuit board body and are staggered with the circuits on the adapter circuit board body.

[0007] As a further scheme of the utility model: the static electricity removal circuit board is fixedly connected to the connecting rod by screws.

[0008] As a further scheme of the utility model: a transient voltage suppression diode is installed on the upper end of the connecting rod, and the two pins of the transient voltage suppression diode are electrically connected to the drainage circuit of the static electricity removal circuit board.

[0009] As a further scheme of the utility model: the instant voltage suppression diode is provided with a ceramic insulating plate between the connecting rod, and the ceramic insulating plate is bonded on the connecting rod.

[0010] As a further scheme of the utility model: the bottom side of the two U-shaped clamping bases is fixed with a U-shaped clamping rod, and the adapter circuit board body is clamped in the two U-shaped clamping rods.

[0011] As a further scheme of the utility model: the outer wall side of the two U-shaped clamping bases is fixed with a connecting lug plate, and the connecting lug plate is provided with a fixing hole.

[0012] As a further scheme of the utility model: the two ends of the connecting rod are provided with a bayonet, the upper end face of the two U-shaped clamping bases is fixed with a threaded column, the two bayonets of the connecting rod are clamped on the two threaded columns, a nut is screwed on the top of the threaded column, and a rubber pad is sleeved on the part below the connecting rod.

[0013] The utility model has the advantages of:

[0014] The static electricity on the adapter circuit board body is guided to the static electricity removal circuit board through the drainage column, and the static electricity is released to the instant voltage suppression diode along the drainage circuit, the instant voltage suppression diode is rapidly conducted, and the static electricity energy is discharged, so that the static electricity is eliminated, the electronic elements in the adapter are protected, the anti-static ability of the adapter is improved, and the service life of the adapter is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a first perspective three-dimensional structure schematic view of the ESD protection device of the adapter.

[0016] Figure 2 It is a second perspective three-dimensional structure schematic view of the ESD protection device of the adapter.

[0017] Figure 3 It is a third perspective three-dimensional structure schematic view of the ESD protection device of the adapter.

[0018] Figure 4 It is a third perspective three-dimensional structure schematic view of the ESD protection device of the adapter. Figure 3 It is an enlarged structure schematic view of the middle A of the ESD protection device of the adapter.

[0019] In the figure: 1, adapter circuit board body; 2, U-shaped clamping seat; 3, ceramic insulating plate; 4, transient voltage suppression diode; 5, static elimination circuit board; 6, connecting lug; 7, connecting rod; 8, U-shaped clamping rod; 9, fixing hole; 10, screw; 11, flow guide column; 12, threaded column; 13, bayonet; 14, nut; 15, rubber pad. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Embodiment 1, refer to Figures 1-4 An ESD protection device of an adapter includes an adapter circuit board body 1, U-shaped clamping seats 2 are clamped at both ends of the adapter circuit board body 1, a connecting rod 7 is installed between the upper ends of the two U-shaped clamping seats 2, a static elimination circuit board 5 is installed on the lower end face of the connecting rod 7 through a screw 10, the static elimination circuit board 5 is provided with a flow guide circuit, flow guide columns 11 are fixed at the four corners of the lower end face of the static elimination circuit board 5, the four flow guide columns 11 are in contact with the surface of the adapter circuit board body 1 and are staggered with the circuits on the adapter circuit board body 1;

[0022] A transient voltage suppression diode 4 is installed on the upper end of the connecting rod 7, the two pins of the transient voltage suppression diode 4 are electrically connected with the flow guide circuit of the static elimination circuit board 5, a ceramic insulating plate 3 is interposed between the transient voltage suppression diode 4 and the connecting rod 7, and the ceramic insulating plate 3 is bonded on the connecting rod 7;

[0023] U-shaped clamping rods 8 are fixed at one side of the bottom of the two U-shaped clamping seats 2, the adapter circuit board body 1 is clamped in the two U-shaped clamping rods 8 to effectively limit the adapter circuit board body 1;

[0024] Connecting lug 6 is fixed at one side of the outer wall of the two U-shaped clamping seats 2, fixing holes 9 are formed in the two connecting lug 6, and the U-shaped clamping seat 2 can be fixed to the adapter shell through the screw from the fixing hole 9.

[0025] The static electricity on the adapter circuit board body 1 is guided to the static elimination circuit board 5 through the flow guide column 11, the static electricity is released to the transient voltage suppression diode 4 along the flow guide circuit, the transient voltage suppression diode 4 is rapidly turned on to discharge the static electricity energy, thereby realizing the elimination of static electricity, protecting the electronic elements in the adapter, significantly improving the anti-static ability of the adapter, and prolonging the service life of the adapter.

[0026] Embodiment 2, this embodiment is optimized on the basis of embodiment 1, specifically:

[0027] The two ends of the connecting rod 7 are provided with the bayonets 13, the upper end faces of the two U-shaped clamping bases 2 are fixedly provided with the threaded columns 12, the two bayonets 13 of the connecting rod 7 are clamped on the two threaded columns 12 respectively, the top of the threaded column 12 is screwed with the nut 14, and the position of the threaded column 12 below the connecting rod 7 is sleeved with the rubber pad 15.

[0028] The rubber pad 15 can avoid the hard fixation of the connecting rod 7 and prevent the connecting rod 7 from being damaged during assembly.

[0029] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An ESD protection device for a dongle, comprising a dongle circuit board body (1), characterized in that, The both ends of the adapter circuit board body (1) are clamped with U-shaped clamping seat (2), the upper end of two U-shaped clamping seat (2) is installed with connecting rod (7), the lower end surface of connecting rod (7) is installed with static electricity removing circuit board (5), static electricity removing circuit board (5) is provided with flow guide circuit, the lower end surface of static electricity removing circuit board (5) is fixed with drainage column (11) at four corners.

2. An ESD protection device for a connector according to claim 1, wherein Four drainage columns (11) are in contact with the surface of adapter circuit board body (1) and are staggered with the circuit on the adapter circuit board body (1).

3. An ESD protection device for a connector as claimed in claim 1, wherein The static electricity removing circuit board (5) is fixedly connected with the connecting rod (7) through the screw (10).

4. The ESD protection device for a connector according to claim 1, wherein The upper end of the connecting rod (7) is installed with transient voltage suppression diode (4), the both ends of the transient voltage suppression diode (4) are electrically connected with the flow guide circuit of the static electricity removing circuit board (5).

5. An ESD protection device for a connector as claimed in claim 4, wherein The transient voltage suppression diode (4) is padded with ceramic insulating plate (3) between the connecting rod (7), and the ceramic insulating plate (3) is bonded on the connecting rod (7).

6. An ESD protection device for a connector as recited in claim 1, wherein The bottom side of two U-shaped clamping seat (2) is fixed with U-shaped clamping rod (8), the adapter circuit board body (1) is clamped in two U-shaped clamping rod (8).

7. An ESD protection device for a connector as recited in claim 1, wherein The outer wall side of two U-shaped clamping seat (2) is fixed with connecting lug plate (6), the both sides of two connecting lug plate (6) are provided with fixing hole (9).

8. An ESD protection device for a connector as recited in claim 1, wherein The both ends of the connecting rod (7) are provided with bayonet (13), the upper end surface of two U-shaped clamping seat (2) is fixed with threaded column (12), and the both bayonets (13) of connecting rod (7) are clamped on two threaded columns (12), the top of threaded column (12) is screwed with nut (14), and the part of threaded column (12) below connecting rod (7) is sleeved with rubber pad (15).

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