Electrostatic protection device for component

Abstract

The utility model belongs to the technical field of component electrostatic protection, and discloses a component electrostatic protection device which comprises a metal layer. The component is arranged on the FPC flat cable, the metal layer is also arranged on the FPC flat cable, the metal layer is provided with an open hole, the periphery of the open hole is provided with a plurality of abutting blocks, and the metal layer sleeves the periphery of the component through the open hole and is connected with the side body of the component through the abutting blocks. According to the utility model, components can be ensured to be exposed for use, and the working precision is not affected by electrostatic protection; during electrostatic protection, static electricity of a component shell passes through the abutting block and then passes through the metal layer and the FPC flat cable to be guided to the main board ground wire, and therefore the situation that an external electrostatic field directly interferes with components, and the components are damaged is avoided. The electrostatic protection device can be widely applied to electrostatic protection of various exposed sensor chips.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrostatic protection of components, and particularly relates to an electrostatic protection device for components. Background Art

[0002] In products, in order to better sense the external environment, components (such as sensor chips) are often exposed. However, due to the weak electrostatic protection ability of the components themselves and the lack of grounding of the outer shell, they are easily interfered by electrostatic shock or damaged by electrostatic shock. To ensure that the components have sufficient electrostatic resistance in actual applications, engineers always need to add a metal shielding cover or increase the insulation shielding protection. However, after adding the protection layer, it will affect the direct contact with the environment and reduce the working accuracy of the components. At present, there is a lack of a reliable and durable electrostatic protection device for components to ensure that the components can be exposed for use and the electrostatic protection does not affect their working accuracy.

[0003] Therefore, a new technology is needed to solve the problem that there is a lack of a reliable and durable electrostatic protection device for components in the prior art. Summary of the Utility Model

[0004] To solve the above problems in the prior art, the utility model provides an electrostatic protection device for components, which can ensure that the components can be exposed for use and the electrostatic protection does not affect their working accuracy.

[0005] The utility model adopts the following technical solutions:

[0006] An electrostatic protection device for components includes a metal layer; the component is arranged on an FPC wiring board, the metal layer is also arranged on the FPC wiring board, the metal layer is provided with an opening, and a plurality of abutting blocks are arranged around the opening of the opening. The metal layer is sleeved around the component through the opening and is connected to the side of the component through the abutting blocks.

[0007] Further, the component is a sensor chip.

[0008] Further, the top view profile of the sensor chip is one of a square, a circle, and an octagon.

[0009] Further, the opening is one of a round hole, a square hole, and an octagonal hole.

[0010] Further, the abutting block is a cuboid thin block.

[0011] Further, the metal layer is a copper skin window area.

[0012] Further, there are four abutting blocks, and each abutting block abuts against one side of the component respectively.

[0013] Further, the metal layer is bendably disposed on the FPC wiring and adjacent to the component; after the metal layer is bent, it is sleeved around the component through the opening, and is connected to the side of the component through the abutting block.

[0014] Further, the metal layer is connected to the motherboard ground wire through the FPC wiring.

[0015] Further, the whole of the FPC wiring is configured by one or more of a straight line segment, an arc segment, and a broken line segment.

[0016] In some embodiments,

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] An electrostatic protection device for a component of the present utility model includes a metal layer; the component is disposed on the FPC wiring, and the metal layer is also disposed on the FPC wiring. The metal layer is provided with an opening, and a plurality of abutting blocks are provided on the periphery of the opening. The metal layer can be sleeved around the component through the opening and is connected to the side of the component through the abutting block. This design can ensure that the component is used exposed and the electrostatic protection does not affect its working accuracy; during electrostatic protection, the static electricity on the outer shell of the component passes through the abutting block, then through the metal layer and the FPC wiring, and is guided to the motherboard ground wire, thereby preventing the external electrostatic field from directly interfering with the component and causing damage to the component. The present utility model can be widely applied to the electrostatic protection of various exposed sensor chips. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following further describes the technology of the present utility model in detail with reference to the drawings and specific embodiments:

[0020] Figure 1 is a three-dimensional schematic diagram of the electrostatic protection device for a component of the present invention;

[0021] Figure 2 is a top view of the electrostatic protection device for a component of the present invention;

[0022] Figure 3 is Figure 2 the right view of

[0023] Figure 4 is Figure 2 the front view of

[0024] Reference Signs:

[0025] 1 - Metal layer (or bare copper foil); 11 - Opening; 12 - Abutting block;

[0026] 2 - Component; 21 - Sensor chip;

[0027] 3 - FPC wiring. Detailed implementation manners

[0028] The following will clearly and completely describe the concept, specific structure and technical effects generated by the present utility model in conjunction with the embodiments and the drawings, so as to fully understand the purpose, solution and effects of the present utility model. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The same reference numerals used throughout the drawings indicate the same or similar parts.

[0029] It should be noted that, unless otherwise specified, when a feature is referred to as "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or indirectly fixed or connected to the other feature. In addition, the up, down, left, right, etc. descriptions used in the present utility model are only relative to the mutual positional relationship of the components of the present utility model in the drawings.

[0030] Referring to Figures 1 to 4 , an electrostatic protection device for components, includes a metal layer 1; a component 2 is arranged on an FPC cable 3 to achieve electrical connection of the component 2; the metal layer 1 is also arranged on the FPC cable 3, the metal layer 1 is provided with an opening 11, and a plurality of abutting blocks 12 are arranged around the circumference of the opening 11. The metal layer 1 is sleeved around the component 2 through the opening 11 and is connected to the side of the component 2 through the abutting blocks 12. Among them, the FPC cable is also called a flexible circuit board.

[0031] Referring to Figures 1 to 4 , in one embodiment, the component 2 is a sensor chip.

[0032] In one embodiment, the top view profile of the sensor chip is one of a square, a circle, and an octagon.

[0033] In one embodiment, the opening 11 is one of a round hole, a square hole, and an octagonal hole; this design can ensure that the opening 11 can be sleeved into the sensor chip with the corresponding top view profile.

[0034] Referring to Figures 1 to 4 , in one embodiment, the abutting block 12 is a rectangular thin block.

[0035] In one embodiment, the metal layer 1 is a copper foil window area (the copper foil window area is the exposed copper foil provided on the FPC cable).

[0036] Referring to Figures 1 to 4 , in one embodiment, there are four abutting blocks 12, and each abutting block 12 abuts against one side of the component 2 respectively; the abutting block 12 is also a part of the exposed copper foil.

[0037] Referring toFigures 1 to 4 In one embodiment, the metal layer 1 is bendably disposed on the FPC cable 3 and adjacent to the component 2. After the metal layer 1 is bent, it is sleeved around the component 2 through the opening 11 and connected to the side of the component 2 through the abutting block 12.

[0038] In one embodiment, the metal layer 1 is connected to the motherboard ground wire through the FPC cable 3.

[0039] In one embodiment, the whole of the FPC cable 3 is configured by one or more of a straight line segment, an arc segment, and a broken line segment.

[0040] An electrostatic protection device for components of the present utility model is reliable and durable, can improve the reliability of the components, and ensure the working accuracy of the components.

[0041] For other contents of the electrostatic protection device for components of the present utility model, reference may be made to the prior art and will not be elaborated herein.

[0042] The above are only the preferred embodiments of the present utility model and do not impose any form of limitation on the present utility model. Therefore, any modifications, equivalent changes, and decorations made to the above embodiments based on the technical essence of the present utility model without departing from the content of the technical solution of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. An electrostatic protection device for components, characterized in that, It includes a metal layer; components are provided on the FPC wiring, and the metal layer is also provided on the FPC wiring. The metal layer is provided with an opening, and a number of abutting blocks are provided around the perimeter of the opening. The metal layer is sleeved around the component through the opening and is connected to the side of the component through the abutting blocks; The abutting block is a rectangular thin block; The metal layer is bendably provided on the FPC wiring and is adjacent to the component; after the metal layer is bent, it is sleeved around the component through the opening and is connected to the side of the component through the abutting blocks.

2. The electrostatic protection device for components according to claim 1, characterized in that, The component is a sensor chip.

3. The electrostatic protection device for components according to claim 2, characterized in that, The top view contour of the sensor chip is one of a square, a circle, and an octagon.

4. The electrostatic protection device for components according to claim 3, characterized in that, The opening is one of a round hole, a square hole, and an octagon hole.

5. The electrostatic protection device for components according to claim 1, characterized in that, The metal layer is a copper clad window area.

6. The electrostatic protection device for components according to claim 1, wherein, There are four abutting blocks, and each abutting block abuts against one side of the component.

7. The electrostatic protection device for components according to claim 1, wherein, The metal layer is connected to the main board ground wire through the FPC wiring.

8. The electrostatic protection device for components according to any one of claims 1 to 7, characterized in that The overall FPC wiring is configured by one or more of a straight line segment, an arc segment, and a broken line segment.

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