KR20060023060A - A static electricity leading structure for electronic appliances - Google Patents

Abstract

The present invention relates to an electrostatic induction structure of an electronic product. The present invention forms a space provided with a main board 30 therein and at least a cabinet 20 for forming a lower exterior, and is installed at the rear end of the cabinet 20 to shield the space and form a rear exterior. Port 32 provided on the main board 30 to be installed in the back plate 24 formed through the through-hole 24 'of the shape and the through-hole 24' of the back plate 24 And a port frame 40 having a port window 45 and a card channel 42 for exposing the expansion card 37, and one side of the port frame 40 hangs and the other side of the cabinet 20 It is composed of a metal shield plate 50 is fixed by the elastic force between the port frame 40 and grounding the port 32 to the cabinet 20. According to the electrostatic induction structure of the electronic product according to the present invention having the configuration as described above it is possible to safely ground the static electricity coming through the port in a simple configuration.

Electronics, Static, Induction, Ground

Description

Static electricity leading structure for electronic appliances

1 is a perspective view showing a back configuration of an electronic product according to the prior art.

Figure 2 is a perspective view schematically showing the internal configuration of the electronic product employing a preferred embodiment of the electrostatic induction structure according to the present invention.

Figure 3a is a partial plan view showing the main portion of the embodiment of the present invention.

Figure 3b is a partial rear view showing the main structure of the embodiment of the present invention.

Figure 3c is a partial side view showing the main portion of the embodiment of the present invention.

Figure 4 is a perspective view showing a port frame constituting an embodiment of the present invention.

Figure 5 is a perspective view showing the configuration of the shield plate constituting an embodiment of the present invention.

Figure 6 is a process diagram showing the mounting of the shield plate to the slot panel in the embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

20: cabinet 22: top cover

24: back plate 24 ': through hole

30: main board 32: port

35: card slot 40: port frame                 

41: frame body 41 ': mounting plate

42: card channel 45: port window

47: hanger 50: shield plate

51: main body 52: port through

53: finger 55: hanger

56: hanger 57: elastic hanger

58: tip bend

The present invention relates to an electronic product, and more particularly to an electrostatic induction structure of the electronic product to prevent the static electricity is induced to the main substrate through a port disposed on the back of the electronic product.

In the present specification, the electronic product corresponds to having a port for connecting to a peripheral device, for example, a computer, a DVR, an audio device, and the like.

1 schematically shows a rear configuration of an electronic product according to the prior art. According to this, the cabinet 1 is formed on the lower surface and both sides of the electronic product, and the front plate 3 is provided at the front end of the cabinet 1 to form the front appearance of the electronic product. The top cover 5 is provided on the upper surface of the cabinet 1 to cooperate with the cabinet 1 to form an internal space of the electronic product.

A rear plate 7 is provided on the rear surface of the cabinet 1. The rear plate 7 forms the rear appearance of the electronic product. The back plate 7 is provided with a port portion 9 in which a plurality of ports are arranged. The port of the port unit 9 is connected to the external device of the electronic product.

The back plate 7 is formed so that the card channel 10 is opened. The card channel 10 is a portion for exposing the expansion card installed on the main board (not shown) to the outside of the rear plate (7). The card channel 10 is shielded by a separate dummy bracket (not shown) when the expansion card is not installed.

However, the electronic products according to the related art as described above have the following problems.

That is, the port 9 is a part for connecting with an external device, and a connector is connected. In addition, the user's hand is often touched to connect and disconnect the connector. Therefore, static electricity is transferred to the inside of the electronic product through the port part 9. As such, when the static electricity is transferred to the inside of the electronic product, a problem occurs that is transmitted to the main board to damage various important parts.

To prevent this, install a gasket or ground finger to induce static electricity in each port. However, since the port portion 9 has a large number of ports, using a gasket or a grounding finger to ground them one by one has a problem of increasing manufacturing cost and degrading assembly workability.

Accordingly, the present invention is to solve the problems of the prior art as described above, so that the static electricity transmitted through the port of the electronic product is effectively grounded rather than transferred to the motherboard.

Another object of the present invention is to ground the static electricity transmitted through the port of the electronic product in a simple configuration.

According to a feature of the present invention for achieving the object as described above, the present invention provides a cabinet that forms a space provided with a main board therein and at least a lower appearance, and is installed at the rear end of the cabinet to shield the space. And a rear plate formed through a through hole having a predetermined shape, and a port window and a card channel for exposing a port provided on the main board and an expansion card. It comprises a port frame provided with, and a metal shield plate of which one side is hooked to the port frame and the other side is fixed by elastic force between the cabinet and the port frame and grounds the port to the cabinet.

The shield plate is a hook that is formed on the body portion is provided with a plurality of port through which the port window is shielded and the port is exposed, and a hook piece is provided on one side of the body portion and the hook hole formed on one side of the port frame And an elastic hook end provided on the opposite side of the hook end to be elastically deformed between the cabinet and the port frame, and formed at an edge of the port through hole to electrically connect the port and the main body to contact the port. It is configured to include a finger that is elastically deformed by being in close contact with the port by the elastic restoring force.

The elastic hook end is bent to have an angle of about 135 ° from the main body portion, the front end is formed a tip bent portion bent in the opposite direction in which the elastic hook end extends.

According to the electrostatic induction structure of the electronic product according to the present invention having the configuration as described above it is possible to safely ground the static electricity coming through the port in a simple configuration.

Hereinafter, a preferred embodiment of an electrostatic induction structure of an electronic product according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a perspective view schematically showing the internal configuration of the electronic product employing a preferred embodiment of the electrostatic induction structure according to the present invention, Figure 3a to Figure 3c is a partial plan view showing a main configuration of the embodiment of the present invention, partial back Figure and partial side view are shown, Figure 4 is a rear perspective view of the configuration of the port frame constituting an embodiment of the present invention, Figure 5 is a perspective view of the configuration of the shield plate.

As shown in the figures, the cabinet 20 mainly constitutes the bottom and both sides of the electronics. A front plate (not shown) is installed at the tip of the cabinet 20 to form a front appearance of the electronic product. The top cover 22 forms an upper appearance of the electronic product. The top cover 22 has an area and a shape corresponding to the bottom plate of the cabinet 20. At the rear end of the cabinet 20, a back plate 24 is formed to form the back of the electronic product.

The main board 30 is installed inside the electronic product and on the bottom plate of the cabinet 20. The main board 30 is provided with various circuits and components constituting electronic products. Port 32 is mounted on one side of the main board 30. The port 32 is for connecting an electronic device with an external device. In general, the port 32 is provided on one side of the main board 30 to form a group. The port 32 is exposed to the outside of the electronic product through the back plate 24.

A plurality of card slots 35 are installed on the main board 30. The card slot 35 is provided with an expansion card 37 for extending the function of the electronic product. The expansion card 37 is configured by mounting necessary components on a printed circuit board, and is provided with another port for connecting with an external device. That is, a card bracket 38 is provided at one side of the printed circuit board of the expansion card 37. The card bracket 38 is installed in the card channel 42 to be described below to be exposed to the outside of the rear plate 24.

The through part 24 ′ is formed in a predetermined shape through the rear plate 24. The through portion 24 ′ is made in a substantially '┘' shape in this embodiment. That is, it is composed of a portion where the port 32 is exposed and a portion where the card bracket 38 is located. Here, the portion where the card bracket 38 is provided is formed to have a relatively high height. For convenience of description, a portion corresponding to the through part 24 ′ is indicated as an area A in FIG. 3B.                     

The port frame 40 is installed in the through portion 24 ′ of the rear plate 24. The frame body 41 constituting the port frame 40 is formed in a shape corresponding to the edge of the through-hole 24 'to reinforce the edge of the through-hole 24'. The frame body 41 is made by pressing a metal plate, and the portion except the edge is formed to be relatively recessed, and the port 32 or the card bracket at a position recessed from the outer surface of the rear plate 24. Make sure there is a port at (38). That is, the port 32 does not protrude further than the outer surface of the rear plate 24.

A plurality of mounting pieces 41 ′ for mounting on the rear plate 24 surrounding the edge of the frame body 41 are provided. The mounting piece 41 'is fastened to the rear plate 24 by riveting. However, this is not necessarily the case, and screwing is also possible.

A plurality of card channels 42 are formed in the frame body 41. The card channels 42 are formed in plural in the vertical direction of the frame body 41. As shown in FIG. 2, the card brackets 38 of the expansion card 37 are installed in the card channel 42 to be exposed to the outside. In the card channel 42 in which the expansion card 37 is not used, a dummy bracket 43 is installed to shield the card channel 42.

A port window 45 is formed at a relatively low portion of the frame body 41. The port window 45 is formed through the frame body 41. A plurality of hook holes 47 are drilled on the upper surface of the port frame 40 corresponding to the port window 45.                     

Meanwhile, the shield plate 50 is used for grounding the ports 32 exposed through the port window 45 of the frame body 41. The shield plate 50 is made of a metal plate, the body portion 51 is formed to have a larger area than at least the port window 45. The main body 51 is to shield the port window 45, a plurality of port through holes 52 for the exposure of the port 32 is perforated. The ports 32 are exposed to the outside through the port through holes 52.

A plurality of fingers 53 are provided at the edges of the port through holes 52, respectively. The finger 53 is configured to be in electrical contact with a portion of the port 32 which is not coupled to a connector of an external device. The finger 53 is elastically deformable to have an elastic force when coupled to the port 32. That is, the finger 53 is bent at a predetermined angle toward the inside of the main body portion 51, as shown in FIG. 3A, and exerts an elastic force due to elastic deformation upon contact with the port 32.

The upper end of the main body 51 is provided with a hook end 55 that is hooked to a portion of the frame body 41 in which the hook hole 47 is punched. The hook end 55 is formed to be bent long to have a predetermined width on the upper end of the main body portion (51). The hook end 55 is provided with a hook piece 56 inserted into the hook hole 47.

An elastic hook end 57 is formed on the opposite side of the hook end 55. The elastic hook stage 57 is inserted into the gap between the port frame 40 and the cabinet 20 is configured to exert an elastic force. That is, it is bent to have an angle of about 135 degrees without being perpendicular to the body portion 51.                     

A tip bent portion 58 is formed at the tip of the elastic hanger 57. The tip bent portion 58 is such that the tip of the elastic hanger 57 is bent 180 ° in the opposite direction to the extending direction so that the sharp portion of the metal plate does not form the tip of the elastic hanger 57. The tip bent portion 58 such that the elastic hook end 57 can be more easily inserted between the port frame 40 and the cabinet 20.

Hereinafter, the operation of the electrostatic induction structure of the electronic product according to the present invention having the configuration as described above in detail.

First, the assembling of the shield plate 50 will be described. The port frame 40 is installed on the rear plate 24. That is, the mounting piece 41 'of the port frame 40 is positioned at a position corresponding to the edge of the through part 24' and fastened through riveting.

Next, it will be described that the shield plate 50 is installed to shield the port window 45 of the port frame 40. The hook piece 56 formed at the hook end 55 of the shield plate 50 is inserted into the hook hole 47 of the port frame 40.

And, as shown in Figure 6, while the main body 51 is seated in the port window 45, the elastic hook end 57 between the gap between the port frame 40 and the cabinet 20 Insert That is, while the main body 51 is rotated with the hook piece 56 hooked on the hook hole 47, the elastic hook end 57 is inserted between the gap between the port frame 40 and the cabinet 20. It is. At this time, the front end bent portion 58 of the elastic hanger 57 allows for smooth insertion between the port frame 40 and the cabinet 20.                     

The elastic hanger stage 57 is elastically deformed when inserted between the port frame 40 and the cabinet 20. Therefore, the elastic hook stage 57 does not escape between the port frame 40 and the cabinet 20 due to its restoring force.

On the other hand, if the main board 30 is mounted to the cabinet 20 in the state in which the shield plate 50 is installed as described above, the ports 32 are each of the shield plate 50 It is exposed to the outside through the port through hole 52 formed in the body portion (51).

In this case, the fingers 53 are electrically connected to the ports 32 with elastic force. Accordingly, the shield plate 50 is electrically connected to the ports 32 and the fingers 53, and is electrically connected to the port frame 40 by the hook end 55. In addition, the elastic hanger 57 is electrically connected to the cabinet 20. That is, the shield plate 50 serves to ground the ports 32 to the cabinet 20.

Therefore, when the static electricity is transferred to the port 32 in the process of inserting the connector of the external device into the port 32, the cabinet 20 through the finger 57, the main body 51 and the elastic hook end (57). Static electricity is induced and grounded.

The rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and those skilled in the art can make various modifications and adaptations within the scope of the claims. It is self-evident.

In the electrostatic induction structure of the electronic product according to the present invention as described in detail above, the following effects can be obtained.

In the present invention, one shield plate is electrically connected to a plurality of ports so as to be grounded to a cabinet. Therefore, the static electricity transferred to the port can be effectively grounded without being transferred to the motherboard, thereby preventing the components of the motherboard from being damaged by the static electricity.

In addition, in the present invention, since a plurality of ports are grounded with one shield plate, the number of parts for grounding is relatively reduced, thereby reducing the total number of parts and simplifying the assembly process.

In addition, since the shield plate performs the grounding while shielding the entire port window of the port frame, the ground area associated with the port can be maximized, so that the grounding of the port can be more reliably performed.

Claims (3)

A cabinet which forms a space in which the main board is provided and which forms at least a lower exterior thereof; A rear plate installed at a rear end of the cabinet to shield the space and form a rear exterior, and having a through-hole formed in a predetermined shape; A port frame installed in the through-hole of the rear plate and having a port window and a card channel for exposing the port provided on the main board and the expansion card; The electrostatic induction structure of the electronic product, characterized in that it comprises a shield plate made of a metallic material that one side is hanged on the port frame and the other side is fixed by an elastic force between the cabinet and the port frame and ground the port to the cabinet . The method of claim 1, wherein the shield plate, A main body part which shields the port window and is provided with a plurality of port holes through which the port is exposed; A hook end provided at one side of the main body part and having a hook piece formed on a hook hole formed at one side of the port frame; An elastic hook end provided on the opposite side of the hook end and walked in an elastically deformed state between the cabinet and the port frame; Electrostatic induction structure of the electronic product, characterized in that it comprises a finger that is formed at the edge of the port through the port to electrically connect the port and the main body portion is elastically deformed by contact with the port is in close contact with the port by the elastic restoring force. The method of claim 2, wherein the end of the elastic hook is bent to form an angle of about 135 ° from the body portion, the front end is characterized in that the front end is bent in the opposite direction extending the elastic hook end Electrostatic induction structure of electronic products.

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