KR101295050B1 - Printed circuit board having shield unit and mobile terminal mounted the same - Google Patents

Abstract

The present invention relates to a printed circuit board having a shielding unit and a portable terminal equipped with the shielding unit, the portable terminal equipped with a printed circuit board having a shielding unit according to an embodiment of the present invention comprises at least one terminal A main body; A printed circuit board mounted to the main body and having a ground portion formed to partition at least one or more elements into at least one shielding area; And a shielding unit mounted to the shielding area of the printed circuit board, wherein the shielding unit includes a plurality of fastening units coupled to the ground portion; It may be configured to include a cover unit coupled to the fastening unit.

Through such a configuration, the present invention can configure a shielding unit that is easily detachable to a shielding area partitioned in units of blocks in order to shield electromagnetic waves, and modified shielding even when the shielding area is designated again due to a design change of a product. The area can be flexibly applied without significantly modifying the configuration of the shielding unit, and on the other hand, there is an advantage that the deformation of the additional mold can be reduced.

Electromagnetic wave, shielding, grounding, printed circuit board, fastening unit, cover unit, portable terminal

Description

Printed circuit board with shielding unit and mobile terminal equipped with the shielding unit {PRINTED CIRCUIT BOARD HAVING SHIELD UNIT AND MOBILE TERMINAL MOUNTED THE SAME}

1 is a view showing a portable terminal having a printed circuit board on which a shielding unit is mounted according to an embodiment of the present invention.

FIG. 2 is a conceptual view illustrating a shielding zone formed to allow a shielding unit to be mounted in a block unit on a printed circuit board.

Figure 3a is a view showing an embodiment of a fastening unit constituting a shield unit.

Figure 3b is a view showing another embodiment of the fastening unit constituting the shield unit.

Figure 4a is a view showing another embodiment of a fastening unit constituting a shield unit.

Figure 4b is a view showing another embodiment of a fastening unit constituting a shield unit.

5a to 5c are views showing various modified embodiments of the support constituting the fastening unit.

6 is a perspective view showing an embodiment of a cover unit constituting the shielding unit.

7A to 7C are partial cross-sectional views illustrating a structure in which the cover unit illustrated in FIG. 6 is coupled to the fastening unit illustrated in FIGS. 5A to 5C.

8 is a view showing a mobile terminal having a printed circuit board equipped with a shielding unit according to an embodiment of the present invention.

* Description of the main parts of the drawings *

10 ... Mobile terminal 11 ... Printed circuit board

12 ... ground 13a, 13b, 13c, 13d, 13e ... shielded area

100 ... shielding unit 110,110-1,110-2,110-3 ... tightening unit

111,111-1 ... Base 112 ... Partition Wall

113a, 113b ... fastening wall 114a, 114b ... fitting groove

115a, 115b, 115a-1, 115b-1, 115a-2, 115b-2

120 ... cover unit 121 ... shield

121a ... heat dissipation hole 121b ... adsorption part

122 ... fasteners

The present invention relates to a printed circuit board having a shielding unit and a portable terminal equipped with the same.

In general, a portable terminal is a device configured to enable a user to use certain functions included in the terminal while being configured to enable communication with a specific person and / or to move. Such a terminal transmits a call signal including a unique number designated to a receiver's terminal to a terminal of a specific counterpart via a means (or an intermediary means) such as a base station, and transmits a response to the call signal transmitted in this way to the terminal of the specific counterpart. It can also be configured to receive from.

Such portable terminals are known to emit electromagnetic waves due to various electric / electronic devices provided therein. On the other hand, since these electromagnetic waves start to be recognized as harmful to the human body, various methods for blocking electromagnetic waves emitted have been proposed.

Among the proposed techniques, a method of applying an electromagnetic shielding coating (EMI coating) to the terminal case or a barrier wall coated with the electromagnetic shielding coating on the case has been proposed.

In this manner, there was a problem that the variation in performance was very large because the electromagnetic wave shielding paint to be applied is not uniformly applied, and it was very difficult to improve such a problem.

In order to solve such a problem, a shielding technique called a shield can has been proposed as another electromagnetic shielding technique. Conventional shield can electromagnetic shielding technology has improved performance variation compared to the case of using electromagnetic shielding paint, and there are many improvements in manufacturing cost and process, but for the modification of the overall shield can structure when changing the design of the product There was a problem that the mold must be rebuilt. On the other hand, if the work such as debug for the repair of the product has a problem that it is difficult to remove the shield can structure.

On the other hand, one object of the present invention is to facilitate the installation and detachment of the shielding unit for the shielding area designated in units of blocks to shield the electromagnetic waves.

Another object of the present invention is to provide a shielding unit that can be flexibly applied to the modified shielding area even when the shielding area is redesignated due to the design change of the product.

Yet another object of the present invention is to provide a shielding unit that enables easier repair process of a product such as debug.

The present invention solves the above problems and provides a printed circuit board having a shielding unit and a portable terminal equipped with the same in order to achieve the objects according to the present invention.

According to an embodiment of the present invention, a portable terminal equipped with a printed circuit board having a shielding unit includes: a terminal body including at least one; A printed circuit board mounted to any one main body and having a ground portion formed so that at least one or more elements are partitioned into at least one shielded area; And a shielding unit mounted in the shielding area of the printed circuit board, the shielding unit comprising: a plurality of fastening units coupled to the ground portion; It may be configured to include a cover unit coupled to the fastening unit.

A printed circuit board having a shielding unit according to another embodiment of the present invention includes a printed circuit board having a grounding portion formed so that at least one element is partitioned into at least one shielding area; And a shielding unit mounted in the shielding area of the printed circuit board, the shielding unit comprising: a plurality of fastening units coupled to the ground portion; It may be configured to include a cover unit coupled to the fastening unit.

Here, the fastening unit is a base coupled to the ground; A dividing wall extending perpendicular to the base; It may be configured to include a fastening wall extending vertically at one end of the base in a state spaced apart from the partition wall at any one position of the partition wall.

On the other hand, the fastening unit includes a base coupled to the ground portion; A dividing wall extending perpendicular to the base; It may be configured to include a fastening wall extending vertically at both ends of the base in a state spaced apart from the partition wall at both sides of the partition wall.

On the other hand, the fastening unit has a base coupled to the ground; A plurality of dividing walls extending vertically at regular intervals along the longitudinal direction of the base; It may be configured to include a fastening wall extending vertically at one end of the base in a state spaced apart from the partition wall at any one position of each partition wall.

On the other hand, the fastening unit has a base coupled to the ground; A plurality of dividing walls extending vertically at regular intervals along the longitudinal direction of the base; It may be configured to include a plurality of fastening walls extending vertically at both ends of the base in a state spaced apart from the partition wall at both sides of each partition wall.

On the other hand, the fastening unit may be coupled to the ground portion with a conductive material of the heat-sealing material.

Here, the fitting groove may be formed between the dividing wall and the fastening wall, or may be configured to further include a support at the end of the fastening wall.

In addition, the support portion may be configured to form a contact in a straight line when the cover unit is coupled, when the cover unit is coupled, may be configured to form a contact in two straight shapes, when the cover unit is coupled It may be configured to form a contact at both side positions.

On the other hand, the cover unit and the shield; It may be configured to include a fastening portion extending from each edge of the shield. Here, the shielding portion may have a plurality of heat dissipation holes formed therein or an adsorption portion may be formed at a central position.

In order to help the understanding of the features of the present invention as described above will be described with respect to the printed circuit board and the portable terminal equipped with a shielding unit according to the present invention through the embodiments of the present invention.

The embodiments described below will be explained on the basis of the embodiments best suited for understanding the technical characteristics of the present invention and the technical features of the present invention are not limited by the embodiments described, And the present invention can be practiced as described above. In other words, the present invention is capable of various modifications within the technical scope of the present invention through the embodiments described below, and these modified embodiments are within the technical scope of the present invention.

In order to help the understanding of the embodiments described below, in the reference numerals described in the accompanying drawings, among the components that will perform the same function in each embodiment, the related components are denoted by the same or extension numerals.

Embodiments described below are described on the basis of being composed of a fastening unit and a cover unit in a ground portion configured to form a shielding area in a block unit on a printed circuit board.

1 shows a portable terminal 10 having a printed circuit board on which a shielding unit according to an embodiment of the present invention is mounted. The printed circuit board 11 mounted on the portable terminal 10 is designed such that a plurality of electrical and electronic elements are divided into block units forming a predetermined area. In this way, the electrical and electronic devices are partitioned into block units forming a certain area, that is, the shielding areas 13a, 13b, 13c, 13d, and 13e, by the ground part 12. The ground part 12 is It may be configured to form the ground for the emission of electromagnetic waves shielded by the shielding unit 100 to be described below while configuring the ground of each circuit composed of the electrical and electronic elements.

Emission from each shielded zone 13a, 13b, 13c, 13d, 13e for each shielded zone 13a, 13b, 13c, 13d, 13e partitioned into a plurality of block units by the ground section 12 as described above. At least one shielding unit 100 for shielding electromagnetic waves may be independently configured in each of the shielding areas 13a, 13b, 13c, 13d, and 13e described above.

The shielding unit 100 according to an embodiment of the present invention may be configured to include a fastening unit 110 and a cover unit 120.

The fastening unit 110 may be configured as shown in Figs. 3a and 3b. Referring to the embodiment of the fastening unit 110, as shown in Figure 3a, the base 111 which is electrically connected to the ground portion 12 formed on the printed circuit board 11 is electrically connected ) Is provided to have a predetermined length and a width corresponding to the width of the ground portion 12, and both sides of the dividing wall 112 and the dividing wall 112 extending vertically from the center of the base 111 It may include a fastening wall 113a, 113b extending vertically at both ends of the base 111.

The partition walls 112 and the respective fastening walls 113a and 113b are spaced apart to form a predetermined space to form fitting grooves 114a and 114b. At the ends of the fastening walls 113a and 113b, the support portions 115a and 115b are formed to protrude to the dividing wall 112 positions, respectively.

Each of the fitting grooves 114a and 114b formed by the dividing wall 112 and each of the fastening walls 113a and 113b may include shielding units disposed in adjacent shielding areas 13a to 13e as described below. It is formed to couple the cover unit 120 of 100. That is, the fastening unit 110 of the above-described embodiment is configured so that the cover unit 120 which is configured in one unit unit and disposed in the adjacent shielding areas 13a to 13e may be mounted together.

The embodiment described as described above, when the fastening unit 110 is configured in one unit unit to be connected to the ground portion 12 formed on the printed circuit board 11, each shield as shown in FIG. It can be configured such that an appropriate number of fastening units 110 can be arranged according to the length of the ground portion 12 along the zones 13a to 13e.

3B is a shielding unit 110-1 of another modified embodiment. The fastening unit 110-1 is in contact with the ground portion 12 formed on the printed circuit board 11, as in the above-described embodiment, and the base 111-1 electrically coupled to be electrically connected to a predetermined length. And a width corresponding to the width of the ground portion 12. At this time, the base (111-1) is configured to have a considerable length, unlike the configuration of the fastening unit 110 according to the first embodiment described above.

The partition walls 112 vertically extending from the center portion of the base 111-1 configured as described above are formed to have a plurality of partition walls, each of which has a length of the base 111-1. It is formed in a predetermined length along the direction, each partition wall 112 maintains a state spaced apart from each other by a predetermined distance. In addition, the fastening walls 113a and 113b are formed to extend vertically at both ends of the base 111-1 to both sides of each of the dividing walls 112.

As in the first embodiment, the dividing wall 112 and each of the fastening walls 113a and 113b are spaced apart to form a predetermined space to form fitting grooves 114a and 114b. At the ends of the fastening walls 113a and 113b, the support portions 115a and 115b are formed to protrude to the dividing wall 112 positions, respectively.

The fitting grooves 114a and 114b formed by the dividing wall 112 and each of the fastening walls 113a and 113b are disposed in adjacent shielding areas 13a to 13e as described in the first embodiment. It is formed to join the unit 120. That is, the fastening unit 110-1 is configured to be coupled to any one length of the ground path 12 forming the shielding zone so that the cover unit 120 disposed in the adjacent shielding zones 13a to 13e is mounted together. Can be.

In other words, the embodiment described above is coupled to one length direction of the ground portion 12 formed on the printed circuit board 11 so that the fastening unit 110-1 is composed of one set consisting of a plurality of units. To be possible.

On the other hand, another modified embodiment of the fastening unit may be of a structure in which only one fastening wall is formed in the structure of the fastening unit of the two embodiments described above.

That is, the fastening unit 110-2, which is an embodiment modified as shown in FIG. 4A, is deformed based on the fastening unit 110 shown in FIG. 3A. In more detail, the fastening unit 110-2 has a base 111 that is electrically connected to the ground part 12 formed on the printed circuit board 11 so as to be electrically energized. do. At this time, the base 111 is formed to have a width of half the width of the ground portion 12.

In addition, the fastening unit 110-2 is a partition wall 112 extending vertically at one end of the base 111 and a fastening wall 113 extending vertically at the other end facing the partition wall 112. It may be configured to include). Like the above-described embodiments, the partition wall 112 and each of the fastening walls 113 are spaced apart to form a predetermined space to form the fitting groove 114. The support 115 is formed at the end of each of the fastening walls 113 to protrude to the dividing wall 112.

Unlike the above-described embodiments, the fitting groove 114 formed by the dividing wall 112 and each of the fastening walls 113 is a cover unit of the shielding unit 100 disposed in the single shielding zones 13a to 13e. 120) to form a bond. That is, the fastening unit 110-2 of the above-described embodiment is configured to be mounted in one unit unit so that the cover unit 120 disposed in the single shielding area 13a to 13e can be mounted.

The embodiment described above is such that when the fastening unit (110-2) is configured in one unit unit to be connected to the ground portion 12 formed on the printed circuit board 11, as shown in FIG. An appropriate number of fastening units 110-2 may be arranged according to the length of the grounding part 12 according to each shielding area 13a to 13e.

Meanwhile, as another modified example, as shown in FIG. 4B, the fastening unit 110-3 of one set unit including a plurality of units may be configured.

That is, the fastening unit 110-3, which is an embodiment modified as shown in FIG. 4B, is modified based on the fastening unit 110-1 shown in FIG. 3B. In more detail, the fastening unit 110-3 is in contact with the grounding portion 12 formed on the printed circuit board 11, and the base 111-1 is electrically connected to be electrically connected to a predetermined length. Is formed.

At this time, the base (111-1) is configured to have a considerable length, unlike the configuration of the fastening unit 110 according to the first embodiment described above, while having a width of half the width of the ground portion 12 It is formed to have.

The partition wall 112 vertically extending from one end of the base 111-1 configured as described above is formed to have a plurality of partitions, each of the plurality of partition walls 112 of the base 111-1. A predetermined length is formed along the longitudinal direction, and each of the dividing walls 112 maintains a state spaced apart from each other by a predetermined distance. In addition, at the other end of the base 111-1 facing each of the dividing walls 112, a fastening wall 113 is formed to extend vertically at both ends of the base 111-1.

As in the above embodiments, each of the dividing walls 112 and each of the fastening walls 113 is spaced apart to form a predetermined space to form the fitting groove 114. The support 115 is formed at the end of each of the fastening walls 113 to protrude to the dividing wall 112.

The fitting groove 114 formed by the dividing wall 112 and the fastening wall 113 is formed to join the cover unit 120 disposed in the independent single shielding zones 13a to 13e. That is, the fastening unit (110-3) is configured to be coupled to any one length of the ground path 12 to form a shielding zone cover unit 120 is disposed in the independent single shielding zone (13a to 13e) Can be mounted.

The above-described embodiment allows the fastening unit 110-3 to be constituted by one set consisting of a plurality of units so that the fastening unit 110-3 may be coupled to one length direction of the ground part 12 formed on the printed circuit board 11. do.

5A to 5C are views illustrating various modified embodiments of the respective support parts 115 and 115a constituting the fastening units 110, 110-1, 110-2, and 110-3 of the above-described embodiments. Here it is described on the basis of the fastening unit 110 according to the first embodiment described above. However, various modified embodiments of the support 115a described below are applicable to each of the fastening units 110, 110-1, 110-2, and 110-3 described above.

First, as shown in FIG. 5A, the support parts 115a and 115b have a straight line on one side of the fastening part 122 of the cover unit 120 when the cover unit 120 to be described below is coupled. It is configured to form a contact. That is, the support parts 115a and 115b extend from end portions of the fastening walls 113a and 113b and be bent in the direction of the dividing wall 112 to be bent in the fastening walls 113a and 113b. Can be. When the fastening portion 122 of the cover unit 120 is fitted into the fitting grooves 114a and 114b through the above configuration, the support portions 115a and 115b and the partition wall 112 are illustrated as shown in FIG. 7A. It can be tightly coupled by.

As another example, as shown in FIG. 5B, the support parts 115a-1 and 115b-1 are connected to one side of the fastening part 122 of the cover unit 120 when the cover unit 120 is described below. It is configured to make a contact in two straight lines. That is, the support portions 115a and 115b extend from end portions of the fastening walls 113a and 113b and bend in the direction of the dividing wall 112, and the fastening walls 113a and 1113b and the dividing wall 112 again. It may be formed in a structure forming a bending of the direction and the fastening wall (113a, 1113b) direction. When the fastening part 122 of the cover unit 120 is fitted into the fitting grooves 114a and 114b through the above configuration, the support parts 115a-1 and 115b-1 and the partition wall as shown in FIG. 7B. And may be tightly coupled by 112.

As another example, as shown in FIG. 5C, the support parts 115a-2 and 115b-2 have both sides of the fastening part 122 of the cover unit 120 when the cover unit 120 to be described below is combined. It is configured to form one straight contact each in position. That is, the support parts 115a-2 and 115b-2 may be configured to protrude so as to extend in directions facing each other at the end positions of the fastening walls 113a and 113b and the end positions of the dividing wall 112. When the fastening part 122 of the cover unit 120 is fitted into the fitting grooves 114a and 114b through the configuration, the support parts 115a-2 and 115b-2 are formed to face each other as shown in FIG. 7C. Can be tightly coupled by

The cover unit 120 coupled to the fastening units 110, 110-1, 110-2, and 110-3 is provided with a shield 121 having a plate structure corresponding to each of the shielding zones 13a, 13b, 13c, 13d, and 13e. It may be composed of a fastening portion 122 that extends vertically at each edge of the shield 121. The fastening part 122 is inserted into the fitting grooves 114a and 114b of the fastening unit 110-1 as described above.

In addition, the shield 121 may be formed with a plurality of heat dissipation holes 121a in order to dissipate heat emitted from the elements mounted in the shield zones 13a, 13b, 13c, 13d, and 13e. On the other hand, the shield 121 may further form an adsorption portion (121b) that can be adsorbed by the manufacturing equipment (not shown) in the central position.

The cover unit 120 is configured as described above to block the electromagnetic waves generated in each of the shielding zones 13a, 13b, 13c, 13d, 13e partitioned by the ground 12 as shown in FIG. It may be coupled to the fastening unit (110,110-1,110-2,110-3) mounted on the ground portion 12.

The printed circuit board and the portable terminal equipped with the shielding unit described above are not limited to the configuration of the above-described embodiment, but the embodiments may be modified in various ways within the scope of the present invention. It may be optionally mixed to carry out.

According to the present invention as described above, it is possible to configure a shielding unit that is easily removable in the shielding area partitioned in units of blocks in order to shield the electromagnetic waves.

In addition, according to the present invention, even if the shielding area is redesignated due to the design change of the product, it is possible to flexibly apply to the modified shielding area without significantly modifying the configuration of the shielding unit, and additional mold deformation There is an advantage that can be reduced.

In addition, according to the present invention, the repair of the product can be performed more easily.

Claims (20)

main body; A printed circuit board mounted to the main body and partitioned into at least one shielding area by a grounding part; And It includes a shielding unit mounted to the printed circuit board, The shield unit, A base coupled to the ground portion, a partition wall formed to protrude from the base in the thickness direction of the printed circuit board, and a fastening formed to protrude from the base to the thickness direction of the printed circuit board adjacent to the partition wall A fastening unit including a wall; And And a cover unit formed to be detachable from the fastening unit. The method of claim 1, The fastening wall, And a vertical portion extending from one end of the base in a state spaced apart from the dividing wall at one side of the dividing wall. The method of claim 1, The fastening wall, And a vertical extension at both ends of the base in a state spaced apart from the dividing wall at both sides of the dividing wall. The method of claim 1, The fastening unit, A plurality of dividing walls extending vertically at regular intervals along the longitudinal direction of the base; And a fastening wall extending vertically from one end of the base in a state spaced apart from the partition wall at one side of each partition wall. The method of claim 1, The fastening unit, A plurality of dividing walls extending vertically at regular intervals along the longitudinal direction of the base; And a plurality of fastening walls extending vertically at both ends of the base in a state spaced apart from the dividing wall at both positions of each dividing wall. The method according to any one of claims 2 to 5, And a fitting groove is formed between the dividing wall and the fastening wall. The method according to any one of claims 2 to 5, And a support portion protruding toward the dividing wall to support one end of the cover unit inserted between the fastening wall and the dividing wall at an end of the fastening wall. The method according to any one of claims 2 to 5, The fastening unit is a portable terminal, characterized in that coupled to the ground portion conductive material of the heat sealing material. delete delete delete The method of claim 1, wherein the cover unit comprises a shield; The mobile terminal, characterized in that consisting of a fastening portion extending from the edge of each shield. 13. The method of claim 12, And the shield is formed with a plurality of heat dissipation holes. delete In a printed circuit board in which a plurality of elements are mounted on one surface, A grounding portion that divides the one surface into at least one shielding area; And A shielding unit mounted to cover the shielding area, The shielding unit, A base coupled to the ground portion, a partition wall formed to protrude from the base in the thickness direction of the printed circuit board, and a fastening formed to protrude from the base to the thickness direction of the printed circuit board adjacent to the partition wall A fastening unit including a wall; And Printed circuit board comprising a cover unit formed to be detachable to the fastening unit. 16. The method of claim 15, The fastening wall, The printed circuit board of claim 1, wherein the printed circuit board extends vertically from one end of the base while being spaced apart from the partition wall at one side of the partition wall. 16. The method of claim 15, The fastening wall, The printed circuit board of claim 2, wherein the printed circuit board extends vertically at both ends of the base while being spaced apart from the partition wall at both sides of the partition wall. 16. The method of claim 15, The fastening unit, A plurality of dividing walls extending vertically at regular intervals along the longitudinal direction of the base; And a plurality of fastening walls extending vertically at both ends of the base in a state spaced apart from the partition walls at both positions of each of the partition walls. delete The method according to any one of claims 16 to 18, The end of the fastening wall is a printed circuit board, characterized in that the support portion protruding toward the partition wall is further formed so as to support one end of the cover unit inserted between the fastening wall and the partition wall.

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