KR100711806B1 - Structure of door for shield box - Google Patents

Abstract

The present invention relates to an electromagnetic shielding box, and in particular, by installing a door rotatably by a pneumatic cylinder and sealing by contacting a silicon cloth containing silicon with silver and copper, the opening and closing control of the door is easy and elastically closed while electromagnetic waves Relates to the door structure of the electromagnetic shielding box is completely blocked.

The present invention is a lower box which is open on the upper side and a measurement device such as a mobile phone is installed therein, an upper box on which the upper and lower sides are opened and detachably coupled to an upper side of the lower box, and coupled to an upper side of the upper box, In the door structure of the electromagnetic shielding box including a door for opening and closing the upper opening, a pneumatic cylinder is rotatably installed on both sides of the upper box, the cylinder rod extending from the pneumatic cylinder is rotatable with the center of both sides of the door Is connected, the ends of the bracket vertically extending from both ends of the door is rotatably connected to the upper box, the upper opening of the upper box is inserted into the insertion groove is cut along the rectangular border which is contacted when the door is closed, the insertion The grooves are fitted with silicon containing silver and copper.

Door structure, shielding box, electromagnetic wave, pneumatic cylinder, silicon, silver, metal cloth

Description

Door structure of electromagnetic shielding box {STRUCTURE OF DOOR FOR SHIELD BOX}

1 is a perspective view showing an open state of a door structure of an electromagnetic shielding box according to the present invention;

Figure 2 is a perspective view showing a closed state of the door structure of the electromagnetic shielding box according to the present invention.

<Explanation of symbols for the main parts of the drawings>

10: lower box 20: upper box

21: pneumatic cylinder 22: cylinder rod

23: rim 24: insertion groove

25: silicone 30: door

31: Bracket 32: metal cloth

33: transparent window B: bolt

H: hinge

The present invention relates to an electromagnetic shielding box, and more particularly, to a door structure of an electromagnetic shielding box that can be easily opened and closed so that the door is not opened excessively and is closed while being elastically closed.

In general, in the manufacturing process of products such as mobile phones and home appliances, the classification of the quantity of defects is carried out through an automated process instead of manual labor to quickly and precisely test the basic functions of the apparatus.

The automated test system is composed of a conveyor for transporting the device to a predetermined position, a plurality of shield boxes for testing performance while the transported device is mounted, and a robot for transporting the head unit for loading and unloading the device. do.

In addition, a robot for transferring the defective device determined by the test result from the shielding box, a conveyor for transferring the transferred bad device to the next process, a conveyor for transferring the received device to the next process, and a robot Control means for controlling them are configured.

Among them, the test shielding box has an upper side which is opened and a lower box in which a measuring device such as a mobile phone is installed, an upper box which is open and coupled to the upper side of the lower box, and is detachably coupled to the upper side of the upper box. The door is coupled to open and close the upper opening of the upper box.

However, in the conventional shielding box, the door is mainly opened and closed in a sliding manner, so opening and closing control is not easy, and in particular, when the door is opened excessively, the overall space occupancy rate of the shielding box, which must be arranged several times, becomes too large and the work efficiency decreases. There are many difficulties in automation, such as interference.

In addition, a spring gasket or a clip-like finger strip is mounted on the door for shielding electromagnetic waves, and it is not easy to be coupled to the door, and some electromagnetic waves leak through a minute gap, making it difficult to stably test the device.

The present invention has been made to solve the problems of the prior art as described above, to provide a door structure of the electromagnetic shielding box that is easy to open and close control to increase the space efficiency, easy to combine, yet electromagnetic wave is completely blocked. The purpose is.

The door structure of the electromagnetic shielding box of the present invention for achieving the above object is the upper box is open and the lower box and the upper and lower sides are opened and coupled to the upper side of the lower box is installed therein. In the door opening and closing structure of the electromagnetic shielding box including an upper box, the door coupled to the upper side of the upper box to open and close the upper opening of the upper box,

Pneumatic cylinders are rotatably installed on both sides of the upper box, and cylinder rods extending from the pneumatic cylinders are rotatably connected to both center portions of the door, and ends of brackets extending vertically from both ends of the door are connected to the upper box. Rotatably connected to,

The upper opening of the upper box is inserted into the insertion groove is cut along the rectangular edge contacted when the door is closed, the insertion groove is characterized in that the silicon containing silver and copper is mounted.

And, the door is characterized in that the square metal cloth is installed along the contact portion with the square edge of the upper box when the door is closed.

Preferably, the rectangular metal cloth is characterized in that made of nickel and copper material.

In addition, the silver-containing silicon is characterized in that it is mounted in a flat, thin tube form.

On the other hand, the door is characterized in that the transparent window made of a material capable of shielding electromagnetic waves.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view illustrating an open state of a door structure of an electromagnetic shielding box according to the present invention, and FIG. 2 is a perspective view illustrating a closed state of a door structure of an electromagnetic shielding box according to the present invention.

As shown, the electromagnetic shielding box including the door structure of the present invention is basically provided with a lower box 10, the upper box 20 and the door 30.

The lower box 10 is provided with a cradle (not shown) for connecting to a controller for testing a corresponding device, and the upper side of the lower box 10 is opened to mount a device under measurement such as a mobile phone.

The upper box 20 is open both upper and lower sides are coupled to the upper side of the lower box 10 so as to be detachable by a fastening means such as a bolt (B).

On both sides of the upper box 20, the pneumatic cylinder 21 is rotatably installed by the hinge (H), the cylinder rod 22 extending upward from the pneumatic cylinder 21 to reciprocate by pneumatic It is rotatably connected by both the central portion and the hinge (H) of the door 30 to be described later.

The pneumatic cylinder 21 is connected to an automatic control system (not shown) through a PC for opening and closing control of the door 30.

In the upper opening of the upper box 20, the insertion groove 24 is cut vertically and shallowly along the protruding rectangular rim 23 which contacts when the door 30 is closed, and the insertion groove 24 is shielded electromagnetic waves. Silicon 25 containing conductive silver and copper is mounted.

The silicon 25 containing silver and copper is preferably configured in the form of a flat and thin tube in order to impart an appropriate elastic force.

The door 30 is coupled to the upper side of the upper box 20 to open and close the upper opening of the upper box 20.

The bracket 31 extends vertically at both ends of the door 30 and its ends are rotatable by hinges (not shown) on both sides of the upper box 20 (for example, an insertion groove in the upper box 20). And a protrusion formed to engage with the insertion groove to the bracket 31).

The door 30 has a nickel portion in contact with the protruding square rim 23 of the upper opening of the upper box 20 (specifically in contact with the silicon 25 containing silver and copper) when the door 30 is closed. And a copper conductive square metal cloth 32 is provided.

In addition, the door 30 is provided with a transparent window 33 of a material capable of shielding electromagnetic waves so as to check the product inside the shielding box from the outside.

The transparent window 33 is made of a transparent synthetic resin material and prints a conductive electromagnetic shielding material (such as silver or nickel) on its surface by a silk screen method.

The door structure of the electromagnetic shielding box of the present invention configured as described above acts as follows.

First, looking at the opening and closing operation of the door structure of the electromagnetic shield box of the present invention, the cylinder rod 22 of the pneumatic cylinder 21 provided in the upper box 20 by the automatic control through the PC while the door 30 Open or close).

At this time, the pneumatic cylinder 21 and the cylinder rod 22 are hinged (H) to the upper box 20 and the door 30, respectively, and the bracket 31 of the door 30 is the upper box 20. Because the hinge is coupled to the pneumatic cylinder 21, the cylinder rod 22 and the bracket 31 is rotated organically, and easy to control the opening and closing of the door 30, as well as to prevent excessive opening of the door 30 space The efficiency is excellent.

On the other hand, when the door 30 is closed, the silicon 25 containing silver and copper mounted along the upper opening rim 23 of the upper box 20 and the metal (nickel and copper) cloth installed in the door 30 ( Since 32) contacts each other, the leakage of electromagnetic waves emitted from a corresponding device such as a mobile phone mounted on the lower box 10 is completely blocked.

In particular, silicon 25 containing silver and copper itself is not only elastic, but is also arranged in a flat, thin tube shape, which makes installation easy and facilitates the installation of metal (nickel and copper) fabrics 32 and more of the door 30. It elastically contacts to double the sealing force against electromagnetic waves.

In addition, since the door 30 is provided with a transparent window 33 made of a material capable of shielding electromagnetic waves, various tests can be smoothly performed while checking the product inside the shielding box from the outside without leakage of electromagnetic waves.

The door structure of the electromagnetic shielding box of the present invention configured as described above is advantageous for automation by preventing the opening and closing of the door easily and increasing the space efficiency, and the coupling is easy and elastically closed to close the electromagnetic waves useful effects. Exert.

Although the present invention has been described in detail only with respect to the described embodiments, it will be apparent to those skilled in the art that various changes or modifications can be made within the spirit and scope of the present invention, and such modifications or variations are attached thereto. Belong to the claims.

Claims (5)

delete An upper side is opened and a lower box in which a measurement device such as a mobile phone is installed therein, an upper box which is opened at an upper side and is detachably coupled to an upper side of the lower box, and is coupled to an upper side of the upper box to open an upper opening of the upper box. In the door opening and closing structure of the electromagnetic shielding box including a door to open and close, Pneumatic cylinders are rotatably installed on both sides of the upper box, and cylinder rods extending from the pneumatic cylinders are rotatably connected to both center portions of the door, and ends of brackets extending vertically from both ends of the door are connected to the upper box. Rotatably connected to, The upper opening of the upper box is inserted into the insertion groove is cut along the rectangular rim contacting when the door is closed, the insertion groove is equipped with silicon containing silver and copper, The door structure of the electromagnetic shielding box, characterized in that the square metal cloth is installed along the portion in contact with the square edge of the upper box when the door is closed. The method of claim 2, The rectangular metal cloth is a door structure of the electromagnetic shielding box, characterized in that made of nickel and copper. The method of claim 2 or 3, The silver-containing silicon is a door structure of the electromagnetic shielding box, characterized in that mounted in a flat and thin tube form. The method of claim 4, wherein The door of the electromagnetic shielding box, characterized in that the door is provided with a transparent window of a material capable of electromagnetic shielding.

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