TWI773007B - Folding assembled type electromagnetic shielding cover - Google Patents

Abstract

A folding assembled type electromagnetic shielding cover includes a folding board assembly, a first electromagnetic shielding assembly board and a second electromagnetic shielding assembly board. The folding board assembly includes a first electromagnetic shielding folding board and two second electromagnetic shielding folding boards. The two second electromagnetic shielding folding plates are respectively foldable connected to the first electromagnetic shielding assembly board. The first electromagnetic shielding assembly board and the second electromagnetic shielding assembly board are respectively detachably assembled to the folding board assembly.

Description

Folding Assembled Electromagnetic Shield

The present invention relates to an electromagnetic shield, in particular to a foldable and assembled electromagnetic shield.

Generally speaking, most electronic devices usually generate electromagnetic waves during operation. Therefore, in the development stage of electronic devices, it is often necessary to measure the electromagnetic waves of the electronic devices to ensure that the electromagnetic shielding capability of the electronic devices can effectively prevent the electronic devices from emitting electromagnetic waves. Lots of electromagnetic waves.

Based on the above, in order to effectively measure the electromagnetic waves of electronic devices, the existing technology is to use a combination of multiple metal plates to create a radio wave isolation anechoic chamber for users to measure the electronic device in the radio wave isolation anechoic chamber. However, although the existing radio wave isolation anechoic chamber can isolate the electromagnetic wave interference from the outside world, the measuring equipment used to measure the electronic device itself also generates electromagnetic waves, which in turn affects the electromagnetic wave measurement of the electronic device.

In addition, since the existing radio wave isolation anechoic chamber is usually set in a fixed manner, when the electronic device to be tested cannot be easily moved into the radio wave isolation anechoic chamber, the user cannot perform the measurement, which is very inconvenient.

In view of the fact that in the prior art, although the existing radio wave isolation anechoic chamber can provide a test environment that is isolated from external electromagnetic wave interference, when the measuring equipment is also located in the radio wave isolation anechoic chamber, the test of the electronic device may still be subject to the noise generated by the measuring equipment. Electromagnetic wave interference, and since most of the existing radio wave isolation anechoic chambers are of fixed structure, there is a problem that it is difficult to move and cannot measure fixed electronic devices; therefore, the main purpose of the present invention is to provide a folding and assembled electromagnetic shielding cover, It is convenient for users to carry, and an electromagnetic shielding space can be formed by assembling.

In order to solve the problems of the prior art, the necessary technical means adopted by the present invention is to provide a foldable and assembled electromagnetic shielding cover, which includes a folding plate assembly, a first electromagnetic shielding assembly plate and a second electromagnetic shielding assembly plate.

The folding plate assembly includes a first electromagnetic shielding folding plate and two second electromagnetic shielding folding plates. The first electromagnetic shielding folding plate has a first folding frame, a second folding frame, a first assembling frame and a second assembling frame, and the first folding frame and the second folding frame extend along a first direction , the first assembling frame and the second assembling frame extend along a second direction perpendicular to the first direction, and the two ends of the first folding frame and the second folding frame are respectively connected to the first assembling frame and the second folded frame. Two sets are connected to both ends of the frame.

The two second electromagnetic shielding folding plates are respectively foldably connected to the first folding frame and the second folding frame. The first electromagnetic shielding assembling plate is detachably assembled on the first assembling frame and the two second electromagnetic shielding folding plates. The second electromagnetic shielding assembly plate is detachably assembled to the second assembly frame and the two second electromagnetic shielding folding plates.

Wherein, the folding plate assembly, the first electromagnetic shielding assembly plate and the second electromagnetic shielding assembly plate enclose an electromagnetic shielding space.

In an auxiliary technical means derived from the above-mentioned necessary technical means, each of the two second electromagnetic shielding folding plates has a third set of connecting frames and a fourth set of connecting frames, and the first electromagnetic shielding assembly plate has a first set of The connecting plate side frame and two second sets of connecting plate side frames, the first set of connecting plate side frames are assembled with the first set of connecting frames, and the two second sets of connecting plate side frames are respectively assembled with the two second electromagnetic shielding folds The third assembly frame of the board, the second electromagnetic shield assembly plate has a third assembly plate side frame and two fourth assembly plate side frames, the third assembly plate side frame is assembled with the second assembly frame and the side frames of the two second sets of connecting plates are respectively assembled to the fourth set of frames of the two second electromagnetic shielding folding plates.

Preferably, the foldable and assembled electromagnetic shielding cover further includes a plurality of assembling components, and the first electromagnetic shielding assembling plate and the second electromagnetic shielding assembling plate are respectively detachably assembled to the folding plate component through the assembling components. In addition, the foldable and assembled electromagnetic shielding cover further includes a plurality of first assembling elements and a plurality of second assembling elements, and the first assembling elements are respectively disposed on the first assembling frame, the second assembling frame and the two second assembling members. The third assembly frame and the fourth assembly frame of the electromagnetic shielding folding plate, the second assembly elements are respectively arranged on the side frame of the first assembly plate, the two second assembly plate side frames, and the third assembly plate side frame and the fourth assembling board side frame, so that the first electromagnetic shielding assembling board and the second electromagnetic shielding assembling board are assembled to the folding board assembly through the first assembling element and the second assembling element.

In an auxiliary technical means derived from the above-mentioned necessary technical means, the foldable and assembled electromagnetic shielding cover further comprises at least one communicating pipe piece, and the at least one communicating pipe piece comprises a fixing frame, a fixing plate and a communicating pipe. The fixing frame is arranged on one side of the first electromagnetic shielding assembly board. The fixing plate is arranged on the other side of the first electromagnetic shielding assembly plate relative to the fixing frame, and is correspondingly locked to the fixing frame. The communication pipe is passed through the fixing plate and the first electromagnetic shielding assembly plate, and communicates with the electromagnetic shielding space.

In an auxiliary technical means derived from the above-mentioned necessary technical means, the first electromagnetic shielding folding plate further includes an electromagnetic shielding sheet, and the electromagnetic shielding sheet is fastened to the first pivot frame, the first group frame, and the second pivot frame. The border is connected to the second set of borders.

In an auxiliary technical means derived from the above-mentioned necessary technical means, the two second electromagnetic shielding folding plates, the first electromagnetic shielding assembly plate and the second electromagnetic shielding assembly plate respectively comprise a quadrilateral frame and an electromagnetic shielding sheet. The sheet is fastened in the frame.

In an auxiliary technical means derived from the above-mentioned necessary technical means, the foldable and assembled electromagnetic shielding cover further includes a connecting rod supporting assembly, and the connecting rod supporting assembly is foldably disposed on one of the two second electromagnetic shielding folding plates and the first electromagnetic shielding folding plate.

As mentioned above, compared with the radio isolation chamber of the prior art, which is a fixed structure that is not easy to move, the foldable and assembled electromagnetic shielding cover of the present invention can assemble the folding plate assembly, the first electromagnetic shielding assembly plate and the second electromagnetic shielding assembly. The plates are assembled to form an electromagnetic shielding space, and when the folding plate assembly, the first electromagnetic shielding assembly plate and the second electromagnetic shielding assembly plate are disassembled, the folding plate assembly can also be folded to reduce the occupied space. Further, it is convenient for the user to move, and the convenience in use is effectively increased.

The specific embodiments adopted by the present invention will be further described by the following embodiments and drawings.

Please refer to the first figure to the fifth figure, the first figure is a three-dimensional schematic diagram of a foldable and assembled electromagnetic shield provided by a preferred embodiment of the present invention; the second figure is a folded and assembled electromagnetic shield provided by a preferred embodiment of the present invention. The three-dimensional schematic diagram of the electromagnetic shielding cover from another angle of view; the third figure is a perspective exploded schematic view of the foldable and assembled electromagnetic shielding cover provided by the preferred embodiment of the present invention; A schematic exploded perspective view of the foldable and assembled electromagnetic shielding cover from another perspective; the fifth figure is a cross-sectional schematic view of the first figure.

As shown in the first to fifth figures, a foldable and assembled electromagnetic shielding cover 100 includes a folding board assembly 1 , a first electromagnetic shielding assembly plate 2 , a second electromagnetic shielding assembly plate 3 , and twelve sets of The connecting assembly 4 (only one is marked in the figure) and the two communicating pipes 5 and 5a.

The folding plate assembly 1 includes a first electromagnetic shielding folding plate 11 and two second electromagnetic shielding folding plates 12 and 12a. The first electromagnetic shielding folding board 11 has a first folding frame 111 , a second folding frame 112 , a first assembling frame 113 , a second assembling frame 114 and an electromagnetic shielding sheet 115 . The first folding frame 111 and the second folding frame 112 extend along a first direction D1, the first assembling frame 113 and the second assembling frame 114 extend along a second direction D2 perpendicular to the first direction D1, and Both ends of the first folding frame 111 and the second folding frame 112 are respectively connected to the two ends of the first assembling frame 113 and the second assembling frame 114 to form a quadrilateral frame, and the electromagnetic shielding sheet 115 is It is arranged in a quadrilateral frame and is connected to the first folding frame 111 , the second folding frame 112 , the first assembling frame 113 and the second assembling frame 114 respectively.

The two second electromagnetic shielding folding plates 12 and 12a are respectively foldably connected to the first folding frame 111 and the second folding frame 112 . Among them, since the two second electromagnetic shielding folding plates 12 and 12a have similar structures, this embodiment only takes the second electromagnetic shielding folding plate 12 as an example for description. The second electromagnetic shielding foldable plate 12 includes a pivot frame 121 , a bottom frame 122 , a third set of connecting frames 123 , a fourth set of connecting frames 124 and an electromagnetic shielding sheet 125 .

The pivoting frame 121 is pivotally connected to the first folding frame 111 , so that the second electromagnetic shielding folding plate 12 is foldably connected to the first folding frame 111 . The bottom frame 122 is disposed opposite to the pivot frame 121 , and both the bottom frame 122 and the pivot frame 121 extend along the first direction D1 . The third grouping frame 123 and the fourth grouping frame 124 extend along the second direction D2 respectively, and both ends of the third grouping frame 123 and the fourth grouping frame 124 are respectively connected to the pivot frame 121 and the bottom frame 122 The two ends of the frame are enclosed to form a quadrilateral frame, and the electromagnetic shielding sheet 125 is disposed in the quadrilateral frame and is connected to the pivot frame 121, the bottom frame 122, the third group frame 123 and the fourth group frame respectively. 124.

The first electromagnetic shielding assembly plate 2 has a first assembly plate side frame 21 , a first assembly plate bottom frame 22 , a second assembly plate side frame 23 , a second assembly plate side frame 24 and an electromagnetic shielding Sheet 25. The first grouping board side frame 21 is used to be assembled with the first grouping board frame 113 , the assembling board bottom frame 22 is disposed opposite to the first grouping board side frame 21 , and the first grouping board side frame 21 is connected to the first grouping board side frame 21 . The bottom frame 22 of the assembly board extends along the second direction D2.

The side frames 23 and 24 of the second group of connecting plates extend along a third direction D3 that is perpendicular to the first direction D1 and the second direction D2, respectively, and both ends of the side frames 23 and 24 of the second group of connecting plates are respectively connected to The two ends of the side frame 21 of the first assembling board and the bottom frame 22 of the assembling board form a quadrilateral frame, and the electromagnetic shielding sheet 25 is arranged in the quadrilateral frame and connected to the side of the first assembling board respectively. The frame 21 , the bottom frame 22 of the assembling board, the side frame 23 of the second assembling board and the side frame 24 of the second assembling board. In addition, the second assembly plate side frame 23 is used to be assembled to the second electromagnetic shielding folding plate 12, and the second assembly plate side frame 24 is used to be assembled to the second electromagnetic shielding folding plate 12a; wherein, the The second assembly plate side frame 23 and the second electromagnetic shielding foldable plate 12 are taken as an example.

The second electromagnetic shielding assembly plate 3 has a third assembly plate side frame 31 , a first assembly plate bottom frame 32 , a fourth assembly plate side frame 33 , a fourth assembly plate side frame 34 and an electromagnetic shielding Sheet 35. The third assembling board side frame 31 is used to be assembled with the second assembling board frame 114 , the assembling board bottom frame 32 is disposed opposite to the third assembling board side frame 31 , and the third assembling board side frame 31 is opposite to the third assembling board side frame 31 . The bottom frame 32 of the assembly board extends along the second direction D2.

The side frames 33 and 34 of the fourth assembling board extend along the third direction D3 respectively, and the two ends of the side frames 33 and 34 of the fourth assembling board are respectively connected to the side frame 31 of the third assembling board and the bottom of the assembling board. The two ends of the frame 32 form a quadrilateral frame, and the electromagnetic shielding sheet 35 is arranged in the quadrilateral frame, and is respectively connected to the third set of side frame 31 of the connecting board, the bottom frame 32 of the connecting board, and the fourth set of The connecting plate side frame 33 and the fourth group connecting plate side frame 34 . In addition, the side frame 33 of the fourth assembly plate is used to be assembled to the second electromagnetic shielding folding plate 12, and the side frame 34 of the fourth assembly plate is used to be assembled to the second electromagnetic shielding folding plate 12a; The fourth assembly plate side frame 33 and the second electromagnetic shielding folding plate 12 are taken as an example.

Twelve assembly assemblies 4 are respectively disposed between the folding plate assembly 1 , the first electromagnetic shield assembly plate 2 and the second electromagnetic shield assembly plate 3 , and each assembly assembly 4 includes a first assembly assembly. The element 41 and a second assembly element 42, so there are twelve first assembly elements 41 and twelve second assembly elements 42 respectively disposed on the folding plate assembly 1, the first electromagnetic shielding assembly plate 2 and the first assembly plate 2. Between the two electromagnetic shielding assembly boards 3 .

In this embodiment, two first assembling elements 41 are disposed on the first assembling frame 113, the second assembling frame 114, the third assembling frame 123, the fourth assembling frame 124, The third assembly frame (not shown in the figure) of the second electromagnetic shielding foldable plate 12a and the fourth assembly frame (not shown in the figure) of the second electromagnetic shielding foldable plate 12a, and the second assembly elements 42 are formed by two frames per frame. are arranged on the side frame 21 of the first assembly plate, the side frame 23 of the second assembly plate, the side frame 24 of the second assembly plate, the side frame of the third assembly plate 31, the side frame of the fourth assembly plate 33 and the The fourth group is connected to the side frame 34 of the board.

Wherein, since the first assembling element 41 in this embodiment is a snap hook, and the second assembling element 42 is a lock, the cooperation between the first assembling element 41 and the second assembling element 42 can make the The first electromagnetic shielding assembly plate 2 and the second electromagnetic shielding assembly plate 3 are respectively detachably assembled to the folding plate assembly 1, and then pass through the folding plate assembly 1, the first electromagnetic shielding assembly plate 2 and the second electromagnetic shielding assembly. The connecting plate 3 forms an electromagnetic shielding space S.

In addition, in this embodiment, the electromagnetic shielding sheets 115 , 125 , 25 and 35 are all mesh-like structures woven from conductive metal wires, and the mesh diameter of them may depend on practical applications, such as but not limited to 0.64 mm, Another example is that the mesh diameter is at least less than 2.5mm (that is, less than λ/20 at 6GHz, where 6GHz is the highest test frequency and λ is the wavelength of 6GHz), and the electromagnetic shielding sheets 115, 125, 25 and 35 are also in other embodiments. However, the sheet structure made of metal is not limited to the metal mesh structure of this embodiment. On the other hand, each frame of the folding board assembly 1 , the first electromagnetic shielding assembly plate 2 and the second electromagnetic shielding assembly plate 3 is a frame made of conductive metal.

The communicating pipes 5 and 5a are disposed at the bottom two corners of the first electromagnetic shielding assembly plate 2, and since the communicating pipes 5 and 5a have similar structures, only the communicating pipe 5 is used as an example in this embodiment. The communicating pipe member 5 includes a fixing frame 51 , a fixing plate 52 and a communicating pipe 53 . The fixing frame 51 is fastened to the bottom frame 22 of the assembly board and the side frame 24 of the second assembly board, and is located on the inner side of the electromagnetic shielding sheet 25, and the fixing plate 52 is located on the outer side of the electromagnetic shielding sheet 25, and correspondingly It is locked to the fixed frame 51 . The communication pipe 53 is passed through the fixing plate 52 and the electromagnetic shielding sheet 25 of the first electromagnetic shielding assembly plate 2 , and then communicates with the electromagnetic shielding space S. As shown in FIG.

The link support assembly 6 includes a first support element 61 and a second support element 62 . One end of the first support element 61 is fastened to the second electromagnetic shielding folding plate 12 , and two ends of the second support element 62 are locked respectively. It is fixed on the other end of the first electromagnetic shielding folding plate 11 and the first supporting element 61 , so that the first supporting element 61 and the second supporting element 62 are between the first electromagnetic shielding folding plate 11 and the second electromagnetic shielding folding plate 12 A link mechanism is formed, so that when the first electromagnetic shielding foldable plate 11 and the second electromagnetic shielding foldable plate 12 are in the unfolded state, the relative position between the two can be maintained and fixed through the link support assembly 6 .

Please continue to refer to FIG. 6 , which is a schematic plan view showing the folded state of the folding board assembly provided by the preferred embodiment of the present invention. As shown in the third, fourth and sixth figures, when the foldable and assembled electromagnetic shielding cover 100 is disassembled, the user can also fold the second electromagnetic shielding folding plates 12 and 12a toward the first electromagnetic shielding folding plate 11 respectively. , the folding board assembly 1 is formed into a folded state, so as to effectively reduce the occupied space of the folding board assembly 1, so as to facilitate the user to store or move; In addition to the folding plate assembly 1 being in a folded state, the disassembled first electromagnetic shielding assembly plate 2 and the second electromagnetic shielding assembly plate 3 can also be stacked under the first electromagnetic shielding folding plate 11 .

Please continue to refer to FIG. 7. FIG. 7 is a schematic diagram showing the application of the foldable and assembled electromagnetic shielding cover provided in the preferred embodiment of the present invention to a testing system. As shown in Figures 1 to 5 and Figure 7, in a practical embodiment, the user can cover the foldable and assembled electromagnetic shielding cover 100 of the present invention on a grounding guide plate 200 The object to be tested 300 is then matched with a measurement system 400 to measure the object to be tested 300 . In this embodiment, the grounding guide plate 200 is, for example, an anti-static rubber pad or a metal plate, and the grounding guide plate 200 is disposed on a work table (not shown in the figure), but not limited to this, the grounding guide plate 200 can also be directly placed on the ground. In addition, in this embodiment, the DUT 300 is, for example, a server.

As mentioned above, the measurement system 400 includes a measurement device 401 and a remote control device 402 . The measurement device 401 is also placed in the electromagnetic shielding space S of the foldable and assembled electromagnetic shielding cover 100 , and the remote control device 402 It is arranged outside the foldable and assembled electromagnetic shielding cover 100, but the remote control device 402 is electrically connected to the measuring device 401 by passing the signal transmission line into the electromagnetic shielding space S through the communication tube 53, so as to allow the user to pass the remote The control device 402 remotely controls the measuring equipment 401 located in the electromagnetic shielding space S to perform the operation of measuring the electromagnetic waves of the object to be measured 300 . In addition, in actual use, a metal brush ball 500 can be plugged in the communication pipe 53 , so that the gap of the communication pipe 53 can be filled through the metal brush ball 500 , thereby preventing electromagnetic waves in the electromagnetic shielding space S from passing through the communication pipe 53 . It leaks to the outside of the foldable and assembled electromagnetic shielding cover 100 , or prevents electromagnetic waves from outside the foldable and assembled electromagnetic shielding cover 100 from entering the electromagnetic shielding space S through the communication pipe 53 .

Please continue to refer to FIG. 8. FIG. 8 is a schematic diagram showing the application of the foldable and assembled electromagnetic shielding cover provided by the preferred embodiment of the present invention to another testing system. As shown in FIGS. 1 to 5 and 7 to 8, in another practical embodiment, another foldable and assembled electromagnetic shielding cover 100a can also be provided, and the folded and assembled electromagnetic shielding cover 100a can be provided. 100a is disposed on the grounding guide plate 200 in a radio wave isolation anechoic chamber 600 . The foldable and assembled electromagnetic shielding cover 100a is similar to the above-mentioned folding and assembled electromagnetic shielding cover 100, except that the folding and assembled electromagnetic shielding cover 100a replaces the communicating pipe 5a of the folding and assembled electromagnetic shielding cover 100 with a communicating pipe 5b. And the communicating pipes 5 and 5b of the foldable and assembled electromagnetic shielding cover 100a are respectively disposed on the first electromagnetic shielding assembly plate 2a and the second Electromagnetic shielding assembly board 3a.

In this embodiment, the user can place an object to be measured 300a on the grounding guide plate 200 outside the foldable and assembled electromagnetic shielding cover 100a, set the measuring device 401 in the electromagnetic shielding space S, and place the remote The control device 402 is arranged outside the radio wave isolation anechoic chamber 600, and then the measuring device 401 extends the signal transmission line through the communication pipes 5 and 5b respectively to the outside of the folding and assembled electromagnetic shielding cover 100a, and then is electrically connected to the object to be measured 300a and the electromagnetic shielding cover 100a respectively. The remote control device 402, wherein the electromagnetic wave generated by the operation of the measuring device 401 is shielded by the foldable and assembled electromagnetic shielding cover 100a, and the remote control device 402 disposed outside is shielded by the radio wave isolation anechoic chamber 600, located in The electromagnetic wave interference received by the object to be tested 300a between the radio wave isolation anechoic chamber 600 and the foldable and assembled electromagnetic shielding cover 100a can be effectively minimized.

When the above-mentioned measurement system 400 is used in conjunction with the folding and assembling electromagnetic shielding cover 100 or the folding and assembling electromagnetic shielding cover 100a of the present invention, the experimental test can reduce the radiation value of the mobile phone base station at frequencies of 900MHz and 1800MHz by about 20dB. effect.

In addition, the aforementioned server (ie, the embodiment of the DUT 300 ) can be used for artificial intelligence (AI) computing, edge computing (edge computing), and can also be used as a 5G server, a cloud server, or a car networking server. use. In addition, the aforementioned in-vehicle electronic products (ie, the embodiment of the DUT 300 ) can be applied to in-vehicle devices, such as self-driving cars, electric cars, or semi-self-driving cars.

To sum up, compared with the existing radio wave isolation anechoic chamber, it is difficult to move and cannot measure fixed electronic devices. The assembly of the second electromagnetic shielding assembly plate can enclose an electromagnetic shielding space, and the folding plate assembly itself can be folded to reduce the occupied space, which is convenient for the user to move, but can effectively increase the convenience of use. .

Through the detailed description of the preferred embodiments above, it is hoped that the features and spirit of the present invention can be described more clearly, and the scope of the present invention is not limited by the preferred embodiments disclosed above. On the contrary, the intention is to cover various modifications and equivalent arrangements within the scope of the claimed scope of the present invention.

100,100a: Folding Assembled Electromagnetic Shield 1: Folding board assembly 11: The first electromagnetic shielding folding plate 111: The first folding border 112: Second folding border 113: The first set of borders 114: The second set of borders 115: Electromagnetic shielding sheet 12,12a: Second electromagnetic shielding folding plate 121: Pivot frame 122: Bottom border 123: The third set of borders 124: The fourth set of borders 125: Electromagnetic shielding sheet 2,2a: The first electromagnetic shielding assembly board 21: The first set of side frames of the connecting board 22: Bottom frame of the assembly board 23, 24: Side frame of the second set of connecting plates 25: Electromagnetic shielding sheet 3,3a: The second electromagnetic shielding assembly board 31: The third set of connecting board side frame 32: Bottom frame of the assembly board 33, 34: The fourth set of connecting plate side frame 35: Electromagnetic shielding sheet 4: Assembly components 41: The first assembly component 42: The second assembly element 5, 5a, 5b: Connecting pipe fittings 51: Fixed frame 52: Fixed plate 53: Connecting pipe 6: Connecting rod support assembly 61: First support element 62: Second support element 200: Grounding guide plate 300,300a: Object to be tested 400: Measurement System 401: Measuring Equipment 402: Remote Control Device 500: Metal Brush Ball 600: Radio wave isolation anechoic chamber D1: first direction D2: Second direction D3: third direction S: Electromagnetic shielding space

The first figure is a three-dimensional schematic diagram showing the foldable and assembled electromagnetic shielding cover provided by the preferred embodiment of the present invention; the second figure is a three-dimensional schematic diagram showing another perspective of the folding and assembled electromagnetic shielding cover provided by the preferred embodiment of the present invention The third figure is a schematic exploded perspective view of the foldable and assembled electromagnetic shielding cover provided by the preferred embodiment of the present invention; the fourth figure is another perspective view of the folding and assembled electromagnetic shielding cover provided by the preferred embodiment of the present invention Three-dimensional exploded schematic diagram; the fifth figure is a cross-sectional schematic diagram of the first figure; the sixth figure is a schematic plan view showing the folded state of the folding board assembly provided by the preferred embodiment of the present invention; the seventh figure is the preferred embodiment of the present invention. A schematic diagram of the application of the foldable and assembled electromagnetic shielding cover provided in a test system; and the eighth figure is a schematic diagram of an application of the folding and assembled electromagnetic shielding cover provided by the preferred embodiment of the present invention to another test system.

100: Folding assembled electromagnetic shielding cover 1: Folding board assembly 11: The first electromagnetic shielding folding plate 111: The first folding border 112: Second folding border 113: The first set of borders 114: The second set of borders 115: Electromagnetic shielding sheet 12,12a: Second electromagnetic shielding folding plate 121: Pivot frame 122: Bottom border 123: The third set of borders 125: Electromagnetic shielding sheet 2: The first electromagnetic shielding assembly board 21: The first set of side frames of the connecting board 22: Bottom frame of the assembly board 23, 23: Side frame of the second set of connecting plates 25: Electromagnetic shielding sheet 3: The second electromagnetic shielding assembly board 31: The third set of connecting board side frame 32: Bottom frame of the assembly board 33, 34: The fourth set of connecting plate side frame 35: Electromagnetic shielding sheet 41: The first assembly component 42: The second assembly element 5,5a: Connecting pipe fittings 61: First support element 62: Second support element D1: first direction D2: Second direction

Claims (7)

A foldable and assembled electromagnetic shielding cover, comprising: a folding plate assembly, including: a first electromagnetic shielding folding plate, which has a first folding frame, a second folding frame, a first set of connecting frames and a second set of a connecting frame, the first folding frame and the second folding frame extend along a first direction, the first assembling frame and the second assembling frame extend along a second direction perpendicular to the first direction, And the two ends of the first folding frame and the second folding frame are respectively connected to the two ends of the first grouping frame and the second grouping frame; and two second electromagnetic shielding folding plates, which are respectively foldable is connected to the first folding frame and the second folding frame; a first electromagnetic shielding assembly plate is detachably assembled to the first assembly frame and the two second electromagnetic shielding folding plates; a second electromagnetic shielding assembly a shielding assembly plate, which is detachably assembled on the second assembly frame and the two second electromagnetic shielding folding plates; and a communication pipe, including: a fixing frame arranged on the first electromagnetic shielding assembly plate one side; a fixing plate, arranged on the other side of the first electromagnetic shielding assembly plate relative to the fixing frame, and correspondingly locked to the fixing frame; and a communication pipe passing through the fixing frame The plate and the first electromagnetic shielding assembly plate are communicated with the electromagnetic shielding space; wherein, the folding plate assembly, the first electromagnetic shielding assembly plate and the second electromagnetic shielding assembly plate form an electromagnetic shielding space. The foldable and assembled electromagnetic shielding cover of claim 1, wherein each of the two second electromagnetic shielding folding plates has a third assembling frame and a fourth assembling frame, and the first electromagnetic shielding assembly plate has A first set of connecting board side frames and two second set of connecting board side frames, the first set of connecting board side frames are assembled to the first set of connecting frames, and the two second set of connecting board side frames are respectively assembled On the third assembly frame of the two second electromagnetic shielding folding plates, the second electromagnetic shielding assembly plate has a third assembly plate side frame and two fourth assembly plate side frames, the third assembly plate The side frame is assembled with the second assembly frame, and the side frames of the two second assembly plates are respectively assembled with the fourth assembly frame of the two second electromagnetic shielding folding plates. The foldable and assembled electromagnetic shielding cover as claimed in claim 2, further comprising a plurality of assembling components, the first electromagnetic shielding assembling plate and the second electromagnetic shielding assembling plate are respectively detachable through the assembling components assembled with the folding board assembly. The foldable and assembled electromagnetic shielding cover as claimed in claim 3, wherein each of the assembling elements comprises a first assembling element and a second assembling element, and the first assembling element of the assembling elements is a are respectively arranged on the first assembling frame, the second assembling frame and the third assembling frame and the fourth assembling frame of the two second electromagnetic shielding folding boards, and the second assembling frame of the assembling components The elements are respectively arranged on the side frame of the first set of connecting boards, the side frames of the two second sets of connecting boards, the side frames of the third set of connecting boards and the side frames of the fourth set of connecting boards, so as to make the first electromagnetic shielding group The connecting plate and the second electromagnetic shielding assembly plate are assembled to the assembly through the assembly components The folding board assembly. The foldable and assembled electromagnetic shielding cover of claim 1, wherein the first electromagnetic shielding folding plate further comprises an electromagnetic shielding sheet, and the electromagnetic shielding sheet is fastened to the first pivot frame, the first assembly a frame, the second pivot frame and the second assembly frame. The foldable and assembled electromagnetic shielding cover of claim 1, wherein the two second electromagnetic shielding folding plates, the first electromagnetic shielding assembly plate and the second electromagnetic shielding assembly plate respectively comprise a quadrilateral frame and an electromagnetic shielding assembly. A shielding sheet, the electromagnetic shielding sheet is fastened in the frame. The foldable and assembled electromagnetic shielding cover as claimed in claim 1, further comprising a link supporting component, the link supporting component is foldably disposed on one of the two second electromagnetic shielding folding plates and the first electromagnetic shielding Shade between folded panels.

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