CN107415235A - Manufacturing method, device, terminal, computer-readable storage medium and electromagnetic shielding element of electromagnetic shielding element - Google Patents

Abstract

Disclosed are a manufacturing method, a device, a terminal, a computer readable storage medium of an electromagnetic shielding member and the electromagnetic shielding member, belonging to the field of 3D printing technology application. The method comprises the following steps: according to the heat dissipation condition and the electromagnetic wave band of the electronic component to be shielded, the shape parameter of the minimum repeating unit of the shielding piece of the electronic component to be shielded and the number of the minimum repeating units in the space X, Y, Z direction are obtained; generating a simulation model of an electromagnetic shielding piece for an electronic component to be shielded through 3D design software; converting the simulation model into data for 3D printing; and 3D printing is executed through 3D printing equipment, and the electromagnetic shielding part is manufactured. The apparatus can be used to implement the method. The terminal has stored thereon a program for executing the steps of the method. The computer readable storage medium has stored thereon a program for executing the steps of the method.

Description

Electromagnetic shielding member manufacturing method, device, terminal, computer readable storage medium and The electromagnetic shield

technical field

The present invention relates to the technical field of 3D printing, and in particular to a manufacturing method, device, terminal, computer-readable storage medium and the electromagnetic shielding member based on 3D printing technology.

Background technique

With the rapid development of the electronics industry, electronic products and electrical appliances have become indispensable products in industry and life. However, electronic equipment and electrical appliances always produce electromagnetic interference, so that they affect each other. These effects may be quite minor, causing temporary malfunction of the device, or they may cause functional impairment or even damage to the device. The generation of this electromagnetic interference is mainly due to the radiated electric field caused by the constantly changing current, and the change of the electric field produces a changing magnetic field. This magnetic field often interferes with external communication Wifi signals, GPS, etc., resulting in communication failure or affecting the internal operation and communication of electrical equipment.

At present, in order to solve the electric field interference, structures such as metal shielding shells are often used. This structure can solve the interference problem very effectively, but the metal shell seriously affects the heat dissipation of the chip and other outstanding problems. At the same time, the weight is relatively large and the structure is limited. Therefore, how to solve the heat dissipation problem of electronic products while reducing electromagnetic radiation is an urgent problem to be solved at present.

Contents of the invention

In view of this, the present invention provides a manufacturing method, device, terminal, computer-readable storage medium and the electromagnetic shield based on 3D printing technology. Based on the flexible structure of 3D printing, it can target Electromagnetic shielding parts can be made for heterosexual, flat and other electrical equipment, which is more suitable for practical use.

In order to achieve the above-mentioned first object, the technical scheme of the manufacturing method of the electromagnetic shield provided by the present invention is as follows:

The manufacturing method of the electromagnetic shield provided by the present invention comprises the following steps:

According to the heat dissipation conditions and the electromagnetic wave band of the electronic components to be shielded, the shape parameters of the smallest repeating unit of the shielding member for the electronic components to be shielded and the number of repetitions of the smallest repeating unit in the spatial X, Y, and Z directions respectively are obtained ;

According to the shape parameters of the smallest repeating unit of the shielding member of the electronic component to be shielded and the repetition numbers of the smallest repeating unit in the X, Y, and Z directions of space respectively, the electronic components to be shielded are generated by 3D design software The simulation model of the electromagnetic shielding part;

Through data conversion, the simulation model is converted into data available for 3D printing;

Outputting the acquired data structure available for 3D printing to a 3D printing device for the 3D printing device to perform 3D printing to manufacture the electromagnetic shielding member.

The manufacturing method of the electromagnetic shield provided by the present invention can be further realized by adopting the following technical measures.

As preferably, the 3D design software is selected from one of solidworks software, pro-E software, and UG software.

Preferably, the material used for the 3D printing is a metal material or a non-metal material, wherein the surface of the non-metal material is coated with a metal conductive layer.

Preferably, the metal material is selected from one of stainless steel, aluminum alloy, copper alloy, and titanium alloy materials.

Preferably, the conductive metal layer coated on the surface of the non-metallic material is selected from one of stainless steel, aluminum alloy, copper alloy, gold, silver, and chromium.

Preferably, the metal conductive layer coated on the surface of the non-metal material is coated on the surface of the non-metal material by means of electroplating.

Preferably, during the 3D printing process, the electromagnetic shielding member is printed and formed by laser selective melting or laser selective sintering.

Preferably, after manufacturing the electromagnetic shielding element, the step of sandblasting and grinding the electromagnetic shielding element in sequence is further included.

Preferably, the minimum repeating unit is a grid structure of 5×5×5, the volume ratio of the grid structure is 15%, and the minimum size of the grid structure is ≤3 mm.

Preferably, the data available for 3D printing is dedicated data for STL 3D printing.

As preferably, the method for generating the simulation model for the electromagnetic shield of the electronic components to be shielded by 3D design software comprises the following steps:

According to the shape parameters of the minimum repeating unit of the shielding member of the electronic component to be shielded and the repetition numbers of the minimum repeating unit in the space X, Y, and Z directions respectively, in the 3D design software, in the space X, respectively, In the Y and Z directions, the corresponding repeating numbers of the minimum repeating unit are arrayed.

In order to achieve the above-mentioned second purpose, the technical scheme of the manufacturing device of the electromagnetic shield provided by the present invention is as follows:

The manufacturing device of the electromagnetic shield provided by the present invention comprises:

The data acquisition unit is used to obtain the shape parameters of the smallest repeating unit of the shielding member of the electronic component to be shielded and the shape parameters of the smallest repeating unit in the spaces X and Y respectively according to the heat dissipation conditions and the electromagnetic wave band of the electronic component to be shielded. , the number of repetitions in the Z direction;

The simulation model generation unit is used to generate the target by 3D design software according to the shape parameters of the minimum repeating unit of the shielding member of the electronic component to be shielded and the repetition quantity of the minimum repeating unit in the space X, Y, and Z directions respectively. A simulation model of the electromagnetic shield of the electronic components to be shielded;

A data conversion unit, configured to transform the simulation model into data available for 3D printing through data conversion;

A 3D printing device, configured to perform 3D printing according to the acquired data structure available for 3D printing to manufacture the electromagnetic shielding member.

In order to achieve the above-mentioned third purpose, the technical solution of the terminal provided by the present invention is as follows:

The terminal provided by the present invention includes a processor, a memory, a production program of an electromagnetic shield that is stored on the memory and can run on the processor, and a 3D printing device,

When the manufacturing program of the electromagnetic shielding member is executed by the processor, the steps of the manufacturing method of the electromagnetic shielding member provided by the present invention are realized;

The 3D printing device is configured to execute 3D printing according to the manufacturing program of the electromagnetic shielding member to manufacture the electromagnetic shielding member.

In order to achieve the fourth purpose above, the technical solution of the computer-readable storage medium provided by the present invention is as follows:

The computer-readable storage medium provided by the present invention stores a program for making an electromagnetic shield, and when the program for making an electromagnetic shield is executed by a processor, the steps of the method for manufacturing an electromagnetic shield provided by the present invention are implemented.

In order to achieve the fifth purpose above, the technical solution of the electromagnetic shield provided by the present invention is as follows:

The electromagnetic shield provided by the present invention is passed through the manufacturing method of the electromagnetic shield provided by the present invention, the manufacturing device of the electromagnetic shield provided by the present invention, the terminal provided by the present invention, the computer-readable storage medium provided by the present invention and the 3D printing equipment Any preparation obtained.

The electromagnetic shielding provided by the present invention can also be further realized by the following technical measures.

Preferably, the spatial structure of the electromagnetic shielding member includes several minimum repeating units, the several minimum repeating units are repeated in the spatial X and/or Y and/or Z directions and connected to each other, and the several minimum repeating units are connected together in the space The number of repetitions in the X and/or Y and/or Z directions is determined according to the spatial structure of the electronic components to be shielded.

Preferably, the material of the minimum repeating unit is a metal material or a non-metal material, wherein the surface of the non-metal material is coated with a metal conductive layer.

Preferably, the metal material is selected from one of stainless steel, aluminum alloy, copper alloy, and titanium alloy materials.

Preferably, the conductive metal layer coated on the surface of the non-metallic material is selected from one of stainless steel, aluminum alloy, copper alloy, gold, silver, and chromium.

Preferably, the metal conductive layer coated on the surface of the non-metallic material is an electroplating layer.

In the process of applying the manufacturing method and device of the electromagnetic shield provided by the present invention to prepare the electromagnetic shield, firstly, according to the heat dissipation conditions and the electromagnetic wave band of the electronic component to be shielded, the minimum repeating unit of the shield for the electronic component to be shielded is obtained According to the shape parameters of the minimum repeating unit, the minimum repeating unit is first generated on the 3D software with the help of computer software, and then according to the personalized spatial configuration of the electronic components to be shielded, respectively in the space X, Y, Z In the direction, based on the spatial configuration of the minimum repeating unit, the corresponding numbers are repeated respectively. With the help of computer software, the simulation model of the electromagnetic shielding part suitable for the electronic components to be shielded can be obtained by simulating first on the 3D software. Finally, according to the simulation model of the electromagnetic shielding element, the electromagnetic shielding element can be obtained by 3D printing with a 3D printing device. In this case, in the process of using the manufacturing method and device of the electromagnetic shielding provided by the present invention to prepare the electromagnetic shielding, since the process of simulating the electromagnetic shielding on the 3D software with the help of computer software is relatively convenient and easy to modify, Moreover, in the process of printing according to the simulation model, the precision and flexibility are high, so it can produce electromagnetic shielding parts for electrical equipment such as anisotropy and plane. The terminal and computer-readable storage medium provided by the present invention can be used to realize the manufacturing method of the electromagnetic shield provided by the present invention. Therefore, the application of the terminal and computer-readable storage medium provided by the present invention can also be used for anisotropic, planar, etc. Electromagnetic shielding parts for electrical equipment.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiment. The drawings are only for the purpose of illustrating a preferred embodiment and are not to be considered as limiting the invention. Also throughout the drawings, the same reference numerals are used to designate the same parts. In the attached picture:

FIG. 1 is a flow chart of the steps of the method for manufacturing an electromagnetic shield provided in Embodiment 1 of the present invention;

Fig. 2 is a schematic diagram of the signal flow relationship of the manufacturing device of the electromagnetic shield provided by the second embodiment of the present invention;

Fig. 3 is a schematic diagram of the spatial structure of the first electromagnetic shielding member, the electromagnetic shielding member repeats the smallest repeating unit in the three directions of space X, Y, and Z;

Fig. 4 is a schematic diagram of the spatial structure of the second type of electromagnetic shielding element, the electromagnetic shielding element is located above the electronic element to be shielded, and the electromagnetic shielding element repeats the smallest repeating unit on the same plane;

Fig. 5 is a schematic diagram of the spatial structure of the second type of electromagnetic shielding. The electromagnetic shielding blocks electronic components in the upper, left, and right directions respectively. The electromagnetic shielding repeats the smallest repeating unit on the same plane.

detailed description

In order to solve the problems existing in the prior art, the present invention provides a manufacturing method, device, terminal, computer-readable storage medium and the electromagnetic shielding member based on 3D printing technology, which is based on the flexible structure of 3D printing. Electromagnetic shielding parts can be produced for anisotropic, planar and other electrical equipment, which is more suitable for practical use.

In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the method, device, and terminal of the electromagnetic shielding element based on 3D printing technology proposed according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. , the computer-readable storage medium and the electromagnetic shielding member, and their specific implementation, structure, features and functions are described in detail below. In the following description, different "one embodiment" or "embodiment" do not necessarily refer to the same embodiment. Furthermore, the features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

The term "and/or" in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and/or B. The specific understanding is: A and B can be included at the same time, and A and B can be included separately. A exists, B may exist alone, and any of the above three situations can be met.

Embodiment one

Referring to accompanying drawing 1, the manufacturing method of the electromagnetic shielding provided by Embodiment 1 of the present invention includes the following steps:

Step S1: According to the heat dissipation conditions and the electromagnetic wave band of the electronic components to be shielded, the shape parameters of the smallest repeating unit of the shielding member for the electronic components to be shielded and the number of repetitions of the smallest repeating unit in the X, Y, and Z directions of the space are obtained;

Step S2: According to the shape parameters of the smallest repeating unit of the shielding part of the electronic component to be shielded and the number of repetitions of the smallest repeating unit in the X, Y, and Z directions of the space, generate electromagnetic shielding for the electronic component to be shielded by 3D design software The simulation model of the piece;

Step S3: Transform the simulation model into data available for 3D printing through data conversion;

Step S4: Output the obtained data structure available for 3D printing to a 3D printing device for the 3D printing device to perform 3D printing to produce an electromagnetic shielding member.

In the process of preparing an electromagnetic shield by applying the manufacturing method of the electromagnetic shield provided by the present invention, firstly, according to the heat dissipation conditions and the electromagnetic wave band of the electronic component to be shielded, the shape of the smallest repeating unit of the shield for the electronic component to be shielded is obtained Parameters, according to the shape parameters of the smallest repeating unit, first generate the smallest repeating unit on 3D software with the help of computer software, and then according to the personalized spatial configuration of the electronic components to be shielded, respectively in the X, Y, and Z directions of space , based on the spatial configuration of the minimum repeating unit, repeating the corresponding number respectively, with the help of computer software, first simulate on the 3D software to obtain the simulation model of the electromagnetic shielding that is suitable for the electronic components to be shielded, and finally, Then, according to the simulation model of the electromagnetic shielding part, the electromagnetic shielding part can be obtained by 3D printing through a 3D printing device. In this case, in the process of using the manufacturing method and device of the electromagnetic shielding provided by the present invention to prepare the electromagnetic shielding, since the process of simulating the electromagnetic shielding on the 3D software with the help of computer software is relatively convenient and easy to modify, Moreover, in the process of printing according to the simulation model, the precision and flexibility are high, so it can produce electromagnetic shielding parts for electrical equipment such as anisotropy and plane. In this embodiment, the 3D design software is selected from one of solidworks software, pro-E software, and UG software; the material used for 3D printing is a metallic material or a non-metallic material, wherein the surface of the non-metallic material is coated with a metal Conductive layer; the metal material is selected from stainless steel, aluminum alloy, copper alloy, titanium alloy material; the metal conductive layer coated on the surface of the non-metallic material is selected from stainless steel, aluminum alloy, copper alloy, gold, silver, chromium One of them; in the process of 3D printing, the electromagnetic shielding parts are printed and shaped by laser selective melting or laser selective sintering.

Wherein, the metal conductive layer coated on the surface of the non-metal material is coated on the surface of the non-metal material by means of electroplating.

Wherein, after the electromagnetic shielding element is produced, steps of sandblasting and polishing the electromagnetic shielding element are also included.

Wherein, the minimum repeating unit is a grid structure of 5×5×5, the volume ratio of the grid structure is 15%, and the minimum size of the grid structure is ≤3mm.

Among them, the data available for 3D printing is STL 3D printing special data.

Wherein, the method for generating a simulation model for an electromagnetic shielding member of an electronic component to be shielded by 3D design software includes the following steps:

According to the shape parameters of the smallest repeating unit of the shielding part of the electronic component to be shielded and the number of repetitions of the smallest repeating unit in the X, Y, and Z directions of space, in the 3D design software, in the X, Y, and Z directions of space, the minimum Repeat units are arrayed corresponding to the number of repeats.

Embodiment two

Referring to accompanying drawing 2, the manufacturing device of the electromagnetic shielding member provided by Embodiment 2 of the present invention includes:

The data acquisition unit is used to obtain the shape parameters of the smallest repeating unit of the shielding member of the electronic component to be shielded and the shape parameters of the smallest repeating unit in the X, Y, and Z directions of space, respectively, according to the heat dissipation conditions and the electromagnetic wave band of the electronic component to be shielded. number of repetitions;

The simulation model generation unit is used to generate the electronic components to be shielded through 3D design software according to the shape parameters of the smallest repeating unit of the shielding part of the electronic component to be shielded and the repetition numbers of the smallest repeating unit in the X, Y, and Z directions of space respectively. The simulation model of the electromagnetic shielding part of the device;

The data conversion unit is used for converting the simulation model into data available for 3D printing through data conversion;

The 3D printing device is used for performing 3D printing according to the obtained data structure available for 3D printing to produce an electromagnetic shielding part.

In the process of preparing an electromagnetic shield using the manufacturing device of an electromagnetic shield provided by the present invention, firstly, according to the heat dissipation conditions and the electromagnetic wave band of the electronic component to be shielded, the shape of the smallest repeating unit of the shield for the electronic component to be shielded is obtained Parameters, according to the shape parameters of the smallest repeating unit, first generate the smallest repeating unit on 3D software with the help of computer software, and then according to the personalized spatial configuration of the electronic components to be shielded, respectively in the X, Y, and Z directions of space , based on the spatial configuration of the minimum repeating unit, repeating the corresponding number respectively, with the help of computer software, first simulate on the 3D software to obtain the simulation model of the electromagnetic shielding that is suitable for the electronic components to be shielded, and finally, Then, according to the simulation model of the electromagnetic shielding part, the electromagnetic shielding part can be obtained by 3D printing through a 3D printing device. In this case, in the process of using the manufacturing method and device of the electromagnetic shielding provided by the present invention to prepare the electromagnetic shielding, since the process of simulating the electromagnetic shielding on the 3D software with the help of computer software is relatively convenient and easy to modify, Moreover, in the process of printing according to the simulation model, the precision and flexibility are high, so it can produce electromagnetic shielding parts for electrical equipment such as anisotropy and plane. In this embodiment, the 3D design software is selected from one of solidworks software, pro-E software, and UG software; the material used for 3D printing is a metallic material or a non-metallic material, wherein the surface of the non-metallic material is coated with a metal Conductive layer; the metal material is selected from stainless steel, aluminum alloy, copper alloy, titanium alloy material; the metal conductive layer coated on the surface of the non-metallic material is selected from stainless steel, aluminum alloy, copper alloy, gold, silver, chromium One of them; in the process of 3D printing, the electromagnetic shielding parts are printed and shaped by laser selective melting or laser selective sintering.

Embodiment three

The terminal provided by Embodiment 3 of the present invention includes a processor, a memory, a program for making an electromagnetic shield that is stored in the memory and can run on the processor, and a 3D printing device. The steps of the manufacturing method of the electromagnetic shield provided by the present invention when the production program of the electromagnetic shield is executed by the processor; the 3D printing device is used to perform 3D printing according to the production program of the electromagnetic shield to produce the electromagnetic shield.

In the process of preparing the electromagnetic shielding part by using the joint application of the terminal and the 3D printing equipment provided by Embodiment 3 of the present invention, firstly, according to the heat dissipation conditions and the electromagnetic wave band of the electronic component to be shielded, the minimum repetition of the shielding part for the electronic component to be shielded is obtained The shape parameters of the unit, according to the shape parameters of the smallest repeating unit, first generate the smallest repeating unit on the 3D software with the help of computer software, and then according to the personalized spatial configuration of the electronic components to be shielded, respectively in the space X, Y, In the Z direction, based on the spatial configuration of the smallest repeating unit, repeat the corresponding number respectively, and with the help of computer software, first simulate on the 3D software to obtain the simulation model of the electromagnetic shielding part suitable for the electronic components to be shielded , and finally, according to the simulation model of the electromagnetic shielding part, the electromagnetic shielding part can be obtained by 3D printing through a 3D printing device. In this case, in the process of using the manufacturing method and device of the electromagnetic shielding provided by the present invention to prepare the electromagnetic shielding, since the process of simulating the electromagnetic shielding on the 3D software with the help of computer software is relatively convenient and easy to modify, Moreover, in the process of printing according to the simulation model, the precision and flexibility are high, so it can produce electromagnetic shielding parts for electrical equipment such as anisotropy and plane.

Embodiment four

The computer-readable storage medium provided by Embodiment 4 of the present invention stores a program for making an electromagnetic shield. When the program for making an electromagnetic shield is executed by a processor, the steps of the method for making an electromagnetic shield provided by the present invention are implemented.

During the joint application of the computer-readable storage medium provided by the fourth embodiment of the present invention and the 3D printing equipment to prepare the electromagnetic shielding part, firstly, according to the heat dissipation conditions and the electromagnetic wave band of the electronic component to be shielded, the shielding for the electronic component to be shielded is obtained. According to the shape parameters of the smallest repeating unit, the smallest repeating unit is first generated on the 3D software with the help of computer software, and then according to the personalized spatial configuration of the electronic components to be shielded, respectively in the space In the X, Y, and Z directions, based on the spatial configuration of the smallest repeating unit, repeat the corresponding number respectively. With the help of computer software, first simulate on the 3D software to obtain the electromagnetic shielding that is suitable for the electronic components to be shielded. Finally, according to the simulation model of the electromagnetic shielding part, the electromagnetic shielding part can be obtained by 3D printing through 3D printing equipment. In this case, in the process of using the manufacturing method and device of the electromagnetic shielding provided by the present invention to prepare the electromagnetic shielding, since the process of simulating the electromagnetic shielding on the 3D software with the help of computer software is relatively convenient and easy to modify, Moreover, in the process of printing according to the simulation model, the precision and flexibility are high, so it can produce electromagnetic shielding parts for electrical equipment such as anisotropy and plane.

Embodiment five

The electromagnetic shield provided by the fifth embodiment of the present invention is provided by the manufacturing method of the electromagnetic shield provided by the present invention, the manufacturing device of the electromagnetic shield provided by the present invention, the terminal provided by the present invention, the computer-readable storage medium provided by the present invention and the 3D Any preparation in the printing device is obtained.

The electromagnetic shield provided by Embodiment 5 of the present invention is printed by 3D printing equipment under the condition of computer software simulation. Usually, in the process of simulation with the help of computer software, the simulation can be easily performed on the computer software. In addition, in the process of modifying the simulation model, industrial materials will not be applied, and corresponding products do not need to be actually produced. Therefore, not only can human resources be saved, but also the damage caused by the application of industrial materials can be avoided. Loss and environmental pollution, and the electromagnetic shielding made in this way can be used to make electromagnetic shielding for anisotropic, planar and other electrical equipment.

Wherein, the spatial structure of the electromagnetic shielding member includes several minimum repeating units, several minimum repeating units are repeated and connected together in the space X and/or Y and/or Z directions, and several minimum repeating units are in the space X and/or Y and/or Or the number of repetitions in the Z direction is determined according to the spatial structure of the electronic components to be shielded.

Wherein, the material of the minimum repeating unit is a metal material or a non-metal material, wherein the surface of the non-metal material is coated with a metal conductive layer.

Wherein, the metal material is selected from one of stainless steel, aluminum alloy, copper alloy, and titanium alloy materials.

Wherein, the metallic conductive layer coated on the surface of the non-metallic material is selected from one of stainless steel, aluminum alloy, copper alloy, gold, silver, and chromium. In this embodiment, the metal conductive layer coated on the surface of the non-metallic material is an electroplating layer.

Embodiment six

Step S61: Use the 3D modeling software SolidWorks/UG to construct a unit cell structure, select a grid structure of 5×5×5, the volume ratio is 15%, and the minimum hole size is not greater than 3mm to ensure a good electromagnetic shielding effect.

Step S62: According to the final designed model, the unit cells in step S61 are arrayed to obtain the final 3D mesh model, and the 3D model is output as a data format dedicated to STL 3D printing.

Step S63: Input the STL model into the slice processing software, select the material as stainless steel, and set the forming parameters according to the software. The forming process adopts laser selective melting.

Step S64: Perform 3D printing according to the slice path. After the printing is completed, take it out from the powder tank, remove the excess powder, sandblast the part, and finish the grinding process to obtain an electromagnetic shielding part.

Embodiment seven

Step S71: Use the 3D modeling software SolidWorks/UG to build a unit cell structure, select a grid structure of 5×5×5, the volume ratio is 15%, and the minimum hole size is not greater than 3mm to ensure a good electromagnetic shielding effect.

Step S72: According to the final designed model, the unit cells in step S71 are arrayed to obtain the final 3D mesh model, and the 3D model is output as a data format dedicated to STL 3D printing.

Step S73: Input the STL model into the slice processing software, select the material as nylon polymer material, and set the forming parameters according to the software. The forming process adopts laser selective sintering.

Step S74: Perform 3D printing according to the slicing path. After printing, take it out of the powder tank and remove excess powder. The surface is activated by placing the shaped part in a surfactant. After the activation is completed, conductive silver, chromium and other materials are plated on the surface of the formed part to obtain an electromagnetic shielding part.

While preferred embodiments of the invention have been described, additional changes and modifications to these embodiments can be made by those skilled in the art once the basic inventive concept is appreciated. Therefore, it is intended that the appended claims be construed to cover the preferred embodiment as well as all changes and modifications which fall within the scope of the invention.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (10)

1. A manufacturing method of an electromagnetic shielding member, comprising the following steps: According to the heat dissipation conditions and the electromagnetic wave band of the electronic components to be shielded, the shape parameters of the smallest repeating unit of the shielding member for the electronic components to be shielded and the number of repetitions of the smallest repeating unit in the spatial X, Y, and Z directions respectively are obtained ; According to the shape parameters of the smallest repeating unit of the shielding member of the electronic component to be shielded and the repetition numbers of the smallest repeating unit in the X, Y, and Z directions of space respectively, the electronic components to be shielded are generated by 3D design software The simulation model of the electromagnetic shielding part; Through data conversion, the simulation model is converted into data available for 3D printing; Outputting the acquired data structure available for 3D printing to a 3D printing device for the 3D printing device to perform 3D printing to manufacture the electromagnetic shielding member. 2. The manufacturing method of the electromagnetic shielding member according to claim 1, wherein the 3D design software is selected from one of solidworks software, pro-E software, and UG software. 3. The manufacturing method of an electromagnetic shielding member according to claim 1, wherein the material used for the 3D printing is a metallic material or a non-metallic material, wherein the surface of the non-metallic material is coated with a metal conductive Floor; Preferably, the metal material is selected from one of stainless steel, aluminum alloy, copper alloy, and titanium alloy materials; Preferably, the metal conductive layer coated on the surface of the non-metallic material is selected from one of stainless steel, aluminum alloy, copper alloy, gold, silver, and chromium; Preferably, the metal conductive layer coated on the surface of the non-metallic material is coated on the surface of the non-metallic material by means of electroplating; Preferably, during the 3D printing process, the electromagnetic shielding member is printed and formed by laser selective melting or laser selective sintering; Preferably, after the electromagnetic shield is produced, further comprising the steps of sandblasting and polishing the electromagnetic shield in sequence; Preferably, the minimum repeating unit is a grid structure of 5×5×5, the volume ratio of the grid structure is 15%, and the minimum size of the grid structure is ≤3 mm; Preferably, the data available for 3D printing is dedicated data for STL 3D printing. 4. the manufacture method of electromagnetic shielding element according to claim 1, is characterized in that, the method for the simulation model of the electromagnetic shielding element of described to-be-shielded electronic components and parts by 3D design software generation comprises the following steps: According to the shape parameters of the minimum repeating unit of the shielding member of the electronic component to be shielded and the repetition numbers of the minimum repeating unit in the space X, Y, and Z directions respectively, in the 3D design software, in the space X, respectively, In the Y and Z directions, the corresponding repeating numbers of the minimum repeating unit are arrayed. 5. A manufacturing device for an electromagnetic shield, characterized in that it comprises: The data acquisition unit is used to obtain the shape parameters of the smallest repeating unit of the shielding member of the electronic component to be shielded and the shape parameters of the smallest repeating unit in the spaces X and Y respectively according to the heat dissipation conditions and the electromagnetic wave band of the electronic component to be shielded. , the number of repetitions in the Z direction; The simulation model generation unit is used to generate the target by 3D design software according to the shape parameters of the minimum repeating unit of the shielding member of the electronic component to be shielded and the repetition quantity of the minimum repeating unit in the space X, Y, and Z directions respectively. A simulation model of the electromagnetic shield of the electronic components to be shielded; A data conversion unit, configured to transform the simulation model into data available for 3D printing through data conversion; A 3D printing device, configured to perform 3D printing according to the acquired data structure available for 3D printing to manufacture the electromagnetic shielding member. 6. A terminal, characterized in that it includes a processor, a memory, a production program of an electromagnetic shielding member that is stored on the memory and can run on the processor, and a 3D printing device, When the manufacturing program of the electromagnetic shielding member is executed by the processor, the steps of the manufacturing method of the electromagnetic shielding member described in any one of claims 1 to 4 are realized; The 3D printing device is configured to perform 3D printing according to the manufacturing program of the electromagnetic shielding member to manufacture the electromagnetic shielding member. 7. A computer-readable storage medium, characterized in that, the computer-readable storage medium stores a program for making an electromagnetic shield, and when the program for making an electromagnetic shield is executed by a processor, claims 1 to 4 are realized The steps of the manufacturing method of any one of the electromagnetic shielding parts. 8. An electromagnetic shield, characterized in that, the electromagnetic shield passes through the manufacturing method of the electromagnetic shield according to any one of claims 1 to 4, the manufacturing device of the electromagnetic shield according to claim 5, and the right Any one of the terminal described in claim 6, the computer-readable storage medium and the 3D printing device described in claim 7 is prepared. 9. The electromagnetic shielding element according to claim 8, wherein the spatial structure of the electromagnetic shielding element comprises several minimum repeating units, and the several minimum repeating units repeat in the spatial X and/or Y and/or Z directions and connected together, the number of repetitions of the several minimum repeating units in the spatial X and/or Y and/or Z directions is determined according to the spatial structure of the electronic components to be shielded. 10. The electromagnetic shield according to claim 9, wherein the material of the smallest repeating unit is a metal material or a non-metal material, wherein the surface of the non-metal material is coated with a metal conductive layer; Preferably, the metal material is selected from one of stainless steel, aluminum alloy, copper alloy, and titanium alloy materials; Preferably, the metal conductive layer coated on the surface of the non-metallic material is selected from one of stainless steel, aluminum alloy, copper alloy, gold, silver, and chromium; Preferably, the metal conductive layer coated on the surface of the non-metallic material is an electroplating layer.