Embedded industrial control mainboard with anti-electromagnetic interference structure
By designing components such as shielding covers and thermal conductors on the embedded industrial control motherboard, the problem of the industrial control motherboard being susceptible to electromagnetic interference in harsh environments is solved, effectively resisting electromagnetic interference and assisting heat dissipation is achieved, and the stability and life of the motherboard are improved.
Patent Information
- Application Number
- CN202421227717.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-05-31
AI Technical Summary
Embedded industrial control motherboards are susceptible to external electromagnetic interference in harsh environments, resulting in abnormal overload and damage. The existing technology lacks an effective anti-electromagnetic interference structure.
An embedded industrial control motherboard with an anti-electromagnetic interference structure is designed, using components such as shielding cover, fixing screws and thermal conductor plates to shield external electromagnetic signals through shielding covers, and heat dissipation plates and heat dissipation fins are used to assist in heat dissipation.
It effectively reduces the impact of external electromagnetic interference on the industrial control motherboard, improves the anti-interference ability of the motherboard, and improves the stability and life of the motherboard through auxiliary heat dissipation.
Smart Images

Figure CN222690098U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of embedded industrial control computers, in particular to an embedded industrial control mainboard with an anti-electromagnetic interference structure. Background Art
[0002] An embedded industrial computer is an electronic computer device specially used in the field of industrial control. It usually has a small size and power consumption, can operate stably in harsh environments such as temperature and vibration, and is widely used in various industrial fields that require control and monitoring. The internal structure of an embedded industrial computer includes an industrial power supply, an all-steel chassis, an industrial control motherboard, a CPU card, memory, a graphics card, a hard disk, a floppy drive, a keyboard, a mouse, an optical drive, a monitor, etc. Among them, the industrial control motherboard, as an important component of the industrial computer, is mainly used to install hardware such as the CPU card, memory, a graphics card, and a hard disk.
[0003] However, when the embedded industrial control motherboard is installed inside the embedded industrial computer and used, some electromagnetic fields and interference signals generated by some electronic equipment outside the industrial computer when working can easily cause electromagnetic interference to the mainboard inside the industrial computer, which can seriously cause abnormal overload and damage to the mainboard of the industrial computer, causing the industrial computer to be scrapped. There is a shortcoming that the industrial control motherboard does not have anti-electromagnetic interference measures when it is installed and used.
[0004] Now, a new type of embedded industrial control motherboard with anti-electromagnetic interference structure is proposed to solve the above-mentioned shortcomings. Utility Model Content
[0005] The purpose of the utility model is to provide an embedded industrial control mainboard with an anti-electromagnetic interference structure to solve the problem in the above background technology that the industrial control mainboard does not have an anti-electromagnetic interference structure when installed and used.
[0006] To achieve the above object, the utility model provides the following technical solutions: an embedded industrial control mainboard with an anti-electromagnetic interference structure, comprising a connecting plate and a plate body, the front end of the connecting plate is provided with a plate body, and the front end of the outer side of the plate body is provided with an anti-interference structure for resisting electromagnetic interference to the mainboard assembly;
[0007] The anti-interference structure includes a shielding cover, a fixing screw, a second screw hole, an opening and an inner hole. A shielding cover is provided at the front end of the outside of the connecting plate, and inner holes are respectively provided at the top and bottom ends of both sides of the shielding cover. Fixing screws are provided inside the inner holes, second screw holes are respectively provided inside the top and bottom ends of both sides of the connecting plate, and an opening is provided inside the right side of the shielding cover.
[0008] Preferably, the shielding cover is made of nickel silver.
[0009] Preferably, the inner hole passes through the interior of one side of the shielding cover, the fixing screw passes through the interior of the inner hole, and the opening passes through the interior of the right side of the shielding cover.
[0010] Preferably, a through groove is opened inside the connecting plate, and a heat conducting plate is arranged at the rear end of the through groove, and a heat conducting sheet is glued and fixed to the front end of the heat conducting plate, and cooling fins are laterally fixed to the rear end of the heat conducting plate, and mounting blocks are respectively fixed to the top and bottom of both sides of the rear end of the plate body, and the front end of the heat conducting sheet is glued and fixed to the rear end of the plate body.
[0011] Preferably, connecting screws are respectively provided at the four corners of the rear end of the heat conducting plate, and the front ends of the connecting screws penetrate the interior of the heat conducting plate, and a third screw hole is opened inside the rear end of the mounting block.
[0012] Preferably, the heat dissipation fins are arranged in multiple groups at equal intervals at the rear end of the heat conducting plate, the heat conducting plate and the heat dissipation fins are made of pure copper, and the heat conducting sheet is made of silicone.
[0013] Preferably, pads are respectively fixed at the four corners of the rear end of the connecting plate, and a connecting pad is pasted and fixed to the rear end of the pad, reserved holes are respectively opened at the four corners of the front end of the connecting plate, and the reserved holes respectively penetrate the interior of the connecting plate and the pad, mounting bolts are arranged inside the reserved holes, and the rear ends of the mounting bolts respectively penetrate the interior of the reserved holes and the connecting pad, and the connecting pad is made of rubber.
[0014] Preferably, mounting screws are respectively provided at the four corners of the front end of the board body, and the rear ends of the mounting screws pass through the interior of the board body, a first screw hole is opened inside the front end of the connecting plate, a CPU mounting seat is provided at the middle position of the front end of the board body, and a memory stick mounting slot is provided at the top of the CPU mounting seat, and sockets are respectively provided at the top, bottom and right side of the front end of the board body.
[0015] Compared with the prior art, the beneficial effects of the utility model are: the embedded industrial control motherboard with anti-electromagnetic interference structure not only realizes the convenience of anti-electromagnetic interference of the industrial control motherboard, realizes the convenience of auxiliary heat dissipation of the industrial control motherboard, but also realizes the convenience of installation and fixation of the industrial control motherboard;
[0016] (1) By providing a connecting plate, a plate body, a shielding cover, fixing screws, a second screw hole, an opening and an inner hole, when the industrial control mainboard is installed and used, the plate body is fixed to the front end of the connecting plate by using the mounting screws, and then the shielding cover can be covered on the front end of the connecting plate, and two sets of fixing screws are used on both sides of the shielding cover to penetrate the inside of the inner hole and screwed into the second screw holes respectively, and then the shielding cover can be installed and fixed on the front end of the connecting plate. The shielding cover can assist the outer cover of the plate body to resist electromagnetic interference, shield external electromagnetic signals, and reduce and avoid the impact on the operation of the industrial control mainboard;
[0017] (2) By providing a connecting plate, a plate body, a through groove, a heat conducting sheet, a heat conducting plate, a mounting block, a third screw hole, a connecting screw and a heat dissipation fin, when installing the industrial control mainboard, the heat conducting sheet at the front end of the heat conducting sheet can be firstly pasted and fixed to the rear end of the plate body inside the through groove, and then four sets of connecting screws can be used to penetrate the interior of the heat conducting sheet and correspondingly screwed into the third screw hole, and then the heat conducting sheet can be fixedly mounted at the rear end of the plate body. The heat generated when the mainboard is working can be transferred to the heat conducting sheet through the heat conducting sheet, and then the heat can be quickly dissipated by the multiple sets of heat dissipation fins at the rear end of the heat conducting sheet, and the mainboard can be better dissipated by cooperating with the internal heat dissipation fan assembly of the industrial computer;
[0018] (3) By providing a connecting plate, a plate body, a reserved hole, a CPU mounting seat, a cushion block and mounting bolts, when the industrial control mainboard is installed and used, connecting pads are installed at the four corners of the rear end of the plate body. During installation, the four groups of connecting pads are respectively attached to the installation positions inside the industrial control computer, and then the mounting bolts are passed through the reserved holes and screwed into the mounting holes inside the industrial control computer housing and tightened. The four groups of connecting pads can be used to soft-press the plate body to be installed inside the industrial control computer housing, thereby reducing and avoiding the occurrence of thread slippage of the mounting bolts and holes during the installation process, and facilitating the installation and fixation of the industrial control mainboard. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;
[0020] Figure 2 This is a schematic diagram of the side structure of the connecting plate of the utility model;
[0021] Figure 3 It is a three-dimensional enlarged structural schematic diagram of the shielding cover of the utility model;
[0022] Figure 4 It is a schematic diagram of the side structure of the heat conducting plate of the utility model;
[0023] Figure 5 It is a rear view structural schematic diagram of the connection pad of the utility model.
[0024] In the figure: 1. connecting plate; 2. plate body; 3. CPU mounting seat; 4. memory module mounting slot; 5. shielding cover; 6. reserved hole; 7. first screw hole; 8. through slot; 9. mounting screw; 10. fixing screw; 11. second screw hole; 12. socket; 13. connecting pad; 14. pad; 15. mounting bolt; 16. opening; 17. inner hole; 18. heat conducting sheet; 19. heat conducting plate; 20. mounting block; 21. third screw hole; 22. connecting screw; 23. heat sink fin. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] Example 1: Please refer to Figure 1-5 , an embedded industrial control motherboard with an anti-electromagnetic interference structure, comprising a connecting plate 1 and a board body 2, the front end of the connecting plate 1 is provided with the board body 2, four corners of the front end of the board body 2 are respectively provided with mounting screws 9, and the rear end of the mounting screws 9 passes through the inside of the board body 2, a first screw hole 7 is opened inside the front end of the connecting plate 1, a CPU mounting seat 3 is provided at the middle position of the front end of the board body 2, and a memory bar mounting slot 4 is provided at the top of the CPU mounting seat 3, a socket 12 is respectively provided at the top, bottom and right side of the front end of the board body 2, and an anti-interference structure for anti-electromagnetic interference of the mainboard component is provided at the front end of the board body 2;
[0027] The anti-interference structure includes a shielding cover 5, a fixing screw 10, a second screw hole 11, an opening 16 and an inner hole 17. The shielding cover 5 is provided at the front end of the outside of the connecting plate 1, and the inner holes 17 are respectively provided at the top and bottom ends of both sides of the shielding cover 5. The fixing screws 10 are provided inside the inner holes 17. The second screw holes 11 are respectively provided inside the top and bottom ends of both sides of the connecting plate 1. The opening 16 is provided inside the right side of the shielding cover 5.
[0028] The shielding cover 5 is made of nickel silver, the inner hole 17 passes through the inside of one side of the shielding cover 5, the fixing screw 10 passes through the inside of the inner hole 17, and the opening 16 passes through the inside of the right side of the shielding cover 5;
[0029] Specifically, Figure 1-Figure 3As shown, after the plate body 2 is fixed to the front end of the connecting plate 1 by using the mounting screws 9, the shielding cover 5 can then be covered on the front end of the connecting plate 1, and two sets of fixing screws 10 are used on both sides of the shielding cover 5 to penetrate the interior of the inner hole 17 and correspondingly screwed into the second screw holes 11. Then, the shielding cover 5 can be installed and fixed to the front end of the connecting plate 1. The shielding cover 5 can be provided to assist the outer cover of the plate body 2 in resisting electromagnetic interference, and to shield and prevent interference from external electromagnetic signals.
[0030] Embodiment 2: A through slot 8 is provided inside the connecting plate 1, and a heat conducting plate 19 is provided at the rear end of the through slot 8, and a heat conducting sheet 18 is glued and fixed to the front end of the heat conducting plate 19, and a heat dissipation fin 23 is transversely fixed to the rear end of the heat conducting plate 19, and mounting blocks 20 are respectively fixed to the top and bottom of both sides of the rear end of the plate body 2, and the front end of the heat conducting sheet 18 is glued and fixed to the rear end of the plate body 2. A through slot 8 is provided inside the connecting plate 1, and a heat conducting plate 19 is provided at the rear end of the through slot 8, and a heat conducting sheet 18 is glued and fixed to the front end of the heat conducting plate 19, and the heat conducting sheet 18 is glued and fixed to the rear end of the heat conducting plate 19. The rear end of the plate 2 is laterally fixed with heat dissipation fins 23, the top and bottom of both sides of the rear end of the plate body 2 are respectively fixed with mounting blocks 20, the front end of the heat conductive sheet 18 is glued and fixed to the rear end of the plate body 2, and connecting screws 22 are respectively provided at the four corners of the rear end of the heat conductive plate 19, and the front end of the connecting screws 22 passes through the interior of the heat conductive plate 19, and a third screw hole 21 is provided inside the rear end of the mounting block 20, and multiple groups of heat dissipation fins 23 are arranged at equal intervals at the rear end of the heat conductive plate 19, the heat conductive plate 19 and the heat dissipation fins 23 are made of pure copper, and the heat conductive sheet 18 is made of silicone;
[0031] Specifically, Figure 1 and Figure 4 As shown, the heat conducting sheet 18 at the front end of the heat conducting plate 19 can be pasted and fixed to the rear end of the plate body 2 inside the through slot 8, and then four sets of connecting screws 22 are used to penetrate the interior of the heat conducting plate 19 and correspondingly screwed into the third screw holes 21, and then the heat conducting plate 19 can be fixedly installed at the rear end of the plate body 2. The heat generated when the mainboard is working can be transferred to the heat conducting plate 19 through the heat conducting sheet 18, and then the heat can be quickly dissipated by the multiple sets of heat dissipation fins 23 at the rear end of the heat conducting plate 19.
[0032] Embodiment 3: Pads 14 are fixed to the four corners of the rear end of the connecting plate 1, and a connecting pad 13 is fixed to the rear end of the pad 14 by adhesive, and reserved holes 6 are respectively opened at the four corners of the front end of the connecting plate 1, and the reserved holes 6 respectively penetrate the interior of the connecting plate 1 and the pad 14, and mounting bolts 15 are arranged inside the reserved holes 6, and the rear ends of the mounting bolts 15 respectively penetrate the interior of the reserved holes 6 and the connecting pad 13, and the connecting pad 13 is made of rubber;
[0033] Specifically, Figure 1 , Figure 2 and Figure 5 As shown, connection pads 13 are installed at the four corners of the rear end of the plate body 2. During installation, the four groups of connection pads 13 are respectively attached to the corresponding installation positions inside the industrial computer, and then the installation bolts 15 are used to penetrate the inside of the reserved holes 6 and screw them into the installation holes inside the industrial computer housing and tighten them. The four groups of connection pads 13 can be set up by soft crimping the plate body 2 inside the industrial computer housing, reducing and avoiding the occurrence of thread slippage of the installation bolts 15 and the holes during the installation process.
[0034] Working principle: When the utility model is installed and used, the plate body 2 is fixed to the front end of the connecting plate 1 by using the installation screws 9, and then the shielding cover 5 can be covered on the front end of the connecting plate 1, and two sets of fixing screws 10 are used on both sides of the shielding cover 5 to penetrate the interior of the inner hole 17 and screw into the second screw holes 11 accordingly, and then the shielding cover 5 can be installed and fixed to the front end of the connecting plate 1. The shielding cover 5 can be used to assist the outside of the plate body 2 to resist electromagnetic interference and shield external electromagnetic signals. At the same time, when the industrial control motherboard is installed, the heat conducting sheet 18 at the front end of the heat conducting plate 19 can be pasted and fixed to the rear end of the plate body 2 in the through groove 8, and then four sets of connecting screws 22 are used to penetrate the interior of the heat conducting plate 19 and screw into the third screw holes 21 accordingly, and then the heat conducting plate 19 is fixedly installed at the rear end of the board body 2. The heat generated when the mainboard is working can be transferred to the heat conducting plate 19 through the heat conducting sheet 18, and then the heat can be quickly dissipated by the multiple groups of heat dissipating fins 23 at the rear end of the heat conducting plate 19. The mainboard can be better dissipated by cooperating with the internal cooling fan assembly of the industrial computer. When the industrial control mainboard is installed and used, connecting pads 13 are respectively installed at the four corners of the rear end of the board body 2. During installation, the four groups of connecting pads 13 are respectively attached to the installation positions inside the industrial computer, and then the mounting bolts 15 are used to penetrate the inside of the reserved holes 6 and screw them into the mounting holes inside the industrial computer housing and tighten them. The four groups of connecting pads 13 can be set to install the board body 2 in the inside of the industrial computer housing with soft crimping, so as to reduce and avoid the slippage of the mounting bolts 15 and the holes during the installation process.
[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. An embedded industrial control motherboard with an anti-electromagnetic interference structure, comprising a connecting board (1) and a board body (2), characterized in that: The front end of the connecting plate (1) is provided with a plate body (2), and the front end of the outside of the plate body (2) is provided with an anti-interference structure for resisting electromagnetic interference to the mainboard component; The anti-interference structure comprises a shielding cover (5), a fixing screw (10), a second screw hole (11), an opening (16) and an inner hole (17); a shielding cover (5) is arranged at the front end of the outside of the connecting plate (1), and inner holes (17) are respectively provided at the top and bottom ends of both sides of the shielding cover (5); fixing screws (10) are arranged inside the inner holes (17); second screw holes (11) are respectively provided inside the top and bottom ends of both sides of the connecting plate (1), and an opening (16) is provided inside the right side of the shielding cover (5).
2. The embedded industrial control motherboard with anti-electromagnetic interference structure according to claim 1, characterized in that: The shielding cover (5) is made of nickel silver.
3. The embedded industrial control motherboard with anti-electromagnetic interference structure according to claim 1, characterized in that: The inner hole (17) passes through the interior of one side of the shielding cover (5), the fixing screw (10) passes through the interior of the inner hole (17), and the opening (16) passes through the interior of the right side of the shielding cover (5).
4. The embedded industrial control motherboard with an anti-electromagnetic interference structure according to claim 1, characterized in that: A through slot (8) is provided inside the connecting plate (1), and a heat conducting plate (19) is provided at the rear end of the through slot (8), and a heat conducting sheet (18) is glued and fixed to the front end of the heat conducting plate (19), and a heat dissipation fin (23) is transversely fixed to the rear end of the heat conducting plate (19), and mounting blocks (20) are respectively fixed to the top and bottom of both sides of the rear end of the plate body (2), and the front end of the heat conducting sheet (18) is glued and fixed to the rear end of the plate body (2).
5. The embedded industrial control motherboard with anti-electromagnetic interference structure according to claim 4, characterized in that: Connecting screws (22) are respectively arranged at the four corners of the rear end of the heat conducting plate (19), and the front ends of the connecting screws (22) penetrate the interior of the heat conducting plate (19), and a third screw hole (21) is opened inside the rear end of the mounting block (20).
6. The embedded industrial control motherboard with anti-electromagnetic interference structure according to claim 4, characterized in that: The heat dissipation fins (23) are arranged in multiple groups at equal intervals at the rear end of the heat conduction plate (19); the heat conduction plate (19) and the heat dissipation fins (23) are made of pure copper, and the heat conduction plate (18) is made of silica gel.
7. The embedded industrial control motherboard with anti-electromagnetic interference structure according to claim 1, characterized in that: Pads (14) are fixed at the four corners of the rear end of the connecting plate (1), and a connecting pad (13) is fixed to the rear end of the pad (14) by adhesive bonding. Reserved holes (6) are respectively opened at the four corners of the front end of the connecting plate (1), and the reserved holes (6) respectively penetrate the interior of the connecting plate (1) and the pad (14). Mounting bolts (15) are arranged inside the reserved holes (6), and the rear ends of the mounting bolts (15) respectively penetrate the interior of the reserved holes (6) and the connecting pad (13), and the connecting pad (13) is made of rubber.
8. The embedded industrial control motherboard with anti-electromagnetic interference structure according to claim 1, characterized in that: The four corners of the front end of the plate body (2) are respectively provided with mounting screws (9), and the rear ends of the mounting screws (9) penetrate the interior of the plate body (2); the interior of the front end of the connecting plate (1) is provided with a first screw hole (7); a CPU mounting seat (3) is provided at the middle position of the front end of the plate body (2), and a memory bar mounting slot (4) is provided at the top of the CPU mounting seat (3); and sockets (12) are respectively provided at the top, bottom and right side of the front end of the plate body (2).