A mine-used circuit board with a flexible protection structure
By setting a protective frame, protective cover, and heat-conducting structure on the mining circuit board, the problems of unstable installation and insufficient heat dissipation are solved, achieving all-round protection and efficient heat dissipation of the circuit board and extending its service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU BIAOPINJIE ELECTRONIC TECH CO LTD
- Filing Date
- 2025-05-28
- Publication Date
- 2026-07-07
AI Technical Summary
Existing mining circuit boards are not securely installed, are prone to loosening after prolonged use, are difficult to disassemble, and lack comprehensive protection and efficient heat dissipation, which can easily damage the circuit boards.
A flexible protective structure consisting of a protective frame, protective cover, rubber pads, and rubber interlayer is adopted, combined with a heat dissipation structure consisting of heat-conducting rods, heat-conducting plates, heat-conducting adhesive, and heat dissipation holes, forming a surrounding flexible protection that enhances the protection and heat dissipation performance of the circuit board.
It effectively prevents circuit boards from being damaged by bumps or drops, improves heat dissipation, and extends service life.
Smart Images

Figure CN224473594U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of circuit board technology, specifically to a mining circuit board with a flexible protective structure. Background Technology
[0002] Mining circuit boards are essential devices specifically designed for the control, monitoring, and protection of electrical equipment in coal mines and other mining environments. They typically consist of multiple chips and electronic components, converting electrical signals into digital or control signals. However, existing mining circuit boards are not securely mounted, making them prone to loosening over time. Furthermore, disassembly after installation is inconvenient, and forced removal can easily damage the circuit board.
[0003] A search revealed a utility model patent with publication number CN207070540U, which discloses a fixing structure for a circuit board with protective sleeves embedded at its four corners. The structure includes locking screws, locking plates, protective rubber, and a circuit board. The fixing device body has a base plate, with fixing blocks at each of the four bottom corners. Locking bases are located at each of the four top corners of the base plate, and protective rubber is installed on the top of each locking base. Locking plates are located on the top of each locking base, and protective rubber is installed on the bottom of each locking plate. The circuit board is placed between the locking plates and the locking bases and is fixed by locking screws.
[0004] The aforementioned patent only effectively fixes the main body of the fixing device by using fixing blocks, which improves the stability of the fixing device and prevents the phenomenon of displacement during use. However, it cannot fully protect the circuit board in all aspects. Long-term use can still easily damage the circuit board, and the structure also lacks the effect of centralized and efficient heat dissipation.
[0005] Therefore, it is necessary to invent a mining circuit board with a flexible protective structure to solve the above problems. Utility Model Content
[0006] The purpose of this utility model is to provide a mining circuit board with a flexible protective structure. Through the inclusion of a protective frame, protective cover, rubber pads, and rubber interlayer, the circuit board is wrapped and protected during use and transportation. Combined with a surrounding flexible protective structure formed by anti-collision silicone, it effectively prevents damage to the circuit board from impacts or drops. The heat dissipation structure, composed of a heat-conducting rod, heat-conducting plate, heat-conducting adhesive, heat dissipation hole one, heat-conducting silicone grease, and heat dissipation hole two, improves the heat dissipation effect of the circuit board. This allows for both good protection and efficient heat dissipation, effectively extending the service life of the circuit board. This addresses the problems of existing technologies that cannot adequately protect the circuit board in all aspects, are prone to damage even after prolonged use, and lack centralized and efficient heat dissipation.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a mining circuit board with a flexible protective structure, comprising a protective frame, two limiting grooves on both sides of the inner wall of the protective frame, the two limiting grooves being symmetrically distributed about the central axis of the protective frame, a rubber pad fixedly connected to the top of the two limiting grooves, the mining circuit board body being movably placed on the top of the rubber pad, grooves being provided at the four corners of the bottom of the protective frame, bolts being threadedly connected to the inside of the grooves, the bolts being threadedly connected to the protective frame, a protective cover being detachably connected to the top of the protective frame by bolts, the protective cover being threadedly connected to the bolts, the end of the bolts extending to the top of the protective cover and movably fitted with a nut, the nut being threadedly connected to the bolts, a rubber interlayer being fixedly snapped between the protective frame and the protective cover, and anti-collision silicone being fixed at equal intervals on both sides and bottom of the protective frame and top of the protective cover.
[0008] Preferably, heat-conducting rods are fixed at equal intervals on both sides of the protective frame, and a heat-conducting plate is fixedly connected between the upper end of the heat-conducting rod and the main body of the mining circuit board. A cavity and a heat dissipation hole are opened at equal intervals on both sides of the protective frame. The cavity is connected to the heat dissipation hole, and the heat dissipation hole extends to the bottom of the protective frame. The cavity is fixedly connected to the heat-conducting rod.
[0009] Preferably, the cavity is filled with thermally conductive adhesive.
[0010] Preferably, a supporting copper plate is movably provided at the bottom of the mining circuit board body, and the supporting copper plate is fixedly connected to the inner wall of the protective frame.
[0011] Preferably, a thermally conductive metal shell is fixed at equal intervals at the bottom of the supporting copper plate, and the interior of the thermally conductive metal shell is filled with thermally conductive silicone grease.
[0012] Preferably, the bottom of the protective frame has two heat dissipation holes that are equidistantly opened and closed, and the two heat dissipation holes are connected to the cavity of the heat-conducting metal shell.
[0013] The technical effects and advantages provided by this utility model in the above technical solution are as follows:
[0014] 1. The protective frame, protective cover, rubber pads, and rubber interlayer provide enveloping protection for the mining circuit board during use and transportation. Combined with the surrounding flexible protective structure formed by anti-collision silicone, it effectively prevents damage to the mining circuit board due to bumps or drops. The heat dissipation structure, consisting of a heat-conducting rod, heat-conducting plate, heat-conducting adhesive, heat dissipation hole one, heat-conducting silicone grease, and heat dissipation hole two, improves the heat dissipation effect of the mining circuit board. This allows it to have both good protection and good heat dissipation, effectively extending the service life of the mining circuit board. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a bottom view of the structure of this utility model;
[0018] Figure 3 This is a cross-sectional structural diagram of the connection between the protective frame and the thermally conductive adhesive of this utility model.
[0019] Figure 4 For the present utility model Figure 3 Enlarged structural diagram at point A in the middle;
[0020] Figure 5 This is a cross-sectional structural diagram of the connection between the protective frame and the thermal grease of this utility model.
[0021] Explanation of reference numerals in the attached figures:
[0022] 1. Protective frame; 2. Limiting groove; 3. Rubber pad; 4. Mining circuit board body; 5. Groove; 6. Bolt; 7. Protective cover; 8. Nut; 9. Rubber interlayer; 10. Anti-collision silicone; 11. Heat-conducting rod; 12. Heat-conducting plate; 13. Cavity; 14. Thermally conductive adhesive; 15. Heat dissipation hole one; 16. Supporting copper plate; 17. Thermally conductive metal shell; 18. Thermally conductive silicone grease; 19. Heat dissipation hole two. Detailed Implementation
[0023] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.
[0024] This utility model provides, for example Figure 1-5 The diagram shows a mining circuit board with a flexible protective structure, comprising a protective frame 1. Two limiting grooves 2 are formed on both sides of the inner wall of the protective frame 1, symmetrically distributed about the central axis of the protective frame 1. Rubber pads 3 are fixedly connected to the top of the two limiting grooves 2, and the mining circuit board body 4 is movably placed on top of the rubber pads 3. Grooves 5 are formed at the four corners of the bottom of the protective frame 1, and bolts 6 are threaded into the interior of the grooves 5. The bolts 6 are threadedly connected to the protective frame 1. A protective cover 7 is detachably connected to the top of the protective frame 1 via bolts 6, and the protective cover 7 is threadedly connected to the bolts 6. The end of the bolt 6 extends to the top of the protective cover 7 and is movably fitted with a nut 8, which is threadedly connected to the bolt 6. A rubber interlayer 9 is fixedly connected between the protective frame 1 and the protective cover 7. Anti-collision silicone 10 is fixed at equal intervals on both sides and bottom of the protective frame 1 and top of the protective cover 7. The structure of the limiting groove 2 provides good support for the mining circuit board body 4. Rubber pads 3 are set on the contact surface between the mining circuit board body 4 and the limiting groove 2 to buffer vibration and absorb energy, thus protecting the mining circuit board body 4. A rubber interlayer 9 with buffering energy is also set between the protective cover 7 and the mining circuit board body 4 to improve the protection of the mining circuit board body 4. Bolts 6 and nuts 8 cooperate to securely connect the protective frame 1 and the protective cover 7. The protective frame 1 and the protective cover 7 can be removed by unscrewing the nuts 8, which facilitates internal maintenance.
[0025] Heat-conducting rods 11 are fixedly fixed at equal intervals on both sides of the protective frame shell 1. A heat-conducting plate 12 is fixedly connected between the upper end of the heat-conducting rods 11 and the main body of the mining circuit board 4. A cavity 13 and a heat dissipation hole 15 are opened at equal intervals on both sides of the protective frame shell 1. The cavity 13 is connected to the heat dissipation hole 15. The heat dissipation hole 15 extends to the bottom of the protective frame shell 1. The cavity 13 is fixedly connected to the heat-conducting rods 11. The anti-collision silicone 10 is set so that it can pre-contact and buffer the impact force when the device falls, and can protect the protective frame shell 1 and the protective cover 7 to avoid damage.
[0026] The cavity 13 is filled with thermally conductive adhesive 14. The heat dissipation hole 15 can improve the heat dissipation effect of the thermally conductive adhesive 14. The use of aluminum alloy to make the heat-conducting rod 11 and heat-conducting plate 12 can further improve the heat conduction effect.
[0027] A supporting copper plate 16 is movably provided at the bottom of the mining circuit board body 4, and the supporting copper plate 16 is fixedly connected to the inner wall of the protective frame shell 1.
[0028] A thermally conductive metal shell 17 is fixed at equal intervals at the bottom of the supporting copper plate 16, and the interior of the thermally conductive metal shell 17 is filled with thermally conductive silicone grease 18.
[0029] The bottom of the protective frame 1 has equidistant heat dissipation holes 19. The heat dissipation holes 19 are connected to the cavity of the heat-conducting metal shell 17, which can play a good heat absorption role. They can absorb the heat on the mining circuit board body 4 and discharge it through the heat dissipation holes 19, ensuring the safety of the mining circuit board body 4 and the heat dissipation and ventilation effect of the structure.
[0030] The working principle of this practical application is as follows:
[0031] The mining circuit board body 4 is placed on the rubber pad 3, and the bolt 6 is turned into the groove 5 until it penetrates the protective frame shell 1 and the protective cover 7. It is then fixed by the threaded connection between the nut 8 and the bolt 6. The mining circuit board body 4 is wrapped by the protective frame shell 1 and the protective cover 7 for protection. The external structure of the protective frame shell 1 and the protective cover 7 is protected by the anti-collision silicone 10. The heat conduction rod 11 and the heat conduction plate 12 conduct the heat of the mining circuit board body 4 to the heat conduction adhesive 14. The heat conduction adhesive 14 is used to conduct the heat out through the heat dissipation hole 15. Then, the heat in the supporting copper plate 16 and the mining circuit board body 4 is conducted out through the heat dissipation hole 2 19 by the heat conduction grease 18.
[0032] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A mining circuit board with a flexible protective structure, comprising a protective frame (1), characterized in that: The inner wall of the protective frame (1) has two limiting grooves (2) on both sides. The two limiting grooves (2) are symmetrically distributed about the central axis of the protective frame (1). A rubber pad (3) is fixedly connected to the top of the two limiting grooves (2). A mining circuit board body (4) is movably placed on the top of the rubber pad (3). The four corners of the bottom of the protective frame (1) are provided with grooves (5). Bolts (6) are threaded into the grooves (5). The bolts (6) are connected to the protective frame (1). 1) Threaded connection: The top of the protective frame (1) is detachably connected to a protective cover (7) by a bolt (6). The protective cover (7) is threadedly connected to the bolt (6). The end of the bolt (6) extends to the top of the protective cover (7) and is movably fitted with a nut (8). The nut (8) is threadedly connected to the bolt (6). A rubber interlayer (9) is fixedly snapped between the protective frame (1) and the protective cover (7). Anti-collision silicone (10) is fixed at equal intervals on both sides and bottom of the protective frame (1) and the top of the protective cover (7).
2. A mining circuit board with a flexible protective structure according to claim 1, characterized in that: Heat-conducting rods (11) are fixed at equal intervals on both sides of the protective frame (1). A heat-conducting plate (12) is fixedly connected between the upper end of the heat-conducting rod (11) and the main body (4) of the mining circuit board. A cavity (13) and a heat dissipation hole (15) are opened at equal intervals on both sides of the protective frame (1). The cavity (13) is connected to the heat dissipation hole (15). The heat dissipation hole (15) extends to the bottom of the protective frame (1). The cavity (13) is fixedly connected to the heat-conducting rod (11).
3. A mining circuit board with a flexible protective structure according to claim 2, characterized in that: The cavity (13) is filled with thermally conductive adhesive (14).
4. A mining circuit board with a flexible protective structure according to claim 1, characterized in that: A supporting copper plate (16) is movably provided at the bottom of the mining circuit board body (4), and the supporting copper plate (16) is fixedly connected to the inner wall of the protective frame (1).
5. A mining circuit board with a flexible protective structure according to claim 4, characterized in that: The bottom of the supporting copper plate (16) is fixed with a thermally conductive metal shell (17) at equal intervals, and the interior of the thermally conductive metal shell (17) is filled with thermally conductive silicone grease (18).
6. A mining circuit board with a flexible protective structure according to claim 1, characterized in that: The bottom of the protective frame (1) has two heat dissipation holes (19) that are equidistantly opened and closed, and the two heat dissipation holes (19) are connected to the cavity of the heat-conducting metal shell (17).