A brush face explosion-proof touch screen for mine

Abstract

The utility model discloses a kind of mining face-lifting explosion-proof touch screen, including explosion-proof toughened glass, touch screen, frame, connecting frame, back cover and circuit board.Explosion-proof toughened glass back center is seamlessly bonded touch screen by OCA glue, its edge forms connecting area to be used to bond frame;Frame is equipped with the accommodating cavity with reinforcing rib, connecting frame is fixed on reinforcing rib by screw and covers accommodating cavity;Circuit board is installed in the space surrounded by frame and connecting frame, and riveted on the lug plate of connecting frame;Back cover is fixed on the fixed plate of connecting frame by nut.The above components are sequentially stacked to form a sealed explosion-proof structure.The utility model is compact, multi-layer sealing and integrated reinforcement design, which significantly improves the explosion-proof safety and structural stability of the equipment, and facilitates standardized assembly production.

Description

Technical Field

[0001] This utility model relates to the field of mining electrical equipment technology, and in particular to a mining-use facial recognition explosion-proof touch screen. Background Technology

[0002] Explosion-proof electrical equipment for mining is a critical safety feature in coal mines, metal mines, and other environments containing explosive gases. In such environments, facial recognition configuration screens used for personnel authentication, equipment status monitoring, and parameter setting are increasingly widely applied. However, the working conditions underground in mines are extremely harsh, with high concentrations of flammable and explosive substances such as methane and coal dust, accompanied by humidity, dust, and potential mechanical impacts. This places extremely stringent requirements on the structural safety and reliability of the configuration screens.

[0003] Currently, the commonly used mining configuration panels on the market still have many shortcomings in their structural design. First, their explosion-proof performance often relies on thickened shells or simple sealing treatments. The sealing structure design at the joints between various components (such as the front panel, frame, and rear cover) is not precise enough, easily creating weak points in explosion protection. When the internal circuit of the equipment generates electrical sparks or local explosions due to faults, such simple seals may not be able to effectively cool the flames and block the explosion propagation path, posing a safety hazard of igniting external hazardous gases.

[0004] Secondly, the touchscreen, as the core of human-computer interaction, is often poorly protected. Improper handling of the bonding method between the touchscreen and the external protective glass, as well as the fit between its edges and the fixed frame, may lead to deformation or cracking under the complex stress environment downhole (such as vibration and temperature changes). This will not only affect the touch function but also damage the overall sealing integrity.

[0005] Furthermore, the internal structure of existing equipment is often loosely laid out, and the circuit boards are not securely fixed, making them prone to loosening during transportation and use, affecting the reliability of electrical connections. At the same time, the overall assembly process is cumbersome, hindering efficient assembly line production and subsequent maintenance, increasing manufacturing costs and operational difficulties.

[0006] Therefore, there is an urgent need in this field for a new type of explosion-proof facial recognition configuration screen for mining applications. It must be able to fundamentally solve the above problems and provide an overall technical solution that is more reliable in sealing, more robust in structure, fully protects the touch screen, and is easy to assemble and maintain. Utility Model Content

[0007] In order to overcome the above-mentioned defects of the prior art, the present invention provides a mine-use facial recognition explosion-proof touch screen.

[0008] To achieve the above objectives, the innovative points of this utility model are as follows: including: Explosion-proof tempered glass, touch screen, frame, connecting frame, back cover and circuit board; The touch screen is seamlessly bonded to the center of the back of the explosion-proof tempered glass using OCA adhesive, and the area of ​​the explosion-proof tempered glass is larger than the area of ​​the touch screen, thus forming a connection area at the back edge of the explosion-proof tempered glass. The frame is attached to the connection area using electronic positioning adhesive; The frame has a downward-opening receiving cavity, and the periphery of the receiving cavity is provided with upward-extending reinforcing ribs; The connecting frame is fixed to the reinforcing rib with screws and the receiving cavity is sealed. The circuit board is mounted within the space enclosed by the frame and connecting frame; The connecting frame has a fixing groove in the center, and ear plates are provided at the corners of the fixing groove. The circuit board is riveted to the ear plates. The edge of the fixing groove is provided with an upwardly extending fixing plate, and the rear cover is fixed to the fixing plate by a nut; The explosion-proof tempered glass, frame, connecting frame and back cover are stacked in sequence to form a sealed explosion-proof structure.

[0009] Furthermore, the aforementioned receiving cavity is a rectangular hollowed-out groove with reinforcing ribs vertically upwards, and is integrally formed with the frame.

[0010] Furthermore, the aforementioned fixing groove is located directly above the receiving cavity and aligned with the receiving cavity.

[0011] Furthermore, the aforementioned touchscreen completely covers the center of the back of the explosion-proof tempered glass, and there is a gap between the inner edge of the frame and the outer edge of the touchscreen.

[0012] Furthermore, a sealing ring is provided between the aforementioned rear cover and the fixing plate to enhance the explosion-proof performance. The beneficial effects of this utility model are: Significantly Enhanced Explosion-Proof Safety Performance: This invention utilizes a compact structure with layers of explosion-proof tempered glass, frame, connecting frame, and back cover, combined with OCA adhesive, electronic positioning adhesive, and mechanical fastening with screws and nuts, to construct a robust, multi-layered sealed shell. This structure effectively cools and isolates potential electrical sparks or explosive flames from internal circuitry, greatly enhancing the inherent safety and reliability of the equipment in flammable and explosive environments such as mines.

[0013] The structure is robust and easy to assemble: By designing the frame and reinforcing ribs as a single molded structure, and providing precisely fitting fixing slots and ear plates for the connecting frame, the circuit board can be stably installed within the enclosed space formed by the frame and connecting frame. This design not only significantly enhances the overall mechanical strength and impact resistance of the equipment, but also ensures clear connections and precise positioning between components, making it highly suitable for standardized assembly line assembly, thereby improving production efficiency and product consistency. Attached Figure Description

[0014] Figure 1 This is an isometric drawing of the entire utility model.

[0015] Figure 2 This is a three-dimensional structural diagram of the connection between the frame and the connecting frame of this utility model.

[0016] Figure 3 This is a side sectional view of the present invention. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] The core working principle of this invention is as follows: a multi-layered, progressively sealed mechanical structure completely encloses the precision touchscreen 2 and circuit board 6 within a robust explosion-proof housing. When a fault in the internal circuitry generates an electrical spark, this structure effectively cools the flame, prevents the spark from propagating, and withstands the internal explosion pressure, thereby preventing the ignition of flammable and explosive gases outside the housing in the mine and achieving intrinsic safety.

[0019] Example 1: Overall Structure and Assembly Process This embodiment is a detailed elaboration of the overall solution protected by this utility model.

[0020] See Figure 1 and Figure 3 The explosion-proof facial recognition configuration screen for mining applications of this utility model includes an explosion-proof tempered glass 1, a touch screen 2, a frame 3, a connecting frame 4, a back cover 5, and a circuit board 6 in its main structure.

[0021] During assembly, the touchscreen 2 is first seamlessly bonded to the center of the back of the explosion-proof tempered glass 1 using high-transmittance OCA adhesive. Here, the area of ​​the explosion-proof tempered glass 1 is designed to be larger than the area of ​​the touchscreen 2, thus naturally forming an unobstructed connection area at its back edge.

[0022] Next, frame 3 is precisely bonded to the aforementioned connection area using high-strength electronic positioning adhesive. For example... Figure 2 and Figure 3 As shown, the frame 3 is designed with a downward-opening rectangular receiving cavity 31, and the periphery of the receiving cavity 31 is provided with integrally formed and vertically upward-extending reinforcing ribs 32. These reinforcing ribs 32 greatly enhance the structural rigidity of the frame 3.

[0023] Then, the connecting frame 4 is fixedly installed on top of the reinforcing rib 32 using screws 9. The connecting frame 4 thus covers the receiving cavity 31 of the frame 3, and the two together form a closed space for installing internal components.

[0024] See Figure 2 and Figure 3 A fixing groove 41 is provided at the center of the connecting frame 4, and upward-protruding ear plates 42 are provided at the corners of the fixing groove 41. The circuit board 6 is firmly fixed to these ear plates 42 by riveting, thereby stably suspending it within the aforementioned enclosed space. The circuit board 6 integrates a face recognition camera, a processing chip, and necessary interface circuits.

[0025] Finally, after completing the internal wiring, a final seal is performed. An upwardly extending fixing plate 43 is provided at the edge of the fixing groove 41 of the connecting frame 4. The rear cover 5 is locked onto the fixing plate 43 using nuts 10. Figure 3 As shown, the explosion-proof tempered glass 1, frame 3, connecting frame 4 and back cover 5 are stacked and pressed together in sequence. Through the combined action of OCA glue, electronic positioning glue and mechanical fastening (screws and nuts), a series of reliable sealing barriers are formed, constituting a complete explosion-proof structure.

[0026] Example 2: Integrated structure of frame and reinforcing ribs This embodiment is a further refinement of the present invention.

[0027] like Figure 2 As shown, in this embodiment, the receiving cavity 31 of the frame 3 is specifically a rectangular hollow groove. The reinforcing rib 32 and the frame 3 are integrally formed by casting or CNC machining, ensuring extremely high structural strength and integrity. This vertically upward integrated reinforcing rib 32 design not only provides a sturdy mounting surface for the connecting frame 4, but also significantly improves the deformation resistance of the entire configuration screen when subjected to external impact or internal explosive pressure.

[0028] Example 3: Alignment between the fixing groove and the receiving cavity This embodiment is a further explanation of the present invention.

[0029] See Figure 3This embodiment emphasizes the spatial relationship between the fixing groove 41 on the connecting frame 4 and the receiving cavity 31 on the frame 3. The fixing groove 41 is precisely "located directly above the receiving cavity 31", and the two are perfectly "aligned" on the horizontal plane. This precise alignment design ensures that the internal mounting space enclosed by the frame 3 and the connecting frame 4 is regular and continuous in the vertical direction, providing an ideal environment for the stable installation of the circuit board 6 and avoiding assembly interference or space waste caused by misalignment.

[0030] Example 4: Edge protection gap of the touch screen This embodiment is a further explanation of the present invention.

[0031] like Figure 3 As shown, the touchscreen 2 completely covers the center of the back of the explosion-proof tempered glass 1, but a certain gap is intentionally designed and maintained between its outer edge and the inner edge of the frame 3. This design is crucial: it ensures that the frame 3 will not directly contact or squeeze the edge of the touchscreen 2 during assembly and thermal expansion, preventing damage to the touchscreen 2 due to stress concentration. Simultaneously, this gap is sealed by both OCA adhesive and electronic positioning adhesive, ensuring both protective effectiveness and providing a safe operating environment for the touchscreen 2.

[0032] Example 5: Enhanced sealing of the back cover This embodiment is a further supplement to the present invention.

[0033] In this embodiment, to further improve the explosion-proof performance, an annular sealing ring (such as...) is added between the rear cover 5 and the fixing plate 43 of the connecting frame 4. Figure 3 (Illustrated location). When the rear cover 5 is tightened with nut 10, the rear cover 5 compresses the sealing ring, causing it to elastically deform, thereby forming an extremely tight seal between the mating surfaces of the rear cover 5 and the connecting frame 4. This additional sealing barrier more effectively prevents external flammable gases from entering the equipment, and is an important enhancement for coping with the extreme environment of underground mines.

[0034] In summary, this utility model achieves excellent explosion-proof safety and structural reliability through the precision structural combination described in the above embodiments, while facilitating standardized assembly and production.

[0035] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change. Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other. Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A mine-use facial recognition explosion-proof touchscreen, characterized in that, include: Explosion-proof tempered glass (1), touch screen (2), frame (3), connecting frame (4), back cover (5) and circuit board (6); The touch screen (2) is seamlessly bonded to the center of the back of the explosion-proof tempered glass (1) with OCA adhesive, and the area of ​​the explosion-proof tempered glass (1) is larger than the area of ​​the touch screen (2), so that a connection area is formed on the back edge of the explosion-proof tempered glass (1). The frame (3) is bonded to the connection area by electronic positioning adhesive; The frame (3) has a downwardly open receiving cavity (31), and the periphery of the receiving cavity (31) is provided with upwardly extending reinforcing ribs (32). The connecting frame (4) is fixed to the reinforcing rib (32) by screws and covers the receiving cavity (31). The circuit board (6) is installed in the space enclosed by the frame (3) and the connecting frame (4); The connecting frame (4) has a fixing groove (41) at its center, and ear plates (42) are provided at the corners of the fixing groove (41). The circuit board (6) is riveted to the ear plates (42). The edge of the fixing groove (41) is provided with an upwardly extending fixing plate (43), and the rear cover (5) is fixed to the fixing plate (43) by a nut; The explosion-proof tempered glass (1), frame (3), connecting frame (4) and back cover (5) are stacked in sequence to form a sealed explosion-proof structure.

2. The explosion-proof touchscreen for mining applications using facial recognition as described in claim 1, characterized in that, The receiving cavity (31) is a rectangular hollow groove, and the reinforcing rib (32) is set vertically upward and integrally formed with the frame (3).

3. The explosion-proof touchscreen for mining applications using facial recognition as described in claim 1, characterized in that, The fixing groove (41) is located directly above the receiving cavity (31) and aligned with the receiving cavity (31).

4. The explosion-proof touchscreen for mining applications using facial recognition as described in claim 1, characterized in that, The touch screen (2) completely covers the center of the back of the explosion-proof tempered glass (1), and there is a gap between the inner edge of the frame (3) and the outer edge of the touch screen (2).

5. The explosion-proof touchscreen for mining applications using facial recognition as described in claim 1, characterized in that, A sealing ring is provided between the rear cover (5) and the fixing plate (43) to enhance the explosion-proof performance.

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