Emergency evacuation channel indicating device in subway tunnel

Abstract

The invention provides an emergency evacuation channel indicating device in a subway tunnel. The emergency evacuation channel indicating device comprises a frame, a cover plate, a display screen, a sealing gasket, an operation switch and a lamp strip. The frame is of a rectangular cavity structure, and a groove is formed in the edge. The cover plate covers the front end face of the frame and is detachably connected with the frame. The sealing gasket is embedded in the groove of the frame and located at the intersection of the cover plate and the frame. The display screen is mounted in the mounting cavity of the frame; the operating switch is arranged on the side surface of the frame and is externally provided with a protective cover; a sealing gasket is arranged at the intersection position of a cover plate and the frame, external impurities or dust can be prevented from entering the frame, poor contact of original parts is avoided, the U-shaped sealing gasket is matched with the cover plate and the frame, dust, water vapor and other impurities in a tunnel are effectively prevented from invading, and the service life of the tunnel is prolonged. The fault probability caused by poor contact is reduced, and the reliability of the device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of subway safety equipment, in particular to an emergency evacuation passage indicating device in a subway tunnel. BACKGROUND

[0002] As an important part of urban rail transit, the operation safety of subway is directly related to the life safety of passengers. In the subway tunnel, once an emergency such as fire or failure occurs, the emergency evacuation passage indicating device is the key equipment to guide passengers to evacuate quickly and safely. However, the existing indicating device has the following problems in actual use:

[0003] The environment in the subway tunnel is complex, and there are long-term factors such as dust, moisture, vibration, etc. The sealing performance of the connection between the cover plate and the frame of the traditional indicating device is insufficient, and the impurities such as dust and water vapor from the outside are easy to invade the inside of the device, causing the display screen, circuit elements and other components to have poor contact, short circuit and other faults, and in severe cases, the indicating device will fail. In an emergency, if the indicating device cannot work normally, it will greatly increase the difficulty of passenger evacuation, and even cause safety accidents.

[0004] In addition, the operation switch of part of the indicating device is exposed, which is easy to cause misoperation or shutdown due to accidental touch or collision; the brightness and display clarity of the light strip are insufficient in the complex light environment of the tunnel, which also affects the evacuation guiding effect. Therefore, there is an urgent need for an emergency evacuation passage indicating device in a subway tunnel with good sealing performance, reliable operation and clear indication to meet the safety needs of subway emergency evacuation. SUMMARY

[0005] In order to overcome the existing problems, the present application provides an emergency evacuation passage indicating device in a subway tunnel, which aims to overcome the defects of poor sealing performance and easy impurity invasion of the existing subway tunnel emergency evacuation indicating device, and provide an emergency evacuation passage indicating device with reliable sealing, convenient operation and clear indication.

[0006] The technical scheme adopted by the present application to solve its technical problems is:

[0007] An emergency evacuation passage indicating device in a subway tunnel, comprising a frame, a cover plate, a display screen, a sealing gasket, an operation switch and a light strip; the frame is a rectangular cavity structure, and the edge is provided with a groove; the cover plate covers the front end face of the frame and is detachably connected with the frame; the sealing gasket is embedded in the groove of the frame and located at the intersection of the cover plate and the frame; the display screen is installed in the mounting cavity of the frame; the operation switch is arranged on the side face of the frame, and the outside is provided with a protective cover; and the light strip is arranged along the outer periphery of the frame.

[0008] Preferably, the sealing gasket is made of silicone rubber material, has a U-shaped cross section, is embedded in the groove of the frame, and is elastically deformed when the edge of the cover plate extrudes the sealing gasket when the cover plate is closed.

[0009] Preferably, the frame is made of aluminum alloy material and has an integral structure.

[0010] Preferably, the cover plate is transparent tempered glass, and the edge is provided with a protrusion corresponding to the groove of the frame.

[0011] Preferably, the display screen is a high-brightness LED screen, and the connection part of the frame is provided with a waterproof rubber ring.

[0012] Preferably, the operation switch is a waterproof press type structure, the protective cover is connected to the frame through a hinge, and the inner side of the protective cover is provided with a rubber sealing ring.

[0013] Preferably, the lamp strip is an LED lamp strip, and the surface is covered with a transparent wear-resistant layer.

[0014] Preferably, the cover plate and the frame are connected through stainless steel bolts, and the bolts are uniformly distributed at the four corners.

[0015] The advantages of the embodiment of the application are:

[0016] The sealing gasket is provided at the intersection of the cover plate and the frame, which can prevent impurities or dust from entering the frame, causing poor contact of the original components. Through the cooperation of the U-shaped sealing gasket, the cover plate and the frame, the intrusion of dust, water vapor and other impurities in the tunnel is effectively blocked, the probability of failure caused by poor contact is reduced, and the reliability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The application will be further described below with reference to the drawings and embodiments.

[0018] Fig. 1 It is a whole structure schematic diagram of the emergency evacuation passage indicating device in the subway tunnel of the application;

[0019] Fig. 2 It is a whole structure schematic diagram of the back of the emergency evacuation passage indicating device in the subway tunnel of the application;

[0020] Fig. 3 It is a whole structure schematic diagram of the inside of the emergency evacuation passage indicating device in the subway tunnel of the application.

[0021] Explanation of main reference signs:

[0022] 1, frame; 2, cover plate; 3, display screen; 4, sealing gasket; 5, operation switch; 6, lamp strip. DETAILED DESCRIPTION

[0023] The application embodiment provides an emergency evacuation passage indicating device in a subway tunnel, solves the problems in the prior art, and provides a sealing gasket at the intersection of the cover plate and the frame, so that impurities or dust from the outside can be prevented from entering the frame, contact failure of components can be avoided, the U-shaped sealing gasket is matched with the cover plate and the frame, dust, water vapor and other impurities in the tunnel are effectively blocked, the probability of failure caused by contact failure is reduced, and the reliability of the device is improved.

[0024] The technical solution in the application embodiment is used for solving the above problems, and the general idea is as follows.

[0025] Embodiment

[0026] The application embodiment provides a specific structure of an emergency evacuation passage indicating device in a subway tunnel, as shown in FIG. Figs. 1-3 The application embodiment provides a specific structure of an emergency evacuation passage indicating device in a subway tunnel, as shown in FIG.

[0027] The sealing gasket 4 is made of silicone rubber material and has a U-shaped cross section, is embedded in the groove of the frame 1, and is located at the intersection of the cover plate 2 and the frame 1.

[0028] The frame 1 is made of aluminum alloy material and has an integral forming structure, the frame 1 is made of high-strength aluminum alloy material, has a rectangular cavity structure as a whole, is internally provided with a mounting cavity for fixing the display screen 3, a circuit module and other core components, and the edge of the frame 1 is provided with a groove for mounting the sealing gasket 4.

[0029] The cover plate 2 is made of transparent tempered glass, the edge is provided with a protrusion corresponding to the groove of the frame 1, the cover plate 2 is made of transparent tempered glass material, covers the front end surface of the frame 1, and is detachably connected with the frame 1 through bolts.

[0030] The display screen 3 is a high-brightness LED screen, and the connecting part of the display screen 3 with the frame 1 is provided with a waterproof rubber ring. The display screen 3 is installed in the mounting cavity of the frame 1, and the high-brightness LED screen can display the evacuation direction arrow, distance information and other contents. The connecting part of the display screen 3 with the frame 1 is provided with a waterproof rubber ring, so as to further enhance the sealing performance.

[0031] The operation switch 5 is a waterproof press type structure. The protective cover is connected with the frame 1 through a hinge. The inner side of the protective cover is provided with a rubber sealing ring. The operation switch 5 is arranged on the side surface of the frame 1. The waterproof press type structure is externally provided with a protective cover. The protective cover is connected with the frame 1 through a hinge. When the protective cover is closed, the operation switch can be prevented from being touched by mistake. When the protective cover is opened, the operation switch can be operated to start / close the device or switch the display mode.

[0032] The lamp strip 6 is an LED lamp strip. The surface of the lamp strip 6 is covered with a transparent wear-resistant layer. The lamp strip 6 is arranged along the outer peripheral edge of the frame 1. The high-brightness LED lamp strip is synchronously operated with the display screen 3. The surface of the lamp strip 6 is covered with a transparent wear-resistant layer, so as to enhance the durability in the complex environment of the tunnel.

[0033] When the device is installed in the subway tunnel, the cover plate 2 is fastened with the frame 1 through bolts. The sealing gasket 4 is completely filled in the gap between the cover plate 2 and the frame 1 under the extrusion of the cover plate 2. The dust, water vapor and other impurities in the tunnel are effectively blocked from entering the inside of the frame 1, so as to protect the display screen 3 and the circuit elements from being eroded. In an emergency, the protective cover of the operation switch 5 is opened, and the switch is pressed. The display screen 3 is started and displays the evacuation direction, such as “evacuate 500 meters to the left” and “emergency exit→”. At the same time, the lamp strip 6 is lighted, so as to outline the device profile with strong light and enhance the indication brightness, and guide the passengers to quickly identify the evacuation path.

[0034] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the present application, and are not limitations to the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not enumerated, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. An emergency evacuation passage indicating device in a subway tunnel, characterized by, Including frame (1), cover plate (2), display screen (3), gasket (4), operating switch (5) and light band (6);The frame (1) is rectangular cavity structure, the edge is equipped with recess;The cover plate (2) covers frame (1) front end surface, with frame (1) detachable connection;The gasket (4) is embedded in the recess of frame (1), and is located at the intersection of cover plate (2) and frame (1);The display screen (3) is installed in the mounting cavity of frame (1);The operating switch (5) is located in the side of frame (1), and the outside is equipped with protective cover;The light band (6) is arranged along the outer periphery of frame (1).

2. The emergency evacuation passage indicating device in a subway tunnel according to claim 1, wherein, The gasket (4) adopts silicone rubber material, and the cross section is U-shaped, is embedded in the recess of frame (1), when cover plate (2) and frame (1) are closed, the edge of cover plate (2) extrudes gasket (4) and makes it elastic deformation.

3. The emergency evacuation passage indicating device in a subway tunnel according to claim 1, characterized in that, The frame (1) adopts aluminum alloy material, is an integral structure.

4. The emergency evacuation passage indicating device in a subway tunnel according to claim 1, characterized in that, The cover plate (2) is transparent tempered glass, and the edge is provided with the protrusion corresponding to the recess of frame (1).

5. The emergency evacuation passage indicating device in a subway tunnel according to claim 1, wherein The display screen (3) is high brightness LED screen, and the connecting part of frame (1) is provided with waterproof rubber ring.

6. The emergency evacuation passage indicating device in a subway tunnel according to claim 1, wherein The operating switch (5) is waterproof press type structure, the protective cover is connected with frame (1) through hinge, and the inboard of protective cover is provided with rubber sealing ring.

7. The emergency evacuation passage indicating device in a subway tunnel according to claim 1, wherein The light band (6) is LED light band, and the surface is covered with transparent wear-resistant layer.

8. The emergency evacuation passage indicating device in a subway tunnel according to claim 1, characterized in that, The cover plate (2) and frame (1) are connected through stainless steel bolts, and the bolts are evenly distributed in four corners.

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