A rail transit fire alarm controller maintenance structure

Abstract

The utility model relates to the technical field of automatic fire alarm systems, and discloses a rail transit fire alarm controller maintenance structure, including a controller housing, the front of the controller housing is hinged with a cover plate by a hinge, the right side of the controller housing is provided with a side panel, and the side panel is provided with a connecting mechanism; the connecting mechanism includes: a fixed block, a connecting block, and a plug rod, the fixed block is fixedly connected to the right inner wall of the controller housing, and the connecting block is fixedly connected to the left side of the side panel. The rail transit fire alarm controller maintenance structure can release the fixation of the connecting block by opening the cover plate, pulling the plug rod upward to disengage it from the connecting block and the fixed block, and then pulling the side panel outward to separate the side panel from the controller housing, thereby opening the side of the controller housing, so as to facilitate the disassembly and assembly of electronic components from the front and side of the controller housing, and facilitate the maintenance of electronic components.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic fire alarm systems, in particular to a rail transit fire alarm controller maintenance structure. Background Art

[0002] Light rail transportation lines such as trains and subways have brought great convenience to modern cities and long-distance travel, but the safety of large-scale transportation vehicles such as subways or trains that transport passengers on a large scale is an extremely important issue. The automatic fire alarm system is composed of a trigger device, a fire alarm device, a linkage output device, and other auxiliary function devices. It can convert physical quantities such as smoke, heat, and flames generated by combustion into electrical signals through fire detectors at the early stage of a fire, and transmit them to the fire alarm controller, and at the same time notify the fire floor and the upper and lower adjacent floors to evacuate in the form of sound or light. The controller records the location and time of the fire, so that people can discover the fire in time and take effective measures in time to extinguish the initial fire, minimize the loss of life and property caused by the fire, and is a powerful tool for people to fight against fire.

[0003] However, the fire alarm controller in the prior art has the problems of difficult assembly, inconvenient installation, and troublesome debugging and operation due to the large number of electronic components. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a rail transit fire alarm controller maintenance structure. The advantage is that by opening the cover plate, pulling the plug rod upward to separate it from the connection block and the fixing block, thereby releasing the fixing of the connection block, and then pulling the side plate outward, the side plate can be separated from the controller housing, thereby opening the side of the controller housing, so as to facilitate the disassembly and installation of electronic components from the front and side of the controller housing, and facilitate the maintenance of the electronic components.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rail transit fire alarm controller maintenance structure, comprising a controller housing, wherein electronic components are arranged inside the controller housing, a cover plate is hingedly connected to the front of the controller housing through a hinge, a control panel is arranged on the front of the cover plate, a side plate is arranged on the right side of the controller housing, a rectangular hole is opened on the right side of the controller housing, the side plate is located at the rectangular hole, and a connecting mechanism is arranged on the side plate;

[0008] The connecting mechanism includes: a fixed block, a connecting block, and an insertion rod. The fixed block is fixedly connected to the right inner wall of the controller housing, the connecting block is fixedly connected to the left side of the side panel, and the bottom of the connecting block is fitted with the top of the fixed block. The insertion rod is inserted into the connecting block and the fixed block. By opening the cover plate and pulling the insertion rod upward to separate it from the connecting block and the fixed block, the fixing of the connecting block is released, and then the side panel is pulled outward to separate the side panel from the controller housing, thereby opening the side of the controller housing, thereby facilitating the disassembly and assembly of electronic components from the front and side of the controller housing, and facilitating the maintenance of electronic components.

[0009] Preferably, the insertion rod is arranged in an inverted "L" shape, and the tops of the fixing block and the connecting block are provided with insertion holes, and the insertion rod is inserted into the insertion holes.

[0010] Preferably, there are two groups of the connecting mechanisms, and the two groups of the connecting mechanisms are arranged opposite to each other on the side panels.

[0011] Preferably, two cooling fans are fixedly installed on the left side of the controller housing, and a number of cooling holes are evenly spaced on the right side of the side panel. The inner wall of each cooling hole is fixedly connected to a dust net. By starting the cooling fan, air can be blown to dissipate heat inside the controller housing, and the air circulation is facilitated by the provided cooling holes.

[0012] Preferably, a fixing mechanism is provided on the back of the controller housing, and the fixing mechanism includes: a fixing frame, the fixing frame is fixedly connected to the back of the controller housing, the fixing frame is arranged in a "U" shape, the right side of the fixing frame is threadedly connected with a screw, the right end of the screw is fixedly connected with a knob, the left end of the screw extends to the inner cavity of the fixing frame, and the left end of the screw is rotatably connected with a clamping plate, the screw is driven to rotate by rotating the knob, and the screw drives the clamping plate to move horizontally under the limit of the slider, thereby clamping and fixing the controller housing on the object, which is convenient for the installation and fixation of the controller housing, and has a simple structure and is easy to disassemble and maintain.

[0013] Preferably, a slide groove is provided on the back of the fixing frame, a slider is slidably connected to the inner wall of the slide groove, and the back of the slider is fixedly connected to the front of the splint, and the splint can be limited by the provided slider to prevent the splint from rotating with the screw, thereby facilitating the movement of the splint.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a rail transit fire alarm controller maintenance structure, which has the following beneficial effects:

[0016] 1. A rail transit fire alarm controller maintenance structure, by opening the cover plate, pulling the plug rod upward to disengage it from the connecting block and the fixing block, thereby releasing the fixation of the connecting block, and then pulling the side plate outward to separate the side plate from the controller housing, thereby opening the side of the controller housing, thereby facilitating the disassembly and assembly of electronic components from the front and side of the controller housing, and facilitating the maintenance of the electronic components.

[0017] 2. This rail transit fire alarm controller maintenance structure drives the screw to rotate by rotating the knob, and the screw drives the clamping plate to move horizontally under the limit of the slider, so that the controller housing is clamped and fixed on the object, which is convenient for the installation and fixation of the controller housing, and has a simple structure and is easy to disassemble and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a left side cross-sectional view of the utility model;

[0021] Figure 3 It is a back view of the utility model.

[0022] In the figure: 1. controller housing; 2. cover plate; 3. side panel; 4. connecting mechanism; 41. fixing block; 42. connecting block; 43. plug rod; 5. cooling fan; 6. cooling through hole; 7. dust screen; 8. fixing mechanism; 81. fixing frame; 82. screw; 83. splint; 84. knob; 85. slide groove; 86. slider. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1

[0025] like Figure 1-3As shown, the utility model provides a rail transit fire alarm controller maintenance structure, including a controller housing 1, the interior of the controller housing 1 is provided with electronic components, the front of the controller housing 1 is hinged with a cover plate 2 through a hinge, the front of the cover plate 2 is provided with a control panel, the right side of the controller housing 1 is provided with a side panel 3, the right side of the controller housing 1 is provided with a rectangular hole, the side panel 3 is located at the rectangular hole, and a connecting mechanism 4 is provided on the side panel 3; the connecting mechanism 4 includes: a fixed block 41, a connecting block 42, and a plug rod 43, the fixed block 41 is fixedly connected to the right inner wall of the controller housing 1, the connecting block 42 is fixedly connected to the left side of the side panel 3, and the bottom of the connecting block 42 is in contact with the top of the fixed block 41, the plug rod 43 is plugged into the connecting block 42 and the fixed block 41, the plug rod 43 is arranged in an inverted "L" shape, and the top of the fixed block 41 and the connecting block 42 There are sockets on both sides of the controller housing 1, and the plug rod 43 is plugged into the socket. There are two groups of connecting mechanisms 4, and the two groups of connecting mechanisms 4 are relatively arranged on the side panels 3. By opening the cover plate 2, pulling the plug rod 43 upward to disengage it from the connecting block 42 and the fixing block 41, thereby releasing the fixation of the connecting block 42, and then pulling the side panel 3 outward, the side panel 3 can be separated from the controller housing 1, thereby opening the side of the controller housing 1, so as to facilitate the disassembly and assembly of electronic components from the front and side of the controller housing 1, and facilitate the maintenance of electronic components; two cooling fans 5 are fixedly installed on the left side of the controller housing 1, and a number of cooling through holes 6 are evenly spaced on the right side of the side panel 3. The inner wall of each cooling through hole 6 is fixedly connected with a dustproof net 7. By starting the cooling fan 5, the inside of the controller housing 1 can be blown to dissipate heat, and the provided cooling through holes 6 facilitate air circulation.

[0026] In this embodiment, by opening the cover 2, pulling the insertion rod 43 upward to disengage it from the connecting block 42 and the fixing block 41, thereby releasing the fixation of the connecting block 42, and then pulling the side panel 3 outward, the side panel 3 can be separated from the controller housing 1, thereby opening the side of the controller housing 1, thereby facilitating the disassembly and assembly of electronic components from the front and sides of the controller housing 1, and facilitating the maintenance of the electronic components.

[0027] Example 2

[0028] like Figure 1-3As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a fixing mechanism 8 is provided on the back of the controller housing 1, and the fixing mechanism 8 includes: a fixing frame 81, the fixing frame 81 is fixedly connected to the back of the controller housing 1, the fixing frame 81 is arranged in a "U" shape, the right side of the fixing frame 81 is threadedly connected with a screw 82, the right end of the screw 82 is fixedly connected with a knob 84, the left end of the screw 82 extends to the inner cavity of the fixing frame 81, the left end of the screw 82 is rotatably connected with a clamping plate 83, and the back of the fixing frame 81 is opened. A slide groove 85 is provided, and a slider 86 is slidably connected to the inner wall of the slide groove 85, and the back of the slider 86 is fixedly connected to the front of the clamping plate 83. The provided slider 86 can limit the clamping plate 83 to prevent the clamping plate 83 from rotating with the screw 82, which facilitates the movement of the clamping plate 83. The screw 82 is driven to rotate by rotating the knob 84, and the screw 82 drives the clamping plate 83 to move horizontally under the limit of the slider 86, thereby clamping and fixing the controller housing 1 on the object, which is convenient for the installation and fixation of the controller housing 1, and has a simple structure and is easy to disassemble and maintain.

[0029] In this embodiment, the screw 82 is driven to rotate by rotating the knob 84, and the screw 82 drives the clamping plate 83 to move horizontally under the limit of the slider 86, so that the controller housing 1 is clamped and fixed on the object, which is convenient for the installation and fixation of the controller housing 1, and has a simple structure and is easy to disassemble and maintain.

[0030] The following is a detailed description of the working principle of the maintenance structure of a rail transit fire alarm controller.

[0031] like Figure 1-3 As shown, when in use, by opening the cover 2, pulling the insertion rod 43 upward to disengage it from the connecting block 42 and the fixing block 41, thereby releasing the fixation of the connecting block 42, and then pulling the side panel 3 outward, the side panel 3 can be separated from the controller housing 1, thereby opening the side of the controller housing 1, so as to facilitate the disassembly and assembly of electronic components from the front and sides of the controller housing 1, and facilitate the maintenance of electronic components. By starting the cooling fan 5, the inside of the controller housing 1 can be cooled by blowing air. The heat dissipation through-holes 6 are provided to facilitate air circulation. By rotating the knob 84, the screw 82 is driven to rotate, and the screw 82 drives the clamping plate 83 to move horizontally under the limit of the slider 86, so that the controller housing 1 is clamped and fixed on the object, which is convenient for the installation and fixation of the controller housing 1.

Claims

1. A rail transit fire alarm controller maintenance structure, comprising a controller housing (1), characterized in that: The front of the controller housing (1) is hingedly connected to a cover plate (2), the right side of the controller housing (1) is provided with a side plate (3), and the side plate (3) is provided with a connecting mechanism (4); The connecting mechanism (4) comprises: a fixing block (41), a connecting block (42), and an insert rod (43); the fixing block (41) is fixedly connected to the right inner wall of the controller housing (1); the connecting block (42) is fixedly connected to the left side of the side plate (3); the bottom of the connecting block (42) is in contact with the top of the fixing block (41); and the insert rod (43) is plugged into the connecting block (42) and the fixing block (41).

2. A rail transit fire alarm controller maintenance structure according to claim 1, characterized in that: The insertion rod (43) is arranged in an inverted "L" shape, and the tops of the fixing block (41) and the connecting block (42) are both provided with insertion holes, and the insertion rod (43) is inserted into the insertion holes.

3. A rail transit fire alarm controller maintenance structure according to claim 1, characterized in that: There are two groups of the connecting mechanisms (4), and the two groups of the connecting mechanisms (4) are arranged opposite to each other on the side plate (3).

4. A rail transit fire alarm controller maintenance structure according to claim 1, characterized in that: Two cooling fans (5) are fixedly installed on the left side of the controller housing (1), and a plurality of cooling holes (6) are evenly spaced on the right side of the side panel (3), and a dustproof net (7) is fixedly connected to the inner wall of each cooling hole (6).

5. A rail transit fire alarm controller maintenance structure according to claim 1, characterized in that: A fixing mechanism (8) is provided on the back of the controller housing (1), and the fixing mechanism (8) comprises: a fixing frame (81), the fixing frame (81) is fixedly connected to the back of the controller housing (1), the fixing frame (81) is arranged in a "U" shape, the right side of the fixing frame (81) is threadedly connected to a screw rod (82), the right end of the screw rod (82) is fixedly connected to a knob (84), the left end of the screw rod (82) extends to the inner cavity of the fixing frame (81), and the left end of the screw rod (82) is rotatably connected to a clamping plate (83).

6. A rail transit fire alarm controller maintenance structure according to claim 5, characterized in that: A slide groove (85) is provided on the back of the fixing frame (81), a sliding block (86) is slidably connected to the inner wall of the slide groove (85), and the back of the sliding block (86) is fixedly connected to the front of the clamping plate (83).

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