Emergency lighting dual-power switching box

Abstract

The utility model relates to the technical field of power switching equipment, and discloses an emergency lighting dual-power switching box which comprises a box body, the front side of the box body is connected with a box door through a hinge, the inner side wall of the box body is fixedly connected with a guide rail, the periphery of the guide rail is provided with an installation beam through a clamping assembly, and the front side of the installation beam is provided with an installation plate. A heat dissipation assembly is installed in the box body, the clamping assembly comprises a rack, the rack is slidably connected to the middle of the installation beam, a gear is rotatably connected to the interior of the installation beam, and the gear and the rack are meshed with each other. According to the utility model, through the ingenious structural design, the position of the mounting beam can be conveniently adjusted, the modular expansion is supported, and the flexibility is high; the emergency lighting dual-power-supply switching box is provided with the cooling fan, the filter screen and the air deflector, uniform and efficient heat dissipation is ensured, meanwhile, the lighting lamp is automatically triggered to supply power when the box door is opened, maintenance and overhaul in a dark environment are facilitated, and the use efficiency and stability of the emergency lighting dual-power-supply switching box are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to power switching equipment technical field especially relates to emergency lighting dual power switching box. BACKGROUND

[0002] The emergency lighting dual power switching box is an electrical equipment for emergency power supply system, which mainly functions to quickly switch to a standby power source (such as a generator, a storage battery or an emergency power source) when a main power source fails or is powered off, to ensure that the emergency lighting system can continuously operate and avoid safety hazards caused by power failure. The device is widely used in high-rise buildings, underground parking lots, large shopping malls, hospitals, schools and factories, etc. to meet the emergency lighting needs of various scenes. The switching box is usually composed of a box shell, an electrical element mounting plate, a relay, a circuit breaker, a wiring terminal, a switching device and a ventilation and heat dissipation structure, etc.

[0003] The existing emergency lighting dual power switching box adopts a fixed structure design, and the position of the electrical element mounting plate in the box body is not adjustable. The installation position and spacing of the internal components are also pre-set at the factory. This fixed design cannot flexibly adjust the internal components according to actual needs, and it is difficult to meet the needs of space-limited or layout-variable application scenarios. At the same time, the fixed installation spacing leads to low space utilization or increased construction and maintenance difficulty, limiting the adaptability and versatility of the switching box in different scenarios. Therefore, the existing design has great limitations in actual application and cannot well meet the diversified installation and use requirements. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides an emergency lighting dual power switching box, aiming to improve the problem that the internal structure of the existing emergency lighting dual power switching box is fixed, the installation position and spacing cannot be adjusted, and it is difficult to meet the installation needs of different scenarios.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The emergency lighting dual power switching box comprises a box body, a box door hingedly connected to the front side of the box body, a guide rail fixedly connected to the inner side wall of the box body, an installation beam installed on the outer periphery of the guide rail through a clamping assembly, an installation plate installed on the front side of the installation beam, and a heat dissipation assembly installed inside the box body.

[0007] The clamping assembly comprises a rack, the rack is slidingly connected to the middle part of the installation beam, a gear wheel is rotatably connected inside the installation beam, the gear wheel and the rack are mutually engaged, a winding wheel is fixedly connected to the outer side of the gear wheel, a clamping rod is slidingly connected to the end part of the installation beam, a pull rope is fixedly connected between the clamping rod and the winding wheel, a spring is fixedly connected to the inner side of the clamping rod, a plurality of clamping grooves are formed in the middle part of the guide rail, and the clamping rod and the clamping grooves are mutually clamped.

[0008] As a further description of the above technical solutions:

[0009] The heat dissipation assembly comprises a heat dissipation fan, the heat dissipation fan is installed at the bottom of the box body, and a filter screen is installed on the side wall of the box body.

[0010] As a further description of the above technical solutions:

[0011] The heat dissipation assembly further comprises a plurality of air deflectors, and the plurality of air deflectors are uniformly installed on the inner wall of the box body.

[0012] As a further description of the above technical solutions:

[0013] The side wall of the box body is provided with a door control switch, the triggering end of the door control switch is in abutment with the box door, a storage battery is installed in the box body, a lighting lamp is installed at the top of the box body, and the lighting lamp, the door control switch and the storage battery are electrically connected.

[0014] As a further description of the above technical solutions:

[0015] A top cover is detachably connected to the inside of the box body, and the guide rail is located below the top cover.

[0016] As a further description of the above technical solutions:

[0017] A pressing rod is slidably connected to the middle of the mounting beam, and the pressing rod is fixedly connected to the top of the rack.

[0018] As a further description of the above technical solutions:

[0019] A hole for mounting a dust screen is formed in the bottom of the box body, and the dust screen is installed below the heat dissipation fan.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、In the utility model, the rotation of the winding wheel is realized through the linkage of the pressing rod driving rack and gear, so that the pull rope can be quickly wound. At the same time, the clamping rod can be freely connected or separated from the clamping groove under the action of the spring, the position of the mounting beam can be quickly adjusted, the adjustment process is simplified, and the installation efficiency is improved.

[0022] 2、In the utility model, the driving heat dissipation fan and filter screen are provided, the airflow is uniformly guided through the air deflector, the effective heat dissipation of each electrical element in the box body is ensured. The design of the dust screen further blocks the entry of external dust, enhances the durability and reliability of the device, and ensures the stability of the device during long-term use.

[0023] 3. The utility model discloses when opening the box door, the door control switch will trigger the intercommunication light, is powered by the battery, provides support for internal illumination under the dark environment, greatly facilitates the equipment inspection and maintenance operation under the night or low light environment BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the three -dimensional schematic diagram of emergency lighting dual -power switching box that the utility model provides;

[0025] Figure 2 It is the internal structure schematic diagram of emergency lighting dual -power switching box that the utility model provides;

[0026] Figure 3 It is the installation position schematic diagram of emergency lighting dual -power switching box's light that the utility model provides;

[0027] Figure 4 It is the section structure schematic diagram of emergency lighting dual -power switching box's mounting beam that the utility model provides.

[0028] LEGEND:

[0029] 1, box body;2, box door;3, guide rail;4, mounting beam;5, mounting plate;6, press bar;7, rack;8, gear;9, winding wheel;10, pull rope;11, clamping rod;12, spring;13, clamping groove;14, cooling fan;15, filter screen;16, air deflector;17, top cover;18, battery;19, light;20, door control switch. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0031] REFERENCE Figures 1-4The utility model provides an embodiment: emergency lighting dual power supply switching box, including box 1, the front side hinge connection of box 1 has box door 2, the inner side wall fixed connection of box 1 has guide rail 3, and the outer periphery of guide rail 3 is installed with mounting beam 4 through the clamping assembly, and mounting beam 4 can slide on the outer side of guide rail 3, so as to adjust the space layout inside box 1 to adapt to different installation needs, and the clamping assembly includes rack 7, rack 7 is connected in the middle part of mounting beam 4, and mounting beam 4 is rotatably connected with gear 8 in the inside, gear 8 and rack 7 are mutually engaged, when moving up and down on rack 7, gear 8 can be rotated. Gear 8 outside fixed connection has winding wheel 9, and the end of mounting beam 4 is slidably connected with clamping rod 11, and clamping rod 11 and winding wheel 9 are fixedly connected with pull rope 10 between them, in the rotating process of gear 8, winding wheel 9 will be driven to rotate synchronously, so as to reel pull rope 10.

[0032] Referring to Figure 4 , clamping rod 11 inside fixed connection has spring 12, and multiple clamping grooves 13 are set up in the middle part of guide rail 3, and clamping rod 11 and clamping groove 13 are mutually clamped, when winding wheel 9 rotates and reeling pull rope 10, clamping rod 11 is separated from the position of clamping groove 13 under the pulling action of pull rope 10, then the position of mounting beam 4 can be adjusted, after adjusting, release rack 7, under the action of spring 12, clamping rod 11 can be inserted into the middle part of adjacent clamping groove 13 again, and the position of mounting beam 4 is limited. The front side of mounting beam 4 is installed with mounting plate 5, and the electrical elements such as relay required by power supply switching box are installed on the outside of mounting plate 5. The middle part of mounting beam 4 is slidably connected with pressing rod 6, and pressing rod 6 is fixedly connected at the top of rack 7, and the rack 7 can be conveniently operated through pressing rod 6, so that the position of mounting beam 4 is adjusted more conveniently.

[0033] Referring to Figures 2-3 , the inside of box 1 is installed with heat dissipation assembly, and the heat dissipation assembly includes heat dissipation fan 14, heat dissipation fan 14 is installed at the bottom of box 1, and filter screen 15 is installed on the side wall of box 1, and the heat dissipation assembly further includes air deflector 16, and multiple air deflectors 16 are evenly installed on the inner wall of box 1. When the power supply switching box works, the outside air is blown in by driving heat dissipation fan 14 to work, the entering air carries the heat generated by the work of electrical elements and is discharged from filter screen 15, so as to realize heat dissipation, and at the same time, the air entering the inside of box 1 is divided and guided by air deflector 16, can evenly blow to each place inside box 1, so as to ensure that the electrical elements at each position can be effectively cooled.

[0034] Referring to Figures 2-3, the side wall of the box body 1 is provided with a door control switch 20, the trigger end of the door control switch 20 abuts against the box door 2, the inside of the box body 1 is provided with a storage battery 18, the inside top of the box body 1 is provided with an illuminating lamp 19, the illuminating lamp 19, the door control switch 20 and the storage battery 18 are electrically connected; when the box door 2 is closed, the side edge of the box door 2 acts on the door control switch 20, so that the trigger end of the door control switch 20 is retracted, at this time, the door control switch 20 is in a power-off state, when the box door 2 is opened, the restriction of the door control switch 20 disappears, at this time, the trigger end of the door control switch 20 pops out, so that the circuit is connected, at this time, the storage battery 18 can supply power to the illuminating lamp 19, so that the door control switch 20 works, so that the inside of the box body 1 is illuminated, so that the staff can overhaul and maintain the box body 1.

[0035] Referring to Figures 1-3 , the inside of the box body 1 is detachably connected with a top cover 17, the guide rail 3 is located below the top cover 17, when the number of the mounting beams 4 does not meet the current needs, the top cover 17 can be taken off, then a new mounting beam 4 is inserted from the gap at the top of the box body 1, so that the number of the mounting beams 4 is increased, on the contrary, the number of the mounting beams 4 is reduced. The bottom of the box body 1 is provided with a hole for installing a dust screen, and the dust screen is installed below the cooling fan 14, after the power switching box is installed, the dust screen is installed through the bottom hole, the air entering the inside of the box body 1 is filtered through the dust screen, so as to avoid dust from entering, thereby ensuring the normal work of the electrical elements in the inside of the box body 1.

[0036] Working principle: during the assembly process, the press rod 6 is pressed downward, so that the rack 7 is driven to move downward, at this time, the two gears 8 are rotated under the influence of the rack 7, the winding wheel 9 is rotated, so that the pull rope 10 is wound, at this time, the clamping rod 11 is separated from the clamping groove 13 under the pulling force of the pull rope 10, at this time, the position of the mounting beam 4 can be adjusted, after being adjusted to the appropriate position, the press rod 6 is released, at this time, the spring 12 is reset and rebounds, so that the clamping rod 11 is retracted outward and clamped with the adjacent clamping groove 13, so that the position of the mounting beam 4 is adjusted, then the mounting plate 5 is installed at the front side of the mounting beam 4, the required circuit breaker and other parts in the dual power switching box can be installed outside the mounting plate 5, so that the installation is completed. The number of the mounting beams 4 can be increased or decreased, when additional mounting beams 4 are needed, the top cover 17 can be disassembled and taken off through a tool, at this time, the new mounting beam 4 can be installed from the gap at the position, so that the number of the mounting beams 4 is adjusted.

[0037] In the power switching box working, drive cooling fan 14 work, so as to draw the external air into, then the incoming air can be discharged from the filter screen 15 position, so as to take out the heat generated by the internal components of the switching box work, ensure the normal and stable work, the inner wall of the box 1 installed on the air deflector 16 can be guided from the filter screen 15 into the airflow, thereby to divide the airflow, ensure that each electrical element located inside the box 1 can be affected by the airflow, so as to ensure the uniformity of heat dissipation, the box 1 bottom is also provided with mounting hole for installing dust screen, in the assembly together with the dust screen assembly, to avoid dust into the box 1 inside.

[0038] In the use of the power switching box, when the box door 2 is opened, the trigger end of the door control switch 20 is released from the restriction of the box door 2 and pops out, at this time the door control switch 20 is connected, and the battery 18 supplies power to the light 19 to realize internal lighting, so as to adapt to the maintenance, repair and other operations in the dark environment.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. Emergency lighting dual power transfer box, comprising a box body (1), characterized in that: The box (1) front side hinge connection has a box door (2), the box (1) inner side wall fixedly connected with guide rail (3), the guide rail (3) outer periphery through the clamping assembly is installed with mounting beam (4), the mounting beam (4) front side is installed with mounting plate (5), the box (1) inside is installed with heat dissipation assembly; The clamping assembly includes a rack (7), the rack (7) is connected in the middle of the mounting beam (4), the mounting beam (4) is rotatably connected with a gear (8), the gear (8) and rack (7) are engaged with each other, the gear (8) is fixedly connected with a winding wheel (9) outside, the mounting beam (4) end is connected with a clamping rod (11), the clamping rod (11) and the winding wheel (9) are fixedly connected with a pull rope (10), the clamping rod (11) is fixedly connected with a spring (12) inside, the guide rail (3) is provided with a plurality of clamping grooves (13), the clamping rod (11) and the clamping groove (13) are clamped with each other.

2. The emergency lighting double throw switch box of claim 1, wherein: The heat dissipation assembly includes a cooling fan (14), the cooling fan (14) is installed in the bottom of the box (1), the box (1) side wall is installed with filter screen (15).

3. The emergency lighting double throw switch box of claim 1, wherein: The heat dissipation assembly also includes a plurality of air deflectors (16), a plurality of air deflectors (16) are evenly installed on the inner wall of the box (1).

4. The emergency lighting double tap changer of claim 1, wherein: The box (1) side wall is installed with a door control switch (20), the trigger end of the door control switch (20) is in contact with the box door (2), the box (1) is installed with a battery (18), the box (1) is installed with a lighting lamp (19) on the top, the lighting lamp (19), door control switch (20), battery (18) are electrically connected.

5. The emergency lighting double tap changer of claim 1, wherein: The box (1) is detachably connected with a top cover (17), and the guide rail (3) is located below the top cover (17).

6. The emergency lighting double tap changer of claim 1, wherein: The mounting beam (4) is slidably connected with a pressing rod (6), and the pressing rod (6) is fixedly connected to the top of the rack (7).

7. The emergency lighting double tap changer of claim 2, wherein: The box (1) bottom is provided with a hole for installing dustproof net, and the dustproof net is installed below the cooling fan (14).

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