Fire-fighting electrical protection device

Abstract

The utility model belongs to the technical field of protection devices, and discloses a fire-fighting electrical protection device which comprises a protection box body, a box door hinged to the front face of the protection box body through hinges, an installation groove formed in the box door, an observation window arranged in the installation groove, and installation frames fixedly installed on the left side and the right side of the observation window. According to the utility model, the observation window can be fixed in the mounting groove of the box door through the limiting assembly, and when an emergency situation occurs, a worker can rotate a rotary button to drive a bevel gear I to rotate and enable a bevel gear II to drive a screw rod to rotate, so that a movable plate and a clamping rod move; when the clamping rod falls off the clamping groove of the box door, the observation window can be detached from the installation groove of the box door, compared with the mode that the box door is opened through violent window breaking, the observation window can be detached more quickly in emergency, glass fragments cannot be generated, the situation that a worker is cut or a circuit is cut cannot happen, and the box door is safer and more efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of protection devices, in particular to a fire protection electrical protection device. Background Art

[0002] In modern society, fire-fighting equipment is everywhere. There are many electrical devices in fire-fighting equipment. These devices have one thing in common, that is, the power supply link. The overall control center of fire-fighting electrical equipment is generally the fire-fighting electrical control cabinet. The fire-fighting electrical control cabinet is related to whether the entire fire-fighting system can be used normally, so it is extremely important.

[0003] For example, the utility model with the announcement number CN213028769U discloses a fire electrical protection device. The utility model relates to the technical field of protection devices. The fire electrical protection device includes a box body and a base. There are four bases, and the four bases are respectively fixed at the four corners of the bottom end of the box body. An air exchange port communicating with the inside and outside is opened in the middle of the upper surface of the box body. The front end of the air exchange port passes through the box body, and the upper end of the air exchange port is detachably connected to a dustproof net. A drying bin is fixedly installed above the left and right inner walls of the box body, and four air vents communicating with the inside and outside are symmetrically opened on the left and right inner walls of the box body; the beneficial effects of the utility model are: ventilation and air exchange in the device are achieved through the fan, the air vents, and the air exchange port, the air in the box is dried through the drying bin to prevent the equipment from being damaged by moisture, the equipment is shock-absorbing and buffered by the shock-absorbing effect of the support and the base to prevent the equipment from being damaged by vibration, and the glass window can be quickly broken through the window-breaking hammer in an emergency to avoid paralysis of the control system in danger.

[0004] During the implementation of this application, it was found that the technology has the following problems: when encountering an emergency, the fire electrical protection device uses a violent window-breaking method to open the box, but this violent window-breaking method is not only dangerous, the glass fragments produced after the window is broken can easily cut the staff, and it is also easy to cut the circuits of electrical components, and the observation window needs to be replaced later, which is time-consuming and labor-intensive.

[0005] For this reason, a fire protection electrical protection device is proposed. Utility Model Content

[0006] The purpose of the present invention is to solve the problem that when encountering an emergency, the fire electrical protection device adopts the method of violently breaking the window to open the box, but this violent window-breaking method is not only dangerous, but the glass fragments generated after the window is broken can easily cut the staff and the circuits of the electrical components. In addition, the observation window needs to be replaced later, which is time-consuming and labor-intensive. The present invention provides a fire electrical protection device.

[0007] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0008] The top of the protection box body is fixedly provided with a rainproof cover, the interior of the protection box body is provided with a ventilation mechanism, the interior of the protection box body is fixedly provided with a fixing bracket, the upper surface of the fixing bracket is fixedly provided with an electrical component, the interior of the fixing bracket is provided with a ventilation hole, the front surface of the protection box body is hinged with a box door through a hinge, the interior of the box door is provided with a mounting slot, the interior of the mounting slot is provided with an observation window, the left and right sides of the observation window are fixedly provided with a mounting bracket, the interior of the mounting bracket is provided with a limit assembly, the limit assembly includes a rotating knob, the side surface of the mounting bracket is provided with a rotating knob, the rotating shaft of the rotating knob is fixedly provided with a bevel gear 1, the surface of the bevel gear 1 is meshed with a bevel gear 2, the side surface of the bevel gear 2 is fixedly provided with a screw rod, the surface of the screw rod is threadedly connected to a movable plate, the side surface of the movable plate is fixedly provided with a card rod, and the side surface of the box door is provided with a card slot adapted to the card rod.

[0009] Furthermore, warning signs are bonded to the upper and lower sides of the front surface of the protection box body, and the surfaces of the warning signs are coated with fluorescent paint.

[0010] Furthermore, the ventilation mechanism includes a fan, which is fixedly installed on the left and right sides of the protection box body, an air intake pipe is fixedly installed on the side of the fan away from the protection box body, an air supply pipe is fixedly installed on the side of the fan close to the protection box body, and an air blower is fixedly installed on the side of the air supply pipe.

[0011] Furthermore, a PLC controller is fixedly installed on the side of the protection box body, and the fan is electrically connected to the PLC controller.

[0012] Furthermore, ventilation windows are provided on the left and right sides of the protection box body, and a dustproof net is fixedly installed inside the ventilation window, and the dustproof net is made of plastic particle mesh.

[0013] Furthermore, the number of the screw rods and the movable plates is two, the surfaces of the two screw rods are provided with two opposite external threads, the interiors of the two movable plates are provided with internal threads, and the internal threads of the two movable plates are respectively adapted to the two external threads of the screw rods.

[0014] Furthermore, a limiting rod is fixedly installed inside the mounting frame, and the movable plate is slidably connected to the limiting rod.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1. The utility model can fix the observation window in the installation groove of the box door through the limit assembly. When encountering an emergency, the staff can drive the bevel gear 1 to rotate by turning the rotary knob. Under the meshing transmission of the bevel gear, the bevel gear 2 drives the screw rod to rotate, so that the movable plate and the clamping rod are moved. When the clamping rod falls off the clamping groove of the box door, the observation window can be removed from the installation groove of the box door. Compared with the violent way of breaking the window to open the box door, the present application is faster to remove the observation window in an emergency, and no glass fragments will be generated, so there will be no cutting of staff or cutting of lines. It is safer and more efficient.

[0017] 2. The utility model can protect fire-fighting electrical components through the protection box, and can improve the ventilation of the protection box through the ventilation mechanism. By driving the fan, the outside air can be introduced into the blower, so that the air in the box interacts with the outside air, which greatly improves the ventilation of the electrical protection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model after the observation window is removed;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the main body of the protection box of the utility model;

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of the mounting frame of the utility model;

[0022] Figure 5 It is a structural diagram of the limit assembly of the utility model.

[0023] Figure numerals: 1. Protective box body; 2. Rain cover; 3. Warning sign; 4. Ventilation mechanism; 401. Fan; 402. Air inlet pipe; 403. Air supply pipe; 404. Air supply; 405. PLC controller; 406. Ventilation window; 407. Dust net; 5. Fixing bracket; 6. Electrical component; 7. Ventilation hole; 8. Box door; 9. Mounting slot; 10. Observation window; 11. Mounting bracket; 12. Limiting assembly; 1201. Rotating knob; 1202. Bevel gear one; 1203. Bevel gear two; 1204. Screw; 1205. Movable plate; 1206. Limiting rod; 1207. Clamping rod; 1208. Clamping slot. DETAILED DESCRIPTION

[0024] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0026] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. In addition, the terms "first," "second," etc. are used only to distinguish the descriptions and are not to be understood as indicating or implying relative importance.

[0027] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the present invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as a limitation on the present invention.

[0028] like Figures 1 to 5As shown, a fire protection electrical protection device includes a protection box body 1, a rain cover 2 is fixedly installed on the top of the protection box body 1, a ventilation mechanism 4 is provided inside the protection box body 1, a fixing frame 5 is fixedly installed inside the protection box body 1, an electrical component 6 is fixedly installed on the upper surface of the fixing frame 5, a ventilation hole 7 is provided inside the fixing frame 5, a box door 8 is hinged on the front of the protection box body 1 through a hinge, a mounting groove 9 is provided inside the box door 8, an observation window 10 is provided inside the mounting groove 9, a mounting frame 11 is fixedly installed on the left and right sides of the observation window 10, a limit assembly 12 is provided inside the mounting frame 11, the limit assembly 12 includes a rotary knob 1201, and a rotary knob 120 is provided on the side of the mounting frame 11. 1. The rotating shaft of the rotating knob 1201 is fixedly installed with a bevel gear 1202, the surface of the bevel gear 1202 is meshed with a bevel gear 2 1203, and the side of the bevel gear 2 1203 is fixedly installed with a screw rod 1204, the surface of the screw rod 1204 is threadedly connected with a movable plate 1205, and the side of the movable plate 1205 is fixedly installed with a clamping rod 1207, and the side of the box door 8 is provided with a clamping groove 1208 adapted to the clamping rod 1207; specifically, the rain cover 2 can prevent rainwater from entering the interior of the box; the ventilation mechanism 4 can improve the ventilation inside the box, so that the air inside the box can interact with the outside air; the limit component 12 can facilitate the staff to disassemble the observation window 10 in an emergency.

[0029] like Figure 1 As shown, warning signs 3 are bonded to the upper and lower sides of the front of the protective box body 1, and the surface of the warning sign 3 is coated with fluorescent paint; specifically, the warning sign 3 and the fluorescent paint coated on the surface of the warning sign 3 can serve as a warning at night to prevent pedestrians from touching the protective box.

[0030] like Figure 3 As shown, the ventilation mechanism 4 includes a fan 401, and the fans 401 are fixedly installed on the left and right sides of the protection box body 1, an air inlet pipe 402 is fixedly installed on the side of the fan 401 away from the protection box body 1, and an air supply pipe 403 is fixedly installed on the side of the fan 401 close to the protection box body 1, and a blower 404 is fixedly installed on the side of the air supply pipe 403; specifically, by driving the fan 401, the outside air can be sucked in from the air inlet pipe 402, and then sent into the interior of the box through the air supply pipe 403 and the blower 404, so that the air in the box interacts with the outside air.

[0031] like Figures 1 to 3 As shown, a PLC controller 405 is fixedly installed on the side of the protection box body 1, and the fan 401 is electrically connected to the PLC controller 405; specifically, the fan 401 can be controlled to be turned on and off by the PLC controller 405.

[0032] like Figure 3As shown, ventilation windows 406 are provided on the left and right sides of the protective box body 1, and a dustproof net 407 is fixedly installed inside the ventilation window 406, and the dustproof net 407 is made of plastic particle mesh; specifically, the dustproof net 407 made of plastic particle mesh can not only play a ventilation role, but also play a dustproof role.

[0033] like Figure 4 and Figure 5 As shown, there are two screw rods 1204 and two movable plates 1205. The surfaces of the two screw rods 1204 are provided with two opposite external threads, and the interiors of the two movable plates 1205 are provided with internal threads, and the internal threads of the two movable plates 1205 are respectively adapted to the two external threads of the screw rods 1204; specifically, when the two screw rods 1204 rotate, the two movable plates 1205 will move inward or outward at the same time due to the interaction between the external threads of the screw rods 1204 and the internal threads of the movable plates 1205.

[0034] like Figure 4 and Figure 5 As shown, a limiting rod 1206 is fixedly installed inside the mounting frame 11, and the movable plate 1205 is slidably connected to the limiting rod 1206; specifically, the movable plate 1205 can slide on the surface of the limiting rod 1206 to play a limiting role.

[0035] In summary: the fire protection electrical components can be protected by the protection box to prevent foreign matter such as dust from contaminating the electrical components. At the same time, the fan 401 can be driven to suck in the outside air from the air inlet pipe 402, and then sent into the box through the air supply pipe 403 and the air supply device 404, so that the air in the box interacts with the outside air, greatly improving the ventilation of the electrical protection device and keeping the air in the box dry. When encountering an emergency, the staff turns the rotary knob 1201 to drive the bevel gear 1202 to rotate. Under the meshing transmission of the bevel gears, the bevel gear 2 1203 drives the screw rod 12004 to rotate, so that the movable plate 1205 and the card rod 1207 move. When the card rod 1207 falls off the card slot 1208 of the box door 8, the observation window 10 can be removed from the installation slot 9 of the box door 8. Compared with the violent window-breaking method to open the box door 8, this application is faster to remove the observation window 10 in an emergency, and no glass fragments will be generated, so there will be no cutting of staff or cutting of lines, which is safer and more efficient.

[0036] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions merely illustrate the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed for the present invention is defined by the appended claims and their equivalents.

Claims

1. A fire protection electrical protection device, comprising a protection box body (1), characterized in that: A rain cover (2) is fixedly mounted on the top of the protection box body (1), a ventilation mechanism (4) is arranged inside the protection box body (1), a fixing frame (5) is fixedly mounted inside the protection box body (1), an electrical component (6) is fixedly mounted on the upper surface of the fixing frame (5), a ventilation hole (7) is provided inside the fixing frame (5), a box door (8) is hingedly connected to the front of the protection box body (1) through a hinge, a mounting groove (9) is provided inside the box door (8), an observation window (10) is arranged inside the mounting groove (9), mounting frames (11) are fixedly mounted on the left and right sides of the observation window (10), and a limit position assembly is provided inside the mounting frame (11). (12), the limit assembly (12) comprises a rotating knob (1201), the side of the mounting frame (11) is provided with a rotating knob (1201), the rotating shaft of the rotating knob (1201) is fixedly mounted with a bevel gear 1 (1202), the surface of the bevel gear 1 (1202) is meshed with a bevel gear 2 (1203), the side of the bevel gear 2 (1203) is fixedly mounted with a screw rod (1204), the surface of the screw rod (1204) is threadedly connected with a movable plate (1205), the side of the movable plate (1205) is fixedly mounted with a clamping rod (1207), and the side of the box door (8) is provided with a clamping groove (1208) adapted to the clamping rod (1207).

2. A fire protection electrical protection device according to claim 1, characterized in that: Warning signs (3) are bonded to the upper and lower sides of the front of the protection box body (1), and the surface of the warning sign (3) is coated with fluorescent paint.

3. A fire protection electrical protection device according to claim 1, characterized in that: The ventilation mechanism (4) comprises a fan (401), the fans (401) being fixedly mounted on the left and right sides of the protection box body (1), an air intake pipe (402) being fixedly mounted on the side of the fan (401) away from the protection box body (1), an air supply pipe (403) being fixedly mounted on the side of the fan (401) close to the protection box body (1), and a blower (404) being fixedly mounted on the side of the air supply pipe (403).

4. A fire protection electrical protection device according to claim 3, characterized in that: A PLC controller (405) is fixedly mounted on the side of the protection box body (1), and the fan (401) is electrically connected to the PLC controller (405).

5. A fire protection electrical protection device according to claim 3, characterized in that: The left and right sides of the protection box body (1) are provided with ventilation windows (406), and a dustproof net (407) is fixedly installed inside the ventilation window (406), and the dustproof net (407) is made of plastic particle mesh.

6. A fire protection electrical protection device according to claim 1, characterized in that: The number of the screw rods (1204) and the number of the movable plates (1205) are both two, the surfaces of the two screw rods (1204) are provided with two opposite sections of external threads, the interiors of the two movable plates (1205) are provided with internal threads, and the internal threads of the two movable plates (1205) are respectively adapted to the two sections of external threads of the screw rods (1204).

7. A fire protection electrical protection device according to claim 1, characterized in that: A limiting rod (1206) is fixedly installed inside the mounting frame (11), and the movable plate (1205) is slidably connected to the limiting rod (1206).

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