Direct current screen with fire extinguishing structure

Abstract

The utility model discloses a direct current screen with a fire extinguishing structure, which relates to the technical field of direct current screens and comprises a direct current screen outer box body, the direct current screen outer box body is divided into an upper area and a lower area, and a direct current screen electrical unit is installed in the upper area. The lower area is fixedly connected with bottom supporting plates in a rectangular array mode, and fixed pipelines are symmetrically arranged above each bottom supporting plate. The end part of the fixed pipeline is fixedly connected with the direct-current screen outer box body, the end part of the fixed pipeline penetrates through the direct-current screen outer box body and extends to the outer side of the direct-current screen outer box body, and guide nozzles are mounted on one side, close to the bottom supporting plate, of the fixed pipeline in a rectangular array manner; according to the utility model, dry powder is guided through a plurality of connecting pipelines and fixed pipelines, and each fixed pipeline is provided with an inclined guide spray head, so that the dry powder on the inner side of the dry powder storage tank can accurately cover a battery pack after being sprayed out, thereby improving the fire extinguishing effect on the direct current screen.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of DC panel, and particularly relates to a DC panel with fire extinguishing structure. BACKGROUND

[0002] The main function of the DC panel is to provide stable and reliable DC power for various devices requiring DC power. In the power system, many important devices such as relay protection devices, automatic devices, signal devices, and communication devices require DC power to work normally. For example, the relay protection device is crucial for the safe and stable operation of the power system. It needs DC power to ensure that it can act quickly and accurately when the power grid fails, cutting off the fault line to avoid accidents.

[0003] In the DC panel, a fire alarm structure is usually installed. When the internal sensor detects smoke or open flame, it will control the alarm to alarm, and then a worker will manually hold a fire extinguisher to open the cabinet door to extinguish the fire.

[0004] However, in practice, it has been noticed that the worker needs to hold the fire extinguisher and go to the fire location to extinguish the fire after hearing the alarm. The response time is long, and during this time, the fire will spread. At this time, the worker needs to find the fire source to extinguish the fire, and the internal space of the DC panel is small. The smoke produced by the fire will quickly spread in these spaces. A large amount of smoke will affect the worker's search for the fire source, thus affecting the efficiency of fire extinguishing and easily causing greater loss. INVENTION CONTENTS

[0005] The utility model aims at providing a DC panel with fire extinguishing structure. Through the cooperation of the dry powder storage tank, the connecting pipeline, and the fixed pipeline, the dry powder is accurately covered on the battery pack, ensuring the fire extinguishing efficiency and playing a role in fire extinguishing. The end pressure assembly at the top of the dry powder storage tank ensures sufficient pressure on the inside of the dry powder storage tank. The technical problems in the background technology are solved.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A DC panel with fire extinguishing structure, comprising a DC panel outer box, the DC panel outer box is divided into two regions, the upper region is installed with DC panel electrical unit, the lower region is fixedly connected with bottom support plate in rectangular array, the bottom support plate is symmetrically provided with fixed pipeline above each bottom support plate.

[0008] The end of the fixed pipeline is fixedly connected with the DC panel outer box, and the end of the fixed pipeline extends to the outside of the DC panel outer box through the DC panel outer box. The side of the fixed pipeline close to the bottom support plate is installed with guide spray head in rectangular array.

[0009] As a further technical scheme of the utility model, one end of the fixed pipeline extending to the outside of the DC screen outer box body is fixedly connected with a connecting pipeline, and the end of the connecting pipeline away from the fixed pipeline is fixedly connected with a dry powder storage tank.

[0010] The upper portion of the dry powder storage tank is provided with a terminal pressurizing assembly, and the bottom portion of the terminal pressurizing assembly is mounted on the inner side of the dry powder storage tank.

[0011] As a further technical scheme of the utility model, the terminal pressurizing assembly comprises a rotating hand wheel, the bottom portion of the rotating hand wheel is fixedly connected with a threaded adjusting rod, the end portion of the threaded adjusting rod extends to the inner side of the dry powder storage tank through the dry powder storage tank, and the threaded adjusting rod is threadedly connected with the dry powder storage tank.

[0012] As a further technical scheme of the utility model, the inner side of the dry powder storage tank is further movably connected with an arc-shaped pressing plate and a sliding piston, and the arc-shaped pressing plate and the sliding piston are further fixedly connected with a compression spring.

[0013] The sliding piston is movably connected with the inner side of the dry powder storage tank, and the arc-shaped pressing plate is fixedly connected with the end of the threaded adjusting rod away from the rotating hand wheel.

[0014] As a further technical scheme of the utility model, the bottom portion of each of the bottom supporting plates is fixedly connected with a rectangular array of battery groups, and each of the two battery groups is provided with a fixed pipeline, and the fixed pipeline is located above the two battery groups.

[0015] As a further technical scheme of the utility model, the dry powder storage tank is provided with two, and each of the dry powder storage tanks is welded with a symmetrical L-shaped support on the side close to the DC screen outer box body, and the dry powder storage tank is fixedly connected with the DC screen outer box body through the L-shaped support.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] The utility model discloses, through a plurality of setting connecting pipeline and fixed pipeline, to dry powder is introduced to, and every fixed pipeline is equipped with the inclined guide spray head, makes dry powder in dry powder storage tank inside after spraying can accurate cover on battery pack, thereby improving the fire extinguishing effect to this direct current screen, the utility model discloses, when the pressure of dry powder storage tank inside is lower, utilize the elastic force of compression spring and promote sliding piston to remove to the gas in dry powder storage tank inside is compressed, and the pressure of dry powder storage tank inside is increased, prevents the pressure of dry powder storage tank inside from being insufficient and leads to dry powder and cannot supply, the utility model discloses, through the screw thread cooperation between screw adjusting rod and dry powder storage tank, adjusts the position of arc pressing plate in dry powder storage tank inside to the interval between arc pressing plate and sliding piston is adjusted, and the internal pressure of compression spring is controlled through the compression ratio of compression spring and adjusts. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the utility model uses state structure schematic diagram.

[0019] Figure 2 It is another view of the utility model in Figure 1 .

[0020] Figure 3 It is the bottom structure schematic diagram of the utility model in Figure 2 .

[0021] Figure 4 It is the position structure schematic diagram of dry powder storage tank, connecting pipeline and fixed pipeline in the utility model.

[0022] Figure 5 It is the bottom structure schematic diagram of the utility model in Figure 4 .

[0023] Figure 6 It is the local enlarged schematic diagram of the utility model in Figure 5 .

[0024] Figure 7 It is the three-dimensional structure schematic diagram of end pressurizing subassembly in the utility model.

[0025] In the drawing:

[0026] Direct current screen outer box -1, direct current screen electrical unit -2, bottom support plate -3, battery pack -4, dry powder storage tank -5, end pressurizing subassembly -6, rotating hand wheel -61, screw adjusting rod -62, arc pressing plate -63, compression spring -64, sliding piston -65, connecting pipeline -7, fixed pipeline -8, guide spray head -81. DETAILED DESCRIPTION

[0027] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-7 The utility model discloses a direct current screen with fire extinguishing structure, including direct current screen outer box 1, direct current screen outer box 1 is divided into two regions of upper and lower, wherein the region of upper installation has direct current screen electrical unit 2, the region of lower rectangular matrix type fixedly connected with bottom support plate 3, every bottom support plate 3 upper symmetry is equipped with fixed pipeline 8;

[0029] The end of the fixed pipeline 8 is fixedly connected with the direct current screen outer box 1, and the end of the fixed pipeline 8 extends to the outside of the direct current screen outer box 1 through the direct current screen outer box 1, wherein the side of the fixed pipeline 8 close to the bottom support plate 3 is rectangularly arrayed with a guide nozzle 81.

[0030] In the embodiment, one end of the fixed pipeline 8 extending to the outside of the direct current screen outer box 1 is fixedly connected with a connecting pipeline 7, and the other end of the connecting pipeline 7 away from the fixed pipeline 8 is fixedly connected with a dry powder storage tank 5.

[0031] The top of the dry powder storage tank 5 is provided with a terminal pressurizing assembly 6, and the bottom of the terminal pressurizing assembly 6 is mounted on the inside of the dry powder storage tank 5.

[0032] In the embodiment, the terminal pressurizing assembly 6 includes a rotating hand wheel 61, the bottom of the rotating hand wheel 61 is fixedly connected with a threaded adjusting rod 62, the end of the threaded adjusting rod 62 extends to the inside of the dry powder storage tank 5 through the dry powder storage tank 5, and the threaded adjusting rod 62 is threadedly connected with the dry powder storage tank 5.

[0033] Further, the inside of the dry powder storage tank 5 is also movably connected with an arc-shaped pressing plate 63 and a sliding piston 65, and the arc-shaped pressing plate 63 and the sliding piston 65 are fixedly connected with a compression spring 64.

[0034] Specifically, the sliding piston 65 is movably connected with the inside of the dry powder storage tank 5, and the arc-shaped pressing plate 63 is fixedly connected with the end of the threaded adjusting rod 62 away from the rotating hand wheel 61.

[0035] In the embodiment, the bottom support plate 3 is rectangularly arrayed with a battery pack 4, and there is one fixed pipeline 8 between every two battery packs 4, and the fixed pipeline 8 is above the two battery packs 4.

[0036] Further, the dry powder storage tank 5 is provided with two, and each of the dry powder storage tank 5 is welded with a symmetrical L-shaped support 51 near one side of the DC screen outer box body 1, and the dry powder storage tank 5 is fixedly connected with the DC screen outer box body 1 through the L-shaped support 51.

[0037] By adopting the above technical scheme, when the fire occurs inside the DC screen outer box body 1, the DC screen electrical unit 2 controls the electromagnetic valve below the dry powder storage tank 5 to open, the pressure inside the dry powder storage tank 5 pushes the dry powder inside to enter the fixed pipeline 8 through the connecting pipeline 7, and finally is sprayed out through the guide spray head 81 below the fixed pipeline 8, so that the dry powder covers on the battery pack 4, thereby playing a role of extinguishing the fire. With the decrease of the pressure inside the dry powder storage tank 5, the compression spring 64 pushes the sliding piston 65 to move downward, so that the space inside the dry powder storage tank 5 is reduced, the pressure inside the dry powder storage tank 5 is ensured, and the extinguishing efficiency is improved.

[0038] In the embodiment, the bottom of the dry powder storage tank 5 is communicated with the fixed pipeline 8, and the electromagnetic valve is arranged between the dry powder storage tank 5 and the fixed pipeline 8. The DC screen electrical unit 2 can control the electromagnetic valve to open, so that the dry powder is sprayed out.

[0039] In the embodiment, the photoelectric smoke detector is arranged above each of the battery packs 4, and the photoelectric smoke detector is electrically connected with the DC screen electrical unit 2 through the wire.

[0040] Specifically, when the fire occurs inside the DC screen outer box body 1, the smoke enters the detection chamber of the detector, the smoke particles cause the light emitted by the light emitting element to scatter, and the scattered light is received by the photoelectric element. When the light signal intensity exceeds the set threshold value, the photoelectric smoke detector transmits the signal to the DC screen electrical unit 2, and the DC screen electrical unit 2 controls the electromagnetic valve at the bottom of the dry powder storage tank 5 to open.

[0041] The utility model discloses a working principle is: when the inside of direct current screen outer box 1 appears fire;Photoelectric smoke detector can detect smoke, and photoelectric smoke detector will electric signal transmission to direct current screen electrical unit 2, and direct current screen electrical unit 2 controls the solenoid valve of dry powder storage tank 5 bottom to open, because the inside of dry powder storage tank 5 exists certain pressure, so the barometric pressure will push dry powder to enter fixed pipeline 8 through connecting pipeline 7, through the guide spray head 81 of fixed pipeline 8 bottom setting, make dry powder cover on battery pack 4, thereby insulate battery pack 4 and oxygen, thereby play the role of fire extinguishing, when the pressure of dry powder storage tank 5 inside is insufficient, through the rotation of hand wheel 61 to screw adjusting rod 62, through the screw cooperation between screw adjusting rod 62 and dry powder storage tank 5, adjust the position of arc-shaped pressing plate 63 in the inside of dry powder storage tank 5, thereby adjust the compression ratio of compression spring 64, and compression spring 64 can push sliding piston 65 to move downward, compress the space in the inside of dry powder storage tank 5, compensate the pressure in the inside of dry powder storage tank 5, guarantee the normal ejection of dry powder.

[0042] It will be apparent to those skilled in the art that the utility model is not limited to the details of the above-exemplified embodiments, and that the utility model can be implemented in other concrete forms without departing from the spirit or essential characteristics of the utility model. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the utility model being defined by the appended claims rather than the above description, and it is intended that all changes and modifications that come within the meaning and range of equivalents of the claims are to be embraced within the scope of the utility model. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0043] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A direct current panel having a fire extinguishing structure, characterized by: The utility model relates to a kind of dry powder extinguishing system for direct current screen, including direct current screen outer box (1), and the upper area of direct current screen outer box (1) is installed with direct current screen electrical unit (2), the lower area is fixedly connected with bottom support plate (3) in rectangular array, each bottom support plate (3) is symmetrically provided with fixed pipeline (8) above, and the end of fixed pipeline (8) is fixedly connected with direct current screen outer box (1), and the end of fixed pipeline (8) extends to the outside of direct current screen outer box (1) and is penetrated, wherein fixed pipeline (8) is installed with guide nozzle (81) in rectangular array on the side close to bottom support plate (3). The end of fixed pipeline (8) extending to the outside of direct current screen outer box (1) is fixedly connected with connecting pipeline (7), and the end of connecting pipeline (7) away from fixed pipeline (8) is fixedly connected with dry powder storage tank (5).

2. The DC panel having a fire extinguishing structure according to claim 1, characterized by: The upper side of dry powder storage tank (5) is equipped with end pressurization assembly (6), and the bottom of end pressurization assembly (6) is mounted on the inside of dry powder storage tank (5). The bottom of rotating hand wheel (61) is fixedly connected with threaded adjusting rod (62), and the end of threaded adjusting rod (62) extends to the inside of dry powder storage tank (5) and is penetrated, and threaded adjusting rod (62) is threadedly connected with dry powder storage tank (5).

3. The DC panel having a fire extinguishing structure according to claim 2, characterized by: The inside of dry powder storage tank (5) is also movably connected with arc-shaped pressing plate (63) and sliding piston (65), and arc-shaped pressing plate (63) and sliding piston (65) are fixedly connected with compression spring (64).

4. The DC panel having a fire extinguishing structure according to claim 3, characterized by: The inside of dry powder storage tank (5) is movably connected with sliding piston (65), and the end of arc-shaped pressing plate (63) away from rotating hand wheel (61) is fixedly connected with threaded adjusting rod (62).

5. The DC panel having a fire extinguishing structure according to claim 4, characterized by: Each bottom support plate (3) is fixedly connected with battery pack (4) in rectangular array, and one fixed pipeline (8) is arranged between every two battery packs (4), and fixed pipeline (8) is arranged above two battery packs (4).

6. The DC panel having a fire extinguishing structure according to claim 5, characterized by: Dry powder storage tank (5) is provided with two, and each dry powder storage tank (5) is welded with symmetrical L-shaped support (51) on the side close to direct current screen outer box (1), and dry powder storage tank (5) is fixedly connected with direct current screen outer box (1) through L-shaped support (51).

7. The DC panel having a fire extinguishing structure according to claim 6, characterized by: ​

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