Automatic temperature-sensing fire extinguishing device applied to power distribution cabinet
By introducing a drive, internal gear ring, and gear assembly design into the power distribution cabinet, combined with a ring track and slider, a wide coverage and precise spraying of the extinguishing agent is achieved. This solves the problems of limited spraying range and high cost of extinguishing agents in existing technologies, and improves fire extinguishing efficiency and equipment adaptability.
Patent Information
- Application Number
- CN202422849717.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-21
AI Technical Summary
Existing automatic temperature-sensing fire extinguishing devices have problems such as limited extinguishing agent spray range and high cost in power distribution cabinets. They are especially difficult to fully cover complex structures and lack effective remote monitoring and rapid response mechanisms.
The design incorporates components such as a driver, internal gear ring, first gear, and second gear, combined with a ring track and slider to achieve rotating coverage of the nozzle. It is equipped with heat and smoke detectors for precise positioning, and the design of annular channels and pipelines ensures wide coverage and stable delivery of the extinguishing agent.
It improves fire extinguishing efficiency, reduces equipment costs and maintenance difficulty, ensures wide coverage and precise spraying of extinguishing agents, avoids the problem of poor fire extinguishing effect, and adapts to complex electrical distribution cabinets.
Smart Images
Figure CN223516845U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fire extinguishing appliance application technical field, specifically a kind of automatic temperature sensing fire extinguishing device applied to switch board. BACKGROUND
[0002] Power supply and distribution system plays a vital role in modern work and life, and its safe and stable operation directly affects people's quality of life and production activities. However, the safety hazards of power distribution system cannot be ignored, especially when electrical equipment in power distribution control room is in high-load operation state for a long time, overload occurs frequently, which leads to circuit overheating and may cause fire and even explosion. Such accidents not only seriously affect the normal production and life order, but also cause great loss to personnel's life safety and property. It is especially worth noting that the substation usually adopts unattended mode, which makes it difficult to discover the initial fire in time. Even some substations are equipped with fire alarm system, but after the fire alarm is triggered, due to the lack of effective remote monitoring and rapid response mechanism, the management personnel often have difficulty in quickly and accurately locating the fault point, thus missing the best opportunity to extinguish the fire.
[0003] In order to effectively deal with the fire that may occur in power distribution cabinet or substation, the common practice in the industry is to install automatic temperature sensing fire extinguishing device inside the power distribution cabinet. These devices can automatically start when detecting abnormally high temperature, and release fire extinguishing agent to suppress the spread of fire. However, the existing automatic temperature sensing fire extinguisher still has some defects in design, especially in the directionality of the gas outlet. The traditional products usually fix the gas outlet downward. Although this design is simple and direct, it greatly limits the spraying range of the fire extinguishing agent, especially for the case of complex internal structure and many corners of the power distribution cabinet, it is difficult to achieve full coverage. In addition, in order to achieve full coverage, the traditional method is to cover a large area of nozzle on the top of the power distribution cabinet. Although it can cover the entire area inside the power distribution cabinet, the cost of production is relatively high, and both methods have obvious defects. Therefore, an automatic temperature sensing fire extinguishing device applied to switch board is proposed. SUMMARY
[0004] The utility model aims at providing an automatic temperature sensing fire extinguishing device applied to switch board to solve the problems raised in the background technology.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: An automatic temperature sensing fire extinguishing device applied to a power distribution cabinet, comprising a power distribution cabinet and a heat insulation cabinet arranged above the power distribution cabinet, an annular through slot is formed in the top of the power distribution cabinet, an inner gear ring is installed on the top of the power distribution cabinet, a box body for storing fire extinguishing agent is installed on the top of the inner gear ring, a drive is installed on the end face of the box body close to the power distribution cabinet, the drive drives the rotation of a first gear, the outer gear of the first gear is engaged with a second gear, the second gear is further engaged with the inner gear ring, a pipeline is installed on the box body, one end of the pipeline passes through the second gear and the annular through slot in sequence and enters the inside of the power distribution cabinet, a spray head is installed on the end of the pipeline away from the box body, an annular track is installed on the top of the inner cavity of the power distribution cabinet, a sliding block is arranged in the annular track, and the sliding block is used for limiting the movement of the spray head along the circumferential direction of the annular track.
[0006] As a further scheme of the utility model: The opening side of the power distribution cabinet is provided with a door plate.
[0007] As a further scheme of the utility model: A connecting pipe is further installed on the box body, one end of the connecting pipe passes through the drive and the first gear in sequence and enters the inner cavity of the power distribution cabinet, and a conical spray head is installed on one end of the connecting pipe in the power distribution cabinet.
[0008] As a further scheme of the utility model: The connecting pipe is movably connected with the drive and the first gear, and the connecting pipe is fixedly connected with the power distribution cabinet.
[0009] As a further scheme of the utility model: A plurality of temperature and smoke sensing detectors are installed on the inner wall of the power distribution cabinet, and the plurality of temperature and smoke sensing detectors are electrically connected with the drive.
[0010] As a further scheme of the utility model: The box body comprises a shell installed on the top of the inner gear ring, a shell cover is installed on the top of the shell, a circular hole is formed in the end face of the shell close to the power distribution cabinet, a connecting rod is installed on the shell cover, and a fixed plate is installed on the end of the connecting rod away from the shell cover.
[0011] As a further scheme of the utility model: The bottom surface of the shell and the bottom surface of the fixed plate are rotatably connected with the top surface of the rotating disc.
[0012] As a further scheme of the utility model: A first opening is formed in the rotating disc, and a second opening is formed in the fixed plate.
[0013] As a further scheme of the utility model: The bottom surfaces of the shell and the fixed plate are in the same horizontal plane.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] The application ingeniously sets key components such as a driver, an inner gear ring, a first gear and a second gear inside the heat insulation cabinet, so as to achieve wider internal area coverage with fewer spray heads, effectively improve the fire extinguishing efficiency, and greatly reduce the equipment cost and maintenance difficulty. In addition, with the design of the annular track and the slider, the height stability and accuracy of the spray head during position adjustment are ensured, the problem of poor fire extinguishing effect caused by the shaking of the spray head is solved, and the fire extinguishing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the power distribution cabinet of the utility model;
[0017] Figure 2 It is a schematic diagram of the top of the inner cavity of the power distribution cabinet of the utility model;
[0018] Figure 3 It is a schematic diagram of the inside of the heat insulation cabinet of the utility model;
[0019] Figure 4 It is a schematic diagram of the inside of the shell of the utility model;
[0020] Figure 5 It is a schematic diagram of the inside of the inner gear ring of the utility model;
[0021] In the figure: 1, power distribution cabinet; 2, door panel; 3, heat insulation cabinet; 4, annular through slot; 5, inner gear ring; 6, shell; 7, shell cover; 8, circular hole; 9, rotating disc; 10, connecting rod; 11, fixed plate; 12, first opening; 13, second opening; 14, driver; 15, first gear; 16, second gear; 17, connecting pipe; 18, pipeline; 19, spray head; 20, conical spray head; 21, annular track; 22, slider; 23, temperature and smoke detector. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 protection scope of the utility model.
[0023] Please refer to Figures 1-5The utility model discloses an automatic temperature sensing fire extinguishing device for power distribution cabinet, including power distribution cabinet 1 and the heat insulating cabinet 3 of being located power distribution cabinet 1 top, the top of power distribution cabinet 1 is equipped with annular through slot 4, the inner diameter of annular through slot 4 is greater than the outer diameter of pipeline 18, so that pipeline 18 when along the circumferential direction of annular through slot 4 moves, will not contact with power distribution cabinet 1, can effectively avoid the abrasion between pipeline 18 and power distribution cabinet 1, the top of power distribution cabinet 1 is equipped with inner tooth ring 5, and inner tooth ring 5 is fixedly connected at the top of power distribution cabinet 1 and will not move, and the top of inner tooth ring 5 is equipped with the box body of storing fire extinguishing agent, and inner tooth ring 5 is detachably connected with the box body, and the end face of box body near power distribution cabinet 1 is equipped with driver 14, and the inner wall of power distribution cabinet 1 is equipped with multiple temperature sensing smoke detector 23, and multiple temperature sensing smoke detector 23 can detect each area in power distribution cabinet 1, ensure that any area can be put out in first time after firing, and multiple temperature sensing smoke detector 23 all are electrically connected with driver 14, and the detection principle of temperature sensing smoke detector 23 and the connection with driver 14 are prior art, and here do not make too much elaboration, and driver 14 drives first gear 15 to rotate, and the outer tooth of first gear 15 is engaged with second gear 16, and second gear 16 is engaged with inner tooth ring 5, because the position of inner tooth ring 5 is fixedly unchanged, when first gear 15 rotates, will drive second gear 16 to rotate, therefore second gear 16 will rotate along with inner tooth ring 5 and move, and the box body is equipped with pipeline 18, and one end of pipeline 18 passes through second gear 16 and annular through slot 4 in turn and enters the inside of power distribution cabinet 1, and the pipeline 18 connected with second gear 16 will move synchronously with second gear 16, and second gear 16 is rotatably connected with pipeline 18, and the end portion of pipeline 18 away from the box body is equipped with spray head 19, in order to avoid the autorotation of pipeline 18, the top of power distribution cabinet 1 inner chamber is equipped with annular track 21, and annular track 21 is equipped with sliding block 22, and the sliding block 22 is used for limiting the movement of spray head 19 along the circumferential direction of annular track 21, because the sliding block 22 is fixedly connected with spray head 19, and the sliding block 22 is slidably connected with annular track 21, therefore pipeline 18 will move with first gear 15 as the axis, make the fire extinguishing agent from spray head 19 spray cover more areas in power distribution cabinet 1 fully, realize point-to-point fire extinguishing, when the fire of one area of power distribution cabinet 1 appears, the temperature sensing smoke detector 23 in this area detects that the temperature rises rapidly, at this moment, driver 14 drives first gear 15 to rotate, and first gear 15 drives second gear 16 to rotate and move, make the position of spray head 19 rotate to the fire area, and spray the fire extinguishing agent through spray head 19, complete the fire extinguishing rapidly, also can effectively avoid the waste of fire extinguishing agent.
[0024] Please refer to Figure 1In one embodiment, the preferred embodiment, the opening side of the power distribution cabinet 1 is provided with a door plate 2, the size of the door plate 2 matches the size of the opening side of the power distribution cabinet 1, and when the door plate 2 is closed, the opening side of the power distribution cabinet 1 can be blocked.
[0025] Please refer to Figures 1-2 and Figure 5 In one embodiment, the preferred embodiment, the box body is further provided with a connecting pipe 17, one end of the connecting pipe 17 sequentially penetrates the driver 14 and the first gear 15 and enters the inner cavity of the power distribution cabinet 1, one end of the connecting pipe 17 is provided with a conical nozzle 20 located in the power distribution cabinet 1, the connecting pipe 17 is movably connected with the driver 14 and the first gear 15, and the connecting pipe 17 is fixedly connected with the power distribution cabinet 1, further, when the driver 14 drives the first gear 15 to rotate, the connecting pipe 17 is not affected, and the design of the conical nozzle 20 can make the coverage area of the fire extinguishing agent sprayed through the conical nozzle 20 wider.
[0026] Please refer to Figures 4-5 In one embodiment, the preferred embodiment, the box body includes a shell 6 mounted on the top of the inner ring gear 5, the top of the shell 6 is provided with a shell cover 7, a circular hole 8 is formed in the end face of the shell 6 close to the power distribution cabinet 1, a connecting rod 10 is mounted on the shell cover 7, and a fixed plate 11 is mounted on the end of the connecting rod 10 away from the shell cover 7, the design of the connecting rod 10 can provide better installation conditions for the fixed plate 11, so that the connecting pipe 17, the driver 14 and the first gear 15 can be stably supported.
[0027] Please refer to Figures 4-5 In one embodiment, the preferred embodiment, the bottom surface of the shell 6 and the bottom surface of the fixed plate 11 are rotatably connected with the top surface of the rotating disc 9; the rotating disc 9 is provided with a first opening 12, and the fixed plate 11 is provided with a second opening 13; the bottom surfaces of the shell 6 and the fixed plate 11 are in the same horizontal plane, further, the first opening 12 matches the port of the pipeline 18, and the pipeline 18 is connected with the rotating disc 9, the second opening 13 matches the port of the connecting pipe 17, and the connecting pipe 17 is connected with the fixed plate 11, so as to ensure that the fire extinguishing agent in the shell 6 can smoothly enter the interiors of the connecting pipe 17 and the pipeline 18, and the design of the rotating disc 9 can change the position of the first opening 12 in real time with the position of the port of the pipeline 18, so as to ensure the stability of the fire extinguishing agent delivery process, wherein the principle of fire extinguishing by spraying fire extinguishing agent is known in the art, and will not be described in detail here.
[0028] Although the present specification is described in terms of embodiments, not every embodiment exhibits every characteristic or implements every combination of features described in the specification. In addition, the description of the specification is not meant to bind the inventors to a particular interpretation of the description. Rather, the specification is meant to provide a number of examples of embodiments of the present application and the description is merely exemplary of the principles of the application. Accordingly, the scope of the present application is not meant to be limited to the embodiments described in the specification. Rather, the scope of the present application is meant to include any embodiment falling within the scope of the claims.
[0029] The above description is merely illustrative of the embodiments of the present application and is not intended to limit the scope of the application. Rather, the scope of the present application is meant to encompass any variations that can become apparent to one of ordinary skill in the art once given the benefit of this disclosure.
Claims
1. An automatic temperature-sensing fire extinguishing device applied to a power distribution cabinet, comprising a power distribution cabinet (1) and a heat insulation cabinet (3) arranged above the power distribution cabinet (1), characterized in that, An annular through slot (4) is formed on the top of the power distribution cabinet (1), an inner gear ring (5) is installed on the top of the power distribution cabinet (1), a box body for storing fire extinguishing agent is installed on the top of the inner gear ring (5), a driver (14) is installed on the end face of the box body close to the power distribution cabinet (1), the driver (14) drives the rotation of a first gear (15), the outer gear of the first gear (15) is engaged with a second gear (16), the second gear (16) is engaged with the inner gear ring (5), a pipeline (18) is installed on the box body, one end of the pipeline (18) penetrates through the second gear (16) and the annular through slot (4) in sequence and enters the inside of the power distribution cabinet (1), a nozzle (19) is installed on the end of the pipeline (18) away from the box body, an annular track (21) is installed on the top of the inner cavity of the power distribution cabinet (1), a sliding block (22) is arranged in the annular track (21), and the sliding block (22) is used for limiting the movement of the nozzle (19) along the circumferential direction of the annular track (21).
2. The automatic temperature-sensing fire extinguishing device for use in a power distribution cabinet according to claim 1, characterized in that, A door plate (2) is installed on the opening side of the power distribution cabinet (1).
3. The automatic temperature-sensing fire extinguishing device for use in a power distribution cabinet according to claim 1, characterized in that, A connecting pipe (17) is further installed on the box body, one end of the connecting pipe (17) penetrates through the driver (14) and the first gear (15) in sequence and enters the inside of the power distribution cabinet (1), and a conical nozzle (20) is installed on one end of the connecting pipe (17) in the power distribution cabinet (1).
4. The automatic temperature-sensing fire extinguishing device for use in a power distribution cabinet according to claim 3, characterized in that, The connecting pipe (17) is movably connected with the driver (14) and the first gear (15), and the connecting pipe (17) is fixedly connected with the power distribution cabinet (1).
5. The automatic temperature-sensing fire extinguishing apparatus for use in an electrical switchgear according to claim 1, wherein A plurality of temperature and smoke sensors (23) are installed on the inner wall of the power distribution cabinet (1), and the plurality of temperature and smoke sensors (23) are electrically connected with the driver (14).
6. The automatic temperature-sensing fire extinguishing apparatus for use in an electrical switchgear according to claim 1, wherein The box body comprises a shell (6) installed on the top of the inner gear ring (5), a shell cover (7) is installed on the top of the shell (6), a circular hole (8) is formed on the end face of the shell (6) close to the power distribution cabinet (1), a connecting rod (10) is installed on the shell cover (7), and a fixed plate (11) is installed on the end of the connecting rod (10) away from the shell cover (7).
7. The automatic temperature-sensing fire extinguishing device for use in an electrical switchgear cabinet according to claim 6, characterized in that, The bottom surface of the shell (6) and the bottom surface of the fixed plate (11) are rotatably connected with the top surface of a rotating disc (9).
8. The automatic temperature-sensing fire extinguishing device for use in an electrical switchgear according to claim 7, characterized in that, A first opening (12) is formed on the rotating disc (9), and a second opening (13) is formed on the fixed plate (11).
9. The automatic temperature-sensing fire extinguishing apparatus for use in an electrical switchgear cabinet according to claim 6, characterized by The bottom surfaces of the shell (6) and the fixed plate (11) are in the same horizontal plane.