A flame retardant cable branch box
By designing automated fire extinguishing components and smoke sensor systems in the cable branch box, the problem of poor flame retardant effect of existing cable branch boxes is solved, achieving more efficient fire extinguishing effects and safety guarantees.
Patent Information
- Application Number
- CN202421391558.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The flame retardant effect of existing cable branch boxes is not good when they catch fire, especially when the internal branch boxes are spontaneously ignited, the flame retardant effect is significantly reduced.
A flame retardant cable branch box is designed including a box housing, multiple fire extinguishing components, smoke sensors and control systems. The fire extinguishing assembly includes a tilted fire extinguisher. Through the cooperation of smoke sensors and electromagnets, the fire extinguishing material is automatically sprayed when smoke is detected, and the fire extinguishing is achieved in all directions through reverse thrust.
It improves the flame retardant effect of the cable branch box when it catches fire, ensures that the fire extinguisher can move on its own, cover more areas, achieves all-round fire extinguishing, and assists in extinguishing the fire by actively breathing and sealing the air inlet.
Smart Images
Figure CN222706155U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cable branch boxes, in particular to a flame-retardant cable branch box. Background Art
[0002] Cable branch boxes are equipment used in power systems, often used to connect main cables and branch cables, and provide protection and control for branch cables. Existing cable branch boxes usually only have fire-retardant coatings on the box body, such as flame-retardant paint. These are passive flame-retardant settings, resulting in poor flame-retardant effects when a real fire occurs. In particular, when the branch box spontaneously ignites, its flame-retardant effect is greatly reduced. Utility Model Content
[0003] The utility model aims to provide a flame retardant cable branch box to solve the problem of poor flame retardant effect of branch boxes in the prior art.
[0004] The utility model is realized by the following technical scheme: a flame-retardant cable branch box, comprising a box shell, a plurality of fire extinguishing components, the fire extinguishing components comprising a fire extinguisher, a smoke sensor and a control system are arranged on the top of the box shell, a plurality of bearing components are arranged on the box shell, a fire extinguishing component and an action component are arranged on the bearing component, the bearing component comprises a bearing frame, the bearing frame is mounted on the box shell, a slide rail is arranged on the bearing frame, a slider is slidably connected to the slide rail, a mounting ring is installed on the slider, the fire extinguisher is mounted on the mounting ring, and the fire extinguisher is pressed An elastic ring is sleeved on the pressing handle, and the fire extinguisher is tilted; the action component includes a bracket, an electromagnet and a third spring are installed on the bracket, the third spring is connected to a safety pin, and the safety pin is inserted into the pressing handle of the fire extinguisher; when combustion smoke is generated in the box shell, the smoke sensor detection is triggered, and the control system obtains the signal of the smoke sensor to energize the electromagnet, and the electromagnet attracts the safety pin and pulls it out from the pressing handle of the fire extinguisher. Under the action of the elastic ring, the fire extinguisher starts to spray out the fire extinguishing substance, and at the same time, the reverse thrust when the fire extinguishing substance is sprayed is used to make the slider slide on the slide rail.
[0005] In order to better implement the utility model, further, the plurality of the bearing assemblies are divided into odd-numbered series and even-numbered series in order, and the bearing assemblies of the odd-numbered series are horizontally rotated 180° to obtain the bearing assemblies of the even-numbered series. Through the above arrangement, the fire extinguishers of the odd-numbered series and the fire extinguishers of the even-numbered series can spray each other's fire extinguishing blind spots, so as to achieve all-round fire extinguishing.
[0006] In order to better realize the utility model, further, the mounting ring is fixedly connected to the adjusting toothed ring, the adjusting toothed ring is rotatably connected to the slider, the slider is slidably connected to the limiting pin, a second spring is arranged between the limiting pin and the slider, and the limiting pin is embedded in the groove of the adjusting toothed ring to limit the adjusting toothed ring. Through the above arrangement, the inclination angle of the fire extinguisher can be freely adjusted to change the spraying angle of the fire extinguishing substance.
[0007] In order to better realize the utility model, further, a diffusion cover for expanding the spray width of the fire extinguishing material is installed on the nozzle of the fire extinguisher, and the diffusion cover is fan-shaped.
[0008] In order to better implement the utility model, further, the surfaces of the slider contacting the slide rail are provided with gaskets, which are used to increase friction. By changing the friction, the sliding speed of the slider on the slide rail can be adjusted to control the fire extinguishing material sprayed by the fire extinguisher to be sprayed evenly, ensuring successful fire extinguishing.
[0009] In order to better realize the utility model, further, the top of the box shell is provided with a plurality of ventilation components and a plurality of air inlets, and the ventilation components include ventilation balls, and the ventilation balls are rotatably connected to the air inlets on the box shell. By providing the ventilation balls, when the outside world is windy, the airflow can be sent into the box shell by the ventilation balls, realizing the function of active ventilation in the box shell.
[0010] In order to better realize the utility model, further, the ventilation assembly also includes a baffle, which is used to block the air inlet on the box shell.
[0011] In order to better realize the utility model, further, a mounting frame is installed on the box shell, the mounting frame is connected to the bearing frame through a plurality of first springs, and a push rod is installed on the bearing frame. When the fire extinguisher is extinguishing a fire, the reverse thrust enables the push rod to overcome the tension of the first spring and lift the baffle to block the air inlet. Through the above arrangement, when the fire extinguisher is working, the air inlet can be blocked to prevent fresh air from entering the box shell and prevent air from further flowing into the combustion-supporting device.
[0012] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0013] (1) The utility model provides a fire extinguishing assembly that slides obliquely on the carrying frame, and utilizes the reverse thrust generated when the fire extinguisher sprays the fire extinguishing substance, so that the fire extinguisher can move on its own, and fire extinguishing operations can be performed in more areas, thereby improving the fire extinguishing effect;
[0014] (2) The utility model provides a ventilation assembly to supply fresh air into the box body in normal times, thereby improving the heat dissipation effect; at the same time, in the event of a fire, the ventilation assembly can prevent the air flow from flowing into the box body, thereby assisting in fire extinguishing. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0016] Figure 2 This is a front view of the overall structure of the utility model.
[0017] Figure 3 It is a schematic diagram of the structure of multiple load-bearing components.
[0018] Figure 4 It is a schematic diagram of the structure of the load-bearing component.
[0019] Figure 5 This is a schematic diagram of the action component structure.
[0020] Figure 6 It is a schematic diagram of the fire extinguishing component structure.
[0021] Figure 7 Schematic diagram of the installation ring structure.
[0022] Figure 8 It is a cross-sectional view of the limit pin structure.
[0023] Fig. 9 Schematic diagram of the baffle structure.
[0024] Among them: 2-bearing component; 3-ventilation component; 4-fire extinguishing component; 5-action component; 101-box shell; 102-installation frame; 201-bearing frame; 202-top rod; 203-first spring; 204-slide rail; 205-installation ring; 206-slider; 207-adjusting gear ring; 208-second spring; 209-limiting pin; 301-ventilation ball; 302-baffle; 401-fire extinguisher; 402-safety pin; 403-elastic ring; 404-diffusion cover; 501-bracket; 502-electromagnet; 503-third spring. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] Embodiment 1:
[0027] like Figure 1-Figure 9As shown, a flame-retardant cable branch box includes a box shell 101, a plurality of fire extinguishing components 4, the fire extinguishing components 4 include a fire extinguisher 401, a smoke sensor and a control system are arranged on the top of the box shell 101, a plurality of bearing components 2 are arranged on the box shell 101, the fire extinguishing components 4 and the action components 5 are arranged on the bearing components 2, the bearing components 2 include a bearing frame 201, the bearing frame 201 is installed on the box shell 101, a slide rail 204 is arranged on the bearing frame 201, and a slider 206 is slidably connected to the slide rail 204 , a mounting ring 205 is installed on the slider 206, the fire extinguisher 401 is installed on the mounting ring 205, an elastic ring 403 is sleeved on the pressing handle of the fire extinguisher 401, and the fire extinguisher 401 is tilted; the action component 5 includes a bracket 501, an electromagnet 502 and a third spring 503 are installed on the bracket 501, the third spring 503 is connected to a safety pin 402, and the safety pin 402 is inserted on the pressing handle of the fire extinguisher 401; the elastic ring 403 is an elastic ring-shaped object similar to a rubber band, and the box shell 101 is coated with fire-retardant paint.
[0028] When combustion smoke is generated in the box shell 101, the smoke sensor detection is triggered. After the control system obtains the signal from the smoke sensor, it energizes the electromagnet 502. This principle is an existing technology that can be understood by technicians in this field, and this setting is not an improvement point of the present technical solution, which will not be repeated here. After being energized, the electromagnet 502 attracts the safety pin 402 and pulls it out from the pressing handle of the fire extinguisher 401. Due to the lack of the restriction of the safety pin 402, under the action of the elastic ring 403, the pressing handle is closed, and the fire extinguisher 401 begins to spray fire extinguishing substances. The fire extinguisher 401 can be a dry powder fire extinguisher or a carbon dioxide fire extinguisher. At the same time, the reverse thrust when the fire extinguishing substances are sprayed is used to make the slider 206 slide on the slide rail 204, so that the fire extinguisher 401 can extinguish the fire seedlings in various places in the box shell 101.
[0029] Embodiment bearing assembly 2:
[0030] like Figure 2 , Figure 3 As shown, the plurality of the bearing assemblies 2 are sequentially divided into odd-numbered series and even-numbered series. Taking the bearing assembly 2 in the figure as an example, the bearing assembly 2 of the odd-numbered series is horizontally rotated 180° to obtain the bearing assembly 2 of the even-numbered series. Through this arrangement, the bearing assemblies 2 of the odd-numbered series and the bearing assemblies 2 of the even-numbered series can spray each other to extinguish the fire blind spots, so as to achieve all-round fire extinguishing.
[0031] like Figure 7-Figure 8As shown, the mounting ring 205 is fixedly connected to the adjusting toothed ring 207, the adjusting toothed ring 207 is rotatably connected to the slider 206, the slider 206 is slidably connected to the limiting pin 209, a second spring 208 is provided between the limiting pin 209 and the slider 206, and the limiting pin 209 is embedded in the groove of the adjusting toothed ring 207 to limit the adjusting toothed ring 207. The personnel pull out the limiting pin 209 by overcoming the elastic force of the second spring 208, and then rotate the mounting ring 205 to adjust the inclination angle of the fire extinguisher 401. After the adjustment is completed, the personnel release the limiting pin 209, and under the action of the second spring 208, the limiting pin 209 is embedded in the adjusting toothed ring 207, so that the inclination angle of the fire extinguisher 401 is fixed. Through the above arrangement, the inclination angle of the fire extinguisher 401 can be freely adjusted to change the spraying angle of the fire extinguishing substance.
[0032] like Figure 6 As shown, a diffusion cover 404 for expanding the spray width of the fire extinguishing material is installed on the nozzle of the fire extinguisher 401, and the diffusion cover 404 is fan-shaped. The diffusion cover 404 increases the coverage width of the fire extinguishing material.
[0033] The surfaces of the slider 206 contacting the slide rail 204 are provided with gaskets for increasing friction. By changing the friction, the sliding speed of the slider 206 on the slide rail 204 can be adjusted to control the fire extinguishing material sprayed by the fire extinguisher 401 to be sprayed evenly to ensure successful fire extinguishing.
[0034] like Figure 1 As shown, the top of the box shell 101 is provided with a plurality of ventilation components 3 and a plurality of air inlets, and the ventilation components 3 include ventilation balls 301, and the ventilation balls 301 are rotatably connected to the air inlets on the box shell 101. The ventilation balls 301 are existing accessories sold on the market, and the specific models are adaptively selected by those skilled in the art. By providing the ventilation balls 301, when the wind blows from the outside, the airflow can be sent into the box shell 101 by the ventilation balls 301, so as to realize the function of active ventilation in the box shell 101.
[0035] like Fig. 9 As shown, the ventilation assembly 3 further includes a baffle 302, which is used to block the air inlet on the box shell 101. When the airflow at the ventilation ball 301 is not required to flow into the box shell 101, the baffle 302 can be turned over to block the air inlet.
[0036] like Fig. 9As shown, the mounting frame 102 is installed on the box shell 101, and the mounting frame 102 is connected to the carrying frame 201 through a plurality of first springs 203. The top rod 202 is installed on the carrying frame 201. When the fire extinguisher 401 is extinguishing a fire, the reverse thrust enables the top rod 202 to overcome the pulling force of the first spring 203 and lift the baffle 302 to block the air inlet. This arrangement can block the air inlet when the fire extinguisher 401 is working, preventing fresh air from entering the box shell 101, and preventing air from further flowing into the combustion.
[0037] Working principle: when a fire occurs in the box shell 101, the smoke sensor is triggered. After the control system obtains the signal of the smoke sensor, it energizes the electromagnet 502. Then the electromagnet 502 pulls the safety pin 402 out of the pressing handle on the fire extinguisher 401. At this time, under the action of the elastic ring 403, multiple fire extinguishers 401 begin to spray fire extinguishing substances. Under the action of the reverse thrust, the odd-numbered fire extinguishers 401 and the even-numbered fire extinguishers 401 first approach each other and then move away from each other. At the same time, during the movement of the fire extinguisher 401, the first spring 203 is stretched, the bearing frame 201 drives the top rod 202 to move upward, and the top rod 202 lifts the baffle 302 to rotate, so that the baffle 302 seals the air inlet to prevent fresh air from flowing into the box shell 101. The odd-numbered fire extinguishers 401 and the even-numbered fire extinguishers 401 cross-spray, and the fire extinguishing without dead angles in the box shell 101 is completed.
[0038] The above is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent change made to the above embodiment based on the technical essence of the present invention shall fall within the protection scope of the present invention.
Claims
1. A flame-retardant cable branch box, comprising a box housing (101), a plurality of fire extinguishing components (4), the fire extinguishing components (4) comprising a fire extinguisher (401), a smoke sensor and a control system being arranged on the top of the box housing (101), characterized in that: A plurality of bearing components (2) are arranged on the box shell (101), a fire extinguishing component (4) and an action component (5) are arranged on the bearing component (2), the bearing component (2) comprises a bearing frame (201), the bearing frame (201) is mounted on the box shell (101), a slide rail (204) is arranged on the bearing frame (201), a slider (206) is slidably connected to the slide rail (204), and a mounting ring (205) is mounted on the slider (206). ), the fire extinguisher (401) is mounted on the mounting ring (205), an elastic ring (403) is sleeved on the pressing handle of the fire extinguisher (401), and the fire extinguisher (401) is tilted; the action component (5) comprises a bracket (501), an electromagnet (502) and a third spring (503) are mounted on the bracket (501), a safety pin (402) is connected to the third spring (503), and the safety pin (402) is inserted into the pressing handle of the fire extinguisher (401); When combustion smoke is generated in the box housing (101), the smoke sensor is triggered for detection. After the control system obtains the signal from the smoke sensor, it energizes the electromagnet (502). The electromagnet (502) attracts the safety pin (402) and pulls it out from the pressing handle of the fire extinguisher (401). Under the action of the elastic ring (403), the fire extinguisher (401) starts to spray out fire extinguishing substances. At the same time, the reverse thrust when the fire extinguishing substances are sprayed out causes the slider (206) to slide on the slide rail (204).
2. A flame-retardant cable branch box according to claim 1, characterized in that: The plurality of bearing assemblies (2) are sequentially divided into an odd-numbered series and an even-numbered series, and the bearing assemblies (2) of the odd-numbered series are horizontally rotated 180° to obtain the bearing assemblies (2) of the even-numbered series.
3. The flame-retardant cable branch box according to claim 1, characterized in that: The mounting ring (205) is fixedly connected to an adjusting toothed ring (207), the adjusting toothed ring (207) is rotatably connected to a slider (206), a limiting pin (209) is slidably connected to the slider (206), a second spring (208) is provided between the limiting pin (209) and the slider (206), and the limiting pin (209) is embedded in a groove of the adjusting toothed ring (207) to limit the adjusting toothed ring (207).
4. The flame-retardant cable branch box according to claim 1, characterized in that: A diffusion cover (404) for expanding the spray width of the fire extinguishing material is installed on the nozzle of the fire extinguisher (401), and the diffusion cover (404) is fan-shaped.
5. The flame-retardant cable branch box according to claim 1, characterized in that: Gaskets are provided on the surfaces of the sliding block (206) that contact the sliding rail (204), and the gaskets are used to increase friction.
6. The flame-retardant cable branch box according to claim 1, characterized in that: A plurality of ventilation components (3) and a plurality of air inlets are arranged on the top of the box shell (101); the ventilation components (3) include ventilation balls (301); and the ventilation balls (301) are rotatably connected to the air inlets on the box shell (101).
7. The flame-retardant cable branch box according to claim 6, characterized in that: The ventilation assembly (3) further comprises a baffle (302), wherein the baffle (302) is used to block an air inlet on the box shell (101).
8. The flame-retardant cable branch box according to claim 7, characterized in that: A mounting frame (102) is mounted on the box shell (101); the mounting frame (102) is connected to the supporting frame (201) via a plurality of first springs (203); a push rod (202) is mounted on the supporting frame (201); when the fire extinguisher (401) is extinguishing a fire, a reverse thrust causes the push rod (202) to overcome the pulling force of the first springs (203) and lift up the baffle (302) to block the air inlet.