CN114498336A

CN114498336A - Intelligent fire-fighting switch cabinet with fire warning and fire extinguishing functions

Info

Publication number: CN114498336A
Application number: CN202210205429.9A
Authority: CN
Inventors: 原佩佩; 傅瑞军; 栾丽燕; 刘宝磊; 常成; 荆青; 万旺迪; 李晏宁; 丁雨成; 魏鑫
Original assignee: Dongying Jinfeng Zhengyang Technology Development Co ltd
Current assignee: Dongying Jinfeng Zhengyang Technology Development Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-05-13
Anticipated expiration: 2042-03-04
Also published as: CN114498336B

Abstract

The invention belongs to the technical field of electrical switch cabinets, and particularly relates to an intelligent fire-fighting switch cabinet with fire alarm early warning and fire extinguishing functions, which comprises a cabinet body, a cabinet door and a mounting bracket, wherein the cabinet body is provided with a cabinet door opening and a cabinet door opening; the fire extinguishing agent storage tank and the fire extinguishing agent nozzle are connected with the fire extinguishing agent storage tank through a pipeline, and a stop valve is arranged on the pipeline; still include trigger device, trigger device includes haulage rope and pouring weight, and the haulage rope arranges in the cabinet internally, the pouring weight quilt the haulage rope pulls and is in the state of dangling, and works as can make the pouring weight fall when the haulage rope fracture, the pouring weight with be equipped with first link gear between the stop valve, first link gear is assembled to be can make when the pouring weight falls and is in the closed condition the stop valve switches to the open mode. The fire extinguishing device is used for identifying a fire by adopting a pure mechanical mode, can trigger the fire extinguishing device to start when the fire breaks out, is not influenced by the on-off of power, can play a role in preventing and reducing the disaster even if the power is interrupted, and provides guarantee for safe industrial production.

Description

Intelligent fire-fighting switch cabinet with fire warning and fire extinguishing functions

Technical Field

The invention belongs to the technical field of electrical switch cabinets, and particularly relates to an intelligent fire-fighting switch cabinet with fire alarm early warning and fire extinguishing functions.

Background

The switch cabinet is an important power distribution and control device, is widely applied to industrial production activities, and is mainly used for power distribution of industrial equipment and control of operation of the industrial equipment. Owing to have a large amount of forceful electric power circuits in the cubical switchboard, consequently there is certain conflagration potential safety hazard, in order to improve the security of cubical switchboard, mainly adopt electronic equipment to monitor the cubical switchboard among the prior art, need the manual work to deal with when the condition of a fire appears. However, when a fire occurs, the normal operation of the electronic equipment is generally affected, and even the electronic equipment is powered off, so that the monitoring by using the electronic equipment is far from enough, and the reliability of the monitoring cannot meet the safety production requirement.

Disclosure of Invention

The invention aims to provide an intelligent fire-fighting switch cabinet with fire alarm early warning and fire extinguishing functions, which can extinguish fire of the switch cabinet in a mechanical mode, reliably start a fire extinguishing device even in the case of power failure, avoid large-scale fire accidents and ensure safe production.

The technical scheme adopted by the invention is as follows:

an intelligence fire control cubical switchboard with fire alarm early warning and function of putting out a fire, includes:

a cabinet body;

the cabinet door is positioned at the front end of the cabinet body and is connected with the cabinet body through a hinge;

the mounting bracket is positioned in the cabinet body and used for mounting an electrical switch;

the fire extinguishing agent storage tank is arranged on the inner side or the outer side of the cabinet body;

the fire extinguishing agent nozzle is mounted at the top of the cabinet body and is connected with the fire extinguishing agent storage tank through a pipeline, and a stop valve is arranged on the pipeline;

trigger device, including haulage rope and pouring weight, the haulage rope is arranged in the cabinet internally, the haulage rope is made by combustible material, the haulage rope through a plurality of guide pulleys with the pouring weight is connected, the pouring weight quilt the haulage rope pulls and is in the state of dangling, and works as can make the pouring weight fall when the haulage rope fracture, the pouring weight with be equipped with first linkage mechanism between the stop valve, first linkage mechanism is assembled and is worked as can make during the pouring weight be in the closed condition the stop valve switches to the state of opening.

In an optional embodiment of the invention, the stop valve comprises a valve housing and a valve core, the valve core is slidably disposed in the valve housing, the valve housing is provided with a first port and a second port, the first port is connected with the fire extinguishing agent storage tank, the second port is connected with the fire extinguishing agent spray head, the valve core is provided with a through hole, and when the valve core moves in the valve housing, the through hole can be aligned with or staggered with the first port and the second port to open or close the stop valve; the first linkage mechanism comprises a first locking hole formed in a valve core, a second locking hole formed in a valve shell and a locking pin, when the via hole is staggered with the first interface and the second interface, the first locking hole is aligned with the second locking hole, the locking pin is inserted into the first locking hole and the second locking hole to limit the relative displacement of the valve core and the valve shell, a pressure spring is arranged between the valve core and the valve shell, and the pressure spring is configured to drive the valve core to slide relative to the valve shell to enable the via hole to be aligned with the first interface and the second interface when the locking pin is pulled out of the first locking hole and the second locking hole; the locking pin is hung below the stop valve, a limiting part which is mutually blocked and connected is arranged between the heavy block and the locking pin, and when the heavy block falls, the locking pin can be driven to be drawn out from the first locking hole and the second locking hole under the action of the limiting part.

In an optional embodiment of the present invention, the limiting portion includes a pressing plate fixedly connected to the weight, and a first flange fixedly connected to a lower end of the locking pin, and the pressing plate is suspended above the first flange; and a second flange is further arranged on the locking pin and positioned above the pressure plate, and when the traction rope is not broken, the pressure plate is blocked with the second flange so as to prevent the locking pin from falling off.

In an optional embodiment of the invention, a traction rope posture adjusting mechanism is arranged in the cabinet body, and is assembled to enable the traction rope to be switched between the following two working positions:

the first station, the traction rope passes through the upper part of the installation area of the electric switch, so that the traction rope can be quickly fused when the electric switch catches fire;

and the traction rope moves a certain distance relative to the station in a direction far away from the cabinet door so as to avoid the flat cable installation space of the electric switch.

In an optional embodiment of the present invention, the pull rope posture adjusting mechanism includes a rotating shaft disposed in the cabinet, an axial direction of the rotating shaft is disposed along a width direction of the cabinet, the rotating shaft is rotatably connected to the mounting bracket, two ends of the rotating shaft are respectively provided with overhanging portions protruding along a radial direction of the rotating shaft, overhanging ends of the two overhanging portions are respectively provided with a first guide wheel, roots of the two overhanging portions are respectively provided with a second guide wheel, the pull rope is tensioned between the two first guide wheels, and the pull rope respectively bypasses the two second guide wheels in a zigzag manner; the rotating shaft is rotatably arranged between the following two stations:

the two overhanging parts overhang to the side where the cabinet door is located along the horizontal direction;

the two overhanging parts overhang upwards along the vertical direction;

when the rotating shaft is located at the station a, the traction rope is located at the station I, and when the rotating shaft is located at the station b, the traction rope is located at the station II.

In an optional embodiment of the present invention, a second linkage mechanism is disposed between the pull rope posture adjusting mechanism and the cabinet door, and the second linkage mechanism is configured to drive the rotating shaft at the station b to the station a when the cabinet door is closed, and drive the rotating shaft at the station a to the station b when the cabinet door is opened.

In an optional embodiment of the present invention, the second linkage mechanism includes a swing arm fixedly connected to the rotating shaft, an end of the swing arm is provided with a guide pin, an inner wall of one side of the box body is provided with a lifting plate movably arranged along a vertical direction, the lifting plate is provided with a horizontal waist-shaped hole, and the guide pin is inserted into the horizontal waist-shaped hole and forms a sliding fit therewith; the lifting plate is provided with a guide plate, and the guide plate is provided with an inclined waist-shaped hole; the inner wall of the cabinet body is provided with a push block movably arranged along the front-back direction of the cabinet body, the push block is provided with a drive pin, and the drive pin is inserted into the inclined waist-shaped hole and forms sliding fit with the inclined waist-shaped hole; the inner side of the cabinet door is provided with an overhanging plate, a connecting rod is arranged between the overhanging plate and the push block, and two ends of the connecting rod are respectively hinged with the overhanging plate and the push block.

In an optional embodiment of the invention, at least two layers of installation spaces are arranged in the cabinet body, a traction rope posture adjusting mechanism is respectively arranged above each layer of installation support, one end of the traction rope is connected with the side wall of the cabinet body, and the other end of the traction rope sequentially bypasses each traction rope posture adjusting mechanism from bottom to top under the guidance of a plurality of guide wheels and is finally connected with the weight.

In an optional embodiment of the present invention, a smoke sensor is disposed in the cabinet, and the smoke sensor is connected to an alarm.

In an optional embodiment of the present invention, heat dissipation openings are disposed on two sides of the cabinet body and an upper end of the cabinet body, wherein an exhaust fan is disposed on the heat dissipation opening at the upper end of the cabinet body.

The invention has the technical effects that:

the fire extinguishing device disclosed by the invention is used for identifying a fire by adopting a pure mechanical mode, can reliably trigger the fire extinguishing device to start when the fire breaks out, is not influenced by the on-off of power, can effectively play a role in preventing and reducing the disaster even if the power is interrupted, and provides a guarantee for safe industrial production.

The posture adjusting mechanism can enable the traction rope to avoid a winding displacement installation space above the electric switch in the wiring process, is convenient for winding displacement installation on one hand, and can avoid the condition that the traction rope is accidentally injured in the winding displacement installation process to cause the fire extinguishing device to be triggered by mistake on the other hand. In specific application, the switch cabinet can adopt a uniform arched wiring mode, namely, a flat cable between an upper row of electric elements and a lower row of electric elements is arched towards the front side of the cabinet body, so that a space for a shuttling traction rope can be reserved behind the flat cable; after the flat cable is connected, the traction rope posture adjusting mechanism can transfer the traction rope to the upper part of an electrical element, and the electrical element is generally a part with higher probability of fire occurrence, especially a wiring part, so that the traction rope is transferred to the upper part of the electrical element and can be contacted with flame at the first time when the fire occurs, and the fire extinguishing device is triggered.

The linkage control between the traction rope posture adjusting mechanism and the cabinet door is realized by utilizing the second linkage mechanism, when the cabinet door is opened, generally, the line in the cabinet body needs to be repaired, at the moment, the second linkage mechanism drives the traction rope to the second station, so that the traction rope can avoid the maintenance space, and the equipment structure and the control flow are simplified by adopting the second linkage mechanism.

Drawings

Fig. 1 is a perspective view of an intelligent fire protection switch cabinet with fire warning and extinguishing functions according to an embodiment of the present invention;

FIG. 2 is an enlarged view of section I of FIG. 1;

FIG. 3 is an enlarged view of a portion II of FIG. 1;

FIG. 4 is a front view of a fire protection switch assembly provided by an embodiment of the present invention;

FIG. 5 is a sectional view A-A of FIG. 4;

FIG. 6 is an enlarged partial view of III of FIG. 5;

FIG. 7 is a cross-sectional view D-D of FIG. 4;

FIG. 8 is a cross-sectional view B-B of FIG. 5;

FIG. 9 is an enlarged partial view of IV of FIG. 8;

FIG. 10 is a cross-sectional view C-C of FIG. 5;

FIG. 11 is an enlarged partial view V of FIG. 10;

fig. 12 is a partial enlarged view VI of fig. 10;

fig. 13 is a partially enlarged view VII of fig. 10.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

Referring to fig. 1-13, an intelligent fire-fighting switch cabinet with fire warning and extinguishing functions includes a cabinet body 10; the cabinet door 11 is positioned at the front end of the cabinet body 10 and connected with the cabinet body 10 through a hinge; a mounting bracket 12 located in the cabinet 10 for mounting an electrical switch or an electrical component; a fire extinguishing agent storage tank 20 installed inside or outside the cabinet 10; the fire extinguishing agent nozzle 21 is mounted at the top of the cabinet body 10, the fire extinguishing agent nozzle 21 is connected with the fire extinguishing agent storage tank 20 through a pipeline, and a stop valve 22 is arranged on the pipeline; trigger device, including haulage rope 30 and weight 31, haulage rope 30 arranges in cabinet 10, haulage rope 30 is made by combustible material, haulage rope 30 through a plurality of guide pulleys with weight 31 is connected, weight 31 by haulage rope 30 pulls and is in the state of dangling, and works as can make weight 31 fall when haulage rope 30 breaks, weight 31 with be equipped with first link gear between the stop valve 22, first link gear is assembled and is worked as can make when weight 31 falls and be in the closed condition the stop valve 22 switches to the open condition.

Preferably, as shown in fig. 7, the stop valve 22 includes a valve housing 221 and a valve core 222, the valve core 222 is slidably disposed in the valve housing 221, a first port 223 and a second port 224 are disposed on the valve housing 221, the first port 223 is connected to the fire extinguishing agent storage tank 20, the second port 224 is connected to the fire extinguishing agent spray head 21, a through hole 225 is disposed on the valve core 222, and when the valve core 222 moves in the valve housing 221, the through hole 225 can be aligned with or misaligned with the first port 223 and the second port 224, so as to open or close the stop valve 22; the first linkage mechanism comprises a first locking hole arranged on a valve core 222 and a second locking hole arranged on a valve shell 221, and a locking pin 23, when the through hole 225 is staggered with the first port 223 and the second port 224, the first locking hole is aligned with the second locking hole, the locking pin 23 is inserted into the first locking hole and the second locking hole to limit the relative displacement of the valve core 222 and the valve shell 221, a pressure spring 226 is arranged between the valve core 222 and the valve shell 221, and the pressure spring 226 is configured to drive the valve core 222 to slide relative to the valve shell 221 to align the through hole 225 with the first port 223 and the second port 224 when the locking pin 23 is withdrawn from the first locking hole and the second locking hole; the locking pin 23 is suspended below the stop valve 22, a limiting portion which is mutually blocked and connected is arranged between the weight 31 and the locking pin 23, and when the weight 31 falls, the locking pin 23 can be driven to be drawn out from the first locking hole and the second locking hole under the action of the limiting portion.

Preferably, as shown in fig. 7 and 11, the limiting portion includes a pressing plate 311 fixedly connected to the weight 31, and a first flange 231 fixedly connected to the lower end of the locking pin 23, and the pressing plate 311 overhangs above the first flange 231; the locking pin 23 is further provided with a second flange 232, the second flange 232 is located above the pressing plate 311, and when the pulling rope 30 is not broken, the pressing plate 311 is in blocking contact with the second flange 232 to prevent the locking pin 23 from falling off.

Further, as shown in fig. 2, 3, 6, 9, 11-13, a pull rope posture adjusting mechanism 40 is disposed in the cabinet 10, and the pull rope posture adjusting mechanism 40 is configured to switch the pull rope 30 between the following two positions: a first station, wherein the traction rope 30 passes through the upper part of the installation area of the electric switch, so that the traction rope 30 can be quickly fused when the electric switch catches fire; and in the second working position, the pulling rope 30 moves a certain distance relative to the working position in a direction away from the cabinet door 11, so that the pulling rope 30 avoids the flat cable installation space of the electrical switch.

The posture adjusting mechanism can enable the traction rope 30 to avoid a winding displacement installation space above the electric switch in the wiring process, on one hand, the winding displacement installation is convenient, and on the other hand, the condition that the traction rope 30 is accidentally injured in the winding displacement installation process to cause the fire extinguishing device to be triggered by mistake can be avoided. In a specific application, the switch cabinet of the invention can adopt a uniform arched wiring mode, namely, a flat cable between an upper row of electric elements and a lower row of electric elements is arched towards the front side of the cabinet body 10, so that a space for the drawing rope 30 to shuttle is reserved behind the flat cable; after the flat cable is connected, the hauling rope posture adjusting mechanism 40 can transfer the hauling rope 30 to the upper part of an electrical element, and the electrical element is generally a part with higher probability of fire occurrence, especially a wiring part, so that the hauling rope 30 of the invention is transferred to the upper part of the electrical element and can be contacted with flame at the first time when the fire occurs, thereby triggering the fire extinguishing device.

Preferably, as shown in fig. 2, 3, 6, 9, and 11-13, the pull rope posture adjusting mechanism 40 includes a rotating shaft 41 disposed in the cabinet 10, an axial direction of the rotating shaft 41 is disposed along a width direction of the cabinet 10, the rotating shaft 41 is rotatably connected to the mounting bracket 12, two ends of the rotating shaft 41 are respectively provided with an overhanging portion 42 protruding along a radial direction of the rotating shaft 41, overhanging ends of the two overhanging portions 42 are respectively provided with a first guide wheel 43, roots of the two overhanging portions 42 are respectively provided with a second guide wheel 44, the pull rope 30 is tensioned between the two first guide wheels 43, and the pull rope 30 respectively bypasses the two second guide wheels 44 in a zigzag shape; the rotating shaft 41 is rotatably arranged between the following two stations: a station a, wherein the two overhanging parts 42 overhang to the side of the cabinet door 11 along the horizontal direction; a station b, wherein the two overhanging parts 42 overhang upwards along the vertical direction; when the rotating shaft 41 is located at the station a, the pulling rope 30 is located at the station one, and when the rotating shaft 41 is located at the station b, the pulling rope 30 is located at the station two.

Further, as shown in fig. 3, 6 and 9, a second linkage mechanism is disposed between the pull rope posture adjusting mechanism 40 and the cabinet door 11, and the second linkage mechanism is configured to drive the rotating shaft 41 at the station b to the station a when the cabinet door 11 is closed, and drive the rotating shaft 41 at the station a to the station b when the cabinet door 11 is opened.

Specifically, the second linkage mechanism comprises a swing arm 45 fixedly connected with the rotating shaft 41, a guide pin 46 is arranged at the end of the swing arm 45, a lifting plate 13 movably arranged along the vertical direction is arranged on the inner wall of one side of the box body, a horizontal waist-shaped hole 131 is arranged on the lifting plate 13, and the guide pin 46 is inserted in the horizontal waist-shaped hole 131 and forms sliding fit with the horizontal waist-shaped hole 131; a guide plate 132 is arranged on the lifting plate 13, and an inclined waist-shaped hole 133 is arranged on the guide plate 132; a push block 14 movably arranged along the front-rear direction of the cabinet body 10 is arranged on the inner wall of the cabinet body 10, a drive pin is arranged on the push block 14, and the drive pin is inserted into the inclined waist-shaped hole 133 and forms sliding fit with the inclined waist-shaped hole; the inner side of the cabinet door 11 is provided with an overhanging plate 15, a connecting rod 16 is arranged between the overhanging plate 15 and the push block 14, and two ends of the connecting rod 16 are respectively hinged with the overhanging plate 15 and the push block 14.

The linkage control between the traction rope posture adjusting mechanism 40 and the cabinet door 11 is realized by utilizing the second linkage mechanism, when the cabinet door 11 is opened, generally, the line in the cabinet body 10 needs to be repaired, at the moment, the second linkage mechanism drives the traction rope 30 to the second station, so that the traction rope 30 can avoid the overhaul space, and the equipment structure and the control flow are simplified by adopting the second linkage mechanism.

Preferably, as shown in fig. 10 to 13, at least two layers of installation spaces are arranged in the cabinet 10, a traction rope posture adjusting mechanism 40 is respectively arranged above each layer of installation support 12, one end of the traction rope 30 is connected with the side wall of the cabinet 10, and the other end of the traction rope 30 sequentially bypasses each traction rope posture adjusting mechanism 40 from bottom to top under the guidance of a plurality of guide wheels and is finally connected with the weight 31.

Further, a smoke sensor (not shown) is arranged in the cabinet body 10, and the smoke sensor is connected with an alarm. The two sides of the cabinet body 10 and the upper end of the cabinet body 10 are provided with heat dissipation ports, wherein the heat dissipation ports at the upper end of the cabinet body 10 are provided with exhaust fans.

The specific working principle of the invention is as follows:

when the cabinet door 11 is opened, all the mechanisms are in the states shown in fig. 1-13, and the traction rope 30 is not positioned above the electric switch at the moment, so that the wiring operation is convenient; when the cabinet door 11 is closed, the cabinet door 11 pushes the push block 14 to slide towards the rear of the cabinet body 10 through the overhanging plate 15 and the connecting rod 16; the pushing block 14 pushes the lifting plate 13 to move upwards through the driving pin and the inclined waist-shaped hole 133, the lifting plate 13 drives the swing arm 45 and the rotating shaft 41 to rotate through the horizontal waist-shaped hole 131 and the guide pin 46, so that the suspension part 42 swings from a vertical state to a horizontal state shown by a dotted line in fig. 9, and at the moment, the traction rope 30 is suspended above the electric switch, so that the occurrence of fire can be sensed quickly.

In conclusion, the fire extinguishing device disclosed by the invention identifies the fire by adopting a pure mechanical mode, can reliably trigger the fire extinguishing device to start when the fire breaks out, is not influenced by the on-off of power, can effectively play a role in preventing and reducing the fire even if the power is interrupted, and provides guarantee for safe industrial production.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The utility model provides an intelligence fire control cubical switchboard with fire alarm early warning and function of putting out a fire which characterized in that includes:

a cabinet body (10);

the cabinet door (11) is positioned at the front end of the cabinet body (10) and is connected with the cabinet body (10) through a hinge;

the mounting bracket (12) is positioned in the cabinet body (10) and is used for mounting an electrical switch;

the fire extinguishing agent storage tank (20) is arranged on the inner side or the outer side of the cabinet body (10);

the fire extinguishing agent nozzle (21) is mounted at the top of the cabinet body (10), the fire extinguishing agent nozzle (21) is connected with the fire extinguishing agent storage tank (20) through a pipeline, and a stop valve (22) is arranged on the pipeline;

trigger device, including haulage rope (30) and pouring weight (31), haulage rope (30) are arranged in cabinet body (10), haulage rope (30) are made by combustible material, haulage rope (30) through a plurality of guide pulleys with pouring weight (31) are connected, pouring weight (31) by haulage rope (30) pull and be in the state of dangling, and work as can make pouring weight (31) fall when haulage rope (30) fracture, pouring weight (31) with be equipped with first link gear between stop valve (22), first link gear is assembled to work as can make when pouring weight (31) fall be in the closed condition stop valve (22) switch to the open mode.

2. The intelligent fire switch cabinet with fire warning and extinguishing functions according to claim 1, wherein the stop valve (22) comprises a valve housing (221) and a valve core (222), the valve core (222) is slidably disposed in the valve housing (221), a first interface (223) and a second interface (224) are disposed on the valve housing (221), the first interface (223) is connected to the fire extinguishing agent storage tank (20), the second interface (224) is connected to the fire extinguishing agent nozzle (21), a through hole (225) is disposed on the valve core (222), and when the valve core (222) moves in the valve housing (221), the through hole (225) can be aligned with or misaligned with the first interface (223) and the second interface (224) to open or close the stop valve (22); the first linkage mechanism comprises a first locking hole arranged on the valve core (222), a second locking hole arranged on the valve shell (221) and a locking pin (23), when the via (225) is misaligned with the first interface (223) and the second interface (224), the first and second lock holes being aligned, the lock pin (23) being inserted into the first and second lock holes to restrict relative displacement of the valve spool (222) and the valve housing (221), a pressure spring (226) is arranged between the valve core (222) and the valve shell (221), the compression spring (226) is configured to be released when the lock pin (23) is withdrawn from the first lock hole and the second lock hole, the pressure spring (226) can drive the valve core (222) to slide relative to a valve casing (221) so that the through hole (225) is aligned with the first interface (223) and the second interface (224); the locking pin (23) is suspended below the stop valve (22), a limiting part which is mutually blocked and connected is arranged between the weight block (31) and the locking pin (23), and when the weight block (31) falls, the locking pin (23) can be driven to be drawn out from the first locking hole and the second locking hole under the action of the limiting part.

3. The intelligent fire switch cabinet with the fire warning and extinguishing functions according to claim 2, wherein the limiting part comprises a pressure plate (311) fixedly connected with the weight (31) and a first flange (231) fixedly connected with the lower end of the locking pin (23), and the pressure plate (311) is suspended above the first flange (231); the locking pin (23) is further provided with a second flange (232), the second flange (232) is located above the pressing plate (311), and when the traction rope (30) is not broken, the pressing plate (311) is in blocking connection with the second flange (232) so as to prevent the locking pin (23) from falling off.

4. The intelligent fire switch cabinet with fire warning and extinguishing functions according to claim 1, wherein a haulage rope posture adjusting mechanism (40) is arranged in the cabinet body (10), and the haulage rope posture adjusting mechanism (40) is assembled to enable the haulage rope (30) to be switched between the following two stations:

a first station, wherein the traction rope (30) passes through the upper part of the installation area of the electric switch, so that the traction rope (30) can be rapidly fused when the electric switch catches fire;

and a second station, wherein the traction rope (30) moves a distance relative to the second station in a direction far away from the cabinet door (11), so that the traction rope (30) avoids a flat cable installation space of the electrical switch.

5. The intelligent fire-fighting switch cabinet with the fire warning and extinguishing functions according to claim 4, wherein the pull rope posture adjusting mechanism (40) comprises a rotating shaft (41) arranged in the cabinet body (10), the axial direction of the rotating shaft (41) is arranged along the width direction of the cabinet body (10), the rotating shaft (41) is rotatably connected with the mounting bracket (12), two ends of the rotating shaft (41) are respectively provided with an overhanging part (42) which radially protrudes along the rotating shaft (41), the overhanging ends of the two overhanging parts (42) are respectively provided with a first guide wheel (43), the roots of the two overhanging parts (42) are respectively provided with a second guide wheel (44), the pull rope (30) is tensioned between the two first guide wheels (43), and the pull rope (30) respectively bypasses the two second guide wheels (44) in a Z shape; the rotating shaft (41) is rotatably arranged between the following two stations:

the two overhanging parts (42) are overhung to the side where the cabinet door (11) is located along the horizontal direction;

the two overhanging parts (42) overhang upwards along the vertical direction;

when the rotating shaft (41) is located at the station a, the traction rope (30) is located at the station I, and when the rotating shaft (41) is located at the station b, the traction rope (30) is located at the station II.

6. The intelligent fire switch cabinet with fire warning and extinguishing functions according to claim 5, wherein a second linkage mechanism is arranged between the haulage rope posture adjusting mechanism (40) and the cabinet door (11), and the second linkage mechanism is assembled to drive the rotating shaft (41) at the station b to the station a when the cabinet door (11) is closed and drive the rotating shaft (41) at the station a to the station b when the cabinet door (11) is opened.

7. The intelligent fire-fighting switch cabinet with the fire warning and extinguishing functions according to claim 6, wherein the second linkage mechanism comprises a swing arm (45) fixedly connected with the rotating shaft (41), a guide pin (46) is arranged at the end of the swing arm (45), a lifting plate (13) movably arranged along the vertical direction is arranged on the inner wall of one side of the box body, a horizontal waist-shaped hole (131) is arranged on the lifting plate (13), and the guide pin (46) is inserted into the horizontal waist-shaped hole (131) and forms a sliding fit with the horizontal waist-shaped hole; a guide plate (132) is arranged on the lifting plate (13), and an inclined waist-shaped hole (133) is formed in the guide plate (132); the inner wall of the cabinet body (10) is provided with a push block (14) which is movably arranged along the front and back direction of the cabinet body (10), the push block (14) is provided with a driving pin, and the driving pin is inserted into the inclined waist-shaped hole (133) and forms sliding fit with the inclined waist-shaped hole; the inner side of the cabinet door (11) is provided with an overhanging plate (15), a connecting rod (16) is arranged between the overhanging plate (15) and the push block (14), and two ends of the connecting rod (16) are respectively hinged with the overhanging plate (15) and the push block (14).

8. The intelligent fire-fighting switch cabinet with the fire warning and extinguishing functions according to claim 4, wherein at least two layers of installation spaces are arranged in the cabinet body (10), a traction rope posture adjusting mechanism (40) is arranged above each layer of installation support (12), one end of the traction rope (30) is connected with the side wall of the cabinet body (10), and the other end of the traction rope (30) sequentially bypasses each traction rope posture adjusting mechanism (40) from bottom to top under the guide of a plurality of guide wheels and is finally connected with the weight (31).

9. The intelligent fire-fighting switch cabinet with the functions of fire warning and fire extinguishing according to claim 1, wherein a smoke sensor is arranged in the cabinet body (10), and the smoke sensor is connected with an alarm.

10. The intelligent fire-fighting switch cabinet with the fire warning and extinguishing functions according to claim 1, wherein heat dissipating ports are formed on two sides of the cabinet body (10) and the upper end of the cabinet body (10), and an exhaust fan is arranged on the heat dissipating port at the upper end of the cabinet body (10).