CN113134183A - Automatic fire extinguishing equipment and itinerant monitoring automatic fire extinguishing system for transformer substation - Google Patents

Abstract

The invention discloses automatic fire extinguishing equipment for a transformer substation, and relates to the technical field of fire fighting equipment. The equipment comprises an intelligent moving trolley capable of planning a motion trail and a fire extinguishing device arranged on the moving trolley, wherein an infrared temperature probe for detecting temperature is arranged on the moving trolley or the fire extinguishing device. The automatic fire extinguishing equipment can be used for carrying out itinerant monitoring on the transformer substation. The invention also discloses a substation itinerant monitoring automatic fire extinguishing system applying the automatic fire extinguishing equipment, which comprises a fan and the automatic fire extinguishing equipment, wherein the internal space of the substation is divided into a plurality of monitoring areas, the main pipeline of the fan is provided with exhaust pipes which correspond to the monitoring areas one by one, the maintenance structure of the substation is provided with exhaust outlets which correspond to the monitoring areas one by one, and the exhaust outlets are internally provided with first smoke sensors. The system can carry out secondary detection on a specific area which sends a signal, and can position a fire source in time to carry out fire extinguishing treatment.

Description

Automatic fire extinguishing equipment and itinerant monitoring automatic fire extinguishing system for transformer substation

Technical Field

The invention relates to the technical field of fire-fighting equipment, in particular to fire-extinguishing equipment for a transformer substation and a circuit monitoring automatic fire-extinguishing system applying the fire-extinguishing equipment.

Background

The transformer substation is a gathering point of power transmission and distribution in a power system, plays roles of converting voltage, receiving and distributing electric energy, controlling power flow direction and adjusting voltage, a large amount of combustible substances are arranged in equipment in the transformer substation, such as insulating oil and insulating paperboards in a transformer (a reactor and a capacitor), an outer insulating sheath of a power cable, various components in an electrical cabinet and the like, and the transformer serving as core primary equipment mostly adopts an oil-immersed natural cooling type, so that the oil consumption is large, the fire hazard is great, the outer sheath of the power cable is the largest fire hazard point, because the density of cables laid in the transformer substation is high, the operation and maintenance are difficult, and the cables are distributed in areas such as cable ditches, bridges, vertical shafts, interlayers and the like with poor environment, the probability of fire is high, once the outer insulating layer of the outer sheath of the power cable is ignited, the cables can spread and burn along the cables, the cross-regional spread causes accidents. In addition, because the cable terminal joint in the regulator cubicle is the weak point of safety, and various electrical component shells in the cabinet are plastic products, have the conflagration hidden danger, in case of the conflagration takes place in the transformer substation, then seriously endanger power supply reliability, then probably cause the electric wire netting to collapse, its danger is big, the loss is big, and the consequence is very serious.

In the existing fire fighting equipment for the transformer substation, the fire fighting equipment is basically fixed, the detection equipment for detecting a fire point is also fixed, and when a fire breaks out, an ignition source cannot be positioned and processed at the first time, so that the fire spreads.

Disclosure of Invention

Aiming at the problems, the invention provides an automatic fire extinguishing device for a transformer substation and a tour monitoring automatic fire extinguishing system.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an automatic fire extinguishing device for a transformer substation comprises a movable trolley and a fire extinguishing device arranged on the movable trolley;

the fire extinguishing device comprises a main box body, a lifting frame is arranged in the main box body in a sliding mode, and a first driving mechanism used for driving the lifting frame to move up and down is arranged between the lifting frame and the main box body;

a fire extinguisher mounting rack is arranged above the lifting rack, the lower end of the fire extinguisher mounting rack is rotatably connected with the lifting rack through a bearing assembly, and a second motor for driving the fire extinguisher mounting rack to swing left and right is arranged between the fire extinguisher mounting rack and the lifting rack;

the fire extinguisher installation frame is internally provided with a fire extinguisher, and an opening mechanism for opening a switch of the fire extinguisher is arranged between the fire extinguisher installation frame and the fire extinguisher.

Further, the main tank in be provided with first deflector, the crane including be located respectively the bearing board and the push pedal of first deflector upper and lower both sides, just the left and right both ends of push pedal respectively through the guide post with the bearing board link to each other, the fire extinguisher mounting bracket pass through the bearing subassembly with the bearing board rotate and connect, fire extinguisher mounting bracket and push pedal between be provided with the connecting axle, the lower extreme of connecting axle pass through the bearing subassembly with the push pedal rotate and connect, the upper end of push pedal with fire extinguisher mounting bracket fixed connection, the second motor set up in the push pedal on, just the power output shaft of second motor with the connecting axle link to each other.

Furthermore, the first driving mechanism comprises two sliding plates which are arranged in a bilateral symmetry mode, the sliding plates are connected with the main box body in a sliding mode, a supporting rod is arranged on each sliding plate, one end of each supporting rod is hinged to the corresponding sliding plate, the other end of each supporting rod is hinged to the corresponding push plate, a first lead screw which is connected with the main box body in a rotating mode is arranged below each sliding plate, a first screw matched with the first lead screw is arranged on each sliding plate, and the first lead screw is connected with a power output shaft of the first motor.

Furthermore, an inserting cylinder used for containing the upper end part of the guide post is fixedly arranged on the bottom surface of the bearing plate, and a set screw is arranged between the inserting cylinder and the guide post.

Further, the fire extinguisher mounting bracket in be provided with a swing span, just the swing span front end with the fire extinguisher mounting bracket rotate and connect, opening mechanism and fire extinguisher fixed set up in the swing span on, the fire extinguisher mounting bracket on lie in the rear side of swing span is provided with the slip and is provided with the drive block, drive block and fire extinguisher mounting bracket between be provided with and be used for the drive the second actuating mechanism that the drive block reciprocated, the front end of drive block with the swing span slip articulated.

Further, the swing span include the web, the left and right both ends of web are provided with the pterygoid lamina respectively, the swing span internal rotation be provided with the third lead screw, just the one end of third lead screw with fixed set up in the power output shaft of the fourth motor on the swing span links to each other, the third lead screw on be provided with two third screw, just the third screw with swing span sliding connection, the third screw on fixedly be provided with the connecting rod, the free end of connecting rod is fixed to be provided with and is used for pressing from both sides the pinch-off blades of tight fire extinguisher.

Furthermore, a second guide plate is arranged between the two wing plates and positioned on the front side of the third screw rod, and a guide groove matched with the connecting rod is formed in the second guide plate.

Furthermore, the swing frame is fixedly provided with an L-shaped supporting plate, the horizontal part of the supporting plate is provided with a second groove for accommodating the lower end part of the fire extinguisher, and the ground of the second groove is provided with a pressure sensor.

Furthermore, the opening mechanism is an electric push rod, a cylinder body of the electric push rod is fixedly connected with the swing frame, a pressing plate is fixedly arranged at the rod end of the electric push rod, and the suspended end of the pressing plate extends to the position above the fire extinguisher switch.

A patrol monitoring automatic fire extinguishing system for a transformer substation comprises a fan and automatic fire extinguishing equipment, wherein an air inlet of the fan is communicated with the external atmosphere, a main pipeline connected with an air outlet of the fan is arranged in the transformer substation, the internal space of the transformer substation is divided into a plurality of monitoring areas, exhaust pipes which are in one-to-one correspondence with the monitoring areas are arranged on the main pipeline, air outlets which are in one-to-one correspondence with the monitoring areas are arranged on a maintenance structure of the transformer substation, first smoke sensors are arranged in the air outlets, and wireless signal transmitting modules are arranged in the first smoke sensors;

when the first smoke sensor does not send a signal, the movable trolley carries out conventional itinerant monitoring according to a monitoring track preset by the processor;

and when the first smoke sensor sends a signal, the movable trolley stops conventional itinerant monitoring, and controls the movable trolley to detect a monitoring area corresponding to the first smoke sensor which sends the signal according to the received signal.

The invention has the beneficial effects that:

1. according to the invention, the first smoke sensor on the air outlet is used for primarily detecting a fire disaster, and the moving trolley is controlled to secondarily detect a specific area under the action of the processor, so that when the fire disaster occurs, the fire position can be quickly and timely found, the fire position is accurately positioned, and quick and effective fire extinguishing is ensured.

2. According to the invention, the fire position is detected through the infrared temperature sensor, so that the corresponding height and angle adjustment is carried out on the fire extinguisher, then the fire extinguishing treatment is carried out on the fire position, the fire extinguishing is more accurate, and the fire extinguishing effect is ensured.

3. The fire extinguisher of the fire extinguishing device can not only move up and down, but also swing left and right and up and down, thereby enlarging the fire extinguishing range and ensuring the fire extinguishing effect.

Drawings

FIG. 1 is a first perspective view of an automatic fire extinguishing apparatus;

FIG. 2 is a schematic perspective view of an automatic fire extinguishing apparatus;

FIG. 3 is a front view of the fire suppression apparatus;

FIG. 4 is a left side view of the fire suppression apparatus;

FIG. 5 is a sectional view taken along line A-A of FIG. 3;

FIG. 6 is an enlarged schematic view of portion A of FIG. 5;

FIG. 7 is an enlarged view of portion B of FIG. 5;

FIG. 8 is an enlarged view of the portion C of FIG. 5;

FIG. 9 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 10 is a cross-sectional view taken at C-C of FIG. 4;

FIG. 11 is an exploded view of the fire suppression apparatus (with the main housing removed);

FIG. 12 is a perspective view of a jacking portion of the fire extinguishing apparatus;

FIG. 13 is a perspective view of the support plate;

FIG. 14 is a schematic view of the installation structure of the fire extinguisher;

FIG. 15 is a schematic view of the fire extinguisher swinging downward;

FIG. 16 is a schematic view of the fire extinguisher swinging upwardly;

FIG. 17 is a perspective view of the swing frame;

FIG. 18 is a perspective view of a driving block;

FIG. 19 is a perspective view of a clamp member for clamping a fire extinguisher;

FIG. 20 is a schematic diagram of a transformer substation area division and exhaust duct arrangement structure;

fig. 21 is a schematic structural view of a fire extinguishing apparatus according to a second embodiment.

In the figure: 1-a transformer substation, 11-an air outlet,

2-a fan, 21-a main pipeline, 22-an exhaust pipe,

3-a moving trolley, 31-an infrared temperature probe,

4-fire extinguishing device, 41-main box body, 411-first guide plate, 4111-guide sleeve, 412-first mounting plate, 4121-avoidance hole, 413-second alarm, 414-second smoke sensor, 42-lifting frame, 421-supporting plate, 4211-first groove, 4212-third through hole, 4213-plug cylinder, 4214-arc plate, 422-push plate, 4221-first hinge shaft, 423-guide column, 431-sliding plate, 4311-first nut, 432-linear guide rail pair, 433-supporting rod, 434-first screw rod, 435-first motor, 4361-first driven pulley, 4362-first driving pulley, 4363-first synchronous belt, 4371-synchronous pulley, 4372-driving belt, 44-fire extinguisher mounting frame, 441-rotating shaft, 442-connecting shaft, 4421-connecting plate, 4422-reinforcing rib, 45-second motor, 46-fire extinguisher, 47-electric push rod, 471-pressing plate, 481-swing frame, 4811-web plate, 4812-wing plate, 4813-third hinge shaft, 4814-ear plate, 4815-second mounting plate, 4816-driving shaft, 4817-second guide plate, 4818-reinforcing plate, 4819-supporting plate, 482-driving block, 4821-sliding groove, 483-second screw rod, 484-third motor, 4851-second driven pulley, 4852-second driving pulley, 4853-second synchronous belt, 486-guide rod, 487-third screw rod, 4871-driven gear, 488-fourth motor, 4881-driving gear, 489-third screw nut, 4891-connecting rod, 4892-clamping plate.

Detailed Description

Example one

For convenience of description, a coordinate system is defined as shown in fig. 1, and the left-right direction is taken as a transverse direction, the front-back direction is taken as a longitudinal direction, and the up-down direction is taken as a vertical direction.

As shown in fig. 1 and 2, an automatic fire extinguishing apparatus for a substation 1 includes an intelligent moving vehicle 3 capable of planning a movement track and a fire extinguishing device 4 disposed on the moving vehicle 3. The moving trolley 3 or the fire extinguishing device 4 is provided with an infrared temperature probe 31 for detecting temperature.

As a specific implementation manner, the moving trolley 3 in this embodiment is an AGV trolley, and the infrared temperature probe 31 is disposed on the moving trolley 3.

As shown in fig. 3 and 4, the fire extinguishing apparatus 4 includes a main casing 41 with a rectangular parallelepiped structure and an open front, a lifting frame 42 is slidably disposed in the main casing 41, and the lifting frame 42 can slide up and down relative to the main casing 41. A first driving mechanism for driving the lifting frame 42 to move up and down is arranged between the lifting frame 42 and the main box body 41. A fire extinguisher mounting bracket 44 for mounting a fire extinguisher 46 is arranged above the lifting bracket 42, and the lower end of the fire extinguisher mounting bracket 44 is rotatably connected with the lifting bracket 42 through a bearing assembly. A second motor 45 for driving the fire extinguisher mounting bracket 44 to swing left and right is arranged between the fire extinguisher mounting bracket 44 and the lifting bracket 42. A fire extinguisher 46 is arranged in the fire extinguisher mounting bracket 44, and an opening mechanism for opening a switch of the fire extinguisher 46 is arranged between the fire extinguisher mounting bracket 44 and the fire extinguisher 46. As a specific implementation manner, the opening mechanism in this embodiment is an electric push rod 47, and a rod end of the electric push rod 47 is fixedly provided with a pressing plate 471 for pressing the opening switch of the fire extinguisher 46 downward.

As shown in fig. 10, 11 and 12, a first guide plate 411 is disposed in the main box 41, and left and right ends of the first guide plate 411 are respectively fixedly connected to a side wall of the main box 41 through screws. The lifting frame 42 includes a supporting plate 421 and a pushing plate 422 respectively located at the upper and lower sides of the first guiding plate 411. The left and right ends of the push plate 422 are respectively and fixedly provided with a guide column 423 extending upwards along the vertical direction, and the upper end of the guide column 423 penetrates through the first guide plate 411 and is then fixedly connected with the supporting plate 421. The first guide plate 411 is provided with a first through hole for accommodating the guide column 423, and a guide sleeve 4111 matched with the guide column 423 is arranged in the first through hole.

A rotating shaft 441 is arranged on the lower side surface of the fire extinguisher mounting frame 44, and the rotating shaft 441 is rotatably connected with the supporting plate 421 through a thrust ball bearing. A connecting shaft 442 extending downward in the vertical direction is fixedly disposed on the lower end surface of the rotating shaft 441, and the lower end of the connecting shaft 442 passes through the first guide plate 411 and is rotatably connected to the push plate 422 through a bearing assembly. The first guide plate 411 is provided with a second through hole for accommodating the connecting shaft 442.

As a specific embodiment, as shown in fig. 5 and 8, in this embodiment, a circular first groove 4211 is formed on an upper side surface of the support plate 421, and a third through hole 4212 for receiving the connecting shaft 442 is formed on a bottom surface of the first groove 4211. The outer cylindrical surface of the race of the thrust ball bearing is pressed against the cylindrical side surface of the first groove 4211 in an interference fit manner, and is fixedly connected with the bearing plate 421. The inner cylindrical surface of the shaft ring of the thrust ball bearing is pressed on the cylindrical side surface of the rotating shaft 441 in an interference fit manner and is fixedly connected with the rotating shaft 441.

Further, for convenience of installation and disassembly, as shown in fig. 13, the support plate 421 is circular, an insertion cylinder 4213 for accommodating an upper end of the guide column 423 is fixedly arranged on a bottom surface of the support plate 421, an upper end of the insertion cylinder 4213 is fixedly connected with the support plate 421 in a welding manner, and an upper end of the guide column 423 is inserted into the insertion cylinder 4213. The insertion cylinder 4213 is provided with a set screw (not shown) for tightly pushing the guide column 423.

Further, in order to increase the structural rigidity of the support plate 421, as shown in fig. 13, a ring-shaped rib plate is provided on the lower side surface of the support plate 421. Preferably, the rib plate comprises two arc plates 4214 which are symmetrically arranged, two ends of each arc plate 4214 are fixedly connected with the corresponding insertion cylinder 4213 in a welding manner, and the upper end of each arc plate 4214 is fixedly connected with the corresponding support plate 421 in a welding manner.

Further, as shown in fig. 10 and 11, a circular connecting plate 4421 is fixedly disposed at an upper end of the connecting shaft 442, and the connecting plate 4421 is fixedly connected to a lower end surface of the rotating shaft 441 by a screw. A plurality of reinforcing ribs 4422 are uniformly arranged between the connecting plate 4421 and the connecting shaft 442 along the circumferential direction.

As shown in fig. 5 and 6, the second motor 45 is disposed on the lower side of the push plate 422, the second motor 45 is a hollow shaft motor, and the lower end of the connecting shaft 442 passes through the push plate 422 and then is inserted into the hollow shaft of the second motor 45.

As shown in fig. 5, 10, 11 and 12, the first driving mechanism includes two sliding plates 431 disposed below the lifting frame 42 and symmetrically left and right. The front and rear ends of the sliding plate 431 are slidably connected to the main housing 41 through linear guide pairs 432, respectively, and the sliding plate 431 is slidable left and right with respect to the main housing 41. The slide plate 431 is provided with support rods 433 respectively at the front and rear sides of the push plate 422, and the middle parts of the front and rear sides of the push plate 422 are provided with first hinge shafts 4221. One end of the support rod 433 is hinged to the sliding plate 431 through a second hinge shaft, and the other end of the support rod 433 is hinged to a first hinge shaft 4221 arranged on the push plate 422. A first lead screw 434 extending in the left-right direction is arranged below the sliding plate 431, and the left end and the right end of the first lead screw 434 are respectively rotatably connected with the main box 41 through bearing assemblies. The middle of the lower side of the sliding plate 431 is provided with a first screw 4311 matched with the first screw 434. One end of the first lead screw 434 is connected with a power output shaft of the first motor 435 through a first transmission mechanism.

As a specific implementation manner, in this embodiment, the left end of the first lead screw 434 extends to the left side of the main box 41 through the left side wall of the main box 41. The left end of the first lead screw 434 is located outside the main box 41 and is provided with a first driven pulley 4361. The first motor 435 is disposed inside the main box 41 and fixedly connected to the left side wall of the main box 41, and a power output shaft of the first motor 435 passes through the left side wall of the main box 41 and extends to the outside of the main box 41. A first driving pulley 4362 is fixedly arranged on the power output shaft of the first motor 435 and outside the main box 41. The first driving pulley 4362 is connected to the first driven pulley 4361 via a first timing belt 4363.

In a specific embodiment, a U-shaped first mounting plate 412 with a cross section facing downward is fixedly disposed on a bottom surface of the main box 41, and the first mounting plate 412 and the main box 41 together form a closed space. The sliding plate 431 is disposed on the upper side surface of the first mounting plate 412 and actively connected to the first mounting plate 412 through a linear guide pair 432. The first lead screw 434 is located in the closed space formed by the first mounting plate 412 and the main case 41. An avoiding hole 4121 for accommodating the first nut 4311 is formed in the upper side surface of the first mounting plate 412, and the lower end of the first nut 4311 is matched with the first lead screw 434 after passing through the avoiding hole 4121.

Further, in order to increase the fire extinguishing range of the fire extinguisher 46, as shown in fig. 1, the fire extinguisher mounting bracket 44 is a rectangular parallelepiped box with an open front side, and a swing frame 481 is disposed in the fire extinguisher mounting bracket 44.

As shown in fig. 17, the swing frame 481 includes a web 4811, the left and right ends of the web 4811 are respectively provided with a wing 4812 extending forward, the web 4811 and the wing 4812 together form a U-shaped structure with an opening facing forward, and the fire extinguisher 46 is disposed in the swing frame 481 and is fixedly connected to the swing frame 481. The electric push rod 47 is arranged on the swing frame 481, namely, a cylinder body of the electric push rod 47 is fixedly connected with the swing frame 481, a pressing plate 471 fixedly arranged at the rod end of the electric push rod 47 is positioned above an opening switch of the fire extinguisher 46, and when the electric push rod 47 retracts downwards, the pressing plate 471 presses the opening switch of the fire extinguisher 46 to open the fire extinguisher 46. The front end of the lateral surface of pterygoid lamina 4812 (the relative one side of using two pterygoid laminas 4812 is the outside) is provided with third hinge 4813, all be provided with on the left side wall of fire extinguisher mounting bracket 44 and the right side wall with third hinge 4813 matched with hinge hole. The swing rack 481 is hinged to the fire extinguisher mounting bracket 44 through a third hinge shaft 4813, and the swing rack 481 can rotate around the third hinge shaft 4813.

As shown in fig. 14, a driving block 482 capable of sliding up and down with respect to the fire extinguisher mounting bracket 44 is disposed at the rear side of the swing bracket 481 in the fire extinguisher mounting bracket 44, and a second driving mechanism for driving the driving block 482 to move up and down is disposed between the driving block 482 and the fire extinguisher mounting bracket 44. The front end of the driving block 482 is slidably hinged to the swing frame 481.

As a specific implementation manner, as shown in fig. 10, 11 and 14, the second driving structure in this embodiment includes a second screw rod 483 extending in a vertical direction, and upper and lower ends of the second screw rod 483 are rotatably connected to the fire extinguisher mounting bracket 44 through bearing assemblies, respectively, and the driving block 482 is provided with a threaded hole matching with the second screw rod 483. The upper end of the second screw rod 483 is connected with a power output shaft of a third motor 484 through a second transmission mechanism. Preferably, the upper end of the second lead screw 483 extends to the upper side of the fire extinguisher mounting bracket 44 through the upper side wall of the fire extinguisher mounting bracket 44, the third motor 484 is fixedly arranged on the lower side surface of the upper side wall of the fire extinguisher mounting bracket 44, and the power output shaft of the third motor 484 extends to the upper side of the fire extinguisher mounting bracket 44 through the upper side wall of the fire extinguisher mounting bracket 44. A second driven pulley 4851 is fixedly arranged on the second screw rod 483 above the fire extinguisher mounting bracket 44, a second driving pulley 4852 is fixedly arranged on the power output shaft of the third motor 484 above the fire extinguisher mounting bracket 44, and the second driving pulley 4852 is connected with the second driven pulley 4851 through a second synchronous belt 4853.

As a specific implementation manner, as shown in fig. 14, in this embodiment, guide rods 486 are respectively disposed on the left and right sides of the second lead screw 483 on the rear side wall of the fire extinguisher mounting bracket 44, and the upper and lower ends of the guide rods 486 are respectively fixedly connected to the fire extinguisher mounting bracket 44. The driving block 482 is provided with a guide hole matched with the guide rod 486.

As a specific embodiment, as shown in fig. 18, in the present embodiment, a sliding groove 4821 having an oblong cross-section and penetrating through the driving block 482 in the left-right direction is disposed at the front end of the driving block 482, a driving shaft 4816 is disposed in the sliding groove 4821, and the left end and the right end of the driving shaft 4816 are respectively connected to an ear plate 4814 fixedly disposed on the rear side surface of the swing frame 481. Preferably, both ends of the driving shaft 4816 are fixedly connected to the ear plates 4814, respectively. As shown in fig. 15 and 16, when the third motor 484 drives the second screw rod 483 to rotate, the driving block 482 is driven by the second screw rod 483 to slide up and down along the guide rod 486. The driving block 482 drives the swing frame 481 to swing up and down through the matching of the driving shaft 4816 and the driving block 482 in the process of sliding up and down.

As a specific implementation manner, as shown in fig. 9 and 17, in this embodiment, a third lead screw 487 is disposed between two of the wing plates 4812, the left and right ends of the third lead screw 487 are respectively and rotatably connected to the wing plates 4812 through bearing assemblies, and one end of the third lead screw 487 extends to the outside of the swing frame 481 through the wing plates 4812. A driven gear 4871 is fixedly arranged on the third lead screw 487 and positioned outside the swing frame 481, a second mounting plate 4815 extending backwards in the vertical direction is fixedly arranged on a web plate 4811 of the swing frame 481, a fourth motor 488 is fixedly arranged on the second mounting plate 4815, and a driving gear 4881 meshed with the driven gear 4871 is fixedly arranged on a power output shaft of the fourth motor 488.

As shown in fig. 9 and 19, two third nuts 489 are disposed on the third lead screw 487, and the third nuts 489 are slidably connected to the swing frame 481. The two third nuts 489 are driven by the third lead screw 487 to move in opposite directions or back to back. A connecting rod 4891 is fixedly arranged on the third screw 489, and an arc-shaped clamping plate 4892 used for clamping the fire extinguisher 46 is fixedly arranged at the suspended end of the connecting rod 4891. Preferably, the connecting rod 4891 is L-shaped.

Further, in order to simplify the structure and reduce the cost, as shown in fig. 17, a second guide plate 4817 is disposed between the two wing plates 4812 and located at the front side of the third screw 487, and the left and right ends of the second guide plate 4817 are fixedly connected to the wing plates 4812, respectively. The second guide plate 4817 is provided with a guide groove matched with the connecting rod 4891 and having an oblong hole shape, one end of the connecting rod 4891 is fixedly connected with the third screw 489, the other end of the connecting rod 4891 penetrates through the guide groove and then is fixedly connected with the clamping plate 4892, and the guide groove limits the degree of freedom of the connecting rod 4891 relative to the rotation of the third screw 487.

Further, reinforcing plates 4818 are disposed between the second guiding plate 4817 and the web plate 4811 on the upper and lower sides of the third screw 487, as shown in fig. 7, the web plate 4811, the wing plate 4812, the second guiding plate 4817 and the reinforcing plates 4818 together form a hollow rectangular parallelepiped structure. The electric push rod 47 is fixedly disposed on the reinforcement plate 4818 located at the upper side.

Further, as shown in fig. 14 and 17, an L-shaped supporting plate 4819 is provided on the lower side surface of the reinforcing plate 4818, the upper end of the vertical portion of the supporting plate 4819 is fixedly connected to the reinforcing plate 4818, and the horizontal portion of the supporting plate 4819 extends forward perpendicular to the vertical portion of the supporting plate 4819. A second groove for accommodating the lower end of the fire extinguisher 46 is formed in the horizontal portion of the support plate 4819, and a pressure sensor (not shown) for sensing the weight of the fire extinguisher 46 is formed on the ground of the second groove. When the fire suppression unit is in a patrol condition, the clamping plates 4892 are positioned on either side of the fire extinguisher 46 and do not clamp the fire extinguisher 46 so that the weight of the fire extinguisher 46 is carried by the support plate 4819 and the pressure sensor can detect the weight of the fire extinguisher 46 to determine if the fire extinguisher 46 needs to be replaced. When fire is to be extinguished, the fourth motor 488 is operated to clamp the fire extinguisher 46, so that when the fire extinguisher 46 is rotated up and down, the stability of the fire extinguisher 46 can be ensured and the fire extinguisher does not fall off.

Further, a first alarm (not shown in the figure) is arranged in the substation 1, and when the first smoke sensor detects smoke, the first alarm gives an alarm to prompt that fire is possible.

Further, a second alarm 413 is disposed on an upper side surface of the main box 41. When the pressure sensor detects that the weight of the fire extinguisher 46 is less than the set value, it indicates that the fire extinguisher 46 needs to be replaced, and the second alarm 413 gives an alarm to prompt that the fire extinguisher 46 needs to be replaced.

Further, a second smoke sensor 414 is disposed on an upper side surface of the main housing 41. In the secondary detection process, the second smoke sensor 414 and the infrared temperature probe 31 are matched to determine a specific ignition point, that is, when the smoke concentration value detected by the second smoke sensor 414 and the temperature value detected by the infrared temperature probe 31 reach set values at the same time, the ignition point can be determined, so that the accuracy of positioning the ignition point can be ensured.

The utility model provides a 1 of transformer substation is with circuit monitoring automatic fire extinguishing system, includes fan 2 and sets up the automatic fire extinguishing apparatus in 1 of transformer substation.

The specific structure of the automatic fire extinguishing apparatus has been described in detail above, and will not be described in detail herein.

The air inlet of the fan 2 is communicated with the outside atmosphere, the air outlet of the fan 2 is provided with a main pipeline 21, and the main pipeline 21 penetrates through the maintenance structure of the transformer substation 1 and extends to the inside of the transformer substation 1. Here, the maintenance structure includes a side wall and a roof enclosing an internal space of the substation 1, and the side wall and the roof may be steel structures or civil structures formed by concrete and tiles.

The inner space of the transformer substation 1 is divided into a plurality of monitoring areas, and the main pipeline 21 is provided with exhaust pipes 22 corresponding to the monitoring areas one to one, namely, each monitoring area is internally provided with an exhaust pipe 22 with an outlet facing the monitoring area. The maintenance structure of the transformer substation 1 is provided with air outlets 11 which are in one-to-one correspondence with the monitoring areas, and the air outlets 11 are communicated with the corresponding monitoring areas.

As a specific implementation manner, as shown in fig. 20, the internal space of the substation 1 in this embodiment is divided into eight monitoring areas, and the eight monitoring areas are arranged in a matrix with two rows and four columns. Trunk pipe 21 along the length direction of transformer substation 1 extends, just trunk pipe 21 be located between two lines of monitoring regions, promptly there are four monitoring regions respectively in the both sides of trunk pipe 21, and lie in four monitoring regions with one side along the length direction of transformer substation 1 is a word and arranges. The both sides of trunk line 21 are provided with four exhaust pipes 22 that radially extend to the outside respectively, just exhaust pipe 22 with trunk line 21 mutually perpendicular. The transformer substation 1 is provided with four air outlets 11 on two lateral walls in the width direction, and the projections of the air outlets 11 in the horizontal plane are aligned with the projections of the corresponding exhaust pipes 22 in the horizontal plane.

A first smoke sensor (not shown in the figure) is arranged in the air outlet 11, and a wireless signal transmitting module is arranged in the first smoke sensor.

During operation, external air is sucked into the air inlet through the fan 2 and is uniformly discharged into the transformer substation 1 under the action of the main pipeline 21 and the exhaust pipe 22, and air in the transformer substation 1 is discharged to the outside through the exhaust outlet 11. During the exhaust, the exhaust air is detected by the first smoke sensor on the exhaust outlet 11.

When the first smoke sensor does not detect smoke, the moving trolley 3 carries out routine itinerant monitoring according to a monitoring track preset by the processor.

When the first smoke sensor detects smoke, the first smoke sensor which detects the smoke sends a signal to the wireless signal receiving module on the movable trolley 3 through the wireless signal transmitting module, the wireless signal receiving module receives the signal and then transmits the signal to the processor, and the processor sends an instruction to finish conventional itinerant monitoring. After the moving trolley 3 stops moving, the processor sends out an instruction to control the moving trolley 3 to move to a monitoring area corresponding to the first smoke sensor which detects smoke, and secondary detection is carried out on the monitoring area. In the process of secondary detection, the fire extinguishing unit detects the alarm area through the infrared temperature probe 31, positions the ignition source through the mode of monitoring the temperature, and starts the extinguishing device 4 to put out a fire at a fixed point after detecting the ignition position.

Example two

As shown in fig. 21, the lifting frame 42 is a flat plate, the first driving mechanism includes first lead screws 434 respectively disposed at the left and right ends of the flat plate, and the flat plate is provided with threaded holes matched with the first lead screws 434. The upper and lower ends of the first lead screw 434 are rotatably connected to the main housing 41 through bearing assemblies, respectively. The upper end of the first lead screw 434 located at the left side extends to the upper side of the main case 41 through the upper side wall of the main case 41. A first motor 435 is fixedly arranged on the inner side surface of the upper side wall of the main box body 41, a power output shaft of the first motor 435 penetrates through the upper side wall of the main box body 41 and extends to the upper side of the main box body 41, and the power output shaft of the first motor 435 is connected with a first lead screw 434 located on the left side through a first transmission mechanism. The lower ends of the two first screw rods 434 are fixedly provided with synchronous belt pulleys 4371, and a transmission belt 4372 for driving the two first screw rods 434 to synchronously rotate is arranged between the two synchronous belt pulleys 4371.

Linear guide rails extending in the up-down direction are arranged on the front and rear sides of the first lead screw 434 on the inner side surfaces of the left side wall and the right side wall of the main box body 41, and sliders matched with the linear guide rails are arranged on the front and rear sides of the left end surface and the right end surface of the flat plate. The flat plate is slidably connected to the main box 41 through a linear guide rail pair 432.

The lower end of the fire extinguisher mounting bracket 44 is provided with a rotating shaft 441, the rotating shaft 441 is rotatably connected with the flat plate through a bearing assembly, and the lower end of the rotating shaft 441 penetrates through the flat plate and extends to the lower part of the flat plate. Be provided with on the downside of flat board and be used for the drive fire extinguisher mounting bracket 44 pivoted second motor 45, second motor 45 be the hollow shaft motor, just the lower extreme of pivot 441 inserts in the hollow shaft of second motor 45.

The rest of the structure is the same as the first embodiment.

Claims (10)

1. The utility model provides a transformer substation uses automatic fire extinguishing equipment which characterized in that: comprises a movable trolley and a fire extinguishing device arranged on the movable trolley;

the fire extinguishing device comprises a main box body, a lifting frame is arranged in the main box body in a sliding mode, and a first driving mechanism used for driving the lifting frame to move up and down is arranged between the lifting frame and the main box body;

a fire extinguisher mounting rack is arranged above the lifting rack, the lower end of the fire extinguisher mounting rack is rotatably connected with the lifting rack through a bearing assembly, and a second motor for driving the fire extinguisher mounting rack to swing left and right is arranged between the fire extinguisher mounting rack and the lifting rack;

the fire extinguisher installation frame is internally provided with a fire extinguisher, and an opening mechanism for opening a switch of the fire extinguisher is arranged between the fire extinguisher installation frame and the fire extinguisher.

2. The automatic fire extinguishing equipment for the transformer substation according to claim 1, characterized in that: the main tank in be provided with first deflector, the crane including be located respectively the bearing board and the push pedal of first deflector upper and lower both sides, just the left and right both ends of push pedal respectively through the guide post with the bearing board link to each other, the fire extinguisher mounting bracket pass through bearing assembly with the bearing board rotate and connect, fire extinguisher mounting bracket and push pedal between be provided with the connecting axle, the lower extreme of connecting axle pass through bearing assembly with the push pedal rotate and connect, the upper end of push pedal with fire extinguisher mounting bracket fixed connection, the second motor set up in the push pedal on, just the power output shaft of second motor with the connecting axle link to each other.

3. The automatic fire extinguishing equipment for the transformer substation according to claim 2, characterized in that: the first driving mechanism comprises two sliding plates which are arranged in a bilateral symmetry mode, the sliding plates are connected with the main box body in a sliding mode, a supporting rod is arranged on each sliding plate, one end of each supporting rod is hinged to the corresponding sliding plate, the other end of each supporting rod is hinged to the corresponding push plate, a first lead screw which is used for rotating the main box body to achieve a standard grade is arranged below each sliding plate, a first lead screw matched with the first lead screw is arranged on each sliding plate, and the first lead screw is connected with a power output shaft of a first motor.

4. The automatic fire extinguishing equipment for the transformer substation according to claim 2, characterized in that: the bottom surface of the bearing plate is fixedly provided with an inserting cylinder used for containing the upper end part of the guide post, and a set screw is arranged between the inserting cylinder and the guide post.

5. The automatic fire extinguishing equipment for the transformer substation according to claim 1, characterized in that: fire extinguisher mounting bracket in be provided with a swing span, just the swing span front end with fire extinguisher mounting bracket rotate to be connected, opening mechanism and fire extinguisher fixed set up in the swing span on, fire extinguisher mounting bracket on lie in the rear side of swing span is provided with the slip and is provided with the drive block, drive block and fire extinguisher mounting bracket between be provided with and be used for the drive the second actuating mechanism that the drive block reciprocated, the front end of drive block with the swing span slip articulated.

6. The automatic fire extinguishing equipment for the transformer substation according to claim 5, characterized in that: the swing span include the web, the left and right both ends of web are provided with the pterygoid lamina respectively, the swing span internal rotation be provided with the third lead screw, just the one end of third lead screw with fixed set up in the power output shaft of the fourth motor on the swing span links to each other, the third lead screw on be provided with two third screws, just the third screw with swing span sliding connection, the third screw on the fixed connecting rod that is provided with, the free end of connecting rod is fixed to be provided with and is used for pressing from both sides tightly the pinch-off blades of fire extinguisher.

7. The automatic fire extinguishing equipment for the transformer substation according to claim 6, characterized in that: and a second guide plate is arranged between the two wing plates and positioned on the front side of the third screw rod, and a guide groove matched with the connecting rod is formed in the second guide plate.

8. The automatic fire extinguishing equipment for the transformer substation according to claim 6, characterized in that: the swing frame on be fixed with one and be L type layer board, the horizontal part of layer board is provided with and is used for holding the second recess of fire extinguisher lower tip, just the subaerial pressure sensor that is provided with of second recess.

9. The automatic fire extinguishing equipment for the transformer substation according to claim 6, characterized in that: the opening mechanism is an electric push rod, a cylinder body of the electric push rod is fixedly connected with the swing frame, a pressing plate is fixedly arranged at the rod end of the electric push rod, and the suspended end of the pressing plate extends to the position above the fire extinguisher switch.

10. A circuit monitoring automatic fire extinguishing system for a substation using the automatic fire extinguishing apparatus according to claims 1 to 9, characterized in that: the transformer substation is characterized by comprising a fan and automatic fire extinguishing equipment, wherein an air inlet of the fan is communicated with the outside atmosphere, a main pipeline connected with an air outlet of the fan is arranged in the transformer substation, the inner space of the transformer substation is divided into a plurality of monitoring areas, exhaust pipes in one-to-one correspondence with the monitoring areas are arranged on the main pipeline, air outlets in one-to-one correspondence with the monitoring areas are arranged on a maintenance structure of the transformer substation, first smoke sensors are arranged in the air outlets, and wireless signal transmitting modules are arranged in the first smoke sensors;

when the first smoke sensor does not send a signal, the movable trolley carries out conventional itinerant monitoring according to a monitoring track preset by the processor;

and when the first smoke sensor sends a signal, the movable trolley stops conventional itinerant monitoring, and controls the movable trolley to detect a monitoring area corresponding to the first smoke sensor which sends the signal according to the received signal.

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