CN114614365A

CN114614365A - Combined power distribution cabinet with fireproof function

Info

Publication number: CN114614365A
Application number: CN202210383302.6A
Authority: CN
Inventors: 周聪
Original assignee: Nanjing Lainuo Electromechanical Technology Co ltd
Current assignee: Nanjing Lainuo Electromechanical Technology Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-06-10

Abstract

The invention discloses a combined power distribution cabinet with a fireproof function, which comprises a cabinet body, a cabinet door and a base, wherein a sealing box is arranged at the top end of the cabinet body, a rainproof shed is arranged at the top end of the sealing box, a fireproof curtain is arranged at the bottom end of the rainproof shed, and a plurality of ventilating assemblies penetrate through two sides of the cabinet body; the inside of seal box is provided with stand-by battery and the subassembly that opens and shuts, and the inside both sides of seal box are provided with the spacing subassembly with fire prevention curtain matched with, and the inside of the cabinet body is provided with the mounting bracket, the vertical a plurality of check baffles that are provided with on the mounting bracket. According to the invention, the rainproof shed is arranged, and the fireproof curtain for covering the cabinet body is arranged at the bottom of the rainproof shed, so that waterproof and fireproof effects can be effectively achieved, wherein the fireproof curtain is controlled through the opening and closing assembly, and when the temperature in the cabinet body is excessively raised, the opening and closing assembly is opened and drives the limiting assembly to contract, so that the fireproof curtain is put down, and the cabinet body is further sealed by the fireproof curtain, so that the external air can be isolated, and the effect of extinguishing fire can be effectively achieved.

Description

Combined power distribution cabinet with fireproof function

Technical Field

The invention relates to the technical field of power equipment, in particular to a combined power distribution cabinet with a fireproof function.

Background

The power distribution cabinet is a general name of a motor control center, the motor control center is used for occasions with concentrated loads and more loops, the motor control center distributes electric energy of a certain circuit of upper-level power distribution equipment to nearby loads, and the equipment provides protection, monitoring and control functions for the loads. The reliability and the safety of power equipment are of great importance, and the power distribution cabinet is used as the final-stage equipment of the power supply system, so that the stable operation of the power distribution cabinet has great significance on the safe operation of the whole power supply system.

In long-term use, the switch board can be because the ageing of equipment and circuit, phenomenon such as even some short circuits to lead to circuit or electrical components in the cabinet to catch fire, arouse the fire incident, cause power supply system's paralysis, if the processing of putting out a fire that can not be timely, will lead to great economic loss, more serious can cause the casualties accident. The structure of current switch board is all single relatively, and the distribution module only carries out fire protection through a cabinet body, so flame can enter into the internal portion of cabinet very fast, and then burns inside distribution module, causes more serious economic loss.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

Aiming at the problems in the related art, the invention provides a combined power distribution cabinet with a fireproof function, so as to overcome the technical problems in the prior related art.

Therefore, the invention adopts the following specific technical scheme:

a combined power distribution cabinet with a fireproof function comprises a cabinet body, a cabinet door and a base, wherein a sealing box is arranged at the top end of the cabinet body, a rainproof shed is arranged at the top end of the sealing box, a fireproof curtain is arranged at the bottom end of the rainproof shed and positioned on the outer side of the sealing box, and a plurality of ventilating assemblies are arranged on two sides of the cabinet body in a penetrating mode; the inside of seal box is provided with stand-by battery and with the subassembly and the subassembly of putting out a fire that open and shut that stand-by battery electricity is connected, the inside both sides of seal box be provided with fire prevention curtain matched with spacing subassembly, the inside of the cabinet body is provided with the mounting bracket, vertically on the mounting bracket be provided with a plurality of check baffles.

Furthermore, in order to extract gas in the cabinet body and improve the fireproof function of the power distribution cabinet, a first pump body is arranged inside the seal box, an input pipe is arranged at the input end of the first pump body, and the input pipe penetrates through the seal box and the cabinet body and extends to the inner bottom of the cabinet body; the output of the first pump body is connected with first output tube, first output tube passes the weather enclosure and is connected with the header tank, the header tank with the bottom fixed connection of weather enclosure, the fixed second pump body that is provided with in one side of header tank, the input of the second pump body with the header tank is linked together, the output of the second pump body extends to the top of weather enclosure and is connected and be provided with the shower nozzle.

Furthermore, in order to realize the sealing of the cabinet body by using the fireproof curtain, a first magnetic ring is arranged at the bottom end of the fireproof curtain, a plurality of guide rods vertically penetrate through two sides of the first magnetic ring, two ends of each guide rod are respectively fixedly connected with the bottom end of the rainproof shed and the top end of the base, and a second magnetic ring which is attracted to the first magnetic ring is embedded in the top end of the base.

Furthermore, in order to accelerate the outflow of the gas in the cabinet body and improve the heat dissipation capacity, the ventilation assembly comprises a ventilation block clamped with the inside of the side face of the cabinet body, two ends of the ventilation block are respectively provided with an air inlet and an air outlet, and the air inlet is positioned inside the cabinet body; the air inlet hole is communicated with a first communicating hole and a second communicating hole, the first communicating hole and the second communicating hole are converged to form a third communicating hole, the third communicating hole is communicated with a fourth communicating hole and a fifth communicating hole, the fourth communicating hole and the fifth communicating hole are communicated with the air outlet hole, and arc-shaped bends are arranged in the middle of the first communicating hole, the second communicating hole, the fourth communicating hole and the fifth communicating hole.

Furthermore, in order to realize automatic starting of the first pump body and the second pump body when a fire disaster occurs, the opening and closing assembly comprises two groups of supporting blocks fixedly connected with the bottom end of the seal box, the tops of the two groups of supporting blocks are respectively and horizontally provided with a first connector and a second connector in a penetrating manner, one end of the first connector is electrically connected with one electrode of the standby battery, and one end of the second connector is electrically connected with the other electrode of the standby battery; the other end of second connector rotates and is provided with the third connector, the third connector with be provided with first extension spring between the inner bottom of seal box, one side bottom of third connector is inlayed and is provided with first magnet piece, be provided with under the first magnet piece and be fixed in the first iron core of bottom in the seal box, the outside winding of first iron core is provided with first coil, the one end of first coil with stand-by battery's an electrical connection, the other end of first coil pass through the fuse with stand-by battery's another electrical connection.

Further, in order to realize the automatic whereabouts of fire prevention curtain, spacing subassembly includes the telescopic link, the one end of telescopic link is passed the seal box extends to the below of first magnetic ring, the other end of telescopic link is connected with second magnet piece, the fixed first compression spring that is provided with of one end of second magnet piece, first compression spring keeps away from the one end connection of second magnet piece is provided with the second iron core of bottom end fixed connection in the seal box, the outside winding of second iron core is provided with the second coil, the both ends of second coil respectively with the second connector reaches the stand-by battery electricity is connected.

Further, in order to increase the waterproof function of switch board, the inside of the cabinet body is vertically provided with the lifter, the lifter through two sets of mount pads with the inner wall of the cabinet body is connected, the bottom of lifter is provided with the floater, the top of lifter just is located the top of the cabinet body is inlayed and is provided with contact switch, contact switch's both ends respectively with the first pump body reaches the stand-by battery electricity is connected.

Furthermore, in order to reduce the loss of electronic components to the minimum after a fire disaster occurs, a plurality of fixing plates are vertically arranged on the front surface of the mounting rack, the lattice baffle is arranged between two groups of fixing plates which are close to each other, and a plurality of sealing assemblies are uniformly arranged on the side surface of the lattice baffle; the top and the bottom of one side, close to each other, of each of the two groups of fixing plates are provided with transverse grooves, one ends of the transverse grooves are provided with vertical grooves, the top and the bottom of each grid baffle are provided with limit posts matched with the vertical grooves, the diameters of the limit posts are smaller than the groove widths of the transverse grooves, the diameters of the limit posts are equal to the groove widths of the vertical grooves, the sealing assembly comprises a housing fixedly connected with the grid baffles, one side inside the housing is vertically provided with a guide rail, the top and the bottom of the guide rail are respectively sleeved with an upper sealing plate and a lower sealing plate in a sliding manner, one sides of the upper sealing plate and the lower sealing plate are respectively and fixedly provided with an upper rack and a lower rack, a gear is meshed between the upper rack and the lower rack, the gear is rotatably connected with the middle part of the housing, and one end, close to each other, of the upper rack and the lower rack are fixedly connected through a connecting rod, and a third extension spring is connected and arranged between the lower rack and the top of the housing.

Furthermore, in order to realize the automatic fixing and buckling of the first magnetic ring and the second magnetic ring, first fixing seats are arranged on two sides of the top end of the second magnetic ring, a limiting block matched with the first magnetic ring is rotatably arranged in the middle of the first fixing seat, second fixing seats fixedly connected with the second magnetic ring are arranged in the direction away from the first magnetic ring by the first fixing seats, hexagon bolts matched with the limiting block are rotatably connected to the middle of the second fixing seats, a second stretching spring is connected between the limiting block and the bottom of the second fixing seat, an arc-shaped chamfer is arranged at the top of the limiting block, and a right-angle cutting groove attached to the outer edge of the top of the first magnetic ring is formed in the middle of the limiting block.

Furthermore, the fire extinguishing assembly comprises a tank body fixedly connected with the inner bottom end of the seal box, a first air inlet is formed in the top of the tank body, a cylinder body is fixedly arranged at the top end of the tank body, a seal ball, a barrier plate and a piston are sequentially arranged in the cylinder body from bottom to top, a second air inlet is formed in the middle of the barrier plate, a second compression spring is arranged between the barrier plate and the seal ball, a third compression spring is arranged between the barrier plate and the piston, an air injection pipe is communicated and arranged at the position, located between the barrier plate and the piston, outside the cylinder body, and the output end of the air injection pipe penetrates through the seal box and extends to the upper side of the cabinet body; the top end of the piston is vertically provided with a top rod, a driving motor fixedly connected with the bottom end of the rainproof shed is arranged above the top rod, and an eccentric column tangent to the top end of the top rod is arranged at the output end of the driving motor.

The invention has the beneficial effects that:

1. according to the invention, the rainproof shed is arranged, and the fireproof curtain for covering the cabinet body is arranged at the bottom of the rainproof shed, so that waterproof and fireproof effects can be effectively achieved, wherein the fireproof curtain is controlled through the opening and closing assembly, and when the temperature in the cabinet body is excessively raised, the opening and closing assembly is opened and drives the limiting assembly to contract, so that the fireproof curtain is put down, and the cabinet body is further sealed by the fireproof curtain, so that the external air can be isolated, and the effect of extinguishing fire can be effectively achieved.

2. The ventilating assembly disclosed by the invention adopts a Tesla valve principle, has a one-way accelerating conduction effect in actual use, can accelerate the discharge of air in the cabinet body, so that the rapid heat dissipation is realized, and the air entering the cabinet body is blocked, so that the electronic components in the cabinet body are prevented from being damaged by external damp air and dust.

3. Through setting up the first pump body and the second pump body of being connected with the stand-by battery electricity, can realize utilizing the air in the first pump body with the cabinet body to take out after the internal portion of cabinet breaks out a fire, thereby avoid stretching of the internal portion condition of a fire of cabinet, in addition when cabinet body bottom is intake, the floater can rise and make first pump body start through extrusion contact switch, thereby take out the water of cabinet body bottom to the water collection tank in, then utilize the second pump body to pass through the shower nozzle with the water in the water collection tank to spray on the fire prevention curtain after breaking out a fire, thereby improve the fire prevention temperature resistance ability of fire prevention curtain.

4. Through setting up check baffle and seal assembly, can keep apart the electronic components of the internal portion of cabinet each other to reduce electronic components's loss to minimum after taking place the fire disaster, and the convenience is dismantled in the installation of check baffle, thereby the operator of being convenient for maintains and changes electronic components, and wherein seal assembly can open alone, thereby seals to electronic components and puts out a fire.

5. Through setting up the stopper, can realize the quick lock of first magnetic ring whereabouts to cabinet body bottom back and second magnetic ring, wherein second extension spring makes stopper automatic re-setting to prevent that first magnetic ring from taking place to break away from with the second magnetic ring, and then guarantee the leakproofness of fire prevention curtain.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is one of isometric views of a combined distribution cabinet with fire protection according to an embodiment of the present invention;

fig. 2 is a second perspective view of a combined distribution cabinet with fire protection function according to an embodiment of the present invention;

fig. 3 is a front sectional view of a combined distribution cabinet having a fire prevention function according to an embodiment of the present invention;

fig. 4 is a schematic view of the internal structure of a sealed box in a combined distribution cabinet with fire-proof function according to an embodiment of the invention;

fig. 5 is a sectional view of an axis of a combined distribution cabinet having a fire-proof function according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a switching assembly in a combined distribution cabinet with a fire-proof function according to an embodiment of the invention;

fig. 7 is a top sectional view of a ventilation assembly in a modular electrical distribution cabinet with fire protection function according to an embodiment of the present invention;

fig. 8 is a sectional view of the ventilating assembly in the combined distribution cabinet with fire-proof function according to the embodiment of the invention

Fig. 9 is a schematic structural diagram of a limiting assembly in a combined power distribution cabinet with a fire-proof function according to an embodiment of the present invention;

fig. 10 is a schematic view illustrating the combination of a grid baffle and a fixing plate in a combined distribution cabinet with a fire-proof function according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a grid baffle in a combined distribution cabinet with a fire-proof function according to an embodiment of the invention;

fig. 12 is a sectional view of a fixing plate in a combined distribution cabinet having a fire-proof function according to an embodiment of the present invention;

fig. 13 is a schematic structural diagram of a sealing assembly in a combined distribution cabinet with a fire-proof function according to an embodiment of the present invention;

fig. 14 is a schematic view illustrating the first magnetic ring and the second magnetic ring of the combined distribution cabinet with fire-proof function according to the embodiment of the present invention;

fig. 15 is a sectional view of a fire extinguishing module in a combined distribution cabinet having a fire prevention function according to an embodiment of the present invention.

In the figure:

1. a cabinet body; 2. a cabinet door; 3. a base; 4. a sealing box; 5. a rain-proof shed; 6. a fire curtain; 7. a venting assembly; 701. a gas permeable block; 702. an air inlet; 703. an air outlet; 704. a first communication hole; 705. a second communication hole; 706. a third communication hole; 707. a fourth communication hole; 708. a fifth communication hole; 8. a backup battery; 9. an opening and closing component; 901. a support block; 902. a first connection head; 903. a second connector; 904. a third connector; 905. a first extension spring; 906. a first magnet block; 907. a first iron core; 908. a first coil; 909. fusing the wires; 10. a limiting component; 1001. a telescopic rod; 1002. a second magnet block; 1003. a first compression spring; 1004. a second iron core; 1005. a second coil; 11. a mounting frame; 12. a grid baffle; 13. a first pump body; 14. an input tube; 15. a first output pipe; 16. a water collection tank; 17. a second pump body; 18. a spray head; 19. a first magnetic ring; 20. a guide bar; 21. a second magnetic ring; 22. a lifting rod; 23. a mounting seat; 24. a floating ball; 25. a contact switch; 26. a fixing plate; 27. a transverse groove; 28. a vertical slot; 29. a limiting column; 30. a first fixed seat; 31. a limiting block; 32. a second fixed seat; 33. a hexagon bolt; 34. a second extension spring; 35. a fire extinguishing assembly; 3501. a tank body; 3502. a first air intake hole; 3503. a cylinder body; 3504. a sealing ball; 3505. a blocking plate; 3506. a piston; 3507. a second air intake hole; 3508. a second compression spring; 3509. a third compression spring; 3510. a gas ejector tube; 3511. a top rod; 3512. a drive motor; 3513. an eccentric column; 36. a seal assembly; 3601. a housing; 3602. a guide rail; 3603. an upper sealing plate; 3604. a lower sealing plate; 3605. an upper rack; 3606. a lower rack; 3607. a gear; 3608. a connecting rod; 3609. a third tension spring.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the invention, a combined power distribution cabinet with a fireproof function is provided.

The invention is further described with reference to the accompanying drawings and the detailed description, as shown in fig. 1-fig. 15, the combined power distribution cabinet with the fireproof function according to the embodiment of the invention comprises a cabinet body 1, a cabinet door 2 and a base 3, wherein a sealing box 4 is arranged at the top end of the cabinet body 1, a rainproof shed 5 is arranged at the top end of the sealing box 4 (the sealing box 4, the rainproof shed 5 and the cabinet body 1 are sealed and fixed), a fireproof curtain 6 (the fireproof curtain 6 is made of fireproof and temperature-resistant materials) is arranged at the bottom end of the rainproof shed 5 and positioned at the outer side of the sealing box 4, and a plurality of ventilating assemblies 7 penetrate through two sides of the cabinet body 1; a standby battery 8, an opening and closing assembly 9 and a fire extinguishing assembly 35 which are electrically connected with the standby battery 8 are arranged inside the sealing box 4, limiting assemblies 10 matched with the fire-proof curtain 6 are arranged on two sides inside the sealing box 4, an installation frame 11 is arranged inside the cabinet body 1, a plurality of lattice baffles 12 are vertically arranged on the installation frame 11, a first pump body 13 is arranged inside the sealing box 4, an input pipe 14 is arranged at the input end of the first pump body 13, and the input pipe 14 penetrates through the sealing box 4 and the cabinet body 1 and extends to the inner bottom of the cabinet body 1; the output of the first pump body 13 is connected with first output tube 15, and first output tube 15 passes weather enclosure 5 and is connected with header tank 16, and header tank 16 and weather enclosure 5's bottom fixed connection, header tank 16's top are provided with the filter screen, can filter the impurity in the rainwater.

By means of the technical scheme, the rainproof shed 5 is arranged, the fireproof curtain 6 used for covering the cabinet body 1 is arranged at the bottom of the rainproof shed 5, waterproof and fireproof effects can be effectively achieved, the fireproof curtain 6 is controlled through the opening and closing assembly 9, and when the temperature in the cabinet body 1 is excessively increased, the opening and closing assembly 9 is opened and drives the limiting assembly 10 to contract, so that the fireproof curtain 6 is put down, the cabinet body 1 is further sealed through the fireproof curtain 6, and the external air can be isolated, so that the effect of extinguishing fire can be effectively achieved; the ventilating assembly 7 adopts the Tesla valve principle, has the function of one-way accelerated conduction in actual use, can accelerate the discharge of air in the cabinet body 1, thereby realizing rapid heat dissipation, and blocks the air entering the cabinet body 1, thereby avoiding the damage of external moist air and dust to electronic components in the cabinet body 1.

In one embodiment, a second pump body 17 is fixedly arranged on one side of the water collecting tank 16, an input end of the second pump body 17 is communicated with the water collecting tank 16, and an output end of the second pump body 17 extends to the upper part of the rain-proof shed 5 and is connected with a spray head 18, so that collected water in the water collecting tank 16 is sprayed on the fire-proof curtain 6, and the fire-proof and temperature-resistant capabilities of the fire-proof curtain 6 are improved.

In one embodiment, a first magnetic ring 19 is disposed at the bottom end of the fire-proof curtain 6, a plurality of guide rods 20 vertically penetrate through two sides of the first magnetic ring 19, two ends of each guide rod 20 are fixedly connected with the bottom end of the rain-proof shed 5 and the top end of the base 3, and a second magnetic ring 21 attracted with the first magnetic ring 19 is embedded at the top end of the base 3, so as to ensure that the cabinet 1 is sealed by the fire-proof curtain 6.

In one embodiment, the ventilation assembly 7 comprises a ventilation block 701 clamped with the inside of the side surface of the cabinet body 1, two ends of the ventilation block 701 are respectively provided with an air inlet hole 702 and an air outlet hole 703, and the air inlet hole 702 is positioned inside the cabinet body 1; the air inlet hole 702 is communicated with a first communicating hole 704 and a second communicating hole 705, the first communicating hole 704 and the second communicating hole 705 are converged to form a third communicating hole 706, the third communicating hole 706 is communicated with a fourth communicating hole 707 and a fifth communicating hole 708, the fourth communicating hole 707 and the fifth communicating hole 708 are communicated with the air outlet hole 703, and arc-shaped bends are arranged in the middle parts of the first communicating hole 704, the second communicating hole 705, the fourth communicating hole 707 and the fifth communicating hole 708.

The working principle of the ventilation component 7 is as follows: when air outside the cabinet 1 enters through the air outlet 703, the air is swirled at the arc-shaped bends of the third communication hole 706 and the fourth communication hole 707, so that the air circulation is blocked, and similarly, the arc-shaped bends of the first communication hole 704 and the second communication hole 705 are further blocked, so that the outside air cannot enter the cabinet 1; the air inside the cabinet 1 enters through the air intake holes 702, swirls at the arc-shaped bends of the first communication hole 704 and the second communication hole 705 and pushes the circulation of the air, and similarly, the arc-shaped bends of the third communication hole 706 and the fourth communication hole 707 further push the air, thereby accelerating the outflow of the air inside the cabinet 1.

In one embodiment, the opening and closing assembly 9 includes two sets of supporting blocks 901 fixedly connected to the bottom end of the sealed box 4, the tops of the two sets of supporting blocks 901 are respectively provided with a first connector 902 and a second connector 903 horizontally through, one end of the first connector 902 is electrically connected to one pole of the backup battery 8, and one end of the second connector 903 is electrically connected to the other pole of the backup battery 8; the other end of the second connector 903 rotates to be provided with a third connector 904, a first extension spring 905 is arranged between the third connector 904 and the inner bottom end of the seal box 4, the bottom of one side of the third connector 904 is provided with a first magnet block 906 in an embedded manner, a first iron core 907 fixed to the bottom end in the seal box 4 is arranged right below the first magnet block 906, a first coil 908 is wound on the outer side of the first iron core 907, one end of the first coil 908 is electrically connected with one pole of the standby battery 8, and the other end of the first coil 908 is electrically connected with the other pole of the standby battery 8 through a fuse 909 (the maximum withstand temperature of the fuse 909 is 70 ℃).

The operating principle of the opening and closing assembly 9 is as follows: the backup battery 8 supplies power to the first coil 908, so that the first iron core 907 is magnetic and repels the first magnet block 06, and at this time, the first extension spring 905 is extended and the third connector 904 is in an off state; when the ignition temperature rises in the cabinet 1, the fuse 909 is fused to cut off the power of the first coil 908, and the third connector 904 is connected to the first connector 902 and the second connector 903 under the action of the first extension spring 905.

In one embodiment, the limiting assembly 10 includes a telescopic rod 1001, one end of the telescopic rod 1001 passes through the sealed box 4 and extends to below the first magnetic ring 19, the other end of the telescopic rod 1001 is connected with a second magnet block 1002, one end of the second magnet block 1002 is fixedly provided with a first compression spring 1003, one end of the first compression spring 1003, which is far away from the second magnet block 1002, is connected with a second iron core 1004, which is fixedly connected with the inner bottom of the sealed box 4, the outer side of the second iron core 1004 is wound with a second coil 1005, and two ends of the second coil 1005 are electrically connected with the second connector 903 and the backup battery 8, respectively.

The working principle of the limiting assembly 10 is as follows: the second coil 1005 is energized to magnetically charge the second core 1004, the second core 1004 attracts the second magnet block 1002, the second magnet block 1002 presses the first compression spring 1003 to contract the expansion link 1001, and the expansion link 1001 contracts to release the position of the fire curtain 6.

In an embodiment, a lifting rod 22 is vertically arranged inside the cabinet body 1, the lifting rod 22 is connected with the inner wall of the cabinet body 1 through two sets of mounting seats 23, a floating ball 24 is arranged at the bottom end of the lifting rod 22, a contact switch 25 (the contact switch 25 is squeezed to be opened and loosened to be closed, the contact switch 25 is not explained in the prior art too much) is embedded above the lifting rod 22 and positioned at the top of the cabinet body 1, two ends of the contact switch 25 are respectively electrically connected with the first pump body 13 and the standby battery 8, so that the opening and closing of the first pump body 13 can be controlled through the lifting of the floating ball 24, and the waterproof function of the power distribution cabinet is further increased.

In one embodiment, the front surface of the mounting frame 11 is vertically provided with a plurality of fixing plates 26, a grid baffle plate 12 is arranged between two groups of fixing plates 26 which are close to each other, and a plurality of sealing assemblies 36 are uniformly arranged on the side surface of the grid baffle plate 12; the top and the bottom of the side, close to each other, of each of the two groups of fixing plates 26 are provided with a transverse groove 27, one end of each transverse groove 27 is provided with a vertical groove 28, the top and the bottom of each grid baffle 12 are provided with limit columns 29 matched with the vertical grooves 28, the diameter of each limit column 29 is smaller than the groove width of each transverse groove 27, the diameter of each limit column 29 is equal to the groove width of each vertical groove 28, each sealing assembly 36 comprises a housing 3601 fixedly connected with the grid baffle 12, one side inside the housing 3601 is vertically provided with a guide rail 3602, the top and the bottom of each guide rail 3602 are respectively sleeved with an upper sealing plate 3603 and a lower sealing plate 3604 in a sliding manner, one sides of the upper sealing plate 3603 and the lower sealing plate 3604 are respectively and fixedly provided with an upper rack 3605 and a lower rack 3606, a gear 3607 is meshed between the upper rack 3605 and the lower rack 3606, the gear 3607 is rotatably connected with the middle of the housing 3601, one end, the upper rack 3605 and one end, close to the lower rack 3606 are fixedly connected with each other through a connecting rod 3608 (the melting point of the connecting rod 3608 is about 70 ℃), and the third extension spring 3609 is connected between the top of the lower rack 3606 and the top of the housing 3601, so that electronic components inside the cabinet body 1 can be isolated from each other, the loss of the electronic components is reduced to the minimum after a fire occurs, the grid baffle 12 is convenient to mount and dismount, and an operator can maintain and replace the electronic components conveniently, wherein after the electronic components are ignited, the connecting rod 3608 is heated and disconnected, the third extension spring 3609 pulls the lower rack 3606 to move upwards, and meanwhile, the upper rack 3605 is driven by the gear 3607 to synchronously move downwards, so that the upper sealing plate 3603 and the lower sealing plate 3604 are close to each other, and the ignited electronic components are sealed and put out a fire.

In one embodiment, the first fixing seats 30 are disposed on two sides of the top end of the second magnetic ring 21, the middle of the first fixing seat 30 is rotatably provided with a limiting block 31 matched with the first magnetic ring 19, the second fixing seat 32 fixedly connected with the second magnetic ring 21 is disposed in a direction away from the first magnetic ring 19 of the first fixing seat 30, the middle of the second fixing seat 32 is rotatably connected with a hexagon bolt 33 matched with the limiting block 31, a second extension spring 34 is connected between the limiting block 31 and the bottom of the second fixing seat 32, the top of the limiting block 31 is provided with an arc-shaped chamfer, and the middle of the limiting block 31 is provided with a right-angle notch fitted with the outer edge of the top of the first magnetic ring 19.

The buckling principle of the first magnetic ring 19 and the second magnetic ring 21 is as follows: after the first magnetic ring 19 descends to contact with the top of the limiting block 31, the top of the limiting block 31 rotates in the direction away from the second magnetic ring 21, and after the second magnetic ring 21 falls to the middle of the limiting block 31, the limiting block 31 is reset under the action of the second extension spring 34; when the first magnetic ring 19 needs to be separated from the second magnetic ring 21, the hexagonal bolt 33 is rotated to extrude the bottom of the limiting block 31, and the limiting block 31 rotates in a direction away from the second magnetic ring 21, so that the first magnetic ring 19 can be separated from the second magnetic ring 21.

In one embodiment, the fire extinguishing module 35 comprises a tank 3501 fixedly connected to the inner bottom end of the sealed box 4 (the tank 3501 is provided with an air bag filled with inert gas), a first air inlet hole 3502 is formed at the top of the tank 3501, a cylinder 3503 is fixedly arranged at the top end of the tank 3501, a sealed ball 3504, a barrier plate 3505 and a piston 3506 are sequentially arranged in the cylinder 3503 from bottom to top, a second air inlet hole 3507 is formed at the middle part of the barrier plate 3505, a second compression spring 3508 is arranged between the stop plate 3505 and the sealing ball 3504, a third compression spring 3509 is arranged between the stop plate 3505 and the piston 3506, an air injection pipe 3510 is arranged on the outer side of the cylinder 3503 and positioned between the stop plate 3505 and the piston 3506 in a communicating manner, and an output end of the air injection pipe 3510 penetrates through the sealing box 4 and extends to the upper part of the cabinet body 1 (an anti-backflow gasket is arranged at the output end of the air injection pipe 3510, so that air backflow can be prevented when the piston 3506 sucks air); a top rod 3511 is vertically arranged at the top end of the piston 3506, a driving motor 3512 fixedly connected with the bottom end of the rain-proof shed 5 is arranged above the top rod 3511, and an eccentric column 3513 tangent to the top end of the top rod 3511 is arranged at the output end of the driving motor 3512.

The working principle of the fire extinguishing assembly 35 is as follows: the piston 3506 is vertically moved by the interaction between the third compression spring 3509 and the eccentric post 3513, so that the inert gas in the tank 3501 is extracted by the sealing performance of the piston 3506, and the fire is extinguished through the gas injection tube 3510.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical applications, the standby battery 8 supplies power to the first coil 908, so that the first core 907 is magnetic and repels the first magnet block 06, and at this time, the first extension spring 905 is extended and the third connector 904 is in an off state; when the ignition temperature in the cabinet 1 rises, the fuse 909 is fused to cut off the power of the first coil 908, the third connector 904 is communicated with the first connector 902 and the second connector 903 under the action of the first extension spring 905, at this time, the standby battery 8 supplies power to the second coil 1005, the first pump body 13 and the second pump body 17 respectively, the second coil 1005 is electrified to enable the second iron core 1004 to have magnetism, the second iron core 1004 attracts the second magnet block 1002, the second magnet block 1002 extrudes the first compression spring 1003 and enables the telescopic rod 1001 to contract, the telescopic rod 1001 contracts to enable the position of the fire-proof curtain 6 to be removed, at this time, the fire-proof curtain 6 descends along the guide rod 20, and when the fire-proof curtain moves to the bottom of the cabinet 1, the first magnetic ring 19 and the second magnetic ring 21 attract each other, so that the cabinet 1 is in a sealed state; the first pump body 13 is activated and draws air from the cabinet 1 through the inlet duct 14, while the second pump body 17 is activated and sprays the collected water in the collection tank 16 outside the fire protection curtain 6 through the spray head 18; when water enters the bottom of the cabinet body 1, the water level drives the floating ball 24 to rise, the lifting rod 22 presses the contact switch 25 and enables the first pump body 13 to be started, and the first pump body 13 pumps the water in the cabinet body 1 to the water collecting tank 16 through the input pipe 14 for collection and standby.

In summary, according to the technical scheme of the invention, the rainproof shed 5 is arranged, and the fireproof curtain 6 for covering the cabinet body 1 is arranged at the bottom of the rainproof shed 5, so that waterproof and fireproof effects can be effectively achieved, wherein the fireproof curtain 6 is controlled through the opening and closing component 9, and when the temperature in the cabinet body 1 is excessively raised, the opening and closing component 9 is opened and drives the limiting component 10 to contract, so that the fireproof curtain 6 is put down, and the cabinet body 1 is sealed by using the fireproof curtain 6, so that the external air can be isolated, and the effect of extinguishing fire can be effectively achieved; the ventilating assembly 7 adopts the Tesla valve principle, has the function of one-way accelerated conduction in actual use, can accelerate the discharge of air in the cabinet body 1, thereby realizing rapid heat dissipation, and blocks the air entering the cabinet body 1, thereby avoiding the damage of external moist air and dust to electronic components in the cabinet body 1; through the arrangement of the first pump body 13 and the second pump body 17 which are electrically connected with the standby battery 8, air in the cabinet body 1 can be pumped out by utilizing the first pump body 13 after a fire disaster occurs in the cabinet body 1, so that the spreading of the fire disaster in the cabinet body 1 is avoided, in addition, when water enters the bottom of the cabinet body 1, the floating ball 24 rises and the first pump body 13 is started by squeezing the contact switch 25, so that the water at the bottom of the cabinet body 1 is pumped into the water collecting tank 16, and then the water in the water collecting tank 16 is sprayed on the fire-proof curtain 6 through the spray head 18 by utilizing the second pump body 17 after the fire disaster occurs, so that the fire-proof and temperature-resistant capabilities of the fire-proof curtain 6 are improved; through the arrangement of the grid baffles 12, electronic components in the cabinet body 1 can be isolated from each other, so that the loss of the electronic components is reduced to the minimum after fire occurs, and the grid baffles 12 are convenient to mount and dismount, so that an operator can conveniently maintain and replace the electronic components; through the arrangement of the limiting block 31, the first magnetic ring 19 can be quickly buckled with the second magnetic ring 21 after falling to the bottom of the cabinet body 4, wherein the second extension spring 34 enables the limiting block 31 to automatically reset, so that the first magnetic ring 19 is prevented from being separated from the second magnetic ring 21, and the sealing performance of the fire-proof curtain 6 is further ensured.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood broadly, for example, as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a combination formula switch board with fire prevention function, includes the cabinet body (1), cabinet door (2) and base (3), its characterized in that:

a sealing box (4) is arranged at the top end of the cabinet body (1), a rainproof shed (5) is arranged at the top end of the sealing box (4), a fireproof curtain (6) is arranged at the bottom end of the rainproof shed (5) and positioned on the outer side of the sealing box (4), and a plurality of ventilation assemblies (7) are arranged on two sides of the cabinet body (1) in a penetrating manner;

the inside of seal box (4) be provided with stand-by battery (8) and with subassembly (9) and the subassembly (35) of putting out a fire that open and shut that stand-by battery (8) electricity is connected, the inside both sides of seal box (4) be provided with fire curtain (6) matched with spacing subassembly (10), the inside of the cabinet body (1) is provided with mounting bracket (11), the vertical a plurality of check baffles (12) that are provided with on mounting bracket (11).

2. The combined power distribution cabinet with the fire prevention function according to claim 1, wherein a first pump body (13) is arranged inside the sealed box (4), an input end of the first pump body (13) is provided with an input pipe (14), and the input pipe (14) penetrates through the sealed box (4) and the cabinet body (1) and extends to the inner bottom of the cabinet body (1); the output end of the first pump body (13) is connected with a first output pipe (15), the first output pipe (15) penetrates through the rain-proof shed (5) and is connected with a water collection tank (16), and the water collection tank (16) is fixedly connected with the bottom end of the rain-proof shed (5);

one side of the water collecting tank (16) is fixedly provided with a second pump body (17), the input end of the second pump body (17) is communicated with the water collecting tank (16), and the output end of the second pump body (17) extends to the upper part of the rain-proof shed (5) and is connected with a spray head (18).

3. The modular power distribution cabinet with a fireproof function according to claim 2, wherein a first magnetic ring (19) is arranged at the bottom end of the fireproof curtain (6), a plurality of guide rods (20) vertically penetrate through two sides of the first magnetic ring (19), two ends of each guide rod (20) are respectively and fixedly connected with the bottom end of the rainproof shed (5) and the top end of the base (3), and a second magnetic ring (21) attracted to the first magnetic ring (19) is embedded at the top end of the base (3).

4. The combined power distribution cabinet with the fireproof function according to claim 3, wherein the ventilation assembly (7) comprises a ventilation block (701) clamped with the inside of the side surface of the cabinet body (1), two ends of the ventilation block (701) are respectively provided with an air inlet hole (702) and an air outlet hole (703), and the air inlet hole (702) is located inside the cabinet body (1);

the air inlet hole (702) is communicated with a first communicating hole (704) and a second communicating hole (705), the first communicating hole (704) and the second communicating hole (705) are collected to form a third communicating hole (706), the third communicating hole (706) is communicated with a fourth communicating hole (707) and a fifth communicating hole (708), the fourth communicating hole (707) and the fifth communicating hole (708) are communicated with the air outlet hole (703), and arc bends are arranged in the middle of the first communicating hole (704), the second communicating hole (705), the fourth communicating hole (707) and the fifth communicating hole (708).

5. The combined power distribution cabinet with the fireproof function according to claim 4, wherein the opening and closing assembly (9) comprises two groups of supporting blocks (901) fixedly connected with the bottom end of the seal box (4), the tops of the two groups of supporting blocks (901) are respectively provided with a first connector (902) and a second connector (903) in a horizontal penetrating manner, one end of the first connector (902) is electrically connected with one end of the backup battery (8), and one end of the second connector (903) is electrically connected with the other end of the backup battery (8);

the other end of second connector (903) rotates and is provided with third connector (904), third connector (904) with be provided with first extension spring (905) between the interior bottom of seal box (4), one side bottom of third connector (904) is inlayed and is provided with first magnet piece (906), be provided with under first magnet piece (906) and be fixed in first iron core (907) of bottom in seal box (4), the outside winding of first iron core (907) is provided with first coil (908), the one end of first coil (908) with an electrical connection of stand-by battery (8), the other end of first coil (908) pass through fuse (909) with another electrical connection of stand-by battery (8).

6. The modular cabinet according to claim 5, wherein the modular cabinet is capable of preventing fire, the limiting assembly (10) comprises an expansion rod (1001), one end of the expansion rod (1001) penetrates through the sealing box (4) and extends to the position below the first magnetic ring (19), the other end of the telescopic rod (1001) is connected with a second magnet block (1002), one end of the second magnet block (1002) is fixedly provided with a first compression spring (1003), one end of the first compression spring (1003) far away from the second magnet block (1002) is connected with a second iron core (1004) fixedly connected with the inner bottom end of the seal box (4), a second coil (1005) is wound on the outer side of the second iron core (1004), and two ends of the second coil (1005) are respectively electrically connected with the second connector (903) and the standby battery (8).

7. The combined power distribution cabinet with the fireproof function according to claim 6, wherein a lifting rod (22) is vertically arranged inside the cabinet body (1), the lifting rod (22) is connected with the inner wall of the cabinet body (1) through two sets of mounting seats (23), a floating ball (24) is arranged at the bottom end of the lifting rod (22), a contact switch (25) is embedded above the lifting rod (22) and located at the top of the cabinet body (1), and two ends of the contact switch (25) are respectively electrically connected with the first pump body (13) and the backup battery (8).

8. The combined power distribution cabinet with the fireproof function according to claim 7, wherein a plurality of fixing plates (26) are vertically arranged on the front surface of the mounting frame (11), the grid baffle plate (12) is arranged between two groups of the fixing plates (26) which are close to each other, and a plurality of sealing assemblies (36) are uniformly arranged on the side surface of the grid baffle plate (12); the top and the bottom of one side, close to each other, of each two groups of fixing plates (26) are provided with transverse grooves (27), one ends of the transverse grooves (27) are provided with vertical grooves (28), the top and the bottom of each lattice baffle (12) are provided with limiting columns (29) matched with the vertical grooves (28), the diameter of each limiting column (29) is smaller than the groove width of each transverse groove (27), and the diameter of each limiting column (29) is equal to the groove width of each vertical groove (28);

the sealing assembly (36) comprises a housing (3601) fixedly connected with the check plate (12), a guide rail (3602) is vertically arranged at one side in the housing (3601), an upper sealing plate (3603) and a lower sealing plate (3604) are respectively sleeved at the top and the bottom of the guide rail (3602) in a sliding way, one side of the upper sealing plate (3603) and one side of the lower sealing plate (3604) are respectively and fixedly provided with an upper rack (3605) and a lower rack (3606), a gear (3607) is meshed between the upper rack (3605) and the lower rack (3606), the gear (3607) is rotationally connected with the middle part of the housing (3601), one end of the upper rack (3605) close to one end of the lower rack (3606) is fixedly connected with the connecting rod (3608), and a third extension spring (3609) is connected and arranged between the lower rack (3606) and the top of the housing (3601).

9. The modular cabinet with fire protection function of claim 8, two sides of the top end of the second magnetic ring (21) are respectively provided with a first fixed seat (30), a limiting block (31) matched with the first magnetic ring (19) is rotatably arranged in the middle of the first fixed seat (30), a second fixed seat (32) fixedly connected with the second magnetic ring (21) is arranged in the direction of the first fixed seat (30) far away from the first magnetic ring (19), the middle part of the second fixed seat (32) is screwed with a hexagon bolt (33) matched with the limited block (31), a second extension spring (34) is connected and arranged between the limiting block (31) and the bottom of the second fixed seat (32), an arc-shaped chamfer is arranged at the top of the limiting block (31), and the middle part of the limiting block (31) is provided with a right-angle cutting groove which is attached to the outer edge of the top of the first magnetic ring (19).

10. The combined power distribution cabinet with the fire protection function according to claim 9, wherein the fire extinguishing assembly (35) comprises a tank body (3501) fixedly connected to an inner bottom end of the sealed box (4), a first air inlet hole (3502) is formed in a top portion of the tank body (3501), a cylinder body (3503) is fixedly arranged at a top end of the tank body (3501), a sealing ball (3504), a blocking plate (3505) and a piston (3506) are sequentially arranged in the cylinder body (3503) from bottom to top, a second air inlet hole (3507) is formed in a middle portion of the blocking plate (3505), a second compression spring (3508) is arranged between the blocking plate (3505) and the sealing ball (3504), a third compression spring (3509) is arranged between the blocking plate (3505) and the piston (3506), an air injection pipe (3510) is arranged outside the cylinder body (3503) and is communicated with a position between the blocking plate (3505) and the piston (3506), the output end of the air injection pipe (3510) penetrates through the seal box (4) and extends to the upper part of the cabinet body (1);

a top rod (3511) is vertically arranged at the top end of the piston (3506), a driving motor (3512) fixedly connected with the bottom end of the rain-proof shed (5) is arranged above the top rod (3511), and an eccentric column (3513) tangent to the top end of the top rod (3511) is arranged at the output end of the driving motor (3512).