CN211290439U - Intelligent automatic smoke prevention and exhaust device - Google Patents

Abstract

The utility model relates to an intelligent automatic smoke prevention and exhaust device, the power distribution box comprises a box body, the tobacco inlet pipe way that communicates with the one end of box is fixed, the play tobacco pipe way that communicates with the other end of box is fixed, be located the filter screen of box and say with a tobacco pipe and keep away from the air exhauster that box one end is fixed and communicate, the open-top of box, the apron is installed at the box top, run through on the apron and be equipped with the filler pipe, install in the box with the bottom surface laminating of apron and fixed guiding gutter, the filler pipe lower extreme extends to in the guiding gutter, a plurality of infiltration holes have evenly been seted up to the guiding gutter bottom, and the bottom surface of guiding gutter and the laminating of filter. The utility model discloses set up the guiding gutter at the filter screen top to set up the infiltration hole bottom the guiding gutter, so that the staff washes the filter screen, makes the filter screen can dredge, is favorable to smoke discharging device to carry out quick smoke discharging, through setting up controller and smoke alarm, makes this smoke discharging device can carry out the automation and discharge fume.

Description

Intelligent automatic smoke prevention and exhaust device

Technical Field

The utility model belongs to the technical field of the fire safety equipment technique and specifically relates to an intelligent automatic smoke prevention and exhaust device is related to.

Background

After a fire disaster occurs, dense smoke can be generated, a large amount of dense smoke floats on the upper layer, people escape from the dense smoke, if the human body is improperly protected, the dense smoke is easily sucked into the human body, so that the human body is faint or suffocated, eyes can not be opened due to stabbing pain caused by the stimulation of the smoke, and the smoke can be used as a barrier for escaping from the fire disaster. In the construction process of modern buildings, the smoke prevention and exhaust device becomes an indispensable part, and the smoke prevention and exhaust device can discharge smoke in time, so that precious time is won for people to escape when encountering fire.

Chinese utility model patent No. CN209341509U discloses a fire-fighting smoke exhaust device, comprising a rectangular box body, wherein a smoke inlet pipe and a smoke outlet pipe are arranged at two ends of the box body, one end of the smoke outlet pipe is provided with a smoke exhaust component for discharging smoke in the box body, the smoke inlet pipe is a cylindrical pipe, a smoke inlet communicated with the smoke inlet pipe is arranged at the lower side of the pipe wall of the smoke inlet pipe, the smoke inlet pipe is rotatably sleeved with a mounting sleeve, a smoke guide pipe communicated with the smoke inlet is arranged downwards on the outer wall of the mounting sleeve, a plurality of smoke inlets are arranged on the smoke guide pipe along the length direction of the smoke guide pipe, the smoke guide pipe is formed by sleeving a plurality of sections of single pipes, the external dimension of the single pipe is gradually reduced towards the direction far away from the mounting sleeve, the smoke inlets are arranged at one end of the single pipe far away from the mounting sleeve, a filter screen is arranged in the box body, the filter screen is a, the water feeding pipe connected to the filter screen is arranged above the box body, the water storage tank is arranged at the lower part in the box body, and the lower end of the filter screen is positioned in the water storage tank. The utility model discloses a fire control fume extractor that well provided adds water on the filter screen through the filler pipe, and hydroenergy in the catch basin enough keeps in the water absorption plate, and the dust adsorbs on the filter screen more easily, increases the absorption purifying effect to smog.

But contain more dust in the flue gas that the conflagration produced, the dust gets into and is adsorbed by wetted filter screen easily behind the box, and when dust content on the filter screen was more, make easily that partial honeycomb holes on the filter screen take place to block up to reduced the speed that the flue gas passes through the filter screen, be unfavorable for fume extractor to carry out quick smoke evacuation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intelligent automatic smoke exhaust prevention device, this intelligent automatic smoke exhaust prevention device is convenient for the staff and washes the filter screen to this makes the filter screen can dredge, is favorable to smoke exhaust prevention device to carry out quick smoke exhaust.

The above technical purpose of the present invention can be achieved by the following technical solutions: intelligent automatic smoke exhaust preventing device, including the box, with the fixed cigarette inlet pipe way that communicates of one end of box, with the other end of box fixed and the play tobacco pipe way that communicates, be located the filter screen of box and keep away from the air exhauster that box one end is fixed and communicate with a cigarette outlet pipe way, the open-top of box, the apron is installed at the box top, run through on the apron and be equipped with the filler pipe, install in the box bottom surface laminating and fixed guiding gutter with the apron, the filler pipe lower extreme extends to the guiding gutter in, the guiding gutter both ends are closed, a plurality of infiltration holes have evenly been seted up to the guiding gutter bottom, just the bottom surface and the filter screen upper surface laminating of guiding gutter.

Through adopting above-mentioned technical scheme, set up the guiding gutter at the filter screen top to set up the infiltration hole in guiding gutter bottom, the staff adds water through the filler pipe and can wash the filter screen, makes the filter screen can dredge with this, thereby makes the flue gas can fast pass through the filter screen, is favorable to fume extractor to carry out quick smoke evacuation.

The utility model discloses further set up to: the box body side wall below the smoke outlet pipeline is provided with a drainage component, and the drainage component comprises a water outlet hopper, a water electromagnetic valve and a water outlet pipe, wherein the water outlet hopper is fixed and communicated with the position, close to the bottom, of the box body side wall, the water electromagnetic valve is fixed on the water outlet hopper and used for controlling the water electromagnetic valve to be switched on and off, and the water outlet pipe is in threaded connection with one end, far away from the box body, of the water.

By adopting the technical scheme, in order to avoid the situation that the water level at the bottom of the box body is too high and is discharged from the smoke inlet pipeline or the smoke outlet pipeline, a worker only needs to open the electromagnetic valve to enable the water bucket to be in a passage state, and then the water at the bottom of the box body can enter the water outlet pipe from the water outlet bucket and is discharged from the water outlet pipe.

The utility model discloses further set up to: and a sealing adhesive tape for preventing water from seeping out from the threaded connection part of the water outlet hopper and the water outlet pipe is wound at the threaded connection part of the water outlet hopper and the water outlet pipe.

Through adopting above-mentioned technical scheme, through setting up sealed sticky tape to this makes the clearance of outlet pipe and play water fill threaded connection department fully filled up, thereby has reduced rivers from the possibility of the gap seepage of outlet pipe and play water fill junction, has improved the connection leakproofness between outlet pipe and the play water fill.

The utility model discloses further set up to: the water outlet pipe is obliquely arranged.

Through adopting above-mentioned technical scheme to this water in the water tank is followed the outlet pipe and is discharged from the play water bucket, and has reduced the silt that the dust produced and has gathered the possibility on the interior diapire of outlet pipe.

The utility model discloses further set up to: go out tobacco pipe way bottom and install the reinforcement subassembly that is used for consolidating the water pipe, the reinforcement subassembly include with the bottom arc fixed surface of tobacco pipe way the dead lever and with the solid fixed ring of dead lever lower extreme fixed, gu fixed ring cover locates the outlet pipe outside.

Through adopting above-mentioned technical scheme, through setting up the dead lever and solid fixed ring to this has played good reinforcing effect to the outlet pipe, has improved the bearing capacity of outlet pipe, thereby has improved the stability of outlet pipe in drainage process.

The utility model discloses further set up to: the inner bottom wall of the box body is obliquely arranged, the height of one side, close to the smoke inlet pipe, of the inner bottom surface of the box body is larger than the height of one side, close to the smoke outlet pipe, of the inner bottom surface of the box body, a drainage groove with a V-shaped cross section is formed in the inner bottom wall of the box body, and one end, far away from the smoke inlet pipe, of the drainage groove is communicated with one end, far away from the water outlet pipe, of the water outlet hopper.

Through adopting above-mentioned technical scheme, the drainage groove has played good guide effect to the dust granule of water and aquatic to this water and dust get into out the water bucket along the drainage groove in, thereby be favorable to the water and the dust discharge box outside of bottom half.

The utility model discloses further set up to: the bottom of the filter screen is V-shaped, and the bottom surfaces of the two sides of the filter screen are respectively attached to the inner bottom walls of the two sides of the drainage groove.

Through adopting above-mentioned technical scheme to this makes the flue gas through the box can be adsorbed by the filter screen completely, makes the performance of filter screen purge gas obtain full play.

The utility model discloses further set up to: the sealing assembly comprises a splicing groove arranged on the top surface of the box body, a U-shaped rubber sheet attached and fixed to the inner side wall of the splicing groove, and an insertion plate fixed to the bottom surface of the cover plate and abutted to the inner side walls of the two sides of the U-shaped rubber sheet, the fixing assembly comprises a bolt penetrating the cover plate, a through hole arranged on the cover plate and allowing the bolt to pass through, and a threaded hole arranged at the top of the box body and connected with the bolt in a threaded manner, and a sealing ring is fixed to the position, close to the through hole, of the upper surface of the cover plate.

By adopting the technical scheme, when the cover plate is installed, a worker only needs to insert the lower end of the insertion plate into the space between the inner side walls of the two sides of the U-shaped rubber sheet, the insertion plate is matched with the splicing groove and tightly supports the U-shaped rubber sheet, so that a gap between the insertion plate and the splicing groove is fully filled, a good sealing effect is achieved, and the sealing property of connection between the cover plate and the box body is improved; through setting up fixed subassembly, when fixing apron and box, the staff only need run through the bolt and perforate, screws up the bolt in the threaded hole afterwards for the sealing washer is fully supported tightly by bolt head and apron, with this possibility that the gap that has reduced the flue gas and stretches out from between bolt and the threaded hole, has improved the leakproofness between apron and the box.

The utility model discloses further set up to: the smoke alarm is fixed to the bottom of the box body, a controller used for controlling opening and closing of a switch of the exhaust fan is fixed to the smoke outlet pipeline, and the smoke alarm is electrically connected with the controller.

Through adopting above-mentioned technical scheme, smoke alarm can the indoor flue gas concentration of real-time supervision, when flue gas concentration is greater than the default, smoke alarm sends out the police dispatch newspaper promptly and gives the controller with signal transmission, the controller is according to preset's instruction control air exhauster work to this makes the flue gas get into in the box from advancing the tobacco pipe, and filter by the filter screen in the box, and the gas after purifying is then followed a tobacco pipe and is discharged, this process is realized through automatic control, has embodied the intellectuality.

To sum up, the utility model discloses a beneficial technological effect does:

according to the scheme, the water guide groove is formed in the top of the filter screen, the water seepage holes are formed in the bottom of the water guide groove, and workers can wash the filter screen by adding water through the water adding pipe, so that the filter screen can be dredged, smoke can rapidly pass through the filter screen, and a smoke exhaust device can rapidly exhaust smoke;

when the cover plate is installed, a worker only needs to insert the lower end of the insertion plate into the space between the inner side walls of the two sides of the U-shaped rubber sheet, the insertion plate is matched with the splicing groove and tightly supports the U-shaped rubber sheet, so that a gap between the insertion plate and the splicing groove is fully filled, a good sealing effect is achieved, and the sealing performance of connection between the cover plate and the box body is improved; by arranging the fixing assembly, when the cover plate and the box body are fixed, a worker only needs to penetrate through the bolt for perforation and then screw the bolt in the threaded hole, so that the sealing ring is fully abutted by the bolt head and the cover plate, the possibility that smoke gas extends out of a gap between the bolt and the threaded hole is reduced, and the sealing property between the cover plate and the box body is improved;

in this scheme, smoke alarm can the indoor flue gas concentration of real-time supervision, and when flue gas concentration was greater than the default, smoke alarm sent out the police dispatch newspaper promptly and gives the controller with signal transmission, and the controller is according to preset's instruction control air exhauster work to this makes the flue gas get into in the box from advancing the tobacco pipe way, and filters by the filter screen in the box, and the gas after purifying then from going out the tobacco pipe way and discharging, and this process is realized through automatic control, has embodied the intellectuality.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view showing the structure of the smoke guide duct of the present invention;

FIG. 3 is a schematic view showing the internal structure of the case of the present invention;

FIG. 4 is an enlarged partial schematic view of portion A of FIG. 3;

fig. 5 is a schematic structural view for highlighting the sealing tape of the present invention.

Reference numerals: 1. a box body; 11. a smoke inlet pipeline; 12. a smoke outlet pipeline; 121. an exhaust fan; 122. a controller; 13. mounting grooves; 14. a smoke alarm; 15. a drainage groove; 2. a cover plate; 21. a seal ring; 22. a water feeding pipe; 3. a smoke guide pipeline; 31. a single tube; 311. a smoke inlet; 4. a filter screen; 5. a seal assembly; 51. splicing grooves; 52. a U-shaped rubber sheet; 53. a plugboard; 6. a fixing assembly; 61. a bolt; 62. perforating; 63. a threaded hole; 7. a water chute; 71. a water seepage hole; 8. a drainage assembly; 81. a water outlet hopper; 82. a solenoid valve for water; 83. a water outlet pipe; 831. sealing the adhesive tape; 9. a reinforcement assembly; 91. fixing the rod; 92. and (4) fixing the ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the intelligent automatic smoke prevention and exhaust device disclosed by the present invention comprises a box body 1, a cover plate 2, a smoke inlet pipe 11, a smoke guide pipe 3, a smoke outlet pipe 12 and an exhaust fan 121. The box body 1 is of a cuboid structure, the interior of the box body is hollow, the top of the box body 1 is open, and the cross section of the box body 1 is U-shaped. The cover plate 2 is a rectangular plate-shaped structure and is horizontally arranged, and the bottom surface of the cover plate 2 is flush with the plane of the upper end opening of the box body 1. The smoke inlet pipeline 11 is in a circular tube shape, the axis of the smoke inlet pipeline is horizontal, and one end of the smoke inlet pipeline 11 is fixed and communicated with one end of the box body 1. Referring to fig. 2, the smoke guide duct 3 is in the shape of a square sleeve, the cross section of the smoke guide duct is in the shape of a square ring, the smoke guide duct 3 is vertically arranged, and the smoke guide duct 3 is formed by sleeving a plurality of sections of single tubes 31. The outer contour dimension of the cross section of the single tube 31 is linearly decreased from top to bottom, the upper end of the uppermost single tube 31 is fixed and communicated with the arc-shaped surface at the bottom of the smoke inlet pipeline 11, and the side wall of the single tube 31 is provided with a smoke inlet 311, so that smoke at a lower indoor position can enter the smoke inlet pipeline 11 along the smoke guide pipeline 3. The smoke outlet pipe 12 is in a circular pipe shape, the axis of the smoke outlet pipe is overlapped with the axis of the smoke inlet pipe 11, and one end of the smoke outlet pipe 12 is fixed and communicated with one end of the box body 1 far away from the smoke inlet pipe 11. The air inlet of the exhaust fan 121 is fixed and communicated with one end of the smoke outlet pipe 12 far away from the box body 1, so that the exhaust fan 121 can conveniently exhaust indoor smoke into the box body 1 from the smoke inlet pipe 11 and exhaust the smoke from the smoke outlet pipe 12.

As shown in FIG. 3, a filter screen 4 is installed in the box body 1, and mounting grooves 13 for the sliding connection of the filter screen 4 are formed in the side walls of the two sides of the box body 1, so that the filter screen 4 can be conveniently installed in the box body 1 by workers. In this embodiment, the filter screen 4 is an activated carbon filter screen 4, and the activated carbon filter screen 4 adopts the aluminum honeycomb, the plastic honeycomb and the paper honeycomb of the through-hole structure as carriers, and has good performances of removing peculiar smell and purifying air, so that the box body 1 has a good function of purifying smoke.

As shown in FIG. 4, the box body 1 and the cover plate 2 are jointly provided with a sealing assembly 5, and the sealing assembly 5 comprises a splicing groove 51, a U-shaped rubber sheet 52 and a plug plate 53. The cross section of the splicing groove 51 is rectangular, the extending direction of the splicing groove is consistent with the length direction of the box body 1, and the splicing groove 51 is arranged on the top surface of the box body 1. The cross section of U-shaped rubber sheet 52 is the U-shaped, and its bottom surface pastes and fixes with the interior bottom surface of concatenation groove 51, and the lateral wall of U-shaped rubber sheet 52 both sides pastes and fixes with the inside wall laminating of concatenation groove 51 both sides respectively, and U-shaped rubber sheet 52 adopts rubber materials to make, has good elastic property. The cross section of the plug board 53 is rectangular, the extending direction of the plug board 53 is consistent with the length direction of the box body 1, the upper surface of the plug board 53 is fixed with the bottom surface of the cover plate 2, and the width of the plug board 53 is larger than the distance between the inner side walls of the two sides of the U-shaped rubber sheet 52. When the installation apron 2, the staff only need with plugboard 53 alignment U-shaped rubber piece 52, top-down with plugboard 53 insert in U-shaped rubber piece 52 can, this moment, plugboard 53 and splice groove 51 mating reaction, support U-shaped rubber piece 52 tightly, through setting up U-shaped rubber piece 52, make the gap between plugboard 53 and splice groove 51 fully filled up, thereby reduced the flue gas possibility of oozing from the gap between plugboard 53 and splice groove 51, improved the sealed effect between apron 2 and the box 1.

As shown in fig. 1, the fixing assembly 6 is further mounted on the case 1 and the cover plate 2 together, and as shown in fig. 4, the fixing assembly 6 includes a bolt 61, a through hole 62 and a threaded hole 63. The bolt 61 is arranged on the cover plate 2 in a penetrating manner, with its axis vertical. The through-hole 62 is circular in cross-section and opens onto the cover plate 2, the cross-sectional area of the through-hole 62 being larger than the cross-sectional area of the bolt 61 so that the bolt 61 passes through the through-hole 62. The axis of the threaded hole 63 coincides with the axis of the bolt 61, the threaded hole 63 is opened on the upper surface of the box body 1, and the threaded hole 63 is in threaded connection with the bolt 61, so that a worker can fix the cover plate 2 and the box body 1 through the bolt 61.

As shown in fig. 4, the cover plate 2 is provided with a sealing ring 21, the sealing ring 21 is in a ring-shaped sheet structure, the axis of the sealing ring 21 is overlapped with the axis of the bolt 61, the bottom surface of the sealing ring 21 is fixed with the upper surface of the cover plate 2, and the sealing ring 21 is made of elastic rubber material and has good elastic performance. Through setting up sealing washer 21, when the staff with bolt 61 run through sealing washer 21 and perforation 62 in proper order and screw up in screw hole 63, bolt 61 head and apron 2 upper surface cooperation to this supports sealing washer 21 tightly, thereby makes the gap between bolt 61 head and the apron 2 fully filled up by sealing washer 21, has reduced the possibility that the flue gas oozes from between bolt 61 and the apron 2.

As shown in fig. 2, a smoke alarm 14 is fixed at the bottom of the box body 1 and used for monitoring indoor smoke conditions in real time. The smoke outlet pipeline 12 is fixed with a controller 122, the smoke alarm 14, the controller 122 and the exhaust fan 121 are all electrically connected with a power supply, and the controller 122 is used for receiving a signal transmitted by the smoke alarm 14 in real time and selecting whether to control the operation of the exhaust fan 121 according to the signal transmitted by the smoke alarm 14. The smoke alarm 14 can monitor the indoor smoke concentration in real time, when the smoke concentration is larger than a preset value, the smoke alarm 14 sends an alarm and transmits a signal to the controller 122, the controller 122 controls the exhaust fan 121 to work according to a preset instruction, so that the smoke is pumped into the box body 1 along the smoke inlet pipeline 11, the smoke is filtered through the filter screen 4 (see fig. 3), the content of harmful gas in the smoke is reduced, a good smoke purification effect is achieved, and the purified gas is discharged outdoors from the smoke outlet pipeline 12.

As shown in fig. 1, a water feeding pipe 22 is provided on the cover plate 2 in a penetrating manner, the water feeding pipe 22 is in a circular pipe shape, the axis of the water feeding pipe 22 is vertical, and the water feeding pipe 22 penetrates through the cover plate 2 and is fixed with the cover plate. Referring to fig. 3, a water chute 7 is installed in the box body 1, the cross section of the water chute 7 is U-shaped, two ends of the water chute 7 are closed, the upper end of the water chute 7 is open and fixed with the bottom surface of the cover plate 2, the bottom surface of the water chute 7 is attached to the upper surface of the filter screen 4, and the lower end of the water feeding pipe 22 extends into the water chute 7. The bottom wall of the water chute 7 is provided with water seepage holes 71, the water seepage holes 71 are circular, the axes of the water seepage holes 71 are vertical, the number of the water seepage holes 71 is multiple, and the distance between every two adjacent water seepage holes 71 is equal. Contain a large amount of dusts usually in the flue gas, for reducing the probability that the dust blockked up filter screen 4, the staff only need from filler pipe 22 to box 1 in add water can, at the in-process that adds water, water oozes from infiltration hole 71 of guiding gutter 7 bottom, the rivers that ooze down then wash filter screen 4 to this makes the dust in the mesh of filter screen 4 washed into box 1 bottom, thereby has reduced filter screen 4 and has taken place the possibility of blockking up.

As shown in fig. 1, a drain assembly 8 is mounted on a side wall of the tank 1, and the drain assembly 8 includes a water outlet bucket 81, a water solenoid valve 82, and a water outlet pipe 83. The cross section of the water outlet bucket 81 is circular, and one end of the water outlet bucket is fixed and communicated with the position of the side wall of the box body 1 close to the lower end of the side wall. The water solenoid valve 82 is fixed on the water outlet bucket 81, so that the on-off of the water outlet bucket 81 is controlled by the staff through the water solenoid valve 82. The water outlet pipe 83 is in a circular pipe shape and is arranged obliquely, the upper end of the water outlet pipe 83 is in threaded connection with one end of the water outlet bucket 81 far away from the box body 1, and as shown in the combined figure 5, a sealing adhesive tape 831 is wound at the threaded connection position of the water outlet pipe 83 and the water outlet bucket 81. By arranging the sealing adhesive tape 831, the gap at the threaded connection position of the water outlet pipe 83 and the water outlet bucket 81 is fully filled, so that the possibility of leakage of water flow from the gap at the connection position of the water outlet pipe 83 and the water outlet bucket 81 is reduced, and the connection sealing property between the water outlet pipe 83 and the water outlet bucket 81 is improved. By arranging the drainage assembly 8, after the operator cleans the filter screen 4 (see fig. 3), in order to prevent the water level at the bottom of the box 1 from being too high and being discharged from the smoke inlet pipe 11 or the smoke outlet pipe 12, the operator only needs to open the electromagnetic valve, so that the water outlet bucket 81 is communicated, and the water at the bottom of the box 1 enters the water outlet pipe 83 from the water outlet bucket 81 and is discharged from the water outlet pipe 83.

As shown in fig. 1 and 3, the inner bottom wall of the box 1 is disposed obliquely, the height of the inner bottom wall of the box 1 close to the smoke inlet pipe 11 is greater than the height of the inner bottom surface of the box 1 close to the smoke outlet pipe 12, and the inner bottom wall of the box 1 is provided with a drainage groove 15 with a V-shaped cross section, the drainage groove 15 is communicated with the upper end of the water outlet bucket 81, so that water and dust at the bottom of the box 1 can move to the smoke outlet pipe 12, and the sewage and settled dust can enter the water outlet bucket 81 along the drainage groove 15 and be discharged from the water outlet pipe 83. The bottom of filter screen 4 is the V-arrangement, and the bottom surface of filter screen 4 both sides is laminated with the inner diapire of drainage groove 15 both sides respectively to this makes the flue gas through box 1 can be adsorbed by filter screen 4 completely, makes the performance of the clean gas of filter screen 4 obtain full play.

As shown in fig. 1, a reinforcing assembly 9 is installed at the bottom of the smoke outlet pipe 12, and the reinforcing assembly 9 includes a fixing rod 91 and a fixing ring 92. The fixing rod 91 is vertically arranged, and the upper end thereof is fixed with the arc surface at the bottom of the smoke outlet pipeline 12. The fixing ring 92 is in a circular ring shape, the fixing ring is sleeved on the outer side of the water outlet pipe 83, the arc-shaped surface of the top of the fixing ring 92 is fixed to the lower end of the fixing rod 91, and the fixing rod 91 and the fixing ring 92 are arranged, so that the water outlet pipe 83 is well reinforced, and the stability of the water outlet pipe in the water drainage process is enhanced.

The implementation principle of the embodiment is as follows: set up guiding gutter 7 at filter screen 4 top to set up infiltration hole 71 in guiding gutter 7 bottom, the staff adds water through filler pipe 22 and can wash filter screen 4, makes filter screen 4 can dredge with this, thereby makes the flue gas can fast pass through filter screen 4, is favorable to fume extractor to carry out quick smoke evacuation.

When the intelligent automatic smoke prevention and exhaust device in the scheme is in a fire disaster, the smoke alarm 14 detects that a large amount of smoke is contained indoors and gives an alarm, at the moment, the controller 122 controls the exhaust fan 121 to work, the exhaust fan 121 pumps the smoke into the box body 1 along the smoke inlet pipeline 11, the smoke is filtered through the filter screen 4, the content of harmful gas in the smoke is reduced, a good smoke purification effect is achieved, and the purified gas is discharged outdoors from the smoke outlet pipeline 12. For the probability that reduces dust and block up filter screen 4, the staff only need follow filler pipe 22 to box 1 in add water can, at the in-process that adds water, water oozes from infiltration hole 71 of guiding gutter 7 bottom, and the rivers that ooze down then wash filter screen 4 to this makes the dust in the mesh of filter screen 4 washed box 1 bottom, thereby has reduced filter screen 4 and has taken place the possibility of blockking up. By arranging the drainage assembly 8, after the operator cleans the filter screen 4, in order to prevent the water level at the bottom of the box body 1 from being too high and being discharged from the smoke inlet pipe 11 or the smoke outlet pipe 12, the operator only needs to open the electromagnetic valve, so that the water outlet hopper 81 is communicated, and the water at the bottom of the box body 1 enters the water outlet pipe 83 from the water outlet hopper 81 and is discharged from the water outlet pipe 83.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides an intelligent automatic smoke protection and exhaust device, includes box (1), advances tobacco pipe way (11) fixed and the intercommunication with the one end of box (1), goes out tobacco pipe way (12) fixed and the intercommunication with the other end of box (1), is located filter screen (4) of box (1) and keeps away from air exhauster (121) that box (1) one end is fixed and the intercommunication with a tobacco pipe way (12), its characterized in that: the open-top of box (1), apron (2) are installed at box (1) top, run through on apron (2) and be equipped with filler pipe (22), install in box (1) and laminate and fixed guiding gutter (7) with the bottom surface of apron (2), filler pipe (22) lower extreme extends to in guiding gutter (7), guiding gutter (7) both ends are closed, a plurality of infiltration holes (71) have evenly been seted up to guiding gutter (7) bottom, just the bottom surface and the laminating of filter screen (4) upper surface of guiding gutter (7).

2. The intelligent automatic smoke prevention and exhaust device according to claim 1, wherein: the side wall of the box body (1) below the smoke outlet pipeline (12) is provided with a drainage component (8), and the drainage component (8) comprises a water outlet hopper (81) which is fixed and communicated with the side wall of the box body (1) at a position close to the bottom of the box body, a water electromagnetic valve (82) which is fixed on the water outlet hopper (81) and used for controlling the on-off of the water electromagnetic valve, and a water outlet pipe (83) which is in threaded connection with one end, far away from the box body (1), of the water outlet hopper (81).

3. The intelligent automatic smoke prevention and exhaust device according to claim 2, wherein: and a sealing adhesive tape (831) for preventing water from seeping out from the threaded connection part of the water outlet hopper (81) and the water outlet pipe (83) is wound at the threaded connection part of the water outlet hopper (81) and the water outlet pipe (83).

4. The intelligent automatic smoke prevention and exhaust device according to claim 2, wherein: the water outlet pipe (83) is obliquely arranged.

5. The intelligent automatic smoke prevention and exhaust device according to claim 2, wherein: go out tobacco pipe (12) bottom and install reinforcement subassembly (9) that are used for strengthening outlet pipe (83), reinforcement subassembly (9) include with the fixed pole (91) of the bottom arc surface mounting of tobacco pipe (12) and with fixed ring (92) of fixed pole (91) lower extreme fixed, outlet pipe (83) outside is located to fixed ring (92) cover.

6. The intelligent automatic smoke prevention and exhaust device according to claim 2, wherein: the inner bottom wall of the box body (1) is obliquely arranged, the height of one side, close to the smoke inlet pipeline (11), of the inner bottom surface of the box body (1) is larger than the height of one side, close to the smoke outlet pipeline (12), of the inner bottom surface of the box body (1), a drainage groove (15) with a V-shaped cross section is formed in the inner bottom wall of the box body (1), and one end, far away from the smoke inlet pipeline (11), of the drainage groove (15) is communicated with one end, far away from the water outlet pipe (83), of the water outlet hopper (81).

7. The intelligent automatic smoke prevention and exhaust device according to claim 6, wherein: the bottom of the filter screen (4) is V-shaped, and the bottom surfaces of the two sides of the filter screen (4) are respectively attached to the inner bottom walls of the two sides of the drainage groove (15).

8. The intelligent automatic smoke prevention and exhaust device according to claim 1, wherein: the box body (1) and the cover plate (2) are jointly provided with a sealing component (5) for sealing the cover plate (2) and the box body (1) and a fixing component (6) for fixing the cover plate (2) and the box body (1), the sealing component (5) comprises a splicing groove (51) arranged on the top surface of the box body (1), a U-shaped rubber sheet (52) which is attached and fixed with the inner side wall of the splicing groove (51), and an insertion plate (53) which is fixed on the bottom surface of the cover plate (2) and is tightly abutted against the inner side walls on the two sides of the U-shaped rubber sheet (52), the fixing component (6) comprises a bolt (61) which penetrates through the cover plate (2), a through hole (62) which is arranged on the cover plate (2) and through which the bolt (61) passes, and a threaded hole (63) which is arranged at the top of the box body (1) and is in threaded connection with the bolt (61), and a sealing ring (21) is fixed on the upper surface of the cover plate (2) close to the through hole (62).

9. The intelligent automatic smoke prevention and exhaust device according to claim 1, wherein: the smoke alarm device is characterized in that a smoke alarm (14) is fixed to the bottom of the box body (1), a controller (122) used for controlling opening and closing of an exhaust fan (121) is fixed to the smoke outlet pipeline (12), and the smoke alarm device (14) is electrically connected with the controller (122).

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