CN114419833B - Dustproof smoke alarm equipment for large warehouse - Google Patents
Dustproof smoke alarm equipment for large warehouse Download PDFInfo
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- CN114419833B CN114419833B CN202210086887.5A CN202210086887A CN114419833B CN 114419833 B CN114419833 B CN 114419833B CN 202210086887 A CN202210086887 A CN 202210086887A CN 114419833 B CN114419833 B CN 114419833B
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- circular ring
- brush
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- 239000000779 smoke Substances 0.000 title claims abstract description 76
- 239000000523 sample Substances 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000000428 dust Substances 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 210000004209 hair Anatomy 0.000 claims description 24
- 238000010521 absorption reaction Methods 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 12
- 230000004044 response Effects 0.000 abstract description 10
- 230000000630 rising effect Effects 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 230000007480 spreading Effects 0.000 description 7
- 238000003892 spreading Methods 0.000 description 7
- 238000004898 kneading Methods 0.000 description 6
- 238000007664 blowing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The invention belongs to the technical field of smoke alarms, in particular to dustproof smoke alarm equipment for a large warehouse, which comprises a shell and a probe arranged in the shell; a group of vent holes communicated with the probe are uniformly distributed on the circumference of the bottom of the shell; the bottom of the shell is provided with a circular ring, and the bottom of the circular ring is fixedly connected with an umbrella-shaped drainage cover; when the smoke alarm device works, the smoke alarm device in the warehouse is often arranged on the steel truss at the top in the prior art, but due to the fact that the net height in the warehouse is higher, when cargoes stored on a shelf in the warehouse are burnt and smoke is generated, the smoke is continuously diffused after rising, the concentration of the smoke is further reduced, delay is generated after a probe detects a smoke message, and the response sensitivity of the fire disaster of alarm equipment is reduced; at the moment, the smoke is converged and drained through the drainage cover, so that the efficiency of the smoke entering the shell is improved, the sensitivity of the probe to the smoke in a small range is further improved, early warning is further sent out in time in the early stage of fire, the extinguishing efficiency of the fire is improved, and the loss is reduced.
Description
Technical Field
The invention belongs to the technical field of smoke alarms, and particularly relates to dustproof smoke alarm equipment for a large warehouse.
Background
The principle of the smoke alarm is that the smoke alarm detects smoke through the alarm unit in the smoke alarm, and the smoke detector can make the internal buzzer sound, so that a user is warned to extinguish fire in time, and fire loss is reduced.
One chinese patent with publication number CN107093307B discloses a miniature smoke alarm, including base and lid that moves along base axial, the lateral wall of lid is provided with the cigarette inlet that supplies smog to get into detection portion, be provided with between lid and the base and keep away from the elastic part of base through elastic action drive lid, be provided with the spacing portion that breaks away from on limiting cover follow the base through the butt effect between lid and the base, be provided with on the one side of control circuit board towards the base and trigger through the removal of lid to the base direction first button, the test and the stop of first button control smoke alarm, detection portion and sounding part are connected with the power electricity in the base.
In the prior art, a smoke alarm device is often installed on a steel truss at the top of a warehouse, but due to the fact that the net height in the warehouse is higher, when cargoes stored on a shelf in the warehouse are burnt and smoke is generated, the smoke is continuously diffused after rising, the concentration of the smoke is further reduced, delay is generated after a probe detects smoke information, and the response sensitivity of a fire disaster of alarm equipment is reduced.
Therefore, the invention provides dustproof smoke alarm equipment for a large warehouse.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to dustproof smoke alarm equipment for a large warehouse, which comprises a shell and a probe arranged in the shell; a group of vent holes communicated with the probe are uniformly distributed on the circumference of the bottom of the shell; the bottom of the shell is provided with a circular ring, and the bottom of the circular ring is fixedly connected with an umbrella-shaped drainage cover; when the smoke alarm device works, the smoke alarm device in the warehouse is often arranged on the steel truss at the top in the prior art, but due to the fact that the net height in the warehouse is higher, when cargoes stored on a shelf in the warehouse are burnt and smoke is generated, the smoke is continuously diffused after rising, the concentration of the smoke is further reduced, delay is generated after a probe detects a smoke message, and the response sensitivity of the fire disaster of alarm equipment is reduced; at the moment, the smoke is converged and drained through the drainage cover, so that the efficiency of the smoke entering the shell is improved, the sensitivity of the probe to the smoke in a small range is further improved, early warning is further sent out in time in the early stage of fire, the extinguishing efficiency of the fire is improved, and the loss is reduced.
Preferably, a group of pull ropes are uniformly distributed on the circumference of the bottom of the drainage cover, one end of each pull rope is connected with the drainage cover, and the other end of each pull rope penetrates through the shell and extends into the shell; a winding roller is rotatably connected to the position, corresponding to the pull rope, in the shell, and is driven to rotate by an electric motor; the end part of the pull rope is wound on the winding roller; through the wind-up roll rotation and release stay cord for the stay cord drives ring and drainage cover and drops to the goods shelves top in the warehouse, and then the smog that produces when making goods catch fire on the goods shelves is collected by the drainage cover, reduces smog by blowing off reduce concentration, makes smog through the collection of drainage cover after the ring spiral rise and get into inside the casing through the ventilation hole, increases alarm device's response speed for extinguishing efficiency.
Preferably, a group of brush bars are uniformly distributed on the circumference of the position, corresponding to the vent holes, of the top of the circular ring, and a group of brush hair is uniformly distributed on the periphery of the brush bars; the top end of the brush rod is bent towards the direction close to the axis of the circular ring; when the pull rope is wound and lifted through the wind-up roller, the pull rope drives the circular ring to ascend and prop against the bottom of the shell, meanwhile, the brush rod at the top of the circular ring penetrates through the vent hole and is inserted into the shell, and the brush hair is matched to clean dust deposited in the shell, so that false alarm of the probe caused by that the dust deposited in the shell is blown by strong wind is reduced.
Preferably, the drainage cover comprises a group of fixed plates which are uniformly distributed at intervals on the circumference, flexible sector plates are arranged between adjacent fixed plates, the tops of the sector plates are fixedly connected with the circular ring, and iron powder is inlaid in the sector plates; the two sides of the fan-shaped disc are overlapped with the fixed plate in a staggered way; magnetic strips are fixedly connected to the positions, corresponding to the fan-shaped discs, of the two sides of the fixing plate; the bottom end of the pull rope is fixedly connected with the position, close to the circular ring, of the inner periphery of the fan-shaped disc after bypassing the lower edge of the fan-shaped disc; a wedge-shaped cavity is formed in the fan-shaped disc, the brush rod is elastic, a first hole is formed in the brush rod, and the first hole is communicated with the wedge-shaped cavity through a second hole formed in the circular ring; after upwards pulling the drainage cover through the stay cord, the ring supports the casing bottom, and later the stay cord continues to rise for the stay cord drives fan-shaped dish rolling and extrudees, makes the compressed air that produces in the wedge chamber fill in the hole No. one through No. two holes, makes the brush-holder stud expansion that stretches into in the casing, further increases the brush-holder stud and rubs dust removal efficiency to shells inner wall, and the brush-holder stud after the expansion increases the cleaning coverage of brush hair simultaneously, further reduces the influence of dust in the casing to alarm device sensitivity and stability.
Preferably, the periphery of the brush rod is sleeved with a contractible elastic water absorption layer, and the brush hair penetrates through the water absorption layer and is fixedly connected with the brush rod; an elastic cover is sleeved at the position of the brush rod close to the root part, and the lower edge of the elastic cover is connected with the end face of the circular ring in a sealing way; the brush rod penetrates through the elastic cover and is connected with the elastic cover in a sliding manner; the elastic cover is filled with sponge, and absolute ethyl alcohol is immersed in the sponge; in-process that is close to and supports tight casing bottom through the ring, the elastic cover receives extrusion deformation for the absolute ethyl alcohol is extruded after its inside sponge is pressed, and absolute ethyl alcohol overflows through the gap between elastic cover and the brush-holder stud, and then absolute ethyl alcohol continuously spreads in the water absorption layer, makes the water absorption layer moist, and then further increases the water absorption layer and catches efficiency to the wiping of dry dust, reduces the raise dust, and then the false alarm that the raise dust arouses when reducing the clearance shells inner wall.
Preferably, the diameter of one end of the brush rod far away from the disc is gradually increased, and the wall thickness of the first hole is uniform; the first hole is filled with a group of steel balls, an arc-shaped groove is formed in the side face of each steel ball, and the diameter of each steel ball is between the maximum diameter and the minimum diameter of the first hole; the diameter of one end of the brush rod, which is far away from the disc, is gradually increased, so that the end of the brush rod is inserted into the shell and then is expanded and converged, the expanded end of the brush rod is mutually extruded and then is increased in height to contact with the probe, the wiping and cleaning effects of a water absorption layer on the brush rod on the probe are increased, the normal operation of the alarm device is further ensured, and the vibration kneading and dust removing efficiency of the brush rod is increased when the steel ball rolls.
Preferably, the water absorbing layer is fixedly connected with an annular elastic strip at the position close to the bristles, one side of the elastic strip, far away from the water absorbing layer, is provided with an opening bristle, and is fixedly connected with an arc-shaped elastic rod, and the end part of the elastic rod penetrates through the elastic strip and extends to the inner periphery of the elastic strip; a group of limit balls are uniformly distributed at the position of the elastic rod, which is close to the free end, and the diameter of the limit ball at the end part of the elastic rod is larger than that of other limit balls; when the brush rod is inserted into the vent hole, the brush hair continuously bends and rebounds along with the brush rod when passing through the vent hole, so that the root of the brush hair continuously swings, and then the elastic rod is driven to continuously stretch, the reciprocating motion of the elastic rod drives the limiting ball to continuously penetrate through the elastic strip, and when the limiting ball extrudes and strokes through the through hole formed in the elastic strip, the limiting ball drives the elastic strip to continuously break, combine and creep, so that the elastic strip wraps and stores part of dust, and the dissipation of dust in the shell is further reduced.
Preferably, the brush hair is sleeved with a slip ring, and the slip ring is in sliding connection with the brush hair; the side surface of the slip ring is provided with a through groove, an elastic clamping ring with an opening is arranged in the through groove, and the clamping ring is embedded in the through groove and surrounds the brush hair; the position of the clamping ring away from the brush rod is adjusted, the reciprocating movement distance of the elastic rod is adjusted, the opening size of the elastic strip is further adjusted, and the storage effect of the elastic strip on mud strips with different diameters formed by kneading the water absorption layer is further improved.
Preferably, two sides of one end of the pull rope, which is close to the fan-shaped disc, are fixedly connected with foldable wings, and a group of elastic umbrella ribs are embedded in the wings; the spreading wings are spread under the drive of the umbrella ribs after being led out by the wind-up roller through the pull ropes, so that a wind-shielding wall is formed, smoke is reduced to be blown away by crosswind when passing through the space between the circular ring and the shell, meanwhile, the spreading wings are arranged at one end of the pull ropes close to the fan-shaped disc, so that the spreading wings do not exist at the position close to the shell when the pull ropes are completely released, the blocking of the smoke flowing from other parts at the top of the warehouse is reduced, and the sensing area of the probe is further increased.
Preferably, flexible magnetic strips are arranged on the outer edges of the extending wings, and the magnetic strips fixedly connected on the extending wings between adjacent pull ropes are attracted mutually; the magnetic strips are attracted mutually, so that the tightness of the cylinder formed by surrounding after the unfolding span is further increased, the dissipation of smoke floating out of the circular ring is further reduced, and the response speed of the alarm device is increased.
The beneficial effects of the invention are as follows:
1. According to the dustproof smoke alarm equipment for the large warehouse, disclosed by the invention, the smoke is converged and drained through the drainage cover, so that the efficiency of entering the shell by the smoke is increased, the sensitivity of the probe to the smoke in a small range is further increased, early warning is further sent out in time in the early stage of a fire disaster, the extinguishing efficiency of the fire disaster is increased, and the loss is reduced.
2. According to the dustproof smoke alarm equipment for the large warehouse, the winding roller rotates and releases the pull rope, so that the pull rope drives the circular ring and the drainage cover to drop to the top of a goods shelf in the warehouse, smoke generated when goods on the goods shelf catch fire is collected by the drainage cover, the concentration of the smoke is reduced by blowing off, the smoke is enabled to rise through the circular ring spiral after being collected by the drainage cover and enter the inside of the shell through the ventilation hole, the response speed of the alarm equipment is increased, and the fire extinguishing efficiency is accelerated.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG.1 is an isometric view of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a cross-sectional view of a ring and sector plate of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a perspective view of a slip ring in the present invention;
FIG. 6 is a cross-sectional view of the housing of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at B;
FIG. 8 is a view in the direction C of FIG. 7;
in the figure: the device comprises a shell 1, a probe 11, a vent hole 12, a circular ring 13, a drainage cover 14, a pull rope 15, a winding roller 16, a brush rod 17, brush hairs 18, a fixed plate 2, a fan-shaped disc 21, a magnetic strip 22, a wedge-shaped cavity 24, a first hole 25, a second hole 26, a water absorbing layer 27, an elastic cover 28, a steel ball 29, an elastic strip 3, an elastic rod 31, a limit ball 32, a slip ring 33, a through groove 34, a clamping ring 35, a spreading wing 36, umbrella ribs 37 and a magnetic stripe 38.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1 to 2, a dustproof smoke alarm apparatus for a large warehouse according to an embodiment of the present invention includes a housing 1 and a probe 11 disposed in the housing 1; a group of vent holes 12 communicated with the probe 11 are uniformly distributed on the circumference of the bottom of the shell 1; the bottom of the shell 1 is provided with a circular ring 13, and the bottom of the circular ring 13 is fixedly connected with an umbrella-shaped drainage cover 14; when the smoke alarm device works, the smoke alarm device in the warehouse is often arranged on a steel truss at the top in the prior art, but due to the fact that the net height in the warehouse is higher, when cargoes stored on a shelf in the warehouse are burnt and smoke is generated, the smoke is continuously diffused after rising, the concentration of the smoke is further reduced, delay is generated after the probe 11 detects smoke information, and the response sensitivity of the fire disaster of alarm equipment is reduced; at the moment, the smoke is gathered and guided by the drainage cover 14, so that the efficiency of the smoke entering the shell 1 is improved, the sensitivity of the probe 11 to the smoke in a small range is further improved, early warning is further sent out in time in the early stage of fire, the extinguishing efficiency of the fire is improved, and the loss is reduced.
As shown in fig. 6, a group of pull ropes 15 are uniformly distributed on the circumference of the bottom of the drainage cover 14, one end of each pull rope 15 is connected with the drainage cover 14, and the other end of each pull rope penetrates through the shell 1 and extends into the shell 1; a winding roller 16 is rotatably connected to a position corresponding to the pull rope 15 in the shell 1, and the winding roller 16 is driven to rotate by an electric motor; the end part of the pull rope 15 is wound on the winding roller 16; the winding roller 16 rotates and releases the pull rope 15, so that the pull rope 15 drives the circular ring 13 and the drainage cover 14 to drop to the top of a goods shelf in a warehouse, and then smoke generated when goods on the goods shelf catch fire is collected by the drainage cover 14, the concentration of the smoke is reduced by blowing off, the smoke is enabled to rise through the circular ring 13 after being collected by the drainage cover 14 and enter the shell 1 through the vent hole 12, the response speed of alarm equipment is increased, and the fire extinguishing efficiency is accelerated.
As shown in fig. 3, a group of brush bars 17 are circumferentially and uniformly distributed at the top of the circular ring 13 and at the position corresponding to the vent holes 12, and a group of bristles 18 are circumferentially and uniformly distributed at the periphery of the brush bars 17; the top end of the brush rod 17 is bent towards the direction close to the axis of the circular ring 13; when the pull rope 15 is wound and pulled by the winding roller 16, the pull rope 15 drives the circular ring 13 to ascend and prop against the bottom of the shell 1, meanwhile, the brush rod 17 at the top of the circular ring 13 penetrates through the vent hole 12 and is inserted into the shell 1, and the brush hair 18 is matched to clean dust deposited in the shell 1, so that false alarm of the probe 11 caused by that the dust deposited in the shell 1 is blown by strong wind is reduced.
The drainage cover 14 comprises a group of fixed plates 2 which are uniformly distributed at intervals on the circumference, flexible sector plates 21 are arranged between adjacent fixed plates 2, the top of each sector plate 21 is fixedly connected with the circular ring 13, and iron powder is embedded in each sector plate 21; the two sides of the fan-shaped disc 21 are overlapped with the fixed plate 2 in a staggered way; magnetic strips 22 are fixedly connected to the two sides of the fixed plate 2 at positions corresponding to the sector plates 21; the bottom end of the pull rope 15 is fixedly connected with the position, close to the circular ring 13, of the inner periphery of the fan-shaped disc 21 after bypassing the lower edge of the fan-shaped disc 21; a wedge-shaped cavity 24 is formed in the fan-shaped disc 21, the brush rod 17 is elastic, a first hole 25 is formed in the brush rod 17, and the first hole 25 is communicated with the wedge-shaped cavity 24 through a second hole 26 formed in the circular ring 13; after the drainage cover 14 is pulled upwards through the pull rope 15, the circular ring 13 butts against the bottom of the shell 1, and then the pull rope 15 continuously rises, so that the pull rope 15 drives the fan-shaped disc 21 to roll and squeeze, compressed air generated in the wedge-shaped cavity 24 is filled into the first hole 25 through the second hole 26, the brush rod 17 stretching into the shell 1 is expanded, the rubbing and dust removing efficiency of the expanded brush rod 17 on the inner wall of the shell 1 is further improved, meanwhile, the cleaning coverage of the bristles 18 is enlarged by the expanded brush rod 17, and the influence of dust in the shell 1 on the sensitivity and stability of alarm equipment is further reduced.
As shown in fig. 4, the outer circumference of the brush rod 17 is sleeved with a contractible elastic water-absorbing layer 27, and the brush hair 18 penetrates through the water-absorbing layer 27 and then is fixedly connected with the brush rod 17; an elastic cover 28 is sleeved at the position of the brush rod 17 close to the root, and the lower edge of the elastic cover 28 is connected with the end face of the circular ring 13 in a sealing way; the brush bar 17 penetrates through the elastic cover 28 and is connected with the elastic cover 28 in a sliding manner; the elastic cover 28 is filled with sponge, and the sponge is immersed with absolute ethyl alcohol; in the process that the circular ring 13 approaches to and abuts against the bottom of the shell 1, the elastic cover 28 is extruded to deform, so that the sponge in the elastic cover is pressed and then is extruded to form absolute ethyl alcohol, the absolute ethyl alcohol overflows through a gap between the elastic cover 28 and the brush rod 17, and then the absolute ethyl alcohol continuously spreads in the water absorption layer 27, so that the water absorption layer 27 is wet, the wiping and capturing efficiency of the water absorption layer 27 on dry dust is further improved, dust emission is reduced, and false alarm caused by dust emission during cleaning of the inner wall of the shell 1 is reduced.
The diameter of one end of the brush rod 17 far away from the disc is gradually increased, and the wall thickness of the first hole 25 is uniform; a group of steel balls 29 are filled in the first hole 25, arc grooves are formed in the side surfaces of the steel balls 29, and the diameter of the steel balls 29 is between the maximum diameter and the minimum diameter of the first hole 25; the diameter of one end, far away from the disc, of the brush rod 17 is gradually increased, so that the end part of the brush rod 17 is inserted into the shell 1 and then is expanded and converged, the expanded end part of the brush rod 17 is mutually extruded and then is increased in height to contact with the probe 11, the wiping and cleaning effects of the water absorption layer 27 on the brush rod 17 on the probe 11 are increased, the normal operation of alarm equipment is further ensured, and the vibration kneading and dust removing efficiency of the brush rod 17 is increased when the steel ball 29 rolls.
The water absorbing layer 27 is fixedly connected with an annular elastic strip 3 at a position close to the bristles 18, one side of the elastic strip 3, far away from the water absorbing layer 27, is provided with an opening bristle 18, and is fixedly connected with an arc-shaped elastic rod 31, and the end part of the elastic rod 31 penetrates through the elastic strip 3 and extends to the inner periphery of the elastic strip 3; a group of limit balls 32 are uniformly distributed at the position of the elastic rod 31 close to the free end, and the diameter of the limit balls 32 positioned at the end part of the elastic rod 31 is larger than that of other limit balls 32; when the brush rod 17 is inserted into the vent hole 12, the brush hair 18 continuously bends and rebounds along with the brush rod 17 when passing through the vent hole 12, so that the root of the brush hair 18 continuously swings to drive the elastic rod 31 to continuously stretch, the reciprocating motion of the elastic rod 31 drives the limiting ball 32 to continuously penetrate through the elastic strip 3, and when the limiting ball 32 extrudes and strokes through the through hole formed in the elastic strip 3, the limiting ball 32 drives the elastic strip 3 to continuously break and merge to creep, so that the elastic strip 3 wraps and stores part of dust, and the dissipation of dust in the shell 1 is further reduced.
As shown in fig. 5, the brush hair 18 is sleeved with a slip ring 33, and the slip ring 33 is slidably connected with the brush hair 18; the side surface of the slip ring 33 is provided with a through groove 34, an elastic clamping ring 35 with an opening is arranged in the through groove 34, and the clamping ring 35 is embedded in the through groove 34 and surrounds the brush hair 18; by adjusting the position of the clamping ring 35 away from the brush rod 17, the reciprocating movement distance of the elastic rod 31 is adjusted, so that the opening size of the elastic strip 3 is adjusted, and the storage effect of the elastic strip 3 on mud strips with different diameters formed by kneading the water absorption layer 27 is further improved.
Example two
As shown in fig. 7 to 8, a comparative example one in which another embodiment of the present invention is:
The two sides of one end of the pull rope 15, which is close to the fan-shaped disc 21, are fixedly connected with foldable wings 36, and a group of elastic umbrella ribs 37 are embedded in the wings 36; the spreading wings 36 are spread under the drive of the umbrella ribs 37 after the pull ropes 15 are led out of the wind-up roller 16, so that a wind-proof wall is formed, the smoke is blown away by crosswind when passing through the space between the circular ring 13 and the shell 1, and meanwhile, the spreading wings 36 are arranged at one end of the pull ropes 15 close to the fan-shaped disc 21, so that the spreading wings 36 do not exist at the position close to the shell 1 when the pull ropes 15 are completely released, the blocking of the smoke drifting on other parts of the top of a warehouse is reduced, and the sensing area of the probe 11 is further increased.
The outer edges of the extending wings 36 are provided with flexible magnetic strips 38, and the magnetic strips 38 fixedly connected on the extending wings 36 between the adjacent pull ropes 15 are mutually attracted; the magnetic strips 22 attract each other, so that the tightness of the cylinder formed by the unfolded wings 36 is further improved, the dissipation of smoke floating out of the circular ring 13 is further reduced, and the response speed of the alarm device is increased.
When the smoke-extinguishing device works, the smoke is converged and drained through the drainage cover 14, so that the efficiency of entering the shell 1 by the smoke is improved, the sensitivity of the probe 11 to the smoke in a small range is further improved, early warning is further sent out in time in the early stage of a fire disaster, the extinguishing efficiency of the fire disaster is improved, and the loss is reduced; the winding roller 16 rotates and releases the pull rope 15, so that the pull rope 15 drives the circular ring 13 and the drainage cover 14 to drop to the top of a goods shelf in the warehouse, and further, smoke generated when goods on the goods shelf catch fire is collected by the drainage cover 14, the smoke is blown off to reduce concentration, the smoke is enabled to rise through the circular ring 13 after being collected by the drainage cover 14 and enter the shell 1 through the vent hole 12 in a spiral manner, the response speed of alarm equipment is increased, and the fire extinguishing efficiency is accelerated; When the pull rope 15 is wound and pulled by the winding roller 16, the pull rope 15 drives the circular ring 13 to ascend and prop against the bottom of the shell 1, meanwhile, the brush rod 17 at the top of the circular ring 13 penetrates through the vent hole 12 and is inserted into the shell 1, and the brush hair 18 is matched to clean dust deposited in the shell 1, so that false alarm of the probe 11 caused by that the dust deposited in the shell 1 is blown by strong wind is reduced; after the drainage cover 14 is pulled upwards through the pull rope 15, the circular ring 13 butts against the bottom of the shell 1, and then the pull rope 15 continuously rises, so that the pull rope 15 drives the fan-shaped disc 21 to roll and squeeze, compressed air generated in the wedge-shaped cavity 24 is filled into the first hole 25 through the second hole 26, the brush rod 17 extending into the shell 1 is expanded, the rubbing and dust removing efficiency of the expanded brush rod 17 on the inner wall of the shell 1 is further improved, meanwhile, the cleaning coverage of the bristles 18 is enlarged by the expanded brush rod 17, and the influence of dust in the shell 1 on the sensitivity and stability of alarm equipment is further reduced; In the process that the circular ring 13 approaches and abuts against the bottom of the shell 1, the elastic cover 28 is extruded and deformed, so that the sponge in the elastic cover is pressed and then is extruded to be overflowed through a gap between the elastic cover 28 and the brush rod 17, and then the absolute ethyl alcohol continuously spreads in the water absorbing layer 27, so that the water absorbing layer 27 is wet, the wiping and capturing efficiency of the water absorbing layer 27 on dry dust is further improved, dust emission is reduced, and false alarm caused by dust emission during cleaning of the inner wall of the shell 1 is reduced; the diameter of one end, far away from the disc, of the brush rod 17 is gradually increased, so that the end part of the brush rod 17 is inserted into the shell 1 and then is expanded and converged, the end parts of the expanded brush rod 17 are mutually extruded and then are increased in height to contact with the probe 11, the wiping and cleaning effects of the water absorption layer 27 on the brush rod 17 on the probe 11 are improved, the normal operation of alarm equipment is further ensured, and the vibration kneading and dust removing efficiency of the brush rod 17 is improved when the steel balls 29 roll; When the brush rod 17 is inserted into the vent hole 12, the brush hair 18 continuously bends and rebounds along with the brush rod 17 passing through the vent hole 12, so that the root of the brush hair 18 continuously swings to drive the elastic rod 31 to continuously stretch, the reciprocating motion of the elastic rod 31 drives the limiting ball 32 to continuously penetrate through the elastic strip 3, and when the limiting ball 32 extrudes and strokes through the through hole formed in the elastic strip 3, the limiting ball 32 drives the elastic strip 3 to continuously break and creep, so that the elastic strip 3 wraps and stores part of dust, and the dissipation of dust in the shell 1 is further reduced; by adjusting the position of the clamping ring 35 away from the brush rod 17, the reciprocating movement distance of the elastic rod 31 is adjusted, so that the opening size of the elastic strip 3 is adjusted, and the storage effect of the elastic strip 3 on mud strips with different diameters formed by kneading the water absorption layer 27 is further improved.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A dustproof smog alarm device for large-scale warehouse, its characterized in that: comprises a shell (1) and a probe (11) arranged in the shell (1); a group of vent holes (12) communicated with the probe (11) are uniformly distributed on the circumference of the bottom of the shell (1); the bottom of the shell (1) is provided with a circular ring (13), and the bottom of the circular ring (13) is fixedly connected with an umbrella-shaped drainage cover (14); a group of pull ropes (15) are uniformly distributed on the circumference of the bottom of the drainage cover (14), one end of each pull rope (15) is connected with the drainage cover (14), and the other end of each pull rope penetrates through the shell (1) and extends into the shell (1); a winding roller (16) is rotatably connected to the position, corresponding to the pull rope (15), in the shell (1), and the winding roller (16) is driven to rotate by an electric motor; the end part of the pull rope (15) is wound on the winding roller (16); a group of brush rods (17) are circumferentially and uniformly distributed at the top of the circular ring (13) and at the position corresponding to the vent holes (12), and a group of bristles (18) are circumferentially and uniformly distributed at the periphery of the brush rods (17); the top end of the brush rod (17) is bent towards the direction close to the axis of the circular ring (13); the drainage cover (14) comprises a group of fixed plates (2) which are uniformly distributed at intervals on the circumference, flexible sector plates (21) are arranged between the adjacent fixed plates (2), the top of each sector plate (21) is fixedly connected with the corresponding circular ring (13), and iron powder is embedded in each sector plate (21); the two sides of the fan-shaped disc (21) are overlapped with the fixed plate (2) in a staggered way; magnetic strips (22) are fixedly connected to the two sides of the fixed plate (2) at positions corresponding to the sector plates (21); the bottom end of the pull rope (15) bypasses the lower edge of the sector disc (21) and is fixedly connected with the inner periphery of the sector disc (21) at a position close to the circular ring (13); a wedge-shaped cavity (24) is formed in the fan-shaped disc (21), the brush rod (17) is elastic, a first hole (25) is formed in the brush rod (17), and the first hole (25) is communicated with the wedge-shaped cavity (24) through a second hole (26) formed in the circular ring (13); the periphery of the brush rod (17) is sleeved with a contractible elastic water absorption layer (27), and the brush hair (18) penetrates through the water absorption layer (27) and then is fixedly connected with the brush rod (17); an elastic cover (28) is sleeved at the position, close to the root, of the brush rod (17), and the lower edge of the elastic cover (28) is connected with the end face of the circular ring (13) in a sealing manner; the brush rod (17) penetrates through the elastic cover (28) and is connected with the elastic cover (28) in a sliding manner; the elastic cover (28) is filled with sponge, and the sponge is immersed with absolute ethyl alcohol.
2. A dust and smoke alarm apparatus for a large warehouse as set forth in claim 1, wherein: the diameter of one end, far away from the disc, of the brush rod (17) is gradually increased, and the wall thickness of the first hole (25) is uniform; a group of steel balls (29) are filled in the first hole (25), arc grooves are formed in the side faces of the steel balls (29), and the diameter of the steel balls (29) is between the maximum diameter and the minimum diameter of the first hole (25).
3. A dust and smoke alarm apparatus for a large warehouse as set forth in claim 1, wherein: the water absorption layer (27) is fixedly connected with an annular elastic strip (3) at a position close to the bristles (18), one side, far away from the water absorption layer (27), of the elastic strip (3) is provided with an opening bristle (18) and is fixedly connected with an arc-shaped elastic rod (31), and the end part of the elastic rod (31) penetrates through the elastic strip (3) and extends to the inner periphery of the elastic strip (3); a group of limiting balls (32) are uniformly distributed at the position, close to the free end, of the elastic rod (31), and the diameter of the limiting ball (32) at the end part of the elastic rod (31) is larger than that of other limiting balls (32).
4. A dust and smoke alarm apparatus for a large warehouse as set forth in claim 3, wherein: the brush hair (18) is sleeved with a slip ring (33), and the slip ring (33) is in sliding connection with the brush hair (18); a through groove (34) is formed in the side face of the slip ring (33), an elastic clamping ring (35) with an opening is arranged in the through groove (34), and the clamping ring (35) is embedded into the through groove (34) and surrounds the brush hair (18).
5. A dust and smoke alarm apparatus for a large warehouse as set forth in claim 1, wherein: the two sides of one end of the pull rope (15) close to the fan-shaped disc (21) are fixedly connected with foldable wings (36), and a group of elastic umbrella ribs (37) are embedded in the wings (36).
6. A dust and smoke alarm apparatus for a large warehouse as set forth in claim 5, wherein: the outer edges of the extending wings (36) are provided with flexible magnetic strips (38), and the magnetic strips (38) fixedly connected on the extending wings (36) between the adjacent pull ropes (15) are mutually attracted.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210086887.5A CN114419833B (en) | 2022-01-25 | 2022-01-25 | Dustproof smoke alarm equipment for large warehouse |
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| CN202210086887.5A CN114419833B (en) | 2022-01-25 | 2022-01-25 | Dustproof smoke alarm equipment for large warehouse |
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| CN114419833B true CN114419833B (en) | 2024-06-28 |
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