CN112991664B - Fire alarm's remote transmission device - Google Patents
Fire alarm's remote transmission device Download PDFInfo
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- CN112991664B CN112991664B CN202110342733.3A CN202110342733A CN112991664B CN 112991664 B CN112991664 B CN 112991664B CN 202110342733 A CN202110342733 A CN 202110342733A CN 112991664 B CN112991664 B CN 112991664B
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- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The invention relates to the technical field of fire fighting and discloses a remote transmission device for fire alarm, which comprises a lower box body, wherein an upper box body is arranged at the top of a hollowed part of the lower box body, a partition plate is fixedly connected with the inner wall of the joint of the lower box body and the upper box body together, a suction pump is fixedly arranged at the central position of the top of the partition plate, a smoke alarm is fixedly arranged at the central position of the top of the upper box body, and air suction holes distributed in an annular array are formed in the annular outer wall of the top of the upper box body. According to the remote transmission device for fire alarm, the lower box body moves directionally in a market, the suction pump sucks air in the market into the cavity of the lower box body through the air suction pipe, the suction cover and the air suction hole, the smoke alarm detects the air, and the data transmission device feeds back a detected signal to the background, so that the purpose of remotely transmitting the fire alarm is achieved.
Description
Technical Field
The invention relates to the technical field of fire fighting, in particular to a long-distance transmission device for fire alarm.
Background
A multi-station fixed-point fire prevention alarm device is often adopted in a large mall, and when a detection device detects that a fire breaks out, a just transmission device transmits dangerous models to a background and then carries out corresponding processing. The fire alarm remote transmission device in the prior art is generally fixedly arranged at the roof position of each layer of shopping mall, directional mobile monitoring cannot be carried out, and the fire alarm device in the prior art has single function and cannot filter, humidify and the like detected air, so that the fire alarm remote transmission device cannot meet the requirements of social development in the modern times. Therefore, in order to solve the above problems, it is necessary to provide a remote transmission device for fire alarm.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a long-distance transmission device for fire alarm.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a remote transmission device for fire alarm comprises a lower box body, wherein the lower box body is a hollow elliptic box body with a hollowed-out top, the bottom of the lower box body is a plane, an upper box body is arranged at the top of the hollowed-out part of the lower box body, the upper box body is a hollow sphere, the bottom of the upper box body is hollowed-out, the bottom of the hollowed-out part of the upper box body is fixedly arranged at the top of the hollowed-out part of the lower box body, a partition plate is fixedly connected with the inner wall of the joint of the lower box body and the upper box body together, a suction pump is fixedly arranged at the central position of the top of the partition plate, the input end of the suction pump is vertically upward, a smoke alarm is fixedly arranged at the central position of the top of the upper box body, suction holes distributed in an annular array are formed in the annular outer wall of the top of the upper box body, an outer filter cover in an annular state is fixedly arranged on the annular outer wall of the top of the upper box body, the suction cover is positioned in an outer filter cover cavity, and a suction cover in an annular state is fixedly arranged on the annular inner wall of the top of the upper box body, the air suction hole is positioned in the cavity of the suction hood, the air suction pipes distributed in an annular array are fixedly installed at the top of the input end of the upper box body, the air suction pipes are installed on the outer wall of the input end of the suction pump in an inclined state, one end, far away from the input end of the suction pump, of each air suction pipe is fixedly connected to the annular inner wall of the suction hood, a data transmission device is fixedly installed on the right side wall surface of the top of each partition plate, a detection probe of the smoke alarm extends into the cavity of the suction hood through a power supply lead, the output end of the suction pump vertically faces downwards, the output end of the suction pump penetrates through the partition plates, the output end of the suction pump extends into the cavity of the lower box body, a cavity filter device is arranged in the cavity of the lower box body and comprises an inner box, the inner box is a hollow spherical body, fixing rods which are uniformly distributed are fixedly installed on the spherical outer wall of the inner box, the other ends of the fixing rods are fixedly installed on the inner wall of the lower box body, and the output end of the suction pump is fixedly connected with an air guide pipe, the air duct is a C-shaped hollow tube body with the bottom in a horizontal state, the arc-shaped outer wall of the air duct is positioned on the left side of the inner box, the horizontal output end of the air duct extends into the cavity of the inner box, an air outlet tube inclined towards the right side is fixedly arranged at the center of the top of the inner box, the output end of the air outlet tube is positioned in the right side wall surface of the top of the lower box, an arc-shaped filter cover is fixedly arranged on the right side wall surface of the top of the output end of the air outlet tube and is in an arc-shaped convex state, a water guide tube is fixedly arranged on the right side wall surface of the top of the inner box, the input end of the water guide tube is fixedly arranged in the wall surface of the right side top of the lower box, a water tank with a hollowed-out top is fixedly arranged in the cavity of the inner box, the water tank is a hollow sphere, the bottom of the cavity of the water tank is a horizontal plane, flow retarding plates with equal intervals are fixedly connected together from the front to the back of the cavity of the water tank, the left end and the right end of the flow slowing plate are both in an arc state, the flow slowing plate is in a state that the horizontal length of the flow slowing plate is gradually increased from front to back in the cavity of the water tank and then gradually decreased, the flow slowing plate is provided with airflow grooves which are uniformly distributed from bottom to top, the airflow grooves are in a vertical state, a central groove which is bent in a downward arc shape is arranged on the horizontal bottom surface in the cavity of the water tank, the central groove is positioned at the central position of the horizontal bottom surface in the cavity of the water tank, the bottom in the cavity of the central groove is provided with a vertical downward sewage discharge hole, the bottom end of the inner tank is fixedly provided with a vertical downward sewage discharge pipe, the output end of the sewage discharge pipe penetrates through the bottom wall surface in the cavity of the lower tank body from top to bottom, the input end of the sewage discharge pipe is communicated with the sewage discharge hole from top to bottom, a filter cover is arranged in the cavity of the central groove, the filter cover is a hollow spherical body, filter holes which are uniformly distributed are arranged on the spherical outer wall of the filter cover, and a spherical inner filter screen is fixedly provided with a spherical inner filter screen, turn right from a left side and run through the left side wall of water tank bottom from a left side to the horizontal output of air duct, intercommunication groove A has been seted up on the left side wall face in the central vallecular cavity, the horizontal output of air duct stretches into at intercommunication groove A intracavity, filter mantle left side middle part fixed mounting has communicating pipe A, the right-hand member of communicating pipe A runs through the left side wall of filter mantle and communicates each other in communicating pipe A and the filter mantle intracavity, it is connected with the intercommunication cover to rotate on the right side wall of the horizontal output of air duct, the intercommunication cover is the hollow cylinder of left side fretwork, the left end of communicating pipe A stretches into in intercommunication groove A intracavity, and the left end fixed connection of communicating pipe A is on the right side wall of intercommunication cover, communicating pipe A is the state of mutual intercommunication through intercommunication cover and air duct.
Preferably, be located the air current groove both sides all set up the unhurried current groove that the air current groove communicates each other on the unhurried current inboard wall, unhurried current groove is the arc state of outside bending gradually from up down, and the unhurried current groove of air current groove both sides is crisscross state from top to bottom each other, all sets up vertical decurrent and inner wall diameter from the top down the guiding gutter that gradually increases on the unhurried current inboard wall of air current groove bottom.
Preferably, fixed mounting has the water pump on the horizontal bottom surface on water tank intracavity right side, the output fixedly connected with drainage pipe of water pump, drainage pipe's output runs through the right side wall of inner box, and drainage pipe's output stretches into the right side intracavity of box under, drainage pipe's output fixedly connected with bellows, the window has been seted up to the right side wall of box down, and be provided with curved apron on the wall of box right side window down, the pipe of intaking of the input fixedly connected with zigzag of water pump, the input of the pipe of intaking is located the wall of water tank right side surface of water bottom.
Preferably, the right side wall fixedly connected with communicating pipe B of filter mantle, the communicating groove B that corresponds each other with communicating pipe B position is seted up to the right side wall in the central groove intracavity, communicating pipe B's right-hand member passes through bearing movable mounting on communicating pipe B inner wall, the input of intake pipe is the state that the level was aimed at with communicating pipe B and communicating groove B, the left side wall of intake pipe input rotates and is connected with the intercommunication ring, the left end of intercommunication ring stretches into communicating groove B intracavity, and the left end of intercommunication ring and communicating pipe B's right-hand member fixed connection.
Preferably, the input intracavity of pipe of intaking is provided with the rotor plate, rotor plate outer wall fixed mounting has the dwang that is the ring array and distributes, the equal fixed mounting in one end that the rotor plate was kept away from to the dwang has spherical rotor ball, set up the rotation groove with the mutual block of rotor ball on the inner wall in the input intracavity of pipe of intaking, the rotation groove is the annular, the annular outer wall fixed mounting of rotor plate has evenly distributed's rivers flabellum, the rotor plate is close to the one end fixedly connected with transfer line of communicating pipe B, fixed mounting has the carrier bar that is vertical state on the one end inner wall of pipe of intaking is close to communicating pipe B, transfer line and carrier bar fixed connection, the through-hole that feeds through and run through about the bottom central point department of putting of inner strainer and filter mantle seted up, and the through-hole corresponds from top to bottom with the position of blowoff hole.
Preferably, a directional sewage discharging mechanism is arranged in the through hole cavity of the filter cover, the directional sewage discharging mechanism comprises a sewage guide plate, the sewage guide plate is an arc-shaped body with an upward conical shape, a permanent magnet B is fixedly arranged at the arc-shaped bottom of the sewage guide plate, vertical side plates facing downwards are fixedly arranged on the left end wall surface and the right end wall surface of the bottom of the permanent magnet B, a sliding sleeve is fixedly arranged on one side wall surface of each side plate away from the corresponding permanent magnet B, vertical telescopic grooves facing downwards are respectively arranged on the bottom wall surfaces of the filter cover positioned at the left side and the right side of the through hole at the bottom, vertical guide rods facing downwards are respectively fixedly arranged in the two telescopic grooves, the sliding sleeve is movably sleeved on the outer wall of each guide rod, a tension spring is further arranged on the outer wall surface of the top part in the cavity of each telescopic groove, and the tension spring is positioned above the sliding sleeve, and the bottom ends of the two guide rods are fixedly provided with limiting plates.
Preferably, the central plate is arranged in the middle of the inner part of the sewage drainage cavity, the left end and the right end of the central plate are both fixedly connected with central rods, the central plate is fixedly arranged at the central position in the sewage drainage cavity through the two central rods, and the top of the central plate is provided with an annular permanent magnet A.
Preferably, the central plate is provided with a balance rod which is vertically and movably penetrated through the central plate, the upper end and the lower end of the balance rod are fixedly provided with squeeze balls, and the outer walls of the upper side and the lower side of the balance rod are sleeved with balance springs.
Preferably, the annular permanent magnet A is fixedly arranged on the top wall surface of the central plate, and the magnetic pole of the permanent magnet A is opposite to that of the permanent magnet B.
(III) advantageous effects
Compared with the prior art, the invention provides a long-distance transmission device for fire alarm, which has the following beneficial effects:
1. according to the remote transmission device for fire alarm, the lower box body is directionally moved in a market, the suction pump sucks air in the market into the cavity of the lower box body through the air suction pipe, the suction cover and the air suction hole, when the air enters the suction cover, the smoke alarm detects the air, and a detected signal is fed back to the background through the data transmission device, so that the purpose of remotely transmitting the fire alarm is achieved.
2. According to the remote transmission device for fire alarm, air in a market is injected into the filter cover and the inner filter screen, the inner filter screen not only filters dust, particulate matters, suspended matters and other magazines in the air in the inner filter screen cavity, but also separates the air by the spherical inner filter screen, and the air is sucked into the inner filter screen to be separated into tiny bubbles, so that the air floatation, filtration and dust removal efficiency of the air is further improved, and the practicability and creativity of the remote transmission device are improved.
3. According to the remote transmission device for fire alarm, filtered air is divided into tiny bubbles for air floatation and dust removal, the air floatation bubbles after dust removal enter the airflow groove and the flow guide groove through the flow guide groove, and the bubbles floating in the airflow groove are continuously counteracted by the bubbles entering the flow guide groove, so that the effect of slowing down and reducing the floating of the bubbles is achieved, the time for soaking and filtering the bubbles in water is prolonged, the efficiency for cleaning and dust removal of the bubbles is improved, the contact time of the air and a water body is prolonged, the humidity of the air which overflows from the water surface can be correspondingly increased, and the filtered air with the increased humidity returns to a commercial place and is more suitable for people in the market to breathe.
4. According to the remote transmission device for fire alarm, when a fire disaster is detected by directionally moving the lower box body in a market, the telescopic hose in the cavity of the lower box body is taken out, the working switch of the water pump is turned on, and the water in the water tank cavity can be sprayed out through the telescopic hose, so that the effect of timely extinguishing the fire is realized.
5. According to the remote transmission device for fire alarm, when water in the water tank cavity is quickly pumped out through the water pump, pumped and flowing water flow drives the water flow fan blades to rotate, the rotating plate drives the rotating ball to rotate in the rotating groove through the rotating rod, the rotating plate drives the communicating pipe B to rotate through the transmission rod and the bearing rod, the communicating pipe B rotates to drive the filter cover to rotate, and the rotation of the filter cover prevents dirt, impurities and suspended matters in the inner filter screen cavity from blocking filter holes of the inner filter screen, so that the efficiency of filtering air by the inner filter screen and separating air into bubbles is improved, and the practicability of the remote transmission device is improved.
6. This fire alarm's remote transmission device, particulate matter and impurity etc. in the filter screen intracavity have down motion trend under the action of gravity including being filtered, when filter mantle and interior filter screen slowly rotate, when position corresponds about permanent magnet B and the pipe of intaking, make permanent magnet B drive under the magnetic force effect and lead dirty board down motion, make to see that particulate matter and impurity etc. in the filter screen intracavity leak into the blowdown hole through the through-hole in making, leak into in the blowdown hole again, played the purpose of concentrating and collecting dirt and impurity.
7. When the permanent magnet B moves downwards to be close to the permanent magnet A, the permanent magnet B presses the extrusion ball on the upper side downwards, so that the balance springs on the outer wall of the balance rod on the upper side are compressed, the balance springs on the outer wall of the balance rod on the lower side are gradually stretched, the balance states of the two balance springs are broken, the balance rods can continuously shake in the process of breaking the balance states of the two balance springs, the balance rods can generate up-and-down shaking force on the permanent magnet B and the dirt guide plate in the up-and-down shaking process, the dropping efficiency of impurities gathered on the arc-shaped outer wall of the dirt guide plate is accelerated, and the practicability and the creativity of the invention are further improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the invention at B of FIG. 3;
FIG. 5 is an enlarged view of the invention at C of FIG. 3;
FIG. 6 is an enlarged view of FIG. 5 at E in accordance with the present invention;
FIG. 7 is an enlarged view taken at D of FIG. 3 in accordance with the present invention;
FIG. 8 is a top partial cross-sectional view of the inner box of the present invention.
In the figure: 1. a lower box body; 11. an upper box body; 12. a partition plate; 13. a suction pump; 14. a smoke alarm; 15. a suction hole; 16. an air intake duct; 17. a suction hood; 18. an outer filter housing; 19. a data transmission device; 2. an air filtering device; 21. an inner box; 22. fixing the rod; 23. an air duct; 24. a buffer plate; 25. an air outlet pipe; 26. an arc-shaped filter cover; 27. a water conduit; 28. a sewage outlet pipe; 29. a water tank; 3. a flow slowing groove; 31. a filter housing; 32. a filtration pore; 33. an inner filter screen; 34. a communicating pipe A; 35. a communicating cover; 36 communicating groove A; 37. a communicating pipe B; 38. a communicating groove B; 4. a water pump; 41. a drain conduit; 42. a flexible hose; 43. a water inlet conduit; 44. rotating the rod; 45. rotating the ball; 46. a rotating groove; 47. a rotating plate; 48. a water flow fan blade; 49. a transmission rod; 5. a carrier bar; 6. a through hole; 61. a sewage draining hole; 62. a center plate; 63. a permanent magnet A; 64. a center pole; 65. a balancing pole; 66. a balance spring; 67. extruding the ball; 7. a directional sewage draining mechanism; 71. a dirt guide plate; 72. a permanent magnet B; 74. a side plate; 75. a sliding sleeve; 76. a guide bar; 77. a limiting plate; 78. a tension spring; 79. a telescopic groove; 8. an air flow groove; 81. a central slot; 82. a diversion trench; 39. a communication ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a remote transmission device for fire alarm comprises a lower box body 1, wherein the lower box body 1 is a hollow elliptic box body with a hollowed top, the bottom of the lower box body 1 is a plane, universal wheels are all installed at the bottom of the plane of the lower box body 1 through four groups of supporting legs, an upper box body 11 is arranged at the top of the hollowed part of the lower box body 1, the upper box body 11 is a hollow sphere, the bottom of the hollowed part of the upper box body 11 is hollowed out, the bottom end of the hollowed part of the upper box body 11 is fixedly installed at the top of the hollowed part of the lower box body 1, a partition plate 12 is fixedly connected to the inner wall of the joint of the lower box body 1 and the upper box body 11 together, a suction pump 13 is fixedly installed at the central position of the top of the partition plate 12, a rechargeable mobile power supply is fixedly installed at the left side of the top of the partition plate 12, a charging device of the mobile power supply is fixedly installed in the left side wall surface of the upper box body 11, the mobile power supply is the prior art and is not described herein, and the mobile power supply is connected with the suction pump 13 through an electric signal, the input end of the suction pump 13 is vertically upward, a smoke alarm 14 is fixedly installed at the central position of the top of the upper box body 11, the annular outer wall of the top of the upper box body 11 is provided with air suction holes 15 distributed in an annular array, the annular outer wall of the top of the upper box body 11 is fixedly provided with an outer filter cover 18 in an annular state, the air suction holes 15 are located in the cavity of the outer filter cover 18, the annular inner wall of the top of the upper box body 11 is fixedly provided with a suction cover 17 in an annular state, the air suction holes 15 are located in the cavity of the suction cover 17, the top of the input end of the upper box body 11 is fixedly provided with air suction pipes 16 distributed in an annular array, the air suction pipes 16 are installed on the outer wall of the input end of the suction pump 13 in an inclined state, one end of the air suction pipe 16 far away from the input end of the suction pump 13 is fixedly connected to the annular inner wall of the suction cover 17, and a data transmission device 19 is fixedly installed on the right side wall surface of the top of the partition plate 12, the detection probe of the smoke alarm 14 penetrates into the cavity of the suction hood 17 through a power supply lead, the data transmission device 19, the smoke alarm 14 and the suction pump 13 are all in the prior art, details are not repeated, the smoke alarm 14 and the data transmission device 19 are both in electric signal connection with a mobile power supply through the power supply lead, the output end of the suction pump 13 faces downwards vertically, the output end of the suction pump 13 penetrates through the partition plate 12, the output end of the suction pump 13 extends into the cavity of the lower box body 1, the cavity of the lower box body 1 is internally provided with the air filtering device 2, the air filtering device 2 comprises an inner box 21, the inner box 21 is a hollow spherical body, the spherical outer wall of the inner box 21 is fixedly provided with fixing rods 22 which are uniformly distributed, the other end of each fixing rod 22 is fixedly arranged on the inner wall of the lower box body 1, the output end of the air guide tube 13 is fixedly connected with an air guide tube 23, the air guide tube 23 is a C-shaped hollow tube body with the bottom end in a horizontal state, the arc outer wall of the air duct 23 is positioned at the left side of the inner box 21, the horizontal output end of the air duct 23 extends into the cavity of the inner box 21, the outlet duct 25 inclined towards the right side is fixedly installed at the center position of the top of the inner box 21, the output end of the outlet duct 25 is positioned in the right side wall surface of the top of the lower box 1, the arc filter 26 is fixedly installed on the right side wall surface of the top of the lower box 1 at the output end of the outlet duct 25, the arc filter 26 is in an arc-shaped convex state, the water guide pipe 27 is fixedly installed on the right side wall surface of the top of the inner box 21, the input end of the water guide pipe 27 is fixedly installed in the wall surface of the right side top of the lower box 1, the water tank 29 with a hollowed-out top is fixedly installed in the cavity of the inner box 21, the water tank 29 is a hollow sphere, the bottom of the cavity of the water tank 29 is a horizontal plane, the flow slowing plates 24 at equal intervals are arranged in the cavity of the water tank 29 from the front to the back, the left end and the right end of the baffle plate 24 are both in an arc state, the baffle plate 24 is in a state that the horizontal length of the baffle plate 24 is gradually increased from front to back in the cavity of the water tank 29 and then gradually decreased, the baffle plate 24 is provided with airflow grooves 8 which are uniformly distributed from bottom to top, the airflow grooves 8 are in a vertical state, the inner walls of the baffle plate 24 at the bottom of the airflow grooves 8 are provided with diversion grooves 82 which are vertically downward and the diameters of the inner walls of the diversion grooves are gradually increased from top to bottom, the inner walls of the baffle plates 24 at the two sides of the airflow grooves 8 are provided with baffle grooves 3 which are mutually communicated with the airflow grooves 8, the baffle grooves 3 are in a state that the airflow grooves 3 are gradually bent outwards in an arc shape from bottom to top, the baffle grooves 3 at the two sides of the airflow grooves 8 are in a mutually up-down staggered state, the concrete shapes of the baffle grooves 3 and the airflow grooves 8 are shown in figure 3, the horizontal bottom surface in the cavity of the water tank 29 is provided with a central groove 81 which is bent downwards in an arc shape, the central groove 81 is positioned at the central position of the horizontal bottom surface in the cavity of the water tank 29, the bottom of the cavity of the central tank 81 is provided with a sewage discharge hole 61 facing downwards vertically, the bottom end of the inner tank 21 is fixedly provided with a sewage discharge pipe 28 facing downwards vertically, the output end of the sewage discharge pipe 28 penetrates through the bottom wall surface of the cavity of the lower tank body 1 from top to bottom, the input end of the sewage discharge pipe 28 is communicated with the sewage discharge hole 61 from top to bottom, the cavity of the central tank 81 is internally provided with a filter cover 31, the filter cover 31 is a hollow spherical body, the spherical outer wall of the filter cover 31 is provided with filter holes 32 which are uniformly distributed, the spherical inner wall of the filter cover 31 is fixedly provided with a spherical inner filter screen 33, the horizontal output end of the air duct 23 penetrates through the left side wall surface of the bottom of the water tank 29 from left to right, the left side wall surface of the cavity of the central tank 81 is provided with a communicating groove A36, the horizontal output end of the air duct 23 extends into the communicating groove A36 cavity, the left side middle part of the filter cover 31 is fixedly provided with a communicating pipe A34, the right end of the A34 penetrates through the left side wall surface of the filter cover 31 and the communicating pipe A34 is communicated with the cavity of the filter cover 31, the right side wall surface of the horizontal output end of the air duct 23 is rotatably connected with a communicating cover 35, the communicating cover 35 is a hollow cylinder with a hollow left side, the left end of a communicating pipe A34 extends into the cavity of a communicating groove A36, the left end of a communicating pipe A34 is fixedly connected to the right side wall surface of the communicating cover 35, the communicating pipe A34 is mutually communicated with the air duct 23 through the communicating cover 35, a water pump 4 is fixedly installed on the horizontal bottom surface of the right side in the cavity of the water tank 29, the output end of the water pump 4 is fixedly connected with a drainage conduit 41, the output end of the drainage conduit 41 penetrates through the right side wall surface of the inner tank 21, the output end of the drainage conduit 41 extends into the right side cavity of the lower tank body 1, the output end of the drainage conduit 41 is fixedly connected with a flexible hose 42, the right side wall surface of the lower tank body 1 is provided with a window, the wall surface of the right side window of the lower tank body 1 is provided with an arc-shaped cover plate, the input end of the water pump 4 is fixedly connected with a Z-shaped water inlet conduit 43, the input end of the water inlet conduit 43 is positioned in the wall surface at the bottom of the water surface at the right side of the water tank 29, the right side wall surface of the filter cover 31 is fixedly connected with a communicating pipe B37, the right side wall surface in the cavity of the central groove 81 is provided with a communicating groove B38 corresponding to the communicating pipe B37, the right end of the communicating pipe B37 is movably arranged on the inner wall of the communicating pipe B37 through a bearing, the input end of the water inlet conduit 43 is horizontally aligned with the communicating pipe B37 and the communicating groove B38, the left side wall surface at the input end of the water inlet conduit 43 is rotatably connected with a communicating ring 39, the left end of the communicating ring 39 extends into the cavity of the communicating groove B38, the left end of the communicating ring 39 is fixedly connected with the right end of the communicating pipe B37, the input end cavity of the water inlet conduit 43 is provided with a rotating plate 47, the outer wall of the rotating plate 47 is fixedly provided with rotating rods 44 distributed in an annular array, one end of the rotating plate 44 far away from the rotating plate 47 is fixedly provided with a spherical rotating ball-shaped rotating ball 45, the inner wall of the input end cavity of the water inlet guide pipe 43 is provided with a rotating groove 46 which is clamped with a rotating ball 45, the rotating groove 46 is annular, the annular outer wall of the rotating plate 47 is fixedly provided with evenly distributed water flow fan blades 48, one end of the rotating plate 47 close to a communicating pipe B37 is fixedly connected with a transmission rod 49, the inner wall of one end of a communicating pipe B37 close to the water inlet guide pipe 43 is fixedly provided with a vertical bearing rod 5, the transmission rod 49 is fixedly connected with the bearing rod 5, the central positions of the bottoms of the inner filter screen 33 and the filter cover 31 are provided with through holes 6 which are communicated up and down and penetrate through the through holes 6, the through holes 6 are corresponding to the sewage discharge holes 61 up and down, the through hole 6 cavity of the filter cover 31 is internally provided with a directional sewage discharge mechanism 7, the directional sewage discharge mechanism 7 comprises a sewage guide plate 71, the sewage guide plate 71 is an arc-shaped body with a conical upward shape, the arc-shaped bottom of the sewage guide plate 71 is fixedly provided with a permanent magnet B72, the left end wall and right end wall surfaces of the bottom of the permanent magnet B72 are fixedly provided with vertical downward side plates 74, sliding sleeves 75 are fixedly installed on the side wall surfaces of the two side plates 74 far away from the corresponding permanent magnet B72, vertical downward telescopic grooves 79 are respectively formed in the bottom wall surfaces of the filter covers 31 on the left side and the right side of the bottom through hole 6, vertical downward guide rods 76 are respectively and fixedly installed in the two telescopic grooves 79, the sliding sleeves 75 are movably sleeved on the outer walls of the guide rods 76, tension springs 78 are further arranged on the outer walls of the guide rods 76, the tops of the tension springs 78 are fixedly installed on the wall surfaces of the tops of the cavities of the telescopic grooves 79, the tension springs 78 are located above the sliding sleeves 75, limiting plates 77 are respectively and fixedly installed at the bottom ends of the two guide rods 76, a central plate 62 is arranged in the middle of each cavity of the sewage discharge hole 61, central rods 64 are fixedly connected at the left end and the right end of each central plate 64, the central plates 62 are fixedly installed at the central positions in the cavities of the sewage discharge holes 61 through the two central rods 64, and balancing rods 65 are arranged on the central plates 62, the balance rod 65 movably penetrates through the central plate 62 in a vertical state, the upper end and the lower end of the balance rod 65 are both fixedly provided with squeeze balls 67, the outer walls of the upper side and the lower side of the balance rod 65 are both sleeved with balance springs 66, the top wall surface of the central plate 62 is fixedly provided with an annular permanent magnet A63, and the magnetic pole of the permanent magnet A63 is opposite to the magnetic pole of the permanent magnet B72.
When the device is used, the lower box body 1 of the invention carries out directional movement in a market, the suction pump 13 sucks air in the market into the cavity of the lower box body 1 through the air suction pipe 16, the suction cover 17 and the air suction hole 15, when the air enters the suction cover 17, the smoke alarm 14 detects the air, and then the detected signal is fed back to the background through the data transmission device 19, thereby achieving the purpose of remotely transmitting the fire alarm, the invention improves the remote transmission efficiency of the fire alarm in the market, and the lower box body 1 can carry out directional guide rail movement on the ground of the market, thereby achieving the purpose of detecting the fire alarm in the market in real time by slowing the flow plate for 24 hours, having stronger practicability and creativity, the smoke alarm 14 comprises a series feedback photosensitive circuit formed by an infrared light-sensitive triode and a light-emitting diode, a semiconductor tube switch circuit, an integrated alarm circuit and the like, when the monitored environment is clean and has no smoke, the infrared light emitting diode emits light with preset initial current, the internal resistance of the infrared light is reduced after the infrared light is received by the phototriode, so that the current in the series circuit of the infrared light emitting diode and the infrared light is increased, the luminous intensity of the infrared light emitting diode is correspondingly increased, the internal resistance of the phototriode is further reduced, when the smoke in the monitored environment suddenly increases, the light transmittance in the air is deteriorated, the luminous flux received by the phototriode is reduced, the internal resistance of the phototriode is increased, the current in the series photosensitive circuit is also reduced, the luminous intensity of the light emitting diode is also reduced, the smoke alarm 14 and the data transmission device 19 are both the prior art, and no detailed description is given herein.
Water is injected into the cavities of the inner box 21 and the water tank 29 through the water guide pipe 27, the sucked air in the market is injected into the cavity of the water tank 29 through the air guide pipe 23 by the suction pump 13, the air is injected into the cavities of the filter cover 31 and the inner filter screen 33 through the communicating pipe A34, the dust, particles, suspended matters, dirt and the like in the sucked air are filtered in the cavity of the inner filter screen 33 after the air enters the cavity of the inner filter screen 33, the water is filled in the cavity of the water tank 29, the air floats upwards after entering the inner filter screen 33, the air is separated into fine bubbles through the inner filter screen 33, the bubbles float upwards again, the bubbles enter the slow flow groove 3, and continuously pass through the flow guide groove 82 while passing through the air flow groove 8 under the action of buoyancy, so that the function of slowing down the upwards floating of the bubbles is achieved, the upwards floating and water discharging time of the bubbles is increased, and finally the humidity of the air emerging through the water surface is increased, the air in the market is injected into the filter cover 31 and the inner filter screen 33, the inner filter screen 33 not only can filter the dust, the particulate matters, the suspended matters and other magazines in the air in the inner filter screen 33, but also the spherical inner filter screen 33 can separate the air, the air is sucked into the inner filter screen 33 to be separated into tiny bubbles, so that the efficiency of air floatation, filtration and dust removal of the air is further improved, the practicability and the creativity of the invention are improved, the invention divides the filtered air into tiny bubbles for air floatation and dust removal, the air floatation bubbles after dust removal enter the air flow groove 8 and the guide groove 82 through the guide groove 82, the bubbles entering the guide groove 82 continuously float upwards to counteract the bubbles in the air flow groove 8, thereby reach and slow down the effect that reduces the bubble come-up, not only increased the bubble and soaked and filterable time in water, the improvement washs the efficiency with the dust removal to the bubble, but also increased the contact time of air and water to make the humidity that emits the surface of water air also can corresponding increase, get back to the market after in the air of filtration and increase humidity, the personnel that more adapt to the market breathe.
When the lower box body 1 directionally moves in a market to patrol and find a fire, the telescopic hose 42 in the cavity of the lower box body 1 is taken out, the working switch of the water pump 4 is turned on, and the water in the cavity of the water tank 29 can be sprayed out through the telescopic hose 42, so that the effect of timely extinguishing the fire is realized, the water in the cavity of the water tank 29 not only can play a role of filtering air in the market and increasing air humidity, but also can be taken out in time to extinguish the fire, so that the practicability and creativity of the invention are improved, when the water in the cavity of the water tank 29 is rapidly pumped out through the water pump 4, the pumped and flowing water flow drives the water flow fan blades 48 to rotate, the rotating plate 47 drives the rotating ball 45 to rotate in the rotating groove 46 through the rotating rod 44, and the rotating plate 47 drives the communicating pipe B37 to rotate through the transmission rod 49 and the bearing rod 5, the rotation of the communicating pipe B37 drives the filter cover 31 to rotate, the rotation of the filter cover 31 prevents the dirt, impurities and suspended matters in the cavity of the inner filter screen 33 from blocking the filter holes of the inner filter screen 33, thereby improving the efficiency of the inner filter screen 33 in filtering air and separating air into bubbles, thereby improving the practicability of the invention, the particles and impurities filtered in the cavity of the inner filter screen 33 have the downward movement trend under the action of gravity, when the filter cover 31 and the inner filter screen 33 rotate slowly, the permanent magnet B72 corresponds to the upper and lower positions of the water inlet conduit 43, the permanent magnet B72 drives the dirt guide plate 71 to move downward under the action of magnetic force, so that the particles and impurities in the cavity of the inner filter screen 33 can leak into the dirt discharge holes 61 through the through holes 6 and then leak into the dirt discharge pipe 28 along the dirt discharge holes 61, thereby achieving the purpose of collecting the dirt and impurities in a centralized manner, when the permanent magnet B72 moves downwards to be close to the permanent magnet A63, the permanent magnet B72 presses the extrusion ball 67 on the upper side downwards, so that the balance spring 66 on the outer wall of the upper side balance rod 65 is compressed, the balance spring 66 on the outer wall of the lower side balance rod 65 is gradually stretched, the balance state of the two balance springs 66 is broken, the balance rod 65 can continuously shake in the process of breaking the balance state of the two balance springs 66, the balance rod 65 can generate a vertically shaking force on the permanent magnet B72 and the dirt guide plate 71 in the vertically shaking process, the falling efficiency of impurities accumulated on the arc-shaped outer wall of the dirt guide plate 71 is accelerated, and the practicability and the creativity of the invention are further improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a fire alarm's remote transmission device, includes box (1) down, and box (1) is the hollow oval box of top fretwork down, and the bottom of box (1) is the plane down, and the central point at last box (11) top puts fixed mounting there is smoke alarm (14), its characterized in that: an upper box body (11) is arranged at the top of the hollowed part of the lower box body (1), the upper box body (11) is a hollow sphere, the bottom of the hollowed part of the upper box body (11) is hollowed, the bottom end of the hollowed part of the upper box body (11) is fixedly installed at the top of the hollowed part of the lower box body (1), a partition plate (12) is fixedly connected to the inner wall of the joint of the lower box body (1) and the upper box body (11) together, a suction pump (13) is fixedly installed at the top of the partition plate (12), the input end of the suction pump (13) is vertically upward, and an air filtering device is arranged on the outer wall of the upper box body (11);
the output end of the suction pump (13) is vertical downward, the output end of the suction pump (13) penetrates through the partition plate (12), the output end of the suction pump (13) extends into the cavity of the lower box body (1), the cavity of the lower box body (1) is internally provided with the air filtering device (2), the air filtering device (2) comprises an inner box (21), the inner box (21) is a hollow spherical body, fixing rods (22) which are uniformly distributed are fixedly arranged on the spherical outer wall of the inner box (21), the other end of each fixing rod (22) is fixedly arranged on the inner wall of the lower box body (1), the output end of the suction pump (13) is fixedly connected with an air guide pipe (23), the horizontal output end of the air guide pipe (23) extends into the cavity of the inner box (21), an air outlet pipe (25) which inclines towards the right side is fixedly arranged at the center position of the top of the inner box (21), and an arc-shaped filter cover (26) is fixedly arranged on the right side wall surface of the top of the lower box body (1) at the output end of the air outlet pipe (25), a water guide pipe (27) is fixedly installed on the right side wall surface of the top of the inner box (21), a water tank (29) with a hollow top is fixedly installed in the cavity of the inner box (21), the water tank (29) is a hollow sphere, and the bottom in the cavity of the water tank (29) is a horizontal plane;
the air filtering device comprises an outer filter cover (18), wherein the annular outer wall at the top of an upper box body (11) is provided with air suction holes (15) distributed in an annular array, the outer filter cover (18) is annular, the outer filter cover (18) is fixedly arranged on the annular outer wall at the top of the upper box body (11), the air suction holes (15) are positioned in the cavity of the outer filter cover (18), the annular inner wall at the top of the upper box body (11) is fixedly provided with a suction cover (17) in an annular state, the air suction holes (15) are positioned in the cavity of the suction cover (17), the top of the input end of the upper box body (11) is fixedly provided with air suction pipes (16) distributed in an annular array, the air suction pipes (16) are obliquely arranged on the outer wall of the input end of a suction pump (13), one end, far away from the input end of the suction pump (13), of the air suction pipes (16) is fixedly connected to the annular inner wall of the suction cover (17), and a data transmission device (19) is fixedly arranged on the right side wall surface at the top of a partition plate (12), a detection probe of the smoke alarm (14) is deeply inserted into the cavity of the suction hood (17) through a power supply lead;
the water tank is characterized in that equidistant slow flow plates (24) are arranged in a cavity of the water tank (29), the slow flow plates (24) are fixedly connected together at equal intervals from front to back in the cavity of the water tank (29), the left end and the right end of each slow flow plate (24) are in an arc-shaped state, the horizontal lengths of the slow flow plates (24) are gradually increased from front to back in the cavity of the water tank (29) and then gradually decreased in sequence, the slow flow plates (24) are respectively provided with uniformly distributed airflow grooves (8) from bottom to top, the airflow grooves (8) are in a vertical state, a downward arc-shaped bent central groove (81) is formed in the horizontal bottom surface in the cavity of the water tank (29), the central groove (81) is positioned at the central position of the horizontal bottom surface in the cavity of the water tank (29), a vertical downward sewage discharge hole (61) is formed in the bottom in the cavity of the central groove (81), a vertical downward sewage discharge pipe (28) is fixedly installed at the bottom end of the inner tank (21), the output end of the sewage outlet pipe (28) penetrates through the bottom wall surface in the cavity of the lower box body (1) from top to bottom, the input end of the sewage outlet pipe (28) is communicated with the sewage discharge hole (61) up and down, a filter cover (31) is arranged in the cavity of the central groove (81), the filter cover (31) is a hollow spherical body, filter holes (32) which are uniformly distributed are formed in the spherical outer wall of the filter cover (31), a spherical inner filter screen (33) is fixedly arranged on the spherical inner wall of the filter cover (31), the horizontal output end of the air guide pipe (23) penetrates through the left side wall surface of the bottom of the water tank (29) from left to right, a communication groove A (36) is formed in the left side wall surface in the cavity of the central groove (81), the horizontal output end of the air guide pipe (23) extends into the cavity of the communication groove A (36), a communication pipe A (34) is fixedly arranged in the middle of the left side of the filter cover (31), the right end of the communication pipe A (34) penetrates through the left side wall surface of the filter cover (31) and the communication pipe A (34) is communicated with the cavity of the filter cover (31), the right side wall surface of the horizontal output end of the air guide pipe (23) is rotatably connected with a communicating cover (35), the communicating cover (35) is a hollow cylinder with a hollow left side, the left end of the communicating pipe A (34) extends into the cavity of the communicating groove A (36), the left end of the communicating pipe A (34) is fixedly connected to the right side wall surface of the communicating cover (35), and the communicating pipe A (34) is mutually communicated with the air guide pipe (23) through the communicating cover (35);
the inner walls of the flow slowing plates (24) positioned at the two sides of the airflow groove (8) are respectively provided with a flow slowing groove (3) which is communicated with the airflow groove (8), the flow slowing grooves (3) are in an arc-shaped gradually outward bending state from bottom to top, the flow slowing grooves (3) at the two sides of the airflow groove (8) are in a mutually up-down staggered state, and the inner walls of the flow slowing plates (24) at the bottom end of the airflow groove (8) are respectively provided with a flow guiding groove (82) which vertically faces downwards and the diameter of the inner walls is gradually increased from top to bottom;
a water pump (4) is fixedly installed on the horizontal bottom surface of the right side in the cavity of the water tank (29), an output end of the water pump (4) is fixedly connected with a drainage guide pipe (41), an output end of the drainage guide pipe (41) penetrates through the right side wall surface of the inner tank (21), an output end of the drainage guide pipe (41) extends into the right side cavity of the lower tank body (1), an output end of the drainage guide pipe (41) is fixedly connected with a flexible hose (42), a window is formed in the right side wall surface of the lower tank body (1), an arc-shaped cover plate is arranged on the wall surface of the right side window of the lower tank body (1), an input end of the water pump (4) is fixedly connected with a Z-shaped water inlet guide pipe (43), an input end of the water inlet guide pipe (43) is located in the wall surface of the right side water of the water tank (29), a rotating plate (47) is arranged in the input end cavity of the water inlet guide pipe (43), and a rotating rod (44) distributed in an annular array is fixedly installed on the outer wall of the rotating plate (47), one end of the rotating rod (44) far away from the rotating plate (47) is fixedly provided with a spherical rotating ball (45), the inner wall of the input end cavity of the water inlet guide pipe (43) is provided with a rotating groove (46) which is clamped with the rotating ball (45), the rotating groove (46) is annular, the annular outer wall of the rotating plate (47) is fixedly provided with evenly distributed water flow fan blades (48), one end of the rotating plate (47) close to the communicating pipe B (37) is fixedly connected with a transmission rod (49), the inner wall of one end of the communicating pipe B (37) close to the water inlet guide pipe (43) is fixedly provided with a vertical bearing rod (5), the transmission rod (49) is fixedly connected with the bearing rod (5), the bottom center positions of the inner filter screen (33) and the filter cover (31) are provided with through holes (6) which are communicated up and down and penetrate through, and the positions of the through holes (6) and the sewage discharge holes (61) are up and down corresponding;
the right side wall surface of the filter cover (31) is fixedly connected with a communicating pipe B (37), the right side wall surface in the cavity of the central groove (81) is provided with a communicating groove B (38) corresponding to the communicating pipe B (37), the right end of the communicating pipe B (37) is movably arranged on the inner wall of the communicating pipe B (37) through a bearing, the input end of the water inlet guide pipe (43) is horizontally aligned with the communicating pipe B (37) and the communicating groove B (38), the left side wall surface of the input end of the water inlet guide pipe (43) is rotatably connected with a communicating ring (39), the left end of the communicating ring (39) extends into the cavity of the communicating groove B (38), and the left end of the communicating ring (39) is fixedly connected with the right end of the communicating pipe B (37);
the air guide pipe (23) is a C-shaped hollow pipe body with the bottom end in a horizontal state, the arc-shaped outer wall of the air guide pipe (23) is positioned on the left side of the inner box (21), the input end of the water guide pipe (27) is fixedly installed in the wall surface of the top of the right side of the lower box body (1), and the output end of the air outlet pipe (25) is positioned in the right side wall surface of the top of the lower box body (1);
a directional sewage discharging mechanism (7) is arranged in a through hole (6) cavity of the filter cover (31), the directional sewage discharging mechanism (7) comprises a sewage guide plate (71), the sewage guide plate (71) is an arc-shaped body with an upward conical shape, a permanent magnet B (72) is fixedly installed at the arc-shaped bottom of the sewage guide plate (71), vertical downward side plates (74) are fixedly installed on the wall surfaces of the left end and the right end of the bottom of the permanent magnet B (72), sliding sleeves (75) are fixedly installed on the wall surfaces of one side of the two side plates (74) far away from the corresponding permanent magnet B (72), vertical downward telescopic grooves (79) are respectively formed in the wall surfaces of the bottom of the filter cover (31) positioned at the left side and the right side of the bottom through hole (6), vertical downward guide rods (76) are respectively and fixedly installed in the two telescopic grooves (79), the sliding sleeves (75) are movably sleeved on the outer wall of the guide rods (76), and tension springs (78) are further arranged on the outer wall of the guide rods (76), the top of the tension spring (78) is fixedly arranged on the wall surface of the top in the cavity of the telescopic groove (79), the tension spring (78) is positioned above the sliding sleeve (75), and the bottom ends of the two guide rods (76) are fixedly provided with limit plates (77);
the improved sewage draining device is characterized in that a central plate (62) is arranged in the middle of the inner cavity of the sewage draining hole (61), central rods (64) are fixedly connected to the left end and the right end of the central plate (62), the central plate (62) is fixedly arranged at the central position in the inner cavity of the sewage draining hole (61) through the two central rods (64), an annular permanent magnet A (63) is arranged at the top of the central plate (62), a balance rod (65) is arranged on the central plate (62), the balance rod (65) movably penetrates through the central plate (62) in a vertical state, squeeze balls (67) are fixedly arranged at the upper end and the lower end of the balance rod (65), balance springs (66) are sleeved on the outer walls of the upper side and the lower side of the balance rod (65), the annular permanent magnet A (63) is fixedly arranged on the top wall surface of the central plate (62), and the magnetic poles of the permanent magnet A (63) are opposite to the magnetic poles of the permanent magnet B (72).
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| CN202110342733.3A CN112991664B (en) | 2021-03-30 | 2021-03-30 | Fire alarm's remote transmission device |
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| CN117154951B (en) * | 2023-10-26 | 2023-12-26 | 安徽信捷智能科技有限公司 | Distribution line fault monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2269222Y (en) * | 1996-08-13 | 1997-12-03 | 山富机械厂有限公司 | Escaping device from fire disaster |
| KR100652587B1 (en) * | 2004-09-23 | 2006-12-06 | 엘지전자 주식회사 | Fire alarm inform system and method in using robot cleaner |
| JP5292737B2 (en) * | 2007-06-21 | 2013-09-18 | ダイキン工業株式会社 | Dust collection box and air conditioner equipped with the same |
| US20190168047A1 (en) * | 2017-12-02 | 2019-06-06 | M-Fire Suppression, Inc. | Method of and system for suppressing fire using anenvironmentally-clean free-radical chemical-reaction interrupting water mist so as to reduce water damage and smoke production and the risk of fire re-ignition |
| CN109584496A (en) * | 2018-11-13 | 2019-04-05 | 牟欣阳 | A kind of fire automatic alarm device of Intelligent visible detection fire information |
| CN110180302B (en) * | 2019-05-23 | 2021-05-18 | 瀚蓝工业服务(赣州)有限公司 | Compound exhaust-gas treatment machine |
| CN111223264A (en) * | 2019-09-20 | 2020-06-02 | 江苏亚亚门业集团有限公司 | Movable multifunctional fire smoke alarm |
| CN211149616U (en) * | 2020-01-13 | 2020-07-31 | 浙江华乙科技有限公司 | Wireless intelligent networking type fire alarm monitoring devices |
| CN111514974B (en) * | 2020-05-14 | 2021-09-17 | 吴玉生 | Energy-saving and environment-friendly factory garbage disposer |
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