CN113413559B

CN113413559B - Be applied to electrical equipment extinguishing device of roadside eminence

Info

Publication number: CN113413559B
Application number: CN202110734169.XA
Authority: CN
Inventors: 于波; 周鹏; 屈东坡; 邓祥周; 周彪
Original assignee: Zaozhuang Vocational College of Science and Technology
Current assignee: Zaozhuang Vocational College of Science and Technology
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-07-22
Anticipated expiration: 2041-06-30
Also published as: CN113413559A

Abstract

The invention discloses an electrical equipment fire extinguishing device applied to high places on roadsides, which comprises a supporting mechanism arranged between a pair of telegraph poles and used for fixing electrical equipment and a fire extinguishing mechanism used for extinguishing fire when the electrical equipment is used, wherein the supporting mechanism comprises a shell and a mounting rack fixed at the bottom of the shell and used for being fixedly connected with the telegraph poles, and an air inlet cavity, an electrical equipment placing cavity and an air suction cavity are sequentially arranged in the shell from top to bottom. When the electrical equipment is on fire, the locking assembly is opened by the trigger assembly, so that carbon dioxide in the air inlet cavity is injected into the electrical equipment placing cavity for extinguishing fire, the fan plate is pushed by the connecting assembly to turn over to seal the electrical equipment placing cavity, oxygen is isolated, and meanwhile, the connecting assembly can drive the piston II in the air suction cavity to move to suck original gas in the electrical equipment placing cavity into the air suction cavity, so that the interior of the electrical equipment placing cavity is quickly filled with carbon dioxide.

Description

Be applied to electrical equipment extinguishing device of roadside eminence

Technical Field

The invention relates to the technical field of fire extinguishing devices, in particular to an electrical equipment fire extinguishing device applied to high places on roadsides.

Background

Electricity is a general name of subjects or engineering fields such as production, transmission, distribution, use and electrical equipment manufacturing of electric energy, and a science of creating, maintaining and improving limited space and environment by taking electric energy, electric equipment and electric technology as means covers three aspects of conversion, utilization and research of electric energy, including basic theories, application technologies, facility equipment and the like. Electrical equipment is a general term for equipment such as generators, transformers, power lines, and circuit breakers in power systems.

Certain electrical equipment of erectting at roadside wire pole eminence is in order to improve insulating effect, is filled with insulating oil in its inside usually, however, this type of electrical equipment in case the fire is not in time put out and will be very dangerous, and insulating oil can increase degree and area on fire, can produce the explosion when serious for bring danger to the pedestrian that the roadside passed through.

Disclosure of Invention

The invention aims to provide an electric equipment fire extinguishing device applied to high places on roadsides to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an electrical equipment fire extinguishing device applied to high places on roadsides comprises a supporting mechanism arranged between a pair of telegraph poles and used for fixing electrical equipment and a fire extinguishing mechanism used for extinguishing fire when the electrical equipment is positioned, wherein the supporting mechanism comprises a shell and a mounting rack fixed at the bottom of the shell and used for being fixedly connected with the telegraph poles, an air inlet cavity, an electrical equipment placing cavity and an air suction cavity are sequentially arranged in the shell from top to bottom, strip-shaped air holes are uniformly formed in the shells on two sides of the electrical equipment placing cavity, fan plates are hinged in the strip-shaped air holes, hinge shafts of the fan plates are provided with torsional springs, and the fan plates are inclined under the action of the torsional springs in a normal state;

the fire extinguishing mechanism comprises an exhaust assembly arranged in the air inlet cavity, an air suction assembly arranged in the air suction cavity and a connecting assembly arranged in the electrical equipment placing cavity, wherein the exhaust assembly comprises a first piston arranged in the air inlet cavity in a sliding manner, return springs uniformly arranged at the top of the first piston and fixedly connected with the top of the air inlet cavity, an air inlet pipe arranged at the top of the shell and communicated with the air inlet cavity and exhaust pipes arranged at two sides of the top of the shell and communicated with the air inlet cavity, a plug is arranged on the air inlet pipe, a first switch valve and a first check valve are sequentially arranged on the exhaust pipes, and the other ends of the exhaust pipes extend into the electrical equipment placing cavity;

the air suction assembly comprises a piston II arranged in the air suction cavity in a sliding manner, an air suction pipe arranged at the bottom end in the electrical equipment placing cavity and communicated with the air suction cavity, and an air outlet pipe arranged on one side of the top of the air suction cavity, wherein a check valve II is arranged on the air suction pipe, and a check valve III is arranged on the air outlet pipe;

the connecting assembly comprises two movable plates I vertically arranged on two sides of the bottom of a piston I, two movable plates II vertically arranged on two sides of the top of a piston II, two movable strips arranged between the corresponding movable plates I and the corresponding movable plates II and transverse strips uniformly arranged between the corresponding two movable strips, wherein the movable strips are tightly attached to the side wall of the electrical equipment placing cavity, the number of the transverse strips is the same as that of the fan plates, the transverse strips are positioned at the positions corresponding to the hinge shafts of the fan plates, a rack plate is arranged on one side of each movable plate II, a gear roller meshed with the rack plate is arranged in an air suction cavity on one side of the rack plate, a rack meshed with the gear roller is arranged on the other side of the gear roller away from the rack plate, and the rack is fixedly connected with the top of the piston II;

the fire extinguishing mechanism further comprises a locking assembly for locking the piston in movement when the piston moves down to the bottom, and a triggering assembly for unlocking the locking assembly when the electrical equipment is started.

Preferably, the locking subassembly includes two risers that set up perpendicularly in piston one bottom both sides, set up the sloping block one that leads in two risers one side bottom in opposite directions, the setting is at the fixing base of leading sloping block one-by-one side air cavity bottom, the setting is close to the recess that corresponds one side of leading sloping block one at the fixing base, slide the setting and lead the sloping block two of the mutual adaptation of sloping block and setting and keeping away from the slide bar of leading one side of sloping block at the sloping block two in the recess, wherein, the end of slide bar extends to fixing base one side and fixes and is provided with magnet one, be provided with the stopper on the slide bar, be provided with the pressure spring between the stopper in the slide bar outside and the fixing base, two magnet one opposite ends magnetism that one is relative, the inclined plane of leading sloping block one is down, the inclined plane of leading sloping block two is up.

Preferably, trigger the subassembly including set up two backup pads of placing the chamber top at electrical equipment, set up the hard baffle between two backup pads, set up the guide cylinder between two magnet one, slide and set up magnet two inside the guide cylinder and set up the bracing piece in magnet two bottoms perpendicularly, wherein, the bottom of bracing piece extends to hard baffle top fixedly connected with locating plate, magnet two under the normal condition with magnet one dislocation each other be located magnet top.

Preferably, the top surface of the strip-shaped air hole is in an inclined plane shape facing the electrical equipment placing cavity, and the top surface of the strip-shaped air hole is in an inclined plane shape facing the outside.

Preferably, the flow direction of the one-way valve I is from the air inlet cavity to the electrical equipment placing cavity, the flow direction of the one-way valve II is from the electrical equipment placing cavity to the air suction cavity, and the flow direction of the one-way valve III is from the air suction cavity to the outside.

Compared with the prior art, the invention has the beneficial effects that:

the invention is characterized in that an air inlet cavity, an electrical equipment placing cavity and an air suction cavity are sequentially arranged in a shell from top to bottom, electrical equipment is placed in the electrical equipment placing cavity, strip-shaped air holes are formed in the side edges of the electrical equipment placing cavity, fan plates are hinged in the strip-shaped air holes, the hinged shafts of the fan plates are provided with torsional springs, the fan plates are inclined under the action of the torsional springs in a normal state and used for air inlet and heat dissipation of the electrical equipment placing cavity, carbon dioxide gas is injected into the air inlet cavity, when the electrical equipment fires, a locking assembly is opened by a triggering assembly, so that the carbon dioxide in the air inlet cavity is injected into the electrical equipment placing cavity for fire extinguishing, the fan plates are pushed to turn over through a connecting assembly to seal the interior of the electrical equipment placing cavity, oxygen is isolated, a piston II in the air suction cavity can be driven to move through the connecting assembly to suck the original gas in the electrical equipment placing cavity into the air suction cavity, thereby leading the interior of the electrical equipment placing cavity to be quickly filled with carbon dioxide gas.

Drawings

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

FIG. 2 is a schematic structural diagram of a locking assembly and a triggering assembly of the present invention;

fig. 3 is a schematic view of a partial structure at a in fig. 2.

In the figure: 1. a support mechanism; 11. a housing; 12. a mounting frame; 13. an air inlet cavity; 14. an electrical equipment placement chamber; 15. an air suction cavity; 16. strip-shaped air holes; 17. a fan plate; 2. a fire extinguishing mechanism; 3. an exhaust assembly; 31. a first piston; 32. a return spring; 33. an air inlet pipe; 34. an exhaust pipe; 35. an on-off valve; 36. a one-way valve I; 4. a getter assembly; 41. a second piston; 42. an air intake duct; 43. an air outlet pipe; 44. a second one-way valve; 45. a one-way valve III; 5. a connection assembly; 51. a first movable plate; 52. a second movable plate; 53. a movable bar; 54. a horizontal bar; 55. a rack plate; 56. a gear roll; 57. a rack; 6. a locking assembly; 61. a vertical plate; 62. a first inclined guide block; 63. a fixed seat; 64. a groove; 65. a second inclined guide block; 66. a slide bar; 67. a magnet I; 68. a limiting block; 69. a pressure spring; 7. a trigger component; 71. a support plate; 72. a hard separator; 73. a guide cylinder; 74. a second magnet; 75. a support bar; 76. and (7) positioning the plate.

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. 1-3, an embodiment of the present invention is shown: an electrical equipment fire extinguishing device applied to high places on roadsides comprises a supporting mechanism 1 arranged between a pair of telegraph poles and used for fixing electrical equipment and a fire extinguishing mechanism 2 used for extinguishing fire when the electrical equipment is positioned, wherein the supporting mechanism 1 comprises a shell 11 and a mounting rack 12 fixed at the bottom of the shell 11 and used for being fixedly connected with the telegraph poles, an air inlet cavity 13, an electrical equipment placing cavity 14 and an air suction cavity 15 are sequentially arranged in the shell 11 from top to bottom, strip-shaped air holes 16 are uniformly formed in the shell 11 on two sides of the electrical equipment placing cavity 14, fan plates 17 are hinged inside the strip-shaped air holes 16, hinge shafts of the fan plates 17 are provided with torsion springs, and the fan plates 17 are inclined under the action of the torsion springs in normal states and are convenient to ventilate and ventilate;

as shown in fig. 1, the fire extinguishing mechanism 2 includes an exhaust component 3 disposed in the air intake cavity 13, an air intake component 4 disposed in the air intake cavity 15, and a connecting component 5 disposed in the electrical equipment placing cavity 14, wherein the exhaust component 3 includes a piston one 31 slidably disposed in the air intake cavity 13, a return spring 32 uniformly disposed on the top of the piston one 31 and fixedly connected to the top of the air intake cavity 13, an air intake pipe 33 disposed on the top of the housing 11 and communicated with the air intake cavity 13, and exhaust pipes 34 disposed on both sides of the top of the housing 11 and communicated with the air intake cavity 13, wherein the air intake pipe 33 is provided with a plug, the exhaust pipes 34 are sequentially provided with a switch valve 35 and a check valve one 36, and the other ends of the exhaust pipes 34 extend into the electrical equipment placing cavity 14;

as shown in fig. 1, the air suction assembly 4 comprises a second piston 41 slidably arranged in the air suction cavity 15, an air suction pipe 42 arranged at the bottom end in the electrical equipment placing cavity 14 and communicated with the air suction cavity 15, and an air outlet pipe 43 arranged at one side of the top of the air suction cavity 15, wherein the air suction pipe 42 is provided with a second check valve 44, and the air outlet pipe 43 is provided with a third check valve 45;

as shown in fig. 1, the connecting assembly 5 includes two first movable plates 51 vertically disposed on two sides of the bottom of the first piston 31, two second movable plates 52 vertically disposed on two sides of the top of the second piston 41, two movable bars 53 disposed between the first movable plates 51 and the second movable plates 52, and cross bars 54 uniformly disposed between the two movable bars 53, wherein the movable bars 53 are tightly attached to the side walls of the electrical equipment placing cavity 14, the number of the cross bars 54 is the same as that of the fan plates 17, the cross bars 54 are located at positions corresponding to hinge shafts of the fan plates 17, a rack plate 55 is disposed on one side of the second movable plates 52, a pinion roller 56 engaged with the rack plate 55 is disposed inside the air suction cavity 15 on one side of the rack plate 55, a rack 57 engaged with the pinion roller 56 is disposed on the other side of the pinion roller 56 away from the rack plate 57 55, and the rack 57 is fixedly connected to the top of the second piston 41;

as shown in fig. 1 to 3, the fire extinguishing mechanism 2 further includes a locking assembly 6 for locking the movement of the piston one 31 when the piston one 31 moves down to the bottom, and a trigger assembly 7 for releasing the locking of the locking assembly 6 when the electric equipment is operated.

In this embodiment, as shown in fig. 2 and 3, the locking assembly 6 includes two vertical plates 61 vertically disposed at two sides of the bottom of the first piston 31, a first incline guide block 62 disposed at the bottom of the opposite side of the two vertical plates 61, a fixed seat 63 disposed at the bottom of the air inlet cavity 13 at one side of the first incline guide block 62, a groove 64 disposed at one side of the fixed seat 63 close to the first incline guide block 62, a second incline guide block 65 slidably disposed inside the groove 64 and adapted to the first incline guide block 62, and a sliding rod 66 disposed at one side of the second incline guide block 65 far away from the first incline guide block 62, wherein a first magnet 67 is fixedly disposed at a terminal of the sliding rod 66 extending to one side of the fixed seat 63, a limit block 68 is disposed on the sliding rod 66, a compression spring 69 is disposed between the limit block 68 at an outer side of the sliding rod 66 and the fixed seat 63, opposite magnetic ends of the two first magnets 67 are opposite, an inclined surface of the first incline guide block 62 faces downward, an inclined surface of the second incline guide block 65 faces upward, when the locking device is used, the first piston 31 moves downwards to drive the first inclined guide block 62 at the bottom of the vertical plate 61 to move downwards, when the first inclined guide block 62 is in contact with the inclined surface of the second inclined guide block 65, the first inclined guide block 62 descends to push the second inclined guide block 65 to move towards the inner part of the groove 64 and compress the pressure spring 69, and when the first inclined guide block 62 moves to the position below the second inclined guide block 65, under the action of the pressure spring 69, the second inclined guide block 65 pops out of the groove 64 and clamps the first main inclined guide block 62, so that the first piston 31 is locked.

In this embodiment, as shown in fig. 2, the triggering component 7 includes two supporting plates 71 disposed at the top of the electrical equipment placing cavity 14, a hard partition plate 72 disposed between the two supporting plates 71, a guiding cylinder 73 disposed between the two first magnets 67, a second magnet 74 slidably disposed inside the guiding cylinder 73, and a supporting rod 75 vertically disposed at the bottom of the second magnet 74, wherein the bottom end of the supporting rod 75 extends to the top of the hard partition plate 72 and is fixedly connected with a positioning plate 76, the second magnet 74 is normally offset from the first magnet 67 and is disposed at the top of the first magnet 67, in application, when the electrical equipment is on fire, the hard partition plate 72 is easily burned, the second magnet 74 is broken by the partition plate 72 and moves downward under the action of gravity, the second magnet 74 moves downward to one side of the first magnet 67, and further attracts the first magnet 67 to one side of the guiding cylinder 73 to move, so that the second inclined guide block 65 and further inside the groove 64 are enabled by the sliding rod 66, the first piston 31 is unlocked.

In this embodiment, as shown in fig. 1, the top surface of the strip-shaped ventilation hole 16 is in an inclined plane shape facing the electrical equipment placing cavity 14, and the top surface of the strip-shaped ventilation hole 16 is in an inclined plane shape facing the outside, so as to facilitate sealing of the electrical equipment placing cavity 14.

In this embodiment, as shown in fig. 1, the flow direction of the first check valve 36 is from the air intake chamber 13 to the electrical equipment placing chamber 14, the flow direction of the second check valve 44 is from the electrical equipment placing chamber 14 to the air intake chamber 15, and the flow direction of the third check valve 45 is from the air intake chamber 15 to the outside.

The working principle is as follows: when the electrical equipment is on fire, the hard partition plate 72 is easy to burn, the second magnet 74 broken by the partition plate 72 moves downwards under the action of gravity, the second magnet 74 moves downwards to one side of the first magnet 67, the first magnet 67 is attracted to one side of the guide cylinder 73 to move, so that the second guide inclined block 65 enters the groove 64 through the sliding rod 66 to unlock the first piston 31, the first piston 31 moves upwards under the action of the reset spring 32, the first piston 31 moves upwards, on one hand, the gas in the air inlet cavity 13 can be injected into the electrical equipment placing cavity 14, on the other hand, the cross bar 54 of the connecting assembly 5 can be driven to move upwards to push the fan plate to turn over to seal the interior of the electrical equipment placing cavity 14, on the other hand, the rack plate 55 of the connecting assembly 5 drives the gear roller 56 to rotate, the gear roller 56 can drive the second piston 41 to move downwards through the rack 57, and on the downward movement of the second piston 41, the original gas in the electrical equipment placing cavity 14 can be sucked into the air suction cavity 15, (when injecting gas into the intake chamber 13 of the present invention, the on-off valve 35 needs to be closed first to move the first piston 31 downward, and after the locking assembly locks the first piston 31, the on-off valve 35 is opened to complete the gas injection operation).

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. An electrical equipment fire extinguishing device applied to high places on roadsides comprises a supporting mechanism (1) arranged between a pair of telegraph poles and used for fixing electrical equipment and a fire extinguishing mechanism (2) used for extinguishing fire when the electrical equipment fires, it is characterized in that the supporting mechanism (1) comprises a shell (11) and a mounting rack (12) which is fixed at the bottom of the shell (11) and is fixedly connected with the telegraph pole, wherein, the shell (11) is internally provided with an air inlet cavity (13), an electrical equipment placing cavity (14) and an air suction cavity (15) from top to bottom in sequence, strip-shaped air holes (16) are uniformly arranged on the shell (11) at the two sides of the electrical equipment placing cavity (14), a fan plate (17) is hinged inside the strip-shaped air holes (16), a torsional spring is arranged on a hinged shaft of the fan plate (17), and the fan plate (17) is inclined under the action of the torsional spring in a normal state;

the fire extinguishing mechanism (2) comprises an exhaust component (3) arranged in an air inlet cavity (13), an air suction component (4) arranged in an air suction cavity (15) and a connecting component (5) arranged in an electrical equipment placing cavity (14), wherein the exhaust component (3) comprises a first piston (31) arranged in the air inlet cavity (13) in a sliding manner, return springs (32) uniformly arranged at the top of the first piston (31) and fixedly connected with the top of the air inlet cavity (13), an air inlet pipe (33) arranged at the top of the shell (11) and communicated with the air inlet cavity (13) and exhaust pipes (34) arranged at two sides of the top of the shell (11) and communicated with the air inlet cavity (13), wherein the air inlet pipe (33) is provided with a plug, the air outlet pipe (34) is sequentially provided with a switch valve (35) and a one-way valve I (36), the other end of the exhaust pipe (34) extends to the interior of the electrical equipment placing cavity (14);

the air suction assembly (4) comprises a second piston (41) arranged inside the air suction cavity (15) in a sliding manner, an air suction pipe (42) arranged at the bottom end inside the electrical equipment placing cavity (14) and communicated with the air suction cavity (15), and an air outlet pipe (43) arranged on one side of the top of the air suction cavity (15), wherein a second check valve (44) is arranged on the air suction pipe (42), and a third check valve (45) is arranged on the air outlet pipe (43);

the connecting assembly (5) comprises two movable plates I (51) vertically arranged on two sides of the bottom of a piston I (31), two movable plates II (52) vertically arranged on two sides of the top of a piston II (41), two movable strips (53) arranged between the corresponding movable plates I (51) and the movable plates II (52) and transverse strips (54) uniformly arranged between the corresponding two movable strips (53), wherein the movable strips (53) are tightly attached to the side wall of the electric equipment placing cavity (14), the transverse strips (54) are the same as the fan plates (17), the transverse strips (54) are positioned at the position of the hinge shaft of the corresponding fan plates (17), a rack plate (55) is arranged on one side of the movable plates II (52), a gear roller (56) meshed with the rack plate (55) is arranged inside a cavity (15) on one side of the rack plate (55), and a rack (57) meshed with the gear roller (56) is arranged on the other side, far away from the rack plate (55), of the gear roller (56), the rack (57) is fixedly connected with the top of the second piston (41);

the fire extinguishing mechanism (2) further comprises a locking assembly (6) for locking the movement of the first piston (31) when the first piston (31) moves downwards to the bottom, and a triggering assembly (7) for unlocking the locking assembly (6) when the electrical equipment is on fire;

the locking assembly (6) comprises two vertical plates (61) vertically arranged on two sides of the bottom of a first piston (31), a first inclined guide block (62) arranged at the bottom of one opposite side of the two vertical plates (61), a fixed seat (63) arranged at the bottom of an air inlet cavity (13) on one side of the first inclined guide block (62), a groove (64) arranged on one side, close to the fixed seat (63), of the corresponding first inclined guide block (62), a second inclined guide block (65) arranged in the groove (64) in a sliding mode and matched with the first inclined guide block (62), and a sliding rod (66) arranged on one side, far away from the first inclined guide block (62), of the second inclined guide block (65), wherein the tail end of the sliding rod (66) extends to one side of the fixed seat (63) and is fixedly provided with a first magnet (67), a limit block (68) is arranged on the sliding rod (66), and a pressure spring (69) is arranged between the limit block (68) on the outer side of the sliding rod (66) and the fixed seat (63), the opposite ends of the two magnets I (67) are opposite in magnetism, the inclined plane of the first inclined guide block (62) faces downwards, and the inclined plane of the second inclined guide block (65) faces upwards;

the trigger assembly (7) comprises two supporting plates (71) arranged at the top of the electrical equipment placing cavity (14), a hard partition plate (72) arranged between the two supporting plates (71), a guide cylinder (73) arranged between the two first magnets (67), a second magnet (74) arranged in the guide cylinder (73) in a sliding manner, and a supporting rod (75) vertically arranged at the bottom of the second magnet (74), wherein the bottom end of the supporting rod (75) extends to the top of the hard partition plate (72) and is fixedly connected with a positioning plate (76), and the second magnet (74) and the first magnet (67) are staggered with each other and are positioned at the top of the first magnet (67) in a normal state;

the flow direction of the one-way valve I (36) is from the air inlet cavity (13) to the electrical equipment placing cavity (14), the flow direction of the one-way valve II (44) is from the electrical equipment placing cavity (14) to the air suction cavity (15), and the flow direction of the one-way valve III (45) is from the air suction cavity (15) to the outside.

2. The fire extinguishing apparatus for electrical equipment used at high places on roadsides according to claim 1, wherein: the top surface of the strip-shaped air hole (16) is in an inclined plane shape facing the electrical equipment placing cavity (14), and the top surface of the strip-shaped air hole (16) is in an inclined plane shape facing the outside.