CN218825734U

CN218825734U - Automatic fire alarm host

Info

Publication number: CN218825734U
Application number: CN202222823595.3U
Authority: CN
Inventors: 丁帅
Original assignee: Shenzhen Novartis Hongan Building Technology Development Co ltd
Current assignee: Shenzhen Novartis Hongan Building Technology Development Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-04-07
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a conflagration autoalarm host computer relates to switch board technical field, including the cabinet body, the heat dissipation section of thick bamboo that have the air inlet duct, a heat dissipation section of thick bamboo fixed connection in the top of the cabinet body, the top slidable mounting of a heat dissipation section of thick bamboo has the removal lid, a heat dissipation section of thick bamboo with the outer wall of removing the lid has cup jointed the dirt cloth cover that strains. The utility model discloses a set up drive mechanism, realize that the connecting axle drives first worm and second worm and rotate, make the fan shaft drive the flabellum and rotate, make the inside air of heat dissipation section of thick bamboo pass the diffusion of dust filtration cloth cover to the outside in of heat dissipation section of thick bamboo, when first worm wheel drives reciprocal lead screw pivoted, remove the lid and reciprocate along the outer wall of reciprocal lead screw, when making the reciprocal reciprocating in top of dust filtration cloth cover, the dust filtration cloth cover carries out reciprocal shrink and tensile, avoid the dust to adsorb at the outer wall of dust filtration cloth cover, avoid the jam of dust filtration cloth cover, thereby improve the inside heat of heat dissipation section of thick bamboo and run through the efficiency that the dust filtration cloth cover distributed out.

Description

Automatic fire alarm host

Technical Field

The utility model relates to a switch board technical field specifically is a conflagration automatic alarm host computer.

Background

The fire-fighting linkage control system consists of a fire-fighting linkage controller, a fire-fighting control room graphic display device, a fire-fighting electrical control device (a fire-fighting rolling screen controller, a gas fire-fighting controller and the like), a fire-fighting electric device, a fire-fighting linkage module, a fire hydrant button, fire-fighting emergency broadcasting equipment, a fire-fighting telephone and other equipment and components, wherein the linkage controller accurately sends linkage control signals to fire-fighting equipment such as a fire pump, a spray pump, a fire door, a fire valve, a smoke prevention and discharge valve, ventilation and the like according to set control logic when a fire occurs, so as to complete the control functions of other fire-fighting related equipment such as the fire-fighting system, an evacuation induction system, the smoke prevention and discharge system, a fire rolling screen and the like, when the fire-fighting equipment acts, the action signals are fed back to the fire-fighting control room and displayed, a fire automatic alarm host of the fire-fighting linkage controller is usually installed in a control cabinet of the control room, and the control cabinet is an important component of the fire automatic alarm host.

Because the automatic fire alarm host is in a working state at all times, the heat of electronic components (such as a processing chip, a controller and an integrated circuit) in the automatic fire alarm host control cabinet needs to be diffused out in time for heat dissipation so as to ensure the normal operation of the automatic fire alarm host, if the heat cannot be diffused in time, the internal temperature of the automatic fire alarm host rises, the internal electronic component materials of the automatic fire alarm host crack due to different thermal stresses, the temperature is too high, the surface of a conductor of an electric contact part of the electronic component is oxidized violently, the contact resistance is obviously increased, the electronic component is easily burnt, a dust filtering cloth bag at the top end of the existing control cabinet is easily attached with dust to cause blockage, the heat dissipation efficiency is reduced, and the automatic fire alarm host is provided for better heat dissipation of the control cabinet.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem of low heat dissipation efficiency, an automatic fire alarm host is provided.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic fire alarm host comprises a cabinet body with an air inlet groove and a heat dissipation cylinder, wherein the heat dissipation cylinder is fixedly connected to the top end of the cabinet body, a movable cover is slidably mounted above the heat dissipation cylinder, dust filter cloth sleeves are sleeved on the outer walls of the heat dissipation cylinder and the movable cover, and a transmission mechanism extending to the top end of the cabinet body is arranged inside the heat dissipation cylinder and used for reciprocating up-and-down movement of the movable cover;

the transmission mechanism comprises a reciprocating screw rod in threaded connection with one end of the movable cover, the bottom end of the reciprocating screw rod is fixedly connected with a first worm gear, a connecting shaft extending to the outside of the heat radiating cylinder is rotatably installed inside the heat radiating cylinder, a first worm is fixedly installed on one side, located on the first worm gear, of the outer wall of the connecting shaft, and the first worm gear is meshed with the first worm;

the transmission mechanism further comprises a fan shaft which is rotatably installed inside the heat dissipation cylinder, the top end of the fan shaft is fixedly connected with fan blades, the bottom end of the fan shaft is fixedly welded with a second worm wheel, the outer wall of the connecting shaft is located on one side of the second worm wheel, and a second worm is fixedly connected with the second worm wheel and meshed with the second worm wheel.

As a further aspect of the present invention: the fan comprises a fan shaft, a fan support, a connecting shaft, a heat dissipation cylinder and a motor, wherein the fan shaft is arranged in the heat dissipation cylinder, the fan shaft is connected with the fan support through a bearing in a rotating mode, the connecting shaft is connected with the heat dissipation cylinder through a bearing in a rotating mode, and the motor is connected to one end of the connecting shaft.

As a further aspect of the present invention: the output end of the motor is connected with the connecting shaft through a coupler, and the motor is fixed on the outer wall of the cabinet body through rack installation.

As a further aspect of the present invention: the top of the cabinet body is located the one end fixed mounting of a heat dissipation section of thick bamboo has the guiding axle, it keeps away from to remove the lid the spout has been seted up to the one end of reciprocal lead screw, the outer wall of spout with the outer wall phase-match of guiding axle.

As a further aspect of the present invention: first draw-in groove has been seted up to the lower part outer wall of removal lid, the second draw-in groove has been seted up to the outer wall of a heat dissipation section of thick bamboo, first draw-in groove the inside clamp that all installs of second draw-in groove.

As the utility model discloses further scheme again: two have been seted up to the air inlet groove symmetry, two the air inlet groove is located respectively the outer wall both ends of the cabinet body, the internally mounted of air inlet groove has the filter screen.

As the utility model discloses further scheme again: the top fixed mounting of the cabinet body has the fixing base, the top of reciprocal lead screw with the fixing base passes through the bearing and rotates the connection, reciprocal lead screw with first worm wheel passes through pivot fixed connection, the bottom of pivot with the top of the cabinet body passes through the bearing and rotates the connection, first worm wheel cup joints and is fixed in the outer wall of pivot.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up drive mechanism, realize that the connecting axle drives first worm and second worm and rotate, make the fan shaft drive the flabellum and rotate, make the inside air of heat dissipation section of thick bamboo pass the outside while of dirt cloth cover diffusion to heat dissipation section of thick bamboo, when first worm wheel drives reciprocal lead screw pivoted, remove the lid and reciprocate along the outer wall of reciprocal lead screw, when making the reciprocal reciprocating of top of dirt cloth cover reciprocate, dirt cloth cover carries out reciprocal shrink and tensile, avoid the dust to adsorb at the outer wall of dirt cloth cover, avoid dirt cloth cover to block up, thereby improve the inside heat of heat dissipation section of thick bamboo and run through the efficiency that dirt cloth cover distributed out.

Drawings

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

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional structural view of the heat dissipating barrel of the present invention;

fig. 4 is a schematic structural view of the clamp of the present invention.

In the figure: 1. a cabinet body; 2. a heat-dissipating cylinder; 3. moving the cover; 4. a dust filter cloth sleeve; 5. a transmission mechanism; 501. a reciprocating screw rod; 502. a first worm gear; 503. a connecting shaft; 504. a first worm; 505. a second worm; 506. a fan shaft; 507. a fan blade; 508. a second worm gear; 6. clamping a hoop; 7. and (4) guiding the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The electric machine mentioned in the present invention (ZWPD 020020) can be purchased in the market or by private subscription.

Referring to fig. 1 to 4, in an embodiment of the present invention, an automatic fire alarm host includes a cabinet body 1 having two air inlet slots and a heat dissipation cylinder 2, the two air inlet slots are symmetrically disposed, the two air inlet slots are respectively located at two ends of an outer wall of the cabinet body 1, a filter screen is installed inside the air inlet slots, the heat dissipation cylinder 2 is fixedly connected to a top end of the cabinet body 1, a movable cover 3 is slidably installed above the heat dissipation cylinder 2, a dust filter cloth cover 4 is sleeved on outer walls of the heat dissipation cylinder 2 and the movable cover 3, and a transmission mechanism 5 extending to the top end of the cabinet body 1 is installed inside the heat dissipation cylinder 2 for reciprocating up and down movement of the movable cover 3;

the transmission mechanism 5 comprises a reciprocating screw rod 501 in threaded connection with one end of the movable cover 3, one end inside the movable cover 3 is provided with a rotatable crescent pin, the bottom end of the reciprocating screw rod 501 is fixedly connected with a first worm wheel 502, the inside of the heat dissipation cylinder 2 is rotatably provided with a connecting shaft 503 extending to the outside of the heat dissipation cylinder 2, the outer wall of the connecting shaft 503 is positioned at one side of the first worm wheel 502 and is fixedly provided with a first worm 504, and the first worm wheel 502 and the first worm 504 are in meshed connection;

the transmission mechanism 5 further comprises a fan shaft 506 rotatably mounted inside the heat dissipation cylinder 2, the top end of the fan shaft 506 is fixedly connected with fan blades 507, the bottom end of the fan shaft 506 is fixedly welded with a second worm wheel 508, the outer wall of the connecting shaft 503 is positioned on one side of the second worm wheel 508 and is fixedly connected with a second worm 505, and the second worm 505 and the second worm wheel 508 are connected in an engaged manner.

In this embodiment: the second worm 505 is driven to rotate through the connecting shaft 503, the second worm 505 drives the second worm wheel 508 to rotate, the second worm wheel 508 drives the fan shaft 506 to rotate, the fan shaft 506 drives the fan blade 507 to rotate, the fan blade 507 conveys the internal air of the heat dissipation cylinder 2 upwards, the internal air of the heat dissipation cylinder 2 penetrates through the dust filter cloth sleeve 4 to be diffused to the outside of the heat dissipation cylinder 2, meanwhile, the connecting shaft 503 drives the first worm 504 to rotate, the first worm 504 drives the first worm wheel 502 to rotate, the first worm wheel 502 drives the reciprocating screw rod 501 to rotate, the movable cover 3 reciprocates up and down along the outer wall of the reciprocating screw rod 501, the top end of the dust filter cloth sleeve 4 reciprocates up and down, the dust filter cloth sleeve 4 reciprocates to contract and stretch, dust is prevented from being adsorbed on the outer wall of the dust filter cloth sleeve 4, the dust filter cloth sleeve 4 is prevented from being blocked, and accordingly the efficiency of heat inside the heat dissipation cylinder 2, which penetrates through the dust filter cloth sleeve 4, is improved.

Please refer to fig. 3, a support frame is fixedly installed inside the heat dissipating cylinder 2, the support frame is rotatably connected with the fan shaft 506 through a bearing, the connecting shaft 503 is rotatably connected with the heat dissipating cylinder 2 through a bearing, one end of the connecting shaft 503 is connected with a motor, an output end of the motor is connected with the connecting shaft 503 through a coupling, and the motor is fixedly installed on the outer wall of the cabinet body 1 through a rack.

In this embodiment: the fan shaft 506 is supported by the support frame to be installed in a limiting and rotating mode, the motor drives the connecting shaft 503 to rotate, the connecting shaft 503 rotates to drive the first worm 504 and the second worm 505 to rotate synchronously, and therefore the first worm wheel 502 and the second worm wheel 508 rotate synchronously.

Please refer to fig. 1 and fig. 3, a guiding shaft 7 is fixedly installed at one end of the top end of the cabinet body 1, which is located at the heat dissipating cylinder 2, and a sliding groove is formed at one end of the movable cover 3, which is far away from the reciprocating screw rod 501, and the outer wall of the sliding groove is matched with the outer wall of the guiding shaft 7.

In this embodiment: while the reciprocating screw rod 501 rotates, under the limiting action of the guide shaft 7, the movable cover 3 reciprocates along the outer walls of the reciprocating screw rod 501 and the guide shaft 7.

Please refer to fig. 1 to 4, a first engaging groove is formed on an outer wall of a lower portion of the movable cover 3, a second engaging groove is formed on an outer wall of the heat dissipating cylinder 2, a clamp 6 is installed inside each of the first engaging groove and the second engaging groove, and an outer wall of the clamp 6 is engaged with inner walls of the first engaging groove and the second engaging groove.

In this embodiment: through cup jointing the top of straining dirt cloth cover 4 in the lower part outer wall of removal lid 3, make a clamp 6 cup joint in first draw-in groove, and it is fixed to lock through two tip of bolt to the clamp, thereby make the fixed cover in the outer wall of removal lid 3 in the top of straining dirt cloth cover 4, then cup joint the bottom of straining dirt cloth cover 4 in the outer wall of heat dissipation section of thick bamboo 2, make another clamp 6 cup joint in the second draw-in groove, and it is fixed to lock through two tip of bolt to the clamp, thereby make the fixed cover in the outer wall of heat dissipation section of thick bamboo 2 in the bottom of straining dirt cloth cover 4.

Please refer to fig. 2 and fig. 3, a fixing base is fixedly installed at the top end of the cabinet 1, the top end of the reciprocating screw rod 501 is rotatably connected with the fixing base through a bearing, the reciprocating screw rod 501 is fixedly connected with the first worm gear 502 through a rotating shaft, the bottom end of the rotating shaft is rotatably connected with the top end of the cabinet 1 through a bearing, and the first worm gear 502 is fixedly sleeved on the outer wall of the rotating shaft.

In this embodiment: the reciprocating screw rod 501 is rotatably mounted at one end of the heat dissipating cylinder 2 through the fixing seat, the first worm wheel 502 is rotated to drive the rotating shaft to rotate, and simultaneously, the rotating shaft drives the reciprocating screw rod 501 to rotate, so that the movable cover 3 reciprocates along the outer wall of the reciprocating screw rod 501.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automatic fire alarm host comprises a cabinet body (1) with an air inlet groove and a heat dissipation cylinder (2), and is characterized in that a movable cover (3) is slidably mounted above the heat dissipation cylinder (2), the outer walls of the heat dissipation cylinder (2) and the movable cover (3) are sleeved with a dust filter cloth sleeve (4), and a transmission mechanism (5) extending to the top end of the cabinet body (1) is arranged inside the heat dissipation cylinder (2) and used for reciprocating up-and-down movement of the movable cover (3);

the transmission mechanism (5) comprises a reciprocating screw rod (501) which is in threaded connection with one end of the movable cover (3), the bottom end of the reciprocating screw rod (501) is fixedly connected with a first worm wheel (502), a connecting shaft (503) which extends to the outside of the heat radiating cylinder (2) is rotatably arranged in the heat radiating cylinder (2), and the outer wall of the connecting shaft (503) is sleeved with a first worm (504);

drive mechanism (5) still including rotate install in inside fan axle (506) of heat dissipation section of thick bamboo (2), the top fixedly connected with flabellum (507) of fan axle (506), the bottom welding of fan axle (506) has second worm wheel (508), the outer wall of connecting axle (503) has cup jointed second worm (505).

2. The automatic fire alarm host of claim 1, wherein a support frame is fixedly installed inside the heat dissipation cylinder (2), and one end of the connecting shaft (503) is connected with a motor.

3. The automatic fire alarm host machine according to claim 1, wherein a guide shaft (7) is fixedly installed at one end of the top end of the cabinet body (1) located at the heat dissipation cylinder (2).

4. The automatic fire alarm main unit according to claim 1, wherein a first clamping groove is formed in the outer wall of the lower portion of the movable cover (3), a second clamping groove is formed in the outer wall of the heat dissipation cylinder (2), and a clamp (6) is mounted inside each of the first clamping groove and the second clamping groove.

5. A fire automatic alarm host machine according to claim 1, characterized in that a fixed seat is fixedly installed at the top end of the cabinet body (1).