CN212454873U

CN212454873U - Be used for civil air defense engineering quick ventilation equipment

Info

Publication number: CN212454873U
Application number: CN201821746553.1U
Authority: CN
Inventors: 胡松涛; 李华松; 陈尚武; 金国庆; 邬文达; 田远东
Original assignee: Zhejiang Yutong Information Technology Engineering Co ltd
Current assignee: Zhejiang Yutong Information Technology Engineering Co ltd
Priority date: 2018-10-26
Filing date: 2018-10-26
Publication date: 2021-02-02
Anticipated expiration: 2028-10-26

Abstract

The utility model discloses a rapid ventilation device for civil air defense engineering, which comprises a basement, a drainage device, a ventilation pipe, a main exhaust fan and a control terminal, wherein the top of one side wall body of the basement is provided with an air inlet, and the top of the wall body at the other side of the basement is provided with an air outlet, the air inlet is fixedly provided with a ventilation pipe, the drainage device is fixedly arranged at the bottom of the ventilation pipe and comprises a shell, an air suction cover, a volute, a centrifugal impeller, a first rotating shaft, a first motor, a partition plate, a pressurizing cavity, a nozzle, a cylinder and a pressure-changing plate, the shell penetrates through the bottom of the ventilation pipe, the bottom of the outer side of the shell is fixedly connected with the carbon dioxide sensor, the civil air defense engineering rapid ventilation equipment can rapidly ventilate and exchange air in civil air defense engineering, meanwhile, the air pressure can be changed through the carbon dioxide sensor and the air cylinder, so that the ventilation efficiency is changed according to the real-time carbon dioxide content.

Description

Be used for civil air defense engineering quick ventilation equipment

Technical Field

The utility model relates to a civil air defense engineering ventilation technical field specifically is a be used for quick ventilation equipment of civil air defense engineering.

Background

Civil air defense engineering also calls civil air defense workers, which refer to underground protective buildings independently built for guaranteeing personnel and material shielding, civil air defense commanding and medical aid in wartime and basements built by combining ground buildings and used for air defense in wartime, and the civil air defense engineering is an important facility for preventing enemy from attacking suddenly, effectively shielding personnel and materials and storing war potential; the method is an engineering guarantee for adhering to town battles and supporting anti-aggression wars to victory for a long time.

Civil air defense engineering includes a lot of main civil air defense equipment, ventilation equipment is one of them very important, current civil air defense ventilation equipment, mainly set up fan and ventilation pipe, it flows to drive the air current through the fan, thereby ventilate in the civil air defense engineering, however when a large amount of personnel of basement gathering, carbon dioxide content can increase fast, lead to the oxygen content to reduce, make people breathe unsmooth, current ventilation equipment, because it drives the air current ventilation to be external fan, the air flow is slower under this kind of condition, ventilation efficiency is lower, and ventilation efficiency is relatively fixed, lead to current civil air defense engineering can't satisfy many people's number gathering basement, for this reason, we propose one kind and be used for the quick ventilation equipment of civil air defense engineering.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for quick ventilation equipment of civil air defense engineering to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a quick ventilation equipment for civil air defense engineering comprises a basement, a drainage device, a ventilation pipe, a main exhaust fan and a control terminal, wherein air inlets are arranged at the tops of wall bodies on two sides of the basement, an air outlet is arranged at the top of a wall body on the other side of the basement, the two ends of the ventilation pipe are respectively fixed at the air inlets on two sides of the wall body, the drainage device is fixedly installed at the bottom of the ventilation pipe and comprises a shell, an air suction cover, a volute, a centrifugal impeller, a first rotating shaft, a first motor, a partition plate and a nozzle, the shell penetrates through the bottom of the ventilation pipe, a carbon dioxide sensor is fixedly connected to the bottom of the outer side of the shell, the volute is fixedly connected into the shell, the bottom of the air suction cover penetrates through the top of the shell and is fixedly connected with the top of the volute, the, the bottom of the shell is fixedly connected with a first motor, the output end of the first motor is fixedly connected with the bottom end of a first rotating shaft, the first rotating shaft is rotatably connected with the bottom of the volute through a bearing, a centrifugal impeller is fixedly connected onto the first rotating shaft, one side of the volute is provided with a separation plate which is fixedly installed in the shell, the separation plate and the side wall of the shell form a pressurizing cavity, the air outlet end of the volute penetrates through the separation plate and is positioned in the pressurizing cavity, the side wall of the shell is provided with a pressurizing hole, the other side of the pressurizing hole is fixedly connected with a nozzle, the pressurizing hole is communicated with the nozzle, a main exhaust fan is arranged in the air outlet, the main exhaust fan comprises an installation frame, a fixed frame, a fan blade, a driven wheel, a belt pulley and a second motor, the installation frame is fixedly installed in the, second motor fixed mounting is bottom in the installing frame, second motor output end fixedly connected with belt pulley, the belt pulley is connected with from the driving wheel through belt transmission, from the interior fixedly connected with second pivot of driving wheel, fan leaf fixed connection is in the second pivot, second pivot both ends are all through mounting fixed connection in fixed frame, control terminal fixed connection is at the lateral wall of basement, carbon dioxide sensor, first motor and second motor all with control terminal electric connection.

Preferably, the air outlet equidistance is equipped with a plurality ofly, and equal fixedly connected with separation net in air intake and the air outlet, the intraoral first motor of air outlet is variable frequency speed governing motor, ventilation pipe evenly distributed is in the civil air defense engineering basement.

Preferably, an activated carbon adsorption net and a resistance wire heating net are installed in the air inlet, the activated carbon adsorption net is located on the inner side of the isolation net, the resistance wire heating net is located on the inner side of the activated carbon adsorption net, a humidity sensor is fixedly connected to one side of the carbon dioxide sensor, and the humidity sensor and the resistance wire heating net are both electrically connected with the control terminal.

Preferably, the first motor and the second motor are fixedly connected to the damping base, and the first motor and the second motor are fixedly installed through the damping base.

Preferably, a cylinder is arranged in the pressurizing cavity, the cylinder is fixedly connected to the inner wall of the shell, a variable pressure plate is fixedly connected to the output end of the cylinder, the variable pressure plate is located on one side of the pressurizing hole and is in sliding connection with the side wall of the shell, a through hole is formed in the variable pressure plate, and the through hole is communicated with the pressurizing hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, rotate through first motor, the centrifugal impeller who drives the output rotates at a high speed, thereby cover quick air-in from the ventilation pipe through breathing in, the air gives vent to anger through the spiral case and holds the entering pressure chamber, the variable pressure board of flowing through is spout from the nozzle, through the high-speed spun gas of nozzle, air formation air current in the drive civil air defense engineering, bring the air in the civil air defense engineering to the air outlet, and the work of the interior main exhaust fan of air outlet, with near the quick outside water conservancy diversion of air in air outlet, thereby ventilate fast, and simultaneously, through the carbon dioxide sensor, can carry out real-time supervision to the air in the civil air defense engineering.

2. The utility model discloses, through setting up a plurality of air outlets, and ventilation pipe evenly distributed, can evenly ventilate in the basement, and the air intake and the separation net that the air outlet set up, can prevent effectively that the foreign matter from entering into the civil air defense engineering basement, and the second motor is variable frequency speed regulating motor, can be directed against the carbon dioxide of different contents in the civil air defense engineering, through changing the motor speed, thereby change the speed of ventilation, through setting up the active carbon adsorption net, can get rid of the peculiar smell that probably exists in the ventilation process air, because the civil air defense engineering basement is usually moist partially, through humidity transducer and resistance wire heating net, can effectively get rid of the moisture in the civil air defense engineering basement, make people more comfortable, first motor and second motor are all fixed on vibration damping mount, can effectively avoid producing the noise, improve the life of the device simultaneously, and when carbon dioxide content is too high, the cylinder is controlled to stretch through the control terminal, the aperture of the air outlet hole of the pressurizing cavity is changed, and air pressure in the pressurizing cavity is increased, so that air flow sprayed out from the nozzle is higher in speed, and the ventilation rate is further increased.

Drawings

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

FIG. 2 is a left side schematic view of the present invention;

FIG. 3 is a right side schematic view of the present invention;

FIG. 4 is a schematic view of the main exhaust fan of the present invention;

FIG. 5 is a schematic view of the main section structure of the drainage device of the present invention;

FIG. 6 is a schematic view of the top-down structure of the present invention;

FIG. 7 is an enlarged schematic view of the area A of the present invention;

FIG. 8 is an enlarged schematic view of the area B of the present invention;

FIG. 9 is an enlarged schematic view of the area C of the present invention;

fig. 10 is an enlarged schematic view of the pressure-variable plate of the present invention.

In the figure: 1-basement; 2-a drainage device; 3-a ventilation pipe; 4-main exhaust fan; 5-controlling the terminal; 6-air inlet; 7-a housing; 8-an air suction hood; 9-a volute; 10-centrifugal impeller; 11-a first shaft; 12-a first electric machine; 14-a separator plate; 15-a pressurized chamber; 16-a nozzle; 17-a carbon dioxide sensor; 18-a cylinder; 19-a pressurized hole; 20-a pressure-changing plate; 21-a through hole; 22-air outlet; 23-mounting a frame; 24-a fixed frame; 25-fan blades; 26-a driven wheel; 27-a belt pulley; 28-a second motor; 29-a second shaft; 30-an isolation net; 31-an activated carbon adsorption net; 32-resistance wire heating net; 33-a shock-absorbing mount; 34-humidity sensor.

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.

Referring to fig. 1-9, the present invention provides a technical solution: a quick ventilation equipment for civil air defense engineering comprises a basement 1, a flow guiding device 2, a ventilation pipe 3, a main exhaust fan 4 and a control terminal 5, wherein air inlets 6 are arranged at the top of wall bodies at two sides of the basement 1, an air outlet 22 is arranged at the top of the wall body at the other side of the basement 1, two ends of the ventilation pipe 3 are respectively fixed at the air inlets 6 at two sides of the wall body, the flow guiding device 2 is fixedly arranged at the bottom of the ventilation pipe 3, the flow guiding device 2 comprises a shell 7, an air suction cover 8, a volute 9, a centrifugal impeller 10, a first rotating shaft 11, a first motor 12, a partition plate 14, a nozzle 16, a cylinder 18 and a pressure changing plate 20, the shell 7 penetrates through the bottom of the ventilation pipe 3, a carbon dioxide sensor 17 is fixedly connected with the bottom of the outer side of the shell 7, the volute 9 is fixedly connected with the inner side of the shell, the bottom end of the air suction cover 8 is fixedly communicated with the top of the volute 9, the air suction end of the air suction cover 8 is positioned in the ventilation pipe 3, the bottom of the shell 7 is fixedly connected with a first motor 12, the output end of the first motor 12 is fixedly connected with the bottom end of a first rotating shaft 11, the first rotating shaft 11 is rotatably connected with the bottom of the volute 9 through a bearing, a centrifugal impeller 10 is fixedly connected onto the first rotating shaft 11, a partition plate 14 is arranged on one side of the volute 9, the partition plate 14 is fixedly installed in the shell 7, the partition plate 14 and the side wall of the shell 7 form a pressurizing cavity 15, the air outlet end of the volute 9 penetrates through the partition plate 14 and is positioned in the pressurizing cavity 15, an air cylinder 18 is arranged in the pressurizing cavity 15, the air cylinder 18 is fixedly connected onto the inner wall of the shell 7, a pressurizing hole 19 is formed in the shell 7, the output end of the air cylinder 18 is fixedly, the pressure-changing plate 20 is slidably connected with the side wall of the housing 7, the other side of the pressurizing hole 19 is fixedly connected with the nozzle 16, the pressure-changing plate 20 is provided with a through hole 21, the pressurizing hole 19 and the nozzle 16 are communicated, the air outlet 22 is internally provided with the main exhaust fan 4, the main exhaust fan 4 comprises a mounting frame 23, a fixing frame 24, a fan blade 25, a driven wheel 26, a belt pulley 27 and a second motor 28, the mounting frame 23 is fixedly arranged in the air outlet 22, the outer side of the fixing frame 24 is fixedly connected with the mounting frame 23 through a fixing block, the second motor 28 is fixedly arranged at the bottom in the mounting frame 23, the output end of the second motor 28 is fixedly connected with the belt pulley 27, the belt pulley 27 is connected with the driven wheel 26 through belt transmission, the driven wheel 26 is internally and fixedly connected with a second rotating shaft 29, both ends of the second rotating shaft 29 are fixedly connected in the fixing frame 24 through fixing pieces, the control terminal 5 is fixedly connected on the side wall of the basement 1, and the carbon dioxide sensor 17, the first motor 12 and the second motor 28 are electrically connected with the control terminal 5.

The air outlet 22 equidistance is equipped with a plurality ofly, and equal fixedly connected with separation net 30 in air intake 6 and the air outlet 22, second motor 28 in the air outlet 22 is variable frequency speed motor, ventilation pipe 3 evenly distributed is in civil air defense engineering basement 1, through setting up a plurality of air outlets 22, and ventilation pipe 3 evenly distributed, can be even to carrying out ventilation in basement 1, and air intake 6 and the separation net 30 of air outlet 22 setting can prevent effectively that the foreign matter from entering into civil air defense engineering basement 1 in, second motor 28 is variable frequency speed motor, then can be to the carbon dioxide content of difference in the civil air defense engineering, through changing self rotational speed to change ventilation's speed.

Installation active carbon adsorption net 31 and resistance wire heating net 32 in the air intake 6, active carbon adsorption net 31 is located the inboard of separation net 30, and resistance wire heating net 32 is located the inboard of active carbon adsorption net 31, carbon dioxide sensor 17 one side fixedly connected with humidity transducer 34, humidity transducer 34 and resistance wire heating net 32 all with control terminal 5 electric connection, through setting up active carbon adsorption net 31, can effectively get rid of the peculiar smell that probably exists in the ventilation process air, because civil air defense engineering basement 1 is moist partially usually, through humidity transducer 34 and resistance wire heating net 32, can effectively get rid of the moisture in the civil air defense engineering basement 1, make the people more comfortable.

First motor 12 and the equal fixed connection of second motor 28 are on vibration damping mount 33, first motor 12 and second motor 28 all pass through vibration damping mount 33 fixed mounting, through vibration damping mount 33, can effectively avoid producing the noise, improve device's life simultaneously.

The utility model discloses a pressurization chamber 15, including pressurization chamber 15, cylinder 18, pressure change board 20 and shell 7 lateral wall sliding connection, through-hole 21 has been seted up on the pressure change board 20, through-hole 21 and pressurization hole 19 intercommunication, and when carbon dioxide content was too high, control cylinder 18 was flexible through control terminal 5 when carbon dioxide content was too high, changed the aperture of pressurization chamber 15 venthole, increased the atmospheric pressure in the pressurization chamber 15 for nozzle 16 spun air current is higher speed, thereby further increases ventilation's rate.

The working principle is as follows: the centrifugal impeller 10 at the output end is driven to rotate at a high speed by the rotation of the first motor 12, so that air is sucked from the ventilation pipe 3 through the air suction cover 8, the air enters the pressurizing cavity 15 through the air outlet end of the volute 9, flows through the variable pressure plate 20 and is sprayed out from the nozzle 16, the air in the civil air defense engineering is driven to form air flow by the air sprayed out from the nozzle 16 at a high speed, the air in the civil air defense engineering is quickly brought to the air outlet 22, the air outlet 22 is provided with a plurality of air outlets, the air near the air outlet 22 is quickly guided outwards by the work of the main exhaust fan 4 in the air outlet 22, the quick ventilation is realized, meanwhile, the control terminal 5 controls the cylinder 18 to stretch when the content of carbon dioxide in the air is too high, the aperture of the air outlet hole of the pressurizing cavity 15 is changed, so that the air pressure in the pressurizing cavity 15 is increased, and the air flow sprayed, thereby further increase ventilation's efficiency more, when temperature sensor 34 monitors humidity higher, control terminal 5 starts resistance wire heating net 32, thereby carry out the drying to the air of civil defense engineering basement 1, through set up active carbon filter screen 31 at air intake 6, can filter the air, get rid of the peculiar smell in the air, and when carbon dioxide content was too high, it is flexible through control terminal 5 control cylinder 18, the aperture of 15 ventholes in chamber is pressurizeed in the change, increase the atmospheric pressure in the pressurization chamber 15, make nozzle 16 spun air current higher speed, thereby further increase ventilation's rate more.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a be used for quick ventilation equipment of civil air defense engineering, includes basement (1), drainage device (2), ventilation pipe (3), main exhaust fan (4) and control terminal (5), its characterized in that: the top of the wall body at two sides of the basement (1) is provided with an air inlet (6), the top of the wall body at one side of the basement (1) is provided with an air outlet (22), two ends of the ventilation pipe (3) are respectively fixed at the air inlets (6) at two sides of the wall body, the drainage device (2) is fixedly arranged at the bottom of the ventilation pipe (3), the drainage device (2) comprises a shell (7), an air suction cover (8), a volute (9), a centrifugal impeller (10), a first rotating shaft (11), a first motor (12), a partition plate (14) and a nozzle (16), the shell (7) penetrates through the bottom of the ventilation pipe (3), the bottom of the outer side of the shell (7) is fixedly connected with a carbon dioxide sensor (17), the volute (9) is fixedly connected in the shell (7), the bottom of the air suction cover (8) penetrates through the top of the shell (7), and the air, the bottom end of the air suction cover (8) is fixedly communicated with the top of the volute (9), the air suction end of the air suction cover (8) is positioned in the ventilation pipe (3), the bottom of the shell (7) is fixedly connected with a first motor (12), the output end of the first motor (12) is fixedly connected with the bottom end of a first rotating shaft (11), the first rotating shaft (11) is rotatably connected with the bottom of the volute (9) through a bearing, a centrifugal impeller (10) is fixedly connected onto the first rotating shaft (11), a partition plate (14) is arranged on one side of the volute (9), the partition plate (14) is fixedly installed in the shell (7), a pressurizing cavity (15) is formed by the partition plate (14) and the side wall of the shell (7), the air outlet end of the volute (9) penetrates through the partition plate (14) and is positioned in the pressurizing cavity (15), a pressurizing hole (19) is formed in the side wall of the shell (7), and a nozzle (16) is fixedly connected with the, the pressurizing hole (19) is communicated with the nozzle (16), a main exhaust fan (4) is arranged in the air outlet (22), the main exhaust fan (4) comprises an installation frame (23), a fixed frame (24), fan blades (25), a driven wheel (26), a belt pulley (27) and a second motor (28), the installation frame (23) is fixedly installed in the air outlet (22), the outer side of the fixed frame (24) is fixedly connected with the installation frame (23) through a fixed block, the second motor (28) is fixedly installed at the inner bottom of the installation frame (23), the output end of the second motor (28) is fixedly connected with the belt pulley (27), the belt pulley (27) is connected with the driven wheel (26) through belt transmission, a second rotating shaft (29) is fixedly connected in the driven wheel (26), the fan blades (25) are fixedly connected on the second rotating shaft (29), two ends of the second rotating shaft (29) are both fixedly connected in the fixed frame (24), control terminal (5) fixed connection is at the lateral wall of basement (1), carbon dioxide sensor (17), first motor (12) and second motor (28) all with control terminal (5) electric connection.

2. The rapid ventilation device for civil air defense engineering according to claim 1, characterized in that: the air outlet (22) equidistance is equipped with a plurality ofly, and equal fixedly connected with separation net (30) in air intake (6) and air outlet (22), first motor (12) in air outlet (22) are variable frequency speed governing motor, ventilation pipe (3) evenly distributed is in civil air defense engineering basement (1).

3. The rapid ventilation device for civil air defense engineering according to claim 1, characterized in that: the carbon dioxide adsorption device is characterized in that an active carbon adsorption net (31) and a resistance wire heating net (32) are installed in the air inlet (6), the active carbon adsorption net (31) is located on the inner side of the isolation net (30), the resistance wire heating net (32) is located on the inner side of the active carbon adsorption net (31), a humidity sensor (34) is fixedly connected to one side of the carbon dioxide sensor (17), and the humidity sensor (34) and the resistance wire heating net (32) are both electrically connected with the control terminal (5).

4. The rapid ventilation device for civil air defense engineering according to claim 1, characterized in that: first motor (12) and second motor (28) are all fixed connection on vibration damping mount (33), first motor (12) and second motor (28) are all through vibration damping mount (33) fixed mounting.

5. The rapid ventilation device for civil air defense engineering according to claim 1, characterized in that: be equipped with cylinder (18) in pressurization chamber (15), cylinder (18) fixed connection is on shell (7) inner wall, cylinder (18) output end fixedly connected with vary clamp plate (20), vary clamp plate (20) are located pressurization hole (19) one side, and vary clamp plate (20) and shell (7) lateral wall sliding connection, through-hole (21) have been seted up on vary clamp plate (20), through-hole (21) and pressurization hole (19) intercommunication.