阅读说明：本技术 一种消防排烟系统 (Fire-fighting smoke exhaust system ) 是由 李小成 贺元 郭守涛 顾陈辉 宋骏 于 2021-06-16 设计创作，主要内容包括：本申请涉及一种消防排烟系统,包括房体,房体内部设置有隔板,隔板与顶壁之间形成管路安装空间,管路安装空间内固定安装有排烟管路,还包括排烟控制器,排烟管路包括排烟主路和多条排烟支路,隔板上开设有第一开口,排烟主路内设置有抽风装置,各排烟支路内分别设置有第一电磁阀,各排烟支路的末端内壁上还固定设置有烟雾传感器,排烟控制器具有以下设定程序,当烟雾传感器未检测到火灾产生的烟雾时,控制各排烟支路内的第一电磁阀打开,控制抽风装置处于关闭状态。本申请的消防排烟系统发生火灾时通过烟雾传感器则可以精准定位发生火灾的区域,抽风装置启动集中风力对发生火灾的区域进行排烟。(The utility model relates to a fire control system of discharging fume, including the room body, the internal portion in room is provided with the baffle, form the pipeline installation space between baffle and the roof, fixed mounting has the pipeline of discharging fume in the pipeline installation space, still include smoke exhaust controller, the pipeline of discharging fume includes main road of discharging fume and many branch roads of discharging fume, first opening has been seted up on the baffle, be provided with updraft ventilator in the main road of discharging fume, be provided with first solenoid valve in each branch road of discharging fume respectively, still the fixed smoke transducer that is provided with on the terminal inner wall of each branch road of discharging fume, smoke exhaust controller has following settlement procedure, when smoke transducer does not detect the smog that the conflagration produced, the first solenoid valve in each branch road of discharging fume of control is opened, control updraft ventilator is in the off-state. The utility model provides a fire control system of discharging fume when taking place the conflagration then can the accurate location take place the region of conflagration through smoke transducer, updraft ventilator starts concentrated wind-force and discharges fume the region of taking place the conflagration.)

1. The utility model provides a fire control system of discharging fume, includes the room body (1), and the inside fixed position that is close to roof (11) in the room body (1) is provided with baffle (2), forms pipeline installation space between baffle (2) and roof (11), and fixed mounting has the pipeline of discharging fume, its characterized in that in the pipeline installation space: the smoke exhaust pipeline comprises a main smoke exhaust path (3) and a plurality of smoke exhaust branches (4), each smoke exhaust branch (4) is communicated with the tail end of the main smoke exhaust path (3), the main smoke exhaust path (3) is communicated with the outside, a first opening (21) which is communicated with the tail end of each smoke exhaust branch (4) is formed in a partition plate (2), the tail ends of the smoke exhaust branches (4) are distributed on the partition plate (2) at intervals, an air draft device is arranged in the main smoke exhaust path (3), a first electromagnetic valve which can be opened or closed is arranged in each smoke exhaust branch (4), a smoke sensor is fixedly arranged on the inner wall of the tail end of each smoke exhaust branch (4), and the air draft device, the first electromagnetic valve and the smoke sensor are electrically connected with the smoke exhaust controller; the smoke exhaust controller is provided with a set program, when the smoke sensor does not detect smoke generated by a fire, the smoke exhaust controller controls the first electromagnetic valve in each smoke exhaust branch (4) to be opened and controls the air exhaust device to be in a closed state; when smoke generated by a fire disaster is detected by a smoke sensor, the first electromagnetic valve which is positioned in the same smoke exhaust branch (4) as the smoke sensor which detects the smoke generated by the fire disaster is kept in an opening state, the first electromagnetic valves in all the rest smoke exhaust branches (4) are closed, and the air exhaust device is controlled to be in a starting state.

2. A fire protection and smoke evacuation system as claimed in claim 1 wherein: still fixed mounting has air refrigeration plant (5) in the pipeline installation space, and air refrigeration plant (5) are connected with the controller electricity of discharging fume, and the air outlet intercommunication of air refrigeration plant (5) has cold wind pipeline, still set up second opening (22) with cold wind pipeline intercommunication on baffle (2).

3. A fire protection and smoke evacuation system as claimed in claim 2 wherein: the cold air conveying pipeline comprises a cold air conveying main path (6) and a cold air conveying branch path (7), the cold air conveying branch path (7) is provided with a plurality of cold air conveying branch paths, each cold air conveying branch path (7) is communicated with the tail end of the cold air conveying main path (6), the cold air conveying main path (6) is communicated with an air outlet of the air refrigerating equipment (5), a second electromagnetic valve capable of being opened or closed is arranged in each cold air conveying branch path (7), and each second electromagnetic valve is electrically connected with the smoke exhaust controller.

4. A fire protection and smoke evacuation system as claimed in claim 3 wherein: each cold air conveying branch (7) and each branch (4) of discharging fume one-to-one set up, the end of each cold air conveying branch (7) all communicates there is cold air discharge pipe way group, cold air discharge pipe way group is including a plurality of cold air discharge pipe way (71), the end of each cold air discharge pipe way (71) of cold air discharge pipe way group is the even interval arrangement of circumference form on the horizontal direction, each branch (4) of discharging fume is located the central point of the cold air discharge pipe way group of the end intercommunication of corresponding cold air conveying branch (7) respectively and puts, second opening (22) and the terminal one-to-one intercommunication setting of each cold air discharge pipe way (71).

5. A fire protection and smoke evacuation system as claimed in claim 4 wherein: the radius of the circumference formed by the tail ends of the cold air discharge pipeline groups connected with the tail ends of the same cold air conveying branch (7) is 6-10 m.

6. A fire protection and smoke evacuation system as claimed in claim 5 wherein: and the smoke exhaust controller is also provided with a setting program, when the smoke sensor detects smoke generated by a fire, the second electromagnetic valve of the corresponding cold air conveying branch (7) is controlled to be opened, the air refrigeration equipment (5) is started, and the second electromagnetic valves of the other cold air conveying branches (7) are controlled to be in a closed state.

7. A fire protection and smoke evacuation system as claimed in claim 1 wherein: still seted up emergent ventilation window on the wall of the room body (1), emergent ventilation window department is provided with window (8) that can open or close, the upper window limit of window (8) articulates at the upper window edge of emergent ventilation window, the top of emergent ventilation window still fixedly is provided with baffle (82), baffle (82) set up with emergent ventilation window relatively, the upside of baffle (82) is fixed on the wall, baffle (82) are 45 contained angles for the wall slope, still fixedly on baffle (82) and the emergent side that ventilates the window is relative be provided with the electro-magnet, the electro-magnet is connected with the exhaust fume controller electricity, it is used for adsorbing complex ferromagnetic metalwork (84) with the electro-magnet to correspond to be provided with on window (8).

8. A fire protection and smoke evacuation system as claimed in claim 7 wherein: still fixedly on baffle (82) be provided with rubber safety cover (83), rubber safety cover (83) cover is established outside the electro-magnet.

9. A fire protection and smoke evacuation system as claimed in claim 8 wherein: the smoke exhaust controller further has a setting program for controlling the energization of the electric circuit of the electromagnet when the smoke sensor detects smoke generated by a fire.

Technical Field

The application relates to the field of fire-fighting systems, in particular to a fire-fighting smoke exhaust system.

Background

Indoor buildings such as shopping malls, cinemas and indoor entertainment places with dense personnel need to be provided with a fire-fighting smoke exhaust system during construction. The fire-fighting smoke exhaust system can timely exhaust toxic and harmful smoke generated by burning indoor articles to the outdoor when a fire disaster happens, and prevents indoor people from inhaling a large amount of toxic and harmful smoke to suffocate and fall down, so that the survival probability of the people is improved, and the life safety of the people is protected.

The Chinese patent with the publication number of CN110274349B discloses a fire-fighting smoke-discharging system, which comprises a house body, wherein a horizontal clapboard is fixedly arranged at the top end of the house body, two first smoke-discharging holes and a second smoke-discharging hole are arranged on the clapboard, the second smoke-discharging hole is arranged at the middle position of the clapboard, the second smoke exhaust hole is positioned between the two first smoke exhaust holes, two opposite side walls of the part of the house body above the partition plate are respectively provided with a first smoke exhaust port which is communicated with a first exhaust channel, the first exhaust channel is communicated with the first smoke exhaust port, the side wall of the part of the house body above the partition plate is also provided with a second smoke exhaust port, and the second exhaust port is positioned on the side wall of the house body adjacent to the two first exhaust ports, the second exhaust port is communicated with the second exhaust channel, a first exhaust fan is arranged in the first exhaust port, and a second exhaust fan is arranged in the second exhaust port. When a large fire disaster occurs, the first exhaust fan and the second exhaust fan work simultaneously, so that indoor smoke and dust are exhausted through the first smoke exhaust hole, the first smoke exhaust port, the second smoke exhaust hole and the second smoke exhaust port respectively.

The technical problem in the prior art is that when the fire-fighting smoke exhaust system is applied to indoor places with large spaces such as shopping malls and cinemas, smoke exhaust can not be carried out on places where fire happens in a targeted manner.

Disclosure of Invention

In order to be able to have pertinence to the place that takes place the condition of a fire to discharge fume, this application provides a fire control system of discharging fume.

The application provides a fire control system of discharging fume adopts following technical scheme:

a fire-fighting smoke discharging system comprises a house body, wherein a partition plate is fixedly arranged in the house body at a position close to a top wall, a pipeline installation space is formed between the partition plate and the top wall, a smoke discharging pipeline is fixedly installed in the pipeline installation space, the smoke discharging pipeline comprises a main smoke discharging pipeline and a plurality of smoke discharging branches, each smoke discharging branch is communicated with the tail end of the main smoke discharging pipeline, the main smoke discharging pipeline is communicated with the outside, a first opening which is communicated with the tail end of each smoke discharging branch is formed in the partition plate, the tail ends of the smoke discharging branches are distributed on the partition plate at intervals, an air draft device is arranged in the main smoke discharging pipeline, a first electromagnetic valve which can be opened or closed is arranged in each smoke discharging branch, a smoke sensor is fixedly arranged on the inner wall of the tail end of each smoke discharging branch, and the air draft device, the first electromagnetic valve and the smoke sensor are all electrically connected with the smoke discharging controller; the smoke exhaust controller is provided with a set program, when the smoke sensor does not detect smoke generated by a fire, the smoke exhaust controller controls the first electromagnetic valve in each smoke exhaust branch to be opened and controls the air exhaust device to be in a closed state; when smoke generated by a fire disaster is detected by a smoke sensor, the first electromagnetic valve which is positioned in the same smoke exhaust branch with the smoke sensor which detects the smoke generated by the fire disaster is kept in an opening state, the first electromagnetic valves in all the rest smoke exhaust branches are closed, and the air exhaust device is controlled to be in a starting state.

By adopting the technical scheme, when a fire disaster does not happen to the fire protection and smoke exhaust system, the smoke exhaust pipeline is used as a common ventilation channel; when a fire disaster occurs, the area where the fire disaster occurs can be accurately positioned through the smoke sensor, the smoke exhaust branch positioned in the area is controlled to be in a communicated state, the smoke exhaust branch in the area where the fire disaster does not occur is controlled to be in a closed state, and the air exhaust device starts concentrated wind power to exhaust smoke in the area where the fire disaster occurs.

Preferably, an air refrigerating device is fixedly mounted in the pipeline mounting space and electrically connected with the smoke exhaust controller, an air outlet of the air refrigerating device is communicated with a cold air conveying pipeline, and a second opening communicated with the cold air conveying pipeline is further formed in the partition plate.

Through adopting above-mentioned technical scheme, when the indoor conflagration that breaks out, can carry air conditioning to indoor cooling to indoor, can have certain limiting action to the condition of a fire, can let indoor masses feel not so difficult moreover.

Preferably, the cold air conveying pipeline comprises a cold air conveying main path and a cold air conveying branch path, the cold air conveying branch path is provided with a plurality of cold air conveying branch paths, each cold air conveying branch path is communicated with the tail end of the cold air conveying main path, the cold air conveying main path is communicated with an air outlet of the air refrigeration equipment, a second electromagnetic valve capable of being opened or closed is arranged in each cold air conveying branch path, and each second electromagnetic valve is electrically connected with the smoke exhaust controller.

Through adopting above-mentioned technical scheme, can open which cold wind conveying branch road through the selectable control of controller of discharging fume to cool down corresponding region.

Preferably, each cold air conveying branch and each branch of discharging fume one-to-one set up, the end of each cold air conveying branch all communicates there is cold air discharge pipe way group, and cold air discharge pipe way group is including a plurality of cold air discharge pipes, and the end of each cold air discharge pipe way of cold air discharge pipe way group is the even interval arrangement of circumference form in the horizontal direction, and each branch of discharging fume is located the central point of the cold air discharge pipe way group of the end intercommunication of corresponding cold air conveying branch respectively, the second opening communicates with the end one-to-one set up of each cold air discharge pipe way.

Through adopting above-mentioned technical scheme, cold wind exhaust pipe group can blow the smog that the conflagration produced to the intermediate position, plays and assembles the effect that the branch road of conveniently discharging fume of smog carries out the suction.

Preferably, the radius of the circumference formed by the ends of the cold air discharge pipe groups connected to the ends of the same cold air delivery branch is 6m to 10 m.

Preferably, the smoke exhaust controller further has a setting program for controlling the second electromagnetic valve of the corresponding cold air conveying branch to be opened, starting the air refrigerating equipment and controlling the second electromagnetic valves of the other cold air conveying branches to be in a closed state when the smoke sensor detects smoke generated by a fire.

By adopting the technical scheme, the targeted cooling of the fire area can be automatically realized.

Preferably, the emergency ventilation window has still been seted up on the wall of the room body, emergency ventilation window department is provided with the window that can open or close, the upper window limit of window articulates at the upper window edge of emergency ventilation window, the top of emergency ventilation window still fixedly is provided with the baffle, the baffle sets up with emergency ventilation window relatively, the upside of baffle is fixed on the wall, the baffle is 45 contained angles for the wall slope, still fixedly on the side that baffle and emergency ventilation window are relative, the electro-magnet is connected with the exhaust fume controller electricity, correspond on the window be provided with be used for with the electro-magnet adsorption fit's ferromagnetism metalwork.

Through adopting above-mentioned technical scheme, the window of accessible exhaust gas controller control emergency ventilation window department is opened when taking place the condition of a fire to indoor supplementary fresh air, prevent that indoor burning from resulting in oxygen to lack, prevent that indoor crowd from suffocating and taking place danger.

Preferably, a rubber protective cover is fixedly arranged on the baffle plate and covers the electromagnet.

Through adopting above-mentioned technical scheme, take place strong collision and lead to the window to damage when preventing the electro-magnet circular telegram from attracting the window.

Preferably, the smoke exhaust controller further has a setting program for controlling the energization of the electric circuit of the electromagnet when the smoke sensor detects smoke generated by a fire.

Through adopting above-mentioned technical scheme, can realize opening of window automatically when taking place the condition of a fire, the reaction is more timely.

Drawings

Fig. 1 is a schematic overall structure diagram of a fire-fighting smoke evacuation system according to an embodiment of the present application;

fig. 2 is a schematic structural view of the fire-fighting smoke evacuation system according to the embodiment of the present application after the wall is hidden;

FIG. 3 is a schematic structural view of a bulkhead of the fire protection and smoke evacuation system of an embodiment of the present application;

fig. 4 is a schematic structural view of a baffle and a window of the fire protection and smoke evacuation system according to the embodiment of the present application.

Description of reference numerals: 1. a house body; 11. a top wall; 2. a partition plate; 21. a first opening; 22. a second opening; 3. a main smoke exhaust path; 4. a smoke exhaust branch; 41. an exhaust fan; 5. an air cooling device; 6. a cold air conveying main path; 7. a cold air conveying branch; 71. a cold air discharge duct; 8. a window; 81. hinging a shaft; 82. a baffle plate; 83. a rubber boot; 84. a ferromagnetic metal member.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1 and 2, the embodiment of the application discloses a fire control system of discharging fume, including the room body 1, the inside fixed position that is close to roof 11 in the room body 1 is provided with baffle 2, and the circumference edge of baffle 2 is fixed on the wall in the room body 1, forms pipeline installation space between baffle 2 and the roof 11 in the room body 1. A smoke exhaust pipeline and a smoke exhaust controller (not shown in the figure) are fixedly arranged in the pipeline installation space. The smoke exhaust pipeline comprises a smoke exhaust main road 3 and a plurality of smoke exhaust branches 4, each smoke exhaust branch 4 is communicated with the tail end of the smoke exhaust main road 3, and the smoke exhaust main road 3 is communicated with the outside. Referring to fig. 3 again, the partition plate 2 is provided with first openings 21 respectively communicated with the ends of the smoke exhaust branches 4 in a one-to-one correspondence manner, and the ends of the smoke exhaust branches 4 are distributed on the partition plate 2 at intervals. An air draft device is further arranged in the main smoke exhaust path 3, a first electromagnetic valve (not shown in the figure) capable of being opened or closed is respectively arranged in each smoke exhaust branch 4, and a smoke sensor (not shown in the figure) is further fixedly arranged on the inner wall of the tail end of each smoke exhaust branch 4. And the air draft device, the first electromagnetic valve and the smoke sensor are electrically connected with the smoke exhaust controller. In this embodiment, the air extractor is an air extractor 41 and the smoke exhaust controller is a computer. The opening or closing of the first solenoid valve can realize the communication or the blockage of the smoke exhaust branch 4. The smoke sensor is used for detecting whether toxic smoke is generated in a fire disaster indoor or not, and transmitting the detection signal to the smoke exhaust controller, and the smoke exhaust controller sends out a control instruction according to the detection signal.

Continuing to refer to fig. 2, an air cooling device 5 is also fixedly installed in the pipeline installation space, and the air cooling device 5 is electrically connected with the smoke exhaust controller. An air outlet of the air refrigeration equipment 5 is communicated with a cold air conveying pipeline. The cold air conveying pipeline comprises a cold air conveying main path 6 and cold air conveying branch paths 7, the cold air conveying branch paths 7 are provided with a plurality of branch paths, each cold air conveying branch path 7 is communicated with the tail end of the cold air conveying main path 6, the cold air conveying main path 6 is communicated with an air outlet of the air refrigerating equipment 5, a second electromagnetic valve (not shown in the figure) capable of being opened or closed is arranged in each cold air conveying branch path 7, and each second electromagnetic valve is electrically connected with the smoke exhaust controller. The cold air delivery branch 7 can be communicated or blocked by opening or closing the second electromagnetic valve.

With reference to fig. 2 and 3, each cold air conveying branch 7 and each smoke exhaust branch 4 are arranged in a one-to-one correspondence manner, the end of each cold air conveying branch 7 is communicated with a cold air exhaust pipeline group, each cold air exhaust pipeline group comprises a plurality of cold air exhaust pipelines 71, the ends of the cold air exhaust pipelines 71 of the cold air exhaust pipeline group are uniformly arranged at intervals in a circumferential manner in the horizontal direction, and each smoke exhaust branch 4 is located at the central position of the cold air exhaust pipeline group communicated with the end of the corresponding cold air conveying branch 7. The radius of the circumference formed by the tail ends of the cold air discharge pipeline groups connected with the tail ends of the same cold air conveying branch 7 is 6-10 m. The partition board 2 is further provided with second openings 22, and the second openings 22 are communicated with the tail ends of the cold air discharge pipelines 71 in a one-to-one correspondence manner.

Referring to fig. 1 and 4, emergency ventilation windows are further formed in the wall around the house body 1, windows 8 which can be opened or closed are arranged at the emergency ventilation windows, and the upper window edges of the windows 8 are hinged to the upper window edges of the emergency ventilation windows through hinge shafts 81. The baffle 82 is fixedly arranged above the emergency ventilation window, the baffle 82 is arranged opposite to the emergency ventilation window, the upper side of the baffle 82 is fixed on the wall, and the baffle 82 is inclined to the wall at an included angle of 45 degrees. An electromagnet (not shown in the figure) is fixedly arranged on one side face of the baffle plate 82 opposite to the emergency ventilation window, the electromagnet is electrically connected with the smoke exhaust controller, a rubber protection cover 83 is fixedly arranged on the baffle plate 82, and the rubber protection cover 83 covers the electromagnet. The window 8 is further provided with a ferromagnetic metal piece 84 which is used for being in adsorption fit with the electromagnet, and the arrangement position of the ferromagnetic metal piece 84 corresponds to the position of the electromagnet, so that the window 8 can be adsorbed on the baffle 82 after the electromagnet is electrified. When the electromagnet is not electrified, the window 8 rotates downwards under the action of self gravity to block the emergency ventilation window. In this embodiment, the ferromagnetic metal member 84 is made of steel.

The smoke exhaust controller has the following set program, when the smoke sensor does not detect smoke generated by a fire, the first electromagnetic valve in each smoke exhaust branch 4 is controlled to be opened, and the air exhaust device is controlled to be in a closed state; when smoke generated by a fire disaster is detected by a smoke sensor, keeping a first electromagnetic valve in the same smoke exhaust branch 4 as the smoke sensor which detects the smoke generated by the fire disaster to be in an open state, closing all the first electromagnetic valves in the rest smoke exhaust branches 4, and controlling an air exhaust device to be in a start state; controlling the second electromagnetic valves of the corresponding cold air conveying branches 7 to be opened, starting the air refrigeration equipment 5, and controlling the second electromagnetic valves of the other cold air conveying branches 7 to be in a closed state; and controlling the circuit of the electromagnet to be electrified.

The implementation principle of the embodiment of the application is as follows: when the fire-fighting smoke exhaust system does not have a fire, the smoke exhaust pipeline is used as a common ventilation channel; when a fire disaster occurs, the smoke sensor can accurately position the area where the fire disaster occurs, the smoke exhaust branch 4 in the area is controlled to be in a communicated state, the smoke exhaust branch 4 in the area where the fire disaster does not occur is controlled to be in a closed state, and the air exhaust device starts concentrated wind power to exhaust smoke in the area where the fire disaster occurs; when a fire disaster occurs indoors, cold air can be conveyed to the area where the fire disaster occurs in a targeted manner automatically to cool the area, the fire disaster can be limited to a certain extent, people nearby can feel less uncomfortable, the cold air discharge pipeline set can blow smoke generated by the fire disaster to the middle position, and the smoke gathering and smoke discharging branch 4 can collect the smoke to facilitate the suction; in addition, the window 8 at emergent ventilation window department of accessible exhaust gas controller automatic control is opened when taking place the condition of a fire to supply fresh air indoor, prevent that indoor burning from resulting in oxygen to lack, prevent that indoor crowd from suffocating and taking place danger.

In other embodiments, the radius of the circumference formed by the ends of the cold air discharge duct groups connected to the ends of the same cold air delivery branch 7 can be adjusted according to actual needs.

In other embodiments, the shape of the end of each cold air discharge duct 71 of the cold air discharge duct group in the horizontal direction may be set as needed.

In other embodiments, the smoke evacuation controller may also be a PLC.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.