CN112245846A

CN112245846A - Magnetic early warning formula fire control shower nozzle is used in wisdom fire control

Info

Publication number: CN112245846A
Application number: CN202011135815.2A
Authority: CN
Inventors: 卢博
Original assignee: Individual
Current assignee: Hebei Xiong'an Kaiqi Fire Technology Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-01-22
Anticipated expiration: 2040-10-21
Also published as: CN112245846B

Abstract

The invention discloses a magnetic early warning type fire-fighting spray head for intelligent fire fighting, which comprises an installation seat, wherein a drain pipe vertically penetrates through the installation seat, a placing groove communicated with the drain pipe is formed in the installation seat, a blocking block is hermetically and slidably connected in the placing groove, a liquid storage groove is formed in the side wall of the installation seat, the groove wall of the liquid storage groove is elastically connected with a piston plate through a plurality of reset springs, the side wall of the piston plate is hermetically and slidably connected with the groove wall of the liquid storage groove, and a sealed space formed by the piston plate and the liquid storage groove is a driving area. The invention can open the drain pipe in time for fire extinguishing treatment at the initial stage of fire by utilizing the form change of the magnetorheological fluid in the environments of zero magnetic field and strong magnetic field, avoids the spread of fire, can be repeatedly used and is convenient to install compared with the traditional fire-fighting spray head, and can transmit signals to the outside in time at the initial stage of fire by arranging the conductive coil, thereby improving the reaction speed.

Description

Magnetic early warning formula fire control shower nozzle is used in wisdom fire control

Technical Field

The invention relates to the technical field of intelligent fire fighting, in particular to a magnetic early warning type fire fighting nozzle for intelligent fire fighting.

Background

Automatic sprinkler system is the most commonly used automatic fire extinguishing facility at present, it is very big to set up quantity in the building in public gathering place, automatic sprinkler system is to the first-stage conflagration's under the unmanned condition first-stage fire fighting, and is very effective, the security performance of very big promotion and building, the fire control shower nozzle is important constitution among the automatic sprinkler system, traditional fire control shower nozzle is by the glass ball that has low boiling evaporation liquid of its last installation as trigger piece, thereby the low boiling evaporation liquid rapid evaporation makes the glass ball breakage open the fire control shower nozzle and spray and put out a fire when the conflagration takes place.

However, during the in-service use, because the glass ball material is comparatively fragile, make the installation of glass ball comparatively difficult, the dynamics is not good to be held, lead to the glass ball breakage easily, and will change the fire control shower nozzle again after the conflagration takes place, the practicality is poor, simultaneously to the great public place of some structure complicacies and area, when some local conflagrations take place, the staff is difficult very often to learn the conflagration emergence place the very first time, thereby lead to the intensity of a fire to spread or can not in time start the follow-up protection that the conflagration took place, be not conform to the theory of the fire control of.

Disclosure of Invention

The invention aims to solve the defects that the existing fire-fighting nozzle in the prior art can not be used repeatedly, the installation difficulty of a trigger element glass ball is high, and the single function does not accord with the existing intelligent fire-fighting concept, and provides the magnetic early warning type fire-fighting nozzle for intelligent fire fighting.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a wisdom is magnetic force early warning formula fire control shower nozzle for fire control, includes the mount pad, the drain pipe has been seted up in vertical running through on the mount pad, set up the standing groove with the drain pipe intercommunication in the mount pad, sealed sliding connection has the shutoff piece in the standing groove, the reservoir has been seted up to the mount pad lateral wall, the cell wall of reservoir has the piston board through a plurality of reset spring elastic connection, and the cell wall sealing sliding connection of piston board lateral wall and reservoir, the confined space that piston board and reservoir are constituteed is the drive zone, the shutoff piece is close to reservoir side and the confined space that the standing groove is constituteed and is driven district, the level intercommunication is equipped with communicating pipe between drive zone and the driven district, all pack in drive zone and the driven district has magnetic current, the mounting groove has been seted up to the terminal surface under the mount pad, be.

Preferably, a conductive coil is coaxially arranged at the wall of the mounting groove, and an output end of the conductive coil is electrically connected with an external signal receiver through a lead.

Preferably, a splash pan matched with the drain pipe is arranged on the lower end face of the mounting seat through a connecting rod.

Preferably, a control groove communicated with the communicating pipe is formed in the mounting seat, the control groove is perpendicular to the communicating pipe, the top wall in the control groove is elastically connected with a sliding block made of ferromagnetic materials through a limiting spring, and the sliding block is connected with the control groove in a sealing and sliding mode.

Compared with the prior art, the invention has the beneficial effects that: through the morphological change who utilizes magnetorheological suspensions in zero magnetic field and high-intensity magnetic field environment to can in time open the drain pipe at the conflagration initial stage and put out a fire and handle, avoid stretching of the intensity of a fire, and compare in traditional fire control shower nozzle, not only can use repeatedly, still simple to operate, through setting up the conducting coil at the conflagration initial stage of taking place, can in time transmit signal to external, improve reaction rate.

Drawings

Fig. 1 is a schematic structural view of an embodiment 1 of an intelligent magnetic early warning type fire sprinkler head for fire protection according to the present invention;

FIG. 2 is a schematic structural view of an embodiment 2 of an intelligent magnetic early warning type fire sprinkler head for fire protection according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: the device comprises a mounting seat 1, a drain pipe 2, a placing groove 3, a blocking block 4, a liquid storage tank 5, a return spring 6, a piston plate 7, a communicating pipe 8, a mounting groove 9, a permanent magnet 10, a conductive coil 11, a splash disc 12, a control groove 13, a limiting spring 14 and a sliding block 15.

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.

Example 1

Referring to fig. 1, a magnetic early warning type fire sprinkler head for intelligent fire protection, which comprises a mounting seat 1, a drain pipe 2 is vertically penetrated and arranged on the mounting seat 1, an electromagnetic valve is arranged at an input end of the drain pipe 2, a placing groove 3 communicated with the drain pipe 2 is arranged in the mounting seat 1, a plugging block 4 is hermetically and slidably connected in the placing groove 3, a liquid storage groove 5 is arranged on a side wall of the mounting seat 1, a piston plate 7 is vertically and elastically connected to a groove wall of the liquid storage groove 5 through a plurality of reset springs 6, the side wall of the piston plate 7 is hermetically and slidably connected with the groove wall of the liquid storage groove 5, a sealed space formed by the piston plate 7 and the liquid storage groove 5 is a driving area, the plugging block 4 is close to one side surface of the liquid storage groove 5 and is a driven area, a communicating pipe 8 is horizontally communicated between the driving area and the driven area, magnetorheological fluid, The suspension is formed by mixing low-magnetic-hysteresis tiny soft magnetic particles and non-magnetic-conduction liquid, the suspension has the characteristics of low-viscosity Newtonian fluid under the condition of zero magnetic field, and has the characteristics of high viscosity and low fluidity under the action of strong magnetic field, the rheological behavior of the magnetorheological fluid is reversible under the action of the magnetic field, the shear yield strength after the rheological behavior has stable corresponding relation with the magnetic field intensity, the lower end surface of the mounting seat 1 is provided with a mounting groove 9, the mounting groove 9 is internally threaded with a permanent magnet 10, and the permanent magnet 10 can be made of magnetic materials with lower Curie temperature, such as similar neodymium iron boron permanent magnets.

In this embodiment, a conductive coil 11 is coaxially disposed on a wall of the mounting groove 9, an output end of the conductive coil 11 is electrically connected to an external signal receiver through a conductive wire, a power amplifier module is disposed in the signal receiver and can amplify an induced current conducted by the conductive coil 11 and transmit the amplified induced current to the outside, a splash pan 12 matched with the drain pipe 2 is disposed on a lower end surface of the mounting seat 1 through a connecting rod, and the splash pan 12 can expand a water spraying range of the drain pipe 2.

The present embodiment can illustrate the functional principle thereof by the following operation modes: the piston plate 7 is pushed to compress the return spring 6 initially, magnetorheological fluid in the driving area enters the driven area through the communicating pipe 8, then the magnetorheological fluid pushes the blocking block 4 to move and block the drain pipe 2, then the permanent magnet blocks 10 are installed in the installation grooves 9 in a threaded mode, the magnetorheological fluid in the driving area and the driven area is subjected to the magnetic action of the permanent magnet blocks 10 to be changed from a liquid state to a solid state, the magnetorheological fluid does not have fluidity, the acting force on the piston plate 7 is removed at the moment, the return springs 6 cannot drive the piston plate 7 to reset under the action of the magnetorheological fluid, the blocking block 4 is always in a blocking state on the drain pipe 2, and then the electromagnetic valve of the drain pipe 2 is opened to enable the blocking block to be in a normally open state;

when a fire disaster occurs, the temperature below the mounting seat 1 rapidly rises to reach the Curie temperature of the permanent magnet 10, the permanent magnet 10 is gradually demagnetized, the magnetic field intensity of the magnetorheological fluid in the driving area and the driven area is gradually reduced, so that the fluid state is gradually recovered, the piston plate 7 is gradually reset under the action of the elastic force of the reset spring 6, the magnetorheological fluid in the driven area gradually flows back into the driving area through the communicating pipe 8, the blocking block 4 gradually releases the blocking of the drain pipe 2, the external high-pressure water flow impacts the splash plate 12 through the drain pipe 2 for fire extinguishing treatment, meanwhile, as the permanent magnet 10 is gradually demagnetized, the magnetic field intensity of the permanent magnet 10 is gradually reduced, the magnetic flux in the conductive coil 11 is gradually changed, induced current is generated in the conductive coil 11 and is transmitted to an external signal receiver through a lead, and the signal receiver transmits the signal to the external Internet, therefore, outside workers can know that the fire is unknown at the first time, follow-up problems of the fire are timely handled, after the fire is extinguished, the permanent magnet 10 which is demagnetized is replaced and then reset according to the steps, and therefore the fire extinguishing device can be used repeatedly, and is high in practicability.

Example 2

Referring to fig. 2 to 3, the present embodiment is different from embodiment 1 in that: a control groove 13 communicated with the communicating pipe 8 is formed in the mounting base 1, the control groove 13 is perpendicular to the communicating pipe 8, a sliding block 15 made of iron or nickel is elastically connected to the inner top wall of the control groove 13 through a limiting spring 14, and the sliding block 15 is in sealing sliding connection with the control groove 13.

Initially, slider 15 is accomodate in control tank 13 under limiting spring 14's limiting displacement, communicating pipe 8 can normally switch on, install permanent magnetism piece 10 in mounting groove 9 and make the driving area and the driven area interior magnetorheological suspensions when taking place the state change, slider 15 attracts downstream with communicating pipe 8 shutoff and stretch limiting spring 14 under permanent magnetism piece 10's magnetic force, thereby can avoid this equipment to place for a long time that the magnetorheological suspensions property changes the back and flow back to the driving area under reset spring 6's elasticity effect, and then guarantee this equipment's normal use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a wisdom is magnetic force early warning formula fire control shower nozzle for fire control, includes mount pad (1), its characterized in that, vertical run through on mount pad (1) has seted up drain pipe (2), set up standing groove (3) with drain pipe (2) intercommunication in mount pad (1), sealed sliding connection has plugging block (4) in standing groove (3), mount pad (1) lateral wall has seted up reservoir (5), the cell wall of reservoir (5) has piston board (7) through a plurality of reset spring (6) elastic connection, and piston board (7) lateral wall and the cell wall sealed sliding connection of reservoir (5), the confined space that piston board (7) and reservoir (5) are constituteed is the driving area, plugging block (4) are close to the confined space that reservoir (5) side and standing groove (3) are constituteed and are the driven area, the horizontal intercommunication is equipped with communicating pipe (8) between driving area and the driven area, magnetorheological fluids are filled in the driving area and the driven area, an installation groove (9) is formed in the lower end face of the installation seat (1), and permanent magnets (10) are arranged in the installation groove (9).

2. The intelligent magnetic early warning type fire sprinkler head for fire fighting as claimed in claim 1, wherein a conductive coil (11) is coaxially disposed at a wall of the installation groove (9), and an output end of the conductive coil (11) is electrically connected to an external signal receiver through a wire.

3. The intelligent magnetic early warning type fire sprinkler head for fire fighting according to claim 1, characterized in that a splash pan (12) matched with the drain pipe (2) is arranged on the lower end surface of the mounting base (1) through a connecting rod.

4. The intelligent magnetic early warning type fire sprinkler head for fire fighting according to claim 1, characterized in that a control groove (13) communicated with the communicating pipe (8) is formed in the mounting base (1), the control groove (13) is perpendicular to the communicating pipe (8), the inner top wall of the control groove (13) is elastically connected with a sliding block (15) made of ferromagnetic material through a limiting spring (14), and the sliding block (15) is in sliding connection with the control groove (13) in a sealing manner.