Ultrafine dry powder extinguishing installation and sprinkler tip thereof
Technical field
The utility model relates to the fire fighting device technical field, more particularly, relates to a kind of ultrafine dry powder extinguishing installation and sprinkler tip thereof.
Background technology
Ultrafine dry powder extinguishing installation is widely used in places such as factory, distribution machine room, cable tunnel, hangar, archives/books/museum, communication base station, microcomputer room, boats and ships, subway, subterranean tunnel, office.
Ultrafine dry powder extinguishing installation is divided by Starting mode generally has following several kinds:
1) temp sensing type extinguishing device: like temperature-sensitive glass marble and fusible link, make structural support destroy unstability through experiencing variation of temperature, thus spraying fire-extinguishing agent.Stipulate the specification requirement and the test method of sprinkler tip in the GB5135.1-2003 national standard, wherein also comprised the specification requirement and the test method of temperature-sensitive glass marble and fusible link.
2) electromagnetic type extinguishing device:,, under the effect of electromagnetic force, extinguishing chemical is sprayed out through way of electromagnetic induction like magnetic valve.
3) electrothermal extinguishing device: the electric initiator as among the industry standards of public safety GA499.1-2004 of the People's Republic of China (PRC) " GAFES ", be converted into heat energy through electric energy, make extinguishing chemical or the burning of burning medicament, thereby produce the spraying fire-extinguishing agent that expands.
As shown in Figure 1, Fig. 1 is the structural representation of the sprinkler tip of extinguishing device in the prior art.
Sprinkler tip comprise V-arrangement framework 1, be arranged on the holding screw 4 of base of frame, the thalposis glass envelope 3 that supports by holding screw 4 and the plug 2 that supports by thalposis glass envelope 3.The extinguishing chemical of pressurising is arranged in the containing cavity 7 that the storage tank that is connected with framework and seals etc. forms, the shutoff that realizes containing cavity 7 through plug 3.Thalposis glass envelope 3 outerwrap one deck incendiary agent layers 6 also wrap up a general electric initiator 5 in the incendiary agent layer 6.Sprinkler tip is when work, and electric initiator 5 is ignited the incendiary agent layer 6 of thalposis glass envelope 3 outer wrap of igniting then; Incendiary agent layer 6 temperature raise; Heated liquid in the thalposis glass envelope 3 expands and causes thalposis glass envelope 3 to break, and thalposis glass envelope 3 loses the support function to plug 2 by coming off on the framework 1; Extinguishing chemical is washed plug 3 open, and sprinkler tip begins the fire extinguishing action.
Yet the sprinkler tip of general extinguishing device is not provided with feedback device, after extinguishing device starts, can not give the control system with the feedback of status of work.Has feedback contact sprinkler tip in the prior art; Also be to utilize a kind of pressure switch to detect the interior pressure of extinguishing device as feedback, its complex structure, bulky; But also the containing cavity that needs to destroy extinguishing device is installed pressure switch, has increased the hidden danger that extinguishing device leaks.
Therefore, how realizing the duty of sprinkler tip is detected, guarantee the safety in utilization of extinguishing device simultaneously, is present those skilled in the art's problem demanding prompt solution.
The utility model content
In view of this, the utility model provides a kind of ultrafine dry powder extinguishing installation and sprinkler tip thereof, detects with the duty of realization to sprinkler tip, guarantees the safety in utilization of extinguishing device simultaneously.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of sprinkler tip comprises the thalposis glass envelope, also comprises electrical connection, and circuit breaks off after said thalposis glass envelope breaks first lead and second lead.
Preferably, in above-mentioned sprinkler tip, said first lead, said second lead are electrically connected path with the plug and the framework composition of sprinkler tip, and said first lead links to each other with said plug, and said second lead links to each other with said framework.
Preferably, in above-mentioned sprinkler tip, said first lead, said second lead are electrically connected path with plug, framework and the holding screw composition of sprinkler tip, and said first lead links to each other with said plug, and said second lead links to each other with said holding screw.
Preferably, in above-mentioned sprinkler tip, said first lead, said second lead and be arranged in the incendiary agent layer of sprinkler tip, and form with the heating wire that the burning of incendiary agent layer fuses and to be electrically connected path.
Preferably, in above-mentioned sprinkler tip, also comprise being arranged in the said incendiary agent layer, and the electric initiator of igniting by said incendiary agent layer, said heating wire is the inner heating wire of said electric initiator.
A kind of ultrafine dry powder extinguishing installation comprises controller and the sprinkler tip that is attached thereto, and said sprinkler tip is aforesaid sprinkler tip, and said first lead and said second lead insert said controller respectively.
The sprinkler tip that the utility model provides comprises first lead and second lead, and first lead and second lead are electrically connected, and circuit breaks off after the thalposis glass envelope of sprinkler tip breaks.During sprinkler tip work, promptly after the thalposis glass envelope of sprinkler tip broke, when plug was opened, the electrical connection path of first lead and second lead broke off.Through the loop of first lead and second lead composition is monitored, under the normal condition, the loop of the two composition is connected, and when sprinkler tip was worked, the loop of the two composition was broken off, and realizes the monitoring to the sprinkler tip duty with this.Simultaneously,, avoided the feedback device of working pressure switch, guaranteed the safe in utilization of extinguishing device through the detection loop of being made up of first lead and second lead is set.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the sprinkler tip of extinguishing device in the prior art;
The structural representation of the sprinkler tip that Fig. 2 provides for the utility model first preferred embodiment;
The structural representation of the sprinkler tip that Fig. 3 provides for the utility model second preferred embodiment.
The specific embodiment
The utility model discloses a kind of ultrafine dry powder extinguishing installation and sprinkler tip thereof, realized detection, guaranteed the safe in utilization of extinguishing device simultaneously the duty of sprinkler tip.
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, complete description, obviously, described true example only is the true example of the utility model part, rather than whole embodiment.Based on the embodiment of the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 2, the structural representation of the sprinkler tip that Fig. 2 provides for the utility model first preferred embodiment.
Present embodiment provides a kind of sprinkler tip; Comprise devices such as thalposis glass envelope 23, framework 21, plug 22 and holding screw 24; Also be provided with first lead 28 and second lead 29 on the sprinkler tip; First lead 28 and second lead 29 are electrically connected, and circuit breaks off after the thalposis glass envelope 23 of sprinkler tip breaks.
The course of work of the sprinkler tip that present embodiment provides is following:
During sprinkler tip work, promptly after the thalposis glass envelope 23 of sprinkler tip broke, when plug 22 was opened, the electrical connection path of first lead 28 and second lead 29 broke off.Through the loop of first lead 28 and second lead, 29 compositions is monitored, under the normal condition, the loop of the two composition is connected, and when sprinkler tip was worked, the loop of the two composition was broken off, and realizes the monitoring to the sprinkler tip duty with this.Simultaneously,, avoided the feedback device of working pressure switch, guaranteed the safe in utilization of extinguishing device through the detection loop of being made up of first lead 28 and second lead 29 is set.The sprinkler tip that present embodiment provides, through on sprinkler tip, be arranged on the thalposis glass envelope break the back conducting circuit, realized detection to the duty of sprinkler tip, guaranteed the safe in utilization of extinguishing device simultaneously.
Sprinkler tip is when work; The electric initiator 25 that is provided with on it is at first ignited; The incendiary agent layer 26 that is wrapped in thalposis glass envelope 23 outsides is ignited by electric initiator 25 and the temperature rising, the variation of high temperature when thalposis glass envelope 23 is sensed 26 burning of incendiary agent layer, and when temperature arrives the temperature of its needs that break; Thalposis glass envelope 23 breaks by dropping in the framework 21, and plug 22 loses the support of thalposis glass envelope 23 and washed open by the extinguishing chemical in the containing cavity 27.
Plug 22 is when the state of not washed open, because plug 22, framework 21 and holding screw 24 are conductor material, so are the state of mutual conduction between the three, and the path of the mutual conduction that thinking of can three's annexation being equal to is made up of the three., plug 22 drops on by sprinkler tip after being washed open; Thereby the path of the mutual conduction of being made up of plug 22, framework 21 and holding screw 24 breaks off; Therefore, can be the privates that is used for conducting first lead and second lead with the channel setting of forming by framework that links to each other with plug 22 21 and holding screw 24.
Particularly; Privates is the path of being made up of plug 22 and framework 21; First lead 28 is connected with plug 22; Second lead 29 is connected with framework 21, then first lead 28, plug 22, framework 21 and second lead 29 form one can with thalposis glass envelope 23 break and the path that breaks off.Under normal condition, this path is a conducting state; When sprinkler tip was worked, this path broke off, and through detecting the feedback signal by the disconnection of transmitting between above-mentioned a plurality of parts, realized the monitoring to the sprinkler tip duty.
Particularly; Privates is the path of being made up of plug 22, framework 21 and holding screw 24; First lead 28 is connected with plug 22; Second lead 29 is connected with holding screw 24, then first lead 28, plug 22, framework 21, holding screw 24 and second lead 29 form one can with thalposis glass envelope 23 break and the path that breaks off.Under normal condition, this path is a conducting state; When sprinkler tip was worked, this path broke off, and through detecting the feedback signal by the disconnection of transmitting between above-mentioned a plurality of parts, realized the monitoring to the sprinkler tip duty.
As shown in Figure 3, the structural representation of the sprinkler tip that Fig. 3 provides for the utility model second preferred embodiment
Thalposis glass envelope 33 breaks along with the rising of its surface combustion agent layer 36 temperature; In second preferred embodiment that the utility model provides; In incendiary agent layer 36, add a heating wire that fuses with the burning of incendiary agent layer 36, heating wire links to each other with the two ends of first lead 38 and second lead 39 respectively, when burning does not take place incendiary agent layer 36; Be sprinkler tip when being in static state, the loop of being made up of first lead 38, heating wire and second lead 39 is conducting; Temperature increased when incendiary agent layer 36 burnt; Heating wire high temperature fusing in it is set; The path of then forming between first lead 38, second lead 39 and the heating wire breaks off, and the feedback signal through circuit between detecting breaks off can realize the monitoring to the sprinkler tip duty.
Particularly, be used to realize that the device that first lead and second lead are electrically connected is set to electric initiator.The electricity initiator is the starting drive of extinguishing device, and it is provided with two external wires, connects a heating wire between two external wires, is enclosed with the medicament layer that when the electrothermal wire heating, burns on the heating wire.When utilizing electric initiator as privates; First lead 38 and second lead 39 are wanted to connect with two external wires of electric initiator respectively; The circuit that one of formation can be monitored between the three is through the reverse utilization to electric initiator function of use, when incendiary agent layer 36 burns; The ignite medicament layer of heating wire outerwrap of electric initiator of the high temperature of its generation; The burning of medicament layer makes the heating wire fusing in the electric initiator again, thereby makes and broken off by the path between first lead 38, second lead 39 and the electric initiator, through can monitor the duty of sprinkler tip to the monitoring of circuit.
Based on the sprinkler tip that provides in the foregoing description; The utility model also provides a kind of ultrafine dry powder extinguishing installation; Comprise that the sprinkler tip that controller and this ultrafine dry powder extinguishing installation of sprinkler tip that is attached thereto are provided with is the sprinkler tip that provides in the foregoing description, first lead and second lead insert the controller of ultrafine dry powder extinguishing installation respectively.
The control system of controller action ultrafine dry powder extinguishing installation; First lead is linked to each other with controller with second lead; Can directly monitor by controller, system is understood the duty of ultrafine dry powder extinguishing installation timely the duty of sprinkler tip.The feedback method of the ultrafine dry powder extinguishing installation duty that while the utility model provides; Can replace the existing method of utilizing pressure switch that the sprinkler tip duty is monitored; The hidden danger of having avoided ultrafine dry powder extinguishing installation to leak has guaranteed the security of extinguishing device.
Because this ultrafine dry powder extinguishing installation has adopted the sprinkler tip of the foregoing description, so this ultrafine dry powder extinguishing installation please refer to the foregoing description by the beneficial effect that sprinkler tip brings.To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.