CN206275948U - Real-time Communication for Power fire-distinguishing alarming system - Google Patents

Real-time Communication for Power fire-distinguishing alarming system Download PDF

Info

Publication number
CN206275948U
CN206275948U CN201621328635.5U CN201621328635U CN206275948U CN 206275948 U CN206275948 U CN 206275948U CN 201621328635 U CN201621328635 U CN 201621328635U CN 206275948 U CN206275948 U CN 206275948U
Authority
CN
China
Prior art keywords
fire
real
time communication
alarming system
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201621328635.5U
Other languages
Chinese (zh)
Inventor
全龙浩
白佳琦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Aerospace Construction Group Co Ltd
Original Assignee
China Aerospace Construction Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Aerospace Construction Group Co Ltd filed Critical China Aerospace Construction Group Co Ltd
Priority to CN201621328635.5U priority Critical patent/CN206275948U/en
Application granted granted Critical
Publication of CN206275948U publication Critical patent/CN206275948U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Fire Alarms (AREA)

Abstract

The utility model discloses a kind of real-time Communication for Power fire-distinguishing alarming system, including:Fire protection pipeline;Multiple spray heads, multiple spray heads are connected in the fire protection pipeline;The passive automatic spray valve opened and closed by memorial alloy control, the outlet of passive automatic spray valve is connected to the front end of multiple spray heads;With the pipeline water flow monitoring device with current inducing function, the import of pipeline water flow monitoring device is connected with fire chief road, the outlet of pipeline water flow monitoring device is connected with the import of passive automatic spray valve, and pipeline water flow monitoring device is included in the communication module for monitoring that signal can be sent out after water movement.According to real-time Communication for Power fire-distinguishing alarming system of the present utility model, be absent from the scene in unattended or related personnel, the disaster field such as mobile vehicle, it is capable of achieving the output function of " open and close " signal in real time, the range of application that temperature memory alloy controls valve is widened, has been information transfer, managed concentratedly and have laid a good foundation.

Description

Real-time Communication for Power fire-distinguishing alarming system
Technical field
The utility model is related to fire-fighting equipment technical field, specifically, more particularly to a kind of real-time Communication for Power outfiring alarm System.
Background technology
In recent years, a kind of temperature memory alloy controls the listing of valve, realizes the non-transformer of automatic water sprinkler systme, repeats The full-automatic function of opening and closing, while the marmem in valve can in advance enter trip temperature and tame and docile according to the demand of different places Change.It is advanced by computer, wired, radio communication, picture transmission etc. with the communication technology, the fast development of computer technology The development of the fire communication net of technical equipment composition has become trend.Therefore, in actual use, temperature memory alloy control Valve processed still suffers from following problem:When certain protection zone occurs fire, temperature memory alloy control valve experiences environmental abnormality Change after, the temperature memory alloy control valve spray head sprinkling fire that can open and pass through periphery, whole work is self-operated type Work does not need manual intervention, but in actual use, disaster place is likely to be nobody or related personnel of normal phase and does not exist The unattended situations such as field, will certainly cause administrative staff not know where there occurs the condition of a fire, also cannot be timely existing to the condition of a disaster Field is cleared up and is safeguarded, also easily causes the loss of water logging.Especially once there is fire in mobile vehicle, and driver does not know at all Road vehicle condition situation, also sends information without normal direction driver, relevant departments or specialized management platform.
Utility model content
The utility model is intended at least solve one of above-mentioned technical problem of the prior art to a certain extent.In view of This, the utility model needs to provide a kind of simple structure, reliability real-time Communication for Power fire-distinguishing alarming system high.
Real-time Communication for Power fire-distinguishing alarming system according to the utility model embodiment, including:Fire protection pipeline;Multiple spray heads, Multiple spray heads are connected in the fire protection pipeline;The passive automatic spray valve opened and closed by memorial alloy control, The outlet of the passive automatic spray valve is connected to the front end of multiple spray heads;With the pipeline water with current inducing function Stream monitoring device, pipeline water flow monitoring device import is connected with fire chief road, and the pipeline water flow monitoring device goes out Mouthful it is connected with the import of the passive automatic spray valve, the pipeline water flow monitoring device is included in that monitor can after water movement Send out the communication module of signal.
Real-time Communication for Power fire-distinguishing alarming system according to embodiment of the present utility model, in unattended or related personnel not The disaster fields such as on the scene, mobile vehicle, are capable of achieving the output function of " open and close " signal in real time, have widened temperature memory conjunction Gold controls the range of application of valve, is information transfer, manages concentratedly and have laid a good foundation.
In addition, the real-time Communication for Power fire-distinguishing alarming system according to the utility model above-described embodiment can also have following adding Technical characteristic:
According to one embodiment of the present utility model, the pipeline water flow monitoring device further includes body, is located at institute The dry reed tube on body is stated, the tongue tube is connected with the communication module, is provided with the body for separating the body Dividing plate, the dividing plate is provided with magnet, and the dividing plate is positioned at first position by flexible positioning piece, and the dividing plate can gram Take the elastic force of the flexible positioning piece and drive the magnet to move to the second place for triggering the tongue tube.
According to one embodiment of the present utility model, one end of the dividing plate is pivotably coupled in the body, institute The other end for stating dividing plate is positioned at first position by the flexible positioning piece.
According to one embodiment of the present utility model, the flexible positioning piece is torsion spring.
According to one embodiment of the present utility model, the flexible positioning piece is extension spring.
According to one embodiment of the present utility model, the passive automatic spray valve includes valve body, and the valve body is provided with Bonnet, is provided with diaphragm between the valve body and bonnet, the diaphragm is provided with relief hole, and the bonnet is provided with piston bush, institute State the core assembly for being provided with piston bush and being extend into the bonnet, the core assembly upper magnetic ring component and plug tube, the work Top in plug sleeve is provided with biasing spring, and the piston bush is provided with connecting cylinder, screw, baffle plate and the note being set on the screw Recall alloy.
According to one embodiment of the present utility model, the magnetic ring component is provided with protective case.
According to one embodiment of the present utility model, the plug tube is welded with the bonnet.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Fig. 1 is the schematic diagram of the real-time Communication for Power fire-distinguishing alarming system according to embodiment of the present utility model.
Fig. 2 is the partial structural diagram of the real-time Communication for Power fire-distinguishing alarming system according to embodiment of the present utility model.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just Described with simplified in description the utility model, must be with specific side rather than the device or element for indicating or imply meaning Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, " multiple " is meant that two or two More than, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally;Can be Mechanically connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two The connection of element internal or two interaction relationships of element.For the ordinary skill in the art, can basis Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it D score can include the first and second feature directly contacts, it is also possible to including the first and second features not be directly contact but logical The other characterisation contact crossed between them.And, fisrt feature second feature " on ", " top " and " above " include the One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.First is special Levy second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only Represent that fisrt feature level height is less than second feature.
As shown in Figure 1 and Figure 2, the real-time Communication for Power fire-distinguishing alarming system according to embodiment of the present utility model, including:Fire-fighting Pipeline 100, multiple spray head 200, the passive automatic spray valve 300 opened and closed by memorial alloy control and with current sense Answer the pipeline water flow monitoring device 400 of function.
Specifically, multiple spray heads 200 are connected on 100 in fire protection pipeline, with when having water in fire protection pipeline 100 Spray.The outlet of passive automatic spray valve 300 is connected to the front end of multiple spray heads 200, is opened with passive automatic spray valve 300 Qi Shi, water can be flowed to and is connected with the fire protection pipeline 100 of spray head 200.
The import of pipeline water flow monitoring device 400 is connected with fire chief road 500, the outlet of pipeline water flow monitoring device 400 Import with passive automatic spray valve 300 is connected, and pipeline water flow monitoring device 400 is included in that monitor can be outside after water movement Send the communication module 600 of signal.
Real-time Communication for Power fire-distinguishing alarming system according to embodiment of the present utility model, in unattended or related personnel not The disaster fields such as on the scene, mobile vehicle, are capable of achieving the output function of " open and close " signal in real time, have widened temperature memory conjunction Gold controls the range of application of valve, is information transfer, manages concentratedly and have laid a good foundation.
As shown in Figure 1 and Figure 2, according to one embodiment of the present utility model, pipeline water flow monitoring device 400 can enter one Step includes body 401, the dry reed tube 402 being located on body 401, and tongue tube 402 is connected with communication module 600, is set in body 401 There is the dividing plate 403 for separating body 401, dividing plate 403 is provided with magnet 404, and dividing plate 403 is positioned by flexible positioning piece 405 Can overcome the elastic force of flexible positioning piece 405 and drive magnet 404 to act to triggering tongue tube 402 in first position, and dividing plate 403 The second place.Thus, when there is water flowing in pipeline water flow monitoring device 400, water jet propulsion dividing plate 403 overcomes elasticity fixed The effect of position part so that the action of dividing plate 403 to the second place, during the arrival second place, when magnet 404 is acted on tongue tube 402 The circuit of communication module is connected, and is realized and outside communication.
As shown in Figure 1 and Figure 2, according to one embodiment of the present utility model, one end of dividing plate 403 is pivotably coupled to In body 401, the other end of dividing plate 403 is positioned at first position by flexible positioning piece 405.Specifically, flexible positioning piece 405 It can be torsion spring.In embodiment of the present utility model, flexible positioning piece 405 is not limited to this, for example flexible positioning piece 405 It can be extension spring.
Referring to Fig. 1, according to some embodiments of the present utility model, passive automatic spray valve 300 includes valve body 1, on valve body 1 Bonnet 3 is provided with, diaphragm 2 is provided between valve body 1 and bonnet 3, diaphragm 2 is provided with relief hole 7, and bonnet 3 is provided with piston bush 4, it is living The core assembly 5 extending into bonnet 3, the upper magnetic ring component 6 of core assembly 5 and plug tube 8 are provided with plug sleeve 4, it is upper in piston bush 4 Portion is provided with biasing spring 10, and piston bush 4 is provided with connecting cylinder 11, screw 13, baffle plate 14 and the memorial alloy being set on screw 13 12。
Further, according to one embodiment of the present utility model, protective case 9 can be provided with magnetic ring component 6.Further Ground, plug tube 8 can be welded with bonnet 3.
Installation operation step according to passive automatic spray valve 300 of the present utility model is specific as follows:
It is welded as a whole after the mesopore that plug tube 8 is inserted bonnet 3 from bottom to top stand-by, core assembly 5 is inserted from bottom to top Enter the inner chamber of plug tube 8, tightened by the screw thread on bonnet 3 and the valve body 1 for being put into diaphragm 2 be integrally formed it is standby.
Magnetic ring component 6 is put into the inner chamber of protective case 9, by magnetic while connecting cylinder 11 spins to form one with protective case 9 Ring assemblies are fixed, and will be biased spring 10 and are enclosed within the top of connecting cylinder 11 from top to bottom, then said modules are passed through into protection from bottom to top Bonnet 3 in the spare part that mesopore and the first step of set 9 are assembled spins fixation.
Now the upper end of biasing spring 10 withstands on the inner cavity top of protective case 9, and the bottom for biasing spring 10 withstands on the He of connecting cylinder 11 The upper end of the junction of magnet ring overcoat 6.At the same time, the relief hole 7 on diaphragm 2 is in be blocked state, i.e. valve and is in closing State.
According to embodiment of the present utility model, using the passive automatic spray valve 300 of temperature memory alloy, in certain fire-fighting One group of controllable water control switch valve of temperature is designed in region, this device is closed with temperature memory by the standard thread of pipe fitting The standard thread connection composition of gold control valve, water-carrying capacity switch.When there is the condition of a fire, temperature memory alloy control valve detects ring Border temperature anomaly is raised, and during higher than set temperature value, temperature memory alloy control valve is opened, and aqueous medium can be conveyed through pipe fitting Give all spray heads sprinkling fire extinguishing, now, water-carrying capacity switch in there is water to flow, catch therein influenceed by water jet propulsion after meeting Drive magnetic source to produce axial displacement and oppress back-moving spring contraction, now tongue tube is influenceed by the magnetic line of force, two panels reed end points Position produces different polarity, and by the switching signal after closure of attracting each other to output line " logical ", the signal can be by output Line is transferred to correlated communication equipment.After condition of a fire elimination, when environment temperature is less than set temperature value, the control of temperature memory alloy Valve is closed and is stopped, and the magnetic source in water-carrying capacity switch drives magnetic source to set back in the presence of back-moving spring thrust, does Nearby without externally-applied magnetic field interference, the reed of two panels opposed polarity will separate reed pipe, to output line output " disconnected " switching signal simultaneously It is transferred to correlated communication equipment.
In actually used installation, for protection object, place and situations such as temperature requirements, by temperature memory alloy control The connection that is screwed is carried out between the standard thread and pipe fitting, shower nozzle of the water side of valve processed, while by water-carrying capacity switch according to need Safety, suitable position are arranged on, the output line switched by water-carrying capacity is connected with centralized-control box, you can realization " will be opened The function of pass " signal transmission, it is also possible to which the utility model is integrated in automatic control in the lump by centralized-control box and other equipment In system platform processed, the function of information linkage and centralized management is realized.
When there is fire or environment temperature is raised extremely, the marmem on temperature memory alloy control valve is subject to The influence of environment temperature and produce deformation, make temperature memory alloy control valve in magnetic ring component move up, by the magnetic line of force Zone of action dynamic temperature memorial alloy control valve in core assembly move upwardly together, medium flush-out valve under the effect of the pressure Door simultaneously starts to spray work by shower nozzle, now has water to flow in water-carrying capacity switch, and catch is driven magnetic source by water hammering effects It is common to produce axial displacement, and back-moving spring contraction is oppressed, now tongue tube is influenceed by the magnetic line of force, two panels reed endpoint location Different polarity are produced, by the switching signal after closure of attracting each other to output line " logical ", the signal can be passed by output line Centralized-control box is defeated by, transmission and the sending function of relevant information are realized by centralized-control box.
When environment temperature recovers normal after condition of a fire elimination, the memorial alloy on temperature memory alloy control valve shrinks and makes magnetic Ring assemblies are moved down in the presence of valve interior biasing spring makes temperature memory alloy control valve to close, and recovers normal monitoring shape State, when the water-carrying capacity of water-carrying capacity switch is less than flow is started, the magnetic source in water-carrying capacity switch is in the presence of back-moving spring thrust Magnetic source is driven to set back, tongue tube is nearby without externally-applied magnetic field interference, and the reed of two panels opposed polarity will separate, defeated to output line Go out the switching signal of " disconnected " and be transferred to centralized-control box, centralized-control box is to be stopped.
The beneficial effect of the present apparatus be absent from the scene in unattended or related personnel, the disaster field such as mobile vehicle, The output function of " open and close " signal in real time is capable of achieving, the range of application that temperature memory alloy controls valve has been widened, is that information is passed Defeated, centralized management is had laid a good foundation.
Administrative staff can in time understand condition of a fire position, number information equicorrelated case, and carried out for the condition of a disaster scene and When cleaning and maintenance.
It is connected with communication module or region, common control equipment and is capable of achieving teletransmission alarm or configured information, it is also possible to The utility model is integrated in automatic control system.
Real-time Communication for Power fire-distinguishing alarming system according to embodiment of the present utility model, it is to avoid occur in fire protection pipeline 100 Anhydrous situation;Due to energy real-time monitoring fire condition, fire fighting monitoring side and fire-fighting supervision can in real time understand fire hair The dried rhizome of rehmannia, is conducive to the quick control of fire the condition of a disaster;Particularly, fire-fighting point is waited for underground pipe gallery, when there is fire, due to not The condition of a fire can in time be found, it is possible to cause large-scale fire the condition of a disaster, meanwhile, there is concrete on fire in underground pipe gallery, due to cannot be accurate Determining fire point could solve due to the various problems that fire triggers, it is necessary to manually carry out substantial amounts of investigation, and use this reality After the new technical scheme, fire-fighting supervisor can immediately grasp what rare personnel activity's point fire such as underground pipe gallery occurred Accurate place, is conducive to the quick solution of fire the condition of a disaster;Full-automatic firefighting monitoring system described in the utility model has structure Simply, easy to manufacture, low production cost and the characteristics of easily construct
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with Combined in an appropriate manner in one or more any embodiments or example.Additionally, those skilled in the art can be by Different embodiments or example described in this specification are engaged and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (8)

1. a kind of real-time Communication for Power fire-distinguishing alarming system, it is characterised in that including:
Fire protection pipeline;
Multiple spray heads, multiple spray heads are connected in the fire protection pipeline;
The passive automatic spray valve opened and closed by memorial alloy control, the outlet of the passive automatic spray valve is connected to many The front end of the individual spray head;With
Pipeline water flow monitoring device with current inducing function, pipeline water flow monitoring device import and fire chief road phase Even, the outlet of the pipeline water flow monitoring device is connected with the import of the passive automatic spray valve, the pipeline water flow monitoring Device is included in the communication module for monitoring that signal can be sent out after water movement.
2. real-time Communication for Power fire-distinguishing alarming system according to claim 1, it is characterised in that the pipeline water flow monitoring device Body, the dry reed tube being located on the body are further included, the tongue tube is connected with the communication module, in the body The dividing plate for separating the body is provided with, the dividing plate is provided with magnet, and the dividing plate is positioned at by flexible positioning piece One position, and the dividing plate can overcome the elastic force of the flexible positioning piece and drive the magnet to move to the triggering tongue tube The second place.
3. real-time Communication for Power fire-distinguishing alarming system according to claim 2, it is characterised in that one end of the dividing plate is pivotable Be connected in the body, the other end of the dividing plate is positioned at first position by the flexible positioning piece.
4. real-time Communication for Power fire-distinguishing alarming system according to claim 3, it is characterised in that the flexible positioning piece is to turn round Spring.
5. real-time Communication for Power fire-distinguishing alarming system according to claim 3, it is characterised in that the flexible positioning piece is to draw Spring.
6. the real-time Communication for Power fire-distinguishing alarming system according to any one of claim 1-5, it is characterised in that the nothing is derived from Dynamic shower valve includes valve body, and the valve body is provided with bonnet, diaphragm is provided between the valve body and bonnet, and the diaphragm is provided with Relief hole, the bonnet is provided with piston bush, and the core assembly extending into the bonnet, the valve are provided with the piston bush Core assembly upper magnetic ring component and plug tube, the top in the piston bush are provided with biasing spring, and the piston bush is provided with connecting cylinder, spiral shell Nail, baffle plate and the memorial alloy being set on the screw.
7. real-time Communication for Power fire-distinguishing alarming system according to claim 6, it is characterised in that the magnetic ring component is provided with guarantor Sheath.
8. real-time Communication for Power fire-distinguishing alarming system according to claim 6, it is characterised in that the plug tube is welded with the bonnet Connect.
CN201621328635.5U 2016-12-06 2016-12-06 Real-time Communication for Power fire-distinguishing alarming system Active CN206275948U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621328635.5U CN206275948U (en) 2016-12-06 2016-12-06 Real-time Communication for Power fire-distinguishing alarming system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621328635.5U CN206275948U (en) 2016-12-06 2016-12-06 Real-time Communication for Power fire-distinguishing alarming system

Publications (1)

Publication Number Publication Date
CN206275948U true CN206275948U (en) 2017-06-27

Family

ID=59075419

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621328635.5U Active CN206275948U (en) 2016-12-06 2016-12-06 Real-time Communication for Power fire-distinguishing alarming system

Country Status (1)

Country Link
CN (1) CN206275948U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112402860A (en) * 2020-11-27 2021-02-26 肖仲旺 Self-adjusting flow control valve for fire sprinkler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112402860A (en) * 2020-11-27 2021-02-26 肖仲旺 Self-adjusting flow control valve for fire sprinkler
CN112402860B (en) * 2020-11-27 2022-01-11 南京晨光集团有限责任公司 Self-adjusting flow control valve for fire sprinkler

Similar Documents

Publication Publication Date Title
CN204684513U (en) Possesses the fire-fighting automatic spray control system of automatic water supplement function
CN209848181U (en) Full-automatic fire extinguishing system of wind generating set
CN206275948U (en) Real-time Communication for Power fire-distinguishing alarming system
CN110064158A (en) A kind of intelligence fire hydrant monitoring system
CN106730557A (en) Real-time Communication for Power fire-distinguishing alarming system
CN203169885U (en) Wet-type alarm valve
CN209823175U (en) Electric cabinet with fire-fighting device
CN218676203U (en) Safety and fire integrated monitoring device
CN106730533A (en) Full-automatic fire-fighting system with real-time monitoring and control
CN206275944U (en) Full-automatic fire-fighting system with real-time monitoring and control
CN105833456B (en) Intelligent fire hydrant
CN205348285U (en) Frostproofing crashproof pressure regulating fire hydrant of ground following formula
CN114470597A (en) Fire-fighting water pressure monitoring system and working method thereof
CN220345001U (en) Intelligent fire-fighting device
CN201022921Y (en) Automatic water-spraying fire-fighting system local application device
CN206275947U (en) With the self-operated type automatic fire control shower valve for being detachably fixed magnet ring bonnet
CN207584118U (en) A kind of Novel self-operated pressure adjusting valve
CN106139483A (en) A kind of novel hidden fire-fighting Intelligent sprayer
CN106154924A (en) A kind of equipment box lightning protection is for power utilization monitoring device
CN206730344U (en) A kind of Intelligent fire-fighting bolt
CN110805323A (en) Computer room synthesizes protector
CN208302004U (en) A kind of intelligent fire bolt that can remotely monitor
CN219366923U (en) Deluge valve with anti-seismic performance
CN211705717U (en) Fire-fighting system circular nozzle for garbage transportation pipeline
CN2368544Y (en) Automatic spraying extinguisher

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant