CN205434757U - Automotive power cabin extinguishing device with self -checking function wets - Google Patents
Automotive power cabin extinguishing device with self -checking function wets Download PDFInfo
- Publication number
- CN205434757U CN205434757U CN201620203960.2U CN201620203960U CN205434757U CN 205434757 U CN205434757 U CN 205434757U CN 201620203960 U CN201620203960 U CN 201620203960U CN 205434757 U CN205434757 U CN 205434757U
- Authority
- CN
- China
- Prior art keywords
- electrode band
- breach
- band
- control circuit
- anode electrode
- 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.)
- Expired - Fee Related
Links
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- 239000000126 substance Substances 0.000 claims description 33
- 230000006698 induction Effects 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 5
- 239000003814 drug Substances 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 41
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model provides an automotive power cabin extinguishing device with self -checking function wets, is including wet inductor and control circuit board, wets the inductor setting in the product air cavity of producing gas agent barrel, and wet inductor and fire extinguishing agent separation blade are located two sides of producing gas medicine piece respectively, and the inductor that wets is connected with control circuit board is electric, the inductor that makes moist comprises insulating substrate, anode electrode set of bands, negative electrode set of bands, positive wire and negative pole lead wire, and each electrode area interval distribution in each electrode area and the negative electrode set of bands in the anode electrode set of bands, anode electrode band -pass cross the positive wire and be connected with the control circuit board electricity, and the negative electrode set of bands passes through the negative pole lead wire to be connected with the control circuit board electricity, and whether the product gas medicine piece that control circuit board anode electrode 1, people can differentiate wherein in view of the above in real time makes moist.
Description
[technical field]
This utility model relates to a kind of extinguishing device, particularly to a kind of extinguishing device used in automobile power cabin.
[background technology]
Along with the lifting of power of vehicle and increasing of control circuit, owing to the self-burning of vehicle accident that in automobile engine nacelle electrical equipment is aging, pipeline leak causes the most frequently occurs, being equipped with automatic fire extinguisher in enging cabin has positive effect to putting out in time from the beginning of fire.Applicant always works on this technical research, and pays close attention to the scientific achievement that this field is up-to-date.
Existing non-reservoir pressure extinguishing device is by extinguishing chemical spout, the membranaceous catch of level pressure, extinguishing chemical cylinder, extinguishing chemical catch, gas generant composition in accordance block, gas generating agent cylinder, first-class parts of igniting form, when there is the condition of a fire, switched on power by automatic or manual and make the heat generating spot combustion gas generating agent medicine block under the function of current of the bridge silk in igniter head, the gases at high pressure that gas generating agent medicine block produces break through in the diaphragm seal entrance extinguishing chemical cylinder being pasted onto extinguishing chemical catch side, the membranaceous level pressure catch being arranged on fire extinguishing nozzle is made to be broken through, extinguishing chemical sprays to the scene of a fire by extinguishing chemical spout under the effect of gas, realize fire extinguishing.
Non-reservoir pressure extinguishing device has the advantages such as volume is little, normal pressure stores, maintenance is simple, but its fatal shortcoming is cannot be from the situation of making moist in judging extinguishing device in appearance.Gas generant composition in accordance will be unable to be ignited after making moist soon and loses aerogenesis function, and match board head makes moist and will cause that ignition ability declines and cannot to light gas generant composition in accordance fast.
Under high-temperature condition, in non-reservoir pressure extinguishing device, the gas of expanded by heating can outflow from the gap of device, along with the reduction of temperature again can be by the air suction device of also moisture, this " breathing " phenomenon is to cause gas generant composition in accordance fast and main cause that match board head makes moist, the performance of this to the extinguishing device being arranged on automobile engine nacelle " breathing " phenomenon particularly frequently with highlight.The technical problem whether this utility model makes moist in solving detection extinguishing device by disposing the way of the induction apparatus that makes moist in extinguishing device.
[utility model content]
The purpose of this utility model there is provided a kind of automobile power cabin extinguishing device with self-checking function of making moist, and whether people can make moist by real time discriminating gas generant composition in accordance therein block.
nullA kind of automobile power cabin extinguishing device with self-checking function of making moist，Including extinguishing chemical cylinder、Extinguishing chemical catch、Gas generant composition in accordance block、Gas generating agent cylinder and match board head，It is filled with powder extinguishing agent in the inner chamber of extinguishing chemical cylinder，And axially closed by extinguishing chemical catch，Gas generating agent cylinder is docked with the sealing of extinguishing chemical cylinder by sealing member，Gas generant composition in accordance block is arranged in the space that gas generating agent cylinder and extinguishing chemical cylinder are enclosed，And it is positioned at the side of extinguishing chemical catch，It is characterized in that: also include make moist induction apparatus and control circuit plate，The induction apparatus that makes moist is arranged in the aerogenesis chamber of gas generating agent cylinder，Make moist induction apparatus and extinguishing chemical catch lays respectively at two sides of gas generant composition in accordance block，The induction apparatus that makes moist electrically connects with control circuit plate，Match board head is arranged on the aerogenesis intracavity of gas generating agent cylinder，Match board head is through the induction apparatus alignment gas generant composition in accordance block that makes moist，Match board head electrically connects with control circuit plate，Control circuit plate is powered by power line.
Further, aerogenesis chamber, dividing plate and electric apparatus chamber it is provided with in gas generating agent cylinder, aerogenesis chamber and electric apparatus chamber are separately positioned on the both sides of dividing plate, dividing plate is provided with through wires hole, elastic inlet wire plug it is provided with hermetically in through wires hole, control circuit plate is arranged in the electric apparatus chamber of gas generating agent cylinder, and is covered by cover plate.
Further, the described induction apparatus that makes moist is made up of insulating base, anode electrode band group, negative electrode band group, positive wire and negative wire, in anode electrode band group, in each electrode band and negative electrode band group, each electrode band is spaced apart, anode electrode band group is electrically connected with control circuit plate by positive wire, and negative electrode band group is electrically connected with control circuit plate by negative wire.
Further, the electrode band in described anode electrode band group and negative electrode band group is straightway.
Further, described anode electrode band group is made up of cylindrical positive pole band, two breach circular arc anode electrode bands and radial direction positive pole band, the breach of two breach circular arc anode electrode bands is in same phase angle, is connected by radially positive pole band between cylindrical positive pole band and two breach circular arc anode electrode bands；Described negative electrode band group is made up of inner circle negative pole band, two breach circular arc negative electrode bands and radial direction negative pole band, the breach of two breach circular arc negative electrode bands is in same phase angle, inner circle negative pole band and two breach circular arc negative electrode bands are connected by radially negative pole band, two breach circular arc anode electrode bands and two breach spaced distributions of circular arc negative electrode, and between cylindrical positive pole band and inner circle negative pole band, the breach of breach circular arc negative electrode band staggers with the breach of breach circular arc anode electrode band.
Further, between adjacent positive electrode band and negative electrode band, spacing is 0.1～2 millimeter；
Further, the breach inphase angle of all anode electrode band groups is arranged, and the breach also inphase angle of all negative electrode band groups is arranged, and phase angle residing for phase angle residing for the breach of anode electrode band group and the breach of negative electrode band group staggers.
Further, gas generating agent cylinder is provided with relief valve.
Further, the spout end at extinguishing chemical cylinder is provided with membranaceous level pressure catch, internal and external threads set and fire extinguishing sprayer, and membranaceous level pressure catch is spacing by internal and external threads set axial seal, and fire extinguishing sprayer is rotated with hermetically in the endoporus of internal and external threads set.
Owing to being additionally arranged, near gas generant composition in accordance block side, the induction apparatus that makes moist at gas generating agent cylinder, the induction apparatus that makes moist electrically connects with control circuit plate, control circuit plate electrically connects with the alarm device that makes moist, as long as making moist, induction apparatus sends, to control circuit plate, the signal that makes moist, the control circuit plate alarm device that will make to make moist sends chimes of doom or lights the corresponding cues such as alarm lamp, prompting people should upgrade in time or change, it is ensured that whole extinguishing device is in normally treats duty.Big without using volume, expensive Humidity Detection and sensing device, only employ the induction apparatus that makes moist of one piece of common rail tabular, described sensor structure design of making moist is the most ingenious, it is made up of insulating base, anode electrode band group, negative electrode band group, positive wire and negative wire, anode electrode band group and negative electrode band group are distributed in same side, in anode electrode band group, all anode electrode bands are connected by positive wire, in negative electrode band group, all negative electrode bands are connected by negative wire.The spacing distance of adjacent positive electrode band group and negative electrode band group controls between 0.1～3 millimeter, the least precision of spacing is the highest, its operation principle is: after when the space residing for gas generant composition in accordance block, no matter which kind of reason enters steam, steam is met on the side of insulating base and cold will be condensed liquefaction, when the steam of liquefaction covers adjacent anode electrode band group and negative electrode band group, turn between anode electrode band group and negative electrode band group, because water itself has electric conductivity, utilize whether space residing for gas generant composition in accordance block just can be contained the water gas shift energy signal of telecommunication by a principle, alarm device can be controlled by conventional control circuit again and send corresponding alarm signal.So people just can pass judgment on whether gas generant composition in accordance block in extinguishing device makes moist in real time, it is ensured that extinguishing device is in treats duty normally, and this scheme neither increases the overall dimensions of extinguishing device, and control circuit is simple and reliable, with low cost.
If being provided with relief valve on gas generating agent cylinder, then can limit the maximum working pressure of whole extinguishing device, the potential safety hazard that set off an explosion because internal pressure is too high during preventing from using, improves whole extinguishing device security performance.In this extinguishing device, the pressure release value of relief valve is preset by people, but the pressure release value of relief valve necessarily be greater than the Rupture of Membrane pressure of membranaceous level pressure catch.
[accompanying drawing explanation]
Fig. 1 is the decomposing schematic representation (right regarding is decomposed) of this utility model structural elements；
Fig. 2 is the decomposing schematic representation (left view decomposition) of this utility model structural elements；
Fig. 3 is assembling structure sectional view of the present utility model；
Fig. 4 is the structural representation of gas generating agent cylinder；
Fig. 5 is a kind of distributed architecture schematic diagram of induction apparatus of making moist in this utility model；
Fig. 6 is A-A cutaway view Amplified image in Fig. 5；
Fig. 7 is that in this utility model, gas generant composition in accordance block makes moist alarm control circuit theory diagram.
In figure, 1-extinguishing chemical cylinder；2-extinguishing chemical catch；3-gas generant composition in accordance block；4-gas generating agent cylinder；
5-match board head；6-powder extinguishing agent；7-makes moist induction apparatus；8-control circuit plate；9-cover plate；10-relief valve；11-membranaceous level pressure catch；12-internal and external threads set；13-fire extinguishing sprayer；14-sealing ring；15-alarm device；41-aerogenesis chamber；42-dividing plate；43-electric apparatus chamber；44-through wires hole；45-elasticity inlet wire plug；71-insulating base；72-anode electrode band group；73-negative electrode band group；74-positive wire；75-negative wire；721-cylindrical positive pole band；722-breach circular arc anode electrode band；723-radially positive pole band；731-inner circle negative pole band；732-breach circular arc negative electrode band；733-radially negative pole band.
[detailed description of the invention]
Illustrate detailed description of the invention of the present utility model below in conjunction with the accompanying drawings.
nullA kind of automobile power cabin extinguishing device with self-checking function of making moist，As shown in Fig. 1～Fig. 7，It includes extinguishing chemical cylinder 1、Extinguishing chemical catch 2、Gas generant composition in accordance block 3、Gas generating agent cylinder 4、Match board head 5、Powder extinguishing agent 6、Make moist induction apparatus 7、Control circuit plate 8、Cover plate 9、Relief valve 10、Membranaceous level pressure catch 11、Internal and external threads set 12、Fire extinguishing sprayer 13、Sealing ring 14 and alarm device 15，Powder extinguishing agent 6 it is filled with in the inner chamber of extinguishing chemical cylinder 1，And axially closed by extinguishing chemical catch 2，Aerogenesis chamber 41 it is provided with in gas generating agent cylinder 4、Dividing plate 42 and electric apparatus chamber 43，Aerogenesis chamber 41 and electric apparatus chamber 43 are separately positioned on the both sides of dividing plate 42，Dividing plate 42 is provided with through wires hole 44，Elastic inlet wire plug 45 it is provided with hermetically in through wires hole 44，Control circuit plate 8 is arranged in electric apparatus chamber 43，And covered by cover plate 9，Make moist induction apparatus 7 and gas generant composition in accordance block 3 is placed sequentially in aerogenesis chamber 41，The electric wire that draws of match board head 5 and the induction apparatus 7 that makes moist both passes through elastic inlet wire plug 45 and enters electric apparatus chamber 43 and electrically connect with control circuit plate 8，Match board head 5 is through the central aperture gas generant composition in accordance block 3 of the induction apparatus 7 that makes moist，Control circuit plate 8 is powered by power line，Gas generating agent cylinder 4 is docked with extinguishing chemical cylinder 1 sealing by sealing ring 14，In this example，The described induction apparatus 7 that makes moist is by insulating base 71、Anode electrode band group 72、Negative electrode band group 73、Positive wire 74 and negative wire 75 form，Anode electrode band group 72 is electrically connected with control circuit plate 8 by positive wire 74，Negative electrode band group 73 is electrically connected with control circuit plate 8 by negative wire 75，Described anode electrode band group 72 is by cylindrical positive pole band 721、Two breach circular arc anode electrode bands 722 and radially positive pole band 723 form，The breach of two breach circular arc anode electrode bands 722 is in same phase angle，It is connected by radially positive pole band 723 between cylindrical positive pole band 721 and two breach circular arc anode electrode bands 722；Described negative electrode band group 73 is by inner circle negative pole band 731, two breach circular arc negative electrode bands 732 and radially negative pole band 733 form, the breach of two breach circular arc negative electrode bands 732 is in same phase angle, inner circle negative pole band 731 is connected by radially negative pole band 733 with two breach circular arc negative electrode bands 732, two breach circular arc anode electrode bands 722 and two breach circular arc negative electrode bands 732 are spaced apart, and between cylindrical positive pole band 721 and inner circle negative pole band 731, the breach of breach circular arc negative electrode band 732 staggers with the breach of breach circular arc anode electrode band 722, between adjacent two anode electrode bands and negative electrode band, spacing is 0.1～2 millimeter；Gas generating agent cylinder 4 is provided with relief valve 10；Spout end at extinguishing chemical cylinder 1 is provided with membranaceous level pressure catch 11, internal and external threads set 12 and fire extinguishing sprayer 13, it is spacing that membranaceous level pressure catch 11 is overlapped 12 axial seals by internal and external threads, fire extinguishing sprayer 13 is rotated with hermetically in the endoporus of internal and external threads set 12, in order to prevent spout blocking from security incident occurring, gas generating agent cylinder 4 arranges safety relief spout, in case there is bursting accident.
Embodiment of the present utility model is a lot; above-mentioned embodiment is only for illustrating technology of the present utility model design and feature; its object is to allow persons skilled in the art will appreciate that content of the present utility model and to be carried out; protection domain of the present utility model can not be limited with this; all equivalent arrangements made according to this utility model spirit or difference describe and modify, and all belong to protection domain of the present utility model.
Claims (9)
- null1. an automobile power cabin extinguishing device with self-checking function of making moist，Including extinguishing chemical cylinder (1)、Extinguishing chemical catch (2)、Gas generant composition in accordance block (3)、Gas generating agent cylinder (4) and match board head (5)，Powder extinguishing agent (6) it is filled with in the inner chamber of extinguishing chemical cylinder (1)，And axially closed by extinguishing chemical catch (2)，Gas generating agent cylinder (4) is docked with extinguishing chemical cylinder (1) sealing by sealing member，Gas generant composition in accordance block (3) is arranged in the space that gas generating agent cylinder (4) and extinguishing chemical cylinder (1) are enclosed，And it is positioned at the side of extinguishing chemical catch (2)，It is characterized in that: also include make moist induction apparatus (7) and control circuit plate (8)，The induction apparatus (7) that makes moist is arranged in the aerogenesis chamber (41) of gas generating agent cylinder (4)，Make moist induction apparatus (7) and extinguishing chemical catch (2) lays respectively at two sides of gas generant composition in accordance block (3)，The induction apparatus (7) that makes moist electrically connects with control circuit plate (8)，Match board head (5) is arranged in the aerogenesis chamber (41) of gas generating agent cylinder (4)，Match board head (5) is through the induction apparatus (7) alignment gas generant composition in accordance block (3) that makes moist，Match board head (5) electrically connects with control circuit plate (8)，Control circuit plate (8) is powered by power line.
- The most according to claim 1, there is the automobile power cabin extinguishing device of self-checking function of making moist, it is characterized in that: in gas generating agent cylinder (4), be provided with aerogenesis chamber (41), dividing plate (42) and electric apparatus chamber (43), aerogenesis chamber (41) and electric apparatus chamber (43) are separately positioned on the both sides of dividing plate (42), dividing plate (42) is provided with through wires hole (44), elastic inlet wire plug (45) it is provided with hermetically in through wires hole (44), control circuit plate (8) is arranged in the electric apparatus chamber (43) of gas generating agent cylinder (4), and covered by cover plate (9).
- The most according to claim 1, there is the automobile power cabin extinguishing device of self-checking function of making moist, it is characterized in that: described in make moist induction apparatus (7) by insulating base (71), anode electrode band group (72), negative electrode band group (73), positive wire (74) and negative wire (75) composition, in anode electrode band group (72), in each electrode band and negative electrode band group (73), each electrode band is spaced apart, anode electrode band group (72) is electrically connected with control circuit plate (8) by positive wire (74), negative electrode band group (73) is electrically connected with control circuit plate (8) by negative wire (75).
- The most according to claim 3, there is the automobile power cabin extinguishing device of self-checking function of making moist, it is characterized in that: the electrode band in described anode electrode band group (72) and negative electrode band group (73) is straightway.
- The most according to claim 3, there is the automobile power cabin extinguishing device of self-checking function of making moist, it is characterized in that: described anode electrode band group (72) is made up of cylindrical positive pole band (721), two breach circular arc anode electrode band (722) and radial direction positive pole band (723), the breach of two breach circular arc anode electrode band (722) is in same phase angle, is connected by radially positive pole band (723) between cylindrical positive pole band (721) and two breach circular arc anode electrode band (722)；Described negative electrode band group (73) is by inner circle negative pole band (731), two breach circular arc negative electrode band (732) and radially negative pole band (733) composition, the breach of two breach circular arc negative electrode band (732) is in same phase angle, inner circle negative pole band (731) is connected by radially negative pole band (733) with two breach circular arc negative electrode band (732), two breach circular arc anode electrode band (722) and two breach circular arc negative electrode band (732) are spaced apart, and be positioned between cylindrical positive pole band (721) and inner circle negative pole band (731), the breach of breach circular arc negative electrode band (732) staggers with the breach of breach circular arc anode electrode band (722).
- 6. there is according to claim 4 or 5 the automobile power cabin extinguishing device of self-checking function of making moist, it is characterized in that: between adjacent positive electrode band and negative electrode band, spacing is 0.1～2 millimeter.
- The most according to claim 5, there is the automobile power cabin extinguishing device of self-checking function of making moist, it is characterized in that: the breach inphase angle of all anode electrodes band group (72) is arranged, the breach also inphase angle of all negative electrodes band group (73) is arranged, and phase angle residing for phase angle residing for the breach of anode electrode band group (72) and the breach of negative electrode band group (73) staggers.
- The most according to claim 1, there is the automobile power cabin extinguishing device of self-checking function of making moist, it is characterized in that: on gas generating agent cylinder (4), be provided with relief valve (10).
- The most according to claim 1, there is the automobile power cabin extinguishing device of self-checking function of making moist, it is characterized in that: the spout end at extinguishing chemical cylinder (1) is provided with membranaceous level pressure catch (11), internal and external threads set (12) and fire extinguishing sprayer (13), membranaceous level pressure catch (11) is spacing by internal and external threads set (12) axial seal, and fire extinguishing sprayer (13) is rotated with hermetically in the endoporus of internal and external threads set (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620203960.2U CN205434757U (en) | 2016-03-16 | 2016-03-16 | Automotive power cabin extinguishing device with self -checking function wets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620203960.2U CN205434757U (en) | 2016-03-16 | 2016-03-16 | Automotive power cabin extinguishing device with self -checking function wets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205434757U true CN205434757U (en) | 2016-08-10 |
Family
ID=56603928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620203960.2U Expired - Fee Related CN205434757U (en) | 2016-03-16 | 2016-03-16 | Automotive power cabin extinguishing device with self -checking function wets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205434757U (en) |
-
2016
- 2016-03-16 CN CN201620203960.2U patent/CN205434757U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111129371A (en) | Device and method for protecting thermal runaway of power battery of electric automobile | |
| CN201862182U (en) | Multiple start-up impulse super-fine dry powder fire extinguishing device | |
| CN200993369Y (en) | Igniter for drilling fluid-gas separator | |
| CN207323915U (en) | Intelligent automatic fire extinguishing system | |
| CN205434757U (en) | Automotive power cabin extinguishing device with self -checking function wets | |
| CN103566508B (en) | A kind of automatic fire extinguisher | |
| CN105597250A (en) | Automobile power engine room fire extinguishing device with damp self-checking function | |
| CN104343356A (en) | Explosion fire door | |
| CN209967499U (en) | Remote intelligent monitoring fire extinguisher | |
| CN210224923U (en) | Novel cable joint is explosion-proof device | |
| CN203694458U (en) | Fire extinguishing device for car spontaneous combustion | |
| CN208058934U (en) | Automatic timing fuel gas warning device | |
| CN203591544U (en) | Self-extinguishing device | |
| CN204020794U (en) | The anti-riot escape system of probably putting out a fire of a kind of utility car | |
| KR102412721B1 (en) | Fire detection and extinguishing method for Energy Storage System battery pack | |
| CN214540948U (en) | Novel power-off alarm of various cigarette locate mode | |
| CN108987632A (en) | The fire prevention anti-spontaneous combustion cell safety guard box of leakproof | |
| CN205084507U (en) | Oil filter intelligence alarm system | |
| CN101435584B (en) | Explosion-proof apparatus | |
| CN201363757Y (en) | Self-ignition device of blowing air combustion furnace | |
| CN203217705U (en) | Composite type alarm device | |
| CN207849421U (en) | A kind of detonation ignitor | |
| CN105536176A (en) | Oil tank extinguishment and explosion suppression device | |
| CN203823775U (en) | Device for igniting emission gas with low combustion value by plasma | |
| CN206103151U (en) | Metal armored movable -type high tension switchgear extinguishing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 |