CN103157209A - Starting device of gas storage cylinder type superfine dry powder automatic fire extinguishing system for vehicles - Google Patents
Starting device of gas storage cylinder type superfine dry powder automatic fire extinguishing system for vehicles Download PDFInfo
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- CN103157209A CN103157209A CN2013101114096A CN201310111409A CN103157209A CN 103157209 A CN103157209 A CN 103157209A CN 2013101114096 A CN2013101114096 A CN 2013101114096A CN 201310111409 A CN201310111409 A CN 201310111409A CN 103157209 A CN103157209 A CN 103157209A
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Abstract
The invention relates to a starting device of a gas storage cylinder type superfine dry powder automatic fire extinguishing system for vehicles. The starting device comprises a T joint, wherein the T joint is communicated with a fire extinguishing apparatus and is isolated from outside, the T joint is also connected with an automatic detection starter and a manual starter, the automatic detection starter comprises a constant-pressure reducing valve located at one end of the T joint, the constant-pressure reducing valve is communicated with the T joint and is unidirectionally opened towards the direction away from the T joint, one end of the constant-pressure reducing valve in the opening direction is provided with a fire detection tube, and the other end of the fire detection tube is provided with a plug. The starting device has the advantages that the fire detection tube is used for detecting a fire source, can be of any length according to the need and is not limited by the structure of the original starting device, and the problem that the original automatic fire extinguishing device only can detect the fire around the fire extinguishing device is solved; and besides, the manual starter is additionally arranged, once the fire detection tube leaks, persons can manually start when discovering a fire, thereby doubly guaranteeing the starting of the fire extinguishing device and improving the system reliability.
Description
Technical field
This patent belongs to the extinguishing device technical field in road vehicle, belongs to the A62C3/07 group of IPC classification number, particularly relates to the starting drive of the automobile-used ultra-fine dry powder automatic fire extinguishing system of a kind of gas bomb type.
Background technology
The ultra-fine dry powder fire extinguishing is a kind of extinguishing method that emerges in recent years, its principle is to make the volatility analyte of the inorganic salts in powder dry up, with free radical or active group generation Chemical Inhibition and the negative catalyst that fuel in combustion process produces, make the chain reaction of burning interrupt and put out a fire.In addition, because the gas in aerosol enters in the protection zone, improved gas gross in the protection zone; reduced the ratio of oxygen in the protection zone; be reduced to 14% following the time when oxygen concentration from 21%, the combustion process of ordinary matter can stop, thereby plays the effect of fire extinguishing.
At present, the automatic fire extinguisher of employing ultra-fine dry powder generally adopts the mode of hot aerosol fire extinguishing, cartridge bag namely is set in automatic fire extinguisher, for example the constituent of cartridge bag can be potassium nitrate, ammonium nitrate, cellulose, utilize instantaneous pressure that cartridge bag generates gaseous product rapidly during chemical reaction that the ultra-fine dry powder of storage is all blown out, perhaps can produce during the chemical reaction of cartridge bag own and form aerocolloidal material (mixture of particle and inert gas), form hot aerosol by above dual mode, play fire extinguishing function.
But the mode of hot aerosol fire extinguishing has following problem: adopt the hot aerosol fire extinguishing, can reach 800 ° more than C for gas temperature after the blast that discharges ultra-fine dry powder, easily the material in the guard plot is caused quadratic loss.Especially when misoperation appearred in automatic fire extinguisher, the high-temperature gas of release might cause the combustible burning in the protection zone on the contrary, causes fire.
Chinese patent CN101474461B(day for announcing 2012.6.27) announced a kind of self-extinguishing device for automobile, although this device has adopted the cold air sol mode to put out a fire, but the starting drive of this device is directly installed on extinguishing device, the startup of starting drive is to fuse by constant temperature group sheet, constant temperature group sheet is lost the pulling force to drive rod, drive rod is under the resilient force of driving spring, inwardly flick, compression triangle start core, the passage that makes gas discharge is unimpeded, gas in compressed gas chamber is discharged by the space of triangle start core periphery, piston moves down (with the accompanying drawing direction in this patent), make Compressed Gas that ultra-fine dry powder is taken out of.
Adopt the limitation of this Starting mode to be, because this starting drive is directly to be arranged on extinguishing device, can install 2,4,6,8, but being fusing with constant temperature group sheet, the triggering of whole system is as the criterion, how many constant temperature group sheets are arranged, just can survey the condition of a fire of what points.The position of constant temperature group sheet where, just can survey the condition of a fire where.But the position of constant temperature group sheet and quantity are subject to the restriction of starting drive after all, can not have a lot of constant temperature group sheets to be distributed in very wide scope, and investigative range is very limited.For directly not occurring in extinguishing device fire on every side, delay of response can't directly fire extinguishing within the very first time.
Method in adopting above-mentioned document starts extinguishing device, and the domestic temperature-sensitive wire that utilizes in addition starts.The mode that the temperature-sensitive wire starts can be used for hot aerosol fire extinguishing or cold air sol fire extinguishing.This mode is mainly to utilize variations in temperature, change the conductor resistance value in the temperature-sensitive wire or make the insulating barrier in wire melt, thereby make between two wires of original insulation and consist of the contact, form short circuit current, thereby the cartridge bag generation chemical reaction of hot aerosol, perhaps utilize magnetic valve to open the gas communication passage of cold air sol, the final realization put out a fire.But, adopt now the temperature-sensitive wire as the starting element of aerosol fire-extinguishing device, because the temperature error that causes the temperature-sensitive wire to react is larger, be generally tens degree, the most accurate also will have tens degree, and the precision when causing extinguishing device to start is lower.Thereby finally cause the startup of extinguishing device misoperation to occur, the described problem of Third Nature section in the background technology part occurs.
And, in existing self-extinguishing device for automobile, do not adopt manual start device, place one's entire reliance upon automatic Starting mode.In case automatically actuated mode lost efficacy, fire extinguishing system can't be used, thereby incur loss through delay fire extinguishing opportunity.
Summary of the invention
This patent provides the starting drive of the automobile-used ultra-fine dry powder automatic fire extinguishing system of a kind of gas bomb type for solving the technical problem that exists in known technology, the investigative range of this starting drive is wide, is quick on the draw.
The starting drive of the automobile-used ultra-fine dry powder automatic fire extinguishing system of a kind of gas bomb type comprises automatic detection starter and manual starter, it is characterized in that:
Also include threeway, described threeway and extinguishing device UNICOM and seal with the external world, this threeway also is connected with automatic detection starter and manual starter, described automatic detection starter comprises the constant pressure pressure-reducing valve that is located at threeway one end, this constant pressure pressure-reducing valve and threeway UNICOM and court open away from the threeway direction is unidirectional, the end that constant pressure pressure-reducing valve is opened direction is provided with the spy fire tube, and the other end of visiting fire tube is provided with plug.
This patent can also be by the following technical solutions:
Preferably, described manual starter is connected with threeway with check-valves by connecting line successively, and described check-valves comprises check valve body, first triangle spool, union (screwed)bonnet (UB and hold out against joint,
The right-hand member of described check valve body is provided with internal thread hole, and described internal thread hole is connected with threeway by screw thread, and the middle part of check valve body is provided with a through hole, and the left end of check valve body is provided with external screw thread and the counterbore that is connected with through hole,
Described first triangle spool is located in check valve body and is held out against by spiral compression spring, the other end of spiral compression spring is against on the outer face of threeway, first triangle spool comprises that the first flange portion and cross section are leg-of-mutton mandrel section, flange portion is withstood by spiral compression spring, mandrel section is positioned at above-mentioned through hole, the first flange portion of first triangle spool and mandrel section junction are set with sealing ring
The described joint that holds out against also is provided with the second flange portion, the second flange portion one side is the link that is connected with the joint of connecting line, the hold out against end of opposite side for radially ventilating and hold and hold out against first triangle spool, described the second flange portion right flank is against on the end face of check valve body, the union (screwed)bonnet (UB that the left surface of described the second flange portion is threaded on check valve body compresses, hold out against coupling axis and be provided with main passage, main passage is provided with radially minute passage at ventilation end radially.
Preferably, described manual starter includes that push button, locking draw pin, press down sliding axle, gland, manual valve body, second triangle spool, spiral compression spring and manual starter pedestal,
Be provided with vent line and the valve body installing hole that is connected with valve body screw thread with connecting line UNICOM in described manual starter pedestal,
Described push button with press down sliding axle and be fixedly connected with, pin is drawn in the locking that is provided with that presses down on sliding axle radially, press down sliding axle and be provided with three-flange section, press down sliding axle and pass the gland that is threaded with manual valve body, and the upper side of three-flange section is glanded to be pushed down, the lower end that presses down sliding axle also is provided be used to the termination that presses down that presses down second triangle spool
The middle part of described manual valve body is provided with the main exhaust hole suitable with the mandrel section of triangle valve body, manual valve body also be provided with communicate with the main exhaust hole radially divide steam vent, described second triangle vavle mandrel to be through in manual valve body, the bottom of manual valve body is provided with counterbore with the first flange portion of holding second triangle spool and is used for holding out against the spiral compression spring of second triangle spool.
Manual starter can be arranged on the instrument plate according to user's needs, perhaps in the drawer in face of copilot.
Further preferred, also be provided with Pressure gauge on described manual starter pedestal.
Advantage and good effect that this patent has are:
Because this patent adopts technique scheme, survey burning things which may cause a fire disaster by visiting fire tube, can be arranged to as required random length, investigative range is wide, be quick on the draw, the fire extinguisher of can adjusting the distance is timely made timely reaction than the condition of a fire at distant positions place, is not subjected to the structural limitations of original starting drive, has overcome the problem that original automatic fire extinguisher can only be surveyed the condition of a fire around extinguishing device self.Simultaneously, increase manual start device, the spy fire tube such as need not and leak, can manually boot when finding the condition of a fire artificial, for the startup of extinguishing device has increased dual fail-safe, improved the reliability of system.
Description of drawings
Fig. 1 is the structural representation of this patent;
Fig. 2 is the structural representation of the threeway of this patent and check-valves, constant pressure reduction valve portion;
Fig. 3 is the manual starter structural representation of this patent.
In figure:
1, automatic detection starter; 11, constant pressure pressure-reducing valve; 111, constant pressure reduction valve body; 112, supported joint; 113, the third triangle spool; 1131, the first flange portion; 1132, mandrel section; 114, spiral compression spring; 115, sealing ring; 116, spacing grommet; 12, visit fire tube; 13, plug; 14, visit the fire tube fixed leg;
2, threeway;
3, check-valves; 31, check valve body; 32, union (screwed)bonnet (UB; 33, hold out against joint; 331, the second flange portion; 332, link; 333, radially ventilation is held; 334, hold out against end; 335, main passage; 336, divide passage; 34, first triangle spool;
4, connecting line;
5, manual starter; 51, push button; 52, pin is drawn in locking; 53, press down sliding axle; 531, three-flange section; 532, press down the termination; 54, gland; 55, manual valve body; 551, radially divide steam vent; 56, manual starter pedestal; 57, vent line; 58, Pressure gauge; 59, second triangle spool.
The specific embodiment
For further understanding summary of the invention, the Characteristic of this patent, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Embodiment 1:
See also Fig. 1 to Fig. 3,
The starting drive of the automobile-used ultra-fine dry powder automatic fire extinguishing system of a kind of gas bomb type comprises automatic detection starter 1 and manual starter 5,
Also include threeway 2, threeway and extinguishing device UNICOM (extinguishing device is not shown) and seal with the external world, this threeway also is connected with automatic detection starter and manual starter, the automatic detection starter comprises the constant pressure pressure-reducing valve 11 that is located at threeway one end, this constant pressure pressure-reducing valve and threeway UNICOM and court open away from the threeway direction is unidirectional, the end that constant pressure pressure-reducing valve is opened direction is provided with spy fire tube 12, and the other end of visiting fire tube is provided with plug 13.Visiting fire tube can as required, be fixed on the bulkhead of automobile engine by visiting fire tube fixed leg 14.
constant pressure pressure-reducing valve comprises constant pressure reduction valve body 111 and supported joint 112, the left end of constant pressure reduction valve body is provided with internal thread, the constant pressure reduction valve body is connected with the threeway right-hand member by the internal thread of its left end, the middle part of constant pressure reduction valve body is provided with a through hole, the right-hand member of constant pressure reduction valve body is provided with internal thread and the counterbore that is connected with through hole, supported joint is connected with the constant pressure reduction valve body by the internal thread of constant pressure reduction valve body right-hand member, the third triangle spool 113 is located in the constant pressure reduction valve body and is held out against by spiral compression spring 114, the other end of spiral compression spring is against on the left side of supported joint, the third triangle spool comprises that the first flange portion 1131 and cross section are leg-of-mutton mandrel section 1132, flange portion is withstood by spiral compression spring, mandrel section is positioned at above-mentioned through hole, the first flange portion of the third triangle spool and mandrel section junction are set with sealing ring 115.Also be provided with spacing grommet 116 between the right side of constant pressure reduction valve body and supported joint, by changing the thickness of spacing grommet, can change the decrement of spiral compression spring, thereby change the size of the elastic force that is subject to the right side of the third triangle spool, the final change visited in fire tube and threeway internal pressure extent.
Hold out against joint 33 and also be provided with the second flange portion 331, the second flange portion one side is the link 332 that is connected with the joint of connecting line, opposite side for ventilation end 333 radially and hold out against first triangle spool hold out against end 334, the second flange portion right flank is against on the end face of check valve body 31, the union (screwed)bonnet (UB that the left surface of the second flange portion is threaded on check valve body compresses, hold out against coupling axis and be provided with main passage 335, main passage is provided with radially minute passage 336 at ventilation end radially.
Manual starter includes that push button 51, locking draw pin 52, press down sliding axle 53, gland 54, manual valve body 55, second triangle spool 113, spiral compression spring 114 and manual starter pedestal 56,
Be provided with vent line 57 and the valve body installing hole that is connected with valve body screw thread with connecting line UNICOM in the manual starter pedestal,
Push button with press down sliding axle and be fixedly connected with, pin is drawn in the locking that is provided with that presses down on sliding axle radially, press down sliding axle and be provided with three-flange section 531, press down sliding axle and pass the gland that is threaded with manual valve body, and the upper side of three-flange section is glanded to be pushed down, the lower end that presses down sliding axle also is provided with and presses down termination 532 be used to what press down second triangle spool 59
The middle part of manual valve body is provided with the main exhaust hole suitable with the mandrel section of triangle valve body, manual valve body also be provided with communicate with the main exhaust hole radially divide steam vent 551, second triangle vavle mandrel to the center that is through manual valve body, the bottom of manual valve body is provided with counterbore and is used for holding out against the spiral compression spring 114 of second triangle spool with the first flange portion of holding second triangle spool 59 and 1131.
Manual starter can be arranged on the instrument plate according to user's needs, perhaps in the drawer in face of copilot.
Also be provided with Pressure gauge 58 on the manual starter pedestal, in order to the size of the air pressure in the manual monitoring extinguishing device.
The operating principle of this patent is:
In the installation process of this patent,
The first step, to not comprise that union (screwed)bonnet (UB 32 and the check-valves that holds out against joint 33 are arranged in threeway 2, and automatic detection starter 1 and threeway are installed together, in the process of installing, the third triangle spool 113 is pressed on the constant pressure reduction valve body 11 by spiral compression spring 114, because the other end of spiral compression spring is against on supported joint 112, so in supported joint was screwed in the process of constant pressure reduction valve body, spiral compression spring namely had been endowed initial elastic force.This elastic force has finally namely caused the air pressure pressure and the difference of visiting the air pressure pressure in fire tube 12 in threeway.
Second step is installed together threeway and extinguishing device, and the sealing of extinguishing device is opened, and the air pressure pressure in threeway is consistent with the pressure in extinguishing device.because the initial pressure of visiting in fire tube 12 is lower, in the process that threeway and extinguishing device are installed together or after this process, stressed less than the left side of the third triangle spool 113 right sides stressed, what the third triangle spool was suffered makes a concerted effort to the right, the third triangle spool can move right, open the sealing between sealing ring 115 and constant pressure reduction valve body 111, high pressure gas in threeway is known from experience to visiting in fire tube mobile, until the gas in the spy fire tube equals in threeway gas for the third triangle spool gas pressure power left for the elastic force sum of the gas pressure power left of the third triangle spool and spiral compression spring 114, the three reaches balance.And at check-valves 3 places, because second triangle spool 59 is to open towards the threeway direction, be all self-closed towards the direction away from threeway, so this moment, check-valves can prevent that gases at high pressure from leaking from check-valves.
The 3rd step was connected manual starter 5 with connecting line 4, and with connecting line with hold out against joint 33 and be connected, and then will hold out against joint and union (screwed)bonnet (UB 32 is arranged on check valve body 31.Because first triangle spool is to open towards the threeway direction, towards being all self-closed away from the direction of threeway, so in manual starter, as long as locking draws pin 52 not pull open, only to guarantee gases at high pressure sealing herein.holding out against during joint and union (screwed)bonnet (UB be arranged on the process of check valve body, owing to holding out against joint constantly is deep into check valve body in the continuous rotary course of the screw thread of union (screwed)bonnet (UB in, holding out against end 334 beginnings contacts with the left end of first triangle spool 34, and make first triangle spool move right, thereby open the sealing of sealing ring in check-valves 115 and check valve body, make the space between the through hole of mandrel section that gases at high pressure in threeway can be by first triangle spool and check valve body, and flow in connecting line 4 and manual starter 5 through undue passage 336 and main passage 335.Thereby the air pressure in Pressure gauge is consistent with the pressure in threeway and extinguishing device, and Pressure gauge can show the pressure in extinguishing device.
Above-mentioned installation process is not limited to and above step order, but should guarantee that at least the first step completed before second step.In addition, can also starting drive assemble fully complete after, then starting drive is arranged on extinguishing device.
After completing above-mentioned installation steps, in Pressure gauge, in connecting line, the air pressure pressure in threeway is consistent with the high pressure gas pressure in extinguishing device.Visit the gas in fire tube because passed through the decompression of constant pressure pressure-reducing valve, its pressure has been realized relatively low pressure less than the air pressure pressure in extinguishing device, has extended the service life of visiting fire tube.In addition, visit keep in fire tube relatively with extinguishing device in low pressure, avoided the spy fire tube because self internal pressure is larger, the spy fire tube breaks and the misoperation that causes at lower temperature, has improved the reliability of system.
Because this patent has comprised manual starter and automatic detection starter, so the operation of this patent comprises two kinds of patterns---manually boot pattern and automatic start-up mode.
manually boot in pattern, when the personnel in vehicle find the condition of a fire, can destroy lead sealing, pull open locking and draw pin 52, locking draws pin namely to lose for the support of depressing sliding axle 53, then press push button 51, pressing down sliding axle moves down in gland 54, press down the mandrel section 1132 that termination 532 promotes first triangle spools 113 that presses down of sliding axle bottom, when mandrel section is pushed down, sealing between sealing ring and manual valve body is opened, the gases at high pressure threeway 2 of flowing through successively, check-valves 3, connecting line 4, vent line 57, the third triangle spool cross section is the space between leg-of-mutton mandrel section and main exhaust hole, and through radially dividing steam vent 551 ejections.Finally play the effect that pressure release starts.
Automatically in start-up mode, when the condition of a fire occurring in the engine cavity of vehicle, temperature rises, when visit in Fig. 1 fire tube had by circle the position of circle melted by high-temperature gas by or when directly burning, the gas of visiting in fire tube begins to discharge, air pressure descends.Because the air pressure of visiting in fire tube descends, for the third triangle spool in constant pressure pressure-reducing valve, the atmospheric pressure that the elastic force that its right side is subject to and atmospheric pressure sum are subject to less than its left side, the third triangle spool moves right and compresses spiral compression spring, make the sealing between sealing ring and constant pressure reduction valve body be opened, flow through successively threeway, cross section of gases at high pressure is space, supported joint and spy fire tube between leg-of-mutton mandrel section and constant pressure reduction valve body, ejection at last.Finally play the effect that pressure release starts.
Although the above is described the preferred embodiment of this patent by reference to the accompanying drawings; but this patent is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under the enlightenment of this patent; do not breaking away from the scope situation that this patent aim and claim protect; can also make a lot of forms; for example: 1. will visit fire tube and make the form that contains branch road, and can be dispersed throughout each position of enging cabin.Within these all belong to the protection domain of this patent.
Claims (4)
1. the starting drive of the automobile-used ultra-fine dry powder automatic fire extinguishing system of gas bomb type, comprise automatic detection starter and manual starter, it is characterized in that:
Also include threeway, described threeway and extinguishing device UNICOM and seal with the external world, this threeway also is connected with automatic detection starter and manual starter, described automatic detection starter comprises the constant pressure pressure-reducing valve that is located at threeway one end, this constant pressure pressure-reducing valve and threeway UNICOM and court open away from the threeway direction is unidirectional, the end that constant pressure pressure-reducing valve is opened direction is provided with the spy fire tube, and the other end of visiting fire tube is provided with plug.
2. the starting drive of the automobile-used ultra-fine dry powder automatic fire extinguishing system of gas bomb type as claimed in claim 1, it is characterized in that: described manual starter is connected with threeway with check-valves by connecting line successively, described check-valves comprises check valve body, first triangle spool, union (screwed)bonnet (UB and holds out against joint
The right-hand member of described check valve body is provided with internal thread hole, and described internal thread hole is connected with threeway by screw thread, and the middle part of check valve body is provided with a through hole, and the left end of check valve body is provided with external screw thread and the counterbore that is connected with through hole,
Described first triangle spool is located in check valve body and is held out against by spiral compression spring, the other end of spiral compression spring is against on the outer face of threeway, first triangle spool comprises that the first flange portion and cross section are leg-of-mutton mandrel section, flange portion is withstood by spiral compression spring, mandrel section is positioned at above-mentioned through hole, the first flange portion of first triangle spool and mandrel section junction are set with sealing ring
The described joint that holds out against also is provided with the second flange portion, the second flange portion one side is the link that is connected with the joint of connecting line, the hold out against end of opposite side for radially ventilating and hold and hold out against first triangle spool, described the second flange portion right flank is against on the end face of check valve body, the union (screwed)bonnet (UB that the left surface of described the second flange portion is threaded on check valve body compresses, hold out against coupling axis and be provided with main passage, main passage is provided with radially minute passage at ventilation end radially.
3. the starting drive of the automobile-used ultra-fine dry powder automatic fire extinguishing system of gas bomb type as claimed in claim 1, it is characterized in that: described manual starter includes that push button, locking draw pin, press down sliding axle, gland, manual valve body, second triangle spool, spiral compression spring and manual starter pedestal
Be provided with vent line and the valve body installing hole that is connected with valve body screw thread with connecting line UNICOM in described manual starter pedestal,
Described push button with press down sliding axle and be fixedly connected with, pin is drawn in the locking that is provided with that presses down on sliding axle radially, press down sliding axle and be provided with three-flange section, press down sliding axle and pass the gland that is threaded with manual valve body, and the upper side of three-flange section is glanded to be pushed down, the lower end that presses down sliding axle also is provided be used to the termination that presses down that presses down second triangle spool
The middle part of described manual valve body is provided with the main exhaust hole suitable with the mandrel section of triangle valve body, manual valve body also be provided with communicate with the main exhaust hole radially divide steam vent, described second triangle vavle mandrel to be through in manual valve body, the bottom of manual valve body is provided with counterbore with the first flange portion of holding second triangle spool and is used for holding out against the spiral compression spring of second triangle spool.
4. the starting drive of the automobile-used ultra-fine dry powder automatic fire extinguishing system of gas bomb type as claimed in claim 3, is characterized in that: also be provided with Pressure gauge on described manual starter pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310111409.6A CN103157209B (en) | 2013-04-01 | 2013-04-01 | Starting device of gas storage cylinder type superfine dry powder automatic fire extinguishing system for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310111409.6A CN103157209B (en) | 2013-04-01 | 2013-04-01 | Starting device of gas storage cylinder type superfine dry powder automatic fire extinguishing system for vehicles |
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| CN103157209A true CN103157209A (en) | 2013-06-19 |
| CN103157209B CN103157209B (en) | 2014-12-10 |
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| CN201310111409.6A Expired - Fee Related CN103157209B (en) | 2013-04-01 | 2013-04-01 | Starting device of gas storage cylinder type superfine dry powder automatic fire extinguishing system for vehicles |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104800991A (en) * | 2014-01-29 | 2015-07-29 | 田文国 | Automatic fireproofing and fire-extinguishing system of vehicle |
| CN105031852A (en) * | 2015-08-28 | 2015-11-11 | 南车戚墅堰机车有限公司 | Gas control device of fire extinguishing system |
| CN110841233A (en) * | 2019-12-18 | 2020-02-28 | 陕西陆方安全科技有限责任公司 | Dedicated manual starting drive of indirect type fire detection tube fire extinguishing systems |
| CN112918283A (en) * | 2019-12-05 | 2021-06-08 | 未势能源科技有限公司 | A vehicle that is used for gas bomb of vehicle and has it |
| CN113941106A (en) * | 2020-07-16 | 2022-01-18 | 哲弗智能系统（上海）有限公司 | Battery pack fire extinguishing system |
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