CN109364396B - Aviation subassembly of putting out a fire - Google Patents
Aviation subassembly of putting out a fire Download PDFInfo
- Publication number
- CN109364396B CN109364396B CN201811372298.3A CN201811372298A CN109364396B CN 109364396 B CN109364396 B CN 109364396B CN 201811372298 A CN201811372298 A CN 201811372298A CN 109364396 B CN109364396 B CN 109364396B
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- temperature sensing
- sensing element
- slotted hole
- annular
- valve body
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
- A62C3/08—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides an aviation fire extinguishing assembly, which comprises a valve body and a splash plate, wherein a temperature sensing element is arranged between the splash plate and the valve body, the bottom of the valve body is provided with a spraying port, and the bottom of the spraying port is provided with a plug body; the water splashing disc comprises an annular seat and an annular plate, a supporting assembly is inserted in the annular seat in a connecting mode and comprises a baffle plate, a cylinder and a fixing block, the cylinder is inserted in the annular seat and is in threaded connection with the annular seat, a first slotted hole is formed in the top surface of the cylinder, a second slotted hole is formed in the bottom of the first slotted hole, an annular supporting seat is arranged in the first slotted hole, one end of a temperature sensing element abuts against the plug body, the other end of the temperature sensing element abuts against the supporting seat, an electric heating tube is arranged in the second slotted hole, and the top of the electric heating tube abuts against the bottom of; the temperature sensing element has the advantages of novel structure, convenient assembly and disassembly, good sealing performance and convenient installation or replacement operation of the temperature sensing element; the automatic and artificial double opening mode is adopted, the opening success rate of the fire extinguishing equipment is improved when a safety accident happens, and the normal spraying of the fire extinguishing agent is not influenced.
Description
Technical Field
The invention relates to the field of fire extinguishing assemblies, in particular to an aviation fire extinguishing assembly.
Background
In the field of civil aviation large aircraft, fire is one of the most dangerous threats to the aircraft, whether the aircraft is in flight or on the ground; it is therefore common to install fixed fire detectors and extinguishing equipment in certain parts of the power plant and airframe of an aircraft in order to protect against possible "fire zones"; however, the nozzles of some fire extinguishing apparatuses which are fixedly installed mostly adopt a temperature-sensing type opening mode, and only when the external temperature reaches the damage temperature of the temperature sensing element, the nozzles can be started; or some opening methods adopt a striking type, a striking structure is arranged on the side part of the temperature sensing element, and when the temperature sensing element needs to be started, the striking structure is opened, but the method can influence the spraying of the fire extinguishing agent to a certain extent, so that the coverage area of the fire extinguishing agent is reduced; and the assembly of the existing valve body part is inconvenient to disassemble and assemble, and the installation or replacement operation of the temperature sensing element is troublesome.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an aviation fire extinguishing assembly which is novel in structure, convenient to disassemble and assemble, good in sealing performance and convenient for installation or replacement operation of a temperature sensing element; the automatic and artificial double opening mode is adopted, the opening success rate of the fire extinguishing equipment is improved when a safety accident occurs, the normal spraying of the fire extinguishing agent is not influenced, and the normal coverage area of the fire extinguishing agent is ensured.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an aviation fire extinguishing assembly, which comprises a valve body and a splash pan arranged below the valve body, wherein the splash pan is fixedly connected with the bottom of the valve body through a plurality of vertical rods, a temperature sensing element is arranged between the splash pan and the valve body, a spray outlet communicated with a fire extinguisher tank is arranged in the center of the bottom of the valve body, a plug body is arranged at the bottom of the spray outlet, the plug body comprises a head part inserted in the spray outlet and a base positioned outside the spray outlet, the diameter of the base is larger than that of the spray outlet, a clamping hole is arranged on the bottom surface of the base, and the clamping hole extends into the head part; the splash plate comprises an annular seat and an annular plate fixedly arranged on the side wall of the bottom of the annular seat, a support assembly is inserted in the annular seat and comprises a baffle, a cylinder fixedly arranged on the top surface of the baffle and a fixed block fixedly arranged on the bottom surface of the baffle, the cylinder is inserted in the annular seat and is in threaded connection with the annular seat, the diameter of the baffle is larger than the inner diameter of the annular seat, the top surface of the baffle is abutted against the bottom surface of the annular plate, a first slotted hole is formed in the top surface of the cylinder downwards, a second slotted hole is formed in the bottom of the first slotted hole downwards, the diameter of the second slotted hole is smaller than that of the first slotted hole, an annular support seat is arranged in the first slotted hole, the outer wall of the support seat is fixedly adhered to the inner wall of the first slotted hole, and the inner diameter of the support seat is larger than that of the second slotted hole, the temperature sensing element is arranged between the supporting component and the plug body, one end of the temperature sensing element abuts against the clamping hole, the other end of the temperature sensing element abuts against the supporting seat, an electric heating tube is arranged in the second slotted hole, and the top of the electric heating tube abuts against the bottom of the temperature sensing element.
In a preferred technical scheme of the invention, the bottom of the plug body is provided with a metal cover, the metal cover is arranged to be tightly attached to the bottom wall of the base and the inner wall of the clamping hole, and the metal cover and the plug body are fixedly bonded.
In a preferred technical scheme of the invention, a baffle ring is fixedly arranged on the inner wall of the bottom of the ejection port, a tubular soft colloid is fixedly arranged on the top wall of the head, the soft colloid comprises a pipe body and a flange fixedly arranged on the top of the pipe body, the outer wall of the pipe body is abutted against the inner wall of the baffle ring, and the top of the flange is bent towards the direction far away from the axis of the pipe body.
In a preferred technical scheme of the invention, the top surface of the head is provided with a spherical-crown-shaped concave part downwards, and the concave part is positioned in the soft rubber body.
In a preferred technical scheme of the invention, the electric heating tube is a micro single-head electric heating tube.
In a preferred technical scheme of the invention, the fixed block is provided with a through hole, the through hole is communicated with the second slot hole, and the fixed block is hexagonal prism-shaped.
In a preferred technical scheme of the present invention, the temperature sensing element is a temperature sensing glass ball.
In a preferred technical scheme of the invention, the number of the upright posts is 3-4, and the upright posts are distributed in a circumferential array around the axis of the splash plate.
In a preferred technical scheme of the invention, a channel for fire extinguishing agent to pass through is arranged in the valve body, the channel is communicated with two branches, one branch is provided with a high-pressure relief device, and the other branch is provided with a pressure gauge.
The invention has the beneficial effects that:
the aviation fire extinguishing assembly provided by the invention is novel in structure and good in sealing performance, the support assembly for fixedly supporting the temperature sensing element and the splash plate are connected in a threaded manner, the assembly and disassembly are convenient, and the installation or replacement operation of the temperature sensing element is convenient; the temperature sensing element can automatically break and realize opening when the external temperature reaches the breaking temperature, and when the fire extinguishing action needs to be manually opened, the electric heating tube can be started, the external temperature is manually changed to reach the breaking temperature of the temperature sensing element, so that the fire extinguishing action is manually opened, a double opening mode can be realized by matching the temperature sensing element and the electric heating tube, the opening success rate of the fire extinguishing equipment is improved when a safety accident happens, the normal spraying of the fire extinguishing agent is not influenced by the arrangement of the electric heating tube, and the normal coverage area of the fire extinguishing agent is ensured.
Drawings
FIG. 1 is a schematic illustration of an aerial fire suppression assembly provided in an exemplary embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic structural view of a plug body provided in an embodiment of the present invention;
fig. 4 is a schematic structural view of a support assembly provided in an embodiment of the present invention.
In the figure:
100. a valve body; 110. an ejection port; 120. a baffle ring; 200. a splash pan; 210. an annular seat; 220. an annular plate; 300. erecting a rod; 400. a temperature sensing element; 500. a plug body; 510. a head portion; 520. a base; 530. a position clamping hole; 540. a metal cover; 550. a soft gel; 551. a pipe body; 552. flanging; 560. a lower recess; 600. a support assembly; 610. a baffle plate; 620. a cylinder; 630. a first slot; 640. a second slot; 650. a supporting seat; 660. an electric heating tube; 670. a fixed block; 671. a through hole; 700. a high pressure relief device; 800. and a pressure gauge.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 and 2, in an embodiment of the present invention, an aviation fire extinguishing assembly is disclosed, including a valve body 100 and a splash pan 200 below the valve body 100, the splash pan 200 is fixedly connected to the bottom of the valve body 100 through a plurality of vertical rods 300, a temperature sensing element 400 is disposed between the splash pan 200 and the valve body 100, a spout 110 communicated with a fire extinguisher tank is disposed at the center of the bottom of the valve body 100, a plug 500 is disposed at the bottom of the spout 110, as shown in fig. 3, the plug 500 includes a head 510 inserted into the spout 110 and a base 520 located outside the spout 110, the diameter of the base 520 is larger than that of the spout 110, a retaining hole 530 is disposed at the bottom surface of the base 520, and the retaining hole 530 extends into the head 510; the splash plate 200 comprises an annular seat 210 and an annular plate 220 fixedly arranged on the side wall of the bottom of the annular seat 210, a support assembly 600 is inserted into the annular seat 210, as shown in fig. 4, the support assembly 600 comprises a baffle 610, a column 620 fixedly arranged on the top surface of the baffle 610, and a fixing block 670 fixedly arranged on the bottom surface of the baffle 610, the column 620 is inserted into the annular seat 210 and is in threaded connection with the annular seat 210, the diameter of the baffle 610 is larger than the inner diameter of the annular seat 210, the top surface of the baffle 610 abuts against the bottom surface of the annular plate 220, the top surface of the column 620 is provided with a first slot 630 downwards, the bottom of the first slot 630 is provided with a second slot 640 downwards, the diameter of the second slot 640 is smaller than the diameter of the first slot 630, an annular support seat 650 is arranged in the first slot 630, the outer wall of the support seat 650 is adhered and fixed to the inner wall of the first slot 630, the inner diameter of the supporting seat 650 is larger than the diameter of the second slot hole 640, the temperature sensing element 400 is disposed between the supporting assembly 600 and the plug body 500, one end of the temperature sensing element 400 abuts against the retaining hole 530, the other end abuts against the supporting seat 650, an electric heating tube 660 is disposed in the second slot hole 640, and the top of the electric heating tube 660 abuts against the bottom of the temperature sensing element 400; the head 510 and the base 520 are made of teflon, and the support 650 is made of rubber.
The aviation fire extinguishing assembly is novel in structure and good in sealing performance, the support assembly 600 for fixedly supporting the temperature sensing element 400 is in threaded connection with the splash plate 200, the assembly and disassembly are convenient, and the temperature sensing element 400 can be conveniently installed or replaced; the temperature sensing element 400 can be automatically broken and opened when the external temperature reaches the breaking temperature, and when the fire extinguishing action needs to be manually started, the electric heating tube 660 can be started, the external temperature is manually changed to reach the breaking temperature of the temperature sensing element 400, so that the fire extinguishing action can be manually started, a double opening mode can be realized by matching the temperature sensing element and the electric heating tube 660, the opening success rate of fire extinguishing equipment is improved when a safety accident happens, the normal spraying of a fire extinguishing agent is not influenced by the arrangement of the electric heating tube 660, and the normal coverage area of the fire extinguishing agent is ensured.
Further, as shown in fig. 3, a metal cover 540 is disposed at the bottom of the plug body 500, the metal cover 540 is disposed closely to the bottom wall of the base 520 and the inner wall of the position-locking hole 530, and the metal cover 540 is fixedly bonded to the plug body 500; the design of the metal cover 540 can enhance the overall structural strength of the plug body 500, facilitate the connection between the temperature sensing element 400 and the plug body 500, and avoid the bottom of the plug body 500 from being excessively deformed under the action of the temperature sensing element 400.
Further, as shown in fig. 2, a baffle ring 120 is fixedly arranged on the inner wall of the bottom of the ejection port 110, a tubular soft rubber body 550 is fixedly arranged on the top wall of the head 510, the soft rubber body 550 comprises a tube body 551 and a flange 552 fixedly arranged on the top of the tube body 551, the outer wall of the tube body 551 is abutted against the inner wall of the baffle ring 120, and the top of the flange 552 is bent towards the direction away from the axis of the tube body 551; the design of the baffle ring 120 can limit the insertion distance of the cock body 500, so as to prevent the cock body 500 from being excessively inserted into the spray port 110, thereby facilitating the subsequent fire extinguishing agent spraying action; the flange 552 is tightly attached to the upper wall surface of the baffle ring 120 under the action of internal pressure, so that the sealing performance of the whole structure can be further enhanced; during the spraying of the fire extinguishing agent, the flange 552 deforms under the gravity of the cock body 500 and the action of the spray impact and separates from the retainer ring 120, so that the normal fire extinguishing agent spraying action is not affected.
Further, the top surface of the head 510 is provided with a downward concave part 560 in the shape of a spherical cap, and the downward concave part 560 is located in the soft colloid 550; when the fire extinguishing agent is sprayed at a high speed, the concave portion 560 is designed as a stressed portion, and the central portion is stressed, so that the soft colloid 550 can be conveniently separated from the baffle ring 120 under the spraying impact, and the plug body 500 is ensured to be separated from the spraying opening 110.
Further, the electric heating tube 660 is a micro single-head electric heating tube, which is commercially available and directly used, and the heating temperature thereof is higher than the damage temperature of the temperature sensing element 400.
Further, as shown in fig. 4, a through hole 671 is formed in the fixing block 670, the through hole 671 is communicated with the second slot 640, and the fixing block 670 is hexagonal prism-shaped; the through hole 671 is designed to facilitate the installation of the conducting wire of the electrothermal tube 660; the fixing block 670 is hexagonal prism-shaped, so that the support assembly 300 can be conveniently and rotatably fixed during installation, the size of the fixing block can be set according to the size of a national standard nut, and the support assembly 300 can be installed and disassembled by using an existing tool.
Further, the number of the vertical rods 300 is 3 to 4, and a plurality of vertical rods 300 are distributed in a circumferential array around the axis of the splash plate 200; the design of the upright rods 300 can strengthen the connection between the splash pan 200 and the valve body 100, and the number of the upright rods 300 is controlled between 3 and 4, so that the blocking of the upright rods 300 to the spraying of the fire extinguishing agent can be reduced, and the spraying coverage area of the fire extinguishing agent is ensured.
Further, a channel through which a fire extinguishing agent passes is arranged in the valve body 100, the channel is communicated with two branches, one branch is provided with a high-pressure relief device 700, and the other branch is provided with a pressure gauge 800; the temperature sensing element 400 is a temperature sensing glass ball; the high-pressure relief device 700, the pressure gauge 900 and the temperature sensing glass ball are common parts of the fire extinguisher valve body, and the high-pressure relief device, the pressure gauge 900 and the temperature sensing glass ball are matched to form a complete fire extinguisher valve body, wherein the temperature sensing glass ball has various specifications of 57 ℃, 68 ℃, 79 ℃, 93 ℃ and the like, and can be purchased in the market.
The working principle of the invention is as follows:
when assembling the temperature sensing element 400, the head 510 of the plug 500 is inserted into the spout 110, and the base 520 is pressed against the top wall of the splash plate 200; then screwing the support assembly 600 with the annular seat 210 and partially inserting it into the annular seat 210; then, the bottom of the temperature sensing element 400 is placed in the supporting seat 650, and then the fixing block 670 is rotated, the supporting assembly 600 is lifted, so that the top of the temperature sensing element 400 is abutted against and fixed with the plug body 500; when the head 510 is plugged into the spout 110, the flange 552 is required to be extruded and deformed and to pass through the baffle ring 120, and the flange 552 will cling to the upper wall surface of the baffle ring 120 under the action of internal pressure in the actual use process;
in the practical use process of the present invention, the temperature sensing element 400 is affected by the temperature of the external environment, if a fire occurs outside and the temperature reaches the rupture temperature of the temperature sensing element 400, the temperature sensing element 400 ruptures, the plug body 500 loses support and is separated from the ejection opening 110 under the high-pressure ejection of the fire extinguishing agent inside the fire extinguishing bottle, and the fire extinguishing agent is ejected and diffused through the water splash disc 200, thereby extinguishing the fire; if a fire occurs outside and a fire extinguishing action needs to be timely started manually, the electric heating tube 660 is started to generate heat, so that when the temperature quickly reaches the rupture temperature of the temperature sensing element 400, the temperature sensing element 400 ruptures, the plug body 500 loses support and is separated from the ejection port 110 under the high-pressure ejection of the fire extinguishing agent in the fire extinguishing bottle, and the fire extinguishing agent is ejected and diffused through the water splashing disc 200, so that the fire extinguishing is realized.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (9)
1. An aviation fire extinguishing assembly, which comprises a valve body (100) and a splash pan (200) below the valve body (100), wherein the splash pan (200) is fixedly connected with the bottom of the valve body (100) through a plurality of vertical rods (300), and a temperature sensing element (400) is arranged between the splash pan (200) and the valve body (100), and is characterized in that:
the center of the bottom of the valve body (100) is provided with a spray port (110) communicated with a fire extinguisher tank, the bottom of the spray port (110) is provided with a plug body (500), the plug body (500) comprises a head (510) inserted into the spray port (110) and a base (520) positioned outside the spray port (110), the diameter of the base (520) is larger than that of the spray port (110), the bottom surface of the base (520) is provided with a clamping hole (530), and the clamping hole (530) extends into the head (510); the splash plate (200) comprises an annular seat (210) and an annular plate (220) fixedly arranged on the side wall of the bottom of the annular seat (210), a supporting component (600) is inserted in the annular seat (210), the supporting component (600) comprises a baffle plate (610), a column (620) fixedly arranged on the top surface of the baffle plate (610) and a fixing block (670) fixedly arranged on the bottom surface of the baffle plate (610), the column (620) is inserted in the annular seat (210) and is in threaded connection with the annular seat (210), the diameter of the baffle plate (610) is larger than the inner diameter of the annular seat (210), the top surface of the baffle plate (610) is abutted against the bottom surface of the annular plate (220), a first slotted hole (630) is formed in the downward direction of the top surface of the column (620), a second slotted hole (640) is formed in the downward direction of the bottom of the first slotted hole (630), and the diameter of the second slotted hole (640) is smaller than that of the first slotted hole (630), an annular supporting seat (650) is arranged in the first slotted hole (630), the outer wall of the supporting seat (650) is fixedly adhered to the inner wall of the first slotted hole (630), the inner diameter of the supporting seat (650) is larger than the diameter of the second slotted hole (640), the temperature sensing element (400) is arranged between the supporting component (600) and the plug body (500), one end of the temperature sensing element (400) abuts against the clamping hole (530), the other end of the temperature sensing element abuts against the supporting seat (650), an electric heating tube (660) is arranged in the second slotted hole (640), and the top of the electric heating tube (660) abuts against the bottom of the temperature sensing element (400); the head (510) and the base (520) are both made of polytetrafluoroethylene, and the support base (650) is made of rubber.
2. An airborne fire suppression assembly according to claim 1, further comprising:
the bottom of the plug body (500) is provided with a metal cover (540), the metal cover (540) is tightly attached to the bottom wall of the base (520) and the inner wall of the clamping hole (530), and the metal cover (540) is fixedly bonded with the plug body (500).
3. An airborne fire suppression assembly according to claim 1, further comprising:
the inner wall of the bottom of the ejection port (110) is fixedly provided with a baffle ring (120), the top wall of the head (510) is fixedly provided with a tubular soft colloid (550), the soft colloid (550) comprises a pipe body (551) and a flange (552) fixedly arranged at the top of the pipe body (551), the outer wall of the pipe body (551) is abutted against the inner wall of the baffle ring (120), and the top of the flange (552) is bent towards the direction far away from the axis of the pipe body (551).
4. An airborne fire suppression assembly according to claim 3, wherein:
the top surface of the head part (510) is downwards provided with a spherical crown-shaped lower concave part (560), and the lower concave part (560) is positioned in the soft colloid (550).
5. An airborne fire suppression assembly according to claim 1, further comprising:
the electric heating pipe (660) is a micro single-head electric heating pipe.
6. An airborne fire suppression assembly according to claim 1, further comprising:
be equipped with on fixed block (670) and lead to line hole (671), lead to line hole (671) with second slotted hole (640) intercommunication, just fixed block (670) is hexagonal prism shape.
7. An airborne fire suppression assembly according to claim 1, further comprising:
the temperature sensing element (400) is a temperature sensing glass ball.
8. An airborne fire suppression assembly according to claim 1, further comprising:
the number of the upright rods (300) is 3-4, and the upright rods (300) are distributed in a circumferential array around the axis of the splash plate (200).
9. An airborne fire suppression assembly according to claim 1, wherein:
the fire extinguishing agent valve is characterized in that a channel through which a fire extinguishing agent passes is arranged in the valve body (100), the channel is communicated with two branches, one branch is provided with a high-pressure relief device (700), and the other branch is provided with a pressure gauge (800).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811372298.3A CN109364396B (en) | 2018-11-17 | 2018-11-17 | Aviation subassembly of putting out a fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811372298.3A CN109364396B (en) | 2018-11-17 | 2018-11-17 | Aviation subassembly of putting out a fire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109364396A CN109364396A (en) | 2019-02-22 |
| CN109364396B true CN109364396B (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811372298.3A Active CN109364396B (en) | 2018-11-17 | 2018-11-17 | Aviation subassembly of putting out a fire |
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| CN (1) | CN109364396B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112206454B (en) * | 2020-09-29 | 2024-04-19 | 菲莱技术(广州)有限公司 | Fire extinguisher starting device and fire extinguisher |
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| US5494113A (en) * | 1994-02-01 | 1996-02-27 | Central Sprinkler Corporation | Sprinklers with shape-memory alloy actuators |
| CN101596343B (en) * | 2009-07-10 | 2012-06-20 | 青岛中阳消防科技有限公司 | Suspended type ultrafine dry powder extinguishing installation |
| CN202355755U (en) * | 2011-12-01 | 2012-08-01 | 浙江福兴消防设备有限公司 | Multifunctional automatic starter for suspension type fire-fighting extinguisher apparatus |
| RU2616860C1 (en) * | 2016-03-14 | 2017-04-18 | Олег Савельевич Кочетов | Kochetov's sprinkler |
| CN206414650U (en) * | 2016-11-28 | 2017-08-18 | 北京天康达科技发展有限公司 | A kind of hanged extinguishing equipment |
| CN207913048U (en) * | 2017-12-13 | 2018-09-28 | 镇江雅奕智能科技有限公司 | A kind of aviation main cabin fast fire-extinguishing apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205014902U (en) * | 2015-09-07 | 2016-02-03 | 中国电建集团成都勘测设计研究院有限公司 | Drill downthehole deep water blaster |
| CN207782701U (en) * | 2017-12-30 | 2018-08-28 | 广东萤火虫智慧能源技术有限公司 | A kind of solar panels connection structure and the solar-energy awning comprising it |
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| CN109364396A (en) | 2019-02-22 |
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Denomination of invention: An aviation fire extinguishing component Effective date of registration: 20220622 Granted publication date: 20201229 Pledgee: Bank of China Limited Jingdezhen Branch Pledgor: Jingdezhen Xinghang Technology Development Co.,Ltd. Registration number: Y2022980008504 |
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