CN110772731A - Non-pressure storage type fire extinguishing device - Google Patents
Non-pressure storage type fire extinguishing device Download PDFInfo
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- CN110772731A CN110772731A CN201910969980.9A CN201910969980A CN110772731A CN 110772731 A CN110772731 A CN 110772731A CN 201910969980 A CN201910969980 A CN 201910969980A CN 110772731 A CN110772731 A CN 110772731A
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- fire extinguishing
- trigger module
- fire
- temperature
- gas generator
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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
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
Abstract
The invention relates to a non-pressure storage type fire extinguishing device, and belongs to the technical field of fire fighting. The utility model provides a non-pressure storage formula extinguishing device, includes gas generator, front end housing, section of thick bamboo, piston, fire extinguishing agent, rear end cap, pipeline joint and pipeline subassembly, and gas generator includes mounting base, power supply and trigger module system, and the trigger module system includes mechanical trigger module, electric trigger module and temperature trigger module, still include intelligent fire control discernment control module be used for to electric trigger module transmission current signal. The fire extinguishing device adopts three modes of a mechanical trigger mode, a temperature trigger mode and an electric trigger mode, improves the reliability of the fire extinguishing device, and has the characteristics of short response time, high fire extinguishing efficiency, small structural size, wide working temperature range, safety, reliability and long maintenance-free period.
Description
Technical Field
The invention relates to a non-pressure storage type fire extinguishing device, and belongs to the technical field of fire fighting.
Background
The protection device is applied to the fire-fighting key protection fields of computer rooms, server cabinets, power lithium battery boxes, electrical cabinets, lithium battery energy storage stations and the like. The fire extinguishing system has the advantages that the advanced intelligent fire extinguishing system can be adopted in a normal working state to automatically recognize a flame signal and start the fire extinguishing equipment to suppress fire, the fire extinguishing equipment can be manually triggered to suppress fire when a power supply system fails, meanwhile, the fire extinguishing equipment has an automatic starting function when personnel cannot reach a manual triggering site, and therefore absolute and effective fire suppression can be guaranteed to be implemented on a protection area.
The current prior art does not satisfy the above three specific requirements at the same time.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a non-pressure storage type fire extinguishing device which is triggered in three modes and is suitable for occasions such as a server cabinet, a power lithium battery box and the like requiring insulation of fire extinguishing media, no residue and limited installation space.
In order to achieve the above purpose, the invention provides the following technical scheme:
a non-pressure storage type fire extinguishing device comprises a gas generator, a front end cover, a cylinder section, a piston, a fire extinguishing agent, a rear end cover, a pipeline joint and a pipeline assembly, and also comprises an intelligent fire-fighting identification control module, wherein the gas generator is arranged at the front end of the fire extinguishing device and connected with one end of the front end cover, the other end of the front end cover is connected with one end of the cylinder section, the other end of the cylinder section is connected with one end of the rear end cover, the piston and the fire extinguishing agent are arranged in the cylinder section, the other end of the rear end cover is connected with one end of the pipeline joint, the other end of the pipeline joint is connected with the pipeline assembly, and the pipeline assembly is arranged at the rear end of the fire extinguishing;
the gas generator includes: the mounting base is connected with the front end cover, the power source is arranged in the mounting base, the trigger module system is arranged on the mounting base and is used for triggering the power source, the trigger module system comprises a mechanical trigger module, an electric trigger module and a temperature trigger module, the mechanical trigger module is used for manually triggering the power source, the temperature trigger module is used for temperature sensing identification and automatic triggering of the power source, and the electric trigger module is used for identifying an electric signal and automatic triggering of the power source;
the intelligent fire-fighting identification control module is used for transmitting a current signal to the electric trigger module.
In an alternative embodiment, the pipeline assembly of the non-pressure storage type fire extinguishing apparatus specifically comprises a pipe network formed by connecting a plurality of clamping sleeve loose joints, pipelines and spray heads, and the spray heads can be used for being arranged in an area needing fire protection.
In an optional embodiment, an end face of the piston in the non-pressure storage type fire extinguishing apparatus is provided with a groove for pressure relief, and after the solid gas generating agent is combusted to generate high-pressure gas to drive the fire extinguishing agent to extinguish a fire, the high-pressure gas is enabled to be relieved through the groove.
In an alternative embodiment, the power source in the gas generator is a solid gas generating agent.
In an optional embodiment, the mechanical trigger module in the gas generator specifically includes a pulling pin, a supporting housing, a spring, a firing pin, a fire cap housing, and an ignition cap, where the supporting housing is connected to the fire cap housing, the pulling pin is inserted into one end of the supporting housing and connected to one end of the spring disposed in the supporting housing, the other end of the spring is connected to the firing pin, and the ignition cap is disposed at the other end of the fire cap housing.
In an optional embodiment, the temperature trigger module in the gas generator specifically includes a solid temperature-sensitive chemical and a metal shell, and the temperature-sensitive chemical is disposed inside the metal shell.
Specifically, the temperature-sensitive chemical may be a solid temperature-sensitive chemical, and the solid temperature-sensitive chemical is ignited when the temperature of the metal shell reaches not less than 120 ℃.
In an optional embodiment, the electrical triggering module in the gas generator specifically includes an electrical squib and an electrical squib mounting seat connected thereto.
The invention also provides a working method of the non-pressure storage type fire extinguishing device, and the following technical scheme is provided:
a working method of a non-pressure-storage type fire extinguishing device comprises the steps that any one of three modes including temperature triggering, electric signal triggering and mechanical triggering is adopted to start a gas generator, the started gas generator generates high-pressure gas, the high-pressure gas pushes a piston to extrude a fire extinguishing agent, the fire extinguishing agent is sprayed out from a spray head through a pipeline joint and a pipeline assembly, and the high-pressure gas pushes the piston to automatically release pressure from the fire extinguishing device;
the triggering step of the mechanical trigger mode comprises: the pulling pin is pulled out manually, the compressed spring enables the firing pin to move in an accelerated way, the firing pin moving at a high speed impacts the ignition cap, and the ignition cap generates flame to ignite the solid gas generating agent;
the triggering step of the temperature triggering mode comprises the following steps: when the environment temperature enables the temperature of a metal shell in the temperature trigger module to reach more than or equal to 120 ℃, the solid temperature sensing medicament in the metal shell is ignited by high temperature, and then the solid temperature sensing medicament ignited ignites the solid gas generating agent;
the triggering step of the electrical trigger mode includes: when the intelligent fire fighting identification control module inputs a current signal to the electric trigger module, the current signal excites an electric explosion tube in the electric trigger module, and flame generated by the electric explosion tube ignites the solid gas generating agent.
The invention also provides a starting method of the non-pressure storage type fire extinguishing device, and the following technical scheme is provided:
when the intelligent fire-fighting identification control module identifies a flame signal, a current signal is output to a gas generator in the fire extinguishing device, and the gas generator is started by the electric trigger module; when the intelligent fire-fighting identification control module breaks down, a manager manually starts the mechanical trigger module after identifying a fire on site; when the intelligent fire-fighting identification control module breaks down and managers cannot reach the fire area, the gas generator is started by the temperature trigger module.
Compared with the prior art, the invention has the following beneficial effects:
(1) the non-pressure-storage fire extinguishing device provided by the embodiment of the invention adopts three modes for triggering, wherein the mechanical triggering module is used for manually triggering the power source, the temperature triggering module is used for automatically triggering the power source after temperature sensing identification, and the electric triggering module is used for automatically triggering the power source after electric signal identification, so that the risk of failure of the gas generator when only a single triggering mode is adopted can be effectively avoided;
(2) according to the non-pressure storage type fire extinguishing device provided by the embodiment of the invention, the temperature trigger module adopts the solid temperature sensing agent, the temperature sensing temperature is moderate, the sensitivity of the gas generator is ensured, and the interference of the ambient temperature is avoided;
(3) according to the non-pressure storage type fire extinguishing device provided by the embodiment of the invention, the electric trigger module in the gas generator adopts the electric explosion tube, so that the trigger current is large, and the influence of electromagnetic interference and clutter current in a circuit is avoided;
(4) according to the non-pressure storage type fire extinguishing device provided by the embodiment of the invention, the mechanical trigger module in the gas generator adopts smaller excitation energy, so that the designed mechanical structure is compact, and the effect of four or two jacks is achieved;
(5) the non-pressure storage type fire extinguishing device provided by the embodiment of the invention improves the use efficiency of the fire extinguishing device, enriches the application field of special fire fighting and solves the key technical problem under special requirements;
(6) the non-pressure storage type fire extinguishing device provided by the embodiment of the invention adopts the solid gas generating agent, so that the burning speed can be effectively adjusted, the response time of the fire extinguishing device is shorter, and the requirement of quick response is met;
(7) the non-pressure storage type fire extinguishing device provided by the embodiment of the invention has the advantages that the gas generator has stable performance and long service life, and the maintenance-free time is allowed to be more than or equal to 10 years.
In conclusion, the fire extinguishing device has the characteristics of compact structure, short response time, low fire extinguishing interference, safety, reliability and long maintenance-free period.
Drawings
Fig. 1 is a schematic sectional view of a partial structure of a non-pressure storage type fire extinguishing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a piping assembly of a non-pressure storage type fire extinguishing apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a gas generator in a non-pressure storage fire extinguishing apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a mechanical trigger module in a gas generator of a non-pressure storage fire extinguishing apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a temperature trigger module in a gas generator in a non-pressure storage type fire extinguishing apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an electrical triggering module in a gas generator of a non-pressure storage fire extinguishing apparatus according to an embodiment of the present invention;
FIG. 7 is a block diagram of an electrical circuit of an electrical triggering module in a gas generator of a non-pressure-storing fire extinguishing apparatus according to an embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating a groove structure on the end face of a piston in a gas generator in a non-pressure storage type fire extinguishing apparatus according to an embodiment of the present invention;
the labels in the figure are as follows: 1-a gas generator; 2-front end cover; 3-barrel section; 4-a piston; 5-a fire extinguishing agent; 6-rear end cap; 7-a pipe joint; 8-a tubing assembly; 9-clamping sleeve loose joint; 10-a pipeline; 11-a spray head; 12-a mechanical trigger module; 13-an electrical trigger module; 14-a mounting base; 15-solid gas generant; 16-a temperature trigger module; 21-pulling pins; 22-a support housing; 23-a spring; 24-a striker; 25-fire shell; 26-a primer cap; 31-a temperature sensitive agent; 32-a metal housing; 41-electric blasting tube; 42-an electric detonator mounting seat; 51-a control module; 81-cross-shaped groove.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments in order to make the present invention better understood by those skilled in the art.
The design idea of the non-pressure storage type fire extinguishing device is that a solid gas generating agent is used as a power source, the solid gas generating agent is ignited through three modes of temperature, electric signals and mechanical triggering, the solid gas generating agent generates gas through combustion, and the gas drives the fire extinguishing agent to extinguish fire.
Referring to fig. 1, the non-pressure storage type fire extinguishing apparatus of the present invention includes a gas generator 1, a front end cover 2, a cylinder section 3, a piston 4, a fire extinguishing agent 5, a rear end cover 6, a pipeline joint 7, a pipeline assembly 8, and an intelligent fire identification control module 51, wherein the gas generator 1 is disposed at the front end of the fire extinguishing apparatus and connected to one end of the front end cover 2, the other end of the front end cover 2 is connected to one end of the cylinder section 3, the other end of the cylinder section 3 is connected to one end of the rear end cover 6, the piston 4 and the fire extinguishing agent 5 are disposed inside the cylinder section 3, the other end of the rear end cover 6 is connected to one end of the pipeline joint 7, the other end of the pipeline joint 7 is connected to the pipeline assembly 8, and the pipeline assembly 8 is disposed at the rear end of the fire extinguishing apparatus.
Referring to fig. 3, the gas generator 1 therein comprises: mounting base 14, power supply and trigger module system, mounting base 14 with front end housing 2 is connected, the power supply sets up in mounting base 14, the trigger module system sets up on mounting base 14, the trigger module system is used for initiating the power supply, the trigger module system includes mechanical trigger module 12, electric trigger module 13 and temperature trigger module 16, wherein, mechanical trigger module is used for the manual work to initiate the power supply, and temperature trigger module is used for the automatic power supply that initiates of temperature sensing discernment, electric trigger module is used for discerning the automatic power supply that initiates of signal of telecommunication.
Referring to fig. 7, the intelligent fire fighting identification control module 51 is used for transmitting a current signal to the electric trigger module 13.
Referring to fig. 2, a pipeline assembly 8 in a non-pressure storage type fire extinguishing apparatus specifically comprises a pipe network formed by connecting a plurality of sets of clamping sleeve loose joints 9, pipelines 10 and spray heads 11, wherein the spray heads 11 can be arranged in an area needing fire protection, and the form of the pipe network can be designed according to a protection area. The cutting sleeve type loose joint usually adopts a stainless steel joint, and can also adopt the forms of cutting sleeve directness, cutting sleeve elbow, cutting sleeve tee joint and the like in structure, wherein the joints are usually connected through threads, and the threads press the conical body into the conical hole on the joint body to play a sealing effect.
The assembling method of the ferrule type pipe joint comprises the following steps: 1. cutting the pipe by a pipe cutter and the like according to the required length, removing burrs, metal cuttings and dirt on the inner circle and the outer circle of the pipe end, and ensuring that the pipe has certain roundness; 2. sleeving the nut and the cutting sleeve into the pipe in sequence, wherein the distance between the cutting edge at the front end of the cutting sleeve and the pipe is at least 3mm, and then inserting the pipe into the inner taper hole of the connector body until the pipe is pushed; 3. slowly tightening the nut, simultaneously rotating the pipe until the pipe is not moved, and then tightening the nut 2/3-4/3 circles; 4. the cutting sleeve is disassembled to check whether the cutting sleeve is cut into the pipe or not, the position is correct or not, the cutting sleeve is not allowed to move axially and can rotate slightly; 5. and screwing the nut again after the inspection is qualified.
The end face of a piston in the non-pressure storage type fire extinguishing device is provided with a groove for pressure relief, and after the solid gas generating agent is combusted to generate high-pressure gas to drive the fire extinguishing agent to extinguish fire, the high-pressure gas is enabled to be relieved through the groove. In particular, the grooves provided on the end face of the piston may have a cross shape, and a schematic view of the groove structure is shown in fig. 8.
Referring to fig. 4, the mechanical trigger module 12 in the gas generator 1 specifically includes a pulling pin 21, a support housing 22, a spring 23, a striker 24, a fire cap housing 25 and an ignition cap 26, wherein the support housing 22 is connected to the fire cap housing 25, the pulling pin 21 is inserted into one end of the support housing 22 and is connected to one end of the spring 23 disposed in the support housing 22, the other end of the spring 23 is connected to the striker 24, and the ignition cap 26 is disposed at the other end of the fire cap housing 25.
Referring to fig. 5, the temperature trigger module 16 in the gas generator specifically includes a solid temperature-sensitive chemical 31 and a metal shell 32, and the temperature-sensitive chemical 31 is disposed inside the metal shell 32. Specifically, the temperature sensitive chemical 31 may be a solid temperature sensitive chemical, and when the temperature reaches 120 ℃ to 200 ℃, the solid temperature sensitive chemical may be ignited.
Referring to fig. 6, the electrical trigger module 13 in the gas generator specifically includes an electrical squib 41 and an electrical squib mounting base 42 connected thereto.
The following is an embodiment of the present invention, which specifically describes the response and operation of the non-pressure-storage fire-extinguishing device of the present invention:
when the intelligent fire-fighting system recognizes a flame signal, a control module in the system outputs a current signal to a gas generator 1 in the fire-fighting device, the current signal is transmitted to an electric trigger module 13 in the gas generator 1 through a circuit, the current signal excites the electric trigger module 13, the excited electric trigger module 13 ignites a solid gas generating agent 15, the burning solid gas generating agent 15 generates a large amount of high-pressure gas, and the high-pressure gas drives a fire extinguishing agent 5 in the fire-fighting device to be sprayed out from a spray head 11 through a pipeline assembly 8, so that a fire area is restrained.
When the intelligent fire-fighting system fails and fire suppression cannot be automatically implemented, a manager identifies a fire, the manager manually excites the mechanical trigger module 12 in the gas generator 1, the excited mechanical trigger module 12 ignites the solid gas generating agent 15, the burnt solid gas generating agent 15 generates a large amount of high-pressure gas, and the high-pressure gas drives the fire extinguishing agent 5 in the fire extinguishing device to be sprayed out from the spray head 11 through the pipeline assembly 8, so that suppression is implemented on a fire area.
When an intelligent fire-fighting system fails, a manager cannot reach a fire area, and the temperature of the metal shell reaches more than or equal to 120 ℃ due to the environmental temperature in a key protection area, the temperature trigger module 16 in the gas generator 1 is excited, the solid gas generating agent 15 is ignited by the excited temperature trigger module 16, the burning solid gas generating agent 15 generates a large amount of high-pressure gas, and the high-pressure gas drives the fire extinguishing agent 5 in the fire extinguishing device to be sprayed out of the spray nozzle 11 through the pipeline assembly 8, so that the fire area is restrained.
It should be understood that the above description of the embodiments is illustrative only for the sake of clarity and is not intended to limit the embodiments. Any changes or substitutions that may be easily made by those skilled in the art within the technical scope of the present disclosure are intended to be included within the scope of the present disclosure.
The invention has not been described in detail in part of the common general knowledge of those skilled in the art.
Claims (10)
1. A non-pressure storage type fire extinguishing device is characterized by comprising a gas generator, a front end cover, a cylinder section, a piston, a fire extinguishing agent, a rear end cover, a pipeline joint and a pipeline assembly, and also comprising an intelligent fire-fighting identification control module, wherein the gas generator is arranged at the front end of the fire extinguishing device and connected with one end of the front end cover, the other end of the front end cover is connected with one end of the cylinder section, the other end of the cylinder section is connected with one end of the rear end cover, the piston and the fire extinguishing agent are arranged in the cylinder section, the other end of the rear end cover is connected with one end of the pipeline joint, the other end of the pipeline joint is connected with the pipeline assembly, and the pipeline assembly is arranged at the rear end of the fire extinguishing device;
the gas generator includes: the mounting base is connected with the front end cover, the power source is arranged in the mounting base, the trigger module system is arranged on the mounting base and is used for triggering the power source, the trigger module system comprises a mechanical trigger module, an electric trigger module and a temperature trigger module, the mechanical trigger module is used for manually triggering the power source, the temperature trigger module is used for temperature sensing identification and automatic triggering of the power source, and the electric trigger module is used for identifying an electric signal and automatic triggering of the power source;
the intelligent fire-fighting identification control module is used for transmitting a current signal to the electric trigger module.
2. A non-pressure storing fire extinguishing apparatus according to claim 1, wherein the piping assembly comprises a network of pipes formed by a plurality of sets of snap joints, piping and sprinkler heads.
3. A non-pressure storing fire extinguishing apparatus according to claim 1, wherein the end face of the piston is provided with a groove for pressure relief.
4. The non-stored pressure fire suppression apparatus of claim 1, wherein the power source in the gas generator is a solid gas generant.
5. The non-stored pressure fire suppression apparatus of claim 1, wherein the mechanical trigger module of the gas generator comprises a pulling pin, a support housing, a spring, a firing pin, a fire cap, and a firing cap, wherein the support housing is connected to the fire housing, the pulling pin is inserted through one end of the support housing and connected to one end of the spring disposed in the support housing, the other end of the spring is connected to the firing pin, and the firing cap is disposed at the other end of the fire housing.
6. The non-pressure storage fire extinguishing apparatus according to claim 1, wherein the temperature trigger module in the gas generator comprises a metal housing and a temperature sensitive chemical, the temperature sensitive chemical being disposed inside the metal housing.
7. The non-pressure storage type fire extinguishing apparatus according to claim 6, wherein the temperature sensitive chemical is a solid temperature sensitive chemical, and the solid temperature sensitive chemical ignites when the temperature of the metal casing reaches 120 ℃ or higher.
8. A non-stored pressure fire extinguishing apparatus according to claim 1, wherein the electrical triggering module in the gas generator comprises an electrical squib and an electrical squib mount connected thereto.
9. The working method of the non-pressure storage type fire extinguishing apparatus according to claim 1, wherein the gas generator is started by any one of three modes of temperature triggering, electric signal triggering and mechanical triggering, the started gas generator generates high-pressure gas, the high-pressure gas pushes the piston to extrude the fire extinguishing agent, the fire extinguishing agent is sprayed out from the spray head through the pipeline joint and the pipeline assembly, and the high-pressure gas pushes the piston to automatically release pressure from the fire extinguishing apparatus;
the triggering step of the mechanical trigger mode comprises: the pulling pin is pulled out manually, the compressed spring enables the firing pin to move in an accelerated way, the firing pin moving at a high speed impacts the ignition cap, and the ignition cap generates flame to ignite the solid gas generating agent;
the triggering step of the temperature triggering mode comprises the following steps: when the environment temperature enables the temperature of a metal shell in the temperature trigger module to reach more than or equal to 120 ℃, the solid temperature sensing medicament in the metal shell is ignited by high temperature, and the ignited solid temperature sensing medicament ignites the solid gas generating agent;
the triggering step of the electrical trigger mode includes: when a control module in the intelligent fire-fighting identification system inputs a current signal to the electric trigger module, the current signal excites an electric detonator in the electric trigger module, and flame generated by the electric detonator ignites the solid gas generating agent.
10. The method for starting a non-pressure-storage type fire extinguishing apparatus according to claim 1, wherein when the intelligent fire-fighting identification control module identifies a flame signal, a current signal is output to a gas generator in the fire extinguishing apparatus, and the gas generator starts the electric trigger module; when the intelligent fire-fighting identification control module breaks down, a manager manually starts the mechanical trigger module after identifying a fire on site; when intelligence fire control discernment control module broke down, and when managers can't reach the condition of a fire region, gas generator will start temperature trigger module.
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| CN201910969980.9A CN110772731A (en) | 2019-10-12 | 2019-10-12 | Non-pressure storage type fire extinguishing device |
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| CN201910969980.9A CN110772731A (en) | 2019-10-12 | 2019-10-12 | Non-pressure storage type fire extinguishing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111632327A (en) * | 2020-06-10 | 2020-09-08 | 湖北航天化学技术研究所 | Electroless non-pressure storage type fire extinguishing system |
| CN112587843A (en) * | 2020-12-16 | 2021-04-02 | 安徽中科中涣防务装备技术有限公司 | External fire extinguishing device capable of realizing secondary fire extinguishing |
| CN112915442A (en) * | 2021-04-20 | 2021-06-08 | 四川千页科技股份有限公司 | Non-pressure storage type perfluorohexanone fire extinguishing device |
| CN115253142A (en) * | 2022-07-29 | 2022-11-01 | 湖北航天化学技术研究所 | Starter and system with multiple trigger modes |
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| CN112915442A (en) * | 2021-04-20 | 2021-06-08 | 四川千页科技股份有限公司 | Non-pressure storage type perfluorohexanone fire extinguishing device |
| CN115253142A (en) * | 2022-07-29 | 2022-11-01 | 湖北航天化学技术研究所 | Starter and system with multiple trigger modes |
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