CN216653187U

CN216653187U - Passive thermal protection automatic fire extinguishing system

Info

Publication number: CN216653187U
Application number: CN202123059495.XU
Authority: CN
Inventors: 吕征
Original assignee: Henghai Electric Power Apparatus Development Co ltd Wuhan
Current assignee: Henghai Electric Power Apparatus Development Co ltd Wuhan
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-06-03
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a passive thermal protection automatic fire extinguishing system, which relates to the field of electrical overload protection and fire fighting, and comprises a temperature vector detection execution unit; the temperature vector detection execution unit is made of a non-porous insulating nylon composite temperature sensing material; the carrier bottle is used for carrying the fire extinguishing agent; the valve body is fixedly connected to the upper part of the carrier bottle; the bottom of the valve body is provided with a balance siphon which extends to the bottom of the carrier bottle; the top of the valve body is communicated with the temperature vector detection execution unit through a connecting piece; the electric overload protection that this scheme provided does not need any power with fire extinguishing systems work, simultaneously with abnormal temperature, the release of burning things which may cause a fire disaster detection and reagent fuses as an organic whole, when protected equipment inner member takes place the thermal runaway, the thermal runaway trouble of equipment is eliminated fast to the nontoxic insulating high-efficient cooling agent that can volatilize of temperature vector detection execution unit meeting automatic action fixed point release, and the while system signals gives control system reaction fault's emergence.

Description

Passive thermal protection automatic fire extinguishing system

Technical Field

The utility model relates to the field of fire fighting, in particular to a passive thermal protection automatic fire extinguishing system.

Background

Transportation vehicles, electrical equipment and mechanical equipment bear important operation in industrial production, the working environment of the equipment is special and severe, some key equipment needs to continuously run for a long time, the shutdown maintenance time is short, the ageing of various hydraulic, electrical, cable and other elements in the equipment can be accelerated after the equipment runs for a long time, the wear is aggravated, the contact resistance of the electrical equipment is increased, the internal high-temperature phenomenon of the equipment is caused, and if the high-temperature aggregation is not effectively controlled, the thermal runaway is caused, and a fire disaster is caused;

some equipment are equipped with corresponding monitoring or extinguishing device at present, and these devices work all needs the power and there is wrong report police malfunction phenomenon, and can not be in adverse circumstances long-term operation, and when the thermal runaway or power and circuit broke down, equipment power can automatic cutout cause protection device inefficacy can not control warm effectively and put out a fire, even the device relies on stand-by power supply can start the fire extinguishing agent of its release all to have the corruption and the damage of different degree to the components and parts in the equipment.

SUMMERY OF THE UTILITY MODEL

Aiming at the condition that a fire extinguishing device in the prior art seriously depends on a heat source power supply, the utility model provides a passive thermal protection automatic fire extinguishing system, namely a system which can realize automatic fire extinguishing and alarming by passive thermal protection of equipment.

The specific scheme provided by the utility model is as follows:

the passive thermal protection automatic fire extinguishing system comprises

A temperature vector detection execution unit; the temperature vector detection execution unit is made of an insulated nylon composite temperature-sensitive synthetic material;

the carrier bottle is used for carrying the fire extinguishing agent;

the valve body is fixedly connected to the upper part of the carrier bottle; the bottom of the valve body is provided with a balance siphon which extends to the bottom of the carrier bottle; the top of the valve body is communicated with the temperature vector detection execution unit through a connecting piece.

Further, the temperature vector detection execution units are tubular structures of 4/6mm and 6/8 mm.

Further, a pressure sensor for monitoring the pressure inside the carrier bottle is mounted on the valve body.

Furthermore, the connecting piece includes inner sleeve portion and outer sleeve portion that cup joints the connection, the one end of body is pegged graft in inner sleeve portion, outer sleeve portion through set up at its tip the external screw thread with the valve body is screwed fixedly.

Further, a first sealing ring is arranged between the inner sleeve part and the outer sleeve part; the inner sleeve portion with be provided with two second sealing washer between the body, two the second sealing washer interval sets up and one of them setting is in the bottom of inner sleeve portion.

Furthermore, the other end of the temperature vector detection execution unit is connected with a tail end pressurization monitoring assembly, a pressure gauge is arranged in the tail end pressurization monitoring assembly, and the pressure gauge is used for monitoring the pressure in the temperature vector detection execution unit.

The carrier bottle fixing device further comprises a support and a bearing block, wherein the support is in an annular structure and is used for fixing the carrier bottle on the bearing block; the bearing block is fixedly connected with the side wall of the cabinet body.

Furthermore, an arc-shaped cavity is arranged in the bearing block in a penetrating mode, the cavity is matched with the shape of the carrier bottle, and the carrier bottle is vertically fixed in the cavity through the support.

The beneficial effect that adopts this technical scheme to reach does:

1. the work of the passive thermal protection and fire extinguishing system provided by the scheme does not need any power supply, and simultaneously, abnormal temperature, fire source detection and reagent release are integrated, when the thermal runaway occurs in the protected equipment internal element, the system (specifically, a temperature vector detection execution unit) can automatically act and release a nontoxic corrosion-free insulating volatilizable high-efficiency cooling agent at a fixed point to rapidly eliminate the thermal runaway fault of the equipment, and meanwhile, the system sends a signal to the control system to react the occurrence of the fault.

2. Through the passive thermal protection and the fire extinguishing system that this scheme of adoption designed, need not power and the temperature measurement unit of complicacy can report to the police, shut down, outage, accuse temperature, do not have the malfunction, reagent can lower the temperature or put out a fire in the twinkling of an eye, reagent pollution-free does not have the damage to equipment components and parts.

Drawings

Fig. 1 is a schematic diagram of the passive thermal protection automatic fire extinguishing system in the scheme.

Fig. 2 is a three-dimensional structure view of the passive thermal protection automatic fire extinguishing system of the scheme.

Fig. 3 is a sectional structural view of the connector, showing its double sealing structure.

Wherein: 10 temperature vector detection execution units, 11 tail end pressurization monitoring assemblies, 20 carrier bottles, 21 valve bodies, 30 connecting pieces, 31 inner sleeve parts, 32 outer sleeve parts, 33 first sealing rings, 34 second sealing rings, 41 brackets and 42 bearing blocks.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the utility model.

This embodiment provides a passive thermal protection automatic fire extinguishing system, through adopting this fire extinguishing system, work does not need any power, utilize temperature vector to survey the execution unit with abnormal temperature simultaneously, the fire source is surveyed and is fused as an organic whole with the release of reagent, when the protected equipment inner member takes place the thermal runaway, the system (specifically be temperature vector survey the execution unit) can automatic action fixed point release nontoxic noncorrosive insulating volatilizable high-efficient cooling agent rapid elimination equipment thermal runaway trouble, avoid appearing like traditional because power failure leads to the phenomenon that extinguishing device can't in time effectively open to appear.

Specifically, referring to fig. 1-2, the proposed passive thermal protection automatic fire extinguishing system comprises a temperature vector detection execution unit 10; the temperature vector detection execution unit 10 is made of an insulated nylon composite temperature-sensitive synthetic material; the temperature vector detection execution unit 10 made of the insulated nylon composite type temperature-sensitive synthetic material can rapidly react to heat and radiant energy or a combination of the heat and the radiant energy, and particularly when high temperature is locally generated in protected equipment, the temperature vector detection execution unit 10 can act directionally to form a release jet orifice, so that the reagent in the carrier bottle 20 is promoted to be sprayed from the release jet orifice, and the temperature of a high-temperature position is controlled or the fire is extinguished.

Optionally, the temperature vector detection execution unit is a tubular structure tube body of 4/6mm and 6/8 mm; 4/6mm and 6/8mm refer to tube bodies of two structures, wherein one structure is a tube body with an inner diameter of 4mm and an outer diameter of 6 mm; the other is a pipe body with the inner diameter of 6mm and the outer diameter of 8 mm.

By adopting the insulated nylon composite temperature-sensing synthetic material, the temperature vector detection execution unit 10 has the following characteristics: temperature sensitivity, action directionality, high voltage resistance, wide temperature adaptation range, good chemical resistance and ultraviolet resistance, good physical durability and flexibility, and high-insulation electric performance of resisting 40 KV.

The carrier bottle 20 is mainly used for carrying fire extinguishing agents, and in the scheme, the provided carrier bottle 20 uses GB5099 national standard seamless steel cylinder; the reagent used simultaneously is FK-5-1-12; this reagent has been listed in ISO-14520, NFPA 2001; FK-5-1-12 has excellent temperature-controlled fire extinguishing performance, is safe to human bodies, is a green environment-friendly product with very safe transportation and storage, and solves the problems of ozone layer damage or greenhouse effect aggravation and the like caused by halon and fluoroalkane fire extinguishing agents; the reagent has no corrosiveness, has no obvious chemical reaction on common metal and rubber-plastic sealing materials, does not damage electronic components and circuits, and is compatible with a large-range structural material; the survival life of the reagent in the atmosphere is about 3 to 5 days, the ozone loss value is 0, and the GWP value is 1, thereby fundamentally solving the problem of environmental pollution caused by halon and fluoroalkane fire extinguishing agents; the reagent mainly absorbs heat to achieve temperature control or extinguishment, and the temperature control and extinguishment performance is excellent when the extinguishment concentration is 4% -6%; after the reagent is released, the reagent is naturally volatilized without leaving any trace, and the insulating strength is 60 KV.

A valve body 21 is arranged at the bottle mouth of the carrier bottle 20, and specifically, the valve body 21 is fixedly connected to the upper part of the carrier bottle 20; a balance siphon (not shown) is arranged at the bottom of the valve body 21 and extends to the bottom of the carrier bottle 20; the top of the valve body 21 communicates with the temperature vector detection actuator unit 10 through a connection member 30.

Optionally, a pressure sensor for monitoring the pressure inside the carrier bottle is mounted on the valve body 21.

In the scheme, the connecting piece 30 is used as an important connecting structure to ensure the stability of the connection between the pipe body in the temperature vector detection execution unit 10 and the valve body 21; accordingly, further design is made here for the structure of the connecting member 30.

Specifically, referring to fig. 3, the connecting member 30 includes an inner sleeve portion 31 and an outer sleeve portion 32 which are connected in a sleeving manner, where the inner sleeve portion 31 is used for connecting with the pipe body, and the outer sleeve portion 32 is used for connecting with the valve body 21; that is, one end of the pipe body is inserted into the outer sleeve portion 31, and the outer sleeve portion 32 is screwed and fixed to the valve body 21 by an external thread provided at an end thereof.

A first sealing ring 33 is arranged between the inner sleeve part 31 and the outer sleeve part 32; the stability and the sealing performance of the connection between the inner sleeve part 31 and the outer sleeve part 32 are ensured; in this scheme simultaneously, be provided with two second sealing washer 34 between inner jacket portion 31 and body, two second sealing washers 34 interval set up and one of them setting is in the bottom of inner jacket portion 31.

It can be understood that the connection between the inner sleeve portion 31 and the pipe body is a connection of a double sealing structure; the connecting piece 30 is designed to be a double-sealing structure (two second sealing rings 34), so that the leakage problem caused by surface scratch when a pipe body inserted into the inner sleeve part 31 is inserted can be effectively prevented, and the whole system can be ensured to have no leakage for a long time.

In the scheme, the other end of the temperature vector detection execution unit 10 is connected with a terminal pressurization monitoring assembly 11, a pressure gauge is arranged in the terminal pressurization monitoring assembly 11, and the pressure gauge is used for monitoring the pressure in the temperature vector detection execution unit 10.

So far, it can be generally understood that the specific working principle of the scheme is as follows:

when the temperature vector detection execution unit 10 is arranged near the elements in the protected equipment, and when thermal runaway occurs in a certain area in the protected equipment, the performance of the temperature vector detection execution unit 10 arranged in the area can be changed, and the material of the temperature vector detection execution unit becomes softer and more fragile relative to the material of the temperature vector detection execution unit arranged in the peripheral area; under the condition, the temperature vector detection execution unit 10 can directionally act to form an effective release nozzle to release the air pressure in the whole temperature vector detection execution unit 10, and meanwhile, the valve body 21 on the carrier bottle 20 can be automatically opened to release the fire extinguishing agent under the action of siphon effect to complete temperature control or fire extinguishing; at the same time the pressure sensor on the valve body 21 will send a signal for cutting off the power supply to the equipment to be protected and to reflect the position of the dangerous spot.

In the scheme, in order to ensure that the carrier bottle 20 can be stably installed and fixed with a protected device in a specific use process, a bracket 41 and a bearing block 42 are further designed, wherein the bracket 41 is in an annular structure and is used for fixing the carrier bottle 20 on the bearing block 42; the bearing block 42 is fixedly connected with the side wall of the protected equipment cabinet.

Namely, when the carrier bottle is fixedly installed, the carrier block 42 needs to be fixed on the side wall of the cabinet body, and then the carrier bottle 20 is fixed on the carrier block 42 by using the bracket 41; the carrier bottle 20 needs to be placed vertically on the carrier block 42.

Optionally, an arc-shaped cavity is formed through the bearing block 42, the cavity is matched with the shape of the carrier bottle 20, and the carrier bottle 20 is vertically fixed in the cavity by the bracket 41, so as to ensure the stability after installation.

The system provided by the scheme does not need any power supply during working, simultaneously integrates abnormal temperature, fire source detection and reagent release, when the thermal runaway of the internal elements of the protected equipment occurs, the system (particularly a temperature vector detection execution unit) can automatically act and release a nontoxic, non-corrosive, insulating and volatilizable high-efficiency cooling agent at a fixed point to quickly eliminate the thermal runaway fault of the equipment, and simultaneously sends a signal to a control system to react the occurrence of the fault; through the fire extinguishing systems who adopts this scheme design, need not power and the temperature measurement unit of complicacy can report to the police, shut down, outage, accuse temperature, do not have the malfunction, reagent can cool down or put out a fire in the twinkling of an eye, reagent pollution-free does not have the damage to equipment components and parts.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The passive thermal protection automatic fire extinguishing system is characterized by comprising

A temperature vector detection execution unit (10); the temperature vector detection execution unit (10) is made of an insulated nylon composite temperature-sensitive synthetic material;

a carrier bottle (20) for carrying a fire extinguishing agent;

a valve body (21) fixedly connected to the upper part of the carrier bottle (20); the bottom of the valve body (21) is provided with a balance siphon which extends to the bottom of the carrier bottle (20); the top of the valve body (21) is communicated with the temperature vector detection execution unit (10) through a connecting piece (30).

2. The passive thermal protection automatic fire extinguishing system according to claim 1, wherein the temperature vector detection performing unit is a tube body of 4/6mm or 6/8mm tubular structure.

3. A passive thermal protection automatic fire extinguishing system according to claim 2, characterized in that a pressure sensor for monitoring the pressure inside the carrier bottle (20) is mounted on the valve body (21).

4. A passive thermal protection automatic fire extinguishing system according to claim 3, characterized in that the connecting member (30) comprises an inner sleeve portion (31) and an outer sleeve portion (32) which are connected in a sleeving manner, one end of the pipe body is inserted into the inner sleeve portion (31), and the outer sleeve portion (32) is screwed and fixed with the valve body (21) through an external thread provided at the end thereof.

5. A passive thermal protection automatic fire extinguishing system according to claim 4, characterized in that a first sealing ring (33) is provided between the inner jacket portion (31) and the outer jacket portion (32); two second sealing rings (34) are arranged between the inner sleeve portion (31) and the pipe body, the two second sealing rings (34) are arranged at intervals, and one of the second sealing rings is arranged at the bottom of the inner sleeve portion (31).

6. The passive thermal protection automatic fire extinguishing system according to claim 5, wherein the other end of the temperature vector detection execution unit (10) is connected with a terminal pressurization monitoring assembly (11), and a pressure gauge is arranged in the terminal pressurization monitoring assembly (11) and used for monitoring the pressure in the temperature vector detection execution unit (10).

7. A passive thermal protection automatic fire extinguishing system according to any one of claims 1 to 6, further comprising a bracket (41) and a carrier block (42), the bracket (41) having an annular structure for securing the carrier bottle (20) on the carrier block (42); the bearing block (42) is fixedly connected with the side wall of the cabinet body.

8. The passive thermal protection automatic fire extinguishing system according to claim 7, characterized in that an arc-shaped cavity is arranged through the carrier block (42), the cavity is matched with the shape of the carrier bottle (20), and the carrier bottle (20) is vertically fixed in the cavity by the bracket (41).