CN215995376U

CN215995376U - Heptafluoropropane temperature-sensing self-starting extinguishing device

Info

Publication number: CN215995376U
Application number: CN202122496710.6U
Authority: CN
Inventors: 孟令展; 李国松; 安要
Original assignee: Shanghai Meishi Intelligent System Co ltd
Current assignee: Shanghai Meishi Intelligent System Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-03-11
Anticipated expiration: 2031-10-15

Abstract

The utility model innovatively provides a heptafluoropropane temperature-sensing self-starting fire extinguishing device, which comprises a fire detection pipe, a storage container and a connecting piece, wherein heptafluoropropane is contained in the storage container, a pressure valve is arranged on the connecting piece, the connecting piece comprises a first pipeline and a second pipeline, one end of the second pipeline is arranged on the first pipeline, the second pipeline is communicated with the first pipeline, the other end of the second pipeline is communicated with the fire detection pipe, an adjusting piece is arranged in the first pipeline, the adjusting piece is positioned at the joint of the first pipeline and the second pipeline, both ends of the adjusting piece are hermetically connected with the first pipeline, an exhaust pipe is arranged on the adjusting piece, both ends of the exhaust pipe are respectively communicated with the first pipeline and the second pipeline, the adjusting piece and the storage container are respectively arranged at both ends of the first pipeline, one end of the adjusting piece, which deviates from the storage container, extends to the outside of the first pipeline and is fixedly connected with a handle, the handle and the exhaust pipe are respectively arranged at two ends of the adjusting piece.

Description

Heptafluoropropane temperature-sensing self-starting extinguishing device

Technical Field

The utility model relates to a technical field of extinguishing device, more specifically the utility model relates to a heptafluoropropane temperature sensing self-starting extinguishing device that says so.

Background

The temperature-sensing self-starting fire extinguishing device is a brand-new fire fighting device for detecting and extinguishing fire, and in some special places, due to small idle space and special environment, a pipe network and a nozzle cannot be normally installed, so that a transmission automatic goods-not-available device cannot play a role; the temperature-sensing self-starting fire extinguishing device comprises a fire probe pipe, a storage container and a pressure valve, wherein the fire probe pipe is arranged above a position close to or most likely to generate a fire source; once the fire occurs, the fire detection pipe is softened and exploded at a high heating temperature, and the heptafluoropropane is released to the fire through the fire detection pipe to realize automatic fire extinguishing; after the existing temperature-sensing self-starting fire extinguishing device catches fire, heptafluoropropane in the storage container is released to extinguish the fire; in the use process, the gas in the storage container is automatically released, no matter the size of a fire source, the heptafluoropropane in the storage container needs to be consumed, and the resource waste is easily caused for a fire with a small fire source.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a heptafluoropropane temperature-sensing self-starting fire extinguishing device which is used for overcoming the defects in the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a temperature-sensing self-starting heptafluoropropane fire extinguishing device comprises a fire detection pipe, a storage container and a connecting piece, wherein the connecting piece is arranged on the storage container, heptafluoropropane is contained in the storage container, a pressure valve is arranged on the connecting piece, the connecting piece comprises a first pipeline and a second pipeline, one end of the second pipeline is arranged on the first pipeline, the second pipeline is communicated with the first pipeline, the other end of the second pipeline is communicated with the fire detection pipe, an adjusting piece is arranged in the first pipeline and is positioned at the joint of the first pipeline and the second pipeline, two ends of the adjusting piece are hermetically connected with the first pipeline, an exhaust pipe is arranged on the adjusting piece, two ends of the exhaust pipe are respectively communicated with the first pipeline and the second pipeline, the adjusting piece and the storage container are respectively arranged at two ends of the first pipeline, one end of the adjusting piece, which deviates from the storage container, extends out of the first pipeline and is fixedly connected with a handle, the handle and the exhaust pipe are respectively arranged at two ends of the adjusting piece.

Preferably, a limiting groove is formed in the inner side wall of the first pipeline, a limiting block is arranged on the outer wall of the adjusting part, the limiting block is connected in the limiting groove in a sliding mode, when the sliding block is located at one end of the limiting groove, one end of the exhaust pipe faces the second pipeline, the first pipeline is communicated with the second pipeline, when the sliding block is located at the other end of the limiting groove, one end of the exhaust pipe faces the inner wall of the first pipeline, and the second pipeline is closed with the second pipeline.

Preferably, the pressure valve comprises a valve body and a control plate, the valve body is provided with a valve cavity, two ends of the valve cavity are respectively provided with a connecting cavity, the connecting cavities are communicated with the second pipeline and the fire detection pipe respectively, the inner diameter of the valve cavity is gradually increased from the second pipeline to the fire detection pipe, the control plate is arranged in the valve cavity, the control plate is perpendicular to the through direction of the valve cavity, and the periphery of the control plate is hermetically connected with the inner wall of the valve cavity.

Preferably, a fixing plate is arranged in the connecting cavity on the side of the fire detecting pipe, an elastic piece is arranged on the fixing plate, one end of the elastic piece is fixedly connected to the fixing plate, and the other end of the elastic piece is fixedly connected to the control plate.

Preferably, the fixed plate and the control plate are arranged in parallel, a plurality of through holes are formed in the fixed plate, and two sides of the fixed plate are communicated through the through holes.

Preferably, a sliding plate is arranged in the valve body, the sliding plate is horizontally arranged at the bottom of the valve cavity, and the control plate is arranged on the sliding plate.

Preferably, a plurality of groups of limiting pieces are arranged on the inner side wall of the valve cavity, the limiting pieces are arranged between the fixed plate and the adjusting plate, a limiting surface is arranged at one end, far away from the inner side wall of the valve cavity, of the limiting piece, and the limiting surface faces towards the second pipeline side.

The utility model has the advantages that: after the fire is extinguished, the direction of the exhaust pipe in the first pipeline is changed by rotating the adjusting piece, so that the adjusting piece blocks the first pipeline, the first pipeline and the second pipeline are closed, and the leakage of heptafluoropropane in the storage container is avoided; a control panel is arranged in the pressure valve, and the on-off of the pressure valve is controlled by changing the position of the control panel in the valve cavity; a fixing plate and an elastic piece are arranged in the valve cavity, the fixing plate is used for fixing the elastic piece, and the elastic piece is used for pressing the control plate against the inner wall of the valve cavity so as to avoid leakage of heptafluoropropane; be provided with the locating part in the valve pocket, after the blasting of fire-detecting pipe, there is the pressure differential in control panel both sides, and the control panel moves to the fixed plate side under the effect of storage container internal gas pressure to pass the locating part, make the control panel be located between locating part and the fixed plate, avoid in the use, because of the atmospheric pressure reduction in the storage container, lead to the control panel to reset under the effect of elastic component, influence the normal emission of heptafluoropropane, can't in time put out a fire.

Drawings

FIG. 1 is an overall structure of the present invention;

FIG. 2 is a view of the structure of the connector of the present invention;

fig. 3 is a structural view of the pressure valve of the present invention.

Reference numerals: 1. a fire detection pipe; 2. a storage container; 3. a connecting member; 31. a first conduit; 32. a second conduit; 33. an adjustment member; 34. an exhaust pipe; 35. a limiting block; 36. a limiting groove; 4. a pressure valve; 41. a valve body; 411. a valve cavity; 412. a connecting cavity; 42. a control panel; 43. a fixing plate; 44. an elastic member; 45. a limiting member; 46. a limiting surface; 47. a sliding plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The embodiments of the present invention will be described in detail with reference to the accompanying drawings:

as shown in fig. 1-3, a temperature-sensing self-starting fire extinguishing device of heptafluoropropane comprises a fire carbon pipe, a storage container 2, a connecting piece 3 and a pressure valve 4, wherein the connecting piece 3 is arranged on the storage container 2, the pressure valve 4 is arranged on the connecting piece 3, and the storage container 2 is communicated with a fire probe pipe 1 through the connecting piece 3; heptafluoropropane is contained in the storage container 2, the fire detection pipe 1 is wound in the cabinet, and the connecting piece 3 and the storage container 2 are arranged on one side of the cabinet; keeping the fire detection pipe 1 at 140 +/-2 ℃ for 2min, and stopping; the fire detection pipe 1 acts within 10s-20s at 170 +/-10 ℃ and is softened and exploded at a heated position, and meanwhile, the pressure valve 4 is started to release the heptafluoropropane in the storage container 2 into the cabinet to extinguish fire.

As shown in fig. 1 and 2, the connecting piece 3 comprises a first pipeline 31 and a second pipeline 32, one end of the second pipeline 32 is arranged on the first pipeline 31 and communicated with the first pipeline 31, the other end of the second pipeline 32 is communicated with the fire detection pipe 1, and during use, heptafluoropropane enters the fire detection pipe 1 through the first pipeline 31 and the second pipeline 32 and extinguishes fire at a fire point; an adjusting piece 33 is arranged in the first pipeline 31, and the adjusting piece 33 is arranged at the joint of the first pipeline 31 and the second pipeline 32; the adjusting part 33 is connected with the first pipeline 31 in a sealing way, the adjusting part 33 is provided with an exhaust pipe 34, the exhaust pipe 34 is utilized to realize the communication between the first pipeline 31 and the second pipeline 32, and gas is prevented from leaking through a gap between the adjusting part 33 and the first pipeline 31; the adjusting piece 33 and the storage container 2 are respectively arranged at two ends of the first pipeline 31, one end of the adjusting piece 33, which is deviated from the end easy to store, extends out of the first pipeline 31, and a handle is fixedly connected to the adjusting piece 33; the exhaust pipe 34 and the handle are respectively arranged at two ends of the adjusting piece 33, the state of the adjusting piece 33 in the first pipeline 31 can be changed by the handle, and meanwhile, the exhaust pipe 34 and the first pipeline 31 are communicated with the storage container 2; a limiting groove 36 is formed in the inner wall of the first pipeline 31, a limiting block 35 is arranged on the outer wall of the adjusting part 33, and the limiting block 35 is arranged in the limiting groove 36 in a sliding mode; the position of the limiting block 35 in the limiting groove 36 is changed by rotating the adjusting piece 33; when the limiting block 35 is positioned at one end of the limiting groove 36, one end of the exhaust pipe 34 faces the second pipeline 32, and the first pipeline 31 is communicated with the second pipeline 32 through the exhaust pipe 34, so that the release of heptafluoropropane is realized; when the adjusting member 33 is rotated to make the limiting block 35 located at the other end of the limiting groove 36, one end of the exhaust pipe 34 faces the inner wall of the first pipeline 31, so that the adjusting member 33 blocks the first pipeline 31 to prevent heptafluoropropane in the first pipeline 31 from leaking into the second pipeline 32.

As shown in fig. 1, 2 and 3, the pressure valve 4 includes a valve body 41 and a control plate 42, the valve body 41 is provided with a valve cavity 411, two sides of the valve cavity 411 are respectively provided with a connecting cavity 412, the second pipeline 32 and the fire carbon pipe are respectively communicated with the two groups of connecting cavities 412, and the inner diameter of the valve cavity 411 gradually increases from the second pipeline 32 to the fire detecting pipe 1; the control plate 42 is arranged in the valve cavity 411, the through direction of the control plate 42 and the valve cavity 411 is vertical, the control plate 42 is movably arranged in the valve cavity 411, and the periphery of the control plate 42 is hermetically connected with the valve cavity 411; the position of the control plate 42 in the valve cavity 411 is changed to realize the on-off of the valve cavity 411; a fixing plate 43 is arranged in the connecting cavity 412 on one side of the fire detecting pipe 1, the fixing plate 43 is fixedly connected in the connecting cavity 412, an elastic piece 44 is arranged on the fixing plate 43, one end of the elastic piece 44 is fixedly connected on the fixing plate 43, and the other end of the elastic piece 44 is fixedly connected on the adjusting plate; a plurality of through holes are formed in the fixing plate 43, and the fixing plate 43 is fixedly connected in the connecting cavity 412 by the through holes, so that heptafluoropropane can enter the fire detection pipe 1 through the through holes; the adjusting plate near the side of the storage container 2 is subjected to the air pressure in the storage container 2, and the adjusting plate near the side of the fire detection pipe 1 is subjected to the elastic member 44 and the pressure in the fire detection pipe 1; the pressure on one side of the adjusting plate close to the fire detection pipe 1 is larger, and the adjusting plate is pressed against the inner wall of the valve cavity 411 and is in sealing connection with the inner wall of the valve cavity under the action of the elastic piece 44 and the pressure in the fire detection pipe 1, so that the pressure valve 4 is closed; after the explosion of the fire detection pipe 1, the pressure in the fire detection pipe is reduced, the adjusting plate is pushed to one side of the fire detection pipe 1 under the action of the air pressure in the storage container 2, and in the movement process of the adjusting plate, a gap exists between the adjusting plate and the inner wall of the valve cavity 411, so that the pressure valve 4 is started, and the fire extinguishing device is started.

A sliding plate 47 is arranged in the valve body 41, the sliding plate 47 is horizontally arranged at the bottom of the valve cavity 411, and the control plate 42 is vertically arranged on the sliding plate 47; in the process that the control plate 42 moves in the valve cavity 411, the control plate 42 always moves on the sliding plate 47, so that the situation that the control plate 42 deflects under the action of gravity and the pressure valve 4 leaks in the use process is avoided.

A plurality of sets of limiting pieces 45 are arranged on the inner side wall of the valve cavity 411, the limiting pieces 45 are all arranged between the fixing plate 43 and the adjusting plate, a limiting surface 46 is arranged at one end, far away from the inner side wall of the valve cavity 411, of the limiting piece 45, and the limiting surface 46 faces the side where the second pipeline 32 is located; when the fire detecting pipe 1 is broken, the adjusting plate in the valve cavity 411 contacts with the limiting surface 46 under the action of air pressure and slides along the limiting surface 46, so that the adjusting plate is arranged between the limiting piece 45 and the fixing plate 43, and the limiting piece 45 is pressed against the adjusting plate; utilize locating part 45, when the conflagration breaing out, pressure valve 4 starts the back, and heptafluoropropane accessible fire detection pipe 1 in the storage container 2 carries to the ignition, puts out a fire, simultaneously, avoids in the use, and the gas density in the storage container 2 reduces, and atmospheric pressure subtracts to fall, leads to the regulating plate to reset under the effect of elastic component 44, influences the normal extinction of fire.

The working principle is as follows: in use, the fire detecting pipe 1 is placed in the cabinet, and the adjusting piece 33 is rotated, so that the exhaust pipe 34 faces the second pipeline 32, and the first pipeline 31 is communicated with the second pipeline 32; when the cabinet catches fire, the temperature of the cabinet rises, the fire detection pipe 1 melts and explodes under the action of high temperature, so that the pressure intensity in the fire carbon pipe is reduced, the adjusting plate moves to the side where the fixing plate 43 is located under the action of air pressure in the storage container 2, the adjusting plate is clamped and connected with the limiting part 45, a gap exists between the valve cavity 411 and the adjusting plate, and heptafluoropropane enters the fire detection pipe 1 through the gap between the adjusting plate and the valve cavity 411 and is sprayed to a fire point to extinguish fire; in the process of fire extinguishing, the air pressure in the storage container 2 is gradually reduced, and the limiting plate is utilized to avoid the adjusting plate from being reset under the action of the elastic piece 44 in the using process; after the fire extinguishing is finished, in order to avoid the waste of heptafluoropropane in the storage container 2, the adjusting piece 33 is rotated, so that the limiting block 35 on the adjusting piece 33 slides in the limiting groove 36, the exhaust pipe 34 on the adjusting piece 33 faces the inner wall of the first pipeline 31, the first pipeline 31 and the second pipeline 32 are blocked by the adjusting piece 33, the storage container 2 is closed, and the heptafluoropropane in the storage container 2 is prevented from leaking; the pressure valve 4 and the fire detection pipe 1 can be replaced, so that the device is convenient to reuse; in the routine maintenance process, the position state of the adjusting part 33 in the connecting part 3 needs to be detected, the first pipeline 31 is communicated with the second pipeline 32, the fire extinguishing device can be started in time when a fire disaster happens, a fire source is extinguished in time, the fire disaster range is avoided or enlarged, and loss is reduced.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A temperature-sensing self-starting heptafluoropropane fire extinguishing device comprises a fire detecting pipe (1), a storage container (2) and a connecting piece (3), wherein the connecting piece (3) is arranged on the storage container (2), heptafluoropropane is contained in the storage container (2), a pressure valve (4) is arranged on the connecting piece (3), the temperature-sensing self-starting heptafluoropropane fire extinguishing device is characterized in that the connecting piece (3) comprises a first pipeline (31) and a second pipeline (32), one end of the second pipeline (32) is arranged on the first pipeline (31), the second pipeline (32) is communicated with the first pipeline (31), the other end of the second pipeline (32) is communicated with the fire detecting pipe (1), an adjusting piece (33) is arranged in the first pipeline (31), the adjusting piece (33) is positioned at the joint of the first pipeline (31) and the second pipeline (32), two ends of the adjusting piece (33) are hermetically connected with the first pipeline (31), be provided with blast pipe (34) on regulating part (33), the both ends of blast pipe (34) communicate with each other with first pipeline (31) and second pipeline (32) respectively, regulating part (33) set up respectively in the both ends of first pipeline (31) with storage container (2), the one end that regulating part (33) deviates from storage container (2) extends to outside and fixedly connected with handle of first pipeline (31), the handle sets up respectively in regulating part (33) both ends with blast pipe (34).

2. The temperature-sensing self-starting fire extinguishing device of heptafluoropropane as claimed in claim 1, wherein a limiting groove (36) is formed in an inner side wall of the first pipeline (31), a limiting block (35) is formed in an outer wall of the adjusting member (33), the limiting block (35) is slidably connected in the limiting groove (36), when the limiting block is located at one end of the limiting groove (36), one end of the exhaust pipe (34) faces the second pipeline (32), the first pipeline (31) is communicated with the second pipeline (32), and when the limiting block is located at the other end of the limiting groove (36), one end of the exhaust pipe (34) faces an inner wall of the first pipeline (31), and the second pipeline (32) is closed with the second pipeline (32).

3. The heptafluoropropane temperature-sensing self-starting fire extinguishing device according to claim 1, wherein the pressure valve (4) comprises a valve body (41) and a control plate (42), a valve cavity (411) is formed in the valve body (41), connecting cavities (412) are formed in two ends of the valve cavity (411), the two groups of connecting cavities (412) are respectively communicated with the second pipeline (32) and the fire detection pipe (1), the inner diameter of the valve cavity (411) is gradually increased from the second pipeline (32) to the fire detection pipe (1), the control plate (42) is arranged in the valve cavity (411), the control plate (42) is perpendicular to the center line of the valve cavity (411), and the periphery of the control plate (42) is connected with the inner wall of the valve cavity (411) in a sealing mode.

4. The temperature-sensing self-starting fire extinguishing device of heptafluoropropane as claimed in claim 1, wherein a fixing plate (43) is arranged in the connecting chamber (412) arranged on the fire detector tube (1) side, an elastic member (44) is arranged on the fixing plate (43), one end of the elastic member (44) is fixedly connected to the fixing plate (43), and the other end of the elastic member (44) is fixedly connected to the control panel (42).

5. The temperature-sensing self-starting fire extinguishing device of heptafluoropropane as claimed in claim 4, wherein said fixing plate (43) and said control plate (42) are arranged in parallel, said fixing plate (43) is provided with a plurality of through holes, and both sides of said fixing plate (43) are communicated through said through holes.

6. The temperature-sensing self-starting fire extinguishing device of heptafluoropropane as claimed in claim 3, wherein a sliding plate (47) is arranged in said valve body (41), said sliding plate (47) is horizontally arranged at the bottom of said valve chamber (411), and said control plate (42) is arranged on said sliding plate (47).

7. The temperature-sensing self-starting fire extinguishing device according to claim 3, wherein a limiting member (45) is arranged on the inner side wall of the valve cavity (411), the limiting member (45) is arranged between the fixed plate (43) and the adjusting plate, a limiting surface (46) is arranged at one end of the limiting member (45) far away from the valve cavity (411), and the limiting surface (46) faces the second pipeline (32).