CN110384886B - Heptafluoropropane fire extinguishing system - Google Patents
Heptafluoropropane fire extinguishing system Download PDFInfo
- Publication number
- CN110384886B CN110384886B CN201910565635.9A CN201910565635A CN110384886B CN 110384886 B CN110384886 B CN 110384886B CN 201910565635 A CN201910565635 A CN 201910565635A CN 110384886 B CN110384886 B CN 110384886B
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- needle body
- rotating cylinder
- breakable
- needle
- valve nozzle
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- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000011324 bead Substances 0.000 claims description 42
- 239000000919 ceramic Substances 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 230000007105 physical stamina Effects 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a heptafluoropropane fire-fighting system, which belongs to the technical field of fire-fighting devices, and is characterized in that a heptafluoropropane tank body and an air supply pipe are communicated through arranging a manual switch valve, so that the heptafluoropropane tank body has a manual opening function.
Description
Technical Field
The invention relates to the technical field of fire fighting devices, in particular to a heptafluoropropane fire fighting system.
Background
Heptafluoropropane is a clean gas chemical fire extinguishing agent which mainly uses chemical fire extinguishing and has a physical fire extinguishing function; the fire-fighting protective coating is colorless, tasteless, low-toxicity, non-conductive, free of pollution to protected objects, free of damage to property and precision facilities, good in application prospect and widely applied to the technical field of fire fighting. The traditional heptafluoropropane gas fire-fighting device mainly comprises a heptafluoropropane tank body, an air pump and an air supply pipe, wherein the heptafluoropropane tank body is communicated with the air supply pipe through an electric control switch valve. When a fire disaster happens, the air pump and the electric control switch valve are opened, and the fire extinguishing agent in the heptafluoropropane tank body is sent to a fire place to extinguish the fire. That is to say, in the traditional heptafluoropropane gas fire fighting device, the opening action of the heptafluoropropane tank body depends on the operation of the electric control device, and under the condition that the electric control device fails, the normal operation of a fire fighting system is difficult to guarantee.
Disclosure of Invention
In summary, the technical problems solved by the present invention are: the heptafluoropropane fire-fighting system capable of being opened manually is more suitable for occasions where electric control devices in complex environments and the like are prone to failure.
The scheme adopted by the invention for solving the technical problems is as follows:
a heptafluoropropane fire-fighting system comprises a heptafluoropropane tank body, an air pump and an air supply pipe, wherein the input end of the air supply pipe is communicated with the output end of the air pump, the heptafluoropropane tank body is communicated with the air supply pipe through a manual switch valve,
the manual switch valve comprises a tubular valve nozzle and a rotating cylinder, wherein the bottom end of the valve nozzle is communicated with the heptafluoropropane tank body, the rotating cylinder is coaxially arranged, the bottom end of the rotating cylinder is communicated with the top end of the valve nozzle, the top end of the rotating cylinder is communicated with the air supply pipe through a connecting pipe, and the rotating cylinder can rotate around the axis of the rotating cylinder relative to the valve nozzle and the connecting pipe;
the manual switch valve also comprises a guide rod and a valve needle coaxially arranged in the rotating cylinder, and the valve needle mainly comprises a tubular needle body of which the bottom end is inserted into the top end of the valve nozzle and a moving part fixedly sleeved on the periphery of the needle body;
the inner hole of the needle body is internally fixed with a breakable collision bead which is used for closing the bottom end of the inner hole of the needle body and protrudes out of the bottom end of the needle body towards one side close to the valve nozzle, the outer wall of the needle body is in airtight fit with the inner wall of the valve nozzle, and a grid plate below the breakable collision bead is horizontally and fixedly arranged in the inner hole of the valve nozzle;
the guide rod is arranged in the rotating cylinder in a mode of being parallel to the axis of the needle body, penetrates through the moving part and is in sliding fit with the moving part, and meanwhile, the top end of the guide rod is fixedly connected with the inner wall of the air feed pipe so that the moving part is fixed in the circumferential direction;
the inner wall of the rotating cylinder is provided with a section of internal thread, and the periphery of the moving part is provided with external threads matched with the internal thread, so that the needle body can be driven by the moving part to enable the crushable collision bead at the bottom end of the needle body to collide with the grid plate.
Furthermore, the breakable ball is a sphere, an inner hole of the needle body is internally provided with an inner concave surface which is in a spherical shape with two opposite ends and is matched with the breakable ball, and the breakable ball is clamped in the inner concave surface.
Further, the breakable collision bead is made of ceramics.
Further, the breakable collision bead is hollow.
Furthermore, the needle body mainly comprises a needle head provided with the concave surface and a needle body detachably connected with the needle head.
Furthermore, the needle head is in threaded connection with the needle body.
Furthermore, the bottom end of the rotating cylinder is sleeved on the top end of the valve nozzle, a flange is arranged on the periphery of the valve nozzle, and an annular groove matched with the flange is formed in the inner wall of the section, sleeved on the valve nozzle, of the rotating cylinder, so that the rotating cylinder can rotate around the axis of the rotating cylinder relative to the valve nozzle.
Furthermore, the middle part of the grating plate is provided with an impact pin which is convex upwards and is right opposite to the breakable impact bead.
Due to the adoption of the technical scheme, the invention has the beneficial effects that: the invention is communicated with the heptafluoropropane tank body and the air supply pipe through arranging the manual switch valve so as to manually open the heptafluoropropane tank body, and meanwhile, compared with the traditional manual switch valve, the breakable collision bead can be opened only after being repeatedly acted by certain impact force, so that the occurrence of the situations of accidental opening of the heptafluoropropane tank body after misoperation and the like can be effectively avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the manual switching valve of the present invention.
[ Specification of symbols ]
1-heptafluoropropane tank, 2-air pump, 3-air supply pipe, 4-manual switch valve, 5-valve nozzle, 6-rotary cylinder, 7-connecting pipe, 81-needle head, 82-needle body, 9-moving part, 10-guide rod, 11-breakable collision bead, 12-grating plate, 13-flange and 14-opposed collision pin.
Detailed Description
The heptafluoropropane fire-fighting system provided by the invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the heptafluoropropane fire fighting system according to the present embodiment includes a heptafluoropropane tank 1, an air pump 2, and an air supply pipe 3, wherein an input end of the air supply pipe 3 is communicated with an output end of the air pump 2, and the heptafluoropropane tank 1 is communicated with the air supply pipe 3 through a manual switch valve 4.
As shown in fig. 2, the manual on-off valve 4 according to the present embodiment has a schematic structural view, in which the manual on-off valve 4 includes a tubular valve nozzle 5 having a bottom end communicated with the heptafluoropropane tank 1, and a rotary cylinder 6 coaxially disposed and having a bottom end communicated with a top end of the valve nozzle 5, and a top end of the rotary cylinder 6 is communicated with the air supply pipe 3 through a connection pipe 7, and the rotary cylinder 6 is rotatable around its axis relative to the valve nozzle 5 and the connection pipe 7;
the manual switch valve 4 also comprises a guide rod 10 and a valve needle coaxially arranged in the rotating cylinder 6, and the valve needle mainly comprises a tubular needle body of which the bottom end is inserted into the top end of the valve nozzle 5 and a moving part 9 fixedly sleeved on the periphery of the needle body;
a breakable collision bead 11 used for closing the bottom end of the inner hole of the needle body and protruding out of the bottom end of the needle body towards one side close to the valve nozzle 5 is fixed in the inner hole of the needle body, the outer wall of the needle body is in airtight fit with the inner wall of the valve nozzle 5, and a grid plate 12 below the breakable collision bead 11 is also horizontally and fixedly arranged in the inner hole of the valve nozzle 5;
the guide rod 10 is arranged in the rotating cylinder 6 in a manner of being parallel to the axis of the needle body, the guide rod 10 penetrates through the moving part 9 and is in sliding fit with the moving part 9, and the top end of the guide rod 10 is fixedly connected with the inner wall of the air supply pipe 3, so that the moving part 9 is fixed in the circumferential direction;
the inner wall of the rotating cylinder 6 is provided with a section of internal thread, and the periphery of the moving part 9 is provided with external thread matched with the internal thread, so that the needle body can be driven by the moving part 9 to lead the crushable collision bead 11 at the bottom end of the needle body to collide with the grating plate 12.
In the present embodiment, the heptafluoropropane tank 1 and the air feed pipe 3 are isolated from each other mainly by the manual opening/closing valve 4, specifically, by the breakable beads 11 at the bottom end of the needle body. In specific application, an operator can drive the moving part 9 in threaded connection with the rotating cylinder 6 to move up and down along the axial direction of the guide rod 10 by means of internal threads on the inner wall of the rotating cylinder 6 by holding the rotating cylinder 6 by hand and rotating the rotating cylinder 6 quickly, so that the needle body can collide the crushable collision bead 11 with the grid plate 12 under the drive of the moving part 9, and the operation is repeated until the crushable collision bead 11 is completely crushed. After the breakable collision bead 11 is broken, the heptafluoropropane passes through the grating plate 12 and the inner hole of the needle body from the tank body in sequence, enters the air supply pipe 3 and is conveyed to each fire scene. Meanwhile, the crushable collision bead 11 is opened only after being repeatedly acted by a certain impact force, even if accidental operation occurs, the crushable collision bead 11 is accidentally contacted with the grid plate 12, if the rotating speed of the rotating drum 6 is not high enough, the speed of the moving block 9 is not enough, the crushable collision bead 11 is not broken enough, and therefore the crushable collision bead also has the function of avoiding accidental opening of the heptafluoropropane tank body 1 after misoperation. Wherein grid plates 12 are understood to mean partitions provided with apertures for the passage of gas.
In the above embodiment, the breakable beads 11 can be interference fitted at the bottom end of the inner bore of the needle body. However, if such an arrangement is adopted, the breakable ball 11 may be separated from the bottom end of the inner hole of the needle body by the impact force. In the present embodiment, the crushable collision bead 11 is a sphere, and the inner hole of the needle body is provided with an inner concave surface which is spherical with two opposite ends and is matched with the crushable collision bead 11, and the crushable collision bead is clamped in the inner concave surface. More specifically, the diameter of the breakable collision bead 11 is larger than the diameter of the inner hole of the needle body because the concave surface is matched with the breakable collision bead 11. This arrangement makes the fixing engagement between the breakable beads 11 and the needle body more secure. Further, in the present embodiment, in order to facilitate the crushing of the crushable collision bead 11, it is specifically made of ceramic and is configured in a hollow shape, and in other embodiments, it is made of glass.
Meanwhile, in order to further facilitate the breaking of the breakable beads 11, in the present embodiment, an upper protrusion 14 facing the breakable beads 11 is provided at the middle portion of the grating plate 12.
On the basis of the above embodiment, in order to facilitate the replacement of the crushable impact bead 11 after use, as a preferred embodiment, in the present embodiment, the needle body is mainly composed of a needle head 81 provided with the concave surface, and a needle body 82 detachably connected to the needle head 81. Wherein, the needle 81 and the needle body 82 are coaxially screwed, so that the needle 81 is conveniently detached and replaced. In the present embodiment, the needle body 82 and the moving portion 9 are integrally molded.
In the above embodiment, the rotation relationship between the rotary cylinder 6 and the valve nozzle 5 is realized by a structure that the bottom end of the rotary cylinder 6 is sleeved on the top end of the valve nozzle 5, the periphery of the valve nozzle 5 is provided with the flange 13, and the inner wall of the section of the rotary cylinder 6 sleeved on the valve nozzle 5 is provided with the ring groove matched with the flange 13, so that the rotary cylinder 6 can rotate around the axis thereof relative to the valve nozzle 5.
It should be noted that the manual switch valve 4 provided in the present embodiment may also be applied to an existing mature heptafluoropropane fire-fighting system with an electronic control switch, that is, in a fire-fighting device provided in another embodiment, the fire-fighting device includes a heptafluoropropane tank 1, an air pump 2 and an air feed pipe 3, an input end of the air feed pipe 3 is communicated with an output end of the air pump 2, the heptafluoropropane tank 1 is communicated with the air feed pipe 3 through the electronic control switch valve and the manual switch valve 4 which are arranged in parallel, and a redundant design is provided, so as to improve reliability of the heptafluoropropane fire-fighting system. In addition, a hand wheel can be arranged on the rotating cylinder 6 to facilitate rotation.
Claims (4)
1. The utility model provides a heptafluoropropane fire extinguishing system, is including the heptafluoropropane jar body, air pump and air supply pipe, the input of air supply pipe is linked together with the output of air pump, the heptafluoropropane jar body is linked together its characterized in that through manual switch valve and with the air supply pipe:
the manual switch valve comprises a tubular valve nozzle and a rotating cylinder, wherein the bottom end of the valve nozzle is communicated with the heptafluoropropane tank body, the rotating cylinder is coaxially arranged, the bottom end of the rotating cylinder is communicated with the top end of the valve nozzle, the top end of the rotating cylinder is communicated with the air supply pipe through a connecting pipe, and the rotating cylinder can rotate around the axis of the rotating cylinder relative to the valve nozzle and the connecting pipe;
the manual switch valve also comprises a guide rod and a valve needle coaxially arranged in the rotating cylinder, and the valve needle mainly comprises a tubular needle body of which the bottom end is inserted into the top end of the valve nozzle and a moving part fixedly sleeved on the periphery of the needle body;
the inner hole of the needle body is internally fixed with a breakable collision bead which is used for closing the bottom end of the inner hole of the needle body and protrudes out of the bottom end of the needle body towards one side close to the valve nozzle, the outer wall of the needle body is in airtight fit with the inner wall of the valve nozzle, and a grid plate below the breakable collision bead is horizontally and fixedly arranged in the inner hole of the valve nozzle;
the guide rod is arranged in the rotating cylinder in a mode of being parallel to the axis of the needle body, penetrates through the moving part and is in sliding fit with the moving part, and meanwhile, the top end of the guide rod is fixedly connected with the inner wall of the air feed pipe so that the moving part is fixed in the circumferential direction;
the inner wall of the rotating cylinder is provided with a section of internal thread, and the periphery of the moving part is provided with external threads matched with the internal thread, so that the needle body can be driven by the moving part to enable the crushable collision bead at the bottom end of the needle body to collide with the grid plate;
the breakable collision bead is made of ceramics;
the breakable collision bead is a sphere, an inner hole of the needle body is internally provided with an inner concave surface which is in a spherical shape with two opposite ends and is matched with the breakable collision bead, and the breakable collision bead is clamped in the inner concave surface;
the breakable collision bead is hollow;
the breakable collision bead is a sphere, an inner hole of the needle body is internally provided with an inner concave surface which is in a spherical shape with two opposite ends and is matched with the breakable collision bead, and the breakable collision bead is clamped in the inner concave surface;
the middle part of the grating plate is provided with an impact needle which is upwards raised and is right opposite to the breakable impact bead;
the use method of the heptafluoropropane fire-fighting system comprises the following steps:
through handheld rotation section of thick bamboo to rotating rotation section of thick bamboo, the internal thread on the rotation section of thick bamboo inner wall drives the removal portion rather than threaded connection and reciprocates along the axial of guide bar to make needle physical stamina can smash and hit pearl and grid tray and collide with each other under the drive of removal portion, repeat as above operation, until can smash and hit the pearl and completely break.
2. A heptafluoropropane fire fighting system as claimed in claim 1, wherein: the needle body mainly comprises a needle head provided with the concave surface and a needle body detachably connected with the needle head.
3. A heptafluoropropane fire fighting system as claimed in claim 2, wherein: the needle head is in threaded connection with the needle body.
4. A heptafluoropropane fire fighting system as claimed in claim 1, wherein: the bottom end of the rotating cylinder is sleeved on the top end of the valve nozzle, a flange is arranged on the periphery of the valve nozzle, and an annular groove matched with the flange is formed in the inner wall of the section, sleeved on the valve nozzle, of the rotating cylinder, so that the rotating cylinder can rotate around the axis of the rotating cylinder relative to the valve nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910565635.9A CN110384886B (en) | 2019-06-27 | 2019-06-27 | Heptafluoropropane fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910565635.9A CN110384886B (en) | 2019-06-27 | 2019-06-27 | Heptafluoropropane fire extinguishing system |
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| Publication Number | Publication Date |
|---|---|
| CN110384886A CN110384886A (en) | 2019-10-29 |
| CN110384886B true CN110384886B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910565635.9A Active CN110384886B (en) | 2019-06-27 | 2019-06-27 | Heptafluoropropane fire extinguishing system |
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| CN (1) | CN110384886B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201129519Y (en) * | 2007-12-20 | 2008-10-08 | 西安新竹防灾救生设备有限公司 | Manual self-pressure type bottle head valve |
| CN104324464A (en) * | 2014-09-24 | 2015-02-04 | 广州市佰力消防设备有限公司 | Automatic fire extinguishing system using gaseous extinguishing agent |
| JP6322494B2 (en) * | 2014-06-19 | 2018-05-09 | 株式会社フジキン | Fluid controller |
-
2019
- 2019-06-27 CN CN201910565635.9A patent/CN110384886B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201129519Y (en) * | 2007-12-20 | 2008-10-08 | 西安新竹防灾救生设备有限公司 | Manual self-pressure type bottle head valve |
| JP6322494B2 (en) * | 2014-06-19 | 2018-05-09 | 株式会社フジキン | Fluid controller |
| CN104324464A (en) * | 2014-09-24 | 2015-02-04 | 广州市佰力消防设备有限公司 | Automatic fire extinguishing system using gaseous extinguishing agent |
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| Publication number | Publication date |
|---|---|
| CN110384886A (en) | 2019-10-29 |
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