CN111135517B - Fire pre-action alarm device - Google Patents
Fire pre-action alarm device Download PDFInfo
- Publication number
- CN111135517B CN111135517B CN202010020275.7A CN202010020275A CN111135517B CN 111135517 B CN111135517 B CN 111135517B CN 202010020275 A CN202010020275 A CN 202010020275A CN 111135517 B CN111135517 B CN 111135517B
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- valve
- alarm
- pipe
- water supply
- water
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/62—Pipe-line systems dry, i.e. empty of extinguishing material when not in use
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/68—Details, e.g. of pipes or valve systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a fire pre-action alarm device in the technical field of pedal assembly machines, which comprises a diaphragm type deluge valve and a wet alarm valve, wherein a water supply side channel and a right side interface of a system side channel are respectively connected with a test alarm water outlet pipe, a pre-alarm water outlet pipe and an alarm collecting pipe; the invention provides a fire pre-action alarm device, which is characterized in that a left side interface of a wet alarm valve is connected with a drain pipe and a drain ball valve, and a first water supply branch pipe is connected to the middle part of the drain pipe.
Description
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to a fire pre-action alarm device.
Background
The pre-action system is the main component of the pre-action automatic water-spraying fire-extinguishing system, and is composed of a pre-action alarm valve set, a control panel, an air pressure maintaining device and an air supply device, and the one-way valve set device is opened by electric, pneumatic, mechanical or other methods, so that water can flow into the water-spraying system in one way and can alarm at the same time. The traditional fire prevention wet system consists of a spray head, a pipeline system, a wet alarm valve, an alarm device, a water supply facility and the like. The system is always filled with pressure water in the front pipeline and the rear pipeline of the alarm valve, so the system is called a wet-type water-spraying fire-extinguishing system or a wet pipe system. The wet system is not suitable for important places where the phenomenon of mis-spraying is not expected to happen, such as computer rooms, data rooms, historical material archives, libraries, electromechanical instruments which are not sensitive to water and damp, storehouses for food and medicine and the like.
Based on the above, the invention designs a fire pre-action alarm device to solve the above problems.
Disclosure of Invention
The invention aims to provide a fire pre-action alarm device to solve the technical problem.
In order to realize the purpose, the invention provides the following technical scheme: a fire pre-action alarm device comprises a diaphragm type deluge valve and a wet alarm valve, wherein a water inlet butterfly valve and a water outlet butterfly valve are respectively arranged at the bottom water inlet end of the diaphragm type deluge valve and the top water outlet end of the wet alarm valve, a water supply side channel and a system side channel are arranged on the diaphragm type deluge valve, a valve port is formed between the water supply side channel and the system side channel, a diaphragm sealing gasket is arranged on the right side of the second valve port, a valve group control cavity is formed between the diaphragm sealing gasket and the right side of the diaphragm type deluge valve, and an elastic reset piece capable of enabling the diaphragm sealing gasket to cover the valve port in a sealing mode is arranged between the diaphragm sealing gasket and the wall of the valve group control cavity;
the right side interfaces of the water supply side channel and the system side channel are respectively connected with a test alarm water outlet pipe and a pre-alarm water outlet pipe, the test alarm water outlet pipe and the pre-alarm water outlet pipe are jointly connected to an alarm collecting pipe, and the top end of the alarm collecting pipe is provided with a pressure switch and a hydraulic alarm bell;
the left side interface of the system side channel is connected with a water drain pipe, the tail end of the water drain pipe is provided with a water drain ball valve, the left side interface of the water supply side channel is connected with a water supply pipe, the water supply pipe is connected with a first water supply branch pipe and a second water supply branch pipe in a shunting manner, the first water supply branch pipe is sequentially provided with a water supply pressure gauge and a water adding isolation ball valve, the second water supply branch pipe is sequentially provided with a first membrane cavity pipe and a second membrane cavity pipe, a reset ball valve is arranged between the first membrane cavity pipe and the second membrane cavity pipe, and the tail end of the second water supply branch pipe is provided with an electromagnetic pressure release valve and a manual pressure release valve in a shunting manner;
the left side interface connection of wet-type alarm valve has the drain pipe, first water supply branch pipe is connected to the drain pipe middle part, the ball valve that drains is installed to the end of drain pipe.
Preferably, the test alarm water outlet pipe and the pre-alarm water outlet pipe are respectively provided with a test alarm ball valve and a pre-alarm ball valve.
Preferably, the right side of the wet alarm valve is connected with an inflation tube, the inflation tube is provided with an inflation control ball valve, and the tail end of the inflation tube is provided with a system barometer.
Preferably, a die cavity pressure gauge is arranged on the front side of the die cavity of the diaphragm type deluge valve.
Preferably, the second membrane cavity pipe is provided with an anti-return valve.
Preferably, the alarm collecting pipe and the first membrane cavity pipe are both provided with Y-shaped filters.
Preferably, the signal input end of the electromagnetic pressure relief valve is electrically connected with the signal output end of an external alarm controller.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a fire pre-action alarm device, which is a new system combining an automatic fire detection alarm technology and an automatic water spray fire extinguishing system, and has double protection effects on a protected object, wherein a system pipe network is dry at ordinary times, and after a fire occurs, the system pipe network is changed into a wet servo state from the dry state through a pre-action device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the piping structure of the present invention;
FIG. 3 is a schematic diagram of the structure of the device of the present invention;
fig. 4 is a schematic view of a diaphragm type deluge valve according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-diaphragm type deluge valve, 101-water supply side channel, 102-system side channel, 103-valve port, 104-diaphragm sealing pad, 105-valve group control cavity, 106-elastic reset piece, 2-wet alarm valve, 3-water inlet butterfly valve, 4-water outlet butterfly valve, 5-test alarm water outlet pipe, 6-pre-alarm water outlet pipe, 7-alarm collecting pipe, 8-pressure switch, 9-hydraulic alarm bell, 10-water outlet pipe, 11-water outlet ball valve, 12-water supply pipe, 13-first water supply branch pipe, 14-second water supply branch pipe, 15-water supply pressure gauge, 16-water supply isolation ball valve, 17-first diaphragm chamber pipe, 18-second diaphragm chamber pipe, 19-reset ball valve, 20-electromagnetic pressure relief valve, 21-manual pressure relief valve, 22-a drain pipe, 23-a water discharge ball valve, 24-a test alarm ball valve, 25-a pre-alarm ball valve, 26-an inflation pipe, 27-an inflation control ball valve, 28-a die cavity pressure gauge, 29-an anti-reset valve, 30-a system air pressure gauge and 31-a Y-type filter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a fire pre-action alarm device comprises a diaphragm type deluge valve 1 and a wet alarm valve 2, wherein a water inlet butterfly valve 3 and a water outlet butterfly valve 4 are respectively arranged at the bottom water inlet end of the diaphragm type deluge valve 1 and the top water outlet end of the wet alarm valve 2, a water supply side channel 101 and a system side channel 102 are arranged on the diaphragm type deluge valve 1, a valve port 103 is formed between the water supply side channel 101 and the system side channel 102, a diaphragm sealing gasket 104 is arranged on the right side of a second valve port 103, a valve group control cavity 105 is formed between the diaphragm sealing gasket 104 and the right side of the diaphragm type deluge valve 1, and an elastic reset piece 106 capable of enabling the diaphragm sealing gasket 104 to seal and cover the valve port 103 is arranged between the diaphragm sealing gasket 104 and the wall of the valve group control cavity 105; the right side interfaces of the water supply side channel 101 and the system side channel 102 are respectively connected with a test alarm water outlet pipe 5 and a pre-alarm water outlet pipe 6, the test alarm water outlet pipe 5 and the pre-alarm water outlet pipe 6 are jointly connected to an alarm collecting pipe 7, and the top end of the alarm collecting pipe 7 is provided with a pressure switch 8 and a hydraulic alarm bell 9; a drain pipe 10 is connected to a left interface of a system side channel 102, a drain ball valve 11 is installed at the tail end of the drain pipe 10, a water supply pipe 12 is connected to a left interface of a water supply side channel 101, the water supply pipe 12 is connected with a first water supply branch pipe 13 and a second water supply branch pipe 14 in a shunting manner, a water supply pressure gauge 15 and a water supply isolation ball valve 16 are sequentially installed on the first water supply branch pipe 13, a first membrane cavity pipe 17 and a second membrane cavity pipe 18 are sequentially installed on the second water supply branch pipe 14, a reset ball valve 19 is arranged between the first membrane cavity pipe 17 and the second membrane cavity pipe 18, and an electromagnetic pressure release valve 20 and a manual pressure release valve 21 are respectively installed at the tail end of the second water supply branch pipe 14 in a shunting manner; the left interface of the wet alarm valve 2 is connected with a drain pipe 22, the first water supply branch pipe 13 is connected to the middle part of the drain pipe 22, and the tail end of the drain pipe 22 is provided with a drain ball valve 23.
Wherein, install test warning ball valve 24 and warning ball valve 25 in advance on test warning outlet pipe 5 and the warning outlet pipe 6 respectively, the right side of wet-type alarm valve 2 is connected with gas tube 26, install inflation control ball valve 27 on the gas tube 26, system barometer 30 is installed to the end of gas tube 26, install on the die cavity front side of diaphragm type deluge valve 1 die cavity manometer 28 second membrane chamber pipe 18 and install anti-reset valve 29, all install Y type filter 31 on warning collecting pipe 7 and the first membrane chamber pipe 17, electromagnetic relief valve signal input end and outside alarm controller signal output end are connected with electricity.
Example 1:
the pre-acting valve group can be debugged manually and can be debugged in an emergency on site, and the remote control can be debugged electrically. 1, manual debugging: a, after the installation is finished, firstly closing the water inlet butterfly valve 3, opening the pre-alarm ball valve 25, the reset ball valve 19, the manual pressure release valve 21, the water drain ball valve 11 and the water drain ball valve 23, closing the water outlet butterfly valve 4, slowly opening the water inlet butterfly valve 3 to fill water for the pre-acting valve group, then automatically opening the anti-reset valve 29, closing the manual pressure release valve 21 after air is exhausted, automatically closing the anti-reset valve 29, enabling no water to flow out, closing the reset ball valve 19 after no pressure water flows out of the water drain ball valve 11 and the water drain ball valve 23, closing the water drain ball valve 11 and the water drain ball valve 23 after residual water is completely discharged, and at the moment, closing the diaphragm sealing gasket 104 membrane of the diaphragm type deluge valve 1. Opening the diaphragm type deluge valve 1 for debugging: firstly closing the water outlet butterfly valve 4, opening the water drain ball valve 11 and the water drain ball valve 23, then opening 21, when the pressure gauge is controlled to have no pressure, the diaphragm type deluge valve 1 is opened to supply water, at the moment, the pressure switch 8 and the hydraulic alarm bell 9 act to alarm, the water drain ball valve 11 and the water drain ball valve 23 have pressure water to flow out, the anti-reset valve 29 is also automatically opened, if the diaphragm type deluge valve 1 needs to be reset and closed, and if the manual pressure relief valve 21 is closed, the reset ball valve 19 is opened and the diaphragm type deluge valve needs to be automatically reset and closed by the pre-acting valve group about 1 minute. 2, electric debugging: the water outlet butterfly valve 4 is closed, the reset ball valve 19 is closed, the electromagnetic pressure release valve 20 is electrified, the electromagnetic pressure release valve 20 is opened, the anti-reset valve 29 is also automatically opened, the diaphragm sealing gasket 104 is opened and continuously opens for water supply, and the hydraulic alarm bell 8 and the pressure switch 9 act to alarm. At the moment, the power supply of the magnetic relief valve 20 is cut off by opening the reset ball valve 19, and the diaphragm automatically resets and closes within 1 minute of the diaphragm type deluge valve.
The specific application embodiment of the device comprises the following steps: the device and an external air maintenance device, an air compressor, an electric cabinet and the like which are matched form a preaction device system. Before a fire disaster happens, a system pipe network is filled with 0.03-0.05 MPa of air, the air pressure is maintained by an air maintenance device and an air compressor, no water exists in the pipe network, the system has the characteristics of a dry system, after the fire disaster happens, an automatic alarm detector arranged in a protection area generates an alarm signal, a main electronic control cabinet sends an instruction, a diaphragm type deluge valve 1 is opened, a water supply system starts to supply water to the pipe network, when a closed type spray head does not burst, the system is converted from a dry type to a wet type system, and is simultaneously actuated by a pressure switch 8 and a hydraulic alarm bell 9, sound and light alarm is started, the inside of the pipe network is full of water source, and at the moment, as long as the closed type spray head bursts due to the rise of the temperature of the fire disaster, the automatic water spraying fire extinguishing device can be realized. After the conflagration takes place, the fire automatic alarm detector reports to the police and begins, drenches valve 1 to the diaphragm type and opens, fills water to the pipe network, becomes this a period of time of wet-type pipe network with dry-type pipe network, is called the preaction time, and in this time, can organize personnel to rush to the scene of fire and fight a fire, and the closed shower nozzle can not burst, has avoided the loss that the water stain caused.
In the description of the invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the invention.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the invention is understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a conflagration preaction alarm device, includes that diaphragm type drenches valve (1) and wet alarm valve (2), the bottom of diaphragm type drenches valve (1) is intake and is held and the top play water end of wet alarm valve (2) is equallyd divide and do not is provided with into water butterfly valve (3) and play water butterfly valve (4), its characterized in that: the diaphragm type deluge valve (1) is provided with a water supply side channel (101) and a system side channel (102), a valve port (103) is formed between the water supply side channel (101) and the system side channel (102), a diaphragm sealing gasket (104) is arranged on the right side of the valve port (103), a valve group control cavity (105) is formed between the diaphragm sealing gasket (104) and the right side of the diaphragm type deluge valve (1), and an elastic reset piece (106) capable of enabling the diaphragm sealing gasket (104) to cover the valve port (103) in a sealing mode is arranged between the diaphragm sealing gasket (104) and the wall of the valve group control cavity (105);
the water supply side channel (101) and the right side interface of the system side channel (102) are respectively connected with a test alarm water outlet pipe (5) and a pre-alarm water outlet pipe (6), the test alarm water outlet pipe (5) and the pre-alarm water outlet pipe (6) are jointly connected to an alarm collecting pipe (7), and the top end of the alarm collecting pipe (7) is provided with a pressure switch (8) and a hydraulic alarm bell (9);
a drain pipe (10) is connected to a left interface of the system side channel (102), a drain ball valve (11) is installed at the tail end of the drain pipe (10), a water supply pipe (12) is connected to a left interface of the water supply side channel (101), the water supply pipe (12) is connected with a first water supply branch pipe (13) and a second water supply branch pipe (14) in a shunting manner, a water supply pressure gauge (15) and a water supply isolation ball valve (15) are sequentially installed on the first water supply branch pipe (13), a first membrane cavity pipe (17) and a second membrane cavity pipe (18) are sequentially installed on the second water supply branch pipe (14), a reset ball valve (19) is arranged between the first membrane cavity pipe (17) and the second membrane cavity pipe (18), and an electromagnetic pressure release valve (20) and a manual pressure release valve (21) are installed at the tail end of the second water supply branch pipe (14) in a shunting manner;
a drain pipe (22) is connected to a left side interface of the wet alarm valve (2), the first water supply branch pipe (13) is connected to the middle part of the drain pipe (22), and a drain ball valve (23) is installed at the tail end of the drain pipe (22);
a testing alarm ball valve (24) and a pre-alarm ball valve (25) are respectively arranged on the testing alarm water outlet pipe (5) and the pre-alarm water outlet pipe (6);
the second membrane cavity pipe (18) is provided with an anti-return valve (29);
the alarm collecting pipe (7) and the first membrane cavity pipe (17) are both provided with a Y-shaped filter (31);
the right side of wet-type alarm valve (2) is connected with gas tube (26), install inflation control ball valve (27) on gas tube (26), system barometer (30) are installed to the end of gas tube (26).
2. A fire preaction warning unit according to claim 1, characterised in that: and a die cavity pressure gauge (28) is arranged on the front side of the die cavity of the diaphragm type deluge valve (1).
3. A fire preaction warning unit according to claim 1, characterised in that: and the signal input end of the electromagnetic pressure relief valve is electrically connected with the signal output end of an external alarm controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010020275.7A CN111135517B (en) | 2020-01-09 | 2020-01-09 | Fire pre-action alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010020275.7A CN111135517B (en) | 2020-01-09 | 2020-01-09 | Fire pre-action alarm device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111135517A CN111135517A (en) | 2020-05-12 |
| CN111135517B true CN111135517B (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010020275.7A Active CN111135517B (en) | 2020-01-09 | 2020-01-09 | Fire pre-action alarm device |
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| Country | Link |
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| CN (1) | CN111135517B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114681853B (en) * | 2022-03-04 | 2023-02-03 | 华能核能技术研究院有限公司 | Diaphragm type deluge valve group of piping modularization |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203169886U (en) * | 2013-04-23 | 2013-09-04 | 中国长江电力股份有限公司 | Hydraulic pressure reset diaphragm type deluge valve |
| CN104069595B (en) * | 2014-06-11 | 2017-01-18 | 浙江恒安消防安全设备有限公司 | Fire pre-acting alarm assisted escape system |
| CN104771855A (en) * | 2015-04-07 | 2015-07-15 | 常景泓 | Repeated on/off preacting automatic water-spraying fire-extinguishing device |
| CN207520505U (en) * | 2017-11-18 | 2018-06-22 | 浙江瑞城消防设备有限公司 | Diaphragm type deluge alarm valve |
| CN208024941U (en) * | 2018-03-14 | 2018-10-30 | 泉州市声珈源消防设备有限公司 | A kind of preaction valve with spare fire-extinguishing function concurrently |
| KR101931691B1 (en) * | 2018-09-14 | 2018-12-21 | 주식회사 티지화이어 | Valve structure for preaction and deluge valve |
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2020
- 2020-01-09 CN CN202010020275.7A patent/CN111135517B/en active Active
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| CN111135517A (en) | 2020-05-12 |
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