CN205948258U - Dry powder fire extinguishing apparatus's release control system - Google Patents
Dry powder fire extinguishing apparatus's release control system Download PDFInfo
- Publication number
- CN205948258U CN205948258U CN201620872054.1U CN201620872054U CN205948258U CN 205948258 U CN205948258 U CN 205948258U CN 201620872054 U CN201620872054 U CN 201620872054U CN 205948258 U CN205948258 U CN 205948258U
- Authority
- CN
- China
- Prior art keywords
- release
- dry powder
- pressure
- parallel
- relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a dry powder fire extinguishing apparatus's release control system, including system startup module parallelly connected mutually, release startup module and release control module, system startup module has parallelly connected mutually first relay and the start bottle of system solenoid valve, and a series connection on the road at system start bottle solenoid valve place has the normally open switch of first relay, release startup module includes electric contact pressure unit, dry powder release solenoid valve and second relay, and this dry powder release solenoid valve and second relay are parallelly connected mutually, and the make contact of electric contact pressure unit and second relay is parallelly connected mutually to this two parallel branch establishes ties mutually, the release control module has pressure switch, normally open solenoid valve and normally -closed solenoid valves, and this normally open solenoid valve and normally -closed solenoid valves are parallelly connected mutually to establish ties with pressure switch mutually. The utility model discloses reaching accurate control and keeping dry powder storage tank release pressure's invariant, dry powder sprays the equilibrium, improves fire control effect.
Description
Technical field
This utility model is related to fire-extinguishing apparatus technical field, specifically refers to a kind of release control system of dry-chemical fire extinguishing equipment
System.
Background technology
Existing powder extinguishing system, its system mainly includes dry powder can, high-pressure nitrogen bottle and nitrogen and starts bottle, by nitrogen
Start bottle and start high-pressure nitrogen bottle, high-pressure nitrogen bottle is opened, and gases at high pressure are filled with dry powder can via discharge, realizes going out
Fiery agent release sprays.Air pressure control in dry powder can in work is very crucial, crosses hyperbar and the safety such as tank body blast can be caused hidden
Suffer from.Currently for this problem, the safeguard procedures taken are to install related anti-explosion mechanism on dry powder can, when dry powder can is detected
During interior hypertonia, anti-explosion mechanism automatically turns on release pressure inside the tank.Take this safeguard procedures impracticable, when error starting occurs
Or during release outlet obstruction, gas release can not be closed, and cause significant wastage, also do not have fire extinguishing function, all can cause weight
Big loss.
Have with the powder extinguishing system (referring to application number 201510648443.6) stopping in emergency at present, by electricity
Gas control system makes the gas in gas cylinder be capable of emergency cut-off during being discharged into dry powder can, the high pressure gas in discharge
Body can not enter dry powder can within the time setting, and can not exclude emergency and be necessary for gas cylinder within the time setting
Interior gas is discharged.This kind of mode haves such problems as that complex structure, high cost, workload are numerous and diverse, and more crucial is risen real
Protection significance is little.
In consideration of it, this case is furtherd investigate to the problems referred to above, develop a kind of dry with fire extinguishing release control device
Powder fire-extinguishing apparatus, on this basis, the utility model proposes a kind of release control system of corresponding dry-chemical fire extinguishing equipment, this case
Thus produce.
Utility model content
The purpose of this utility model is to provide a kind of release control system of dry-chemical fire extinguishing equipment, reaches and is precisely controlled simultaneously
Keep dry powder storage tank to discharge the constant of pressure, dry powder sprays equilibrium, improve extinguishing effect.
In order to reach above-mentioned purpose, solution of the present utility model is：
A kind of release control system of dry-chemical fire extinguishing equipment, includes the system start-up module being in parallel, release starts mould
Block and release control module；System start-up module has the first relay being in parallel and system start-up bottle electromagnetic valve, and system opens
The normal open switch of the first relay is in series with the branch road that dynamic bottle electromagnetic valve is located；Release starting module includes electric contact pressure list
Unit, dry powder release electromagnetic valve and the second relay, this dry powder release electromagnetic valve and the second relay are in parallel, electric contact pressure list
The moving together contact of unit and the second relay is in parallel, and this two parallel branch is in series；Release control module has pressure and opens
Pass, normally open solenoid valve and normally closed solenoid valve, this normally open solenoid valve and normally closed solenoid valve are in parallel and are in series with pressure switch.
The pressure identification value of described electric contact pressure unit is slightly below the pressure identification value of pressure switch.
The pressure identification value of described electric contact pressure unit is set to 1.1Mpa, and the pressure identification value of pressure switch is set to
1.2Mpa.
Described electric contact pressure unit has two groups of parallel connection.
Described release control system also includes division module, and this division module has 2-N area's unit being arranged in parallel,
Each area's unit includes auxiliary reclay and subregion electromagnetic valve；Each area's unit, auxiliary reclay and other all areas units
The normally closed switch of auxiliary reclay be in series, subregion electromagnetic valve is in series with the normal open switch of auxiliary reclay, and this two
Series arm is in parallel.
Each area's unit described also includes the area's release threshold switch being in series with corresponding auxiliary reclay, this area's relief valve
The two ends of switch are parallel with the moving together contact of corresponding auxiliary reclay；One end of first relay is divided into N bar branch road and one by one
It is correspondingly connected between the auxiliary reclay of each area's unit and area's release threshold switch.
The two ends of described system start-up bottle electromagnetic valve are parallel with audible-visual annunciator and display lamp.
Described dry powder discharges electromagnetic valve and the two ends of subregion electromagnetic valve are all parallel with display lamp.
After such scheme, a kind of release control system of this utility model dry-chemical fire extinguishing equipment, with respect to existing skill
The having the beneficial effects that of art：During system start-up work, system start-up module is connected, and high-pressure gas cylinder is inflated toward dry powder storage tank, electricity
Contact pressure unit and the blowing pressure of pressure switch detection dry powder storage tank, when the blowing pressure reaches setting value, electric contact pressure
Unit closes, and dry powder release electromagnetic valve is opened, and dry powder spurts along conveyance conduit to protection zone, implements fire extinguishing.Pressure switch closes,
Pressure signal makes normally open solenoid valve close, and cut-out starts bottle gas and supplies gas to gas storage high-pressure cylinder, and normally closed solenoid valve is opened, release
Gas cylinder upper container valve piston room gas, container value piston chamber decompression resets, and closes gas cylinder gas, stops storing up to dry powder
Tank is inflated.When spurting dry powder in dry powder storage tank to protection zone, dry powder tank inner pressure declines, and pressure switch signal turns off, often
Open, normally closed solenoid valve resets, system recovery inflated condition, thus reach control and keep dry powder storage tank discharge pressure constant and
Trouble free service, makes dry powder spray equilibrium, improves extinguishing effect.Pass through further to design the pressure identification value of electric contact pressure unit
The pressure identification value of slightly below pressure switch, to reach the steady and smooth spurting dry powder, it is to avoid pause and the phenomenon such as has some setbacks, is
Dry powder sprays equilibrium and extinguishing effect brings very big benifit.
Brief description
Fig. 1 be the corresponding dry-chemical fire extinguishing equipment of this utility model structural representation；
Fig. 2 is the structural representation of the release control device part of Fig. 1；
Fig. 3 is the structural representation of the dry powder tanks portion of Fig. 1；
Fig. 4 is the circuit theory diagrams of utility model release control system.
Label declaration
System start-up bottle 1 starts pipeline 11
Open and send pipeline 12 high-pressure gas cylinder 2
Container value 21 release control device 3
Normally open solenoid valve 31 normally closed solenoid valve 32
Dry powder release signal line 33 discharge duct 34
Dry powder storage tank 4 electric contact pressure unit 41
Gas tube 52 on discharge 51
Lower gas tube 53 annular is confluxed isocon 531
The dry powder release of anti-powder plugging road 532 starts bottle 61
Conversion electromagnetic valve 62 dry powder relief valve 63
System start-up module 71 discharges starting module 72
Release control module 73 division module 74.
Specific embodiment
With reference to the accompanying drawings and detailed description this case is described in further detail.
It is illustrated in figure 4 a kind of release control system of dry-chemical fire extinguishing equipment that this case is related to.Here first elaborates the back of the body
The mentioned dry-chemical fire extinguishing equipment with fire extinguishing release control device in scape technology.
Dry-chemical fire extinguishing equipment with fire extinguishing release control device, as Figure 1-3, includes system start-up bottle 1, high pressure
Gas bomb 2, release control device 3 and dry powder storage tank 4.High-pressure gas cylinder 2 connects dry powder storage tank 4 by discharge 51.Release control
Device 3 processed is connected between system start-up bottle 1 and high-pressure gas cylinder 2.
Release control device 3 is as shown in Fig. 2 include normally open solenoid valve 31, normally closed solenoid valve 32, and it is normally opened to connect this
Electromagnetic valve 31, the dry powder release signal line 33 of normally closed solenoid valve 32.The signal of this dry powder release signal line 33 takes from dry powder storage tank
The blowing pressure signal, specifically, dry powder release signal line 33 is pressure switch from dry powder storage tank or anti-explosion electric connects
Point pressure table pulls out.
Normally open solenoid valve 31 and normally closed solenoid valve 32 are in series and connect, and system start-up bottle 1 is connected normally opened by startup pipeline 11
Electromagnetic valve 31, high-pressure gas cylinder 2 passes through to open and send pipeline 12 to connect between normally open solenoid valve 31 and normally closed solenoid valve 32, specifically
, open and send the rear end of pipeline 12 to be connected with the container value 21 of high-pressure gas cylinder 2, open and send the front end of pipeline 12 to connect to normally opened electromagnetism
Between valve 31 and normally closed solenoid valve 32.Described container value 21 specifically adopts the positive-pressure type sealing container valve (ginseng of the applicant's research and development
See patent No. CN200720006174.4).Generally, high-pressure gas cylinder 2 is provided with arranged side by side multigroup, then open and send pipeline 12 to have one by one
Corresponding multigroup parallel branch.Preferably, in order to beneficial to aerofluxuss, normally closed solenoid valve 32 be also associated with discharge duct 34, aerofluxuss
It is specially the piston interior gas exhaust of container value 21.
When dry-chemical fire extinguishing equipment with fire extinguishing release control device works, normally opened, normally closed solenoid valve 31/32 control letter
Number take from the blowing pressure signal of dry powder storage tank 4, when the blowing pressure reaches setting value (usually 1.2MPa), dry powder storage tank 4
Dry powder relief valve is opened, and dry powder spurts along conveyance conduit to protection zone, implements fire extinguishing.Meanwhile, pressure signal makes normally open solenoid valve
31 closings, cutting system starts bottle 1 gas and supplies gas to high-pressure gas cylinder 2, and normally closed solenoid valve 32 is opened, by normally closed solenoid valve 32
Discharge high-pressure gas cylinder 2 upper container valve 21 piston chamber's gas with discharge duct 34, container value 21 piston chamber's decompression resets, and closes high
Pressure gas bomb 2 gas, stops inflating to dry powder storage tank 4.When dry powder storage tank 4 spurts dry powder to protection zone, dry powder storage tank 4 is intrinsic pressure
Power declines, and pressure switch (explosion-proof electro connecting pressure gauge) signal turns off, and normally opened, normally closed solenoid valve 31/32 resets, and system recovery fills
Gaseity.Dry powder storage tank 4 can be kept to discharge the constant of pressure by the Stress control of dry powder release signal line 33, so that dry powder is sprayed
Equilibrium, improves extinguishing effect.
Dry-chemical fire extinguishing equipment innovative design with fire extinguishing release control device is：
One, normally opened, normally closed solenoid valve is arranged on gas control pipeline, and the latus rectum of gas control pipeline is less (only 4mm), corresponding gas control
Pressure little (only 6MPa), not only controls simply reliable, and required electromagnetic valve cost is not high, low cost.Prior art, electricity
Magnet valve is arranged on discharge, the pressure 13-15MPa in high-pressure gas cylinder, and after release, the pressure of discharge is not less than 10-
12MPa, electromagnetic valve must adopt high-pressure solenoid valve, and electromagnetic valve is arranged on discharge, discharge latus rectum larger (about 50mm), electricity
The latus rectum of magnet valve can not be less than the latus rectum of discharge, high cost expensive in this required high pressure big orifice electromagnetic valve, and
It is also more complicated unreliable to control.
Two, control principle is directly the gas of high-pressure gas cylinder to be closed, and the gas of release is that container value piston is indoor
Very small amount gas, do not result in gas and waste, and keep whole fire extinguishing system to be closed.In prior art, lead to
Begin to after often 10-20 second pressurising time of dry powder storage tank discharge, when needing emergent stopping, dry powder storage tank has been charged into necessarily
Pressure, and powder system is once start, and the gas of gas cylinder can not close, and system is again started up must be in the time setting
Interior, otherwise by being arranged on discharge normally closed solenoid valve, gas will all be drained, and cause gas to waste.
3rd, it is high-pressure gas cylinder control from source, system start stop operation is simple, unrestricted, does not increase any work
Measure.Prior art, principle is that the gas stopping gas cylinder when there is emergency is inflated to dry powder storage tank, because of inflationtime
Very short release pressure of arriving, therefore stops inflation manually and has little significance as a kind of protective measure, and fire extinguishing system work again
Work need to be dismantled high-pressure gas steel cylinder and again fill gas, and workload is numerous and diverse.
Preferably, described discharge 51 is provided with pressure regulation air relief valve or pressure reductor structure.It is commonly designed middle discharge
51 need the pressure regulation air relief valve installing some strength realizing decompressing effect.However, the innovative design base in release control device 3
On plinth, pressure regulation air relief valve herein can be replaced by simple pressure reductor, simplifies structure simultaneously cost-effective.
Further, the dry powder in usual dry powder storage tank 4 is equipped with certain Large Copacity (accounting for the 60-70% of flask volume), dry powder stores up
The air intake of pipeline is spurted down near the bottom of dry powder storage tank 4, off position is to be embedded in dry powder in tank 4.Current
The airing form of dry powder storage tank has two kinds, a kind of top inflatable from dry powder storage tank 4, and another kind is to fill from the bottom of dry powder storage tank
Gas., only from the top inflatable of dry powder storage tank 4, there is not stifled powder problem in it for the first, but it drives the kinetic energy of gas not good, no
Only pressurization time is long, and the mixing of gas powder is extremely uneven, is hardly formed " boiling " phenomenon of powder extinguishing agent, and extinction using gas is imitated
Fruit is not good, powder extinguishing agent also can be caused easily to be deposited on and spurt on pipeline, make agent application access denial, powder extinguishing agent
Surplus ratio is high, and powder extinguishing agent utilization rate is low, and consumption is big.Second only from the bottom inflatable of dry powder storage tank 4, is easily pressurized, is in
The mixing of tumbling state gas powder is more uniform, yet with spurting the air intake of pipeline down near the bottom of dry powder storage tank 4, continues bottom
Portion's inflation causes necessarily to affect on the gas that enters spurting pipeline, equally affects extinguishing effect, equally exists the residue of powder extinguishing agent
Rate is high, and utilization rate is low, the big defect of consumption.
In this, the also design to dry powder storage tank 4 airing form, as Figure 2-3, powder extinguishing system also includes dry powder
Release starts bottle 61, conversion electromagnetic valve 62 and dry powder relief valve 63.The rear end branch of discharge 51 is connected with access dry powder storage tank 4
Upper gas tube 52 and lower gas tube 53.Conversion electromagnetic valve 62 is arranged at the position that discharge is connected with upper and lower gas tube,
I.e. conversion electromagnetic valve 62 is connected at the rear end of discharge 51 and the front position of upper and lower gas tube 52/53, dry powder relief valve
63 are connected to the spurting on pipeline of dry powder storage tank 4.
Electric contact pressure unit 41 on dry powder storage tank 4 pulls out dry powder release signal line and discharges to dry powder and starts bottle 61
On high-pressure solenoid valve, conversion electromagnetic valve 62 and dry powder relief valve 63, dry powder release start bottle 61 startup pipeline 611 connect to turn
Change on electromagnetic valve 62 and dry powder relief valve 63.It is also provided with pressure signal device on dry powder release signal line, play sending signal and make
With.
After fire extinguishing system startup work, inflated to dry powder storage tank 4 by lower gas tube 53 by discharge 51, work as the blowing pressure
Reach setting value, electric contact pressure unit 41 passes through the high-voltage electromagnetic that the release of dry powder release signal line traffic control dry powder starts bottle 61
Electricity on valve, conversion electromagnetic valve 62 and dry powder relief valve 63, is discharged from dry powder and starts bottle 61 to conversion electromagnetic valve 62 and dry powder release
Valve 63 is inflated, and realizes dry powder relief valve 63 and opens, conversion electromagnetic valve 62 is changed, and discharge 51 is transferred by upper gas tube 52 to dry powder
Storage tank 4 is inflated.Dry powder storage tank 4 gas replenishment process is the top two-step inflation again of first bottom, dexterously maximizes favourable factors and minimizes unfavourable ones, when reaching supercharging
Between short, gas powder mixing Quick uniform, the excellent effect of giving vent to anger, be finally reached splendid extinguishing effect.
Preferably, in order to lift effective aeration of upper gas tube 52, on this, gas tube 52 connects to dry powder storage tank 4
Top and the position away from this top center.Further, for the gas powder mixed effect strengthening lower gas tube 53, this lower gas tube 53
It is designed with annular to conflux isocon 531, this annular isocon 531 that confluxes passes through the three roads anti-powder plugging road 532 being evenly arranged even
It is connected on the bottom of dry powder storage tank 4.By three inflation inlets simultaneously toward homogenous charge in storage tank, reach efficient inflation and gas powder is equal
Effect of even mixing.
The release control system of this utility model dry-chemical fire extinguishing equipment, as shown in figure 4, include the system start-up being in parallel
Module 71, release starting module 72 and release control module 73.This each module is connected to electric cabinet power supply (DC24V) and is powered.
Below each module is illustrated.
System start-up module 71, has the first relay C4 being in parallel and system start-up bottle electromagnetic valve QDP1, and system opens
The normal open switch C4-1 of the first relay C4 is in series with the branch road that dynamic bottle electromagnetic valve QDP1 is located.
Release starting module 72, discharges electromagnetic valve QDP2 and the second relay C5 including electric contact pressure unit, dry powder.Dry
Powder release electromagnetic valve QDP2 and the second relay C5 is in parallel and is configured to a parallel branch, electric contact pressure unit and the second relay
Moving together contact C5-1 of device C5 is in parallel and is configured to a parallel branch, and this two parallel branch is in series.Preferably, in order to lift pressure
The accurate reliability of force signal transmission, described electric contact pressure unit is designed with two groups of parallel connection, reaches double insurance effect.
Electric contact pressure unit specifically can adopt electro connecting pressure gauge, the electro connecting pressure gauge K1 being in parallel as shown in Figure 4 and electricity
Contact pressure table K2.Dry powder discharges electromagnetic valve QDP2 correspondence and includes the high-pressure solenoid valve of described dry powder release startup bottle 61, turns
Change electromagnetic valve 62 and dry powder relief valve 63.
Release control module 73 has pressure switch K3, normally open solenoid valve DCFK and normally closed solenoid valve DCFB, this normally opened electricity
Magnet valve DCFK and normally closed solenoid valve DCFB is in parallel and is in series with pressure switch K3.
Preferably, pressure identification value (setting value) of electric contact pressure unit is set to the pressure of slightly below pressure switch K3
Identification value.The specific embodiment being given, the pressure identification value of electric contact pressure unit is set to 1.1Mpa, the pressure of pressure switch K3
Identification value is set to 1.2Mpa.
Preferably, release control system also includes division module 74, and this division module 74 has the 2-N being arranged in parallel
Area's unit, each area's unit includes auxiliary reclay C and subregion electromagnetic valve FQF；Each area's unit, auxiliary reclay and other
The normally closed switch of the auxiliary reclay of all areas unit is in series, the normal open switch phase string of subregion electromagnetic valve and auxiliary reclay
Join, and this two series arm is in parallel.As in the specific embodiment that is given, division module 74 has 3 areas being arranged in parallel
Unit, taking first area's unit as a example, the normally closed switch C2-2 of auxiliary reclay C1 and second, third auxiliary reclay C1/C2,
C3-2 is in series and is configured to a series arm, and the normal open switch C1-4 of subregion electromagnetic valve FQF1 and auxiliary reclay C1 is in series structure
Become a series arm, this two series arm is in parallel.Second area's unit and the 3rd area's unit are in the same manner.
Further, each area's unit also includes the area's release threshold switch being in series with corresponding auxiliary reclay, and this area releases
The two ends putting threshold switch are parallel with the moving together contact of corresponding auxiliary reclay., also include area's release taking first area's unit as a example
Threshold switch K4, this area release threshold switch K4 is in series with corresponding auxiliary reclay C1, and the two ends that this area discharges threshold switch K4 are in parallel
There is moving together contact C1-1 of corresponding auxiliary reclay C1.In the same manner, second area's unit corresponds to phase for second area's unit and the 3rd area's unit
Area release threshold switch K5 in parallel and moving together contact C2-1, area release threshold switch K6 and dynamic circuit connector that the 3rd area's unit correspondence is in parallel
Contact C3-1.Area's release threshold switch and moving together contact para-position manually and automatically both of which respectively, it is possible to achieve manually and automatically
Both of which operates.It is suitable to the design of this both of which, one end of corresponding first relay C4-1 is divided into (the corresponding enforcement of N bar branch road
Example has 3 branch roads), and each branch road auxiliary reclay and area's release threshold switch that connect one to one to each area's unit it
Between, that is, tie point connects to the auxiliary reclay C1 and area's release threshold switch K4 of first area's unit, and the second branch road connects
Discharge between threshold switch K5 to the auxiliary reclay C2 of second area's unit and area, the 3rd branch road connects to the centre of the 3rd area's unit
Between relay C3 and area's release threshold switch K6.
Preferably, the two ends in system start-up bottle electromagnetic valve QDP1 are parallel with audible-visual annunciator BJ and display lamp ZSD1.Separately
Outward, the two ends of dry powder release electromagnetic valve FQF and subregion electromagnetic valve QDP2 are all parallel with display lamp in the same manner.
During system start-up work, as a example lifting first area transmission the condition of a disaster, area one enabling signal starts, system start-up module 71
Connect, the normal open switch C4-1 closure of the first relay C4, system start-up bottle electromagnetic valve QDP1 opens, the appearance of high-pressure gas cylinder 2
Device valve 21 is opened realization and is inflated toward dry powder storage tank 4.Auxiliary reclay C1 conducting simultaneously, the normal open switch C1-4 of auxiliary reclay C1
Closure, subregion electromagnetic valve FQF1 opens.Electric contact pressure unit K1/K2 and pressure switch K3 all constantly detect dry powder storage tank 4
The blowing pressure, when the blowing pressure first reaches electric contact pressure unit K1/K2 identification value (1.1Mpa), electric contact pressure unit K1/
K2 closes, and dry powder release electromagnetic valve QDP2 opens, and spurts to protection zone along conveyance conduit in this dry powder, implements fire extinguishing.Second continues
Moving together contact C5-1 of electrical equipment C5 is connected, and keeps dry powder release electromagnetic valve QDP2 persistently to open, persistently implements to spurt fire extinguishing.
Afterwards, when the blowing pressure reaches pressure switch K3 identification value (1.2Mpa), pressure switch K3 closes, and pressure signal makes
Normally open solenoid valve DCFK closes, and cutting system starts bottle 1 gas and supplies gas to high-pressure gas steel cylinder 2, and normally closed solenoid valve DCFB opens,
Release high-pressure gas cylinder 2 upper container valve 21 piston chamber's gas, container value 21 piston chamber's decompression resets, and closes high-pressure gas cylinder 2 gas
Body, stops inflating to dry powder storage tank 4.When spurting dry powder in dry powder storage tank 4 to protection zone, pressure drop in dry powder storage tank 4, pressure
Power switch K3 signal turns off, and normally opened, normally closed solenoid valve DCFK/DCFB resets, and system recovery inflated condition thus reaches control simultaneously
Keep dry powder storage tank 4 to discharge the constant and trouble free service of pressure, make dry powder spray equilibrium, improve extinguishing effect.
In described work, great innovative significance is had by the different set that pressure identification is worth, it is to make whole system
Work a constant and smooth key point.If the two is set same identification value (common 1.2Mpa), now in dry powder
When release electromagnetic valve QDP2 opens, the inflation of dry powder storage tank 4 is connected after being cut off simultaneously again, spurts extinguishing chemical in this moment and occurs
Break, and it is non-constant to be easily caused system release pressure, on spraying equilibrium degree and extinguishing effect can bring impact.When
So, the pressure identification value of electric contact pressure unit nor set too low, one is detrimental to early stage spurts fire extinguishing, cause gas wave
Take, but also release control module can be affected and play the explosion-proof effect of safe pressure control.
The foregoing is only preferred embodiment of the present utility model, all with this utility model right done equal
Deng change and modification, the scope of this utility model claim all should be belonged to.
Claims (8)
1. a kind of release control system of dry-chemical fire extinguishing equipment it is characterised in that：Include the system start-up module being in parallel, release
Put starting module and release control module；System start-up module has the first relay being in parallel and system start-up bottle electromagnetism
Valve, the branch road that system start-up bottle electromagnetic valve is located is in series with the normal open switch of the first relay；Release starting module includes electricity
Contact pressure unit, dry powder release electromagnetic valve and the second relay, this dry powder release electromagnetic valve and the second relay are in parallel, electricity
The moving together contact of contact pressure unit and the second relay is in parallel, and this two parallel branch is in series；Release control module
There is pressure switch, normally open solenoid valve and normally closed solenoid valve, this normally open solenoid valve and normally closed solenoid valve are in parallel and are opened with pressure
Pass is in series.
2. as claimed in claim 1 a kind of release control system of dry-chemical fire extinguishing equipment it is characterised in that：Described electric contact pressure
The pressure identification value of power unit is slightly below the pressure identification value of pressure switch.
3. as claimed in claim 2 a kind of release control system of dry-chemical fire extinguishing equipment it is characterised in that：Described electric contact pressure
The pressure identification value of power unit is set to 1.1Mpa, and the pressure identification value of pressure switch is set to 1.2Mpa.
4. as claimed in claim 1 a kind of release control system of dry-chemical fire extinguishing equipment it is characterised in that：Described electric contact pressure
Power unit has two groups of parallel connection.
5. as claimed in claim 1 a kind of release control system of dry-chemical fire extinguishing equipment it is characterised in that：Described release control
System also includes division module, and this division module has 2-N area's unit being arranged in parallel, and each area's unit includes centre
Relay and subregion electromagnetic valve；Each area's unit, the normally closed of auxiliary reclay of auxiliary reclay and other all areas units is left
Pass is in series, and subregion electromagnetic valve is in series with the normal open switch of auxiliary reclay, and this two series arm is in parallel.
6. as claimed in claim 5 a kind of release control system of dry-chemical fire extinguishing equipment it is characterised in that：Each area described is single
Unit also includes the area's release threshold switch being in series with corresponding auxiliary reclay, and the two ends that this area discharges threshold switch are parallel with correspondence
The moving together contact of auxiliary reclay；One end of first relay is divided into N bar branch road and connects one to one to each area's unit
Auxiliary reclay and area release threshold switch between.
7. as claimed in claim 1 a kind of release control system of dry-chemical fire extinguishing equipment it is characterised in that：Described system start-up
The two ends of bottle electromagnetic valve are parallel with audible-visual annunciator and display lamp.
8. as claimed in claim 1 a kind of release control system of dry-chemical fire extinguishing equipment it is characterised in that：Described dry powder release
The two ends of electromagnetic valve and subregion electromagnetic valve are all parallel with display lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872054.1U CN205948258U (en) | 2016-08-12 | 2016-08-12 | Dry powder fire extinguishing apparatus's release control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872054.1U CN205948258U (en) | 2016-08-12 | 2016-08-12 | Dry powder fire extinguishing apparatus's release control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205948258U true CN205948258U (en) | 2017-02-15 |
Family
ID=57976213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620872054.1U Active CN205948258U (en) | 2016-08-12 | 2016-08-12 | Dry powder fire extinguishing apparatus's release control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205948258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106139493A (en) * | 2016-08-12 | 2016-11-23 | 福建天广消防有限公司 | A kind of release control system of dry-chemical fire extinguishing equipment |
-
2016
- 2016-08-12 CN CN201620872054.1U patent/CN205948258U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106139493A (en) * | 2016-08-12 | 2016-11-23 | 福建天广消防有限公司 | A kind of release control system of dry-chemical fire extinguishing equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106267659B (en) | A kind of standby pressure type Fire-extinguishing System of Septenary-Fluorine Propane | |
| CN202223801U (en) | Automatic cabinet-type fire fighting device | |
| CN206315390U (en) | One kind ensures that dry powder is sufficiently mixed fluidized Multifunctional dry powder fire extinguisher | |
| CN205948258U (en) | Dry powder fire extinguishing apparatus's release control system | |
| CN102109049A (en) | Bottle valve | |
| CN106139493A (en) | A kind of release control system of dry-chemical fire extinguishing equipment | |
| CN209221399U (en) | A kind of novel perfluoro hexanone combination distribution automatic control type fire extinguishing system | |
| CN205948251U (en) | Dry powder put out a fire release control device and dry powder fire extinguishing sys tem | |
| CN106139488A (en) | A kind of dry-chemical fire extinguishing release control device and powder extinguishing system | |
| CN204034106U (en) | Nuclear power station fire water distribution system | |
| CN103791230A (en) | Electrified intelligent gas supplement device and gas supplement method of electricity sulfur hexafluoride transformer | |
| CN201253444Y (en) | Water-spraying fire-extinguishing system | |
| KR20060087153A (en) | Pulverizing nozzle for two fluid | |
| CN206372432U (en) | A kind of gas extinguishing system for having a spare duct | |
| CN105148439A (en) | Dry powder extinguishing system with emergency shutdown function | |
| CN201500407U (en) | Foam spraying fire-extinguishing device | |
| CN115414620A (en) | Liquid nitrogen extinguishing device based on preaction system | |
| CN203743827U (en) | Charged intelligent gas supply device of power SF6 transformer | |
| CN208535558U (en) | A kind of heptafluoro-propane automatic filling machine | |
| CN203283091U (en) | Self-unloading system of powder material transportation vehicle | |
| CN205429559U (en) | SF6 looped netowrk cabinet online intelligent pressure increasing system | |
| CN205948255U (en) | Dry powder storage tank inflating pipeline device of putting out a fire | |
| CN205516089U (en) | Novel marine fast control of closing device | |
| CN220938865U (en) | Fire extinguisher | |
| CN205948249U (en) | Novel dry powder fire extinguishing sys tem |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |