CN201679415U - Reusable automatic pressure relief device - Google Patents
Reusable automatic pressure relief device Download PDFInfo
- Publication number
- CN201679415U CN201679415U CN2009201700034U CN200920170003U CN201679415U CN 201679415 U CN201679415 U CN 201679415U CN 2009201700034 U CN2009201700034 U CN 2009201700034U CN 200920170003 U CN200920170003 U CN 200920170003U CN 201679415 U CN201679415 U CN 201679415U
- Authority
- CN
- China
- Prior art keywords
- sash
- framework
- reusable automatic
- decompression device
- automatic decompression
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Building Environments (AREA)
Abstract
The utility model discloses a reusable automatic pressure relief device, which can automatically relieve hyperpressure gas in a protection area according to quantized pressure and is reusable. The reusable automatic pressure relief device comprises a frame and a window sash, wherein the frame and the window sash are connected through a hinge; the pressure relief device also comprises an electromagnetic lock, a silicon-steel sheet and a differential pressure switch, wherein the electromagnetic lock is arranged at the outer side of the crosspiece of the frame; the silicon-steel sheet is arranged at the inner side of the window sash; the silicon-steel sheet and the electromagnetic lock correspond with each other; the differential pressure switch is arranged on the frame; and the frame near the differential pressure switch is provided with a probe hole communicated with the outside.
Description
Technical field
The utility model relates to a kind of pressure relief device, especially a kind of can be according to the pressure that quantizes realize releasing the automatically pressure relief device of guard plot over-pressure gas or dust.
Background technology
Most existing buildings do not have the pressure-relief explosion-proof facility basically, even deposit the warehouse of combustible and explosive articles or the factory building of production combustible and explosive articles, special-purpose pressure-relief explosion-proof facility are not set yet.Chemistry and physical property blast, comprise the blast of fuel gas, dust and mixed gases, all can produce powerful impact wave moment, destroy building and property on every side, cause causing enormous economic loss and casualties, thereby necessaryly take positive active defensive measure and just in case help reducing the effective measures of destructive power when blasting accident.
" Code for fire protection design of buildings " be also clear and definite regulation (GB50016-2006), has the positions such as first, Class B factory building, warehouse of explosion danger that pressure relief device should be set.
In the gas extinguishing system design and construction, we often also ignore factors such as relevant pressure relief device enclosed structure.Pressure relief device is the device of the regional air pressure of control fire extinguishing, and it is the key of decision gas extinguishing system fire extinguishing success or not.For example, in the carbon dioxide fire extinguishing system, design concentration is between 34%～62%; In IG-541 mist fire extinguishing system, extinguishing concentration is between 37.5%～42.8%.High volume design concentration like this, as if the guard plot that medicament is sprayed into a complete closed, the increase of pressure can be to destroy whole space enclosing structure in the guard plot.
" gas extinguishing system design specifications " (GB50370-2005), " Code for design of carbon dioxide fire extingusishing systems " corresponding regulation and stipulation such as (GB50193-93), be provided with the place of gas extinguishing system, pressure relief opening all should be set, and should be located on the exterior wall, its height should be greater than 2/3 of guard plot clear height.The pressure relief opening area should calculate by corresponding gas extinguishing system design code.
How to keep the certain extinguishing concentration in fire extinguishing zone and protect space enclosing structure to exempt from destruction, and then improve the safety and the reliability of gas extinguishing system, this is a problem of exist actually.
The utility model content
Technical problem to be solved in the utility model provides a kind of reusable automatic decompression device, can be according to the pressure that quantizes realize releasing automatically over-pressure gas in the guard plot, dust etc., and can reuse.
In order to solve above technical problem, the utility model provides following technical scheme:
The utility model provides a kind of reusable automatic decompression device, comprise framework and sash, wherein, framework and sash are connected through the hinge, described pressure relief device also comprises electromagnetic lock, silicon steel sheet and pressure difference switch, and wherein, electromagnetic lock is installed in the strut rail outside of framework, silicon steel sheet is installed in the inboard of sash, and silicon steel sheet is corresponding mutually with the position of electromagnetic lock; Pressure difference switch is installed on the framework, is being provided with an exploration hole outside the communication chamber near on the framework of pressure difference switch.
The reusable automatic decompression device that the utility model adopts, when guard plot and outdoor pressure reduction reach setting value, pressure difference switch disconnects, disconnect electromagnetic lock, sash is opened, release out over-pressure gas or dust in the guard plot are avoided space enclosing structures such as building masonry wall, door, window, glass to wreck and are caused the fire extinguishing failure; When the pressure reduction in the guard plot drops to setting value when following, the pressure difference switch closure, the connection electromagnetic lock, the sash closure is kept the extinguishing concentration of extinguishing chemical in the guard plot, makes it reach certain fire extinguishing dip time, and fire is in time put out.In addition, pressure relief device of the present utility model can be reused in pressure leak process, thereby has reduced the pressure release cost.
Description of drawings
Fig. 1 is the total structure schematic diagram of the utility model one embodiment;
Fig. 2 is the A-A sectional view among Fig. 1;
Fig. 3 is the B-B sectional view among Fig. 1;
Fig. 4 is the installment state schematic diagram of the utility model one embodiment.
Fig. 5 is the utility model one inner electric equipment wiring schematic diagram.
Accompanying drawing part symbol description:
1 framework, 2 sash
3 electromagnetic locks, 4 silicon steel sheets
5 pressure reduction exploration holes, 6 access hole
7 pressure difference switches, 8 wiring terminals
The 12 insulation casting resins of 11 sash inside casings
13 hinges, 14 weather strips
15 blend stops, 16 stators
17 nailings, 18 building structure parts
The specific embodiment
As Fig. 1, it is the total structure schematic diagram of the utility model embodiment.Pressure relief device of the present utility model comprises framework 1, sash 2, electromagnetic lock 3, silicon steel sheet 4, pressure difference switch 7, wherein, electromagnetic lock 3 is installed in the strut rail outside of framework 1, silicon steel sheet 4 is installed in the inboard of sash 2, electromagnetic lock 3 with the position corresponding mutually, pressure difference switch 7 is installed on the framework 1, pressure difference switch 7 is that a pressure is surveyed executing agency, it is by wiring terminal 8 control electromagnetic locks 3, near pressure difference switch 7 framework 1 on be provided with an exploration hole 5 outside the communication chamber, the effect of exploration hole 5 is to make pressure difference switch 7 detecting chamber external pressure constantly, thereby moves according to indoor and outdoor pressure reduction.Further, the utility model can be provided with access hole 6 on framework 1, for example be arranged on the lower right corner of framework 1 inboard, and pressure difference switch 7 is built in the access hole 6 with wiring terminal 8.In this case, also be provided with the exploration hole 5 in the communication chamber on the framework 1 at access hole 6 places, pressure difference switch 7 is outer and indoor two exploration holes, 5 (see figure 2) detecting chamber inside and outside differential pressures by the difference communication chamber.
As Fig. 2,3, it is respectively A-A sectional view and B-B sectional view among Fig. 1.
The main body of pressure relief device framework 1 of the present utility model is the hollow frame shape, preferentially selects for use the rigid metal section bar system of enclosing to form.
The main body of sash 2 of the present utility model can comprise interior sash face 9, exterior window covering of the fan 10, sash inside casing 11 and insulation casting resin 12, interior sash face 9 and exterior window covering of the fan 10 preferential aluminium alloy plate, corrosion resistant plate, galvanized iron sheet or the glass wool boards etc. of adopting, sash inside casing 11 preferential aluminium alloys or the stainless steels of adopting.Wherein, sash inside casing 11 is the frame face on every side of sash 2, and interior sash face 9 and exterior window covering of the fan 10 are fixedly installed on the interior exterior angle side of frame face.In addition, internal insulation casting resin 12 is arranged in the inner space that is made of sash inside casing 11, interior sash face 9 and exterior window covering of the fan 10, preferentially selects for use the high density rock wool to fill the post of.
When sash 1 is composite construction (sash face 9, exterior window covering of the fan 10, sash inside casing 11 and insulation casting resin 12 in comprising), electromagnetic lock 3 is installed in the strut rail outside of housing 1, at the installed inside silicon steel sheet 4 of outer leaf face 10, electromagnetic lock 3 is corresponding mutually with the installation site of silicon steel sheet.For electromagnetic lock 3, must provide rated operational voltage to it by the external world is that DC24V, rated operational current are the power supply of 300mA, when electric current when the electromagnetic lock 3, electromagnetic lock 3 can produce strong suction tightly hold the effect that silicon steel sheet 4 reaches locking.In practical operation, when guard plot and outdoor pressure reduction reach setting value (when being generally 100Pa～5000Pa), pressure difference switch disconnects, electromagnetic lock disconnects because of outage and silicon steel sheet, sash is opened, release out over-pressure gas or dust in the guard plot are to avoid space enclosing structures such as building masonry wall, door, window, glass to wreck and to cause the fire extinguishing failure.When the pressure reduction in the guard plot drops to setting value when following, the pressure difference switch closure, electromagnetic lock tightly holds silicon steel sheet because of energising, and the sash closure is kept the extinguishing concentration of extinguishing chemical in the guard plot, makes it reach certain fire extinguishing dip time, and fire is in time put out.
On the mutual corresponding position in the outside of framework 1 (general on the strut rail relative) and the outside of exterior window covering of the fan 10, hinge 13 is set, hinge 13 preferred stainless steel hinges with the strut rail at electromagnetic lock 3 places.Under the connection of hinge 13, sash 2 is just opened in the mode that departs from when pressure release, generally speaking can be not impaired, neither can break away from the pressure relief device framework, also can not threaten, and sash 2 can reuse, thereby save cost property and personnel component on every side.
In addition, between interior sash face 9 and sash inside casing 11, weather strip 14 is set, improves the sealing of sash 2 self.
So pressure relief device housing 1 is to be connected by hinge 13 assembling activity with sash 2, and realize the locking of sealing by weather strip 14 and electromagnetic lock 3 and silicon steel sheet 4.
As Fig. 4, it is the installment state schematic diagram of the utility model one embodiment.The pressure relief device framework is fixed on the wall of building by dedicated fixed sheet 16 and nailing 17, and the surface of building structure part 18 is floating with concrete.
As Fig. 5, it is the utility model one inner electric equipment wiring schematic diagram.In normal operation, the external DC24V power supply of pressure relief device is linked into the constant close contact of pressure difference switch 7 and the constant close contact of electromagnetic lock 3.The pressure difference that detects when pressure reduction exploration hole 5 reaches the setting value of pressure difference switch 7, and (when being generally 100Pa～5000Pa), pressure difference switch 7 is transformed into constant open contact by constant close contact, causes electromagnetic lock 3 dead electricity, and the sash of pressure relief device is opened; In like manner, the pressure difference that detects when pressure reduction exploration hole 5 returns to the setting value of pressure difference switch 7, and (when being generally 10Pa～100Pa), pressure difference switch 7 is transformed into constant close contact by constant open contact, causes electromagnetic lock 3, the sash closure of pressure relief device realizes automatically reseting of pressure relief device.
, can understand the utility model and set forth its operating principle, but this does not constitute content constraints of the present utility model the specific descriptions of the present utility model from above by a preferred embodiment.Variation or impartial variation that person skilled in the art do according to the notion that the utility model disclosed are all within protection domain of the present utility model.
Claims (10)
1. reusable automatic decompression device, comprise framework and sash, wherein, framework and sash are connected through the hinge, and it is characterized in that, described pressure relief device also comprises electromagnetic lock, silicon steel sheet and pressure difference switch, wherein, electromagnetic lock is installed in the strut rail outside of framework, and silicon steel sheet is installed in the inboard of sash, and silicon steel sheet is corresponding mutually with the position of electromagnetic lock; Pressure difference switch is installed on the framework, is being provided with an exploration hole outside the communication chamber near on the framework of pressure difference switch.
2. reusable automatic decompression device as claimed in claim 1, it is characterized in that, described sash comprises interior sash face, exterior window covering of the fan, sash inside casing and insulation casting resin, interior sash face and exterior window covering of the fan are fixed on the sash inside casing, and the insulation casting resin is arranged in the inner space that is made of sash inside casing, interior sash face and exterior window covering of the fan.
3. reusable automatic decompression device as claimed in claim 1 is characterized in that, is provided with access hole on described framework, and pressure difference switch is built in the access hole, is provided with an exploration hole in the communication chamber on the framework at access hole place.
4. reusable automatic decompression device as claimed in claim 2 is characterized in that, is provided with weather strip between sash face and the sash inside casing in described.
5. reusable automatic decompression device as claimed in claim 2 is characterized in that pressure difference switch is controlled electromagnetic lock by wiring terminal.
6. reusable automatic decompression device as claimed in claim 1 is characterized in that, described framework uses the rigid metal section bar system of enclosing to form.
7. reusable automatic decompression device as claimed in claim 2 is characterized in that, described interior sash face adopts aluminium alloy plate, corrosion resistant plate, galvanized iron sheet or glass wool board.
8. reusable automatic decompression device as claimed in claim 2 is characterized in that, described exterior window covering of the fan adopts aluminium alloy plate, corrosion resistant plate, galvanized iron sheet or glass wool board.
9. reusable automatic decompression device as claimed in claim 2 is characterized in that, described sash inside casing adopts aluminium alloys or stainless steel.
10. reusable automatic decompression device as claimed in claim 2 is characterized in that, described insulation casting resin is the high density rock wool.
11.?
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201700034U CN201679415U (en) | 2009-07-30 | 2009-07-30 | Reusable automatic pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201700034U CN201679415U (en) | 2009-07-30 | 2009-07-30 | Reusable automatic pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201679415U true CN201679415U (en) | 2010-12-22 |
Family
ID=43344464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201700034U Expired - Fee Related CN201679415U (en) | 2009-07-30 | 2009-07-30 | Reusable automatic pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201679415U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589102A (en) * | 2011-01-06 | 2012-07-18 | 金真洙 | Air door device for overpressure air exhaust of pressurized smoke control system |
| CN101988367B (en) * | 2009-07-30 | 2012-08-22 | 李宝龄 | Reusable automatic pressure relief device |
-
2009
- 2009-07-30 CN CN2009201700034U patent/CN201679415U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988367B (en) * | 2009-07-30 | 2012-08-22 | 李宝龄 | Reusable automatic pressure relief device |
| CN102589102A (en) * | 2011-01-06 | 2012-07-18 | 金真洙 | Air door device for overpressure air exhaust of pressurized smoke control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11274464B2 (en) | Fragment-, overpressure-, radiation-, and toxic-resistant emergency safety shelter | |
| CN201137435Y (en) | Pressure relief window capable of indoor explosion destructive power | |
| CN205348922U (en) | Portable antiknock sanctuary | |
| CN201679415U (en) | Reusable automatic pressure relief device | |
| CN106877202A (en) | A kind of automatic lock gate closure type safety distribution control box | |
| CN105442898A (en) | Movable anti-exploration refuge | |
| CN101988367B (en) | Reusable automatic pressure relief device | |
| CN201027401Y (en) | Cycle operation type explosion venting device | |
| CN207092890U (en) | A kind of smart home fire resistant doorsets | |
| CN207813421U (en) | A kind of double-open type has the fire resistant doorsets of perspective structure | |
| CN208718547U (en) | Europe superscript fire resistance steel door | |
| CN205677284U (en) | One has hedging functional activity house | |
| CN214659765U (en) | Steel fireproof door | |
| CN213898729U (en) | Waterproof fireproof smoke-proof cultural relic warehouse door | |
| CN204760764U (en) | Block terminal of can reporting to police | |
| CN204081613U (en) | The anti-probably anti-riot emergent protection room of field, oil field standard | |
| CN206625755U (en) | Multifunctional protective door | |
| CN112482956A (en) | Steel fireproof door | |
| CN111870855A (en) | Fire hydrant box and arrangement method of fire-fighting equipment in fire hydrant box | |
| CN200985713Y (en) | Stainless steel tube extend stack or shrink type sliding window reinforcement device | |
| CN218386270U (en) | Early warning device that electric power engineering used | |
| CN212689865U (en) | Fireproof door capable of preventing smoke from penetrating | |
| CN219863500U (en) | Detachable partition wall structure of underground main transformer room | |
| CN212332402U (en) | Integrated box type charging station and control system | |
| CN221144130U (en) | Wind-proof reinforced window for transformer substation building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20160730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |