CN106975190A - A kind of container value anti-leak switching device for Fire-extinguishing System of Septenary-Fluorine Propane - Google Patents
A kind of container value anti-leak switching device for Fire-extinguishing System of Septenary-Fluorine Propane Download PDFInfo
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- CN106975190A CN106975190A CN201710396581.9A CN201710396581A CN106975190A CN 106975190 A CN106975190 A CN 106975190A CN 201710396581 A CN201710396581 A CN 201710396581A CN 106975190 A CN106975190 A CN 106975190A
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- pressure balance
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- medicament
- container value
- fire
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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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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The present invention provides a kind of container value anti-leak switching device for Fire-extinguishing System of Septenary-Fluorine Propane, container value is provided with the medicament connected entrance for being used for connecting with heptafluoro-propane flask for medicinal preparations group, for the medicament spout with fire extinguishing system pipeline connection, for starting decompression to carry out the startup mouthful of medicament ejector, the pressure balance intracavitary of container value is provided with moveable pressure balance, pressure balance is provided with valve element damping hole for making when not actuated pressure balance block medicament connected entrance under air pressure balance effect, or decompression startup when towards start mouth at movement with open medicament connected entrance carry out medicament ejector, pressure balance intracavitary is at startup mouth side provided with stifled needle assemblies, moved after startup at the stifled needle assemblies of pressure balance direction, for preventing stifled needle assemblies to block valve element damping hole so that medicament at startup mouth from leaking.The present invention have the advantages that compact conformation, flexible to operation, highly versatile, safe, processing cost it is low, can effective anti-leak.
Description
Technical field
The present invention relates to a kind of container value anti-leak switching device of fire extinguishing system, and in particular to one kind is used for heptafluoro-propane
The container value anti-leak switching device of fire extinguishing system.
Background technology
In existing fire extinguishing system, heptafluoro-propane and gases at high pressure are mounted in flask for medicinal preparations group by Fire-extinguishing System of Septenary-Fluorine Propane,
Switching device is provided between flask for medicinal preparations group and fire extinguishing system pipeline.Switching device is provided with pressure balance chamber, and intracavitary is provided with removable
Pressure balance, pressure balance be provided with valve element damping hole.
When fire extinguishing system is not actuated, because the startup mouthful on switching device is sealed, made by valve element damping hole
With so that pressure balance blocks medicament connected entrance under air pressure balance effect.When occurring the condition of a fire, mouth is on, outside
Boundary is connected with pressure balance chamber so that intracavitary decompression, and pressure balance is moved under the pushed at high pressure in flask for medicinal preparations group, medicament
Connected entrance is no longer plugged so that heptafluoro-propane medicament is rapid under high pressure effect to be filled with fire extinguishing system pipeline from medicament connected entrance
Interior carry out extinguishing operation.
But it is due to start mouth, pressure balance chamber, valve element damping hole, medicament connected entrance to be sequentially communicated, so going out
During fire, a large amount of medicaments are had under high pressure effect, successively from medicament connected entrance, valve element damping hole, pressure balance chamber, startup
Mouth passes through, finally extraneous from mouth ejection is started, with following technical problem：
One is to cause medicament to waste and material loss；Pharmaceutical quantities and pressure in the two fire extinguishing system pipelines that have been indirect loss,
It has impact on fire extinguishing final effect；Three be the damage that scene is caused from the high pressure medicament for starting mouth ejection（The scene is not necessarily
Scene of fire）, and be possible to damage the personnel at scene and equipment.Four be that existing switching device is provided with different size, such as
Different pressure demands is caused using different pressure balance displacement, causes to be hindered using the valve element of different pore size size
Buddhist nun hole, and how for plurality of specifications switching device innovation and creation go out a kind of highly versatile, safe, processing cost it is low,
The anti-leak switching device device of strong operability, also as a urgent problem to be solved.
The content of the invention
The technical problem to be solved in the present invention is：The problem of existing for prior art is simple in construction tight there is provided one kind
Gather, flexible to operation, highly versatile, safe, processing cost are low, can the heptafluoro-propane that is used for of effectively anti-leak put out a fire system
The container value anti-leak switching device of system.
In order to solve the above technical problems, the present invention uses following technical scheme：
Set on a kind of container value anti-leak switching device for Fire-extinguishing System of Septenary-Fluorine Propane, including container value, the container value
Have for connected with heptafluoro-propane flask for medicinal preparations group medicament connected entrance, for the medicament spout with fire extinguishing system pipeline connection, use
In starting decompression to carry out the startup mouthful of medicament ejector, the pressure balance intracavitary of the container value is provided with moveable pressure balance
Valve element, the pressure balance is provided with valve element damping hole for making pressure balance in air pressure balance when not actuated
Medicament ejector is carried out to open medicament connected entrance towards movement at startup mouth when medicament connected entrance or decompression startup are blocked under effect,
The pressure balance intracavitary is provided with stifled needle assemblies at startup mouth side, the stifled pin group of pressure balance direction after startup
Moved at part, for preventing stifled needle assemblies to block valve element damping hole so that medicament at startup mouth from leaking.
As a further improvement on the present invention, the stifled needle assemblies include stifled pin and insertion starts the fixation of intraoral fixation
Seat, the fixed seat is fixed different provided with fixing hole, for being removably inserted into towards a side end of valve element damping hole
The stifled pin of specification, the fixed seat is provided with ventilation hole portion, for making startup mouthful be connected with pressure balance chamber to carry out startup mistake
Press operation.
As a further improvement on the present invention, the pressure balance intracavitary is provided with limit spring, the one of the limit spring
End is arranged on the outer circumference surface for being fixed on fixed seat, the other end of the limit spring withstand pressure balance valve core, for
Make pressure balance is spacing to block medicament connected entrance when not actuated；The fixed seat insertion starts to be offered on intraoral one end
Multiple times connected with main air channel are offered on the main air channel of one axial direction, the outer circumference surface of the other end of the fixed seat
Air channel, the extension extension of each described air channel opened up on to fixed seat towards a side end of valve element damping hole, with
Limit spring for making time air channel not be extruded upon start up is blocked.
As a further improvement on the present invention, one end diameter of the fixed seat is less than the other end, for being formed at middle part
Ring-type limiting table terrace intraoral is fixed so that fixed seat quick insertion is started.
As a further improvement on the present invention, a side end of the stifled pin is provided with the guide part of tip-like, for opening
Make in the insertion valve element damping hole of stifled pin fast accurate to block valve element damping hole when dynamic.
As a further improvement on the present invention, a side end of the stifled pin is provided with the bullet more than valve element damping hole aperture
Property sealing, for starting when elastomeric seal portions are extruded so that valve element damping hole to be blocked by pressure balance.
As a further improvement on the present invention, pressure is put down when at the startup mouth provided with seal membrane, for sealing
Weighing apparatus intracavitary keeps pressure balance/or punctures seal membrane startup decompression.
As a further improvement on the present invention, pressure balance is made when at the startup mouth provided with closure, for covering tightly
Intracavitary keeps pressure balance/or opens closure startup decompression.
Compared with prior art, the advantage of the invention is that：
1st, container value anti-leak switching device of the invention, by setting stifled needle assemblies in pressure balance intracavitary, was not both interfered with
Normal initiating task, can block valve element damping hole without leaking in the very first time again, do not result in medicament waste with
Material loses, pharmaceutical quantities and pressure that will not be in indirect loss fire extinguishing system pipeline, and fire extinguishing final effect has been effectively ensured.
2nd, container value anti-leak switching device of the invention, only need to set a stifled needle assemblies, without being filled to switch
Put this body structure to be modified, the mobile of pressure balance itself has been fully utilized and has been blocked, simple and compact for structure, processing
Cost is low, safe.
3rd, container value anti-leak switching device of the invention, can carry out placing different for the switching device of different size
Stifled needle assemblies, flexible to operation, highly versatile.
4th, container value anti-leak switching device of the invention, the particular design of fixed seat, can either effectively keep stifled pin
It is firm, will not occur the risk that device to hole is not in place and blocking fails, connect while startup mouth can be effectively ensured again with pressure balance chamber
It is logical, it is ensured that the very first time of switching device starts.Operating personnel can be directed to the switching device of different size simultaneously, only need to change
Stifled pin, reduce further cost, improves cross-species transferability, improve the efficiency of upkeep operation as defined in different, drop
It is low to safeguard the cost changed.
5th, container value anti-leak switching device of the invention, by setting limit spring, can act on phase with air pressure balance
Coordinate, pressure balance tightly spacing is further effectively ensured and blocks medicament connected entrance, it is to avoid just in case work as switching device
Make the risk that pressure balance 5 offsets during mobile or vibration.The main air channel special by setting and multiple times it is logical
Air drain is engaged, and outside air can be caused to rapidly enter pressure balance intracavitary formation decompression on startup, be effectively ensured and gone out
The quick startup of fiery system, improves fire-fighting efficiency.Meanwhile, secondary air channel is also particular design, and extinguishing operation has been effectively ensured
Continuous and effective carry out.
Brief description of the drawings
Fig. 1 is sectional structure principle schematic of the container value anti-leak switching device of the present invention when not actuated（Hide
Limit spring）.
Fig. 2 is sectional structure principle schematic of the container value anti-leak switching device of the present invention when having been turned on（Hide
Limit spring）.
Fig. 3 is sectional structure principle schematic of the container value anti-leak switching device of the present invention when not actuated（It is not hidden
Hide limit spring）.
Fig. 4 is sectional structure principle schematic of the container value anti-leak switching device of the present invention when having been turned on（It is not hidden
Hide limit spring）.
Fig. 5 is the stereochemical structure principle schematic of the fixed seat of the present invention.
Fig. 6 is the sectional structure principle schematic of the fixed seat of the present invention.
Marginal data：
1st, container value；11st, medicament connected entrance；12nd, medicament spout；13rd, mouth is started；14th, pressure balance chamber；15th, equilibrated valve
Core；151st, valve element damping hole；16th, limit spring；17th, pressure monitor mouthful；2nd, needle assemblies are blocked up；21st, pin is blocked up；22nd, fixed seat；221、
Fixing hole；222nd, main air channel；223rd, secondary air channel；224th, limiting stand terrace；3rd, seal membrane.
Embodiment
The present invention is described in further detail below in conjunction with specific embodiments and the drawings.
As shown in Figures 1 to 6, a kind of container value anti-leak switching device for Fire-extinguishing System of Septenary-Fluorine Propane, including hold
Device valve 1, container value 1 be provided be used for connected with heptafluoro-propane flask for medicinal preparations group medicament connected entrance 11, for fire extinguishing system pipe
The medicament spout 12 of road connection, for starting decompression to carry out the startup mouthfuls 13 of medicament ejector, the pressure balance chamber 14 of container value 1
Interior to be provided with moveable pressure balance 15, pressure balance 15 is provided with valve element damping hole 151 for not actuated
When make pressure balance 15 air pressure balance effect under block medicament connected entrance 11 or decompression startup when towards start mouth 13 at move
It is dynamic to carry out being provided with stifled needle assemblies in medicament ejector, pressure balance chamber 14 at startup mouth 13 side to open medicament connected entrance 11
2, pressure balance 15 is towards movement at stifled needle assemblies 2, for making stifled needle assemblies 2 block valve element damping hole 151 after startup
So that medicament can not be leaked from starting at mouth 13.Meanwhile, pressure monitor mouthful is provided with medicament connected entrance 11 in container value 1
17, pressure monitor mouthful 17 is used for external pressure gauge to monitor the pressure condition in heptafluoro-propane flask for medicinal preparations group in real time, decides whether
Carry out pressurization operation.Concrete principle is as follows：
When a fire, start mouth 13 to be opened startup so that pressure balance chamber 14 is in communication with the outside, now pressure balance chamber
Pressure is no longer balanced in 14, towards the startup side of mouth 13 under high pressure effect of the pressure balance 15 in heptafluoro-propane flask for medicinal preparations group
To movement, medicament connected entrance 11 is opened so that the medicament in heptafluoro-propane flask for medicinal preparations group is pushed by high pressure, and through medicament spout
12 push to progress ejecting extinguishing in fire extinguishing system pipeline.Also, start due to close in pressure balance chamber 14 at the side of mouth 13
Provided with stifled needle assemblies 2, when pressure balance 15 is towards when starting the movement of the direction of mouth 13, the pressure that needle assemblies 2 can will move to is blocked up
Valve element damping hole 151 on dynamic balance valve element 15 is blocked（As shown in Figure 2, Figure 4 shows.Limit spring 16 is hidden in Fig. 2）,
Now, the medicament of high-pressure injection can not be from valve element damping hole 151 to the startup direction spray leakage of mouth 13, and is merely able to all through medicine
Agent spout 12, which is pushed to, carries out ejecting extinguishing in fire extinguishing system pipeline.Special scientific design, has the following advantages that more than：
One is the container value anti-leak switching device of the present invention, by setting stifled needle assemblies 2 in pressure balance chamber 14, both will not
Normal initiating task is influenceed, valve element damping hole 151 can be blocked again without leaking in the very first time, not result in medicament
Waste and material loss, pharmaceutical quantities and pressure that will not be in indirect loss fire extinguishing system pipeline, the final effect of fire extinguishing has been effectively ensured
Really.Two be the container value anti-leak switching device of the present invention, only a stifled needle assemblies 2 need to be set, without to switching device
This body structure is modified, and mobile being blocked of pressure balance 15 itself has been fully utilized, simple and compact for structure, processing
Cost is low, safe.Three be the container value anti-leak switching device of the present invention, can be entered for the switching device of different size
Row places different stifled needle assemblies 2, flexible to operation, highly versatile.
As shown in Figures 1 to 6, further, in the preferred embodiment, blocking up needle assemblies 2 includes stifled pin 21 and inserts to start mouth
Fixed fixed seat 22 in 13, fixed seat 22 towards valve element damping hole 151 a side end provided with fixing hole 221, for
The stifled pin 21 of fixed different size is removably inserted into, fixed seat 22 is provided with ventilation hole portion, for making startup mouthful 13 and pressure
Counter balance pocket 14 connects start decompression operation.The particular design of fixed seat 22, can either effectively keep the firm of stifled pin 21,
Will not occur the risk that device to hole is not in place and blocking fails, connect while startup mouth 13 can be effectively ensured again with pressure balance chamber 14
It is logical, it is ensured that the very first time of switching device starts.And because existing switching device is provided with different specifications, such as different pressure
Demand causes using different pressure balance displacement, causes the valve element damping hole using different pore size size.Pass through
The special scientific design of the above so that operating personnel can be directed to the switching device of different size, need to only change as defined in difference
Stifled pin 21.The different stifled pin 21 of longer or diameter is for example replaced with, the switching device of different size is just adapted to
Need, reduce further cost, improve cross-species transferability.And when stifled pin 21 occurs abrasion or destroyed, also can be quick
Pull down old stifled pin 21 and fix new insertion, improve the efficiency of upkeep operation, reduce the cost safeguarded and changed.
As shown in Figure 3, Figure 4, further, in the preferred embodiment, limit spring 16 is provided with pressure balance chamber 14, it is spacing
Spring 16 is sheathed on outside stifled pin 21, and one end of limit spring 16, which is arranged, to be fixed on the outer circumference surface of fixed seat 22, limit spring
16 other end withstand pressure balance valve core 15, for making when not actuated pressure balance 15 is spacing to block medicament connection
Mouth 11；By setting limit spring 16, it can be engaged with air pressure balance effect, pressure balance 15 is further effectively ensured
Tightly spacing blocks medicament connected entrance 11, it is to avoid just in case when switching device is moved or is vibrated make pressure balance 15
The risk offsetted.The insertion of fixed seat 22 starts the main air channel 222 that an axial direction is offered on one end in mouth 13, fixed
Multiple secondary air channels 223 connected with main air channel 222 are offered on the outer circumference surface of the other end of seat 22, each air channel
223 extension extension opened up on to fixed seat 22 towards a side end of valve element damping hole 151, for making upon start up time
The limit spring 16 that air channel 223 is not extruded is blocked.The aperture of main air channel 222 is larger, is led to by the master of a large aperture
Air drain 222 adds the form that multiple air channels 223 are engaged, and outside air can be caused to rapidly enter pressure and put down on startup
The chamber 14 that weighs is interior to form decompression, and the quick startup of fire extinguishing system has been effectively ensured, fire-fighting efficiency is improved.Meanwhile, secondary air channel 223
It is also particular design, it has not only opened slotted eye on the outer circumference surface of fixed seat 22, while its extension is at the end of fixed seat 22
Slotted eye is also form on face.During quick startup, limit spring 16 can be fit together by the mobile extruding of pressure balance 15,
So that limit spring 16 can block secondary air channel 223 in the slotted eye position covering on the outer circumference surface of fixed seat 22, now, due to
The secondary extension of air channel 223 also form slotted eye on the end face of fixed seat 22 so that secondary air channel 223 remains to make startup mouthful 13
Keep connecting with lasting progress decompression initiating task with pressure balance chamber 14, the continuous and effective that extinguishing operation has been effectively ensured is entered
OK.
As shown in Figures 1 to 6, further, in the preferred embodiment, one end diameter of fixed seat 22 is less than the other end, used
It is fixed in forming ring-type limiting table terrace 224 at middle part so that the quick insertion of fixed seat 22 is started in mouth 13.Fixed seat 22
The small one end of diameter can both be interference fitted insertion be fixed on startup mouth 13 in, can also spiral be fixed on startup mouth 13 in.It is logical
Designed more than crossing so that fixed seat 22 fast and accurate can be inserted and is fixed in startup mouth 13 by operating personnel.
As shown in Figures 1 to 4, further, in the preferred embodiment, a side end the leading provided with tip-like of pin 21 is blocked up
Make in the insertion valve element damping hole 151 of the stifled fast accurate of pin 21 to block valve element damping hole 151 during to portion, for starting.
In other embodiment, block up pin 21 a side end on can also be provided with more than the aperture of valve element damping hole 151 elastomeric seal portions, with
Extrude elastomeric seal portions to block valve element damping hole 151 by pressure balance 15 during for starting.
As shown in Figures 1 to 4, further, in the preferred embodiment, start and seal membrane 3 is provided with mouth 13, for close
Make to keep pressure balance in pressure balance chamber 14 during envelope, or seal membrane 3 is punctured from the external world when starting so that extraneous and pressure
Counter balance pocket 14 connects to start decompression.In other embodiments, closure can directly be set by starting at mouth 13, for covering tightly
When make to keep pressure balance in pressure balance chamber 14, or open closure when starting so that the external world connects with pressure balance chamber 14
Pass to startup decompression.
It the above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention should be regarded as the protection of the present invention
Scope.
Claims (8)
1. a kind of container value anti-leak switching device for Fire-extinguishing System of Septenary-Fluorine Propane, including container value（1）, the container value
（1）It is provided with the medicament connected entrance for being used for connecting with heptafluoro-propane flask for medicinal preparations group（11）, for fire extinguishing system pipeline connection
Medicament spout（12）, for starting decompression to carry out the startup mouthful of medicament ejector（13）, the container value（1）Pressure balance chamber
（14）It is interior to be provided with moveable pressure balance（15）, the pressure balance（15）It is provided with valve element damping hole（151）
For making pressure balance when not actuated（15）Medicament connected entrance is blocked under air pressure balance effect（11）Or decompression is opened
Towards startup mouth when dynamic（13）Locate movement to open medicament connected entrance（11）Carry out medicament ejector, it is characterised in that the pressure is put down
Weigh chamber（14）Interior close startup mouth（13）Provided with stifled needle assemblies at side（2）, the pressure balance after startup（15）Direction
Stifled needle assemblies（2）Locate movement, for making stifled needle assemblies（2）By valve element damping hole（151）Block so that medicament can not be from startup mouth
（13）Place's leakage.
2. the container value anti-leak switching device according to claim 1 for Fire-extinguishing System of Septenary-Fluorine Propane, its feature exists
In the stifled needle assemblies（2）Including blocking up pin（21）Start mouth with insertion（13）The fixed seat of interior fixation（22）, the fixed seat
（22）Towards valve element damping hole（151）A side end be provided with fixing hole（221）, for being removably inserted into fixed difference
The stifled pin of specification（21）, the fixed seat（22）Provided with ventilation hole portion, for making startup mouthful（13）With pressure balance chamber（14）
Connection is operated with start decompression.
3. the container value anti-leak switching device according to claim 2 for Fire-extinguishing System of Septenary-Fluorine Propane, its feature exists
In the pressure balance chamber（14）It is interior to be provided with limit spring（16）, the limit spring（16）One end be arranged and be fixed on fixation
Seat（22）Outer circumference surface on, the limit spring（16）The other end withstand pressure balance valve core（15）, for not opening
Make pressure balance when dynamic（15）It is spacing to block medicament connected entrance（11）；The fixed seat（22）Insertion starts mouth（13）Interior
The main air channel of an axial direction is offered on one end（222）, the fixed seat（22）The other end outer circumference surface on offer
Multiple and main air channel（222）The secondary air channel of connection（223）, each described air channel（223）Extension extension open up
To fixed seat（22）Towards valve element damping hole（151）A side end on, for making time air channel upon start up（223）Not by
The limit spring of extruding（16）Block.
4. the container value anti-leak switching device according to claim 2 for Fire-extinguishing System of Septenary-Fluorine Propane, its feature exists
In the fixed seat（22）One end diameter be less than the other end, for middle part formed ring-type limiting table terrace（224）With by admittedly
Reservation（22）Quick insertion starts mouth（13）Inside it is fixed.
5. the container value anti-leak as claimed in any of claims 2 to 4 for Fire-extinguishing System of Septenary-Fluorine Propane is switched
Device, it is characterised in that the stifled pin（21）Guide part of the side end provided with tip-like, for starting when make stifled pin
（21）The insertion valve element damping hole of fast accurate（151）It is interior with by valve element damping hole（151）Block.
6. the container value anti-leak as claimed in any of claims 2 to 4 for Fire-extinguishing System of Septenary-Fluorine Propane is switched
Device, it is characterised in that the stifled pin（21）A side end be provided be more than valve element damping hole（151）The elastic packing in aperture
Portion, for start when pass through pressure balance（15）Elastomeric seal portions are extruded with by valve element damping hole（151）Block.
7. the container value anti-leak as claimed in any of claims 1 to 4 for Fire-extinguishing System of Septenary-Fluorine Propane is switched
Device, it is characterised in that the startup mouthful（13）Place is provided with seal membrane（3）, for sealing when make pressure balance chamber（14）
Interior holding pressure balance/punctures seal membrane（3）Start decompression.
8. the container value anti-leak as claimed in any of claims 1 to 4 for Fire-extinguishing System of Septenary-Fluorine Propane is switched
Device, it is characterised in that the startup mouthful（13）Make pressure balance chamber when place is provided with closure, for covering tightly（14）It is interior to keep
Closure startup decompression is opened in pressure balance/.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710396581.9A CN106975190B (en) | 2017-05-31 | 2017-05-31 | Container valve leakage-proof switch device for heptafluoropropane fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710396581.9A CN106975190B (en) | 2017-05-31 | 2017-05-31 | Container valve leakage-proof switch device for heptafluoropropane fire extinguishing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106975190A true CN106975190A (en) | 2017-07-25 |
| CN106975190B CN106975190B (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710396581.9A Active CN106975190B (en) | 2017-05-31 | 2017-05-31 | Container valve leakage-proof switch device for heptafluoropropane fire extinguishing system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110841233A (en) * | 2019-12-18 | 2020-02-28 | 陕西陆方安全科技有限责任公司 | Dedicated manual starting drive of indirect type fire detection tube fire extinguishing systems |
| WO2022012453A1 (en) * | 2020-07-16 | 2022-01-20 | 哲弗智能系统（上海）有限公司 | Smart heat-triggered fire extinguishing apparatus and method, battery pack, energy storage system, and vehicle |
| CN114949705A (en) * | 2022-06-17 | 2022-08-30 | 广东卡瑞克实业有限公司 | Portable spraying fire extinguishing device |
| CN116505185A (en) * | 2023-06-27 | 2023-07-28 | 楚能新能源股份有限公司 | Immersion valve assembly and immersion type secondary battery device with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5979803A (en) * | 1997-05-09 | 1999-11-09 | Cummins Engine Company | Fuel injector with pressure balanced needle valve |
| CN201891915U (en) * | 2010-11-10 | 2011-07-06 | 宁波三安制阀有限公司 | Heptafluoropropane container valve |
| CN103511645A (en) * | 2013-10-23 | 2014-01-15 | 天广消防股份有限公司 | Novel container valve for fire trace tube fire-extinguishing device |
| CN204677838U (en) * | 2015-06-09 | 2015-09-30 | 武汉东江阀业制造有限公司 | Ultrahigh pressure direct-acting type transient equilibrium valve |
| CN206837305U (en) * | 2017-05-31 | 2018-01-05 | 湖南磐龙安全系统股份有限公司 | A kind of container value anti-leak switching device for Fire-extinguishing System of Septenary-Fluorine Propane |
-
2017
- 2017-05-31 CN CN201710396581.9A patent/CN106975190B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5979803A (en) * | 1997-05-09 | 1999-11-09 | Cummins Engine Company | Fuel injector with pressure balanced needle valve |
| CN201891915U (en) * | 2010-11-10 | 2011-07-06 | 宁波三安制阀有限公司 | Heptafluoropropane container valve |
| CN103511645A (en) * | 2013-10-23 | 2014-01-15 | 天广消防股份有限公司 | Novel container valve for fire trace tube fire-extinguishing device |
| CN204677838U (en) * | 2015-06-09 | 2015-09-30 | 武汉东江阀业制造有限公司 | Ultrahigh pressure direct-acting type transient equilibrium valve |
| CN206837305U (en) * | 2017-05-31 | 2018-01-05 | 湖南磐龙安全系统股份有限公司 | A kind of container value anti-leak switching device for Fire-extinguishing System of Septenary-Fluorine Propane |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110841233A (en) * | 2019-12-18 | 2020-02-28 | 陕西陆方安全科技有限责任公司 | Dedicated manual starting drive of indirect type fire detection tube fire extinguishing systems |
| WO2022012453A1 (en) * | 2020-07-16 | 2022-01-20 | 哲弗智能系统（上海）有限公司 | Smart heat-triggered fire extinguishing apparatus and method, battery pack, energy storage system, and vehicle |
| CN114949705A (en) * | 2022-06-17 | 2022-08-30 | 广东卡瑞克实业有限公司 | Portable spraying fire extinguishing device |
| CN116505185A (en) * | 2023-06-27 | 2023-07-28 | 楚能新能源股份有限公司 | Immersion valve assembly and immersion type secondary battery device with same |
| CN116505185B (en) * | 2023-06-27 | 2023-10-03 | 楚能新能源股份有限公司 | Immersion valve assembly and immersion type secondary battery device with same |
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| CN106975190B (en) | 2022-07-29 |
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