CN103335164B - A kind of fire resisting damper and outer temp-sensing device thereof - Google Patents
A kind of fire resisting damper and outer temp-sensing device thereof Download PDFInfo
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- CN103335164B CN103335164B CN201310311212.7A CN201310311212A CN103335164B CN 103335164 B CN103335164 B CN 103335164B CN 201310311212 A CN201310311212 A CN 201310311212A CN 103335164 B CN103335164 B CN 103335164B
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- sensing device
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- resisting damper
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Abstract
The invention discloses the outer temp-sensing device for fire resisting damper, including the fixture being connected for actuator, for triggering flexible member and the fusing part that described actuator action with close port, is arranged between fixture and movable part, one end of fusing part is connected with fixture, the other end is connected with movable part, so that flexible member is in energy accumulating state.When fire resisting damper external temperature reaches the permission fusing ultimate value of fusing part, fusing part ruptures, and movable part opposed fixed member under the resilient force of flexible member moves to the trigger starting actuator, so that actuator action drives fire resisting damper is closed.Obviously, after fire resisting damper is by using the outer temp-sensing device of said structure, solve the limitation of the scope of application of existing fire resisting damper, nuclear power engineering and Tunnel Engineering etc. can be met under fire working, need to block external heat source, control the requirement of fire spread.On this basis, the invention also discloses and include the fire resisting damper of above-mentioned outer temp-sensing device.
Description
Technical field
The present invention relates to fire resisting damper technical field, particularly relate to a kind of fire resisting damper and outer temp-sensing device thereof.
Background technology
Fire resisting damper is installed in the ventilation and air conditioning system of building in the middle of the ventilation shaft passing through fire compartment
Or end, under accidental conditions, fire resisting damper is in opening, fire working ShiShimonoseki valve closing door, incites somebody to action
Fire area isolates with pipe network, plays every cigarette back-fire relief, the effect of control fire spread.
The typical structure of fire resisting damper includes that the valve body being installed on ventilation shaft, blade, driving blade turn
Dynamic to control valve closing and the actuator of unlatching, and the interior temp-sensing device being arranged in valve body.
When in pipeline, flue-gas temperature exceedes the fusing-off temperature that temp-sensing device sets, interior temp-sensing device fusing,
Send signal to actuator or directly drive actuator action, thus driving blade to rotate and close valve closing
Door.
In view of above-mentioned fire resisting damper have employed interior temp-sensing device, only can prevent the intensity of a fire from passing through when breaking out of fire
In building, ventilation shaft spreads to other fire compartment, and cannot meet nuclear power engineering and Tunnel Engineering
Deng, need to first have to when the breaking out of fire initial stage be controlled by the change of external sensible external temperature to prevent
Fire valve valve closing requirement.But, owing to interior temp-sensing device cannot be installed on by the restriction of internal structure
Outside realizes identical function.
In view of this, those skilled in the art urgently provide a kind of outer temp-sensing device for fire resisting damper,
To solve the problem that existing fire resisting damper cannot meet the use requirement of special dimension.
Summary of the invention
For drawbacks described above, the core purpose of the present invention is, it is provided that a kind of outer temperature for fire resisting damper
Induction device, to meet special dimension to fire resisting damper under fire working, according to external temperature realize every
Cigarette back-fire relief, the effect of control fire spread.On this basis, the present invention also provides for one and includes above-mentioned
The fire resisting damper of outer temp-sensing device.
A kind of outer temp-sensing device for fire resisting damper provided by the present invention, including:
Fixture, is connected for the housing with actuator；
Movable part, is used for triggering described actuator action to close valve；
Flexible member, is arranged between described fixture and described movable part；
Fusing part, its one end is connected with described fixture, and the other end is connected in described movable part,
So that described flexible member is in energy accumulating state.
Preferably, described flexible member is extension spring.
Preferably, described flexible member is stage clip.
Preferably, described fusing part is specially fuse link.
Preferably, also include that guide post, described guide post one end are connected with fixture, described movable part
Slidably it is set in described guide post.
Preferably, described fusing part is specially fuse tube.
Preferably, also include that guide post, described guide post one end are connected with fixture, described movable part
Slidably it is set in described guide post.
The present invention also provides for a kind of fire resisting damper, including the valve body for being arranged at ventilation shaft, is arranged at
Blade, actuator and outer temp-sensing device in described valve body；Described actuator drives described blade
Rotating relative to described valve body so that valve opening or closedown, described outer temp-sensing device is specially as above institute
The outer temp-sensing device stated.
Outer temp-sensing device for fire resisting damper provided by the present invention, including for the shell with actuator
Body be connected fixture, be used for triggering described actuator action to close valve, to be arranged at fixture
And the flexible member between movable part and fusing part.Wherein, the one end of fusing part and fixture
Being connected, the other end is connected with movable part, so that flexible member is in energy accumulating state.
When fire resisting damper external temperature reaches the permission fusing ultimate value of fusing part, fusing part ruptures,
Flexible member releases energy, and movable part opposed fixed member under the resilient force of flexible member moves to startup
The trigger of actuator, so that actuator action drives fire resisting damper is closed.Obviously, fire resisting damper leads to
After crossing the outer temp-sensing device of employing said structure, solve the limitation of the scope of application of existing fire resisting damper,
Nuclear power engineering and Tunnel Engineering etc. can be met under fire working, need to block external heat source, control fire
The requirement that calamity spreads.
In one preferred version of the present invention, the outer temp-sensing device in this programme also includes guide post, and this is led
Being connected to the one end of bar and fixture, movable part is set in guide post, with guide movable part relative to
Fixture slides.By the guide effect of guide post, define that movable part is relative to fixture displacement rail
Mark, makes movable part move to trigger along particular track, thus prevents because of reasons such as stage clip deformation
Cause movable part motion track to change, cause movable part cannot touch trigger and make outer temp-sensing device
The generation of Problem of Failure.
Accompanying drawing explanation
Fig. 1 shows that cross-sectional schematic is assembled in outer temp-sensing device provided by the present invention and actuator
First detailed description of the invention；
Fig. 2 shows outer temp-sensing device shown in Fig. 1 and the side view of actuator assembling cross-sectional schematic；
Fig. 3 shows the sectional structure schematic diagram of outer temp-sensing device shown in Fig. 1；
Fig. 4 shows that cross-sectional schematic is assembled in outer temp-sensing device provided by the present invention and actuator
Second detailed description of the invention；
Fig. 5 shows outer temp-sensing device shown in Fig. 1 and the side view of actuator assembling cross-sectional schematic；
Fig. 6 shows the sectional structure schematic diagram of outer temp-sensing device shown in Fig. 4.
Corresponding relation between reference and component names in Fig. 1 to Fig. 6:
1 actuator, 11 triggers, 2 outer temp-sensing devices, 20 fixtures, 21 movable parts, 22
Stage clip, 22 ' extension springs, 23 fuse links, 24 guide posts, 25 outer housings.
Detailed description of the invention
The core of the present invention is, it is provided that a kind of outer temp-sensing device for fire resisting damper, special to meet
Field to fire resisting damper under fire working, according to external temperature realize every cigarette back-fire relief, control fire climing
The effect prolonged.On this basis, the present invention also provides for a kind of fire resisting damper including above-mentioned outer temp-sensing device.
Without loss of generality, in conjunction with Figure of description, illustrate that one provided by the present invention is for preventing
The concrete structure of the outer temp-sensing device of fire valve and operation principle.
Refer to Fig. 1 to Fig. 3, wherein, Fig. 1 show outer temp-sensing device provided by the present invention and
The first detailed description of the invention of cross-sectional schematic is assembled in actuator 1, outside Fig. 2 shows shown in Fig. 1
The side view of cross-sectional schematic is assembled in temp-sensing device and actuator 1, and Fig. 3 shows shown in Fig. 1
The sectional structure schematic diagram of outer temp-sensing device.
As it is shown in figure 1, the outer temp-sensing device that this programme is provided includes being bolted to connection in anti-
The fixture 20 of the actuator 1 of fire resisting damper, for triggering the movable part 21 of actuator 1 action,
And the stage clip 22 that is arranged between fixture 20 and movable part 21 and fuse link 23.Wherein, fusing
The one end of sheet 23 is bolted to fixture 20, and the other end is bolted to movable part
21, and make stage clip 22 be in energy accumulating state, i.e. stage clip 22 is in compressive state.For the ease of understanding
The concrete structure of outer temp-sensing device, please also refer to Fig. 2 and Fig. 3.
When the temperature in the space for accommodating outer temp-sensing device exceedes the permission fusing limit of fuse link 23
During value, fuse link 23 fuses, and according to law of conservation of energy, the elastic potential energy of stage clip 22 accumulation converts
Kinetic energy for movable part 21 so that it is move the trigger 10 to actuator 1 relative to fixture 20,
Trigger 10 is promoted to drive actuator 1 action, to close fire resisting damper.
Obviously, after fire resisting damper is by using the outer temp-sensing device of said structure, existing fire resisting damper is solved
The limitation of the scope of application, can meet the special dimension such as nuclear power engineering and Tunnel Engineering interior in fire working
Under, need to block external heat source, the requirement of control fire spread.
Further, as it is shown on figure 3, the outer temp-sensing device in this programme also includes guide post 24, should
Guide post 24 be fixed on fixture 20, movable part 21 is slidably set in guide post 24.Fusing
Sheet 23 fusing after, movable part 21 under elastic potential energy effect relative to fixture 20 along guide post 24
Mobile.It is appreciated that this programme passes through the guide effect of guide post 24, defines movable part 21 phase
For fixture 20 deformation trace, movable part 21 is made to move to trigger 10 along particular track, from
And prevent because the reasons such as stage clip 22 deformation cause movable part 21 motion track to change, cause movable part
21 cannot touch trigger 10, and make the generation of outer temp-sensing device disabler problem.
Additionally, the stage clip 22 in this programme is sheathed and guide post 24, stage clip 22 can be avoided at fuse link
Under the active force of 23, compression local produces the flexural deformation relative to axis, thus not only can make movable part
21 uniform force, and the service life of stage clip 22 can be ensured.Certainly, at satisfied generation elastic potential
On the basis of energy function and assembly technology require, in this programme, stage clip 22 also can be directly arranged at fixing
Between part 20 and movable part 21.
Outer temp-sensing device also includes that cover is loaded on the outer housing 25 of outer temp-sensing device inner member, this outer housing 25
It is bolted to connection in fixture 20.This programme setting by outer housing 25, it is therefore prevented that because of dirt
Things etc. produce asking of the obstruction movable part 21 resistance relative to fixture 20 in the deposition of function element
Topic, it is ensured that outer temp-sensing device properly functioning, avoids its inside function element because of wind rain simultaneously
The problem that pouring etc. causes the shortening in its service life.Additionally, provide dual fixing work for fixture 20
With, it is therefore prevented that its under stage clip 22 resilient force by being positioned at the fixing point of actuator 1 relative to holding
The flexural deformation of row mechanism 1.
Additionally, this programme also provides for the detailed description of the invention of the another kind of outer temp-sensing device for fire resisting damper,
Concrete structure refers to Fig. 4 to Fig. 6, and wherein, Fig. 4 shows that outer warming provided by the present invention fills
Putting and assemble the second detailed description of the invention of cross-sectional schematic with actuator 1, Fig. 5 shows Fig. 1 institute
Showing that the side view of cross-sectional schematic is assembled in outer temp-sensing device and actuator 1, Fig. 6 shows in Fig. 4
The sectional structure schematic diagram of shown outer temp-sensing device.
It should be noted that the second detailed description of the invention and the first detailed description of the invention operation principle,
Frame for movement and beneficial effect are identical, only stage clip 22 accumulation of energy in the first detailed description of the invention are replaced
For extension spring 22 ' accumulation of energy, to realize the purpose promoting movable part 21 to move relative to fixture 20, because of
This, the most only structure and work process to this distinctive points is explained.
As shown in Figure 4, fixture 20 is fixed in the extension spring 22 ' one end in this programme, and the other end is fixed
In movable part 21, under the effect of fuse link 23, stretch accumulation of energy, after fuse link 23 fuses, movable
Part 21 trends towards fixture 20 under extension spring 22 ' acts on and moves, and holds to promote trigger 10 to trigger
Row mechanism 1 action.For the ease of understanding the second specific embodiment of outer temp-sensing device, please also refer to
Fig. 5 and Fig. 6.
It should be noted that the permission fusing ultimate value of fuse link 23 is in this programme under normal circumstances
70 DEG C, certainly, its ultimate value concrete safety coefficient requirement according to fire resisting damper that specifically fuses, select
Reach the fuse link 23 of this safety coefficient corresponding material.Therefore, the permission fusing limit of fuse link 23
The actual temp value of value, does not limit the protection domain of this programme.Additionally, reach capacity meeting temperature
On the basis of meeting fusing condition during value, the fuse link 23 in this programme also can use fuse tube to replace
Generation.
Except above-mentioned points outside temp-sensing device, present invention also offers a kind of fire resisting damper, this fire resisting damper includes using
In being arranged at the valve body of ventilation shaft, the blade being arranged in valve body, actuator and outer temp-sensing device；
Wherein, actuator drives blade to rotate relative to valve body so that valve opening or closedown, and outer warming fills
Put outer temp-sensing device specially as above.It is appreciated that the basic function unit constituting this fire resisting damper
Part and operation principle are same as the prior art, and those skilled in the art completely can be real based on prior art
Existing, so repeating no more herein.
The foregoing is only the preferred embodiment of the present invention, be not intended that scope
Limit.Any amendment, equivalent and the improvement etc. made within any spirit in invention and principle,
Within should be included in the claims of the present invention.
Claims (6)
1. the outer temp-sensing device for fire resisting damper, it is characterised in that including:
Fixture, for being connected with actuator；
Movable part, is used for triggering described actuator action to close valve；
Flexible member, is arranged between described fixture and described movable part, described flexible member one end and institute
Stating fixture contact, the other end contacts with described movable part；
Fusing part, its one end is connected with described fixture, and the other end is connected in described movable part, with
Described flexible member is made to be in energy accumulating state；
Guide post, described guide post one end and described fixture be connected, described flexible member be set in described in lead
On bar, described movable part is slidably set in described guide post.
Outer temp-sensing device for fire resisting damper the most according to claim 1, it is characterised in that described bullet
Property element is extension spring.
Outer temp-sensing device for fire resisting damper the most according to claim 1, it is characterised in that described bullet
Property element is stage clip.
Outer temp-sensing device for fire resisting damper the most according to any one of claim 1 to 3, its feature
Being, described fusing part is specially fuse link.
Outer temp-sensing device for fire resisting damper the most according to any one of claim 1 to 3, its feature
Being, described fusing part is specially fuse tube.
6. a fire resisting damper, including the valve body for being arranged at ventilation shaft, the leaf that is arranged in described valve body
Sheet, actuator and outer temp-sensing device；Described actuator drives described blade to rotate relative to described valve body
So that valve opening or closedown, it is characterised in that described outer temp-sensing device is specially such as claim 1 to 5
According to any one of outer temp-sensing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310311212.7A CN103335164B (en) | 2013-07-23 | 2013-07-23 | A kind of fire resisting damper and outer temp-sensing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310311212.7A CN103335164B (en) | 2013-07-23 | 2013-07-23 | A kind of fire resisting damper and outer temp-sensing device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103335164A CN103335164A (en) | 2013-10-02 |
| CN103335164B true CN103335164B (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310311212.7A Active CN103335164B (en) | 2013-07-23 | 2013-07-23 | A kind of fire resisting damper and outer temp-sensing device thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728182B (en) * | 2021-01-25 | 2023-07-04 | 绍兴市丰润风阀执行器有限公司 | Novel fire prevention valve outer temperature sense device |
| CN114215954A (en) * | 2021-12-28 | 2022-03-22 | 江苏核电有限公司 | Nuclear power station fire prevention valve blocking device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836443A (en) * | 1986-05-24 | 1989-06-06 | Kernforschungsanlage Julich Gesellschaft Mit Beschrankter Haftung | Temperature-dependent pressure release device for pressure vessels |
| CN2337374Y (en) * | 1998-07-31 | 1999-09-08 | 杜立萍 | External temperature sensing fire valve |
| CN2607153Y (en) * | 2003-04-30 | 2004-03-24 | 江苏天宝空调通风工程有限公司 | Fire-prevention valve |
| CN2651549Y (en) * | 2003-10-31 | 2004-10-27 | 贺业超 | External fuse valve actuating device of fireproof valve |
| CN202884219U (en) * | 2012-11-16 | 2013-04-17 | 宁波东灵水暖空调配件有限公司 | Fireproof regulating valve actuating mechanism |
| CN203395354U (en) * | 2013-07-23 | 2014-01-15 | 北京汉威机电有限公司 | Fire damper and outer temperature sensing device thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3917884A1 (en) * | 1989-06-01 | 1990-12-06 | Danfoss As | TEMPERATURE-SENSITIVE ACTUATING DEVICE FOR AN ACTUATING DEVICE |
-
2013
- 2013-07-23 CN CN201310311212.7A patent/CN103335164B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836443A (en) * | 1986-05-24 | 1989-06-06 | Kernforschungsanlage Julich Gesellschaft Mit Beschrankter Haftung | Temperature-dependent pressure release device for pressure vessels |
| CN2337374Y (en) * | 1998-07-31 | 1999-09-08 | 杜立萍 | External temperature sensing fire valve |
| CN2607153Y (en) * | 2003-04-30 | 2004-03-24 | 江苏天宝空调通风工程有限公司 | Fire-prevention valve |
| CN2651549Y (en) * | 2003-10-31 | 2004-10-27 | 贺业超 | External fuse valve actuating device of fireproof valve |
| CN202884219U (en) * | 2012-11-16 | 2013-04-17 | 宁波东灵水暖空调配件有限公司 | Fireproof regulating valve actuating mechanism |
| CN203395354U (en) * | 2013-07-23 | 2014-01-15 | 北京汉威机电有限公司 | Fire damper and outer temperature sensing device thereof |
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| Publication number | Publication date |
|---|---|
| CN103335164A (en) | 2013-10-02 |
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Address after: 100076, building 21, No. 1, six road, Daxing District economic and Technological Development Zone, Beijing, Boxing Applicant after: Beijing Highwell M&E Co., Ltd. Address before: 100076, Beijing, Daxing District economic and Technological Development Zone, Tongji Road, No. 5, south side of the building Applicant before: Beijing Highwell M&E Co., Ltd. |
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