CN104314412B - Automatic fume exhaust system - Google Patents
Automatic fume exhaust system Download PDFInfo
- Publication number
- CN104314412B CN104314412B CN201410551175.1A CN201410551175A CN104314412B CN 104314412 B CN104314412 B CN 104314412B CN 201410551175 A CN201410551175 A CN 201410551175A CN 104314412 B CN104314412 B CN 104314412B
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- China
- Prior art keywords
- pulley
- single row
- steel wire
- wire rope
- row pulley
- 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.)
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- 239000003517 fume Substances 0.000 title abstract 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 238000013016 damping Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims description 42
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000007599 discharging Methods 0.000 description 7
- 230000005484 gravity Effects 0.000 description 4
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/002—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means
- E05F1/006—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means by emergency conditions, e.g. fire
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/02—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
- E05F11/02—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights
- E05F11/04—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights with cords, chains or cables
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/148—Windows
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Special Wing (AREA)
Abstract
The invention provides an automatic fume exhaust system which comprises a manual shaking device, a steel wire rope, a fuse link, a first single-row pulley, a second single-row pulley, a third single-row pulley, a dual-row pulley and a damping telescopic mechanism. A fusing opening mode is increased, so that the opening reliability of an automatic fume exhaust window is enhanced; furthermore, two steel wire ropes are adopted for lifting two sides of a window body, so that the lifting stability of the window body and the airtightness in window body closing are ensured. The system is simple in structure, easy in wiring and cost-saving.
Description
Technical field
The present invention relates to technical field of fire control, more particularly, to a kind of automatic smoke exhausting system.
Background technology
Existing at present automatically turn on vent window system complex, and other system interference in easily being built, lead to
Sometimes the phenomenon that vent window cannot be opened is had, so that the reliability of vent window reduces under fire condition.In addition, existing
, when opening, because only one end stress in window to be ordered about window and is turned on and off, and it is big to work as single casement window area for window,
When quality is big, during the closure of one end of window stress, just more closely, and the other end is not due to stressing for the contact with window frame, because
This, automatic smoke exhausting window air-tightness will relative reduction, and when window in the open state when, under wind action, existing
The windowpane having one end stress can shake unstable phenomenon.
Content of the invention
It is an object of the invention to solving the defect that above-mentioned prior art exists, provide one kind can substantially increase vent window
The reliability opened, utilize double-steel wire rope opened smoke-discharging window simultaneously it is ensured that air-tightness during forms closure and stability dynamic
Smoke evacuation system.
A kind of automatic smoke exhausting system, including shaking lifting device, steel wire rope, fuse link, the first single row pulley, second single manually
Pulley, the 3rd single row pulley, double pulley, damping Shen Suo mechanism；
Described first single row pulley, double pulley are fixed on one end of vent window crossing frame and the junction of perpendicular window frame, the
Three single row pulleys are fixed on the other end of described crossing frame；Described second single row pulley is fixed on crossing frame and is in the first list
Between row's pulley and the 3rd single row pulley；
The one ends wound of described steel wire rope shaking on lifting device manually, the other end bypass successively the first single row pulley, second
After single row pulley, its end is divided into 2 steel wire ropes by node, and after a steel wire rope bypasses double pulley, its end is fixed on row
On one turning of smokestack, another bar of steel wire rope is fixed on row further around its end after the 3rd single row pulley excessively after bypassing double pulley
On another turning of smokestack；
Described fuse link is arranged on a steel cord, and at fuse link, steel wire rope is provided with one section of reserved steel wire rope A, works as fusing
When piece disconnects at a predetermined temperature, reserved steel wire rope A is straightened；Described damping Shen Suo mechanism is separately mounted to the two of vent window
Side.
Further, automatic smoke exhausting system as above, controls vent window to open according to the length of reserved steel wire rope A
Angle.
Further, automatic smoke exhausting system as above, the length of described reserved steel wire rope A and drawing of being connected vent window
Rope B equal length.
Further, automatic smoke exhausting system as above, described fuse link is arranged on and shakes lifting device and the first list manually
Between row's pulley.
Further, automatic smoke exhausting system as above, a diameter of first single row pulley of described steel wire rope, the second list
Row pulley, the 3rd single row pulley, 1/3rd of the pulley groove depth of double pulley.
Further, automatic smoke exhausting system as above, described first single row pulley, the second single row pulley, the 3rd list
Row's pulley, double pulley are fixed in the centre of fixed plate, the seam between described fixed plate and pulley respectively by fixed plate
Gap width is less than the half of steel wire rope width.
Further, automatic smoke exhausting system as above, described first single row pulley, the second single row pulley, the 3rd list
Row's pulley, double pulley are all made using stainless steel.
Further, automatic smoke exhausting system as above, is provided with motor, servomechanism on described crossing frame, stretches
Contracting band, described motor is provided with sliding bar, this sliding bar can be stretched in the presence of external force or electric power；Described telescopic band
One ends wound on servomechanism, the other end fixes slip boom end, and described second single row pulley is fixed on described sliding bar
End；It is furnished with one section of motor current supply line at fuse link, when reserved steel wire rope A is straightened, motor current supply line is drawn
Disconnected.
Further, automatic smoke exhausting system as above, the length of described telescopic band and the drag-line B length being connected vent window
Degree is equal.
Beneficial effect：
The present invention due to increased fusing opening ways, when existing at present manually opened, remotely control, fire-fighting link
When mode opened smoke-discharging window fails or be invalid, the temperature of fuse link is disconnected after reaching a defined temperature, now, reserved steel wire rope
A is gradually straightened, and vent window then relies on the gravity of itself to open, thus improve the reliability of automatic smoke exhausting window unlatching；Simultaneously
Draw high smoke evacuation forms both sides using two steel wire ropes it is ensured that air-tightness when the stability that draws high of forms and forms closure.This
System architecture is succinctly it is easy to wiring, cost-effective.
Brief description
Fig. 1 is automatic smoke exhausting system structure diagram of the present invention.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below technical scheme in the present invention carry out clearly
Chu, it is fully described by it is clear that described embodiment a part of embodiment that is the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
In order to overcome the shortcomings of existing vent window reliability, the present invention is in existing manually opened, remotely control, fire-fighting connection
Increase fusing opening ways, to improve the reliability of vent window unlatching on the basis of dynamic opened smoke-discharging window.Specifically, existing manual
Unlatching, remotely control, in the pattern of fire-fighting link opened smoke-discharging window, all include a motor, this motor is used for being turned on and off
Vent window, in the case of not having fire, being turned on and off of smoke evacuation bed relies on the operation of motor realizing, and once there is fire
Calamity, vent window still can rely on manually opened, remotely control, fire-fighting link mode to open vent window, and the fusing of the present invention
Mode is in the case that this 3 kinds of modes all cannot be realized opening vent window because of various factors, because fuse link can be default
At a temperature of disconnect, therefore, when manually opened, remotely control, fire-fighting link mode cannot be relied on to open vent window, fire
Temperature can make fuse link disconnect so that vent window is opened.Lower mask body opens vent window to the present invention using fuse link
Automatic smoke exhausting system specific embodiment is illustrated：
As shown in figure 1, the automatic smoke exhausting system that the present invention provides, including shaking lifting device 1, steel wire rope 13, fuse link manually
2nd, the first single row pulley 9, the second single row pulley 6, the 3rd single row pulley 12, double pulley 4, damping Shen Suo mechanism 3；
Described first single row pulley 9, double pulley 4 are fixed on the one of the junction of vent window crossing frame 14 and perpendicular window frame 15
End, the other end of the fixing described crossing frame 14 of the 3rd single row pulley 12, i.e. the connection of described crossing frame 14 and another perpendicular window frame
Place；Described second single row pulley 6 is fixed on crossing frame 14, and this second single row pulley 6 is in the first single row pulley 9 and the 3rd
Between single row pulley 12；On shaking lifting device 1 manually, it is single that the other end bypasses first to the one ends wound of described steel wire rope 13 successively
After pulley 9, the second single row pulley 6, its end is divided into 2 steel wire ropes by node, and a steel wire rope bypasses after double pulley 4 it
One turning of end and vent window is fixed, and another bar of steel wire rope bypasses the another of its end and vent window after the 3rd single row pulley 12
One turning is fixed；When vent window is closed, the one ends wound of described steel wire rope 13 on shaking lifting device 1 manually, with smoke evacuation
Window is opened, and shakes lifting device 1 manually and automatically rotates release steel wire rope.
Operation principle：The automatic smoke exhausting system that the present invention provides, arranges fuse link on a steel cord, makes one end of steel wire rope
It is fixed on and shakes on lifting device 1 manually, the other end bypasses the first single row pulley 9, after the second single row pulley 6, the other end of steel wire rope
It is divided into two strands, after this two strands bypass double pulley 4 simultaneously, one end is fixed on one end of vent window, and another stock is further around mistake
After 3rd single row pulley 12, its end is fixed on the other end of vent window, so, when needing opened smoke-discharging window, can pass through
Manual mode, that is, rotation manual shake lifting device 1, the steel wire rope 13 being wound around thereon slowly discharges, and vent window is in the work of gravity
With under be gradually opened, so far it is achieved that smoke evacuation bed manually opened mode；And work as and manually cannot open smoke evacuation by opening ways
During window, in the event of fire, fuse link will disconnect at 70 DEG C about, reserved steel wire rope A then can because fuse link disconnects quilt
Gradually stretch, now it is not necessary to rotation manual shakes lifting device 1, vent window also can be gradually opened under gravity, so far,
Achieve the double protection opened of vent window, thus improve the reliability of automatic smoke exhausting window unlatching；On the other hand, due to
The both sides of vent window have been respectively mounted damping Shen Suo mechanism 3, and when therefore window is opened, speed will not be too fast, are stable mistakes
Journey, so that vent window has a buffering during opening, improves the security that vent window is opened.Another further aspect, due to
Steel wire rope is divided into 2 strands after bypassing the second single row pulley 6, is then separately fixed at the both sides of vent window, therefore, is closing smoke evacuation
During window, its two ends all stress, therefore, after closing, vent window and the air-tightness of window frame are improved, and when vent window is being beaten
During open state, under wind action, the stable row of windowpane is also strengthened.
Further, the present invention, on the basis of above-mentioned automatic smoke exhausting system, also add the work(automatically opening up vent window
Can, specifically, motor 5, servomechanism 11, telescopic band 10 are provided with described crossing frame 14, described motor 5 is provided with cunning
Lever, this sliding bar can be stretched in the presence of external force or electric power；The one ends wound of described telescopic band 10 is in servomechanism 11
On, the other end fixes slip boom end, and described second single row pulley 6 is fixed on described slip boom end；It is furnished with fuse link 2
One section of motor current supply line, when reserved steel wire rope A is straightened, motor current supply line is pulled off.
Specifically, telescopic band 10 itself has elastic pulling force, and when external force is not enough, telescopic band is wrapped on servomechanism 11,
Only when pulling force is necessarily big, telescopic band 10 just can be elongated；In the case of not having fire, telescopic band is drawn due to natural resiliency
Power effect is wrapped on servomechanism, and in the case that vent window is closed, the sliding bar of motor internal is pulled out, when need
When wanting opened smoke-discharging window, start motor, then the sliding bar of motor internal starts to shrink at, the pulling force of sliding bar is more than the bullet of telescopic band
Property pulling force so that telescopic band elongate, thus vent window is opened under gravity；And occur once working as fire, if cannot
By motor opened smoke-discharging window, now, fuse link disconnects, due to being also provided with one section of motor current supply line at fuse link, when
After fuse link disconnects, this motor current supply line is also pulled off immediately, and after motor current supply line is pulled off, motor does not rerun, because
This, the sliding bar of motor also will not shrink again, now, vent window open just to realize by reserved stretching of steel wire rope A, because
This, the elongation of reserved steel wire rope A decides the angle that vent window is opened, in the present embodiment, described reserved steel wire rope A length
With the drag-line B equal length being connected vent window.
The automatic smoke exhausting system that the present invention provides, it opens the mode of vent window 3 kinds, and one kind crosses manual mode, passes through
Realizing, a kind of be automated manner to shake manual setter, and realizing, a kind of is fusing mode, by molten for the operation of used motor
The disconnection of part, to realize, generally, is not occurring fire or timely fire to occur, in the case of someone's operation, using first 2 kinds
Mode just can open vent window, when there is fire and first two mode lost efficacy, can open vent window by fuse link,
Thus further increasing the reliability of vent window.
Further, automatic smoke exhausting system as above, when fuse link breaks down or needs to change, for the ease of
Change, described fuse link 2 is arranged on and shakes manually between lifting device 1 and the first single row pulley 9, and this fuse link 2 is arranged on fire
Occur in place.
Further, automatic smoke exhausting system as above, in order to prevent steel wire rope from slipping from pulley, described steel wire rope
A diameter of first single row pulley 9, the second single row pulley 6, the 3rd single row pulley 12, the three of the pulley groove depth of double pulley 4
/ mono-.
Further, automatic smoke exhausting system as above, described first single row pulley 9, the second single row pulley the 6, the 3rd
Single row pulley 12, double pulley 4 are fixed in the centre of fixed plate respectively by fixed plate, and described fixed plate is clamping plate shape
Formula, pulley is fixed on the centre of clamping plate, therefore, in order to avoid steel wire rope slips in the gap between fixed plate and pulley, described
Gap width between fixed plate and pulley is less than the half of steel wire rope width.
Further, automatic smoke exhausting system as above, in order to improve the reliability of vent window, anti-limited slip wheel further
Blocking because of getting rusty motionless, thus hindering opening of vent window, using to improve automatic smoke exhausting system of the present invention simultaneously
The time limit, described first single row pulley 9, the second single row pulley 6, the 3rd single row pulley 12, double pulley 4 are all using stainless steel
Make.
The technical solution used in the present invention is：This automatic smoke exhausting system includes shaking lifting device, high-strength steel cord, fusing manually
Piece, motor, force aid system, damping telescopic mechanism；High tensile steel wire diameter x, can bear x pulling force.Pulley is all using Stainless Steel
Material, will not block because of corrosion and not rotate；Fuse link disconnects automatically when temperature reaches 70 degrees Celsius, and fuse link can bear
X pulling force；There is a sliding bar, under external force or electric power act on, this sliding bar can be drawn out inside linear electric motors；Telescopic band itself
There is elastic pulling force, telescopic band is wrapped on servomechanism when external force is not enough, telescopic band just meeting only when pulling force is necessarily big
It is elongated.
The invention has the beneficial effects as follows：Increase fusing opening ways, improve the reliability of automatic smoke exhausting window unlatching.Simultaneously
Draw high forms both sides using two steel wire ropes it is ensured that air-tightness when the stability that draws high of forms and forms closure.This system
Simple for structure it is easy to wiring, cost-effective.
Finally it should be noted that：Above example only in order to technical scheme to be described, is not intended to limit；Although
With reference to the foregoing embodiments the present invention is described in detail, it will be understood by those within the art that：It still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to wherein some technical characteristics；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (8)
1. a kind of automatic smoke exhausting system it is characterised in that include shake manually lifting device (1), steel wire rope (13), fuse link (2), the
One single row pulley (9), the second single row pulley (6), the 3rd single row pulley (12), double pulley (4), damping telescopic mechanism (3)；
Described first single row pulley (9), double pulley (4) are fixed on the junction of vent window crossing frame (14) and perpendicular window frame (15)
One end, the 3rd single row pulley (12) is fixed on the other end of described crossing frame (14)；Described second single row pulley (6) is fixing
Above and it is between the first single row pulley (9) and the 3rd single row pulley (12) in crossing frame (14)；Described steel wire rope (13)
One ends wound on shaking lifting device (1) manually, the other end bypasses the first single row pulley (9), the second single row pulley (6) successively
Afterwards, its end is divided into 2 steel wire ropes by node, and a steel wire rope bypasses double pulley (4), and its end is fixed on vent window afterwards
A turning on, another bar of steel wire rope bypasses that its end is solid afterwards further around crossing the 3rd single row pulley (12) after double pulley (4)
It is scheduled on another turning of vent window；Described fuse link (2) is arranged on steel wire rope (13), and in fuse link (2) place steel
Cord (13) is provided with one section of reserved steel wire rope A, and when fuse link (2) disconnects at a predetermined temperature, reserved steel wire rope A is drawn
Directly；Described damping telescopic mechanism (3) is separately mounted to the both sides of vent window；Described crossing frame (14) is provided with motor
(5), servomechanism (11), telescopic band (10), described motor (5) is provided with sliding bar, and this sliding bar is in external force or electric power
Can be stretched under effect；On servomechanism (11), the other end fixes sliding bar to the one ends wound of described telescopic band (10)
End, described second single row pulley (6) is fixed on described slip boom end；It is furnished with one section of motor at fuse link (2) place to power
Wire, when reserved steel wire rope A is straightened, motor current supply line is pulled off.
2. the automatic smoke exhausting system according to claim 1 is it is characterised in that control according to the length of reserved steel wire rope A
The angle that vent window processed is opened.
3. the automatic smoke exhausting system according to claim 1 is it is characterised in that the length of described reserved steel wire rope A and company
Run in the drag-line B equal length of smokestack.
4. the automatic smoke exhausting system according to claim 1 is it is characterised in that described fuse link (2) is arranged on and shakes manually
Between lifting device (1) and the first single row pulley (9).
5. the automatic smoke exhausting system according to claim 1 it is characterised in that described steel wire rope a diameter of first single
Pulley (9), the second single row pulley (6), the 3rd single row pulley (12), 1/3rd of the pulley groove depth of double pulley (4).
6. the automatic smoke exhausting system according to claim 1 is it is characterised in that described first single row pulley (9), second single
Row's pulley (6), the 3rd single row pulley (12), double pulley (4) are fixed in the centre of fixed plate respectively by fixed plate,
Gap width between described fixed plate and pulley is less than the half of steel wire rope width.
7. the automatic smoke exhausting system according to claim 1 is it is characterised in that described first single row pulley (9), second single
Row's pulley (6), the 3rd single row pulley (12), double pulley (4) are all made using stainless steel.
8. the automatic smoke exhausting system according to claim 1 it is characterised in that the length of described telescopic band (10) be connected
The drag-line B equal length of vent window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410551175.1A CN104314412B (en) | 2014-10-16 | 2014-10-16 | Automatic fume exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410551175.1A CN104314412B (en) | 2014-10-16 | 2014-10-16 | Automatic fume exhaust system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104314412A CN104314412A (en) | 2015-01-28 |
| CN104314412B true CN104314412B (en) | 2017-02-15 |
Family
ID=52369708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410551175.1A Active CN104314412B (en) | 2014-10-16 | 2014-10-16 | Automatic fume exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104314412B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592780B (en) * | 2022-02-25 | 2023-08-29 | 北京国风建业门窗制造有限公司 | Fireproof window and manufacturing process |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2247046A (en) * | 1990-08-18 | 1992-02-19 | Nuaire Ltd | A load operating mechanism |
| CN2444038Y (en) * | 2000-04-06 | 2001-08-22 | 蔡黎平 | Opening and clossing system for air-vent of automatic exhausting flue and exchanging air at manual machinery |
| CN202832049U (en) * | 2012-09-20 | 2013-03-27 | 陆善祥 | Stealth high airflow and high coverage window |
| CN103821423B (en) * | 2014-02-20 | 2016-08-10 | 宁波合力伟业消防科技有限公司 | Window controlling system |
| CN203729770U (en) * | 2014-03-25 | 2014-07-23 | 宁波合力伟业消防科技有限公司 | Window easy-opening system |
| CN204163543U (en) * | 2014-10-16 | 2015-02-18 | 南京建工集团有限公司 | Automatic smoke exhausting system |
-
2014
- 2014-10-16 CN CN201410551175.1A patent/CN104314412B/en active Active
Also Published As
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|---|---|
| CN104314412A (en) | 2015-01-28 |
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