CN103438236B - Adjustable automatic rotary exhaust smoke valve - Google Patents
Adjustable automatic rotary exhaust smoke valve Download PDFInfo
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- CN103438236B CN103438236B CN201310293226.0A CN201310293226A CN103438236B CN 103438236 B CN103438236 B CN 103438236B CN 201310293226 A CN201310293226 A CN 201310293226A CN 103438236 B CN103438236 B CN 103438236B
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Abstract
A kind of adjustable automatic rotary exhaust smoke valve, object solves exhaust smoke valve reset difficulty, the quality improving smoke evacuation and efficiency; The present invention includes fixing grid, rotate grid, start-stop device and control module; Start-stop device comprises rotating shaft, rotating disk, adjustable limiting device, Returnning spring, hot fuse disconnected switch, low voltage DC motor, fixing frame, terminal box and containment vessel; Containment vessel upper end is connected with fixing grid, and low voltage DC motor is contained in containment vessel by fixing frame, and rotating disk is fixed in rotating shaft; Adjustable limiting device comprises fixed plate and rotary piece, and fixed plate is the ring steel disc of hollow, is respectively equipped with screens convex sheet and stops convex sheet in the outside of ring steel disc and inner side; Rotary piece is fixed in rotating shaft; Rotation grid is impeller shape, and fixing grid is Circular fan foliaceous, and rotate grid and be fixed in rotating shaft, fixing grid is fixed on smoke duct; Two out-put supply lines of control module are connected with low voltage DC motor by two-terminal in start-stop device terminal box.
Description
Technical field
The present invention relates to a kind of fire-fighting equipment, be specially a kind of exhaust smoke valve used in smoke control system.
Background technique
In smoke control system, existing general exhaust smoke valve be board-likely electronicly to open, hand reset exhaust smoke valve.In daily use, maintenance or detection, its quite difficulty that resets, is especially positioned at the exhaust smoke valve of upper zone for purging systems such as high-rise factory building, supermarkets.Therefore have many applying units usually for avoiding trouble and not going to open it, for a long time need not cause, and the situation that the used time does not open, cause very big potential safety hazard, in fire accident, flue gas is the main reason caused casualties; Meanwhile, smoke duct has multiple exhaust smoke valve, Conventional plate-type exhaust smoke valve can quota be opened when fire alarm, so often causes from the calm speed of smoke evacuation valve port away from smoke exhaust fan, without discharge capacity, the quality of impact smoke evacuation and efficiency.
Summary of the invention
The present invention seeks to the deficiency for solving above-mentioned prior art, providing a kind of and solving exhaust smoke valve reset difficulty, improving the quality of smoke evacuation and the adjustable automatic rotary exhaust smoke valve of efficiency.
Exhaust smoke valve of the present invention comprises fixing grid, rotates grid, start-stop device and control module; Start-stop device comprises rotating shaft, rotating disk, adjustable limiting device, Returnning spring, hot fuse disconnected switch, low voltage DC motor, fixing frame, terminal box and containment vessel; Containment vessel is drum; its upper end is connected with fixing grid; low voltage DC motor is contained in containment vessel by fixing frame; rotating shaft is low voltage DC motor rotating shaft or its outrigger shaft; rotating disk is fixed in rotating shaft; one end of Returnning spring is fixed on containment vessel, and the other end is fixed on rotating disk, and action of reset spring power is contrary with the active force of low voltage DC motor axis of rotation.Adjustable limiting device comprises fixed plate and rotary piece, and fixed plate is the ring steel disc of hollow, is respectively equipped with screens convex sheet and stops convex sheet in the outside of ring steel disc and inner side; Fixing grid is provided with the equiform groove with fixed plate, the size of groove is slightly larger than fixed plate, several draw-in groove is provided with outside groove, rotate radian direction along rotary piece to be spaced, screens convex sheet on fixed plate is identical with the several draw-in groove shapes on groove, fixed plate is contained in the groove in fixing grid, and screens convex sheet embeds in the draw-in groove on groove, several draw-in groove on fixing grid upper groove, form different stop positions, stop rotary piece, thus form the open angle that different angle of swing is exhaust smoke valve.
Rotary piece is the ring steel disc of hollow, steel disc size is less than fixed plate, the outside of steel disc is provided with stop lug, rotary piece is fixed in rotating shaft by nut, in rotating shaft, vertical direction is provided with a plane, this plane and axis parallel, and rotary piece ring steel disc is provided with the string limit matched with vertical plane in rotating shaft, its length is equal with the width of vertical plane in rotating shaft, and rotary piece is just fixed in rotating shaft and rotates with rotating shaft.
Hot melt disconnects pass and is positioned at containment vessel inner close fitting protection shell wall near fixing grid place, and terminal box is contained on containment vessel, and low voltage DC motor, hot fuse disconnected switch are connected with terminal box inner terminal by wire.Rotation grid is impeller shape, and impeller has certain angle of inclination, so that drive air.Fixing grid is Circular fan foliaceous, and spacing with blades is arranged, blade can be flat, or has certain angle of inclination; The interval of rotating between grid impeller size and fixing grid upper blade is corresponding; Rotating grid is fixed in rotating shaft, and fixing grid can riveted or be screwed on smoke duct, rotates grid and is fixedly mounted in start-stop device rotating shaft, start-stop device action, rotates grid and is driven and opens smoke exhaust port.Rotating shaft, rotating disk, adjustable limiting device, containment vessel, low voltage DC motor fixing frame and terminal box are steel.Control module adopts bay equipment GST-LD-8301 type input/output module, is control means common in Automatic fire a1arm system.Control module is arranged near exhaust smoke valve, on such as wall, on pillar or roof all can, two out-put supply lines of control module are connected with low voltage DC motor by two-terminal in start-stop device terminal box.
Exhaust smoke valve of the present invention is normally closed at ordinary times, and after fire alarm, link its Automatic fire a1arm system control module, connects its start-stop device, open exhaust smoke valve on request; After fire alarm is eliminated, control module resets, and start-stop device can make exhaust smoke valve automatic or manual reset.In real world applications, smoke duct there is multiple exhaust smoke valve, Conventional plate-type exhaust smoke valve can quota be opened when fire alarm, so often cause from the calm speed of smoke evacuation valve port away from smoke exhaust fan, without discharge capacity, exhaust smoke valve of the present invention realizes auto-manual open and close by the control module in Automatic fire a1arm system, adjustable exhaust smoke valve is opened mouth and is increased gradually by less, from the close-by examples to those far off arranges by from smoke exhaust fan.Can solve exhaust smoke valve resets difficult, improves quality and the efficiency of smoke evacuation, simple to operate, easy to use.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present invention;
Fig. 2 is start-stop device structural representation of the present invention;
Fig. 3 is adjustable limiting device structural representation of the present invention.
In figure: 1. rotate grid, 2. fixing grid, 3. start-stop device, 4. rotating shaft; 5. set screw nut, 6. containment vessel, 7. rotating disk, 8. low voltage DC motor; 9. wire, 10. terminal box, 11. fixing frames; 12. adjustable limiting devices, 13. Returnning springs, 14. hot fuse disconnected switchs; 15. screens convex sheet, 16. stop convex sheet, 17. fixed plates; 18. stop lugs, 19. rotary pieces, and 20. rotary pieces wind up limit.
Embodiment
Start-stop device 3 comprises rotating shaft 4, rotating disk 7, adjustable limiting device 12, Returnning spring 13, hot fuse disconnected switch 14, low voltage DC motor 8, fixing frame 11, terminal box 10 and containment vessel 6; Containment vessel 6 upper end is connected with fixing grid 2, and low voltage DC motor 8 is contained in containment vessel 6 by fixing frame 11; Rotating disk 7 is fixed in rotating shaft 4, and Returnning spring 13 one end is fixed on containment vessel 6, and the other end is fixed on rotating disk 7.Adjustable limiting device 12 comprises fixed plate 17 and rotary piece 19, and fixed plate 17 is ring steel discs of hollow, is respectively equipped with screens convex sheet 15 and stops convex sheet 16 in the outside of ring steel disc and inner side.Rotary piece 19 is ring steel discs of hollow, and steel disc size is less than fixed plate 17, and the outside of steel disc is provided with and stops lug 18, and rotary piece 19 is fixed in rotating shaft 4 by nut.
Hot fuse disconnected switch 14 is positioned at containment vessel 6 inner close fitting protection shell wall near fixing grid 2 place, and terminal box 10 is contained on containment vessel 6, and low voltage DC motor 8, hot fuse disconnected switch 14 are connected with terminal box 10 inner terminal by wire.Rotating grid 1 is impeller shape, and fixing grid 2 is Circular fan foliaceous; Rotating grid 1 is fixed in rotating shaft 4, and fixing grid 2 riveted is fixed on smoke duct.Rotating shaft 4, rotating disk 7, adjustable limiting device 12, containment vessel 6, low voltage DC motor fixing frame 11 and terminal box 10 are steel.In rotating shaft 4, vertical direction is provided with a plane, and rotary piece 19 is provided with the string limit 20 matched with vertical plane in rotating shaft 4, and its length is equal with the width of vertical plane in rotating shaft 4, and rotary piece 19 is fixed in rotating shaft 4 and rotates with rotating shaft 4.
Control module adopts bay equipment GST-LD-8301 type input/output module, for control means common in Automatic fire a1arm system, for on-the-spot one-off and the passive-type equipment having actuating signal to export, as exhaust smoke valve, blow valve, fire-closing valve etc. are linked on control bus by control module.Control module adopt Lineside encoding unit encode, have in control module often open for a pair, normally-closed contact.Module has direct current 24 volts of voltages and exports, and also has switch signal input end.
Exhaust smoke valve is normally closed at ordinary times, after fire alarm, and the control module of Automatic fire a1arm system main frame interlock exhaust smoke valve, control module output current makes start-stop device 3 action, drive rotation grid 1 to rotate, fixing grid 2 and rotation grid 1 can be partly or entirely overlapping, open exhaust smoke valve on request; Fire alarm is eliminated, and after host reset, control module resets, and Returnning spring 13 makes exhaust smoke valve close; On Automatic fire a1arm system main frame, the coding that also manually can input exhaust smoke valve control module carrys out manual and electric and controls exhaust smoke valve.
Claims (4)
1. an adjustable automatic rotary exhaust smoke valve, is characterized in that comprising fixing grid, rotating grid, start-stop device and control module; Start-stop device comprises rotating shaft, rotating disk, adjustable limiting device, Returnning spring, hot fuse disconnected switch, low voltage DC motor, fixing frame, terminal box and containment vessel; Containment vessel upper end is connected with fixing grid, and low voltage DC motor is contained in containment vessel by fixing frame, and rotating shaft is low voltage DC motor rotating shaft or its outrigger shaft, and rotating disk is fixed in rotating shaft; One end of Returnning spring is fixed on containment vessel, and the other end is fixed on rotating disk; Adjustable limiting device comprises fixed plate and rotary piece, and fixed plate is the ring steel disc of hollow, is respectively equipped with screens convex sheet and stops convex sheet in the outside of ring steel disc and inner side; Fixing grid is provided with the equiform groove with fixed plate, the size of groove is slightly larger than fixed plate, several draw-in groove is provided with outside groove, rotate radian direction along rotary piece to be spaced, screens convex sheet on fixed plate is identical with the several draw-in groove shapes on groove, fixed plate is contained in the groove in fixing grid, and screens convex sheet embeds in the draw-in groove on groove; Rotary piece is the ring steel disc of hollow, and steel disc size is less than fixed plate, and the outside of steel disc is provided with stop lug, and rotary piece is fixed in rotating shaft; In rotating shaft, vertical direction is provided with a plane, this plane and axis parallel, and rotary piece ring steel disc is provided with the string limit matched with vertical plane in rotating shaft, and its length is equal with the width of vertical plane in rotating shaft; Hot melt disconnects pass and is positioned at containment vessel inner close fitting protection shell wall near fixing grid place, and low voltage DC motor, hot fuse disconnected switch are connected with terminal box inner terminal by wire; Rotation grid is impeller shape, and impeller has certain angle of inclination; Fixing grid is Circular fan foliaceous, and spacing with blades is arranged, the interval of rotating between grid impeller size and fixing grid upper blade is corresponding; Rotating grid is fixed in rotating shaft, and fixing grid is fixed on smoke duct; Two out-put supply lines of control module are connected with low voltage DC motor by two-terminal in start-stop device terminal box.
2. adjustable automatic rotary exhaust smoke valve as claimed in claim 1, is characterized in that fixing grid upper blade is flat.
3. adjustable automatic rotary exhaust smoke valve as claimed in claim 1, is characterized in that fixing grid upper blade has certain angle of inclination.
4. adjustable automatic rotary exhaust smoke valve as claimed in claim 1, is characterized in that control module adopts bay equipment GST-LD-8301 type input/output module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310293226.0A CN103438236B (en) | 2013-07-14 | 2013-07-14 | Adjustable automatic rotary exhaust smoke valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310293226.0A CN103438236B (en) | 2013-07-14 | 2013-07-14 | Adjustable automatic rotary exhaust smoke valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103438236A CN103438236A (en) | 2013-12-11 |
| CN103438236B true CN103438236B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310293226.0A Active CN103438236B (en) | 2013-07-14 | 2013-07-14 | Adjustable automatic rotary exhaust smoke valve |
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| Country | Link |
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| CN (1) | CN103438236B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915388A (en) * | 2021-10-08 | 2022-01-11 | 凯斯达科技有限公司 | Adjustable automatic rotary smoke exhaust valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4241748A (en) * | 1977-05-02 | 1980-12-30 | Prefco Products, Inc. | Butterfly smoke/fire damper |
| CN2165355Y (en) * | 1993-06-16 | 1994-05-18 | 荆其林 | Concentrative blowback type cooking fume fan |
| CN201202852Y (en) * | 2008-06-19 | 2009-03-04 | 毛育敏 | Electric check valve for cooking fume exhauster air outlet |
| BRMU8802418U2 (en) * | 2008-10-23 | 2010-06-29 | Nhoqui Rafael Uyvary | damper actuator for damper cuts fire / smoke and gas |
| CN201944350U (en) * | 2011-03-08 | 2011-08-24 | 张忠 | Smoke exhausting valve |
| CN202065541U (en) * | 2011-04-27 | 2011-12-07 | 宁波东灵水暖空调配件有限公司 | Marine air valve actuator |
-
2013
- 2013-07-14 CN CN201310293226.0A patent/CN103438236B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4241748A (en) * | 1977-05-02 | 1980-12-30 | Prefco Products, Inc. | Butterfly smoke/fire damper |
| CN2165355Y (en) * | 1993-06-16 | 1994-05-18 | 荆其林 | Concentrative blowback type cooking fume fan |
| CN201202852Y (en) * | 2008-06-19 | 2009-03-04 | 毛育敏 | Electric check valve for cooking fume exhauster air outlet |
| BRMU8802418U2 (en) * | 2008-10-23 | 2010-06-29 | Nhoqui Rafael Uyvary | damper actuator for damper cuts fire / smoke and gas |
| CN201944350U (en) * | 2011-03-08 | 2011-08-24 | 张忠 | Smoke exhausting valve |
| CN202065541U (en) * | 2011-04-27 | 2011-12-07 | 宁波东灵水暖空调配件有限公司 | Marine air valve actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103438236A (en) | 2013-12-11 |
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