CN102261151A - Bar-type air outlet, silencing plenum box and grille lamp combined suspended ceiling and construction method thereof - Google Patents
Bar-type air outlet, silencing plenum box and grille lamp combined suspended ceiling and construction method thereof Download PDFInfo
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- CN102261151A CN102261151A CN2011101198571A CN201110119857A CN102261151A CN 102261151 A CN102261151 A CN 102261151A CN 2011101198571 A CN2011101198571 A CN 2011101198571A CN 201110119857 A CN201110119857 A CN 201110119857A CN 102261151 A CN102261151 A CN 102261151A
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- plenum chamber
- suspension rod
- air outlet
- suspended ceiling
- keel
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Abstract
The invention relates to a bar-type air outlet, silencing plenum box and grille lamp combined suspended ceiling and a construction method thereof. An inside keel and a plenum box enclose a reserved equipment belt; a bar-type lamp is arranged in the reserved equipment belt; and an air outlet is hidden in a space formed by the inside keel and an outside keel, so that a combined installation method of the bar-type air outlet and the bar-type lamp is implemented, uniformity and harmony of the suspended ceiling effect is guaranteed. Sound-absorbing wool is adhered to the circumference of the inner wall of the plenum box to form an air outlet branch pipe of the silencing plenum box and the air outlet branch pipe is connected with a soft joint through the air outlet, so the construction problem of precise positioning installation of end equipment is solved, the integrated decorative effect of the suspended ceiling is guaranteed, and specification requirements are met. The bar-type air outlet, silencing plenum box and grille lamp combined suspended ceiling can be widely applied to suspended ceiling decoration of high-level modern office buildings and office buildings.
Description
Technical field
The present invention relates to a kind of public building furred ceiling and job practices thereof, the furred ceiling and the job practices thereof of particularly a kind of bar shaped air port, noise elimination plenum chamber and Grille lamp combination.
Background technology
The furred ceiling of modern senior office building, office premises, because terminal air-conditioning equipment connects airduct, the air port preparation method is made an uproar with the wind that is connected improper generation and mechanicalness noise is more frequent, tend to produce environmental noise, present most of end-equipment does not adopt the noise elimination plenum chamber, air-supply main, arm directly connect the air port, wind is made an uproar bigger with mechanicalness noise, influences working environment, and public buildings such as modern senior office building, office premises require higher to the environmental noise index.
In addition, the arranging of open-office environment furred ceiling equipment air port and strip lamp intersected and phenomenon such as skewness because ceiling tile type selecting difference causes light fixture location and equipment air port to be arranged, and causes problems such as the furred ceiling whole structure is inharmonious.
Seeking and a kind ofly can reduce environmental noise, can have the public building furred ceiling form of good whole finishing effect again, is improve finishing qualities such as modern senior office building, office premises basic.
Summary of the invention
The purpose of this invention is to provide the furred ceiling and the job practices thereof of a kind of bar shaped air port, noise elimination plenum chamber and Grille lamp combination, solve the bigger technical problem of traditional furred ceiling form ambient noise; And the skimble-scamble problem of solution furred ceiling whole finishing effect.
For achieving the above object, the present invention adopts following technical scheme:
The furred ceiling of a kind of bar shaped air port, noise elimination plenum chamber and Grille lamp combination, comprise channel, equipment air port and Grille lamp, described channel comprises main joist of suspended ceiling and inverted T shape keel, described main joist of suspended ceiling is connected with floor by the keel suspension rod, described inverted T shape keel are perpendicular to main joist of suspended ceiling, anti-rolling chock and outer anti-rolling chock are distributed in the main joist of suspended ceiling two ends in comprising two groups, and its web is connected with main joist of suspended ceiling by special connecting piece; The air outlet in described equipment air port is connected with plenum chamber, described plenum chamber is connected with floor by the plenum chamber suspension rod, described strip lamp is connected with floor by the light fixture suspension rod, anti-rolling chock and plenum chamber are enclosed reservation equipment band in described, described strip lamp is installed in the reservation equipment band, its bottom supporting is on the edge of a wing of interior anti-rolling chock, described air outlet is hidden in the space of interior anti-rolling chock and the formation of outside keel, be connected by connecting hose with the air outlet arm of plenum chamber, be stained with acoustical cotton around the inwall of described plenum chamber, described strip lamp and air outlet are isometric.
Connect by hanging piece between described keel suspension rod and the main joist of suspended ceiling.
Two length of described strip lamp are connected with elongated fixedly angle steel to side top by bolt, and described fixedly angle steel is all longer than strip lamp and plenum chamber, grow the strip lamp part and are connected with the light fixture suspension rod.
Described strip lamp is Grille lamp or spot.
Described plenum chamber two length are equipped with the lifting angle steel to side top.
Described plenum chamber suspension rod, light fixture suspension rod and keel suspension rod all are at least four.
Described connecting hose does not fire flexible pipe, silicon fiber Ti-gold no-burning insulation pneumatic hose, aluminium foil insulation pneumatic hose, the compound pneumatic hose of flameproof fabric or flameproof fabric complex heat-preservation pneumatic hose for silicic acid Ti-gold no-burning insulation pneumatic hose, silicotitanium.
The job practices of the furred ceiling of described bar shaped air port, noise elimination plenum chamber and Grille lamp combination, step is as follows:
Step 1: make plenum chamber, and install air intake arm and air outlet arm simultaneously, and the hole of leaking out at shutoff seaming place;
Step 2: to side top two lifting angle steel are installed respectively in plenum chamber two length;
Step 3: around the plenum chamber inwall, be stained with acoustical cotton;
Step 4: design attitude snap the line location plenum chamber suspension rod installing hole and punching on floor are installed in plenum chamber suspension rod one end on the floor;
Step 5: design attitude snap the line location light fixture suspension rod installing hole and punching on floor;
Step 6: design attitude snap the line location keel suspension rod installing hole and punching on floor, the keel suspension rod is installed;
Step 7: with the lifting angle steel on the plenum chamber be connected with the other end of plenum chamber suspension rod, with the air outlet arm of plenum chamber by connecting hose and air outlet;
Step 8: an end of Grille lamp suspension rod is inserted installing hole is connected with floor, strip lamp two long to side top by the elongated fixedly angle steel of bolt connection, lift strip lamp, the other end of light fixture suspension rod and fixing angle steel;
Step 9: main joist of suspended ceiling, inverted T shape keel are installed, are adjusted air port and strip lamp position.
Compared with prior art the present invention has following characteristics and beneficial effect:
The present invention forms the noise elimination plenum chamber by be stained with acoustical cotton around the inwall of plenum chamber, both guaranteed the temperature of air supply system, make air supplying part divide dynamic pressure to become static pressure again, steady air flow and minimizing airstream vibration, reduce the noise in bar shaped air port, it is more even that air quantity is distributed, and can obtain uniform static pressure air-out, reduces the dynamic pressure loss.
The present invention is enclosed reservation equipment band by interior anti-rolling chock and plenum chamber, described Grille lamp is installed in the reservation equipment band, described air outlet is hidden in the space of interior anti-rolling chock and the formation of outside keel, realize bar shaped air port and grid light fixture combined installation method, guaranteed the united and coordinating of furred ceiling effect, avoided conventional air port and light fixture location intersect mutually the particular location of air port (or do not design) phenomenon and influence the integral layout of furred ceiling.This compound mode had not only guaranteed that grid light fixture and bar shaped air port were the installations of separate concealed type but also can guarantee the equipment air port and grid light fixture be independent of each other (light fixture can be removed maintenance separately).
The air outlet arm of plenum chamber of the present invention is connected by connecting hose with air outlet, has both solved the construction difficult problem of the accurate location and installation of end-equipment, has guaranteed the whole decorative effect of furred ceiling again, satisfies code requirement.
The present invention can be widely used in the ceiling decoration of senior modernized office premises, office buildings.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing.
Fig. 1 is a present device air port scheme of installation.
Fig. 2 is an equipment air port installation side view.
Fig. 3 is the strip lamp scheme of installation.
Fig. 4 is that strip lamp is installed sectional drawing.
Fig. 5 is the channel installation drawing.
Fig. 6 is equipment air port, strip lamp and channel aggregate erection schematic diagram.
Fig. 7 is equipment air port, strip lamp and channel combined side figure.
Reference numeral: 1-plenum chamber suspension rod, 2-lifting angle steel, 3-plenum chamber, 4-acoustical cotton, 5-light fixture suspension rod, 6-be angle steel, 7-bolt, 8-air outlet arm, 9-connecting hose, 10-air outlet, 11-strip lamp, 12-inverted T shape keel, 13-keel suspension rod, 14-main joist of suspended ceiling, 15-hanging piece, 16-special connecting piece, 17-air intake arm fixedly.
The specific embodiment
Embodiment is referring to Fig. 1～shown in Figure 7, the furred ceiling of a kind of bar shaped air port, noise elimination plenum chamber and Grille lamp combination, comprise channel, equipment air port and Grille lamp, described channel comprises main joist of suspended ceiling 14 and inverted T shape keel 12, described main joist of suspended ceiling 14 is connected with floor by keel suspension rod 13, described inverted T shape keel 12 are perpendicular to main joist of suspended ceiling 14, anti-rolling chock and outer anti-rolling chock in comprising two groups, be distributed in main joist of suspended ceiling 14 two ends, its web is connected with main joist of suspended ceiling 14 by special connecting piece 16; The air outlet in described equipment air port is connected with plenum chamber, described plenum chamber is connected with floor by plenum chamber suspension rod 1, described strip lamp 11 is connected with floor by light fixture suspension rod 5, it is characterized in that: anti-rolling chock and plenum chamber are enclosed reservation equipment band in described, described strip lamp 11 is installed in the reservation equipment band, its bottom supporting is on the edge of a wing of interior anti-rolling chock, described air outlet 10 is hidden in the space of interior anti-rolling chock and the formation of outside keel, be connected by connecting hose 9 with the air outlet arm 8 of plenum chamber, be stained with acoustical cotton 4 around the inwall of described plenum chamber, described strip lamp 11 and air outlet 10 are isometric.
Connect by hanging piece 15 between described keel suspension rod 13 and the main joist of suspended ceiling 14.
Two length of described strip lamp 11 are connected with elongated fixedly angle steel 6 to side top by bolt 7, and described fixedly angle steel 6 is all longer than strip lamp 11 and plenum chamber 3, grow the strip lamp part and are connected with light fixture suspension rod 5.
Described strip lamp 11 is Grille lamp or spot.
Described plenum chamber two long being equipped with to side top lift angle steel 2.
Described plenum chamber suspension rod 1, light fixture suspension rod 5 and keel suspension rod 13 all are at least four.
Described connecting hose 9 does not fire flexible pipe, silicon fiber Ti-gold no-burning insulation pneumatic hose, aluminium foil insulation pneumatic hose, the compound pneumatic hose of flameproof fabric or flameproof fabric complex heat-preservation pneumatic hose for silicic acid Ti-gold no-burning insulation pneumatic hose, silicotitanium.
The job practices of the furred ceiling of described bar shaped air port, noise elimination plenum chamber and Grille lamp combination, step is as follows:
Step 1: make plenum chamber 3, and install air intake arm 17 and air outlet arm 8 simultaneously, and the hole of leaking out at shutoff seaming place;
Step 2: respectively be equipped with two to side top for 3 liang long at plenum chamber and lift angle steel 2;
Step 3: around plenum chamber 3 inwalls, be stained with acoustical cotton 4;
Step 4: design attitude snap the line location plenum chamber suspension rod installing hole and punching on floor are installed in plenum chamber suspension rod 1 one ends on the floor;
Step 5: design attitude snap the line location light fixture suspension rod 5 installing holes and punching on floor;
Step 6: design attitude snap the line location keel suspension rod 13 installing holes and punching on floor, keel suspension rod 13 is installed;
Step 7: with the lifting angle steel 2 on the plenum chamber 3 be connected with the other end of plenum chamber suspension rod 1, with the air outlet arm 8 of plenum chamber 3 by connecting hose 9 and air outlet 10;
Step 8: an end of Grille lamp suspension rod 5 is inserted installing hole is connected with floor, 11 liang long of strip lamps to side top by the elongated fixedly angle steel 6 of bolt 7 connections, lift strip lamp 11, the other end of light fixture suspension rod 5 and fixing angle steel 6;
Step 9: main joist of suspended ceiling 14, inverted T shape keel 12 are installed, are adjusted air port 10 and strip lamp 11 positions.
Claims (8)
1. the furred ceiling of a bar shaped air port, noise elimination plenum chamber and Grille lamp combination, comprise channel, equipment air port and Grille lamp, described channel comprises main joist of suspended ceiling (14) and inverted T shape keel (12), described main joist of suspended ceiling (14) is connected with floor by keel suspension rod (13), described inverted T shape keel (12) are perpendicular to main joist of suspended ceiling (14), anti-rolling chock and outer anti-rolling chock in comprising two groups, be distributed in main joist of suspended ceiling (14) two ends, its web is connected with main joist of suspended ceiling (14) by special connecting piece (16); The air outlet in described equipment air port is connected with plenum chamber, described plenum chamber is connected with floor by plenum chamber suspension rod (1), described strip lamp (11) is connected with floor by light fixture suspension rod (5), it is characterized in that: anti-rolling chock and plenum chamber are enclosed reservation equipment band in described, described strip lamp (11) is installed in the reservation equipment band, its bottom supporting is on the edge of a wing of interior anti-rolling chock, described air outlet (10) is hidden in the space of interior anti-rolling chock and the formation of outside keel, be connected by connecting hose (9) with the air outlet arm (8) of plenum chamber, be stained with acoustical cotton (4) around the inwall of described plenum chamber, described strip lamp (11) and air outlet (10) are isometric.
2. the furred ceiling of bar shaped according to claim 1 air port, noise elimination plenum chamber and Grille lamp combination is characterized in that: connect by hanging piece (15) between described keel suspension rod (13) and the main joist of suspended ceiling (14).
3. the furred ceiling of bar shaped according to claim 1 air port, noise elimination plenum chamber and Grille lamp combination, it is characterized in that: two length of described strip lamp (11) are connected with elongated fixedly angle steel (6) to side top by bolt (7), described fixedly angle steel (6) is all longer than strip lamp (11) and plenum chamber (3), grows the strip lamp part and is connected with light fixture suspension rod (5).
4. the furred ceiling of bar shaped according to claim 1 air port, noise elimination plenum chamber and Grille lamp combination, it is characterized in that: described strip lamp (11) is Grille lamp or spot.
5. the furred ceiling of bar shaped according to claim 1 air port, noise elimination plenum chamber and Grille lamp combination is characterized in that: described plenum chamber two long being equipped with to side top lift angle steel (2).
6. the furred ceiling of bar shaped according to claim 1 air port, noise elimination plenum chamber and Grille lamp combination, it is characterized in that: described plenum chamber suspension rod (1), light fixture suspension rod (5) and keel suspension rod (13) all are at least four.
7. the furred ceiling of bar shaped according to claim 1 air port, noise elimination plenum chamber and Grille lamp combination is characterized in that: described connecting hose (9) does not fire flexible pipe, silicon fiber Ti-gold no-burning insulation pneumatic hose, aluminium foil insulation pneumatic hose, the compound pneumatic hose of flameproof fabric or flameproof fabric complex heat-preservation pneumatic hose for silicic acid Ti-gold no-burning insulation pneumatic hose, silicotitanium.
8. according to the job practices of the furred ceiling of any described bar shaped air port of claim 1～7, noise elimination plenum chamber and Grille lamp combination, it is characterized in that: step is as follows:
Step 1: make plenum chamber (3), and install air intake arm (17) and air outlet arm (8) simultaneously, and the hole of leaking out at shutoff seaming place;
Step 2: to side top two lifting angle steel (2) are installed respectively in plenum chamber (3) two length;
Step 3: around plenum chamber (3) inwall, be stained with acoustical cotton (4);
Step 4: design attitude snap the line location plenum chamber suspension rod installing hole and punching on floor are installed in plenum chamber suspension rod (1) one end on the floor;
Step 5: design attitude snap the line location light fixture suspension rod (5) installing hole and punching on floor;
Step 6: design attitude snap the line location keel suspension rods (13) installing hole and punching on floor, keel suspension rods (13) are installed;
Step 7: with the lifting angle steel (2) on the plenum chamber (3) be connected with the other end of plenum chamber suspension rod (1), with the air outlet arm (8) of plenum chamber (3) by connecting hose (9) and air outlet (10);
Step 8: the end insertion installing hole of Grille lamp suspension rod (5) is connected with floor, connect elongated fixedly angle steel (6) to side top by bolt (7) in strip lamp (11) two length, lifting strip lamp (11), the other end of light fixture suspension rod (5) and fixing angle steel (6);
Step 9: main joist of suspended ceiling (14), inverted T shape keel (12) are installed, are adjusted air port (10) and strip lamp (11) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110119857 CN102261151B (en) | 2011-05-10 | 2011-05-10 | Bar-type air outlet, silencing plenum box and grille lamp combined suspended ceiling and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110119857 CN102261151B (en) | 2011-05-10 | 2011-05-10 | Bar-type air outlet, silencing plenum box and grille lamp combined suspended ceiling and construction method thereof |
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| Publication Number | Publication Date |
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| CN102261151A true CN102261151A (en) | 2011-11-30 |
| CN102261151B CN102261151B (en) | 2013-01-02 |
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| CN 201110119857 Active CN102261151B (en) | 2011-05-10 | 2011-05-10 | Bar-type air outlet, silencing plenum box and grille lamp combined suspended ceiling and construction method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541482A (en) * | 2013-11-13 | 2014-01-29 | 上海阿鲁考装饰材料有限公司 | Combination equipment belt used for construction function equipment |
| CN104088481A (en) * | 2014-07-18 | 2014-10-08 | 北京城建建设工程有限公司 | Sandwich composite glass fiber reinforced plastic plenum chamber for auditorium and construction method thereof |
| CN104453232A (en) * | 2014-12-23 | 2015-03-25 | 上海聚通装饰集团有限公司 | Light steel suspended ceiling light trough fireproof anti-cracking structure process method |
| CN106545117A (en) * | 2016-05-19 | 2017-03-29 | 武汉科贝科技股份有限公司 | A kind of public utility Integral ceiling and its construction method |
| CN110530098A (en) * | 2019-07-15 | 2019-12-03 | 沪东中华造船(集团)有限公司 | A kind of novel ship ultralow cold storage coil pipe supporting stand and its locating mounting method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2788063Y (en) * | 2005-03-07 | 2006-06-14 | 时沈祥 | Warmer structure arranged in suspended ceiling |
| US20090249717A1 (en) * | 2006-03-17 | 2009-10-08 | Mod-Tec, Llc | Fan filter mounting frame |
| CN201391016Y (en) * | 2009-03-26 | 2010-01-27 | 中建一局集团装饰工程有限公司 | Suspended ceiling converting support |
| CN201762861U (en) * | 2010-08-03 | 2011-03-16 | 浙江奥华电气有限公司 | Indoor multilayer suspended ceiling structure |
-
2011
- 2011-05-10 CN CN 201110119857 patent/CN102261151B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2788063Y (en) * | 2005-03-07 | 2006-06-14 | 时沈祥 | Warmer structure arranged in suspended ceiling |
| US20090249717A1 (en) * | 2006-03-17 | 2009-10-08 | Mod-Tec, Llc | Fan filter mounting frame |
| CN201391016Y (en) * | 2009-03-26 | 2010-01-27 | 中建一局集团装饰工程有限公司 | Suspended ceiling converting support |
| CN201762861U (en) * | 2010-08-03 | 2011-03-16 | 浙江奥华电气有限公司 | Indoor multilayer suspended ceiling structure |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541482A (en) * | 2013-11-13 | 2014-01-29 | 上海阿鲁考装饰材料有限公司 | Combination equipment belt used for construction function equipment |
| CN103541482B (en) * | 2013-11-13 | 2016-06-22 | 上海阿鲁考装饰材料有限公司 | Unit equipment band for building functional device |
| CN104088481A (en) * | 2014-07-18 | 2014-10-08 | 北京城建建设工程有限公司 | Sandwich composite glass fiber reinforced plastic plenum chamber for auditorium and construction method thereof |
| CN104088481B (en) * | 2014-07-18 | 2016-01-27 | 北京城建建设工程有限公司 | The construction method of the composite glass fiber reinforced plenum chamber of a kind of auditorium sandwich |
| CN104453232A (en) * | 2014-12-23 | 2015-03-25 | 上海聚通装饰集团有限公司 | Light steel suspended ceiling light trough fireproof anti-cracking structure process method |
| CN104453232B (en) * | 2014-12-23 | 2017-01-25 | 上海聚通装饰集团有限公司 | Light steel suspended ceiling light trough fireproof anti-cracking structure process method |
| CN106545117A (en) * | 2016-05-19 | 2017-03-29 | 武汉科贝科技股份有限公司 | A kind of public utility Integral ceiling and its construction method |
| CN110530098A (en) * | 2019-07-15 | 2019-12-03 | 沪东中华造船(集团)有限公司 | A kind of novel ship ultralow cold storage coil pipe supporting stand and its locating mounting method |
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| CN102261151B (en) | 2013-01-02 |
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