CN210568894U - Ventilation system that hall negative pressure was handled - Google Patents
Ventilation system that hall negative pressure was handled Download PDFInfo
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- CN210568894U CN210568894U CN201921396234.7U CN201921396234U CN210568894U CN 210568894 U CN210568894 U CN 210568894U CN 201921396234 U CN201921396234 U CN 201921396234U CN 210568894 U CN210568894 U CN 210568894U
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Abstract
The utility model relates to a ventilation system that hall negative pressure was handled, including air conditioning unit with connect in central air conditioning pipeline between air conditioning unit and the hall is still including setting up the air exhauster in stair or elevator, the air exhauster is connected to the central air conditioning pipeline provides gaseous pipeline, be provided with in the hall with the air conditioner gas vent that the central air conditioning pipeline is linked together. When being in negative pressure state indoor, the staff lets in gas through starting the air exhauster, air exhauster in to central air conditioning through pipeline, and gas in the pipeline mixes and discharges into the hall through the air conditioner gas vent to increase the pressure in the hall, make the pressure in the hall maintain with outdoor pressure balance, thereby reduce the cold wind volume in outdoor air conditioning inflow hall.
Description
Technical Field
The utility model belongs to the technical field of ventilation system's technique and specifically relates to a ventilation system that hall negative pressure was handled is related to.
Background
When a first-floor lobby of a commercial building such as a high-rise office building or a hotel is used, a common problem exists, the lobby is generally in a negative pressure state under the combined action of chimney effect generated by gaps between high-rise staircases and elevators and cold air invasion caused by frequently opened outer doors in winter. When the gate is opened, a large amount of outdoor cold air flows into the room through the gate, so that the heating effect of the hall is greatly influenced, and if the heating amount of the central air conditioner to the hall is increased, a large amount of energy is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ventilation system that hall negative pressure was handled, its advantage lies in, when the outer door was opened, reduces outdoor cold air and flows in the hall in a large number.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a ventilation system that hall negative pressure was handled, includes air conditioning unit and connect in central air conditioning pipeline between air conditioning unit and the hall still including setting up the air exhauster in stair or elevator, the air exhauster is connected to the central air conditioning pipeline provides gaseous pipeline, be provided with in the hall with the air conditioner gas vent that central air conditioning pipeline is linked together.
Through adopting above-mentioned scheme, when indoor when being in the negative pressure state, the staff is through starting the air exhauster, and the air exhauster lets in gas in to central air conditioning through pipeline, and gas in the pipeline mixes and discharges into the hall through the air conditioner gas vent in with the gas in the central air conditioning pipeline to increase the pressure in the hall, make the pressure in the hall maintain with outdoor pressure balance, thereby reduce the cold wind volume in outdoor air conditioning inflow hall, and then save the heat in the hall.
Gas in the delivery pipe and central air conditioning's gas mixture back discharge into the hall in, increase the pressure in the hall through this kind of mode, compare and directly let in delivery pipe's gas in to the hall, make indoor heat more even respectively in the above-mentioned scheme.
Preferably, the air conditioning unit comprises an air conditioning body and a shell arranged on the outer side of the air conditioning body, wherein a preheating pipeline is fixed in the shell, one conveying pipeline is connected between the exhaust fan and the preheating pipeline, and the other conveying pipeline is connected between the preheating pipeline and the central air conditioning pipeline.
Through adopting above-mentioned scheme, the air conditioner body is in the use, and a large amount of heats that the air conditioner body produced are discharged into in the casing. When the gas in the conveying pipeline passes through the preheating pipeline, the gas in the preheating pipeline absorbs heat in the shell through the preheating pipeline, so that the temperature in the shell is reduced; meanwhile, the preheating pipeline increases the temperature of the gas in the conveying pipeline, and reduces the loss of the gas conveyed by the conveying pipeline to the heat of the gas in the central air-conditioning pipeline.
Preferably, the distribution track of the preheating pipeline is in a snake-shaped line shape.
Through adopting above-mentioned scheme, preheat the pipeline and be snakelike arranging to increase the area of preheating the pipeline in the casing, and then make the gas in the preheating pipeline fully absorb the heat in the casing through preheating the pipeline.
Preferably, the conveying pipeline is provided with an electric air valve.
Through adopting above-mentioned scheme, through the setting of electronic blast gate, the staff carries out the amount of wind in the pipeline through electronic blast gate and controls.
Preferably, an indoor pressure gauge is arranged on the outer door of the wall in the hall.
Through adopting above-mentioned scheme, through the setting of indoor manometer, the staff measures the pressure of outer door department through indoor manometer to control pipeline's air delivery volume through electronic blast gate.
Preferably, a box body is arranged between the central air-conditioning pipelines, each central air-conditioning pipeline comprises a first pipeline and a second pipeline, the first pipeline is connected between the box body and the air-conditioning unit, the second pipeline is connected between the box body and the air-conditioning exhaust port, and the end part of the first pipeline located in the box body is opposite to the end part of the conveying pipeline located in the box body.
Through adopting above-mentioned scheme, pipeline's tip sets up in the tip of first pipeline relatively, and the steam in the first pipeline flows to same point with the gas in the pipeline to make the better mixture of two kinds of gases and arrange to the hall in through the second pipeline.
Preferably, the box body is internally provided with air guide plates arranged on the side wall of the box body at intervals, the end part of the first pipeline and the end part of the conveying pipeline are positioned on the same side of the air guide plates, and the second pipeline is connected to the box body and positioned on the other side of the air guide plates.
Through adopting above-mentioned scheme, through the setting of air guide plate, further lead to the steam in the first pipeline and the gas in the pipeline to same position to make the more even mixture of gas.
Preferably, the central air-conditioning pipeline is connected with a cross joint, the cross joint is connected with three connecting pipelines which lead to different positions of a hall, and the connecting pipelines are communicated with the air-conditioning exhaust port.
Through adopting above-mentioned scheme, through the setting of cross and connecting pipe to further let in the different positions in the hall with the steam in the central cavity, thereby pressure and temperature in the even increase hall.
To sum up, the utility model discloses a beneficial technological effect does:
1. through adopting above-mentioned scheme, when indoor when being in the negative pressure state, the staff is through starting the air exhauster, and the air exhauster lets in gas in to central air conditioning through pipeline, and gas in the pipeline mixes and discharges into the lobby through the air conditioner gas vent in with the gas in the central air conditioning pipeline to increase the pressure in the lobby, make the pressure in the lobby maintain with outdoor pressure balance, thereby reduce in outdoor air conditioning inflow lobby.
2. The gas in the conveying pipeline and the gas of the central air conditioner are mixed and then discharged into the hall, the pressure in the hall is increased through the mode, and the temperature distribution in the hall is uniform.
Drawings
FIG. 1 is a schematic view of the overall construction of a ventilation system;
FIG. 2 is a schematic view of a connection structure between an air conditioning module and a preheating pipe;
FIG. 3 is a schematic view of the interior of the case;
fig. 4 is a schematic structural diagram of an indoor pressure gauge in a hall.
In the figure: 1. an air conditioning unit; 11. an air conditioner body; 12. a housing; 121. preheating a pipeline; 13. a central air conditioning duct; 131. a first conduit; 132. a second conduit; 2. an exhaust fan; 21. a delivery conduit; 22. an electric air valve; 3. an air conditioner exhaust port; 31. four-way connection; 32. connecting a pipeline; 4. an indoor pressure gauge; 5. a box body; 51. and an air guide plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The gaps between the staircases and the elevators of the high-rise building generate a chimney effect and frequently open the outer door, so that the hall is in a negative pressure state. Therefore, when the door is opened, a large amount of cold air flows into the hall, thereby causing a large amount of waste of warm air. There is provided a ventilating system which can increase the pressure in a room to maintain a positive pressure in the room, thereby reducing the inflow of cool air when an outer door is opened.
Referring to fig. 1, for the utility model discloses a ventilation system that hall negative pressure was handled, including installing in air conditioning unit 1 of air conditioner room, air conditioning unit 1 is connected with the central air conditioning pipeline 13 to supplying the heating installation in the hall. Simultaneously, still including installing exhaust fan 2 in the stair, exhaust fan 2 is connected with pipeline 21, and pipeline 21 communicates in central air conditioning pipeline 13. When being in the negative pressure state indoor, the staff starts air exhauster 2, and air in air exhauster 2 will stair is carried to central air conditioning through pipeline 21 in, and steam mixes and discharges into the hall in the central air conditioning with the gas in pipeline 21 to increase indoor pressure, and then make the hall be in the malleation state. When the outer door is opened, the pressure in the room is positive, so that the cold air outside the room cannot flow into the hall in a large amount.
Referring to fig. 1 and 2, the air conditioning unit 1 includes an air conditioning body 11 and a rectangular parallelepiped casing 12, the air conditioning body 11 is mainly a portion for generating heat, and a central air conditioning duct 13 is connected to the air conditioning body 11. Meanwhile, the casing 12 is mounted on the outer side of the air conditioner body 11, and mainly plays a role of heat insulation.
In order to reduce the waste of heat in the central air-conditioning duct 13 by the gas in the conveying duct 21, a preheating duct 121 made of an aluminum alloy material is arranged in the casing 12, and the preheating duct 121 mainly absorbs the heat in the casing 12; meanwhile, the conveying pipeline 21 is divided into two sections, one section of the conveying pipeline 21 is connected to one end of the exhaust fan 2 and the preheating pipeline 121, and the other section of the conveying pipeline 21 is connected between the other end of the preheating pipeline 121 and the central air-conditioning pipeline 13.
In order to make the preheating pipe 121 absorb heat in the housing 12 as much as possible, the preheating pipe 121 is arranged on the top and rear side of the inner wall of the housing 12, and the arrangement track of the preheating pipe 121 is a serpentine line.
An electric air valve 22 is arranged on the conveying pipeline 21 between the preheating pipeline 121 and the exhaust fan 2, and the air quantity in the conveying pipeline 21 is controlled by a worker through the electric air valve 22, so that the indoor pressure is controlled.
Referring to fig. 1 and 3, in order to uniformly mix the gas in the conveying pipe 21 and the gas in the central air-conditioning pipe 13, a box body 5 is arranged between the joints of the conveying pipe 21 and the central air-conditioning pipe 13, and the gas in the conveying pipe 21 and the gas in the central air-conditioning pipe are uniformly mixed in the box body 5; meanwhile, the central air-conditioning duct 13 includes a first duct 131 and a second duct 132, the first duct 131 is connected between the box body 5 and the air-conditioning body 11, and an end opening of the first duct 131 in the box body 5 is disposed opposite to an end opening of the conveying duct 21 in the box body 5, so that the gas of the first duct 131 and the gas in the conveying duct 21 flow to the same position and are mixed. Meanwhile, the bottom of the box body 5 is vertically fixed with an air guide plate 51, and two sides of the air guide plate 51 are arranged at intervals with the vertical side wall of the box body 5. Since the air guide plate 51 is located at one side of the end of the first duct 131 and the end of the central air-conditioning duct 13, the gas in the first duct 131 and the gas in the delivery duct 21 flow together and mix in the direction of the air guide plate 51. The second pipe 132 is connected to one side of the box 5 and leads to the hall, and the end of the second pipe 132 located in the box 5 is located on one side of the air guide plate 51 far away from the first pipe 131, and the mixed gas flows into the second pipe 132 through the gap between the air guide plate 51 and the inner wall 5 of the box.
One end of the second pipeline 132, which is far away from the box body 5, is connected with a four-way 31, the four-way 31 is connected with connecting pipelines 32 leading to different directions, meanwhile, air conditioner exhaust ports 3 are installed at different positions on the ceiling of the hall, and the connecting pipelines 32 are communicated with the air conditioner exhaust ports 3. Therefore, the connecting duct 32 delivers the hot air in the central air conditioner to the air conditioner discharge port 3 and discharges it into the hall through the air conditioner discharge port 3.
Referring to fig. 4, in order to observe the pressure in the room, the amount of air passing into the hall is better predicted. An indoor pressure gauge 4 is installed on the upper side of the outer door on the wall of the hall, so that the pressure in the hall can be observed.
The implementation principle of the embodiment is as follows: when the indoor space is in a negative pressure state, a worker starts the exhaust fan 2, the exhaust fan 2 pumps the cavity in the staircase away and heats the cavity through the preheating pipeline 121, and the heated gas is conveyed into the box body 5 through the conveying pipeline 21; meanwhile, the hot air in the air conditioner body 11 is conveyed to the box body 5 by the first pipeline 131 and is mixed with the air in the conveying pipeline 21, the mixed air is conveyed to the cross joint 31 through the second pipeline 132, the air in the cross joint 31 is conveyed to the air conditioner exhaust port 3 through the connecting pipeline 32, and the mixed air is conveyed to the lobby through the air conditioner exhaust port 3, so that the pressure in the lobby is increased, and the lobby is maintained in a positive pressure state.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a ventilation system that hall negative pressure was handled, includes air conditioning unit (1) and connect in central air conditioning pipeline (13) between air conditioning unit (1) and the hall, its characterized in that: still including setting up air exhauster (2) in stair or the elevator, air exhauster (2) are connected to the central air conditioning pipeline (13) provide gaseous pipeline (21), be provided with in the hall with air conditioner gas vent (3) that central air conditioning pipeline (13) are linked together.
2. The ventilation system for the negative pressure treatment of the hall as claimed in claim 1, wherein: air conditioning unit (1) includes air conditioner body (11) and sets up in casing (12) in the air conditioner body (11) outside, casing (12) internal fixation has preheating pipe (121), one conveying pipe (21) connect in air exhauster (2) with preheat between pipeline (121), another conveying pipe (21) connect in preheat pipeline (121) with between central air conditioning pipeline (13).
3. The ventilation system for the negative pressure treatment of the hall as claimed in claim 2, wherein: the arrangement track of the preheating pipeline (121) is in a snake-line shape.
4. The ventilation system for the negative pressure treatment of the hall as claimed in claim 1, wherein: an electric air valve (22) is arranged on the conveying pipeline (21).
5. The ventilation system for the negative pressure treatment of the hall as claimed in claim 4, wherein: an indoor pressure gauge (4) is arranged on the outer door of the wall in the hall.
6. The ventilation system for the negative pressure treatment of the hall as claimed in claim 1, wherein: be provided with box (5) between central air conditioning pipeline (13), central air conditioning pipeline (13) include first pipeline (131) and second pipeline (132), first pipeline (131) connect in between box (5) and air conditioning unit (1), second pipeline (132) connect in box (5) with between air conditioner gas vent (3), first pipeline (131) be located box (5) the tip with pipeline (21) are located the relative setting of tip in box (5).
7. The ventilation system for the negative pressure treatment of the hall as claimed in claim 6, wherein: the air guide plate (51) arranged on the side wall of the box body (5) at intervals is arranged in the box body (5), the end part of the first pipeline (131) and the end part of the conveying pipeline (21) are located on the same side of the air guide plate (51), and the second pipeline (132) is connected to the other side of the air guide plate (51) on the box body (5).
8. The ventilation system for the negative pressure treatment of the hall as claimed in claim 1, wherein: the central air-conditioning pipeline (13) is connected with a cross joint (31), the cross joint (31) is connected with three connecting pipelines (32) leading to different positions of a hall, and the connecting pipelines (32) are communicated with the air-conditioning exhaust port (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921396234.7U CN210568894U (en) | 2019-08-23 | 2019-08-23 | Ventilation system that hall negative pressure was handled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921396234.7U CN210568894U (en) | 2019-08-23 | 2019-08-23 | Ventilation system that hall negative pressure was handled |
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| Publication Number | Publication Date |
|---|---|
| CN210568894U true CN210568894U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921396234.7U Active CN210568894U (en) | 2019-08-23 | 2019-08-23 | Ventilation system that hall negative pressure was handled |
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| CN (1) | CN210568894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928381A (en) * | 2020-07-09 | 2020-11-13 | 深圳市金龙空调电器有限公司 | Energy-conserving negative pressure processing system in hall in winter |
-
2019
- 2019-08-23 CN CN201921396234.7U patent/CN210568894U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928381A (en) * | 2020-07-09 | 2020-11-13 | 深圳市金龙空调电器有限公司 | Energy-conserving negative pressure processing system in hall in winter |
| CN111928381B (en) * | 2020-07-09 | 2021-08-03 | 深圳市金龙空调电器有限公司 | Energy-conserving negative pressure processing system in hall in winter |
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