CN204691811U - Subway station ventilation and air conditioning system variable air rate zonal control fan wall - Google Patents
Subway station ventilation and air conditioning system variable air rate zonal control fan wall Download PDFInfo
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- CN204691811U CN204691811U CN201520432415.6U CN201520432415U CN204691811U CN 204691811 U CN204691811 U CN 204691811U CN 201520432415 U CN201520432415 U CN 201520432415U CN 204691811 U CN204691811 U CN 204691811U
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Abstract
The utility model relates to a kind of subway station ventilation and air conditioning system variable air rate zonal control fan wall, comprise the multiple stage blower fan be embedded in body of wall, described multiple stage blower fan is by fan wall framework and base support arrangements, and run Air Quantity Required according to the different refrigeration systems of subway station ventilation and air conditioning system and Region dividing is carried out to multiple stage blower fan, regional correspondence is provided with an air containment valve, and the open and close of described air containment valve is synchronous with the blower fan of corresponding region.This variable air rate zonal control fan wall suits measures to local conditions to arrange in air channel according to the layout in subway station civil engineering tunnel, rationally distributed, compact to design, reliable and stable; Effectively control air quantity by zonal control, meet different operating mode needs, control method is unique, and energy saving in running is efficient.
Description
Technical field
The utility model relates to the ventilation cleaning air-conditioning system of subway station and the underground space, especially subway station ventilation and air conditioning system variable air rate zonal control fan wall.
Background technology
Tradition subway station air conditioner adopts " water cooled chiller+cooling tower+unitary air handling unit " system, adopts traditional centrifugal blower or tunnel blower to be installed in machine room or new, air draft civil engineering tunnel, realizes the object of air-conditioning, ventilation or smoke evacuation.Traditional subway station ventilation and air conditioning system, with reference to common air-conditioning system, arranges VAV control device in air channel, then by Artificial Control air-valve to control the rotating speed of air channel inner blower, thus control the air quantity of ventilation system.Chinese invention patent as to be CN201110020346 denomination of invention in the patent No. be " variable air quantity blowout apparatus " discloses a kind of variable air quantity blowout apparatus, mixed the backward described variable air quantity blowout apparatus blown out by conditioned space with the air supply induction sent into from outside by the air of conditioned space, it possesses air supply and is induced the main body that air flows and the air quantity regulon controlling air supply and be induced the mixing ratio of air and the blowout air quantity of mixing air within it.But this kind of variable air quantity blowout apparatus need be arranged on the body interior of air-conditioning system, and adopt separate unit high-power blower, except blower fan takies a large amount of spaces in air-conditioning system, Boiler pressure control efficiency is low, also owing to frequently changing the rotating speed of air-conditioning draught fan, and the application life of blower fan is reduced, be unfavorable for the stable operation of air-conditioning system.
In order to save space in main frame, improve Boiler pressure control efficiency, in prior art, common air-conditioning system also has the method adopting and arrange variable air rate fan wall, Chinese literature " fan wall unitary air handling unit " (Chen Yuliang work, see volume the 3rd phase in " Refrigeration & Air-Conditioning " March the 10th in 2010, 38-40 page) disclose a kind of fan wall unitary air handling unit, this kind of fan wall unitary air handling unit according to user to air quantity, the demand of blast adopts several small-powers without volute casing centrifugal blower fan (WKF series) unit, be arranged in order composition fan wall system, motor direct-connection transmission.Adopt exclusive Double-plate machine aerofoil profile aluminum blade without volute casing centrifugal blower fan, the shortcoming that single plate blade noise is high can be made up.Be muffling hole plate without volute casing centrifugal blower fan box inside, outside orifice plate, lay quieter material.Each fan unit can be interconnected by different bulk adjustment combination by sealing plate, forms fan wall.This kind of fan wall unitary air handling unit is mainly used in indoor central air conditioner system, but the fan wall in this kind of air-conditioner set can only be used for the total blast volume regulating air-conditioning system, can not need zonal control air quantity according to indoor zones of different.
Summary of the invention
The purpose of this utility model is to overcome in prior art and does not arrange VAV control fan wall in subway station ventilation and air conditioning system, can not the deficiency of zonal control air quantity, provide a kind of structure simple, be easy to install, the subway station ventilation and air conditioning system variable air rate zonal control fan wall of reliable and stable, energy-conserving and environment-protective.
Above-mentioned purpose of the present utility model is achieved by following technical solution:
A kind of subway station ventilation and air conditioning system variable air rate zonal control fan wall, comprise the multiple stage blower fan be embedded in body of wall, described multiple stage blower fan is by fan wall framework and base support arrangements, and run Air Quantity Required according to the different refrigeration systems of subway station ventilation and air conditioning system and Region dividing is carried out to multiple stage blower fan, regional correspondence is provided with an air containment valve, and unlatching or the closedown of described air containment valve are synchronous with the blower fan of corresponding region.The utility model is run by the corresponding refrigeration system of an air containment valve region, blows according to each refrigeration system Air Quantity Required, energy-conserving and environment-protective.
Wherein, correspondingly on every Fans be provided with the air guide device regulating air flow, line direction can be flow to air and regulate, break-in can be guided between 30 degree to 150 degree, make the air-flow sent more uniform sequential.
Preferably, described blower fan is adjustable speed blower fan, and its adjustable range can be run by electrodeless variable-speed between 0-100%, realizes the accurate coupling of air quantity, ensures the reliable and stable operation of the straight swollen cold type ventilation and air conditioning system air conditioning mode of subway station tunnel type evaporative condenser.
Preferably, body of wall is also provided with thermal insulation casing outward.
This subway station ventilation and air conditioning system variable air rate zonal control fan wall runs in such a way:
When ownership cooling system full load is run, all air containment valves and blower fan are opened and oepration at full load; When the operation at part load of ownership cooling system, the air containment valve of corresponding region and blower fan are opened and are run between load 0 ~ 100%.
When a certain refrigeration system full load is run, the air containment valve of corresponding region and blower fan are opened and full load is run; According to the distribution of running time, other region variable air rate zonal control fan walls according to its load of set of time and switch work shift run, balance the service life of each region blower fan; Wherein load is full load or sub-load, and set of time can be set to early, middle and late three phases, or a period of time switching work shift is often fixed in setting.
When a certain refrigerant system feature load operation, corresponding air containment valve and blower fan are opened and run at load 0 ~ 100%; According to the distribution of running time, other region variable air rate zonal control fan walls according to its load of set of time and switch work shift run, balance the service life of each region blower fan.Wherein load is full load or sub-load, and set of time can be set to early, middle and late three phases, or a period of time switching work shift is often fixed in setting.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) the subway station ventilation and air conditioning system variable air rate zonal control fan wall involved by technical solutions of the utility model arranges draught fan group by subregion, and be equipped with corresponding air containment valve, achieve and adjust air quantity operation, corresponding refrigeration system subregion is run, corresponding refrigeration system subregion adjustable air volume runs, and adjustable wind direction change air-supply path, meet the needs of subway station ventilation and air conditioning system evaporative condenser air draft under different operating mode, ensure that the reliable and stable operation of whole subway station ventilation and air conditioning system.
(2) this subway station ventilation and air conditioning system variable air rate zonal control fan wall suits measures to local conditions to arrange in air channel according to the layout in subway station civil engineering tunnel, realizes air-conditioning all-fresh air, the little new wind of air-conditioning, transition season ventilation, winter ventilation, emergency ventilation, calamity control smoke evacuation etc. and does not plant operational mode automatic switchover and do not affect conflict between each pattern.
And structure is simple, be easy to install, realize precisely controlling air quantity for zones of different, fan life is high, and wind control is effective, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment 1 subway station ventilation and air conditioning system variable air rate zonal control fan wall elevation;
Fig. 2 is the utility model embodiment 1 subway station ventilation and air conditioning system variable air rate zonal control fan wall top view.
Wherein, in figure, sequence number represents:
1-framework and base, 2-thermal insulation casing, 3-air guide device, 4-adjustable speed blower fan, 5-air containment valve, the corresponding air containment valve of 5-1-I district refrigeration system, the corresponding air containment valve of 5-2-II district refrigeration system, the corresponding air containment valve of 5-3-III district refrigeration system, the corresponding air containment valve of 5-4-IV district refrigeration system.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment 1
A kind of subway station ventilation and air conditioning system variable air rate zonal control fan wall, comprise the multiple stage adjustable speed blower fan 4 be embedded in body of wall, described multiple stage blower fan is by fan wall framework and base 1 support arrangements, and run Air Quantity Required according to the different refrigeration systems of subway station ventilation and air conditioning system and four regions are divided into multiple stage blower fan 4, regional correspondence is provided with an air containment valve 5, the open and close of described air containment valve 5 is synchronous with the blower fan 4 of corresponding region, can realize the corresponding refrigeration system in air containment valve 5 region and run.
Wherein, correspondingly on every Fans be provided with the air guide device 3 regulating air flow, line direction can be flow to air and regulate, break-in can be guided between 30 degree to 150 degree, make the air-flow sent more uniform sequential.
The adjustable range of the adjustable speed blower fan 4 in this fan wall can be run by electrodeless variable-speed between 0-100%, realize the accurate coupling of air quantity, ensure the reliable and stable operation of the straight swollen cold type ventilation and air conditioning system air conditioning mode of subway station tunnel type evaporative condenser, body of wall is also provided with thermal insulation casing 2 outward.
This subway station ventilation and air conditioning system variable air rate zonal control fan wall runs in such a way:
When I district, II district, III district, IV district refrigeration system are run, I refrigeration system corresponding air containment valve 5-2, III district of district's refrigeration system corresponding air containment valve 5-1, II district corresponding air containment valve 5-4 of refrigeration system corresponding air containment valve 5-3, IV district refrigeration system and corresponding blower fan are opened and oepration at full load; When the operation at part load of ownership cooling system, the air containment valve 5 of corresponding region and blower fan 4 are opened and are run between load 0 ~ 100%.
When ownership cooling system full load is run, all air containment valves 5 and blower fan 4 are opened and oepration at full load; When the operation at part load of ownership cooling system, the air containment valve 5 of corresponding region and blower fan 4 are opened and are run between load 0 ~ 100%.
When a certain refrigeration system full load is run, the air containment valve 5 of corresponding region and blower fan 4 are opened and full load is run; According to the distribution of running time, other region variable air rate zonal control fan walls, according to the time, balance the service life of each region blower fan; As when I district refrigeration system full load is run, the air containment valve 5-1 of corresponding region and blower fan are opened and full load is run; Other region variable air rate zonal control fan wall full load switch work shift for each two hours and run, and balance the service life of each region blower fan;
When a certain refrigerant system feature load operation, corresponding air containment valve 5 and blower fan 4 are opened and run at load 0 ~ 100%; According to the distribution of running time, other region variable air rate zonal control fan walls arrange its load according to the time as early, middle and late and switch work shift operation, balance the service life of each region blower fan, as when I district refrigeration system 50% load operation, the air containment valve 5-1 of corresponding region and blower fan are opened and 50% load operation; Other region variable air rate zonal control fan wall loads 50% also switch work shift operation for each two hours.
Claims (4)
1. a subway station ventilation and air conditioning system variable air rate zonal control fan wall, comprise the multiple stage blower fan be embedded in body of wall, described multiple stage blower fan is by fan wall framework and base support arrangements, it is characterized in that, run Air Quantity Required according to the different refrigeration systems of subway station ventilation and air conditioning system and Region dividing is carried out to multiple stage blower fan, regional correspondence is provided with an air containment valve, and unlatching or the closedown of described air containment valve are synchronous with the blower fan of corresponding region.
2. subway station ventilation and air conditioning system variable air rate zonal control fan wall according to claim 1, is characterized in that, correspondingly on every Fans is provided with the air guide device regulating air flow.
3. subway station ventilation and air conditioning system variable air rate zonal control fan wall according to claim 1, it is characterized in that, described blower fan is adjustable speed blower fan.
4. subway station ventilation and air conditioning system variable air rate zonal control fan wall according to claim 1, is characterized in that, be provided with thermal insulation casing outside body of wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432415.6U CN204691811U (en) | 2015-06-23 | 2015-06-23 | Subway station ventilation and air conditioning system variable air rate zonal control fan wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432415.6U CN204691811U (en) | 2015-06-23 | 2015-06-23 | Subway station ventilation and air conditioning system variable air rate zonal control fan wall |
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| CN204691811U true CN204691811U (en) | 2015-10-07 |
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| CN201520432415.6U Active CN204691811U (en) | 2015-06-23 | 2015-06-23 | Subway station ventilation and air conditioning system variable air rate zonal control fan wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895598A (en) * | 2015-06-23 | 2015-09-09 | 广东申菱空调设备有限公司 | Variable-air-volume zone control fan wall for subway station ventilation and air conditioning system and control method |
-
2015
- 2015-06-23 CN CN201520432415.6U patent/CN204691811U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895598A (en) * | 2015-06-23 | 2015-09-09 | 广东申菱空调设备有限公司 | Variable-air-volume zone control fan wall for subway station ventilation and air conditioning system and control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528313 Shunde City, Foshan province Chencun town machinery and equipment Park, No. ten, No. Road, No. 8 Patentee after: GUANGDONG SHENLING AIR-CONDITIONING EQUIPMENT CO., LTD. Address before: 528313 Shunde City, Foshan province Chencun town machinery and equipment Park, No. ten, No. Road, No. 8 Patentee before: Guangdong Shenling Air Conditioning Equipment Co., Ltd. |