CN212057636U - Air supply system for large-space office - Google Patents
Air supply system for large-space office Download PDFInfo
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- CN212057636U CN212057636U CN202020258880.3U CN202020258880U CN212057636U CN 212057636 U CN212057636 U CN 212057636U CN 202020258880 U CN202020258880 U CN 202020258880U CN 212057636 U CN212057636 U CN 212057636U
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Abstract
The utility model relates to an air supply system for big space office, including fan coil, side air supply opening, air mixing box, new trend wind gap, wherein fan coil has been installed to the both sides of big space office, and fan coil's one end communicates with each other with the one end of air supply tuber pipe, and the opposite side of air supply tuber pipe communicates with each other with the side air supply opening that big space office established, and fan coil's the other end communicates with each other with air mixing box's air outlet, and air mixing box's air intake communicates with each other with the one end of new trend tuber pipe, and the other end of new trend tuber pipe communicates with each other with the. The utility model discloses it is inhomogeneous effectively to solve big space office wind field, and the temperature field is inhomogeneous, and the problem that the far end windless reachs, the utility model discloses air current tissue is reasonable, and the air conditioner is effectual, can provide different fresh air volume according to personnel's demand simultaneously, and the operation of full new trend can be realized to the transition season.
Description
Technical Field
The utility model relates to an air supply system for big space office belongs to the innovative technology that is used for the air supply system of big space office.
Background
The common air supply mode of the fan coil of the office is upper side supply, return air is provided under the coil, the air supply distance is not far, no air-conditioning air arrives more than seven meters, the wind field is not uniform, the temperature field is not uniform, and if the air supply speed is increased to increase the air supply distance, the noise will be increased; the common office fresh air form is a fan coil and independent fresh air system, the fan coil and independent fresh air system belongs to an air-water system (the heat and humidity loads of an air-conditioning room are simultaneously borne by treated air and water), the fresh air volume of the system is fixed, the form is single, the system cannot adapt to the density change of indoor personnel, and the outdoor natural air cannot be used for free refrigeration in transitional seasons.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to consider above-mentioned problem and provide an air supply system for big space office, the utility model discloses it is inhomogeneous effectively to solve big space office wind field, and the temperature field is inhomogeneous, the problem that the far end windless reachs, the utility model discloses air current organization is reasonable, and the air conditioner is effectual, can provide different fresh air volume according to personnel's demand simultaneously, and the operation of full new trend can be realized to transition season.
The utility model discloses a following technical scheme realizes: the utility model discloses an air supply system for big space office, including fan coil, side air supply opening, air mixing box, new trend wind gap, wherein the fan coil has been installed to the both sides of big space office, and fan coil's one end communicates with each other with the one end of air supply tuber pipe, and the opposite side of air supply tuber pipe communicates with each other with the side air supply opening that big space office established, and fan coil's the other end communicates with each other with air mixing box's air outlet, and air mixing box's air intake communicates with each other with the one end of new trend tuber pipe, and the other end and the new trend wind gap of new trend.
The utility model is used for air supply system of big space office, the new trend passes through the new trend wind gap and introduces from outdoor, and the return air passes through the return air wind gap and draws forth from indoor, and the two gets into the air mixing box through new trend tuber pipe and return air tuber pipe, mixes the back and send into the fan coil pipe, behind fan coil pipe cooling dehumidification, send to indoor by the side air feed opening. After the air sent out from the fan coil is heated indoors and residual heat and moisture in the room are eliminated, one part of the air is returned to the fan coil through the air return opening for circulating treatment, and the other part of the air is connected to the exhaust fan through the air return opening and is exhausted outdoors after being pressurized by the exhaust fan. The utility model discloses it is inhomogeneous effectively to solve big space office wind field, and the temperature field is inhomogeneous, and the problem that the far end windless reachs, the utility model discloses air current tissue is reasonable, and the air conditioner is effectual, can provide different fresh air volume according to personnel's demand simultaneously, and the full new trend operation can be realized to transition season, the utility model relates to a reasonable in design, convenient and practical's an air supply system for big space office.
Drawings
Fig. 1 is a plan view of the present invention;
FIG. 2 is a schematic diagram of the present invention;
FIG. 3 is a schematic structural view of the present invention;
reference numerals: 1. a large space office; 2. an equipment interlayer; 3. outdoors; 4. a fan coil; 5. a side air supply port; 6. an air return air inlet; 7. a wind mixing box; 8. a fresh air port; 9. an exhaust fan; 10. an air supply duct; 11. a return air duct; 12. a fresh air duct; 13. an air exhaust duct; 14. a first air volume adjusting valve; 15. a second air volume adjusting valve; 16. an air exhaust port.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 3, the utility model discloses an air supply system for large space office, including fan coil 4, side air supply opening 5, mix wind case 7, new trend wind gap 8, wherein fan coil 4 has been installed to large space office's 1 both sides, fan coil 4's one end communicates with each other with the one end of air supply tuber pipe 10, the opposite side of air supply tuber pipe 10 communicates with each other with the side air supply opening 5 that large space office 1 established, fan coil 4's the other end communicates with each other with the air outlet of mixing wind case 7, the air intake of mixing wind case 7 communicates with each other with the one end of new trend tuber pipe 12, the other end of new trend tuber pipe 12 communicates with each other with new trend wind gap 8.
The utility model discloses fan coil is great along air supply direction wind speed, and the air supply efflux is far away, and middle zone wind speed is about 0.6 ms, and the flow field distributes evenly. The air speed of the air return area in the direction perpendicular to the air return inlet is about 0.25m/s, the air return condition is good, the whole flow field of an office area is uniformly distributed, and a good ventilation effect can be realized.
In this embodiment, the return air inlet of the air mixing box 7 is communicated with a return air duct 11, and the other end of the return air duct 11 is communicated with a return air inlet 6 provided in the large space office 1 and located indoors.
In this embodiment, the return air duct 11 is provided with a first air volume adjusting valve 14.
In this embodiment, the fresh air duct 12 is provided with a second air volume adjusting valve 15.
In this embodiment, the return air inlet 6 is further provided with an exhaust air inlet, the exhaust air inlet provided on the return air inlet 6 is communicated with one end of an exhaust air pipe 13, the other end of the exhaust air pipe 13 is communicated with an air inlet of an exhaust fan 9, and an air outlet of the exhaust fan 9 is communicated with an exhaust air inlet 16.
In this embodiment, four fan coils 4 are installed on two sides of the large-space office 1.
In this embodiment, the outside of above-mentioned big space office 1 is equipped with the gallery, and the gallery is located outdoor 3, and the gallery passes through the door and communicates with big space office 1.
In this embodiment, the exhaust air port 16 is provided in the outer lane of the outdoor unit 3.
In addition, above-mentioned 1 both sides in big space office are equipped with equipment intermediate layer 2, and equipment intermediate layer 2 sets up in the furred ceiling of 1 both sides in big space office, and equipment intermediate layer 2 is formed by local furred ceiling, the combination of tripe wind gap.
In the embodiment, the size of the fresh air port 8 is 600mm x 300mm, and the air speed is 0.72-2.16 m/s; the size of the side air supply port 5 is 1700mm x 150mm, the air speed is 2.99m/s, and the arrangement form is a counter-blowing mode; the size of the return air inlet 6 is 2400mm x 300mm, and the air speed is 1.83 m/s. An exhaust fan 9 is respectively arranged at the balcony and the corridor, and the design calculation is carried out according to the air exchange times of 1 time/h. The height of the side air supply port 5 is 3.40m, the height of the return air port 6 is 3.15m, the size of the exhaust air port 16 is 600mm x 300mm, and the height is 3.15 m.
The utility model discloses a theory of operation is: fresh air is led in from the outside through a fresh air port 8, return air is led out from the inside through a return air port, and the fresh air and the return air enter a mixed air box 7 through a fresh air pipe 12 and a return air pipe 11, are mixed and then are sent to a fan coil 4, and are cooled and dehumidified through the fan coil 4 and then are sent to the inside through a side air supply port. After the air sent out from the fan coil 4 is heated indoors and residual heat and moisture in the room are eliminated, one part of the air is returned to the fan coil 4 through the air return opening for circulating treatment, and the other part of the air is connected to the exhaust fan 9 through the air return opening and is exhausted outdoors after being pressurized by the exhaust fan 9.
The utility model discloses choose four high static pressure type fan coil pipes for use, send, the distance in return air inlet through increase return air inlet size and control, satisfy the far away air supply distance in office area: the width of the air return opening is not less than 0.30 m, and the width is too small, so that the air speed near the air return opening is high, the static pressure is low, and the air supply flows back in advance; the air return inlet is arranged in the middle of the two air supply outlets and is far away from the air supply outlets on the plane as far as possible, so that the pressure gradient of the air supply outlet is reduced, and the air supply distance is increased. The edge of the air supply outlet is close to the partition wall and is 0.5-1.0 m away from the partition wall, so that attached jet flow is formed, and air can be conveyed to a farther place. The air speed of the air supply outlet is controlled to be 2.8-3.0 m/s, the air speed is too low to blow far, the air speed is too high, and the noise is large. According to relevant specifications and practical experience, the office noise is controlled to be 35-45 dB (A), and the corresponding wind speed is not more than 3 m/s.
The utility model discloses there are three kinds of operational modes: the return air type (hybrid) system adopts an air system of mixing part of fresh air and indoor air, and fresh air and return air are mixed and treated and then are sent into a room to eliminate residual heat and residual humidity; the full fresh air (straight-flow type) system adopts an outdoor fresh air system, fresh air is treated and then is sent into a room, and after residual heat and moisture in the room are eliminated, the fresh air is exhausted from a gap between a door and a window through an exhaust fan or by means of positive pressure; the recirculating (closed) system adopts a circulating air system, namely, after indoor air is treated, the air is returned to the room to eliminate indoor residual heat and humidity.
The utility model relates to an air-water system, its advantage does not need to establish air conditioner room for the wind channel occupies that the building space is little, every room can the independent control humiture, when possessing the advantage of air-water system, has full air system's advantage concurrently, and the accessible increases the new amount of wind in transition season and winter realizes free cooling, practices thrift the operation energy consumption.
Referring to fig. 3, in summer, when the cooling load is large, the first air volume adjusting valve 14 is fully opened, and the second air volume adjusting valve 15 is adjusted to a proper opening degree to maintain the minimum fresh air volume requirement; in transition seasons, fresh air is used as a cold source to the maximum extent, a fixed temperature method is adopted, outdoor fresh air temperature tw is compared with a certain fixed temperature ts, tw ≦ ts is used as a condition for starting a fresh air free cooling working condition (ts is 20.5 ℃ corresponding to ts of hs and hs =47kJ/kg according to the relative humidity of different areas, the relative humidity of the areas is 68%, and ts corresponding to hs =47 kJ/kg), and when the conditions are met, the second air volume adjusting valve 15 is fully opened, and the first air volume adjusting valve 14 is closed.
Claims (9)
1. The utility model provides an air supply system for big space office, its characterized in that includes fan coil, side air supply opening, mixes bellows, new trend wind gap, wherein the fan coil has been installed to the both sides of big space office, and fan coil's one end communicates with each other with the one end of air supply tuber pipe, and the opposite side of air supply tuber pipe communicates with each other with the side air supply opening that big space office set up, and fan coil's the other end communicates with each other with the air outlet that mixes the bellows, and the air intake that mixes the bellows communicates with each other with the one end of new trend tuber pipe, and the other end of new trend tuber pipe communicates.
2. The air supply system for large-space offices as claimed in claim 1, wherein the return air inlet of said air mixing box is connected to a return air duct, and the other end of said return air duct is connected to a return air inlet provided in the large-space office.
3. The air supply system for large space offices as claimed in claim 2, wherein said return air duct is provided with a first air volume adjusting valve.
4. The air supply system for large-space offices as recited in claim 3, wherein said fresh air duct is provided with a second air volume adjusting valve.
5. The air supply system for large-space offices according to any one of claims 2 to 4, wherein said return air opening is further provided with an exhaust air opening, the exhaust air opening provided in the return air opening communicates with one end of an exhaust air duct, the other end of the exhaust air duct communicates with the suction opening of the exhaust fan, and the outlet of the exhaust fan communicates with the exhaust air opening.
6. The air distribution system of claim 5, wherein four fan coils are provided on each side of the office.
7. The air supply system for large space offices as recited in claim 5, wherein said large space office is externally provided with an outer corridor, said outer corridor being located outdoors, said outer corridor being connected to said large space office through a door.
8. The air supply system for large space offices as claimed in claim 7, wherein said discharge air opening is provided in an outdoor corridor.
9. The air supply system for the large-space office as claimed in claim 5, wherein the large-space office is provided with equipment interlayers at both sides thereof, the equipment interlayers are disposed in the suspended ceilings at both sides of the large-space office, and the equipment interlayers are composed of a partial suspended ceiling and a louver opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258880.3U CN212057636U (en) | 2020-03-05 | 2020-03-05 | Air supply system for large-space office |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258880.3U CN212057636U (en) | 2020-03-05 | 2020-03-05 | Air supply system for large-space office |
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| CN212057636U true CN212057636U (en) | 2020-12-01 |
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| CN202020258880.3U Active CN212057636U (en) | 2020-03-05 | 2020-03-05 | Air supply system for large-space office |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623836A (en) * | 2021-07-27 | 2021-11-09 | 重庆美的制冷设备有限公司 | Control method and control device of air conditioner, air conditioner and readable storage medium |
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2020
- 2020-03-05 CN CN202020258880.3U patent/CN212057636U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623836A (en) * | 2021-07-27 | 2021-11-09 | 重庆美的制冷设备有限公司 | Control method and control device of air conditioner, air conditioner and readable storage medium |
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