CN204923300U - Single wind channel variable blast volume and cold roof beam combined system of passive form - Google Patents
Single wind channel variable blast volume and cold roof beam combined system of passive form Download PDFInfo
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- CN204923300U CN204923300U CN201520688268.9U CN201520688268U CN204923300U CN 204923300 U CN204923300 U CN 204923300U CN 201520688268 U CN201520688268 U CN 201520688268U CN 204923300 U CN204923300 U CN 204923300U
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Abstract
The utility model discloses a single wind channel variable blast volume and cold roof beam combined system of passive form, it relates to the inside compound travelling comfort air conditioning system of public building. It includes passive form leng liang, single wind channel variable -air -volume system end, circulating pump, water supply temperature controller, tee bend electrical control valve, air -handling unit, the terminal three -way control valve of cold roof beam, single wind channel variable -air -volume system end sets up in a room with the cold roof beam of passive form simultaneously, and the terminal three -way control valve of cold roof beam is established to the cold roof beam of the passive form of each branch road, connects in parallel and inserts the circulating pump, and tee bend electrical control valve is connected to the circulating pump, and tee bend electrical control valve links to each other with air -handling unit again, inserts water supply temperature controller between tee bend electrical control valve and circulating pump. The utility model discloses beneficial effect does: its simple structure, reasonable in design, convenient to use, occupation space is little, and the load of system's burden is big, is difficult for arousing the dewfall.
Description
Technical field
The utility model relates to the compound comfort air conditioning system system of public building inside, is specifically related to single air channel variable air rate and the cold beam hybrid system of passive type.
Background technology
Variable air volume system is a kind of form of all-air system, have that regional temperature is controlled, indoor air quality better, compared with constant air volume system the feature such as energy-conservation, but send airduct back to due to it take up room and need the reason such as the Air Conditioning Facilities of certain area, the energy consumption of air-conditioning draught fan, compared with primary air fan-coil system, energy saving (system energy consumption) and macroeconomic (area of floor height and machine room) still have some defects.Single air channel VAV system is the First air sent by variable air volume air handling group, the supply air system of air conditioning area is sent into after the air-valve that end is built-in regulates, end air output constantly regulates by load variations the temperature value reaching indoor setting, the pressure fan of system adopts VFC with economize energy, and the air quantity of end usually calculates by the damp and hot temperature differential method of elimination and the remaining wet method of elimination and gets maximum wherein.
Radiant type cold supply system comprises cold furred ceiling, Leng Liang, capillary etc., be characterized in that indoor thermal comfort is good, acoustic enviroment is good, with the advantage such as structure can be combined closely, but also there is the load born less (being only sensible heat load), new wind needs otherwise processed, easily causes the shortcomings such as condensation trouble.The cold beam of passive type can be arranged on furred ceiling or to be brightly contained in indoor top, itself is without air-supply power, establish metal perforated plate (punching rate of 30% or 50%) as cold emission surface in the downside of cooling coil (cold water temperature is generally not less than 16 DEG C), the convection space being not less than 0.1m need be left at the top of cold beam, except the radiation effects of cold surface, also there is certain Indoor Natural convection function.During in order to prevent cooling, radiant panel surface produces condensation, need control supply water temperature and carry out the dew-point temperature of holding plate surface temperature higher than room.The design supply water temperature of cold water generally at 16 ~ 20 DEG C, supply backwater temperature difference 1 ~ 4 DEG C.
Now provide a kind of compound comfort air conditioning system system, to solve variable air volume system, to take the ceiling void is large, passive type cold beam cold supply system is born load less and easily cause the problem of condensation.
Summary of the invention
The purpose of this utility model is defect for prior art and deficiency, the single air channel variable air rate providing a kind of structure simple, reasonable in design, easy to use and the cold beam hybrid system of passive type, it takes up room little, and the load of System Take is large, not easily causes condensation.
In order to solve the problem existing for background technology, the technical solution adopted in the utility model is: it comprises passive type Leng Liang, single air channel variable air volume system end, circulating pump, Water temperature control device, three-way electric regulating valve, air-treatment unit, cold beam end three-way control valve; Described single air channel variable air volume system end and the cold beam of passive type are arranged on a room simultaneously, the cold beam of passive type of each branch road establishes cold beam end three-way control valve, access circulating pump in parallel again, circulating pump connecting tee electric control valve, three-way electric regulating valve is connected with air-treatment unit again, accesses Water temperature control device between three-way electric regulating valve and circulating pump.
After adopting said structure, the utility model beneficial effect is: the setting of the cold girder system system of passive type makes air-treatment unit air blow and return amount, 3/4ths of simple single air channel variable air volume system can be reduced to, the corresponding reduction of airduct size, the cold beam of passive type can be arranged between beam, so adopt hybrid system can provide the higher interior space for damp and hot amount compared with big room, the natural convection effect produced strengthens indoor air circulation, for the temperature uniformity in room, thermal comfort is all favourable, single air channel variable air volume system air quantity reduces makes air-treatment unit profile reduce, save the area of Air Conditioning Facilities.
accompanying drawing illustrates:
Fig. 1 is water system structural representation of the present utility model;
Fig. 2 is that the cold girder system of passive type is unified the wind system structural representation of single air channel variable air volume system.
Description of reference numerals: the cold beam of passive type 1, single air channel variable air volume system end 2, circulating pump 3, Water temperature control device 4, three-way electric regulating valve 5, air-treatment unit 6, cold beam end three-way control valve 7.
detailed description of the invention:
Below in conjunction with accompanying drawing, the utility model is further described.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with the drawings and the specific embodiments, the utility model is further elaborated.Should be appreciated that detailed description of the invention described herein only in order to explain the utility model, and be not used in restriction the utility model.
As depicted in figs. 1 and 2, this detailed description of the invention adopts following technical scheme: it comprises the cold beam of passive type 1, single air channel variable air volume system end 2, circulating pump 3, Water temperature control device 4, three-way electric regulating valve 5, air-treatment unit 6, cold beam end three-way control valve 7; Described single air channel variable air volume system end 2 and the cold beam 1 of passive type are arranged on a room simultaneously, the cold beam of passive type 1 of each branch road establishes cold beam end three-way control valve 7, access circulating pump 3 in parallel again, circulating pump 3 connecting tee electric control valve 5, three-way electric regulating valve 5 is connected with air-treatment unit 6 again, accesses Water temperature control device 4 between three-way electric regulating valve 5 and circulating pump 3.
Passive type cold beam 1 system separately establishes circulating pump 3, supply and return water temperature is controlled by three-way electric regulating valve 5, in order to strengthen the supply water temperature of air-conditioning supply backwater temperature difference and restriction passive type cold beam 1 system, passive type cold beam 1 system adopts ∏ shape pipe connection method, and passive type cold beam 1 system all picks out from secondary side air-conditioning return pipe for return pipe.
The cold beam of passive type 1 and single air channel variable air volume system end 2 take relevant control, condensation is run to avoid the cold beam 1 of passive type, the new wind of closing single air channel variable air volume system end 2 before operationally line space of going forward side by side adjusts air blow and return circulation, zero load cooling is carried out after 0.5 hour to each room, open new wind again, when return air temperature is not higher than 26 DEG C, passive type cold beam 1 systemic circulation pump 3 brings into operation.
Concrete control logic is as follows: circulating pump 3 is according to air conditioner cold water supply water temperature configuration switch condition: during supply water temperature <10 DEG C, (side light cooling water system for air conditioning is normally opened) circulating pump 3 is opened, and during supply water temperature >15 DEG C, (side light cooling water system for air conditioning unnormal unlocking or low air-conditioning load condition) circulating pump 3 closes.Prevent the cold beam of passive type 1 controlled condition that condenses from being: the positive closing circulating pump 3 when passive type cold beam 1 supply water temperature <14 DEG C (Water temperature control is out of control).
Single air channel variable air volume system end 2 in same room adopts a temperature controller with the cold beam 1 of passive type, indoor temperature controls preferentially to be regulated by single air channel variable air volume system end 2, when single air channel variable air volume system end 2 air-valve standard-sized sheet and room temperature still higher than design temperature time, the cold beam end three-way control valve 7 of the cold beam of passive type 1 is opened and is carried out cooling; Otherwise when room temperature is lower than design temperature, the cold beam end three-way control valve 7 of the cold beam of passive type 1 first cuts out, and reduces single air channel variable air volume system end 2 valve area subsequently again.For investment reduction, condensation sensor can not be established to report to the police in indoor.
This detailed description of the invention makes air-treatment unit air blow and return amount can reduce to 3/4ths of simple single air channel variable air volume system, the corresponding reduction of airduct size, the cold beam of passive type can be arranged between beam, so adopt hybrid system can provide the higher interior space for sensible heat amount compared with big room, the natural convection effect produced strengthens indoor air circulation, all favourable for the temperature uniformity in room, thermal comfort, single air channel variable air volume system air quantity reduces makes air-treatment unit profile reduce, and saves the area of Air Conditioning Facilities.
The above, only in order to the technical solution of the utility model to be described and unrestricted, other amendment that those of ordinary skill in the art make the technical solution of the utility model or equivalently to replace, only otherwise depart from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of right of the present utility model.
Claims (1)
1. single air channel variable air rate and the cold beam hybrid system of passive type, is characterized in that comprising the cold beam of passive type (1), single air channel variable air volume system end (2), circulating pump (3), Water temperature control device (4), three-way electric regulating valve (5), air-treatment unit (6), cold beam end three-way control valve (7); Described single air channel variable air volume system end (2) and the cold beam of passive type (1) are arranged on a room simultaneously, the cold beam of passive type (1) of each branch road establishes cold beam end three-way control valve (7), access circulating pump (3) in parallel again, circulating pump (3) connecting tee electric control valve (5), three-way electric regulating valve (5) is connected with air-treatment unit (6) again, accesses Water temperature control device (4) between three-way electric regulating valve (5) and circulating pump (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688268.9U CN204923300U (en) | 2015-09-08 | 2015-09-08 | Single wind channel variable blast volume and cold roof beam combined system of passive form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688268.9U CN204923300U (en) | 2015-09-08 | 2015-09-08 | Single wind channel variable blast volume and cold roof beam combined system of passive form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204923300U true CN204923300U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520688268.9U Expired - Fee Related CN204923300U (en) | 2015-09-08 | 2015-09-08 | Single wind channel variable blast volume and cold roof beam combined system of passive form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204923300U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928570A (en) * | 2016-04-25 | 2016-09-07 | 上海理工大学 | Return air measuring device used for inducible chilled beam |
| CN111576730A (en) * | 2019-11-20 | 2020-08-25 | 绿城装饰工程集团有限公司 | Composite board with capillary and forming method thereof |
| CN117704540A (en) * | 2024-02-04 | 2024-03-15 | 无锡菲兰爱尔空气质量技术有限公司 | Radiation end system control device matched with chilled beam and method thereof |
-
2015
- 2015-09-08 CN CN201520688268.9U patent/CN204923300U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928570A (en) * | 2016-04-25 | 2016-09-07 | 上海理工大学 | Return air measuring device used for inducible chilled beam |
| CN105928570B (en) * | 2016-04-25 | 2018-10-12 | 上海理工大学 | Return air measuring device for the cold beam of induction type |
| CN111576730A (en) * | 2019-11-20 | 2020-08-25 | 绿城装饰工程集团有限公司 | Composite board with capillary and forming method thereof |
| CN117704540A (en) * | 2024-02-04 | 2024-03-15 | 无锡菲兰爱尔空气质量技术有限公司 | Radiation end system control device matched with chilled beam and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160908 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |