CN203310050U - Variable air volume dew-point controlled air conditioning system - Google Patents
Variable air volume dew-point controlled air conditioning system Download PDFInfo
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- CN203310050U CN203310050U CN2013203782603U CN201320378260U CN203310050U CN 203310050 U CN203310050 U CN 203310050U CN 2013203782603 U CN2013203782603 U CN 2013203782603U CN 201320378260 U CN201320378260 U CN 201320378260U CN 203310050 U CN203310050 U CN 203310050U
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- air
- indoor
- conditioner
- cooling coil
- chilled water
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Abstract
The utility model discloses a variable air volume dew-point controlled air conditioning system, which comprises an air return vent and an air outlet formed on an air conditioner, wherein a cooling coil and a fan with a frequency converter are arranged in the air conditioner; the cooling coil is provided with a chilled water outlet pipe and a chilled water supply pipe; the air outlet of the air conditioner is communicated with an indoor blow valve through an air supply duct, and the air return vent of the air conditioner is communicated with an indoor air return valve through an air return duct; a proportioning valve is arranged on the chilled water outlet pipe of the cooling coil; an indoor air supply temperature sensor for detecting indoor air supply temperature, an indoor humidity sensor for detecting indoor humidity and an indoor air return temperature sensor for detecting indoor air return temperature are arranged indoors; and the proportioning valve, the indoor air return temperature sensor and the frequency converter are respectively electrically connected with a controller. The air conditioning system has the characteristics of simple and reasonable structure, flexible operation and low energy consumption.
Description
Technical field
The utility model relates to a kind of air-conditioning system, particularly a kind of air-conditioning system of variable air rate dew point control.
Background technology
At present, in laboratory or public building chamber that the Gao Regao Humid Area is built, its air-treatment end there will be dewfall and the large problem of air conditioning energy consumption usually.
Chinese patent literature CN101676638A discloses a kind of ceiling air conditioner on March 24th, 2010, comprising: at least one outlet that possesses medial surface; Be arranged at the wind deflector of described outlet, be used to adjusting the wind direction of cold air; Be arranged at least one air channel guide structure of certain one side of described medial surface, with the discharge direction for by cold air, be converted to the length direction of described outlet.Described outlet comprises as the central portion in the zone of most of flow of bearing the cold air after heat exchange and is formed at the outer outer part of placing of described central portion, and described air channel guide structure will move to described outer part by a part of cold air in the cold air of described central portion.Described air channel guide structure forms along the thickness direction of the described outlet of the channeling direction as cold air, and is the streamlined structure from the described outer part of described central portion deflection.This ceiling air conditioner can reduce the generation of condensation to a certain extent, still, its complex structure, cost of manufacture is higher, and result of use is not ideal enough.
The utility model content
The purpose of this utility model aims to provide the air-conditioning system that a kind of simple and reasonable, flexible operation, variable air rate dew point that energy consumption is low are controlled, to overcome weak point of the prior art.
Press the air-conditioning system of a kind of variable air rate dew point control of this purpose design, comprise the return air inlet and the air outlet that are arranged on air-conditioner, in air-conditioner, be provided with cooling coil and with the blower fan of frequency converter, on cooling coil, be provided with chilled water outlet pipe and chilled water feed pipe, the air outlet of air-conditioner by air supply duct be arranged on indoor blow valve and communicate, the return air inlet of air-conditioner communicates with being arranged on indoor air returning valve by return air duct, and its architectural feature is to be provided with ratio adjusting valve on the chilled water outlet pipe of cooling coil;
Indoorly be provided with indoor wind pushing temperature sensor for detection of indoor wind pushing temperature, for detection of the indoor humidity sensor of indoor humidity with for detection of the indoor return air temperature sensor of indoor return air temperature;
Ratio adjusting valve, indoor return air temperature sensor, frequency converter are electrically connected to controller respectively.
The utility model is by the indoor Temperature Humidity Sensor that arranges, ratio adjusting valve is arranged on the outlet pipe of cooling coil, at blower fan, frequency converter is set, by indoor temperature change generated in case control ratio control valve opening, control simultaneously fan frequency converter, thereby in conventional air, process on the basis of end, by adding Wind Volume, reducing enthalpy difference, air-treatment is required, on dew-point temperature, to make the dew-point temperature of indoor wind pushing temperature higher than indoor environment to the indoor environment humiture; By the monitoring indoor temperature and humidity, change, adjust air circulation and save fan energy consumption.
Owing to from outdoor, be added into indoor resh air requirement and can change to some extent, the humiture of indoor environment also can change, the refrigeration duty that the air-treatment end bears so need is also in continuous variation, and the utility model can be adjusted air quantity in good time and cold just can accomplish to reduce as much as possible operation energy consumption.
The utility model, by the accurate control and regulation to the indoor circulation cooling system, has solved the problem of southern Gao Regao Humid Area air outlet dewfall, and has accomplished energy-saving run as much as possible, for laboratory provides good operating environment.The utility model is applicable to public building and the hotel of southern Gao Regao Humid Area simultaneously.
The utlity model has simple and reasonable, flexible operation, characteristics that energy consumption is low.
The accompanying drawing explanation
Fig. 1 is the utility model one example structure schematic diagram.
In figure: 1 is return air inlet, and 2 is air outlet, and 3 is cooling coil, 3.1 be the chilled water outlet pipe, 3.2 be the chilled water feed pipe, 4 is the blower fan with frequency converter, 5 is ratio adjusting valve, 6 is indoor wind pushing temperature sensor, 7 is the indoor humidity sensor, and 8 is indoor return air temperature sensor, and 9 is air returning valve, 10 is blow valve, and 11 is controller.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Referring to Fig. 1-Fig. 2, the air-conditioning system that this variable air rate dew point is controlled, comprise the return air inlet 1 and the air outlet 2 that are arranged on air-conditioner, in air-conditioner, be provided with cooling coil 3 and with the blower fan 4 of frequency converter, on cooling coil 3, be provided with chilled water outlet pipe 3.1 and chilled water feed pipe 3.2, the air outlet 2 of air-conditioner by air supply duct be arranged on indoor blow valve 10 and communicate, the return air inlet 1 of air-conditioner communicates with being arranged on indoor air returning valve 9 by return air duct, is provided with ratio adjusting valve 5 on the chilled water outlet pipe 3.1 of cooling coil.
Indoorly be provided with indoor wind pushing temperature sensor 6 for detection of indoor wind pushing temperature, for detection of the indoor humidity sensor 7 of indoor humidity with for detection of the indoor return air temperature sensor 8 of indoor return air temperature.Ratio adjusting valve 5, indoor return air temperature sensor 8, frequency converter are electrically connected to controller respectively.
The control method of the air-conditioning system that the variable air rate dew point is controlled, controller sets value to regulate according to the indoor return air temperature reduced temperature that indoor return air temperature sensor 8 detects.
For example summer, the indoor temperature of laboratory or public building is between 20 ℃～28 ℃, and humidity is between 40%～80%, and best working environment is: 25 ℃ of indoor temperatures, indoor humidity 60%, now, the dew-point temperature of indoor environment is 16.7 ℃.
Therefore, can set 16.7 ℃ and be minimum dew-point temperature limit value, get 1 ℃～2 ℃ allowances, not consider energy consumption midway, the leaving air temp of cooling coil is about 18 ℃, that is to say, indoor leaving air temp is about 18 ℃.
Claims (1)
1. the air-conditioning system controlled of a variable air rate dew point, comprise the return air inlet (1) and the air outlet (2) that are arranged on air-conditioner, in air-conditioner, be provided with cooling coil (3) and with the blower fan (4) of frequency converter, on cooling coil (3), be provided with chilled water outlet pipe (3.1) and chilled water feed pipe (3.2), the air outlet of air-conditioner (2) by air supply duct be arranged on indoor blow valve (10) and communicate, the return air inlet of air-conditioner (1) by return air duct be arranged on indoor air returning valve (9) and communicate, it is characterized in that being provided with ratio adjusting valve (5) on the chilled water outlet pipe (3.1) of cooling coil,
Indoorly be provided with indoor wind pushing temperature sensor (6) for detection of indoor wind pushing temperature, for detection of the indoor humidity sensor (7) of indoor humidity with for detection of the indoor return air temperature sensor (8) of indoor return air temperature;
Ratio adjusting valve (5), indoor return air temperature sensor (8), frequency converter are electrically connected to controller (11) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203782603U CN203310050U (en) | 2013-06-27 | 2013-06-27 | Variable air volume dew-point controlled air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203782603U CN203310050U (en) | 2013-06-27 | 2013-06-27 | Variable air volume dew-point controlled air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203310050U true CN203310050U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013203782603U Expired - Lifetime CN203310050U (en) | 2013-06-27 | 2013-06-27 | Variable air volume dew-point controlled air conditioning system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566835A (en) * | 2015-01-27 | 2015-04-29 | 珠海格力电器股份有限公司 | Control method and control system of condensation prevention of chilled water type air conditioner |
| CN104748326A (en) * | 2015-03-17 | 2015-07-01 | 广东申菱空调设备有限公司 | Chilled water precision air conditioner and energy-conservation control method thereof |
| CN105202630A (en) * | 2015-08-28 | 2015-12-30 | 中山市绿涛电子科技有限公司 | Energy-saving air conditioner cooling system |
| CN105650808A (en) * | 2015-12-29 | 2016-06-08 | 深圳市奥宇节能技术股份有限公司 | Adjusting and controlling method and device for outlet water temperature of chilled water of water chilling unit |
| CN106500259A (en) * | 2016-10-28 | 2017-03-15 | 广州市高衡力节能科技股份有限公司 | Fan coil independent temperature-humidity control device based on absolute moisture content |
| CN110410987A (en) * | 2018-04-27 | 2019-11-05 | 红塔烟草(集团)有限责任公司 | Air-conditioning system chilled water energy-saving control method |
| CN115212997A (en) * | 2022-07-01 | 2022-10-21 | 中国华能集团清洁能源技术研究院有限公司 | Circulating air dew point controllable crushing system and dew point control method |
-
2013
- 2013-06-27 CN CN2013203782603U patent/CN203310050U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566835A (en) * | 2015-01-27 | 2015-04-29 | 珠海格力电器股份有限公司 | Control method and control system of condensation prevention of chilled water type air conditioner |
| CN104748326A (en) * | 2015-03-17 | 2015-07-01 | 广东申菱空调设备有限公司 | Chilled water precision air conditioner and energy-conservation control method thereof |
| CN105202630A (en) * | 2015-08-28 | 2015-12-30 | 中山市绿涛电子科技有限公司 | Energy-saving air conditioner cooling system |
| CN105650808A (en) * | 2015-12-29 | 2016-06-08 | 深圳市奥宇节能技术股份有限公司 | Adjusting and controlling method and device for outlet water temperature of chilled water of water chilling unit |
| CN105650808B (en) * | 2015-12-29 | 2018-11-27 | 深圳市奥宇节能技术股份有限公司 | The regulation method and apparatus of water cooler chilled water leaving water temperature |
| CN106500259A (en) * | 2016-10-28 | 2017-03-15 | 广州市高衡力节能科技股份有限公司 | Fan coil independent temperature-humidity control device based on absolute moisture content |
| CN110410987A (en) * | 2018-04-27 | 2019-11-05 | 红塔烟草(集团)有限责任公司 | Air-conditioning system chilled water energy-saving control method |
| CN110410987B (en) * | 2018-04-27 | 2020-12-29 | 红塔烟草(集团)有限责任公司 | Energy-saving control method for chilled water of air conditioning system |
| CN115212997A (en) * | 2022-07-01 | 2022-10-21 | 中国华能集团清洁能源技术研究院有限公司 | Circulating air dew point controllable crushing system and dew point control method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 528300, 8, No. ten, flourishing machinery equipment garden, Chencun Town, Shunde District, Guangdong, Foshan Patentee after: Guangdong Shenling Environmental Systems Co.,Ltd. Address before: 528300, Foshan District, Guangdong City, Shunde province Chencun Chencun Industrial Zone Patentee before: GUANGDONG SHENLING AIR-CONDITIONING EQUIPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |