CN102705904A - Air-volume-variable air conditioning system capable of independently controlling temperature and humidity - Google Patents
Air-volume-variable air conditioning system capable of independently controlling temperature and humidity Download PDFInfo
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- CN102705904A CN102705904A CN2011101275510A CN201110127551A CN102705904A CN 102705904 A CN102705904 A CN 102705904A CN 2011101275510 A CN2011101275510 A CN 2011101275510A CN 201110127551 A CN201110127551 A CN 201110127551A CN 102705904 A CN102705904 A CN 102705904A
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Abstract
The invention discloses an air-volume-variable air conditioning system capable of independently controlling temperature and humidity. An output end of a fan is connected to an input end of an air treatment terminal; a controller of the fan is connected to the fan through a wire and controls running of the fan; a gas and liquid heat exchanger is arranged in the air treatment terminal; an output end of a low-temperature cold source is connected to an input end of a control valve; an output end of the control valve is connected to an input end of the gas and liquid heat exchanger; and an output end of the gas and liquid heat exchanger is connected to an input end of the low-temperature cold source. The air conditioning system is simple in structure, and can independently control the temperature and the humidity of air, energy consumption is effectively reduced, and the purpose of quickly adjusting an indoor environment to be in a comfortable state is achieved.
Description
Technical field
The present invention relates to the air handling system that a kind of humiture of variable air rate can independently be controlled.
Background technology
Air handling system is widely used in the human routine work life; For people provide comfortable work and living environment; Usually the adapt circumstance index comprises the temperature and humidity of air, and conventional air-conditioning system is generally only regulated air themperature, and air humidity can not be regulated separately; Therefore often need adopt external heat source for comfort air conditioning system system that has relatively high expectations or industrial air-conditioning system, wait the independent control that realizes humidity like electric heater or Steam Heating.This often causes Cooling and Heat Source counteracting in the air-conditioning system, and energy resource consumption is big.The air handling system that humiture is independently controlled is proposed in recent years; Adopt different regulating systems to handle respectively air themperature and humidity; Realize independent control; As the cold water that adopts the high temperature cold water unit to produce delivers to sensible heat and handles terminal control temperature, but do not have the air dewetting function, and the cold water that adopts the low-temperature cold water unit to produce is delivered to new blower fan group and dehumidified; This system has the characteristics of efficient energy-saving, but this system causes system complex owing to utilize the different equipment realization aerial temperature and humidity of two covers independently to control; Because two cover systems are independent fully, especially sensible heat processing end can not dehumidify simultaneously, when causing air-conditioning system to be opened; Humidity load is bigger; Can not make full use of two cover system collaborative works, cause the air-conditioned room can not the Rapid Realization dehumidifying and cooling, thus can't the indoor suitable a home from home of Rapid Realization.
Summary of the invention
Technical problem to be solved by this invention provides the air handling system that a kind of humiture of variable air rate can independently be controlled; This air handling system is simple in structure; Can realize independent control to aerial temperature and humidity, effectively save energy resource consumption, reach the purpose that realizes the indoor a home from home of quick adjustment.
For solving the problems of the technologies described above; The air handling system that the humiture of variable air rate of the present invention can independently be controlled comprises air-treatment end, gas-liquid heat-exchange, low temperature cold source, control valve, blower fan and controller of fan; Said blower fan output connects the terminal input of said air-treatment; Said controller of fan connects said blower fan and controls fan operation through lead, and said gas-liquid heat-exchange is located in the said air-treatment end, and the output of said low temperature cold source connects the input of said control valve; The output of said control valve connects the input of said gas-liquid heat-exchange, and the output of said gas-liquid heat-exchange connects the input of said low temperature cold source.
Further, the heat transferring medium in above-mentioned gas-liquid heat-exchange and the low temperature cold source is water, anti-icing fluid or cold-producing medium, and the temperature of said heat transferring medium should not be above 20 ℃ greater than 12 ℃.
Further, above-mentioned low temperature cold source is the direct expansion compression refrigerating machine.
Further; Above-mentioned low temperature cold source comprises hydraulic pump and cooling-water machine; The output of said cooling-water machine connects the input of said hydraulic pump, and said hydraulic pressure delivery side of pump connects the input of said control valve, and the output of said gas-liquid heat-exchange connects the input of said cooling-water machine.
Further, above-mentioned air-treatment end can be fan coil or air-treatment case.
Because the air handling system that the humiture of variable air rate of the present invention can independently be controlled has adopted technique scheme; Be that the blower fan output connects the terminal input of air-treatment; Controller of fan connects blower fan and controls fan operation through lead, and gas-liquid heat-exchange is located in the air-treatment end, and the output of low temperature cold source connects the input of control valve; The output of control valve connects the input of gas-liquid heat-exchange, and the output of gas-liquid heat-exchange connects the input of low temperature cold source.This air handling system is simple in structure, can realize independent control to aerial temperature and humidity, has effectively saved energy resource consumption, reaches the purpose that realizes the indoor a home from home of quick adjustment.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed description:
The structural representation of the air handling system that Fig. 1 can independently control for the humiture of variable air rate of the present invention,
Fig. 2 is the psychrometric chart of this air handling system air-treatment.
The specific embodiment
As shown in Figure 1; The air handling system that the humiture of variable air rate of the present invention can independently be controlled comprises air-treatment end 1, gas-liquid heat-exchange 2, low temperature cold source 3, control valve 6, blower fan 4 and controller of fan 5; Said blower fan 4 outputs connect terminal 1 input of said air-treatment; Said controller of fan 5 connects said blower fan 4 through lead and controls blower fan 4 operations; Said gas-liquid heat-exchange 2 is located in the said air-treatment terminal 1; The output of said low temperature cold source 3 connects the input of said control valve 6, and the output of said control valve 6 connects the input of said gas-liquid heat-exchange 2, and the output of said gas-liquid heat-exchange 2 connects the input of said low temperature cold source 3.
The hot and humid air of need handling handles terminal 1 and in air-treatment terminal 1, become humiture with gas-liquid heat-exchange 2 heat exchange by cool-down dehumidification and satisfy the air that human body comfort requires and export from air-treatment terminal 1 through blower fan 4 input airs; Control blower fans 4 running statuses to be adjusted in the air mass flow in the air-treatment terminal 1 through controller of fan 5; Handle the water capacity of terminal 1 output air through the both air flow modulation adjustable air; Regulate the heat transferring medium flow that exports gas-liquid heat-exchange 2 through low temperature cold source 3 to through control valve 6; Thereby regulate the air themperature of the gas-liquid heat-exchange 2 of flowing through, realize the independent control of the terminal 1 delivery air humiture of air-treatment.
Further, above-mentioned gas-liquid heat-exchange 2 is water, anti-icing fluid or cold-producing medium with low temperature cold source 3 interior heat transferring mediums, and the temperature of said heat transferring medium should not surpass 20 ℃ to guarantee that refrigeration system has higher evaporating temperature and higher cycle efficieny greater than 12 ℃.In general, it is 25 ~ 27 ℃ that the standard condition indoor environment temperature of building comfort air conditioning system requires, and 12 ℃ refrigerant temperature has guaranteed enough temperature difference, can satisfy the air-conditioning demand.From the angle of control, can be through refrigeration compressor or this refrigerant temperature of throttling arrangement control.
Further, above-mentioned low temperature cold source 3 is direct expansion compression refrigerating machines.
Further; Above-mentioned low temperature cold source 3 comprises hydraulic pump 8 and cooling-water machine 7; The output of said cooling-water machine 7 connects the input of said hydraulic pump 8, and the output of said hydraulic pump 8 connects the input of said control valve 6, and the output of said gas-liquid heat-exchange 2 connects the input of said cooling-water machine 7.
Further, above-mentioned air-treatment terminal 1 is fan coil or air-treatment case.Fan coil or air-treatment case can have different configurations, comprise the gas-liquid heat-exchange that configuration is different, blower fan, filter etc.
A plurality of blower fan 4 and air-treatment ends 1 that are provided with gas-liquid heat-exchange 2 of being connected with can be adopted in the application scenario different according to this air handling system, native system, are convenient to the Temperature and Humidity Control of multichannel air in the same space.
As shown in Figure 2; The air 11 that needs to handle is become state 12 with the heat transferring medium heat exchange by cool-down dehumidification; Moisture removal is regulated through changing air mass flow, and overall refrigerating effect is regulated through changing heat transferring medium flow or temperature, thereby reaches the requirement of control air temperature, humidity simultaneously.Regulating air quantity can realize through the blower fan of speed variable, regulates heat transferring medium flow or temperature and can realize through compressor or choke valve.
As shown in Figure 2; Under the constant prerequisite of refrigerant side heat transfer boundary condition; The relation of air side state variation and air quantity is: when air mass flow was big, the dehumidifying and the refrigerating capacity of unit air volume were less, if suitably reduce air quantity; The dehumidifying and the refrigerating capacity of unit air volume are bigger, and the air of state 12 is basic identical to the air of the adjusting of the dehumidifying in room and cooling-down effect and state 13.Therefore the scheme through rationally controlling is united the heat transfer boundary condition of regulating air quantity and refrigerant side, simultaneously the moisture removal and the refrigerating capacity of control air side.
The invention provides and a kind ofly can effectively solve the air handling system that aerial temperature and humidity is independently controlled; Promptly utilize the simple compatible system of a cover; Realize the independent control of aerial temperature and humidity, have the advantage of efficient energy-saving, cooling and dehumidifying purpose that simultaneously can the Rapid Realization air.
Claims (5)
1. the air handling system that can independently control of the humiture of a variable air rate; Comprise that air-treatment is terminal; It is characterized in that: also comprise gas-liquid heat-exchange, low temperature cold source, control valve, blower fan and controller of fan, said blower fan output connects the terminal input of said air-treatment, and said controller of fan connects said blower fan and controls fan operation through lead; Said gas-liquid heat-exchange is located in the said air-treatment end; The output of said low temperature cold source connects the input of said control valve, and the output of said control valve connects the input of said gas-liquid heat-exchange, and the output of said gas-liquid heat-exchange connects the input of said low temperature cold source.
2. the air handling system that can independently control of the humiture of variable air rate according to claim 1, it is characterized in that: the heat transferring medium in said gas-liquid heat-exchange and the low temperature cold source is water, anti-icing fluid or cold-producing medium, and the temperature of said heat transferring medium is 12-20 ℃.
3. the air handling system that can independently control of the humiture of variable air rate according to claim 1, it is characterized in that: said low temperature cold source is the direct expansion compression refrigerating machine.
4. the air handling system that can independently control of the humiture of variable air rate according to claim 1; It is characterized in that: said low temperature cold source comprises hydraulic pump and cooling-water machine; The output of said cooling-water machine connects the input of said hydraulic pump; Said hydraulic pressure delivery side of pump connects the input of said control valve, and the output of said gas-liquid heat-exchange connects the input of said cooling-water machine.
5. the air handling system that can independently control of the humiture of variable air rate according to claim 1, it is characterized in that: said air-treatment end is fan coil or air-treatment case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101275510A CN102705904A (en) | 2011-05-17 | 2011-05-17 | Air-volume-variable air conditioning system capable of independently controlling temperature and humidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101275510A CN102705904A (en) | 2011-05-17 | 2011-05-17 | Air-volume-variable air conditioning system capable of independently controlling temperature and humidity |
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| CN102705904A true CN102705904A (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101275510A Pending CN102705904A (en) | 2011-05-17 | 2011-05-17 | Air-volume-variable air conditioning system capable of independently controlling temperature and humidity |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110107995A (en) * | 2019-05-14 | 2019-08-09 | 珠海格力电器股份有限公司 | Control method, the device and system of vav terminal auxiliary heating |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315211A (en) * | 2008-06-09 | 2008-12-03 | 洪国伟 | Independent humiture-controlled air conditioner |
| CN101865506A (en) * | 2009-04-14 | 2010-10-20 | 曾国辉 | Monitoring and control method of air conditioner energy saving system |
| CN202083042U (en) * | 2011-05-17 | 2011-12-21 | 上海成信建业节能科技有限公司 | Air regulating system capable of independently controlling temperature and humidity with variable air volume |
-
2011
- 2011-05-17 CN CN2011101275510A patent/CN102705904A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315211A (en) * | 2008-06-09 | 2008-12-03 | 洪国伟 | Independent humiture-controlled air conditioner |
| CN101865506A (en) * | 2009-04-14 | 2010-10-20 | 曾国辉 | Monitoring and control method of air conditioner energy saving system |
| CN202083042U (en) * | 2011-05-17 | 2011-12-21 | 上海成信建业节能科技有限公司 | Air regulating system capable of independently controlling temperature and humidity with variable air volume |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110107995A (en) * | 2019-05-14 | 2019-08-09 | 珠海格力电器股份有限公司 | Control method, the device and system of vav terminal auxiliary heating |
| CN110107995B (en) * | 2019-05-14 | 2021-06-01 | 珠海格力电器股份有限公司 | Control method, device and system for auxiliary heating of variable air volume tail end |
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Owner name: SHANGHAI INTEGRITY LOW-CARBON TECHNOLOGY DESIGN CO Effective date: 20130422 |
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Effective date of registration: 20130422 Address after: 201107 Shanghai City, Minhang District Wuzhong Road No. 618 building 22 Wuzhong Applicant after: Shanghai Chengxin Jianye Energy-Saving Technology Co.,Ltd. Applicant after: SHANGHAI YINGTAIGERUI LOW CARBON TECHNOLOGY DESIGN CO., LTD. Address before: 201107 Shanghai City, Minhang District Wuzhong Road No. 618 building 22 Wuzhong Applicant before: Shanghai Chengxin Jianye Energy-Saving Technology Co.,Ltd. |
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Application publication date: 20121003 |