CN101093098A - Air conditioning system and control method - Google Patents
Air conditioning system and control method Download PDFInfo
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- CN101093098A CN101093098A CNA2006100904177A CN200610090417A CN101093098A CN 101093098 A CN101093098 A CN 101093098A CN A2006100904177 A CNA2006100904177 A CN A2006100904177A CN 200610090417 A CN200610090417 A CN 200610090417A CN 101093098 A CN101093098 A CN 101093098A
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- conditioning system
- pressure transducer
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Abstract
This invention relates to an air-condition system and its control method, which adjusts wind volume of an indoor set according to static air pressure tested by a static pressure sensor and opens and closes a throttle set on the vent-pipeline according to the air temperature tested by indoor temperature sensor to realize controlling the air-condition system supplying indoor wind, which can prevent over too much indoor wind and cooling and reduce noise.
Description
Technical field
The present invention relates to a kind of air-conditioning system, particularly relate to a kind ofly, regulate the air quantity supply from the indoor set body according to the detected static air pressure of static pressure transducer; According to the detected room temperature of indoor temperature transmitter, the air throttle that folding is arranged on the ventilation shaft comes the air-conditioning system that air quantity is supplied in the control room, the invention still further relates to its control method.
Background technology
The idle call fan cold-producing medium compress, in the evaporation, coacervation process during evaporation and the cold air that heat exchange produced between the surrounding air blow to the indoor refrigeration that reaches, therefore use with indoor refrigeration plant usually.
Air-conditioning is made of the refrigerant piping of indoor set, off-premises station and connection indoor set and off-premises station, and wherein indoor set comprises the indoor heat exchanger that makes refrigeration machine and room air carry out heat exchange and makes the mobile indoor exhaust fan of air that is freezed or heat by heat exchanger; Off-premises station comprises that compression flows into the compressor of cold-producing medium and the outdoor heat exchanger that above-mentioned compressed cold-producing medium and outdoor air are carried out heat exchange from indoor heat exchanger.
Fig. 3 is the pie graph of existing air-conditioning system indoor set.
As shown in Figure 3, the indoor set of existing air-conditioning system is by body 1, and ventilation shaft 2 and a plurality of chamber 3,4,5,6 constitute.
Above-mentioned indoor set body 1 spues through the air of heat exchange by fan (not shown), and these air enter in a plurality of chambers 3,4,5,6 by above-mentioned ventilation shaft 2, reach cold/greenhouse purpose.
But existing air-conditioning system is ignored the load in the chamber 3,4,5,6 when refrigeration, and from the quantitative cold air of body supply, therefore, it is bigger than the amount of demand to be fed to each indoor air quantity, causes indoor temperature to descend excessively.
This shows that above-mentioned existing air-conditioning system obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that air-conditioning system exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of new structure air-conditioning system, just becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing air-conditioning system exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of air-conditioning system of new structure, can improve general existing air-conditioning system, make it have more practicality.Through constantly research, design, and, create the present invention who has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
The objective of the invention is to, overcome the defective that existing air-conditioning system exists, and a kind of air-conditioning system of new structure is provided, technical problem to be solved is to make it can prevent too much air quantity in the supply room, reduce noise simultaneously, prevent indoor excessive refrigeration, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.Air-conditioning system according to the present invention proposes comprises: the static pressure transducer that detects the static air pressure that flows into air-conditioning; Ventilation shaft in the chilled air reception room; The indoor temperature transmitter that the room temperature that the cold air that detection flows into by ventilation shaft causes changes; Be arranged in the above-mentioned ventilation shaft, can regulate the air throttle that flows into indoor air quantity; And according to the detected static pressure adjusting of above-mentioned static pressure transducer air quantity, and, realize flowing into the indoor set body that indoor air quantity is regulated according to the detected air themperature control of above-mentioned indoor temperature transmitter air throttle.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.Aforesaid air-conditioning system, wherein said indoor set body comprises:
The converter compressor that will flow into indoor air cooling;
The converter fan of blow out air; And
Regulate the converter rotation speed of the fan according to the detected static pressure of static pressure transducer, and according to the control part of the detected air themperature folding of above-mentioned indoor temperature transmitter air throttle.
Aforesaid air-conditioning system, wherein said control part when the detected static pressure of static pressure transducer is higher than the target static pressure, reduces the rotation number of converter fan; When the detected static pressure of static pressure transducer is lower than the target static pressure, increase the rotation number of converter fan.
Aforesaid air-conditioning system, wherein said static pressure transducer are arranged at the sound-muffling box inside of the noise that produces when being used to prevent the cold air supply.
Aforesaid air-conditioning system, wherein said air throttle respectively is provided with one at each ventilation shaft.Aforesaid air-conditioning system, wherein said control part, when the detected room temperature of indoor temperature transmitter is higher than design temperature, open air throttle; When the detected room temperature of indoor temperature transmitter is lower than design temperature, closed air throttle.
The object of the invention to solve the technical problems also realizes by the following technical solutions.The control method of the air-conditioning system that proposes according to the present invention comprises:
Static pressure transducer detects the stage through indoor set body refrigeration and air supplied static pressure;
The static pressure that the control part of indoor set body is measured according to static pressure transducer, control change device rotation speed of the fan is realized regulating the stage that air quantity is supplied;
Indoor temperature transmitter detects the stage of air themperature;
The control part of indoor set body is according to the detected air themperature of indoor temperature transmitter, and the folding of control air throttle realizes the stage that air quantity is supplied in the conditioning chamber.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.The control method of aforesaid air-conditioning system, wherein said control part when the detected static pressure of static pressure transducer is higher than the target static pressure, reduces the rotation number of converter fan; When the detected static pressure of static pressure transducer is lower than the target static pressure, increase the rotation number of converter fan.
The control method of aforesaid air-conditioning system, wherein said control part, when the detected room temperature of indoor temperature transmitter is higher than design temperature, open air throttle; When the detected room temperature of indoor temperature transmitter is lower than design temperature, closed air throttle.
By technique scheme, air-conditioning system of the present invention has following advantage at least:
According to the detected static air pressure of static pressure transducer, regulate the air quantity supply from the indoor set body; According to the detected room temperature of indoor temperature transmitter, the air throttle that folding is arranged on the ventilation shaft comes air quantity supply in the control room, realizes preventing from the air quantity that indoor supply is excessive to reduce noise simultaneously, prevents indoor unnecessary excessive refrigeration.
The present invention has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing air-conditioning system has the multinomial effect of enhancement, thereby being suitable for practicality more, and having the extensive value of industry, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the pie graph of air-conditioning system of the present invention.
Fig. 2 is an air-conditioning system control method precedence diagram of the present invention.
Fig. 3 is the pie graph of existing air-conditioning system indoor set.
10: the indoor set body; 11: control part;
12: the converter fan; 13: the converter compressor;
20: sound-muffling box; 21: static pressure transducer;
30: ventilation shaft; 31: the first segment air valve;
32: the second air throttles; 33: the three air throttles;
34: the four air throttles; 40: the first Room;
41: temperature sensor; 50: the second Room;
51: temperature sensor; 60: the three Room;
61: temperature sensor; 70: fourth ventricle;
71: temperature sensor.
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment of air-conditioning system, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Fig. 1 is the pie graph of air-conditioning system of the present invention.
As shown in Figure 1, the structure according to multiple air-conditioning of the present invention comprises:
The indoor set body 10 of supply cold air;
Detect the static pressure transducer 21 of static air pressure;
Be supplied first Room 40, second Room 50, the 3rd Room 60 and the fourth ventricle 70 of cold air;
Be arranged at the indoor temperature transmitter 41,51,61,71 that is used to detect air themperature in the above-mentioned chamber 40,50,60,70;
Give the ventilation shaft 30 of above-mentioned chamber cool-air feed; And
Be arranged at ventilation shaft that each chamber is connected in, first segment air valve 31, second air throttle 32, the 3rd air throttle 33, the 4th air throttle 34 that can folding.
Above-mentioned indoor set body comprises:
The control part 11 of motor-driven work in the control room;
The converter compressor 13 of air cooling;
Blow out the converter fan 12 of cold air.
Above-mentioned indoor set body 10 is regulated air quantity according to the detected static pressure of above-mentioned static pressure transducer, supplies cold air by above-mentioned ventilation shaft 30 in above-mentioned chamber 40,50,60,70.
Above-mentioned static pressure transducer 21 mensuration are given above-mentioned control part 11 from the Hydrostatic Transfer Device of the air quantity air that indoor set body 10 blows out.
Above-mentioned static pressure transducer is arranged in the sound-muffling box 20, can effectively measure the static air pressure that blows out from body 10.
Above-mentioned ventilation shaft 30 connects sound-muffling box 20 and each chamber 40,50,60,70, and above-mentioned sound-muffling box 20 is fed to the cold air that flows into from body 10 in the above-mentioned chamber 40,50,60,70.
Above-mentioned air throttle 31,32,33,34 respectively is provided with one in the ventilation shaft 30 that connects above-mentioned chamber 40,50,60,70, by above-mentioned control part 11 its foldings of control, therefore can supply or cut off the cold air that flow in the chamber 40,50,60,70.
40,50,60,70 respectively are provided with an indoor temperature transmitter 41,51,61,71 in the chamber, measure the air themperature of the cold air change of above-mentioned ventilation shaft 30 supplies, and pass to control part 11.
Above-mentioned control part 11 receives the static pressure measured value from above-mentioned static pressure transducer 21, regulates the per minute rotation number (RPM:revolution per minute) of above-mentioned converter fan 12, the control air quantity.
Above-mentioned control part 11 exists, and when the static pressure of measuring when above-mentioned static pressure transducer 21 is higher than target static pressure, reduces the per minute rotation number of above-mentioned converter fan 12; When the static pressure of measuring when above-mentioned static pressure transducer 21 is lower than target static pressure, increase the per minute rotation number of above-mentioned converter fan 12.
The air themperature that above-mentioned control part 11 is measured based on above-mentioned indoor temperature transmitter 41,51,61,71, the liter that is arranged at the air throttle 31,32,33,34 in the ventilation shaft 30 of controlling each chamber 40,50,60,70 correspondences closes.
Above-mentioned control part 11, when the air themperature of above-mentioned indoor temperature transmitter 41,51,61,71 mensuration is higher than the air themperature of setting, open air throttle 31,32,33,34, it is indoor that cold air can be fed to, and makes air themperature reach desired value; When the air themperature of above-mentioned indoor temperature transmitter 41,51,61,71 mensuration is lower than the air themperature of setting, closed air throttle 31,32,33,34, it is indoor that cold air can not be fed to.
The room temperature that above-mentioned control part 11 is measured according to indoor temperature transmitter 41,51,61,71, the formula of the control of judgement air throttle 31,32,33,34 is as follows:
Formula 1:
A=(T1-T0) (A=air themperature index, T1: measure the air themperature value, T0: target air temperature)
For instance, indoor temperature transmitter 41 detects the first indoor air themperature and obtains said determination air themperature value T1, and the difference of calculating with target air temperature T0 according to above-mentioned formula 1 draws the air themperature Index A.
Above-mentioned air themperature Index A is greater than 0 o'clock, and the open air throttle 31 that is arranged in the first indoor ventilation shaft 30 flows in first Room 40 cold air; Above-mentioned air themperature Index A is less than 0 o'clock, closed first segment air valve 31, and it is first indoor that cold air can not be fed to.
With reference to Fig. 2, Fig. 2 is an air-conditioning system control method precedence diagram of the present invention, S100 when air-conditioning system of the present invention starts, and static pressure transducer is measured the static air pressure S200 that flows out from body.
Whether the indoor set main control section judges above-mentioned static pressure transducer measured value than the high S300 of target static pressure, if the static pressure transducer measured value than target static pressure height, then reduces the rotary speed S350 of converter fan.
In addition, the indoor set main control section judges that above-mentioned static pressure transducer measured value whether than the low S400 of target static pressure, if the static pressure transducer measured value is lower than target static pressure, then increases the rotary speed S450 of converter fan.
As mentioned above, the indoor set main control section can be regulated the rotary speed of converter fan according to the static pressure transducer measured value, reaches to regulate the purpose that blows out air quantity.
Above-mentioned cold air is fed to each indoor refrigeration that reaches by ventilation shaft, and indoor temperature transmitter can be measured each indoor air themperature S500.
S600 when the detected room temperature of above-mentioned indoor temperature transmitter is higher than setting air temperature, the open air throttle that is arranged at the indoor ventilation shaft the inside of passage makes cold airflow go into indoor S650.
S700 when the detected room temperature of above-mentioned indoor temperature transmitter is lower than setting air temperature, closure is arranged at the air throttle of the indoor ventilation shaft the inside of passage, makes cold air can not flow into indoor S750.
The static pressure of the cold air of static pressure transducer indoor set body supply as mentioned above, the rotary speed that the control part of indoor set body is regulated above-mentioned converter fan according to the detected static pressure of static pressure transducer, the purpose that realizes regulating air quantity; Indoor temperature transmitter detects each indoor air themperature, and the control part of above-mentioned body comes air throttle in the folding ventilation shaft according to detected each the indoor air themperature of indoor temperature transmitter, reaches the purpose of control air quantity.Therefore constitute control according to the cold air air quantity in target static pressure and the goal-setting temperature adjusting supply room.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art are in the scope that does not break away from technical solution of the present invention, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (9)
1, a kind of air-conditioning system is characterized in that comprising:
Detect the static pressure transducer of the static air pressure that flows into air-conditioning;
Ventilation shaft in the chilled air reception room;
The indoor temperature transmitter that the room temperature that the cold air that detection flows into by ventilation shaft causes changes;
Be arranged in the ventilation shaft, can regulate the air throttle that flows into indoor air quantity; And
Regulate air quantity according to the detected static pressure of static pressure transducer, and, realize flowing into the indoor set body that indoor air quantity is regulated according to the detected air themperature control of indoor temperature transmitter air throttle.
2, air-conditioning system according to claim 1 is characterized in that wherein said indoor set body comprises:
The converter compressor that will flow into indoor air cooling;
The converter fan of blow out air; And
Regulate the converter rotation speed of the fan according to the detected static pressure of static pressure transducer, and according to the control part of the detected air themperature folding of indoor temperature transmitter air throttle.
3, air-conditioning system according to claim 1 is characterized in that wherein said control part, when the static pressure of measuring when static pressure transducer is higher than the target static pressure, reduces the rotation number of converter fan; When the static pressure of measuring when static pressure transducer is lower than the target static pressure, increase the rotation number of converter fan.
4, air-conditioning system according to claim 1 is characterized in that wherein said static pressure transducer is arranged at, the sound-muffling box inside of the noise that produces when being used to prevent the cold air supply.
5, air-conditioning system according to claim 1 is characterized in that wherein said air throttle, respectively is provided with one at each ventilation shaft.
6, air-conditioning system according to claim 1 is characterized in that wherein said control part, when the detected room temperature of indoor temperature transmitter is higher than design temperature, and open air throttle; When the detected room temperature of indoor temperature transmitter is lower than design temperature, closed air throttle.
7, a kind of air-conditioning system control method is characterized in that comprising:
Static pressure transducer detects the stage through indoor set body refrigeration and air supplied static pressure;
The static pressure that the control part of indoor set body is measured according to static pressure transducer, control change device rotation speed of the fan is realized regulating the stage that air quantity is supplied;
Indoor temperature transmitter detects the stage of air themperature;
The control part of indoor set body is according to the detected air themperature of indoor temperature transmitter, and the folding of control air throttle realizes the stage that air quantity is supplied in the conditioning chamber.
8, air-conditioning system control method according to claim 7 is characterized in that wherein said control part, when the detected static pressure of static pressure transducer is higher than the target static pressure, reduces the rotation number of converter fan; When the detected static pressure of static pressure transducer is lower than the target static pressure, increase the rotation number of converter fan.
9, air-conditioning system control method according to claim 7 is characterized in that wherein said control part, when the room temperature of measuring when indoor temperature transmitter is higher than design temperature, and open air throttle; When the room temperature of measuring when indoor temperature transmitter is lower than design temperature, closed air throttle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100904177A CN101093098A (en) | 2006-06-23 | 2006-06-23 | Air conditioning system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100904177A CN101093098A (en) | 2006-06-23 | 2006-06-23 | Air conditioning system and control method |
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| Publication Number | Publication Date |
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| CN101093098A true CN101093098A (en) | 2007-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2006100904177A Pending CN101093098A (en) | 2006-06-23 | 2006-06-23 | Air conditioning system and control method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291063A (en) * | 2010-06-04 | 2011-12-21 | 山洋电气株式会社 | Driving system for fan and method of driving fan |
| CN103423844A (en) * | 2012-05-22 | 2013-12-04 | 梁文靖 | Air volume measurement balance system |
| CN104728930A (en) * | 2013-12-23 | 2015-06-24 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN109405164A (en) * | 2018-09-20 | 2019-03-01 | 珠海格力电器股份有限公司 | Equipment and its air-cooled ducted air conditioner control method and device |
| CN110986259A (en) * | 2019-11-04 | 2020-04-10 | 珠海格力电器股份有限公司 | Static pressure adjusting device and silence fresh air handling unit of noise reduction |
| CN112443888A (en) * | 2019-09-03 | 2021-03-05 | 广东美的制冷设备有限公司 | Air conditioner and control method and device thereof |
-
2006
- 2006-06-23 CN CNA2006100904177A patent/CN101093098A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291063A (en) * | 2010-06-04 | 2011-12-21 | 山洋电气株式会社 | Driving system for fan and method of driving fan |
| CN102291063B (en) * | 2010-06-04 | 2016-08-24 | 山洋电气株式会社 | The driving means of aerator and driving method |
| CN103423844A (en) * | 2012-05-22 | 2013-12-04 | 梁文靖 | Air volume measurement balance system |
| CN104728930A (en) * | 2013-12-23 | 2015-06-24 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN109405164A (en) * | 2018-09-20 | 2019-03-01 | 珠海格力电器股份有限公司 | Equipment and its air-cooled ducted air conditioner control method and device |
| CN112443888A (en) * | 2019-09-03 | 2021-03-05 | 广东美的制冷设备有限公司 | Air conditioner and control method and device thereof |
| CN110986259A (en) * | 2019-11-04 | 2020-04-10 | 珠海格力电器股份有限公司 | Static pressure adjusting device and silence fresh air handling unit of noise reduction |
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