CN201242243Y - Apparatus for implementing air blow static pressure optimum control method of variable air conditioner system - Google Patents
Apparatus for implementing air blow static pressure optimum control method of variable air conditioner system Download PDFInfo
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- CN201242243Y CN201242243Y CNU2008200535641U CN200820053564U CN201242243Y CN 201242243 Y CN201242243 Y CN 201242243Y CN U2008200535641 U CNU2008200535641 U CN U2008200535641U CN 200820053564 U CN200820053564 U CN 200820053564U CN 201242243 Y CN201242243 Y CN 201242243Y
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Abstract
The utility model discloses a device which realizes the optimized control method of blower static pressure of a variable air volume conditioning system, wherein the input end of a static pressure setting optimizer (4) is electrically connected with an air valve position signal of a variable air volume tail end (6) of each air-conditioning region, the output end of the static pressure setting optimizer (4) is electrically connected with the input end of a static pressure controller (3), the input end of the static pressure controller (3) is further electrically connected with an air channel static pressure sensor (7), and the output end of the static pressure controller (3) is electrically connected with a rotary speed controller (2) of an air feeder (1). The utility model relates to the device of the optimized control method of the blower static pressure of the variable air volume conditioning system, which can guarantee the requirements of the comfort property of each region of the variable air volume conditioning system when the load is higher and can save the energy consumption of the air feeder when the load is lower, the device has simple structure and reliable performance.
Description
Technical field
The utility model relates to a kind of device of realizing air conditioner system air blast static pressure optimizing control method, particularly relates to a kind of device of realizing air quantity changeable air conditioner system air blast static pressure optimizing control method.
Background technology
Air quantity variable air conditioner (VAV) system is a kind of energy-conservation air-conditioning system.During each control band (ZONE) changing load of VAV system, each regional VAV Box (vav terminal) regulates and is sent to the change that each regional air quantity comes the adaptation zone load.For general VAV air-conditioning system, air-supply static pressure controller is regulated the steady state value of static pressure for setting that AHU breeze fan rotating speed keeps the supply air duct somewhere.There is certain defective in such control mode.Because static pressure is constant in the air channel, the VAVBox air-valve in the very big zone that can occur loading does not still satisfy the situation of needs of loading when reaching maximum, thereby does not satisfy the comfortableness requirement of control band; And when the peak load in all VAV zones when setting under the static pressure the available cooling of VAV Box (heat) amount, the air-valve of all VAV Box is not opened to maximum, increases system's duct resistance, has just increased the energy consumption of AHU pressure fan yet.
The utility model content
Technical problem to be solved in the utility model provides and a kind ofly both can guarantee each regional comfortableness requirement of air conditioning system with variable when very big at load, can save the device of the realization air quantity changeable air conditioner system air blast static pressure optimizing control method of breeze fan again when less load.
In order to solve the problems of the technologies described above, the device of the realization air quantity changeable air conditioner system air blast static pressure optimizing control method that the utility model provides, the input that static pressure is set optimizer is electrically connected with the air-valve position signalling of the vav terminal of each air conditioning area, the output that described static pressure is set optimizer is electrically connected with the input of static pressure controller, the input of described static pressure controller also is electrically connected with the air channel static pressure transducer, and the output of described static pressure controller is electrically connected with the rotational speed governor of breeze fan.
Adopt the device of the realization air quantity changeable air conditioner system air blast static pressure optimizing control method of technique scheme, the input signal of telecommunication that static pressure is set optimizer is the air-valve position signal of telecommunication of the vav terminal (VAV Box) of each air conditioning area, the input signal of telecommunication of described static pressure controller is the output signal of telecommunication that static pressure is set optimizer, the input signal of telecommunication of described static pressure controller also has the measurement signal of telecommunication of air channel static pressure transducer, and the input electrical signal of the revolution speed control device of described breeze fan is the output signal of telecommunication of static pressure controller.The air quantity changeable air conditioner system air blast static pressure optimizing control method that the utility model provides, in the air conditioning system with variable several air conditioning areas are arranged, the humiture that each air conditioning area is regulated this air conditioning area by a vav terminal (VAV Box), the static pressure controller is controlled the rotating speed of the breeze fan in the air conditioning system with variable, the valve position signal that static pressure setting optimizer detects the vav terminal (VAV Box) of each air conditioning area is a valve area, pick out the vav terminal (VAV Box) of valve position signal maximum from all valve position signals, static pressure is set optimizer and is changed static pressure setting value P
Set, the valve position of this vav terminal (VAV Box) is reached or near the maximum opening of air-valve; The static pressure controller is set the static pressure setting value P that optimizer is set according to static pressure
SetThe difference of the static pressure that records with the air channel static pressure transducer is controlled the rotating speed of the breeze fan in the air conditioning system with variable, makes the static pressure in air channel reach setting value P
Set
Static pressure is set optimizer and is changed static pressure setting value P
SetMethod be: when the air-valve of the vav terminal (VAV Box) of valve position maximum did not reach maximum opening, static pressure was set optimizer and is progressively reduced air-supply static pressure setting value P
Set, reduce air-supply static pressure setting value P
SetAfter, static pressure controller control breeze fan rotating speed reduces the air channel static pressure, and vav terminal (VAV Box) valve position increases gradually, to reach the air output that load needs; When static pressure was set maximum valve position in the vav terminal (VAV Box) that optimizer detects the valve position maximum near maximum opening (such as, 98% valve seat opening), static pressure was set optimizer and is kept this air-supply static pressure to set value P
SetAnd constantly detect each valve position signal; When static pressure was set maximum valve position signal that optimizer detects the vav terminal (VAV Box) of valve position maximum and reached maximum opening, static pressure is set optimizer progressively increased air channel static pressure setting value P
SetAlong with the increase of air channel static pressure, static pressure controller control breeze fan rotating speed increases air output, and when air output reached certain value, the air-valve of the vav terminal of valve position maximum (VAV Box) can turn down gradually; When the valve position of the vav terminal (VAV Box) of valve position maximum during a little less than maximum opening (such as, 98% valve seat opening), static pressure is set optimizer and is kept this air-supply static pressure to set value P
SetAnd constantly detect each valve position signal.
The air-supply static pressure just is controlled at the floor level that system needs, and the breeze fan rotating speed is controlled at the floor level that system needs, and has reduced the energy consumption of pressure fan.When certain zone load is very big, improves constantly the air channel static pressure and set value and satisfy this regional burden requirement.When the zone load reduces, reduce the static pressure setting value, thereby reduce the rotating speed of breeze fan.
Characteristics of the present utility model: 1, the air-supply static pressure optimal control technology of this patent has been utilized the air-valve position signalling of each regional vav terminal (VAV Box); 2, this patent sets value according to the static pressure that each regional load variations in the system changes supply air duct at any time, and the static pressure setting value changes according to the system loading needs, is not invariable.The air-valve of the vav terminal (VAV Box) that maximum air-valve position signalling is wherein arranged is reached or near maximum opening by changing the static pressure setting value; 3, because the static pressure setting value need change by system, the breeze fan rotating speed is controlled at the minimum speed that system needs all the time; Each regional comfort level requirement when 4, the described control technology of this patent had both satisfied load variations can reduce the energy consumption of breeze fan again to greatest extent.
In sum, the utility model is a kind ofly both can guarantee each regional comfortableness requirement of air conditioning system with variable when very big at load, can save the air quantity changeable air conditioner system air blast static pressure optimizing control method of the energy consumption of breeze fan again when less load.Simple, the dependable performance of the apparatus structure of realizing this method.
Description of drawings
Fig. 1 is air-supply static pressure control principle of optimality figure of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments utility model is described further.
Referring to Fig. 1, the input that static pressure is set optimizer 4 is electrically connected with the air-valve position signalling of the vav terminal 6 of each air conditioning area, the output that static pressure is set optimizer 4 is electrically connected with the input of static pressure controller 3, the input of static pressure controller 3 also is electrically connected with air channel static pressure transducer 7, and the output of static pressure controller 3 is electrically connected with the rotational speed governor 2 of breeze fan 1.The input signal of telecommunication that static pressure is set optimizer 4 is the signal of telecommunication of air-valve position of the vav terminal 6 (VAV Box) of each air conditioning area 5, the input signal of telecommunication of static pressure controller 3 is the output signal of telecommunication that static pressure is set optimizer 4, the input signal of telecommunication of described static pressure controller 3 also has the measurement signal of telecommunication of air channel static pressure transducer 7, and the input signal of telecommunication of the revolution speed control device 2 of breeze fan 1 is the output signal of telecommunication of static pressure controller 3.
Several air conditioning areas 5 are arranged in the air conditioning system with variable, the humiture that each air conditioning area 5 is regulated this air conditioning area 5 by a vav terminal 6 (VAV Box), the valve position signal that static pressure is set the vav terminal 6 (VAV Box) of optimizer 4 each air conditioning area 5 of detection is a valve area, pick out the vav terminal 6 (VAV Box) of valve position signal maximum from all valve position signals, static pressure is set optimizer 4 and is changed static pressure setting value P
Set, the valve position of this vav terminal 6 (VAV Box) is reached or near the maximum opening of air-valve; Static pressure controller 3 is set the static pressure setting value P that optimizer 4 is set according to static pressure
SetThe difference of the static pressure that records with air channel static pressure transducer 7 is controlled (can adopt the voltage output frequency of PID control law control frequency converter to regulate the breeze fan rotating speed) to the rotating speed of the breeze fan in the air conditioning system with variable 1, makes the static pressure in air channel reach setting value P
Set
Static pressure is set the air-valve position signalling D1-Dn (percentage of valve area: the percentage of the aperture of air-valve and the maximum opening of air-valve), optimize setting supply air duct static pressure according to the valve position signal D1-Dn of all vav terminals 6 (VAV Box) of the digitial controller output in the vav terminal 6 (VAV Box) that optimizer 4 obtains each control band 5.Static pressure is set optimizer 4 and is changed static pressure setting value P
SetMethod be: when the air-valve of the vav terminal 6 (VAV Box) of valve position maximum did not reach maximum opening, static pressure was set optimizer 4 and is progressively reduced the air-supply static pressure and set value P
Set, reduce air-supply static pressure setting value P
SetAfter, static pressure controller 3 reduces the air channel static pressure by rotational speed governor 2 control breeze fans 1 rotating speed, and vav terminal 6 (VAV Box) valve position increases gradually, to reach the air output that load needs; When static pressure was set maximum valve position in the vav terminal 6 (VAV Box) that optimizer 4 detects the valve position maximum near maximum opening (such as, 98% valve seat opening), static pressure was set optimizer 4 and is kept this air-supply static pressure setting value P
SetAnd constantly detect each valve position signal; When static pressure is set maximum valve position signal that optimizer 4 detects the vav terminal 6 (VAV Box) of valve position maximum and reached maximum opening (this be air conditioner load increase cause), static pressure is set optimizer 4 progressively increases air channel static pressure setting value P
SetAlong with the increase of air channel static pressure, static pressure controller 3 control breeze fans 1 rotating speed increases air output, and when air output reached certain value, the air-valve of the vav terminal 6 of valve position maximum (VAV Box) can turn down gradually; When the valve position of the vav terminal 6 (VAV Box) of valve position maximum during a little less than maximum opening (such as, 98% valve seat opening), static pressure is set optimizer 4 and is kept this air-supply static pressure setting value P
SetAnd constantly detect each valve position signal.
Like this, the air-supply static pressure just is controlled at the floor level that system needs, and the breeze fan rotating speed is controlled at the floor level that system needs, and has reduced the energy consumption of pressure fan.When certain zone load is very big, improves constantly the air channel static pressure and set value and satisfy this regional burden requirement.When the zone load reduces, reduce the static pressure setting value, thereby reduce the rotating speed of breeze fan.
Claims (1)
1, a kind of device of realizing air quantity changeable air conditioner system air blast static pressure optimizing control method, it is characterized in that: the input that static pressure is set optimizer (4) is electrically connected with the air-valve position signalling of the vav terminal (6) of each air conditioning area, the output that described static pressure is set optimizer (4) is electrically connected with the input of static pressure controller (3), the input of described static pressure controller (3) also is electrically connected with air channel static pressure transducer (7), and the output of described static pressure controller (3) is electrically connected with the rotational speed governor (2) of breeze fan (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200535641U CN201242243Y (en) | 2008-06-30 | 2008-06-30 | Apparatus for implementing air blow static pressure optimum control method of variable air conditioner system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200535641U CN201242243Y (en) | 2008-06-30 | 2008-06-30 | Apparatus for implementing air blow static pressure optimum control method of variable air conditioner system |
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| CN201242243Y true CN201242243Y (en) | 2009-05-20 |
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| CNU2008200535641U Expired - Fee Related CN201242243Y (en) | 2008-06-30 | 2008-06-30 | Apparatus for implementing air blow static pressure optimum control method of variable air conditioner system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102472514A (en) * | 2009-07-01 | 2012-05-23 | Lg电子株式会社 | Ventilation system |
| CN103375419A (en) * | 2012-04-26 | 2013-10-30 | 中山大洋电机股份有限公司 | Constant air quantity control method for motor and air conditioner fan system |
| WO2013159458A1 (en) * | 2012-04-26 | 2013-10-31 | 中山大洋电机股份有限公司 | Motor and constant air volume control method for air-conditioning fan system |
| CN103438508A (en) * | 2013-08-27 | 2013-12-11 | 上海理工大学 | Variable air rate underfloor air distribution tail end system and method for controlling air volume of variable air rate underfloor air distribution tail end system |
| CN103968500A (en) * | 2013-02-04 | 2014-08-06 | 珠海格力电器股份有限公司 | Air conditioner air volume static pressure curve processing method and air conditioner |
-
2008
- 2008-06-30 CN CNU2008200535641U patent/CN201242243Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102472514A (en) * | 2009-07-01 | 2012-05-23 | Lg电子株式会社 | Ventilation system |
| CN102472514B (en) * | 2009-07-01 | 2015-02-18 | Lg电子株式会社 | Ventilation system |
| CN103375419A (en) * | 2012-04-26 | 2013-10-30 | 中山大洋电机股份有限公司 | Constant air quantity control method for motor and air conditioner fan system |
| WO2013159458A1 (en) * | 2012-04-26 | 2013-10-31 | 中山大洋电机股份有限公司 | Motor and constant air volume control method for air-conditioning fan system |
| CN103375419B (en) * | 2012-04-26 | 2015-10-28 | 中山大洋电机股份有限公司 | The constant air capacity control of a kind of motor and air conditioner draught fan system |
| CN103968500A (en) * | 2013-02-04 | 2014-08-06 | 珠海格力电器股份有限公司 | Air conditioner air volume static pressure curve processing method and air conditioner |
| CN103968500B (en) * | 2013-02-04 | 2016-04-13 | 珠海格力电器股份有限公司 | air conditioner air volume static pressure curve processing method and air conditioner |
| CN103438508A (en) * | 2013-08-27 | 2013-12-11 | 上海理工大学 | Variable air rate underfloor air distribution tail end system and method for controlling air volume of variable air rate underfloor air distribution tail end system |
| CN103438508B (en) * | 2013-08-27 | 2016-02-10 | 上海理工大学 | Variable air delivery through floor air-supply end system and air quantity control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20100630 |