CN102312826A - System capable of saving no-load energy consumption for air compressor - Google Patents
System capable of saving no-load energy consumption for air compressor Download PDFInfo
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- CN102312826A CN102312826A CN2010102211969A CN201010221196A CN102312826A CN 102312826 A CN102312826 A CN 102312826A CN 2010102211969 A CN2010102211969 A CN 2010102211969A CN 201010221196 A CN201010221196 A CN 201010221196A CN 102312826 A CN102312826 A CN 102312826A
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- empty wagons
- time
- specified duration
- air compressor
- pressure
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Abstract
The invention discloses a system capable of saving no-load energy consumption for an air compressor. The system comprises a controller, wherein the controller is used for launching the air compressor and making the air compressor circularly perform heavy-load running, no-load running and machine halt in sequence; and when the no-load running time of the air compressor is too long according to judgment, the no-load running time is corrected once again by using the controller, so that the air compressor stops running once again once being launched in a next cycle and the no-load running time thereof reaches the corrected no-load running time. The no-load running time is shortened, so that the situation of unnecessary energy consumption during no-load running is improved.
Description
Technical field
The present invention relates to a kind of air compressor, be meant a kind of open drive time that can adjust air compressor automatically especially, to save the system of empty wagons power consumption of a specified duration.
Background technique
General spiral air compressor includes a using end, a gas receiver and a controller; Said controller is connected with said using end and said gas receiver, and in have a goal-selling pressure P
U(kg/cm
2), a Minimum operating pressure P
L(kg/cm
2); Wherein said goal-selling pressure P
UBe the maximum capacity that said gas receiver stores, said Minimum operating pressure P
LMinimum requirements amount for said using end;
See also Fig. 5, said controller is controlled said air compressor and is carried out following running step:
Step 501: start said air compressor;
Step 502: make said air compressor carry out loaded vehicle running step; Said loaded vehicle running step be with the gas storage of HTHP air in gas receiver so that using end uses;
Step 503: make said air compressor carry out an open drive step; Said open drive step is meant that the pressure of gas receiver is not lower than goal-selling pressure, and using end to be load lower or non-loaded, so the running efficiency of air compressor reduces;
Step 504: make said air compressor carry out one and shut down step; Said air compressor shuts down in said shutdown step fully.
Please cooperate and consult Fig. 4, when step 502, when said air compressor reduced in using end air quantity demand, said controller ordered about air compressor gets into step 503 from the loaded vehicle state complete vehicle curb condition; Be preset with an empty wagons in the said controller and spend the time of a specified duration; It is the time period of the sustainable open drive of said air compressor; When air compressor arrives said empty wagons and spends time of a specified duration with complete vehicle curb condition running; The air compression chance gets into the shutdown wait state of step 504, and the pressure in the gas receiver of air compressor is lower than said Minimum operating pressure P
LThe time, air compressor just can start with the loaded vehicle state once again.It is the section of representing with oblique line that it's the time of a specified duration is past said empty wagons, on tradition control is set, is fixed value, promptly 15 or 20 minutes, and the open drive of this section stand-by period, and non-compressed air imports gas receiver from air compressor, forms unnecessary energy waste.
Summary of the invention
In view of this, main purpose of the present invention provides a kind of empty wagons saved dissipative system of air compressor, can adjust the unnecessary power consumption when saving open drive of a specified duration of empty wagons time automatically.
Desiring to reach the employed major technique means of above-mentioned purpose is to make the empty wagons the saved dissipative system of said air compressor be used to include the air compressor of using end and gas receiver, and includes controller; Wherein:
Said controller is to supply to be connected with the using end and the gas receiver of said air compressor, and the control air compressor carries out the cycling of loaded vehicle running, open drive and shutdown in regular turn; When said controller is judged said air compressor open drive overlong time; Said controller can be revised the said open drive time again; Said air compressor following one-period is activated and open drive that its open drive time arrives said correction during the time; Said air compression chance hard stop is because of the said open drive time is able to shorten, so the situation of the unnecessary power consumption of open drive is improved.
Description of drawings
Fig. 1 is used for the functional block diagram of air compressor for the present invention.
Fig. 2 spends the time of a specified duration for the empty wagons of the empty wagons the saved dissipative system of air compressor according to the invention and regulates program flow diagram.
Fig. 3 is the sequential chart of the empty wagons the saved dissipative system of air compressor according to the invention.
Fig. 4 is the sequential chart of known air compressor system.
Fig. 5 is the run chart of known air compressor system.
[primary clustering symbol description]
1 controller, 7 air compressors
71 using ends, 72 gas receivers
Embodiment
See also Fig. 1 and 2, be applied to include the air compressor 7 of using end 71 and gas receiver 72, and include controller 1 according to the empty wagons the saved dissipative system of air compressor of the present invention; Said controller 1 is connected with the said using end 71 and the said gas receiver 72 of said air compressor 7, and in have a following parameters:
| The parameter title | Definition | Default value |
| The goal-selling pressure P U(kg/cm 2) | The maximum capacity that gas receiver stores | 7kg/cm 2 |
| Minimum operating pressure P L(kg/cm 2) | The Minimum requirements amount of using end | 6kg/cm 2 |
| Start the protection number of times | But the unlikely number of starts that influences its motor performance in a hour | 6 times |
| Empty wagons is crossed shutdown preset time T c of a specified duration (second) | The initial decision comparison value that it's dead time of a specified duration is past empty wagons, | 1200 seconds |
| Empty wagons is crossed shutdown correction time Td of a specified duration (second) | Empty wagons is spent one of dead time of a specified duration and is revised and judges comparison value, | 120 seconds |
| Empty wagons is crossed time judgment value Tj of a specified duration (second) | Judge and cross time of a specified duration and said empty wagons by actual empty wagons to cross that shutdown preset time T c difference of a specified duration makes deny a long judgment standard, | 600 seconds |
And loaded vehicle time T a (second), empty wagons time T b1 (second), Tb2 dead time (second) and empty wagons are crossed time T t of a specified duration variablees such as (seconds); Wherein said empty wagons time T b1 real-world operation time that is said air compressor when non-loaded, said dead time, Tb2 was the dead time of said air compressor, and said empty wagons is crossed time T t of a specified duration and spent the time of a specified duration for the empty wagons of revising.
See also Fig. 2, said controller is carried out an empty wagons and is crossed time adjusting program of a specified duration, and said program package contains the following step:
Step 200: setting said empty wagons, to spend the time of a specified duration be that said empty wagons is crossed shutdown Preset Time of a specified duration
Step 201: start said air compressor;
Step 202: whether the pressure P of judging the said gas receiver of said air compressor is lower than said Minimum operating pressure P
L
If be lower than said Minimum operating pressure P
L, then carry out next step;
Step 203: make said air compressor carry out the loaded vehicle running;
Step 204: the said loaded vehicle time T a of accumulative total, and be back to step 202;
If be not less than said Minimum operating pressure P
L, then carry out next step;
Step 205: whether the pressure P of judging the said gas receiver of said air compressor is higher than said goal-selling pressure P
U
If be not higher than said goal-selling pressure P
U, then get back to step 202;
If be higher than said goal-selling pressure P
U, then carry out next step;
Step 206: make said air compressor carry out open drive;
Step 207: count said empty wagons time T b1;
Step 208: judge whether said empty wagons time T b1 equals said empty wagons and cross time T t of a specified duration;
If being not equal to said empty wagons crosses time T t of a specified duration, be back to step 206; Cross time T t of a specified duration if arrive said empty wagons, then carry out next step;
Step 209: whether the said air compressor number of starts is less than said startup protection number of times in per hour judging; If be not less than said startup protection number of times, setting said empty wagons, to cross time T t of a specified duration be that said empty wagons is crossed shutdown preset time T c of a specified duration, and be back to step 202; If, then carry out next step less than said startup protection number of times;
Step 210: make said air compressor shut down;
Step 211: count said dead time of Tb2;
Step 212: whether the pressure of judging the said gas receiver of said air compressor is lower than said Minimum operating pressure P
L
If be not less than said Minimum operating pressure P
L, be back to step 210; If be lower than said Minimum operating pressure P
L, then carry out next step;
Step 213: judge said empty wagons time T b1 and dead time Tb2 sum total deduct said empty wagons and cross the difference of Tt dead time of a specified duration and whether cross time judgment value Tj of a specified duration greater than said empty wagons;
If cross time judgment value Tj of a specified duration greater than said empty wagons, setting said empty wagons, to cross time T t of a specified duration be that said empty wagons was shut down correction time Td of a specified duration, and be back to step 201; If be not more than said empty wagons and cross time judgment value Tj of a specified duration, then setting said empty wagons, to cross time T t of a specified duration be that said empty wagons was shut down preset time T c of a specified duration, and be back to step 201.
After the condition of step 213 was satisfied, said empty wagons was spent the time of a specified duration (Tt) and can be set at said empty wagons be immediately spent the shutdown of a specified duration correction time (Td); Instantly one-period begins; Air compressor starts; Because of Tc is replaced by Td, when it's the shutdown of a specified duration correction time (Td) is past the said empty wagons of its empty wagons time (Tb1) arrival, hard stop; Crossing shutdown of a specified duration correction time (Td) because of said empty wagons is the empty wagons and the dead time of a shortening, so make the empty wagons time of a specified duration excessively be able to shorten.
Please consult Fig. 3 simultaneously, the present invention has empty wagons and crosses empty wagons that self-adjusting air compressor of time of a specified duration saved and spend the time of a specified duration and be the said section that is painted with intersection line.
Loaded vehicle running is 100% because of its discharge quantity of fan, so 100% the power consumption mode of must adopting is usually carried out, though the open drive power consumption is less, 45～55% the power consumption mode of also need adopting is carried out, and its air output is 0%; Shut down the judgement formula of time of a specified duration (Tt) by downgrading said empty wagons in the step 213; And after said judgement formula satisfies; Said empty wagons is spent the time of a specified duration (Tt) and is spent the shutdown correction time of a specified duration by being come down to said empty wagons; Air compressor of the present invention downgraded known empty wagons 2 minutes from 15 to 20 minutes dead time, significantly reduced the time of open drive and saved the required power consumption of open drive.In addition, step 212 also can be avoided motor coil to cross time T t of a specified duration because of said empty wagons being lowered and being started continually and stop, and causes motor coil insulating material deterioration and shortens motor life.
Claims (10)
1. the empty wagons the saved dissipative system of an air compressor; Wherein said air compressor includes using end and gas receiver; And the said empty wagons dissipative system of saving includes the controller that is connected with said using end and said gas receiver; And have in the said controller that goal-selling pressure, Minimum operating pressure, empty wagons are crossed shutdown Preset Time of a specified duration, the shutdown correction time of a specified duration spent by empty wagons and empty wagons is crossed parameters such as time judgment value of a specified duration, and said controller loaded vehicle time, empty wagons time and the dead time of counting and the empty wagons of being adjusted are spent the time of a specified duration; Wherein said goal-selling pressure is the lowest capacity that said gas receiver stores; Said Minimum operating pressure is the Minimum requirements amount of said using end; It is the initial comparison value that it's the time of a specified duration is past said empty wagons that said empty wagons is crossed shutdown Preset Time of a specified duration; It is the correction comparison value that it's the time of a specified duration is past said empty wagons that it's the shutdown correction time of a specified duration is past said empty wagons; And said empty wagons cross the time of a specified duration be used for judging said empty wagons time and said dead time sum total whether long with said empty wagons if crossing the difference of time of a specified duration, the said loaded vehicle time is that real-world operation time and the said empty wagons when being the non-loaded situation of said air compressor real-world operation time, the said empty wagons time of said air compressor when load state is arranged crossed the empty wagons that the time of a specified duration adjusts for the situation that turns round according to air compressor and spent the time of a specified duration; Said controller carries out the following step:
Setting said empty wagons, to spend the time of a specified duration be that said empty wagons is crossed shutdown Preset Time of a specified duration;
Start said air compressor;
Whether the pressure of judging the said gas receiver of said air compressor is lower than said Minimum operating pressure;
If be not less than said Minimum operating pressure, judge then whether the pressure of said gas receiver is higher than said goal-selling pressure step;
If be lower than said Minimum operating pressure, then carry out next step:
Make said air compressor carry out the loaded vehicle running;
The said loaded vehicle time of accumulative total, and be back to the step whether pressure of judging said gas receiver is lower than said Minimum operating pressure;
Whether the pressure of judging the said gas receiver of said air compressor is higher than said goal-selling pressure;
If be not higher than said goal-selling pressure, then be back to the step whether pressure of judging said gas receiver is lower than said Minimum operating pressure;
If be higher than said goal-selling pressure, then carry out next step;
Make said air compressor carry out open drive;
Count the said empty wagons time;
Judge whether the said empty wagons time equals said empty wagons and spend the time of a specified duration;
If being not equal to said empty wagons spends the time of a specified duration, be back to an air compressor open drive step;
If equaling said empty wagons spends the time of a specified duration, then carry out next step;
Make said air compressor shut down;
Count said dead time;
Whether the pressure of judging the said gas receiver of said air compressor is lower than said Minimum operating pressure;
If be not less than said Minimum operating pressure, be back to an air compressor and shut down step;
If be lower than said Minimum operating pressure, then carry out next step;
The relatively judgement of spending the time of a specified duration based on sum total and the said empty wagons of said empty wagons time and downtime and downgrade said empty wagons to spend the time of a specified duration be it's the shutdown of a specified duration correction time that is past said empty wagons.
2. the empty wagons dissipative system of saving as claimed in claim 1, wherein said judgement downgrade said empty wagons and cross the step of time of a specified duration and include:
The sum total of judging said empty wagons time and dead time deducts said empty wagons and crosses the difference of time of a specified duration and whether cross time judgment value of a specified duration greater than said empty wagons;
As be not more than said empty wagons and cross time judgment value of a specified duration, then setting said empty wagons, to spend the time of a specified duration be that said empty wagons is crossed shutdown Preset Time of a specified duration, and be back to the step that starts said air compressor;
As cross time judgment value of a specified duration greater than said empty wagons, then setting said empty wagons, to spend the time of a specified duration be it's the shutdown correction time of a specified duration that is past said empty wagons, and be back to the step that starts said air compressor.
3. the empty wagons dissipative system of saving as claimed in claim 2; Wherein said controller has in more and starts the protection number of times; But said startup protection number of times is the unlikely number of starts that influences its motor performance in a hour, and said controller more comprises the step that is executed in before said air compressor is shut down step:
Whether the said air compressor number of starts is less than said startup protection number of times in per hour judging; If not, be back to the step whether pressure of judging said gas receiver is lower than said Minimum operating pressure less than said startup protection number of times; If, then carry out the step that said air compressor is shut down less than said startup protection number of times.
4. as each describedly saves the empty wagons dissipative system among the claim 1-3, but wherein said Minimum operating pressure, said goal-selling pressure, said empty wagons are crossed shutdown Preset Time of a specified duration, said startup protection number of times, said empty wagons and are crossed shutdown correction time of a specified duration and said empty wagons to cross time judgment value of a specified duration be setting value.
5. the empty wagons dissipative system of saving as claimed in claim 4, wherein said empty wagons is crossed shutdown Preset Time of a specified duration and is set at 1200 seconds.
6. the empty wagons dissipative system of saving as claimed in claim 4, wherein said empty wagons are spent the shutdown correction time of a specified duration and are set at 120 seconds.
7. the empty wagons dissipative system of saving as claimed in claim 4, wherein said Minimum operating pressure is set at 6kg/cm
2
8. the empty wagons dissipative system of saving as claimed in claim 4, wherein said goal-selling pressure is set at 7kg/cm
2
9. the empty wagons dissipative system of saving as claimed in claim 4, wherein said empty wagons is crossed time judgment value of a specified duration and is set at 600 seconds.
10. the empty wagons dissipative system of saving as claimed in claim 4, wherein said startup protection number of times is set at 6 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010221196.9A CN102312826B (en) | 2010-07-01 | 2010-07-01 | System capable of saving no-load energy consumption for air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010221196.9A CN102312826B (en) | 2010-07-01 | 2010-07-01 | System capable of saving no-load energy consumption for air compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102312826A true CN102312826A (en) | 2012-01-11 |
| CN102312826B CN102312826B (en) | 2014-05-14 |
Family
ID=45426290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010221196.9A Active CN102312826B (en) | 2010-07-01 | 2010-07-01 | System capable of saving no-load energy consumption for air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102312826B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290738A (en) * | 2013-12-04 | 2015-01-21 | 郑州宇通客车股份有限公司 | Control method of air compressor of electric vehicle and control system thereof |
| CN109373656A (en) * | 2018-10-29 | 2019-02-22 | 宁波奥克斯电气股份有限公司 | A kind of compressor output control method, device and air conditioner |
Citations (4)
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|---|---|---|---|---|
| US6142740A (en) * | 1998-11-25 | 2000-11-07 | Ingersoll-Rand Company | Compression system having means for sequencing operation of compressors |
| CN101672271A (en) * | 2009-10-19 | 2010-03-17 | 乐普四方（北京）节能技术有限公司 | Air compressor energy-saving controller with constant pressure and dormancy and control method |
| JP2010090824A (en) * | 2008-10-09 | 2010-04-22 | Hitachi Koki Co Ltd | Air compressor |
| CN201461358U (en) * | 2009-08-21 | 2010-05-12 | 重庆埃泰克能源科技有限公司 | Air compressor set intelligent electric efficiency control system |
-
2010
- 2010-07-01 CN CN201010221196.9A patent/CN102312826B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6142740A (en) * | 1998-11-25 | 2000-11-07 | Ingersoll-Rand Company | Compression system having means for sequencing operation of compressors |
| JP2010090824A (en) * | 2008-10-09 | 2010-04-22 | Hitachi Koki Co Ltd | Air compressor |
| CN201461358U (en) * | 2009-08-21 | 2010-05-12 | 重庆埃泰克能源科技有限公司 | Air compressor set intelligent electric efficiency control system |
| CN101672271A (en) * | 2009-10-19 | 2010-03-17 | 乐普四方（北京）节能技术有限公司 | Air compressor energy-saving controller with constant pressure and dormancy and control method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290738A (en) * | 2013-12-04 | 2015-01-21 | 郑州宇通客车股份有限公司 | Control method of air compressor of electric vehicle and control system thereof |
| CN104290738B (en) * | 2013-12-04 | 2017-01-18 | 郑州宇通客车股份有限公司 | Control method of air compressor of electric vehicle and control system thereof |
| CN109373656A (en) * | 2018-10-29 | 2019-02-22 | 宁波奥克斯电气股份有限公司 | A kind of compressor output control method, device and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102312826B (en) | 2014-05-14 |
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