CN103671055A - Intelligent control system and control method for piston reciprocating type air compressor set - Google Patents
Intelligent control system and control method for piston reciprocating type air compressor set Download PDFInfo
- Publication number
- CN103671055A CN103671055A CN201310683675.6A CN201310683675A CN103671055A CN 103671055 A CN103671055 A CN 103671055A CN 201310683675 A CN201310683675 A CN 201310683675A CN 103671055 A CN103671055 A CN 103671055A
- Authority
- CN
- China
- Prior art keywords
- control unit
- unit
- frequency conversion
- air
- pneumatics
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses an intelligent control system and control method for a piston reciprocating type air compressor set. The control system comprises a central controller, a variable frequency control unit and a start-stop control unit, wherein both the variable frequency control unit and the start-stop control unit are connected with the central controller, the variable frequency control unit is connected with multiple sets of variable frequency air compressors of the air compressor set, and the start-stop control unit is connected with the other non-variable frequency air compressors in the air compressor set. The intelligent control system further comprises a temperature transmitter and a pressure transmitter, wherein the temperature transmitter and the pressure transmitter are connected with the central controller, the temperature transmitter is connected with all the air compressors in the air compressor set, the pressure transmitter is connected with a gas storage tank, and the gas storage tank is connected with all the air compressors in the air compressor set. According to the intelligent control system and control method for the piston reciprocating type air compressor set, the running and the stopping of the variable frequency air compressors and the running and the stopping of the non-variable frequency air compressors are controlled through the variable frequency control unit and the start-stop control unit to carry out joint gas regulation of the air compressor set, wide-range stepless regulation can be carried out according to the actual gas consumption of gas consumption equipment of users, and energy consumption can be lowered significantly.
Description
Technical field
The present invention relates to the intelligent control of piston reciprocating type pneumatics unit, relate in particular to a kind of intelligent control system and controlling method of piston reciprocating type pneumatics unit.
Background technique
During the work of piston reciprocating type pneumatics unit; the air demand that consumes gas equipment in production procedure often has larger fluctuation; when the air displacement of equipment air consumption and pneumatics unit is incompatible; just need pneumatics unit to carry out tolerance adjusting; so that the air displacement of pneumatics unit adapts to the requirement that air consumption changes, keep the pressure stability in pipe network.Therefore, the pneumatics unit of production scene configuration is all provided with the air volume regulating device that changes pneumatics unit air displacement.
At present, the piston reciprocating type pneumatics unit often mode by start-stop air compressor is realized rough tolerance and is regulated, and opens pneumatics unit carry out air feed according to the air demand of current maximum, and unnecessary gas is emptying.Although this regulating method is simple and reliable, the air compressor of opening, all the time in operating at full capacity, therefore consumes energy huge.Meanwhile, need manual intervention, automaticity is low.
In prior art, there is pressure pneumatics unit being exported in pipeline by monitoring module to carry out monitor and detection, and after the data that monitor are processed by control module send instruction pneumatics unit adjusted to control, but its tolerance regulation range is very limited, there is blind spot in control procedure, can not under all working conditions, meet the requirement that tolerance regulates.
Summary of the invention
The technical problem to be solved in the present invention is for tolerance regulation range in prior art very limited, there is the defect of blind spot in control procedure, providing a kind of can carry out large-scale step-less adjustment according to the actual air consumption that consumes gas equipment under the different operating modes of user, and can significantly reduce the intelligent control method of the piston reciprocating type pneumatics unit of energy consumption.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of intelligent control system of piston reciprocating type pneumatics unit is provided, comprise: central control unit and all connected frequency conversion control unit and on off control unit, described frequency conversion control unit is connected with many frequency conversion air compressors of pneumatics unit, and described on off control unit is connected with other non-frequency air compressors in pneumatics unit;
This intelligent control system also comprises temperature transmitter and the pressure transmitter being connected with described central control unit, described temperature transmitter is all connected with all air compressors in pneumatics unit, described pressure transmitter is connected with gas holder, and described gas holder is connected with all air compressors in pneumatics unit.
In control system of the present invention, described central unit comprises data storage cell and data processing unit, described data storage cell is connected with described pressure transmitter with described temperature transmitter, and described data processing unit is connected with described on off control unit with described frequency conversion control unit.
In control system of the present invention, this control system also comprises display device, is connected with described data processing unit.
In control system of the present invention, this control system also comprises alarm, is connected with described central control unit.
In control system of the present invention, described frequency conversion control unit is connected with at least three frequency conversion air compressors of pneumatics unit.
The present invention also provides a kind of intelligent control method of piston reciprocating type pneumatics unit, comprises the following steps:
When equipment normally moves, by pressure transmitter, the pressure in gas holder is monitored, and pressure information is sent to central control unit;
Gas pressure in gas holder constant or default among a small circle in during fluctuation, central control unit is failure to actuate, system keeps current state to move;
When pressure continues to change in Preset Time, central control unit judges that according to pressure information pressure changes whether within the scope of variable frequency adjustment, if within the scope of variable frequency adjustment, central control unit sends instruction to frequency conversion control unit, frequency conversion air compressor in pneumatics unit is carried out to VFC, regulate its working speed and then regulate its air displacement, until gas pressure reaches setting value in gas holder;
If gas holder pressure changing has exceeded variable frequency adjustment scope, central control unit sending controling instruction is on off control unit, by on off control unit controls, open or stop frequency conversion air compressor or other non-frequency air compressors in pneumatics unit, and sending controling instruction is to frequency conversion control unit, by frequency conversion control unit, regulate the air displacement of frequency conversion air compressor, make the total air displacement of pneumatics unit and user's air consumption reach state of equilibrium.
In controlling method of the present invention, described on off control unit adopts the mode of soft start to control the non-frequency air compressor in pneumatics unit.
In controlling method of the present invention, described central control unit is presented at the detection data of the pressure transmitter obtaining and temperature transmitter on display device after treatment.
In controlling method of the present invention, when abnormal state appears in system operation, described central control unit sends alarm signal to alarm.
The beneficial effect that the present invention produces is: the present invention carries out VFC to the multiple air compressors in piston reciprocating type pneumatics unit, rather than all air compressors are all carried out to VFC, and reforming cost is not high.Unlatching by off control module controls frequency conversion air compressor and other non-frequency air compressor and stopping, pneumatics unit is combined to tolerance, regulate, the present invention can carry out large-scale step-less adjustment according to the actual air consumption that consumes gas equipment under the different operating modes of user, can significantly reduce energy consumption.The present invention adopts intelligent control in addition, and automaticity is high, has greatly reduced artificial dependency degree, also makes the stability of system operation and reliability improve simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the intelligent control system of embodiment of the present invention piston reciprocating type pneumatics unit;
Fig. 2 is the flow chart of the intelligent control method of embodiment of the present invention piston reciprocating type pneumatics unit.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, the intelligent control system of embodiment of the present invention piston reciprocating type pneumatics unit comprises: central control unit and all connected frequency conversion control unit and on off control unit, frequency conversion control unit is connected with many frequency conversion air compressors of pneumatics unit.The present invention receives pressure transmitter and the next data-signal of temperature transducer transmission by central control unit, process by analysis, frequency conversion control unit and on off control unit are controlled, adjust the running state of frequency conversion air compressor and other non-frequency air compressors, the tolerance that realizes pneumatics unit regulates, and meets the demand that user's air consumption changes.
In one embodiment of the invention three air compressors in pneumatics unit are carried out to Frequency Conversion Modification, be about to common air compressor retrofit and become frequency conversion air compressor, can control by frequency variation signal.On off control unit and other non-frequency air compressors in pneumatics the unit common air compressor of Frequency Conversion Modification (without) are connected.By controlling many air compressors through Frequency Conversion Modification and other expense frequency conversion air compressor of not transforming, move the demand changing to meet user's air consumption simultaneously.
This intelligent control system also comprises temperature transmitter and the pressure transmitter being connected with central control unit, temperature transmitter is all connected with all air compressors in pneumatics unit, pressure transmitter is connected with gas holder, and gas holder is connected with all air compressors in pneumatics unit.In piston reciprocating type pneumatics unit running process, central control unit is monitored the gas pressure change in gas holder by pressure transmitter, utilizes compressor in temperature transmitter monitoring air compressor and the axle temperature of motor.
In one embodiment of the present of invention, central unit comprises data storage cell and data processing unit, and data storage cell is connected with pressure transmitter with temperature transmitter, and data processing unit is connected with on off control unit with frequency conversion control unit.When user's air consumption changes, if the air displacement of pneumatics unit still remains unchanged, will cause tolerance unbalanced supply-demand, in gas holder, gas pressure can change.Now, the pressure transmitter being connected with gas holder passes to the pressure changing monitoring the data storage cell of central control unit with the form of electrical signal, by the data processing unit of central control unit, data are processed again, and the control command of generation is sent to frequency conversion control unit and on off control unit, by these two functional units, compressor bank is controlled, make pneumatics unit air demand automatically adapt to the air demand that user consumes gas equipment, keep the stable of the interior gas pressure of gas holder.
This control system also comprises display device, is connected with data processing unit.Data processing unit is processed rear generation system status data to the detection data of temperature transmitter and pressure transmitter, and shows by display device.
In one embodiment of the present of invention, this control system also comprises alarm, is connected with central control unit.When system state data exceeds setting range, central control unit sends alarm signal to alarm.
The intelligent control method of embodiment of the present invention piston reciprocating type pneumatics unit, as shown in Figure 2, comprises the following steps:
When equipment normally moves, by pressure transmitter, the pressure in gas holder is monitored, and pressure information is sent to central control unit;
Gas pressure in gas holder constant or default among a small circle in during fluctuation, central control unit is failure to actuate, system keeps current state to move;
When pressure continues to change in Preset Time, central control unit judges that according to pressure information pressure changes whether within the scope of variable frequency adjustment, if within the scope of variable frequency adjustment, central control unit sends instruction to frequency conversion control unit, frequency conversion air compressor in pneumatics unit is carried out to VFC, regulate its working speed and then regulate its air displacement, until gas pressure reaches setting value in gas holder;
If gas holder pressure changing has exceeded variable frequency adjustment scope, central control unit sending controling instruction is on off control unit, by on off control unit controls, open or stop frequency conversion air compressor or other non-frequency air compressors in pneumatics unit, and sending controling instruction is to frequency conversion control unit, by frequency conversion control unit, regulate the air displacement of frequency conversion air compressor, make the total air displacement of pneumatics unit and user's air consumption reach state of equilibrium.As shown in Figure 2, in one embodiment of the present of invention, if gas holder pressure changing has exceeded variable frequency adjustment scope, be specially when force value is during lower than the lower limit of frequency conversion adjustable extent, close a frequency conversion or common (being non-frequency) compressor; When force value is not less than the lower limit of frequency conversion adjustable extent, open a frequency conversion or common (being non-frequency) compressor, until pressure reaches setting.
On off control unit adopts the mode of soft start to control the non-frequency piston reciprocating type air compressor in pneumatics unit.
Central control unit is presented at the detection data of the pressure transmitter obtaining and temperature transmitter on display device after treatment.
When abnormal state appears in system operation, central control unit sends alarm signal to alarm.
In a specific embodiment of the present invention, certain enterprise utilizes above-mentioned control system to carry out intelligent control to piston reciprocating type pneumatics unit.Certain enterprise is used the piston reciprocating type air compressor that 10 power are 132KW to build air compressor group, opens seven for three while normally working.The present invention can carry out Frequency Conversion Modification to three in seven of normal operation air compressors, and the gamut that realizes pneumatics unit air displacement by intelligent control method regulates.
The operation control strategy of air compressor group when following table one realizes each operating mode air displacement adjusting for pneumatics unit.If by the unit of being made as of air displacement at full capacity 1 of separate unit air compressor, the maximum air consumption of Ze Ci enterprise is 7, when actual air consumption changes in 5.8 ~ 7 scopes, take to carry out actual production by the scheme that the logical air compressor of 4 Daeporis and three frequency conversion air compressors move simultaneously.When actual air consumption is lower than 5.8 time, need to turn off common air compressor or the frequency conversion air compressor of some.If actual air consumption is 6.5, the logical air compressor full load operation of 4 Daeporis provides the tolerance of 4 units, remaining 2.5 tolerance supplies with three frequency conversion air compressors, the average tolerance of every supply is 2.5/3=0.833, central control unit is controlled frequency conversion control unit after data processing, three electric machine frequencies are adjusted to respectively to 83.3% of rated frequency, air demand and air consumption are balanced each other, it is constant that system pressure keeps.
Table one: pneumatics unit operation control strategy
According to the operation control strategy of table one, if actual air consumption is 5.5, intelligent control system automatically turns off a frequency conversion air compressor by off control unit or the logical air compressor of a Daepori regulates air displacement.The logical air compressor of the first scheme 4 Daeporis and 2 frequency conversion air compressors move simultaneously, regulation range is 5.2 ~ 6.0, common air compressor full load operation provides the tolerance of 4 units, and the tolerance of residue 1.5Ge unit is supplied with by two frequency conversion air compressors, and every delivery volume is 1.5/2=0.75; Three common compressor of first scheme and three frequency-changeable compressors move simultaneously, and regulation range is 4.8 ~ 6, and the air demand of every frequency-changeable compressor is (5.5-3)/3=0.833.Intelligent control system adopts fuzzy control method automatically to select wherein a kind of scheme to regulate according to pneumatics unit runnability.
To sum up, the present invention passes through the part air compressor in transformation piston reciprocating type pneumatics unit, rather than air compressors all in piston reciprocating type pneumatics unit is all carried out to Frequency Conversion Modification, and reforming cost is low.By the air compressor of start and stop Frequency Conversion Modification, combine tolerance with other air compressor and regulate, can carry out large-scale step-less adjustment according to the actual air consumption that consumes gas equipment under the different operating modes of user, significantly reduce energy consumption.The present invention adopts intelligent control, and automaticity is high, has greatly reduced artificial dependency degree, also makes the stability of system operation and reliability improve simultaneously.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (9)
1. the intelligent control system of a piston reciprocating type pneumatics unit, it is characterized in that, comprise: central control unit and all connected frequency conversion control unit and on off control unit, described frequency conversion control unit is connected with many frequency conversion air compressors of pneumatics unit, and described on off control unit is connected with other non-frequency air compressors in pneumatics unit;
This intelligent control system also comprises temperature transmitter and the pressure transmitter being connected with described central control unit, described temperature transmitter is all connected with all air compressors in pneumatics unit, described pressure transmitter is connected with gas holder, and described gas holder is connected with all air compressors in pneumatics unit.
2. control system according to claim 1, it is characterized in that, described central unit comprises data storage cell and data processing unit, described data storage cell is connected with described pressure transmitter with described temperature transmitter, and described data processing unit is connected with described on off control unit with described frequency conversion control unit.
3. control system according to claim 2, is characterized in that, this control system also comprises display device, is connected with described data processing unit.
4. control system according to claim 1, is characterized in that, this control system also comprises alarm, is connected with described central control unit.
5. control system according to claim 1, is characterized in that, described frequency conversion control unit is connected with at least three frequency conversion air compressors of pneumatics unit.
6. an intelligent control method for piston reciprocating type pneumatics unit, is characterized in that, comprises the following steps:
When equipment normally moves, by pressure transmitter, the pressure in gas holder is monitored, and pressure information is sent to central control unit;
Gas pressure in gas holder constant or default among a small circle in during fluctuation, central control unit is failure to actuate, system keeps current state to move;
When pressure continues to change in Preset Time, central control unit judges that according to pressure information pressure changes whether within the scope of variable frequency adjustment, if within the scope of variable frequency adjustment, central control unit sends instruction to frequency conversion control unit, frequency conversion air compressor in pneumatics unit is carried out to VFC, regulate its working speed and then regulate its air displacement, until gas pressure reaches setting value in gas holder;
If gas holder pressure changing has exceeded variable frequency adjustment scope, central control unit sending controling instruction is on off control unit, by on off control unit controls, open or stop frequency conversion air compressor or other non-frequency air compressors in pneumatics unit, and sending controling instruction is to frequency conversion control unit, by frequency conversion control unit, regulate the air displacement of frequency conversion air compressor, make the total air displacement of pneumatics unit and user's air consumption reach state of equilibrium.
7. controlling method according to claim 6, is characterized in that, described on off control unit adopts the mode of soft start to control the unlatching of non-frequency air compressor in pneumatics unit.
8. controlling method according to claim 6, is characterized in that, described central control unit is presented at the detection data of the pressure transmitter obtaining and temperature transmitter on display device after treatment.
9. controlling method according to claim 6, is characterized in that, when abnormal state appears in system operation, described central control unit sends alarm signal to alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683675.6A CN103671055B (en) | 2013-12-16 | 2013-12-16 | The intelligence control system of piston reciprocating type air-compressor set and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683675.6A CN103671055B (en) | 2013-12-16 | 2013-12-16 | The intelligence control system of piston reciprocating type air-compressor set and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103671055A true CN103671055A (en) | 2014-03-26 |
| CN103671055B CN103671055B (en) | 2016-07-27 |
Family
ID=50309605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310683675.6A Active CN103671055B (en) | 2013-12-16 | 2013-12-16 | The intelligence control system of piston reciprocating type air-compressor set and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103671055B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104774985A (en) * | 2015-01-30 | 2015-07-15 | 山东钢铁股份有限公司 | Blast furnace coal injection inflating assembly constant-pressure stable running method |
| CN104819141A (en) * | 2015-04-01 | 2015-08-05 | 宁波杭州湾新区祥源动力供应有限公司 | Control method and system for air compression station |
| CN105822532A (en) * | 2016-05-06 | 2016-08-03 | 中山市华源电气设备有限公司 | Control system for air compressors |
| CN106224222A (en) * | 2016-09-13 | 2016-12-14 | 深圳市格瑞拓能源科技有限公司 | A kind of air compressor machine station constant pressure control method and system |
| CN106286252A (en) * | 2016-09-13 | 2017-01-04 | 深圳市格瑞拓能源科技有限公司 | A kind of multiple stage air compressor linkage energy-saving control method and system |
| CN108870078A (en) * | 2018-08-22 | 2018-11-23 | 江苏核电有限公司 | A kind of generator hydrogen dryer pneumatic operated valve control compressed air source unit and its control method |
| CN109469602A (en) * | 2017-09-07 | 2019-03-15 | 阿耐思特岩田株式会社 | The control method of compressed gas feedway and compressed gas feedway |
| CN110735781A (en) * | 2019-11-11 | 2020-01-31 | 宁夏实德新型建材有限公司 | Control system and method for air compressor components |
| CN111927776A (en) * | 2020-08-19 | 2020-11-13 | 蘑菇物联技术（深圳）有限公司 | Variable-frequency air compressor set energy-saving method based on edge calculation |
| CN113530793A (en) * | 2021-08-05 | 2021-10-22 | 广东鑫钻节能科技股份有限公司 | Intelligent adjusting system for air compression station |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6450102A (en) * | 1987-08-20 | 1989-02-27 | Shinko Electric Co Ltd | Control method for number of sets of compressor |
| JP2004116381A (en) * | 2002-09-26 | 2004-04-15 | Shin Nippon Jusetsu Corporation:Kk | Automatic operation system for air compressor |
| JP2005048755A (en) * | 2003-07-28 | 2005-02-24 | Hitachi Industrial Equipment Systems Co Ltd | Compressor number control system |
| KR20080042482A (en) * | 2006-11-10 | 2008-05-15 | 엘지전자 주식회사 | Air conditioner and its operating method |
| CN202032705U (en) * | 2011-04-19 | 2011-11-09 | 沈阳工业大学 | Novel intelligent ground source heat pump control system |
| CN202867161U (en) * | 2012-10-30 | 2013-04-10 | 北京复盛机械有限公司 | Frequency conversion interlock control system |
-
2013
- 2013-12-16 CN CN201310683675.6A patent/CN103671055B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6450102A (en) * | 1987-08-20 | 1989-02-27 | Shinko Electric Co Ltd | Control method for number of sets of compressor |
| JP2004116381A (en) * | 2002-09-26 | 2004-04-15 | Shin Nippon Jusetsu Corporation:Kk | Automatic operation system for air compressor |
| JP2005048755A (en) * | 2003-07-28 | 2005-02-24 | Hitachi Industrial Equipment Systems Co Ltd | Compressor number control system |
| KR20080042482A (en) * | 2006-11-10 | 2008-05-15 | 엘지전자 주식회사 | Air conditioner and its operating method |
| CN202032705U (en) * | 2011-04-19 | 2011-11-09 | 沈阳工业大学 | Novel intelligent ground source heat pump control system |
| CN202867161U (en) * | 2012-10-30 | 2013-04-10 | 北京复盛机械有限公司 | Frequency conversion interlock control system |
Non-Patent Citations (1)
| Title |
|---|
| 张还等: "基于MODBUS通信的空压站PLC变频调速控制系统的设计", 《压缩机技术》, no. 5, 31 May 2009 (2009-05-31), pages 17 - 21 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104774985A (en) * | 2015-01-30 | 2015-07-15 | 山东钢铁股份有限公司 | Blast furnace coal injection inflating assembly constant-pressure stable running method |
| CN104819141A (en) * | 2015-04-01 | 2015-08-05 | 宁波杭州湾新区祥源动力供应有限公司 | Control method and system for air compression station |
| CN105822532A (en) * | 2016-05-06 | 2016-08-03 | 中山市华源电气设备有限公司 | Control system for air compressors |
| CN106224222A (en) * | 2016-09-13 | 2016-12-14 | 深圳市格瑞拓能源科技有限公司 | A kind of air compressor machine station constant pressure control method and system |
| CN106286252A (en) * | 2016-09-13 | 2017-01-04 | 深圳市格瑞拓能源科技有限公司 | A kind of multiple stage air compressor linkage energy-saving control method and system |
| CN109469602A (en) * | 2017-09-07 | 2019-03-15 | 阿耐思特岩田株式会社 | The control method of compressed gas feedway and compressed gas feedway |
| CN109469602B (en) * | 2017-09-07 | 2021-07-02 | 阿耐思特岩田株式会社 | Compressed gas supply device and control method for compressed gas supply device |
| CN108870078A (en) * | 2018-08-22 | 2018-11-23 | 江苏核电有限公司 | A kind of generator hydrogen dryer pneumatic operated valve control compressed air source unit and its control method |
| CN110735781A (en) * | 2019-11-11 | 2020-01-31 | 宁夏实德新型建材有限公司 | Control system and method for air compressor components |
| CN110735781B (en) * | 2019-11-11 | 2021-08-31 | 宁夏实德新型建材有限公司 | Control system and method for air compressor assembly |
| CN111927776A (en) * | 2020-08-19 | 2020-11-13 | 蘑菇物联技术（深圳）有限公司 | Variable-frequency air compressor set energy-saving method based on edge calculation |
| CN111927776B (en) * | 2020-08-19 | 2022-02-18 | 蘑菇物联技术（深圳）有限公司 | Variable-frequency air compressor set energy-saving method based on edge calculation |
| CN113530793A (en) * | 2021-08-05 | 2021-10-22 | 广东鑫钻节能科技股份有限公司 | Intelligent adjusting system for air compression station |
| CN113530793B (en) * | 2021-08-05 | 2023-01-10 | 广东鑫钻节能科技股份有限公司 | Intelligent adjusting system for air compression station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103671055B (en) | 2016-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103671055A (en) | Intelligent control system and control method for piston reciprocating type air compressor set | |
| CN106288197B (en) | A kind of air conditioning control method and its system based on pid algorithm | |
| US20230060683A1 (en) | Multi-channel alkaline hydrogen production system | |
| CN105350014B (en) | Hydrogen supplies integrated control system automatically | |
| US20150061289A1 (en) | System and method for voltage control of wind generators | |
| CN208365626U (en) | A kind of heat pump heating frequency conversion system | |
| CN201877840U (en) | Three-phase unbalance regulation and reactive power compensation device for power distribution transformer | |
| CN112290581A (en) | New energy off-grid hydrogen production system | |
| CN101251110B (en) | Automatic control device and control method for multiple overlapping type compressor unit | |
| CN106609754A (en) | Screw rod air compressor frequency conversion control system | |
| CN105226700B (en) | Primary frequency modulation control method and device based on valve flow characteristic dynamic adjustment | |
| CN107069777B (en) | Device and method for preventing starting impact current based on micro-grid island operation | |
| CN113489091B (en) | Distributed management and control system and method for storage battery pack | |
| CN107370179B (en) | The method that generating set and mesh belt carry is controlled with the mode that segmentation PID is adjusted | |
| CN203824002U (en) | Optimal control system for comprehensive electricity unit consumption of refrigeration station for central air conditioner | |
| CN102882276A (en) | Energy efficiency monitoring method based on demand response | |
| CN112186783B (en) | Temperature control load cluster control method | |
| CN113551452A (en) | Semiconductor linkage compressor control air conditioning system and control method thereof | |
| CN108614538A (en) | A kind of control strategy of industrial equipment orderly function | |
| CN202613683U (en) | Central air-conditioning water pump motor controller and central air-conditioning refrigeration station system | |
| CN112448414A (en) | Four-port electric energy router and low voltage ride through control method thereof | |
| CN111678248B (en) | Operation control method for air conditioning equipment, air conditioning equipment and storage medium | |
| CN204984900U (en) | Screw compressor frequency conversion control system | |
| CN104734180A (en) | Power supply control method and system | |
| CN102661283B (en) | Power frequency and variable frequency mixed working condition power station fan RB control system and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |