CN109306951B - Energy-saving device for air pump - Google Patents
Energy-saving device for air pump Download PDFInfo
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- CN109306951B CN109306951B CN201811469500.4A CN201811469500A CN109306951B CN 109306951 B CN109306951 B CN 109306951B CN 201811469500 A CN201811469500 A CN 201811469500A CN 109306951 B CN109306951 B CN 109306951B
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- pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
Abstract
The invention discloses an air pump energy-saving device which comprises a PLC (programmable logic controller), a touch screen, a pressure sensor, a flow sensor and a plurality of air pumps, wherein the PLC is respectively connected with the touch screen, the pressure sensor and the flow sensor, and the plurality of air pumps are respectively connected with the PLC through relays; the pressure sensor and the flow sensor are respectively arranged on the compressed air output pipeline; the touch screen is provided with a starting interface, a pipeline pressure interface, an air compressor state interface, an appointment interface and a flow setting interface; the starting interface is used for starting or closing the air pump energy-saving device; the air compressor state interface is used for displaying the working state of each air pump; the reservation interface is used for reserving the on-off time of the air pump every day. The air pump energy-saving device is suitable for companies needing compressed air energy, and optimizes energy conservation aiming at the electricity consumption of an air pump which is equipment used by compressed air.
Description
Technical Field
The invention relates to an energy-saving device for an air pump.
Background
At present, aiming at the use of an air compressor (an air compressor), common companies cannot achieve the number of fully automatic controller switches and switch devices. The general enterprise is that the delegation special messenger opens the air compressor machine, and the number of starting up of air compressor machine relies on the experience, dares not to reduce the start quantity at will after the start, and after certain equipment trouble, pressure reduction personnel react lazily and influence production. The upper pressure limit is not too low due to manual operation, resulting in great waste.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an air pump energy-saving device which is suitable for companies needing compressed air energy and aims at optimizing energy conservation of air pump electricity which is equipment used by compressed air.
The technical scheme for realizing the purpose is as follows: the utility model provides an air pump economizer, includes PLC, touch-sensitive screen, pressure sensor, flow sensor and a plurality of air pump, wherein:
the PLC is respectively connected with the touch screen, the pressure sensor and the flow sensor, and the air pumps are respectively connected with the PLC through relays;
the pressure sensor and the flow sensor are respectively arranged on the compressed air output pipeline;
the touch screen is provided with a starting interface, a pipeline pressure interface, an air compressor state interface, an appointment interface and a flow setting interface;
the starting interface is used for starting or closing the air pump energy-saving device;
the pipeline pressure interface is used for setting the floating upper limit and the floating lower limit of a pressure set value in the compressed air output pipeline;
the air compressor state interface is used for displaying the working state of each air pump;
the reservation interface is used for reserving the on-off time of the air pump every day;
the flow setting interface is used for setting the starting number of the air pumps corresponding to different gas flows in the compressed air output pipeline and simultaneously setting the cycle detection time of the flow sensor and the pressure set value in the compressed air output pipeline; the actual output pressure and the instant gas flow in the compressed air output pipeline are displayed on the flow setting interface;
the pressure sensor detects the actual output pressure of the compressed air output pipeline and transmits the actual output pressure to the PLC;
the flow sensor detects the instant gas flow in the compressed air output pipeline according to the cycle detection time of the flow sensor set on the flow setting interface and sends the instant gas flow to the PLC;
the PLC sends the received actual output pressure and the received instant gas flow to the flow setting interface for displaying;
the PLC receives the actual output pressure, and when the actual output pressure is lower than the lower floating limit of the pressure set value, the PLC increases the starting number of the air pumps;
and when the actual output pressure is higher than the upper floating limit of the pressure set value, the PLC reduces the starting number of the air pumps according to the received instant air flow.
In the above energy saving device for the air pump, the pressure sensor detects the actual output pressure of the compressed air output pipeline, when the actual output pressure is lower than the floating lower limit of the pressure set value, the PLC increases the number of started air pumps, the pressure sensor continuously detects the actual output pressure of the compressed air output pipeline, and after a certain time, if the actual output pressure is still lower than the floating lower limit of the pressure set value, the number of started air pumps is continuously increased;
when the actual output pressure is higher than the upper limit of the pressure set value, the flow sensor detects the instant gas flow, and the PLC controls and reduces the starting number of the gas pumps according to the starting number of the gas pumps corresponding to different gas flows in the compressed air output pipeline set by the flow setting interface on the touch screen.
In the above energy saving device for the air pump, the pressure sensor continuously detects the actual output pressure of the compressed air output pipeline, and after 5 minutes, if the actual output pressure is lower than the lower floating limit of the pressure set value, the number of the starting air pumps is continuously increased.
In the above energy-saving device for the air pump, relays are respectively arranged between the pressure sensor and the PLC and between the flow sensor and the PLC.
The air pump energy-saving device can be used for detecting the conditions of workshop use in the production process by pressing the pressure and flow of compressed air, automatically achieving the number of the air compressors to be switched on and off, controlling the unnecessary conditions of more air compressors, less air compressors and the like, is suitable for companies needing compressed air energy, and optimizes the energy conservation for the power consumption of an air pump which is equipment used by the compressed air.
Drawings
FIG. 1 is a schematic structural diagram of an air pump energy-saving device according to the present invention;
FIG. 2 is a schematic structural diagram of a touch screen;
FIG. 3 is a schematic diagram of the operation of the energy saving device of the air pump of the present invention;
fig. 4 is a flow chart of the operation of the air pump energy-saving device of the present invention.
Detailed Description
In order that those skilled in the art will better understand the technical solution of the present invention, the following detailed description is given with reference to the accompanying drawings:
referring to fig. 1 and 2, in a preferred embodiment of the present invention, an air pump energy saving device includes a PLC 1, a touch screen 2, a pressure sensor 3, a flow sensor 4, and a plurality of air pumps 5. The PLC 1 is respectively connected with the touch screen 2, the pressure sensor 3 and the flow sensor 4, and the air pumps 5 are respectively connected with the PLC 1 through relays; the pressure sensor 3 and the flow sensor 4 are respectively arranged on the compressed air output pipeline. Relays are respectively arranged between the pressure sensor 3 and the PLC 1 and between the flow sensor 4 and the PLC 1.
The touch screen 2 is provided with a starting interface 21, a pipeline pressure interface 22, an air compressor state interface 23, a reservation interface 24 and a flow setting interface 25; the startup interface 21 is used for turning on or off the air pump energy-saving device; the line pressure interface 22 is used to set the upper and lower floating limits of the pressure set point in the compressed air output line; the air compressor state interface 23 is used for displaying the working state of each air pump; the reservation interface 24 is used for reserving the on-off time of the air pump every day, and the reservation interface 24 can simultaneously set the on-off time of the air pump from Monday to Sunday every day; the flow setting interface 25 is used for setting the number of started air pumps corresponding to different gas flows in the compressed air output pipeline, and is also used for setting the cycle detection time of the flow sensor and the pressure set value in the compressed air output pipeline; the actual output pressure and the instantaneous gas flow in the compressed air output line are displayed on the flow setting interface 25.
Referring to fig. 3 and 4, the pressure sensor 3 detects an actual output pressure of the compressed air output pipe and transmits the actual output pressure to the PLC 1; the flow sensor 4 detects the instant gas flow in the compressed air output pipeline according to the cycle detection time of the flow sensor set on the flow setting interface and sends the instant gas flow to the PLC 1; the PLC 1 sends the received actual output pressure and the received instant gas flow to a flow setting interface 25 for displaying; the PLC 1 receives the actual output pressure, and when the actual output pressure is lower than the lower floating limit of the pressure set value, the PLC 1 increases the starting number of the air pumps; when the actual output pressure is higher than the upper floating limit of the pressure set value, the PLC 1 reduces the starting number of the air pumps according to the received instant air flow.
Specifically, the pressure sensor 3 detects the actual output pressure of the compressed air output pipeline, when the actual output pressure is lower than the floating lower limit of the pressure set value, the PLC 1 increases the starting number of the air pumps, the pressure sensor 3 continuously detects the actual output pressure of the compressed air output pipeline, and after 5 minutes, if the actual output pressure is still lower than the floating lower limit of the pressure set value, the number of the starting air pumps is continuously increased.
When the actual output pressure is higher than the upper limit of the pressure set value, the flow sensor 4 detects the instant gas flow, and the PLC 1 controls and reduces the starting number of the gas pumps according to the starting number of the gas pumps corresponding to different gas flows in the compressed air output pipeline set by the flow setting interface 25 on the touch screen 2.
The air pump energy-saving device is controlled by a touch screen and a PLC program, the switch and the quantity of the air pumps are automatically controlled in a timing mode, the pressure sensor 3 is adopted to detect the actual output pressure, when the pressure is lower than the lower limit of a pressure tolerance range (the floating lower limit of a pressure set value), the starting quantity of the air pumps is increased, and when the pressure is not higher than the lower tolerance of an allowable range after a certain time, the starting quantity is continuously increased. When the pressure is higher than the upper limit of the pressure tolerance range (the upper limit of the pressure set value), the number of the started devices is controlled and reduced by using the detected instant gas flow and corresponding touch screen parameters (the number of the started devices corresponding to different flow rates set on the touch screen).
The startup and shutdown are automatically executed according to the set time, the number of startup units can be automatically set according to different requirements of each company, the lower limit of the pressure tolerance range is not reached within a certain time after the startup, the number of startup units is increased until the pressure exceeds the floating lower limit of the pressure set value and enters the normal range. Because of the automatic operation, the upper limit of the float of the pressure set value (upper limit value of the pressure) can be set to a lower range (as long as the plant equipment requirement is met), reducing waste. Is there a specific range for the upper and lower float limits of the pressure set point?
The invention relates to an air pump energy-saving device, wherein electrical elements used by the air pump energy-saving device comprise a PLC, a touch screen, a relay, a pressure sensor and a flow sensor. The PLC can adopt the PLC of Mitsubishi, and the touch screen adopts the touch screen of Weilun, so that the PLC touch screen is economical and practical; the pressure sensor can adopt a domestic pressure sensor, and the flow sensor can adopt a domestic vortex street sensor, so that the device is economical and practical. For the highly demanded and commercially available brand of electric components.
In summary, the air pump energy saving device of the invention can detect the condition of workshop use in the production process by pressing the pressure and flow of the compressed air, and automatically achieve the number of the air compressors to be switched on and off, thereby controlling the unnecessary situations of more air compressors, less air compressors and the like.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (1)
1. The utility model provides an air pump economizer which characterized in that, includes PLC, touch-sensitive screen, pressure sensor, flow sensor and a plurality of air pump, wherein:
the PLC is respectively connected with the touch screen, the pressure sensor and the flow sensor, and the air pumps are respectively connected with the PLC through relays;
the pressure sensor and the flow sensor are respectively arranged on the compressed air output pipeline;
the touch screen is provided with a starting interface, a pipeline pressure interface, an air compressor state interface, an appointment interface and a flow setting interface;
the starting interface is used for starting or closing the air pump energy-saving device;
the pipeline pressure interface is used for setting the floating upper limit and the floating lower limit of a pressure set value in the compressed air output pipeline;
the air compressor state interface is used for displaying the working state of each air pump;
the reservation interface is used for reserving the on-off time of the air pump every day;
the flow setting interface is used for setting the starting number of the air pumps corresponding to different gas flows in the compressed air output pipeline and simultaneously setting the cycle detection time of the flow sensor and the pressure set value in the compressed air output pipeline; the actual output pressure and the instant gas flow in the compressed air output pipeline are displayed on the flow setting interface;
the pressure sensor detects the actual output pressure of the compressed air output pipeline and transmits the actual output pressure to the PLC;
the flow sensor detects the instant gas flow in the compressed air output pipeline according to the cycle detection time of the flow sensor set on the flow setting interface and sends the instant gas flow to the PLC;
the PLC sends the received actual output pressure and the received instant gas flow to the flow setting interface for displaying;
the PLC receives the actual output pressure, and when the actual output pressure is lower than the lower floating limit of the pressure set value, the PLC increases the starting number of the air pumps;
when the actual output pressure is higher than the upper floating limit of the pressure set value, the PLC reduces the starting number of the air pumps according to the received instant air flow;
the pressure sensor detects the actual output pressure of the compressed air output pipeline, when the actual output pressure is lower than the lower floating limit of the pressure set value, the PLC increases the starting number of the air pumps, the pressure sensor continuously detects the actual output pressure of the compressed air output pipeline, and after a certain time, if the actual output pressure is still lower than the lower floating limit of the pressure set value, the number of the starting air pumps is continuously increased;
when the actual output pressure is higher than the upper limit of the pressure set value, the flow sensor detects the instant gas flow, and the PLC controls and reduces the starting number of the gas pumps according to the starting number of the gas pumps corresponding to different gas flows in the compressed air output pipeline set by the flow setting interface on the touch screen;
the pressure sensor continuously detects the actual output pressure of the compressed air output pipeline, and the number of the starting air pumps is continuously increased after 5 minutes if the actual output pressure is lower than the floating lower limit of the pressure set value;
and relays are respectively arranged between the pressure sensor and the PLC and between the flow sensor and the PLC.
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CN201811469500.4A CN109306951B (en) | 2018-11-28 | 2018-11-28 | Energy-saving device for air pump |
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CN201811469500.4A CN109306951B (en) | 2018-11-28 | 2018-11-28 | Energy-saving device for air pump |
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CN109306951B true CN109306951B (en) | 2020-04-24 |
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CN113431767B (en) * | 2021-07-30 | 2023-03-17 | 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 | Operation control method and device for air compressor in mine, terminal equipment and medium |
Citations (4)
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KR101597743B1 (en) * | 2015-11-12 | 2016-02-25 | (주)경성하이테크 | Oil pressure equipment control 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 |
CN106468258A (en) * | 2015-08-23 | 2017-03-01 | 富强 | A kind of compressor bank frequency-changing pressure stabilizing monitoring system |
CN207541489U (en) * | 2017-11-06 | 2018-06-26 | 中国石油化工股份有限公司 | Industrial gas circuit composite monitoring device |
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US7777435B2 (en) * | 2006-02-02 | 2010-08-17 | Aguilar Ray A | Adjustable frequency pump control system |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106468258A (en) * | 2015-08-23 | 2017-03-01 | 富强 | A kind of compressor bank frequency-changing pressure stabilizing monitoring system |
KR101597743B1 (en) * | 2015-11-12 | 2016-02-25 | (주)경성하이테크 | Oil pressure equipment control 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 |
CN207541489U (en) * | 2017-11-06 | 2018-06-26 | 中国石油化工股份有限公司 | Industrial gas circuit composite monitoring device |
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Effective date of registration: 20200924 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Patentee after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Patentee after: SHANGHAI ZHONGDA AUTOMOBILE COMPING Co.,Ltd. Address before: 201805 No. 4866 Anting Baoan Road, Jiading District, Shanghai Patentee before: SHANGHAI ZHONGDA AUTOMOBILE COMPING Co.,Ltd. |