CN220452166U - Air compressor control device - Google Patents
Air compressor control device Download PDFInfo
- Publication number
- CN220452166U CN220452166U CN202321591906.6U CN202321591906U CN220452166U CN 220452166 U CN220452166 U CN 220452166U CN 202321591906 U CN202321591906 U CN 202321591906U CN 220452166 U CN220452166 U CN 220452166U
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- control unit
- air compressor
- electrically connected
- station
- measurement
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- 238000005259 measurement Methods 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 18
- 239000013307 optical fiber Substances 0.000 claims description 9
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000007405 data analysis Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Abstract
The utility model provides an air compressor control device, which comprises a main control unit, a measurement and control unit, at least one station control unit and at least one control cabinet, wherein the main control unit is connected with the station control unit; the main control unit is respectively and electrically connected with at least one station control unit, the measurement and control unit is arranged on a compressed air pipe network and used for monitoring operation data of the compressed air pipe network in real time, at least one air compressor is communicated with the compressed air pipe network, the station control unit is respectively and electrically connected with at least one control cabinet and at least one air compressor, and the control cabinets are electrically connected with the air compressors in a one-to-one correspondence manner; the station control unit, the control cabinet and the air compressor are all arranged in the air compression station. This kind of air compressor machine controlling means can be through predicting the gas variation, accurate setting system output pressure and keep stable, reduce or stop unnecessary and diffuse and unreasonable use, realize intelligent cluster management and control, reduce energy consumption.
Description
Technical Field
The utility model relates to the technical field of air compressor control, in particular to an air compressor control device.
Background
Compressed air is one of the most widely used power sources in industrial production, and is widely used because of its availability and freedom from pollution, which also makes compressed air very costly. Although the air source is easy to obtain, the air compression needs to consume a large amount of electric energy. The electric energy consumed by the compressed air system is mainly converted into mechanical energy by the air compressor and transmitted to the air, but in practice, the mechanical energy transmitted to the air by the air compressor is consumed by filters, dryers, separators, pipelines, pneumatic valves and the like in the system. The working pressure of the system directly influences the running electricity consumption, and the higher the pressure is, the larger the energy consumption is under the same gas quantity condition. If only the energy efficiency change of the air compressor end is calculated, the power is increased by about 8% every 0.1MPa of pressure is increased on the basis of a certain pressure; at the same time, the pressure increase also causes leakage increase and unnecessary gas consumption increase, and the gas consumption increase can reach 10-15% of the total flow.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide the air compressor control device which can predict the change of the air consumption through the matching of the air supply and the air consumption, accurately set the output pressure of the system, keep stable, reduce or stop unnecessary diffusion and unreasonable use, and realize intelligent cluster management and control and reduce the energy consumption.
The utility model provides an air compressor control device which comprises a main control unit, a measurement and control unit, at least one station control unit and at least one control cabinet, wherein the main control unit is connected with the station control unit;
the main control unit is respectively and electrically connected with at least one station control unit, the measurement and control unit is arranged on a compressed air pipe network and used for monitoring operation data of the compressed air pipe network in real time, at least one air compressor is communicated with the compressed air pipe network, the station control unit is respectively and electrically connected with at least one control cabinet and at least one air compressor, and the control cabinets are electrically connected with the air compressors in a one-to-one correspondence manner; the station control unit, the control cabinet and the air compressor are all arranged in the air compression station.
Further, the station control unit comprises a programmable logic controller and a communication assembly, wherein the programmable logic controller is electrically connected with the communication assembly, the programmable logic controller is electrically connected with the measurement and control unit, the main control unit and the control cabinet, and the communication assembly is electrically connected with the air compressor.
Further, the measurement and control unit comprises a pressure sensor and a flow sensor, wherein the pressure sensor and the flow sensor are both arranged on the compressed air pipe network.
Further, the communication assembly includes a modbus-DP communication module.
Further, the programmable logic controller is electrically connected with the measurement and control unit, the main control unit and the control cabinet through the input and output clamping piece.
Further, the system also comprises an optical fiber ring network, wherein the main control unit and the measurement and control unit are electrically connected with the station control unit through the optical fiber ring network.
Further, the remote control interface is electrically connected with the main control unit.
Further, the system also comprises a man-machine interface, wherein the man-machine interface is electrically connected with the main control unit.
Compared with the prior art, the utility model has the following beneficial effects:
according to the air compressor control device, the air compressor set pressure is adjusted in real time by utilizing the air compressor air inlet guide vane control characteristics, the air consumption change is predicted by matching air supply and air consumption, the system output pressure is accurately set and kept stable, unnecessary diffusion and unreasonable use are reduced or stopped, intelligent cluster management and control is realized, energy consumption is reduced, maintenance and overhaul are simple, and on-site or remote operation can be performed.
Meanwhile, the air compressor control device can fundamentally ensure the safe operation of the air compressor, and is specifically as follows:
1) Ensuring that the pressure of the air compressor is set between the highest limit and the lowest limit, and ensuring that the pressure is set in a safe and effective range;
2) When the net is broken, the pressure is set to be a higher pressure value, so that the gas use safety is ensured;
3) When the power is off, the operation is switched into manual operation through a relay, and the operation is performed according to a preset manual operation pressure value.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
fig. 1 is an application schematic diagram of an air compressor control device according to an embodiment of the present utility model.
Detailed Description
The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.
Referring to fig. 1, an embodiment of the present application provides an air compressor control device, configured to control operation of at least one air compressor in at least one air compressor station, where the air compressor control device includes a man-machine interface, a remote control interface, a main control unit, a measurement and control unit, an optical fiber ring network, station control units arranged in the air compressor station and corresponding to the air compressor stations one by one, and a control cabinet arranged in the air compressor station and corresponding to the air compressor stations one by one and electrically connected;
the main control unit is respectively and electrically connected with the human-computer interface and the remote control interface, the main control unit is respectively and electrically connected with at least one station control unit through an optical fiber ring network, the main control unit is used for carrying out data analysis and modeling diagnosis to obtain control instructions and realize the control of the air compressor, the measurement and control unit is respectively and electrically connected with at least one station control unit through the optical fiber ring network, the measurement and control unit is arranged on a compressed air pipe network and is used for monitoring operation data of the compressed air pipe network in real time, at least one air compressor is communicated with the compressed air pipe network, the station control unit is respectively and electrically connected with at least one control cabinet and at least one air compressor, and the control cabinet is electrically connected with the air compressors in a one-to-one correspondence mode.
The station control unit comprises a programmable logic controller, a communication assembly and a display screen, wherein the programmable logic controller, the communication assembly and the display screen are electrically connected one by one, the programmable logic controller is electrically connected with the measurement and control unit, the main control unit and the control cabinet through an input and output clamping piece, the communication assembly comprises a modbus-DP communication module, the modbus-DP communication module is electrically connected with an air compressor of a modbus protocol interface, fault properties of each air compressor and corresponding messages are found through a plurality of status words which are continuously and circularly displayed, the electrical interface of the modbus-DP communication module is RS485 (2 lines), and the supported DP-PROFI BUS baud rate is as follows: 9.6K-1.5M (adaptive), supported modbus baud rates 2400, 4800, 9600, 14400, 19200, 38400, 57600, 115200, check bits (8 bits no check 1 stop bit, 8 bits even check 1 stop bit, 8 bits odd check 1 stop bit, 8 bits no check 2 stop bit), display screen including touch display panel devices for displaying status, parameter settings, data recording, alarm; the measurement and control unit comprises a pressure sensor and a flow sensor, and the pressure sensor and the flow sensor are both arranged on the compressed air pipe network.
In an alternative embodiment, the pressure sensor signal at the newly added user's end may be transmitted by hard wiring.
In the embodiment, the air compressor control device monitors the operation data of the compressed air pipe network in real time through the pressure sensor and the flow sensor, monitors the operation data of the air compressor in real time through the communication module by utilizing an RS485 communication mode, the pressure sensor, the flow sensor and the communication module transmit the operation data of the compressed air pipe network and the operation data of the air compressor to the programmable logic controller, the programmable logic controller transmits the operation data to the main control system through the optical fiber ring network, the main control system performs mass data analysis and modeling diagnosis to obtain a control instruction, the control instruction is transmitted to the programmable logic controller through the optical fiber ring network, and the programmable logic controller transmits the control instruction to the control cabinet, so that the control cabinet controls the air compressor inlet guide vane and adjusts the outlet pressure flow based on the control instruction; the device is mainly connected with a TCP/IP by adopting a Modbus bus, and realizes the dispatching, partial pressure, regulation and intelligent group control of compressed air, gas production and gas supply as required and energy saving.
The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the utility model. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (8)
1. The air compressor control device is characterized by comprising a main control unit, a measurement and control unit, at least one station control unit and at least one control cabinet;
the main control unit is respectively and electrically connected with at least one station control unit, the measurement and control unit is arranged on a compressed air pipe network and used for monitoring operation data of the compressed air pipe network in real time, at least one air compressor is communicated with the compressed air pipe network, the station control unit is respectively and electrically connected with at least one control cabinet and at least one air compressor, and the control cabinets are electrically connected with the air compressors in a one-to-one correspondence manner; the station control unit, the control cabinet and the air compressor are all arranged in the air compression station.
2. The air compressor control device of claim 1, wherein the station control unit comprises a programmable logic controller and a communication assembly, the programmable logic controller is electrically connected with the measurement and control unit, the main control unit and the control cabinet, and the communication assembly is electrically connected with the air compressor.
3. The air compressor control device of claim 1, wherein the measurement and control unit includes a pressure sensor and a flow sensor, both of which are disposed on the compressed air pipe network.
4. The air compressor control device of claim 2, wherein the communication assembly comprises a modbus-DP communication module.
5. The air compressor control device according to claim 2, wherein the programmable logic controller is electrically connected with the measurement and control unit, the main control unit and the control cabinet through input/output clamping pieces.
6. The air compressor control device of any one of claims 1 to 5, further comprising an optical fiber ring network, wherein the main control unit and the measurement and control unit are electrically connected to the station control unit through the optical fiber ring network.
7. The air compressor control device of claim 6, further comprising a remote control interface electrically connected to the main control unit.
8. The air compressor control device of claim 7, further comprising a human-machine interface electrically connected to the main control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321591906.6U CN220452166U (en) | 2023-06-21 | 2023-06-21 | Air compressor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321591906.6U CN220452166U (en) | 2023-06-21 | 2023-06-21 | Air compressor control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220452166U true CN220452166U (en) | 2024-02-06 |
Family
ID=89736038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321591906.6U Active CN220452166U (en) | 2023-06-21 | 2023-06-21 | Air compressor control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220452166U (en) |
-
2023
- 2023-06-21 CN CN202321591906.6U patent/CN220452166U/en active Active
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