CN215719408U - Energy-saving control system of medium-high pressure air compressor - Google Patents
Energy-saving control system of medium-high pressure air compressor Download PDFInfo
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- CN215719408U CN215719408U CN202122262677.0U CN202122262677U CN215719408U CN 215719408 U CN215719408 U CN 215719408U CN 202122262677 U CN202122262677 U CN 202122262677U CN 215719408 U CN215719408 U CN 215719408U
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Abstract
The utility model provides an energy-saving control system of a medium-high pressure air compressor, which comprises: the switch cabinet is communicated with an external power supply and is used for controlling the power supply of the air compressor; the starting cabinet is a control and transmission unit of high-voltage power; the frequency conversion cabinet is a power driving unit of the energy-saving control system; the sensor unit is arranged in the air compressor and used for monitoring the state of the air compressor; and the control cabinet is used for controlling the switch cabinet, the starting cabinet and the frequency conversion cabinet to be switched on and off and acquiring the state information of the air compressor acquired by the sensor unit. The effects of improving the loading rate and saving electric energy can be achieved.
Description
Technical Field
The utility model relates to an air compressor control system, in particular to an energy-saving control system of a medium-high pressure air compressor.
Background
The air compressor is an important industrial device in modern factories, is an important energy generation form, and is widely applied to various fields such as power electronics, light industry, food and the like.
The air compressor has two working modes of loading and unloading, wherein an air inlet valve is opened in a loading mode, the air compressor generates compressed air, an air valve is closed in an unloading mode, and the air compressor is in an idle running state. The ratio of the loading time to the total operation time is called the loading rate, and the loading rate of most air compressors in a factory is less than 1.
The medium-high pressure air compressors are generally high in power, even if the loading rate is high, a large amount of electric energy is still consumed in the unloading mode, and therefore the air compressors need to be optimized, the loading rate is improved, and the electric energy is saved.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the existing air compressor control system, the utility model provides an energy-saving control system of a medium-high pressure air compressor, which can achieve the effects of improving the loading rate and saving electric energy.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a middle and high pressure air compressor's energy-saving control system, middle and high pressure air compressor's energy-saving control system includes:
the switch cabinet is communicated with an external power supply and is used for controlling the power supply of the air compressor;
the starting cabinet is a control and transmission unit of high-voltage power;
the frequency conversion cabinet is a power driving unit of the energy-saving control system;
the sensor unit is arranged in the air compressor and used for monitoring the state of the air compressor;
and the control cabinet is used for controlling the switch cabinet, the starting cabinet and the frequency conversion cabinet to be switched on and off and acquiring the state information of the air compressor acquired by the sensor unit.
According to an aspect of the utility model, said sensor unit comprises: the temperature sensor is used for monitoring the temperature information of the main machine of the air compressor; the vibration sensor is used for monitoring vibration information of the main machine of the air compressor; and the pressure sensor is used for monitoring the pressure state of the outlet of the main machine of the air compressor.
According to one aspect of the utility model, the energy-saving control system of the medium-high pressure air compressor further comprises a touch screen, and the touch screen is arranged on the control cabinet.
According to one aspect of the utility model, the energy-saving control system of the medium-high pressure air compressor further comprises a bypass cabinet, wherein the bypass cabinet is a standby unit of the power driving unit.
The implementation of the utility model has the advantages that:
the utility model provides an energy-saving control system of a medium-high pressure air compressor, which comprises: the switch cabinet is communicated with an external power supply and is used for controlling the power supply of the air compressor; the starting cabinet is a control and transmission unit of high-voltage power; the frequency conversion cabinet is a power driving unit of the energy-saving control system; the sensor unit is arranged in the air compressor and used for monitoring the state of the air compressor; and the control cabinet is used for controlling the switch cabinet, the starting cabinet and the frequency conversion cabinet to be switched on and off and acquiring the state information of the air compressor acquired by the sensor unit. The effects of improving the loading rate and saving electric energy can be achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an energy-saving control system of a medium-high pressure air compressor according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an energy-saving control system for a medium-high pressure air compressor comprises:
the switch cabinet 3 is communicated with an external power supply and is used for controlling the power supply of the air compressor; the switch cabinet is a source of a medium-high voltage power supply of the whole system, and opening and closing state signals of the switch cabinet need to be collected into the control cabinet;
the starting cabinet 4 is a control and transmission unit of high-voltage power; the starting cabinet is a control and transmission unit of high-voltage power in the air compressor, and the control cabinet controls the opening and closing of the air compressor. Opening and closing signals and fault signals of the starting cabinet need to be collected into the control cabinet.
The frequency conversion cabinet 5 is a power driving unit of the energy-saving control system; the frequency conversion cabinet is a power driving unit of the whole energy-saving control system, executes the instruction issued by the control cabinet and feeds back the running state and data to the control cabinet.
A safety signal linkage is required between the starting cabinet and the frequency conversion cabinet, and when the starting cabinet breaks down, the frequency conversion cabinet triggers an emergency stop response and prohibits operation; when the frequency conversion cabinet breaks down, the starting cabinet triggers a brake-separating signal so as to ensure the unpowered power supply of the frequency conversion cabinet.
The sensor unit 7 is arranged in the air compressor 6 and used for monitoring the state of the air compressor; the sensor unit comprises temperature information and vibration information of a main motor of the air compressor and a pressure signal of an outlet of the air compressor, and the temperature information and the vibration information of the main motor of the air compressor and the pressure signal of the outlet of the air compressor are required to be connected into the control cabinet. The temperature information and the vibration information are used for checking the running state of the air compressor, the pressure signal is used for feeding back the fluctuation of the outlet pressure of the air compressor, and the control cabinet modulates the frequency of the air compressor according to the signal.
And the control cabinet 2 is used for controlling the switch cabinet 3, starting the switch-on and switch-off of the cabinet and the frequency conversion cabinet 5 and acquiring the state information of the air compressor 6 acquired by the acquisition sensor unit 7. 4
In this embodiment, the sensor unit specifically includes: the temperature sensor is used for monitoring the temperature information of the main machine of the air compressor; the vibration sensor is used for monitoring vibration information of the main machine of the air compressor; and the pressure sensor is used for monitoring the pressure state of the outlet of the main machine of the air compressor.
In this embodiment, the energy-saving control system of middle and high pressure air compressor machine still includes touch-sensitive screen 1, touch-sensitive screen 1 sets up on the switch board.
In this embodiment, the energy-saving control system of the medium-high pressure air compressor further includes a bypass cabinet 8, and the bypass cabinet 8 is a standby unit of the power driving unit. The bypass cabinet is a standby unit in the energy-saving control system, and when the frequency converter cabinet breaks down, an operator manually operates the bypass cabinet to switch the power output of the switch cabinet from the frequency converter cabinet to the bypass cabinet so as to ensure the continuous production of a factory. The information related to the bypass cabinet needs to be collected into the control cabinet.
The working principle of the energy-saving control system is as follows: after the switch cabinet is switched on, the starting cabinet sends a switching-on signal to the switch cabinet, and the starting cabinet is switched on. And the air compressor sends a starting instruction, and the starting cabinet sends the starting instruction and a frequency instruction to the frequency conversion cabinet after detecting that all detection points are not abnormal. If the air compressor machine is in the uninstallation state, the switch board issues the minimum frequency instruction for the inverter cabinet. If the air compressor is in a loading state, the control cabinet sends a frequency signal to the frequency conversion cabinet through a PID control algorithm according to the pressure signal and in combination with the vibration value and the temperature value fed back by the air compressor.
The implementation of the utility model has the advantages that:
the utility model provides an energy-saving control system of a medium-high pressure air compressor, which comprises: the switch cabinet is communicated with an external power supply and is used for controlling the power supply of the air compressor; the starting cabinet is a control and transmission unit of high-voltage power; the frequency conversion cabinet is a power driving unit of the energy-saving control system; the sensor unit is arranged in the air compressor and used for monitoring the state of the air compressor; and the control cabinet is used for controlling the switch cabinet, the starting cabinet and the frequency conversion cabinet to be switched on and off and acquiring the state information of the air compressor acquired by the sensor unit. The effects of improving the loading rate and saving electric energy can be achieved. When any one of the starting cabinet, the switch cabinet and the frequency conversion cabinet fails, the energy-saving control system can quickly cut off a medium-high voltage power supply, so that the power utilization safety is ensured; the medium-high voltage energy-saving control system collects signals of all units through the control cabinet, any unit sends alarm information, and the system makes different levels of response according to the alarm to ensure the use safety; the air compressor system is regulated and controlled through an intelligent control algorithm, so that the starting characteristic of the medium-high pressure air compressor can be softened, the unloading power consumption of the medium-high pressure air compressor can be reduced, the operating pressure band of the air compressor can be optimized, the pressure fluctuation of the whole air compressor pipe network can be reduced, and the energy can be saved to the maximum extent.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (4)
1. The utility model provides a middle and high pressure air compressor's energy-saving control system which characterized in that: the energy-saving control system of the medium-high pressure air compressor comprises:
the switch cabinet is communicated with an external power supply and is used for controlling the power supply of the air compressor;
the starting cabinet is a control and transmission unit of high-voltage power;
the frequency conversion cabinet is a power driving unit of the energy-saving control system;
the sensor unit is arranged in the air compressor and used for monitoring the state of the air compressor;
and the control cabinet is used for controlling the switch cabinet, the starting cabinet and the frequency conversion cabinet to be switched on and off and acquiring the state information of the air compressor acquired by the sensor unit.
2. The energy-saving control system of the medium-high pressure air compressor as claimed in claim 1, wherein: the sensor unit specifically includes: the temperature sensor is used for monitoring the temperature information of the main machine of the air compressor; the vibration sensor is used for monitoring vibration information of the main machine of the air compressor; and the pressure sensor is used for monitoring the pressure state of the outlet of the main machine of the air compressor.
3. The energy-saving control system of the medium-high pressure air compressor as claimed in claim 2, wherein: the energy-saving control system of the medium-high pressure air compressor further comprises a touch screen, and the touch screen is arranged on the control cabinet.
4. The energy-saving control system of the medium-high pressure air compressor as claimed in claim 3, wherein: the energy-saving control system of the medium-high pressure air compressor further comprises a bypass cabinet, and the bypass cabinet is a standby unit of the power driving unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122262677.0U CN215719408U (en) | 2021-09-17 | 2021-09-17 | Energy-saving control system of medium-high pressure air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122262677.0U CN215719408U (en) | 2021-09-17 | 2021-09-17 | Energy-saving control system of medium-high pressure air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215719408U true CN215719408U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122262677.0U Active CN215719408U (en) | 2021-09-17 | 2021-09-17 | Energy-saving control system of medium-high pressure air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215719408U (en) |
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2021
- 2021-09-17 CN CN202122262677.0U patent/CN215719408U/en active Active
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