CN213175965U - Air compressor machine frequency conversion drive control system - Google Patents
Air compressor machine frequency conversion drive control system Download PDFInfo
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- CN213175965U CN213175965U CN202021858250.6U CN202021858250U CN213175965U CN 213175965 U CN213175965 U CN 213175965U CN 202021858250 U CN202021858250 U CN 202021858250U CN 213175965 U CN213175965 U CN 213175965U
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- 238000005457 optimization Methods 0.000 claims abstract description 31
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- 238000001514 detection method Methods 0.000 claims description 16
- 239000010687 lubricating oil Substances 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 239000010705 motor oil Substances 0.000 description 1
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Abstract
The utility model discloses a variable frequency drive control system of an air compressor, which comprises a frequency converter set, an air network pipeline and a control panel, wherein a controller, a PID optimization module, a data receiving module and a data acquisition terminal are arranged in the control panel, the output end of the data acquisition terminal is connected with the receiving end of the data receiving module, the output end of the data receiving module is connected with the receiving end of the PID optimization module, the signal output end of the PID optimization module is connected with the control signal receiving end of the controller, the utility model discloses a plurality of sets of PID regulators are arranged in the PID optimization module, the setting of the PID regulators can be adjusted according to the actual requirement, so that the pressure value after optimization is made by excessive PID regulators, the system can run stably, avoid frequent regulation, contribute to better energy saving, and after PID optimization processing is carried out by collecting the pressure value in multiple places, the pressure value can be controlled with high precision.
Description
Technical Field
The utility model relates to an air compressor machine frequency conversion drive technical field specifically is an air compressor machine frequency conversion drive control system.
Background
An air compressor is a device for compressing gas. The air compressor is constructed similarly to a water pump. Most air compressors are of the reciprocating piston type, rotating vane type or rotating screw type, and the air compressor is a main body in an air source device, which is a device for converting mechanical energy of a prime mover (usually an electric motor) into gas pressure energy, and is an air pressure generating device for compressing air. Air compressors are of many types and can be classified into three main types according to the working principle: volumetric, dynamic (speed or turbine), thermal compressors; the lubricating mode can be divided into an oil-free air compressor and an engine oil lubricating air compressor; the properties of the material are as follows: but low noise frequency conversion, explosion-proof air compressor machine etc.
With the development of society and the progress of science and technology, the production with high efficiency and low consumption has been more and more concerned by people, and the energy conservation, the consumption reduction and the reduction of the production cost are urgent. And with the development of power electronic technology, the frequency converter is more and more widely applied in the field of speed regulation. As a mature high-tech product, the energy-saving.
The air compressor is combined with a frequency conversion technology for use, in the using process of the air compressor, the working state and the parameter setting of the frequency converter are required to be adjusted by detecting the pressure value in an air network pipeline, but when the pressure value is collected by the existing air compressor, the pressure value of an exhaust end is collected singly, so that the running state of the frequency converter is not in an energy-saving state, and therefore, the frequency conversion driving control system of the air compressor is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air compressor machine frequency conversion drive control system to in the use of solving above-mentioned background art at the air compressor machine, the operating condition and the parameter setting that need adjust the converter through the pressure value that detects in the gas network pipeline, but present air compressor machine when gathering the pressure value, the pressure value of single collection exhaust end, make the running state of converter not the problem under energy-conserving state.
In order to achieve the above object, the utility model provides a following technical scheme: a frequency conversion driving control system of an air compressor comprises a frequency conversion unit, an air network pipeline and a control panel, wherein a controller, a PID optimization module, a data receiving module and a data acquisition terminal are arranged in the control panel, the output end of the data acquisition terminal is connected with the receiving end of the data receiving module, the output end of the data receiving module is connected with the receiving end of the PID optimization module, the signal output end of the PID optimization module is connected with the control signal receiving end of the controller, and the control signal output end of the controller is connected with the frequency conversion unit and the air network pipeline.
The controller adopts a PLC chip capable of inputting programs;
preferably, the data acquisition terminal comprises a pipeline pressure unit, a temperature detection unit and a flow detection unit, wherein the pipeline pressure unit is used for acquiring a pressure value in a pipeline in the air compressor; the temperature detection unit is used for collecting the temperature of lubricating oil at the head of the air compressor, and the flow detection unit is used for collecting the flow of air flow in an air compressor official network; the pipeline pressure unit adopts a pressure sensor, the pressure sensor is installed on an exhaust pipeline of the air compressor, the temperature detection unit adopts a temperature sensor, the temperature sensor is installed at the machine head lubricating oil position of the air compressor, and the flow detection unit adopts a flow sensor.
Preferably, the air inlet end, the middle line end and the air outlet end of the exhaust pipeline are all provided with pressure sensors.
Preferably, the PID optimization module includes PID regulators, and the PID regulators set up multiple sets as required, and the output end of the data receiving module is connected with the receiving end of the PID regulator.
Preferably, the frequency converter unit comprises a frequency converter for a main motor and a frequency converter for a cooling fan, the control signal receiving end of the frequency converter for the main motor is connected with the controller, the control signal output end of the frequency converter for the main motor is connected with the main motor of the air compressor, the control signal receiving end of the frequency converter for the cooling fan is connected with the controller, and the control signal output end of the frequency converter for the cooling fan is connected with the cooling fan.
Preferably, the air network pipeline is provided with control valves at the air inlet end and the air outlet end of the pipeline, and the flow sensors are also arranged at the air inlet end and the air outlet end of the pipeline.
The utility model provides an air compressor machine frequency conversion drive control system possesses following beneficial effect:
(1) the utility model utilizes the control panel to control and regulate the frequency converter set and the air network pipeline of the air compressor, when in use, the data acquisition terminal is utilized to acquire the pressure value and the air flow in the pipeline of the air compressor and the temperature of the lubricating oil at the head of the air compressor, and the acquired data is transmitted to the data receiving module, the data receiving module integrates the information and then transmits the information to the PID optimization module, the PID regulator in the PID optimization module is utilized to carry out optimization treatment, the optimized parameter setting is transmitted to the frequency converter for the heat radiating fan and the frequency converter for the main motor through the controller, after the frequency converter for the heat radiating fan and the frequency converter for the main motor receive the signals, the corresponding main motor and the heat radiating fan are started, and meanwhile, the controller transmits opening and closing signals to the control valves on the air inlet end and the air outlet end of the air network pipeline, so that the control valves are closed or opened, therefore, the variable frequency drive control system of the air compressor can be operated in an optimized state.
(2) The utility model discloses a set up multiunit PID regulator in PID optimization module, the setting of PID regulator can be adjusted according to actual demand for through doing the PID regulator excessively, the pressure value after optimizing can make the system operate steadily, avoid frequently adjusting, help better energy-conservation.
(3) The utility model discloses an all install pressure sensor at air compressor's exhaust pipe's inlet end, middle way end and the end of giving vent to anger to make the pressure value in the exhaust pipe carry out multiposition collection, the data after gathering at last advance the processing of gathering, can realize high accuracy pressure sampling, gather the pressure value through many places and carry out PID optimization processing back, can carry out high accuracy control to the pressure value.
Drawings
Fig. 1 is a block diagram of the system structure of the present invention;
FIG. 2 is a schematic structural view of the frequency converter set of the present invention;
fig. 3 is the utility model discloses a data acquisition terminal structure schematic diagram.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-3, the utility model provides a technical solution: a frequency conversion driving control system of an air compressor comprises a frequency conversion unit, an air network pipeline and a control panel, wherein a controller, a PID optimization module, a data receiving module and a data acquisition terminal are arranged in the control panel, the output end of the data acquisition terminal is connected with the receiving end of the data receiving module, the output end of the data receiving module is connected with the receiving end of the PID optimization module, the signal output end of the PID optimization module is connected with the control signal receiving end of the controller, and the control signal output end of the controller is connected with the frequency conversion unit and the air network pipeline.
The controller adopts a PLC chip capable of inputting programs;
preferably, the data acquisition terminal comprises a pipeline pressure unit, a temperature detection unit and a flow detection unit, wherein the pipeline pressure unit is used for acquiring a pressure value in a pipeline in the air compressor; the temperature detection unit is used for collecting the temperature of lubricating oil at the head of the air compressor, and the flow detection unit is used for collecting the flow of air flow in an air compressor official network; the pipeline pressure unit adopts a pressure sensor, the pressure sensor is installed on an exhaust pipeline of the air compressor, the temperature detection unit adopts a temperature sensor, the temperature sensor is installed at the machine head lubricating oil position of the air compressor, and the flow detection unit adopts a flow sensor.
Preferably, the air inlet end, the middle line end and the air outlet end of the exhaust pipeline are all provided with pressure sensors.
Preferably, the PID optimization module includes PID regulators, and the PID regulators set up multiple sets as required, and the output end of the data receiving module is connected with the receiving end of the PID regulator.
Preferably, the frequency converter unit comprises a frequency converter for a main motor and a frequency converter for a cooling fan, the control signal receiving end of the frequency converter for the main motor is connected with the controller, the control signal output end of the frequency converter for the main motor is connected with the main motor of the air compressor, the control signal receiving end of the frequency converter for the cooling fan is connected with the controller, and the control signal output end of the frequency converter for the cooling fan is connected with the cooling fan.
Preferably, the air network pipeline is provided with control valves at the air inlet end and the air outlet end of the pipeline, and the flow sensors are also arranged at the air inlet end and the air outlet end of the pipeline.
It should be noted that, in the operation of the air compressor variable frequency drive control system, the pressure sensors in the pipeline pressure unit are used for collecting the pressure of each group of positions in the air network pipeline in the air compressor, wherein the air inlet end, the middle circuit end and the air outlet end of the air network pipeline are respectively provided with the pressure sensors, the pressure values of different positions of the air network pipeline are collected and transmitted to the data receiving module, the data receiving module integrates the collected data, then the integrated data are transmitted to the PID optimization module, the PID regulator in the PID optimization module is used for carrying out optimization processing, the PID regulator is used for processing the pressure values, the operation frequency of the frequency converter for the main motor is calculated according to the difference between the pressure values and the set value, then the rotating speed of the main motor is regulated according to the operation frequency of the frequency converter, so that the rotating speed of the main motor is placed at a reasonable rotating speed under the condition of ensuring the pressure stabilization, the energy-saving effect is achieved, meanwhile, the controller transmits opening or closing signals to the control valves on the air inlet end and the air outlet end of the air network pipeline, the control valves are closed or opened, so that the variable frequency drive control system of the air compressor is enabled to operate in an optimized state, the temperature sensor at the head lubricating oil position of the air compressor acquires the head temperature in real time and transmits the data of the head temperature to the data receiving module, the data receiving module integrates the acquired data, then the integrated data are transmitted to the PID optimization module, the PID regulator in the PID optimization module is used for optimization processing, the PID regulator is used for processing the temperature value, the operating frequency of the frequency converter for the cooling fan is calculated according to the temperature difference between the temperature value and a set value, then the rotating speed of the cooling fan is adjusted according to the operating frequency of the frequency converter, and the cooling fan is used for cooling the air compressor, the rotating speed of the cooling fan is adjusted through the temperature difference, the operation parameters of the cooling fan can be better optimized, the cooling fan can operate in a sub-energy-saving state, a plurality of sets of PID regulators are arranged in the PID optimization module, the PID regulators can be adjusted according to actual requirements, the PID regulators are made to be excessive, the optimized pressure value can enable the system to operate stably, frequent adjustment is avoided, better energy saving is facilitated, pressure sensors are mounted at the air inlet end, the middle circuit end and the air outlet end of an exhaust pipeline of the air compressor, accordingly pressure values in the exhaust pipeline are collected in multiple positions, finally collected data are collected, high-precision pressure sampling can be achieved, and the pressure values can be controlled in high precision after PID optimization processing is carried out through the pressure values collected in multiple places.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an air compressor machine frequency conversion drive control system, includes frequency conversion unit and air network pipeline and control panel, its characterized in that: the control panel is internally provided with a controller, a PID optimization module, a data receiving module and a data acquisition terminal, wherein the output end of the data acquisition terminal is connected with the receiving end of the data receiving module, the output end of the data receiving module is connected with the receiving end of the PID optimization module, the signal output end of the PID optimization module is connected with the control signal receiving end of the controller, and the control signal output end of the controller is connected with the frequency converter set and the air network pipeline.
2. The variable frequency drive control system of the air compressor according to claim 1, characterized in that: the data acquisition terminal comprises a pipeline pressure unit, a temperature detection unit and a flow detection unit, wherein the pipeline pressure unit adopts a pressure sensor, the pressure sensor is installed on an exhaust pipeline of the air compressor, the temperature detection unit adopts a temperature sensor, the temperature sensor is installed at the machine head lubricating oil position of the air compressor, and the flow detection unit adopts a flow sensor.
3. The variable frequency drive control system of the air compressor according to claim 2, characterized in that: and pressure sensors are arranged at the air inlet end, the middle line end and the air outlet end of the exhaust pipeline.
4. The variable frequency drive control system of the air compressor according to claim 1, characterized in that: the PID optimization module comprises PID regulators, the PID regulators are provided with a plurality of groups according to requirements, and the output end of the data receiving module is connected with the receiving end of the PID regulators.
5. The variable frequency drive control system of the air compressor according to claim 1, characterized in that: the frequency converter unit comprises a frequency converter for a main motor and a frequency converter for a cooling fan, wherein a control signal receiving end of the frequency converter for the main motor is connected with the controller, a control signal output end of the frequency converter for the main motor is connected with the main motor of the air compressor, a control signal receiving end of the frequency converter for the cooling fan is connected with the controller, and a control signal output end of the frequency converter for the cooling fan is connected with the cooling fan.
6. The variable frequency drive control system of the air compressor according to claim 1, characterized in that: the air network pipeline is provided with control valves at the air inlet end and the air outlet end of the pipeline, and the flow sensors are also arranged at the air inlet end and the air outlet end of the pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021858250.6U CN213175965U (en) | 2020-08-31 | 2020-08-31 | Air compressor machine frequency conversion drive control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021858250.6U CN213175965U (en) | 2020-08-31 | 2020-08-31 | Air compressor machine frequency conversion drive control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483521A (en) * | 2022-02-12 | 2022-05-13 | 浙江凯途机电有限公司 | Novel oil-free compressor and main engine thereof |
| CN115852347A (en) * | 2022-12-28 | 2023-03-28 | 楚赟精工科技(上海)有限公司 | Temperature control device and method and chemical vapor deposition equipment |
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2020
- 2020-08-31 CN CN202021858250.6U patent/CN213175965U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483521A (en) * | 2022-02-12 | 2022-05-13 | 浙江凯途机电有限公司 | Novel oil-free compressor and main engine thereof |
| CN114483521B (en) * | 2022-02-12 | 2024-06-28 | 浙江凯途机电有限公司 | Oil-free compressor |
| CN115852347A (en) * | 2022-12-28 | 2023-03-28 | 楚赟精工科技(上海)有限公司 | Temperature control device and method and chemical vapor deposition equipment |
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