Oil-free air compression pump energy efficiency monitoring and self-adaptive adjusting system based on Internet of Things

Abstract

The utility model discloses an oil-free air compression pump energy efficiency monitoring and self-adaptive adjusting system based on the Internet of Things, which comprises an air storage tank, an Internet of Things cloud server, a data acquisition unit, an air distribution pipe, a control unit and a plurality of oil-free air compression pumps, air inlet pipes connected with the air storage tank are arranged at the air outlet ends of the multiple oil-free air compression pumps respectively, an air outlet pipe is arranged between the air storage tank and the air distribution pipe, the data acquisition unit comprises a preprocessing module, a temperature sensor, a pressure sensor and a flow sensor, the temperature sensor is arranged on the air inlet pipe, and the flow sensor is arranged on the air outlet pipe; the pressure sensor is arranged on the air storage tank, the flow sensor is used for monitoring the change of the air use demand, one or more oil-free air compression pumps are selected to work, and the rotating speed is finely adjusted within the rotating speed range of stable work, so that the output air flow can meet the air use demand; and monitoring of energy consumption is realized.

Description

Technical Field

[0001] This utility model relates to the field of air compressor pump control, and in particular to an energy efficiency monitoring and adaptive adjustment system for an oil-free air compressor pump based on the Internet of Things. Background Technology

[0002] In order to balance factors such as motor efficiency, cooling rate, noise and mechanical stress during operation, oil-free air compressor pumps typically have a speed range, such as 900 to 1800 RPM. Within this speed range, they can maintain stable operation for a long time.

[0003] Although the stable operating speed range of an oil-free air compressor pump is not very wide, the output air flow rate varies considerably. If the air consumption of the air-using equipment varies within this range, a single oil-free air compressor pump can meet the requirements. In reality, due to the large number of air-using devices and the resulting significant variations in air consumption, multiple oil-free air compressor pumps are often needed to meet the air demand. This increases the difficulty of control and is detrimental to energy efficiency control, necessitating improvements. Utility Model Content

[0004] The purpose of this invention is to provide an IoT-based energy efficiency monitoring and adaptive adjustment system for oil-free air compressors, enabling the regulation and energy efficiency monitoring of oil-free air compressors and improving adaptability to changes in air demand.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] An IoT-based energy efficiency monitoring and adaptive adjustment system for oil-free air compressors includes: an air tank, an IoT cloud server, a data acquisition unit, an air distribution pipe, a control unit, and multiple oil-free air compressors. Each of the multiple oil-free air compressors has an inlet pipe connected to the air tank at its outlet. An outlet pipe is provided between the air tank and the air distribution pipe. The data acquisition unit includes a preprocessing module, a temperature sensor, a pressure sensor, and a flow sensor. The temperature sensor is located on the inlet pipe to monitor the temperature of the airflow output by the corresponding oil-free air compressor. The flow sensor is located on the outlet pipe to monitor the flow rate of the airflow output from the air tank. The pressure sensor is located on the air tank to monitor the air pressure. The temperature sensor, pressure sensor, and flow sensor are each connected to the preprocessing module for signal transmission. The preprocessing module is connected to the control unit. The control unit is connected to the IoT cloud server via a wired or wireless network.

[0007] Among them, several oil-free air compressor pumps have the same model number.

[0008] It also includes a control terminal, which is connected to the Internet of Things cloud server via a wireless network.

[0009] The control terminal is a smartphone or a computer.

[0010] The gas distribution pipe is provided with gas-use pipes at intervals, and the gas-use pipes are equipped with solenoid valves.

[0011] The control unit is connected to the solenoid valve.

[0012] The control unit is connected to multiple oil-free air compressor pumps to control and switch the operation of the multiple oil-free air compressor pumps in order to adapt to changes in air demand.

[0013] The beneficial effects of this utility model are as follows: An IoT-based oil-free air compressor pump energy efficiency monitoring and adaptive adjustment system monitors changes in air demand through a flow sensor. Based on the air flow rate output by a single oil-free air compressor pump within its stable operating speed range, it selects one or more oil-free air compressor pumps to operate and fine-tunes their speeds within the stable operating speed range to ensure that the output air flow rate meets the air demand, thus improving adaptability to changes in air demand. Moreover, the oil-free air compressor pumps always operate within a stable operating speed range. Through IoT control, energy consumption is reduced, and energy consumption can be converted through the speed of each oil-free air compressor pump, enabling energy consumption monitoring. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0015] The following is combined Figure 1 The technical solution of this utility model will be further illustrated through specific embodiments.

[0016] like Figure 1 The oil-free air compressor pump energy efficiency monitoring and adaptive adjustment system based on the Internet of Things shown includes: a control terminal 2, an air tank 3, an Internet of Things cloud server 1, a data acquisition unit, an air distribution pipe 9, a control unit 4, and multiple oil-free air compressor pumps 14. The outlet end of each of the multiple oil-free air compressor pumps 14 is provided with an air inlet pipe 13 connected to the air tank 3. When one or more oil-free air compressor pumps 14 are working, compressed air is sent into the air tank 3 through the air inlet pipe 13.

[0017] The control unit 4 is connected to multiple oil-free air compressor pumps 14 to control and switch their operation to adapt to changes in air demand. The data acquisition unit includes a preprocessing module 11, a temperature sensor 12, a pressure sensor 10, and a flow sensor 6. The pressure sensor 10 is installed on the air storage tank 3 to monitor the air pressure in the tank. When the air pressure in the air storage tank 3 reaches the highest point of a set range, the oil-free air compressor pump 14 can be shut down to reduce energy consumption.

[0018] The temperature sensor 12 is installed on the air intake pipe 13 to monitor the temperature of the airflow output from the corresponding oilless air compressor pump 14. When the temperature of the airflow output from the corresponding oilless air compressor pump 14 exceeds the standard, it indicates that the corresponding oilless air compressor pump 14 has been working for too long and needs to reduce its speed or be shut down for heat dissipation. At this time, the control unit 4 shuts down the corresponding oilless air compressor pump 14 or reduces its speed. Within the stable operating speed range, the speed of other operating oilless air compressor pumps is increased. If the air demand cannot be met, other non-operating oilless air compressor pumps can be turned on for switching.

[0019] An outlet pipe 6 is provided between the gas storage tank 3 and the gas distribution pipe 9. Gas supply pipes 8 are spaced apart on the gas distribution pipe 9 and connected to the gas-using equipment to supply gas to it. A solenoid valve 7 is installed on each gas supply pipe 8. The control unit 4 is connected to the solenoid valve 7. When the gas-using equipment is working, the control unit 4 opens the corresponding solenoid valve 7 to supply gas. When the gas-using equipment is stopped, the corresponding solenoid valve remains closed, saving gas and reducing energy consumption.

[0020] like Figure 1 As shown, the flow sensor 6 is installed on the outlet pipe 5 to monitor the flow rate of the air output from the air tank 3. In other words, changes in air demand can be monitored through the flow sensor 6. Based on the air flow rate output by a single oil-free air compressor pump 14 within its stable operating speed range, one or more oil-free air compressor pumps are selected for operation, and their speeds are finely adjusted within the stable operating speed range to ensure that the output air flow rate can meet the air demand, improving adaptability to changes in air demand. Moreover, the oil-free air compressor pump 14 always operates within its stable operating speed range, which helps reduce energy consumption and extend its service life.

[0021] The temperature sensor 12, pressure sensor 10, and flow sensor 6 are each connected to the preprocessing module 11 for signal transmission. The preprocessing module 11, containing a microprocessor, preprocesses the signals, unifying the various data into a standard format for easy transmission and retrieval. The preprocessing module 11 is connected to the control unit 4, enabling the control unit 4 to obtain the specific values ​​from the temperature sensor 12, pressure sensor 10, and flow sensor 6.

[0022] The control unit 4 is connected to the IoT cloud server 1 via a wired or wireless network for information exchange and transmission. In this embodiment, the IoT cloud server 1 stores a database corresponding to the operating parameters of various models of oil-free air compressor pumps, and can retrieve the operating parameter data of the corresponding model and send it to the control unit 4.

[0023] In this embodiment, multiple oil-free air compressor pumps 14 are of the same model, facilitating control and flow rate adjustment. The control unit 4 obtains the operating parameters of the corresponding oil-free air compressor pump through the IoT cloud server 1. Based on the air flow rate output by a single oil-free air compressor pump 14 within its stable operating speed range, it selects one or more oil-free air compressor pumps 14 to operate and fine-tunes their speed within the stable operating speed range to ensure that the output air flow rate meets the air demand.

[0024] Furthermore, since the rotational speed of the oilless air compressor pump 14 is controlled by the control unit 4, the control unit 4 can obtain the real-time power and energy efficiency of the oilless air compressor pump 14 based on the rotational speed and operating parameters, thereby achieving energy efficiency monitoring.

[0025] like Figure 1 As shown, the control terminal 2 is connected to the IoT cloud server 1 via a wireless network for network communication, enabling the control terminal 2 to control and fine-tune the oil-free air compressor pump 14 through the control unit 4. In this embodiment, the control terminal 2 is a smartphone or computer, which can display the real-time operating status of each oil-free air compressor pump 14, the air pressure of the air tank 3, and changes in air demand, and can detect abnormal oil-free air compressor pumps for convenient individual maintenance.

[0026] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. An oil-free air compression pump energy efficiency monitoring and adaptive regulation system based on Internet of Things, characterized in that, The utility model relates to a kind of air supply system, including: Gas storage tank, Internet of Things cloud server, data acquisition unit, air distribution pipe, control unit and multiple oil-free air compressor pumps, the air outlet end of multiple oil-free air compressor pumps is respectively provided with the air inlet pipe connected with gas storage tank, air outlet pipe is arranged between gas storage tank and air distribution pipe, the data acquisition unit includes preprocessing module, temperature sensor, pressure sensor and flow sensor, the temperature sensor is arranged on air inlet pipe, corresponding oil-free air compressor pump output air flow temperature monitoring is carried out, the flow sensor is arranged on air outlet pipe, and the flow of gas storage tank output air flow monitoring is carried out, the pressure sensor is arranged on gas storage tank, and the air pressure monitoring of gas storage tank is carried out, the temperature sensor, pressure sensor and flow sensor are respectively connected with preprocessing module, signal transmission is carried out, the preprocessing module is connected with control unit, and control unit is connected with Internet of Things cloud server by wired network or wireless network.

2. The IoT based oil-free air compression pump energy efficiency monitoring and adaptive regulation system as claimed in claim 1 wherein, Multiple oil-free air compressor pumps are of the same model.

3. The IoT based oil-less air compression pump energy efficiency monitoring and adaptive regulation system as claimed in claim 1 wherein, It also includes a control terminal connected to the Internet of Things cloud server through a wireless network.

4. The IoT based oil-free air compression pump energy efficiency monitoring and adaptive regulation system as claimed in claim 3 wherein, The control terminal is a smartphone or a computer.

5. The IoT based oil-less air compression pump energy efficiency monitoring and adaptive regulation system as claimed in claim 1 wherein, The air distribution pipe is provided with a gas pipe at intervals.

6. The IoT based oil-free air compression pump energy efficiency monitoring and adaptive regulation system as claimed in claim 5 wherein, The control unit is connected to the solenoid valve.

7. The IoT based oil-less air compression pump energy efficiency monitoring and adaptive regulation system as claimed in claim 1 wherein, The control unit is connected to multiple oil-free air compressor pumps to control and switch the operation of multiple oil-free air compressor pumps to adapt to changes in air demand.

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