技术领域technical field
本发明属于机械设备只能监护研发技术领域，具体涉及一种真空滤油机远程监控系统及方法。The invention belongs to the technical field of mechanical equipment monitoring research and development, and in particular relates to a remote monitoring system and method for a vacuum oil filter.
背景技术Background technique
在电气安装施工中，由于变压器油处理量大以及环境气温低，导致热油循环时间较长，需工作人员日夜不间断地值守以及时发现并解决变压器在油处理中出现的问题，造成人力、物力的大量浪费；同时，若没有及时发现处理变压器油的泄露问题，会造成变压器油的大量泄漏，造成严重损失。随着电力工业的飞速发展，以继电接触器为主的老一代控制系统已经不能满足在热油循环系统无人值守状态下监控并及时解决变压器油的各种问题。In the electrical installation and construction, due to the large amount of transformer oil to be processed and the low ambient temperature, the hot oil circulation time is long, and the staff needs to be on duty day and night to find and solve the problems in the oil treatment of the transformer in time, resulting in manpower, A lot of waste of material resources; at the same time, if the leakage of transformer oil is not found and dealt with in time, it will cause a large amount of leakage of transformer oil and cause serious losses. With the rapid development of the electric power industry, the old-generation control system based on relay contactors has been unable to monitor and promptly solve various problems of transformer oil in the unattended state of the thermal oil circulation system.
发明内容Contents of the invention
针对现有技术存在的不足，本发明提供一种真空滤油机远程监控系统及方法，减少硬件接线、降低系统故障频率，大大减轻运行人员的劳动强度，且安全可靠。Aiming at the deficiencies in the prior art, the present invention provides a remote monitoring system and method for a vacuum oil filter, which reduces hardware wiring, reduces system failure frequency, greatly reduces the labor intensity of operators, and is safe and reliable.
本发明是通过以下技术方案实现的：The present invention is achieved through the following technical solutions:
真空滤油机远程监控系统，包括PLC控制器，所述PLC控制器的输入端连接信号隔离处理器，所述信号隔离处理器的输入端连接液位传感器、温度传感器、压力传感器和流量传感器，所述PLC控制器的输出端分别连接加热器、报警器和输油泵，所述PLC控制器的输出端还通过3G模块连接通信模块，所述PLC控制器通过所述通信模块连通手机或台式计算机。The vacuum oil filter remote monitoring system includes a PLC controller, the input end of the PLC controller is connected to a signal isolation processor, and the input end of the signal isolation processor is connected to a liquid level sensor, a temperature sensor, a pressure sensor and a flow sensor, The output end of the PLC controller is respectively connected to the heater, the alarm and the fuel pump, the output end of the PLC controller is also connected to the communication module through the 3G module, and the PLC controller is connected to the mobile phone or the desktop computer through the communication module .
进一步地，所述通信模块包括3G、WiFi、以太网和无线传输模块。Further, the communication module includes 3G, WiFi, Ethernet and wireless transmission modules.
真空滤油机远程监控方法，该方法包括利用上述的真空滤油机远程监控系统，液位传感器、温度传感器、压力传感器和流量传感器实时监测真空滤油机的各种状态，并将监测到的液位、油温、油压和流量均转换为电信号，经过信号隔离处理器送入PLC控制器进行处理，PLC控制器根据之前设置的各种参数值来确定对真空滤油机进行下一步操作，如果油温不够，则发送信息给加热器对油温进行加热，如果油温达标，则停止加热器的使用；如果液位过低，则启动输油泵进行油量的供给，如果液位过高，则停止输油泵的使用；如果油压大于设定值，则启动报警器并停止真空滤油机的运作；如果流量传感器监测到的流量值不在所设定的值范围内，则调节出油阀门，出油阀门与PLC控制器采用信号连接，使得流量符合标准。PLC控制器可以采用自动控制和手动控制，PLC控制器通过3G模块与通信模块联系，而通信模块通过3G、WiFi或以太网与手机通信连接，通信模块通过无线传输模块与台式计算机或笔记本电脑通信连接，工作人员通过手机或电脑对PLC控制器进行控制，通过PLC控制器传输的数据对真空滤油机进行相应的处理。A remote monitoring method for a vacuum oil filter, the method includes using the above-mentioned vacuum oil filter remote monitoring system, liquid level sensors, temperature sensors, pressure sensors and flow sensors to monitor various states of the vacuum oil filter in real time, and the monitored The liquid level, oil temperature, oil pressure and flow are all converted into electrical signals, which are sent to the PLC controller for processing through the signal isolation processor. The PLC controller determines the next step for the vacuum oil filter according to the various parameter values previously set. Operation, if the oil temperature is not enough, send a message to the heater to heat the oil temperature, if the oil temperature reaches the standard, then stop the use of the heater; if the liquid level is too low, start the oil pump to supply the oil, if the liquid level If the oil pressure is too high, stop the use of the oil pump; if the oil pressure is higher than the set value, start the alarm and stop the operation of the vacuum oil filter; if the flow value detected by the flow sensor is not within the set value range, adjust The oil outlet valve, the oil outlet valve is connected with the PLC controller by signal, so that the flow rate meets the standard. The PLC controller can adopt automatic control and manual control. The PLC controller communicates with the communication module through the 3G module, and the communication module communicates with the mobile phone through 3G, WiFi or Ethernet, and the communication module communicates with the desktop computer or laptop through the wireless transmission module. Connection, the staff controls the PLC controller through the mobile phone or computer, and performs corresponding processing on the vacuum oil filter through the data transmitted by the PLC controller.
与现有技术相比，本发明的有益效果是：本发明对真空滤油机的各种状态信号进行实时监测，然后通过信号隔离处理器处理后送入PLC控制器进行处理，PLC控制器的自动操控或手动操控模式可以及时针对真空滤油机的不同状况进行不同的处理，避免造成人力、物力的大量浪费，极大的提高工作效率，并保障操作人员的安全。Compared with the prior art, the beneficial effect of the present invention is: the present invention monitors various state signals of the vacuum oil filter in real time, and then sends them to the PLC controller for processing after being processed by the signal isolation processor, and the PLC controller The automatic control or manual control mode can deal with different conditions of the vacuum oil filter in time, avoiding a lot of waste of manpower and material resources, greatly improving work efficiency, and ensuring the safety of operators.
附图说明Description of drawings
图1是本发明的结构原理框图。Fig. 1 is a structural principle block diagram of the present invention.
具体实施方式detailed description
如图1所示的真空滤油机远程监控系统，包括PLC控制器，所述PLC控制器的输入端连接信号隔离处理器，所述信号隔离处理器的输入端连接液位传感器、温度传感器、压力传感器和流量传感器，所述PLC控制器的输出端分别连接加热器、报警器和输油泵，所述PLC控制器的输出端还通过3G模块连接通信模块，所述PLC控制器通过所述通信模块连通手机或台式计算机。The vacuum oil filter remote monitoring system shown in Figure 1 includes a PLC controller, the input end of the PLC controller is connected to a signal isolation processor, and the input end of the signal isolation processor is connected to a liquid level sensor, a temperature sensor, Pressure sensor and flow sensor, the output end of described PLC controller is respectively connected heater, alarm and oil delivery pump, and the output end of described PLC controller is also connected communication module through 3G module, and described PLC controller passes through described communication The module connects to a mobile phone or a desktop computer.
进一步地，所述通信模块包括3G、WiFi、以太网和无线传输模块，3G、WiFi、以太网与手机通信，无线传输模块与台式计算机或笔记本电脑通信。Further, the communication module includes 3G, WiFi, Ethernet and wireless transmission module, 3G, WiFi, Ethernet communicate with the mobile phone, and the wireless transmission module communicates with the desktop computer or notebook computer.
具体的工作流程为：输油泵启动后，为了使管道中充满液体，防止加热器干烧，以至于温度过高而被烧坏，设置为延时3分钟启动，当停机时，加热器先停，使得液体在管道中延时3分钟后再停机，可以使得加热器彻底冷却下来。液位传感器、温度传感器、压力传感器和流量传感器实时监测真空滤油机的各种状态，并将监测到的液位、油温、油压和流量均转换为电信号，经过信号隔离处理器送入PLC控制器进行处理，PLC控制器根据之前设置的各种参数值来确定对真空滤油机进行下一步操作，如果油温不够，则发送信息给加热器对油温进行加热，如果油温达标，则停止加热器的使用；如果液位过低，则启动输油泵进行油量的供给，如果液位过高，则停止输油泵的使用；如果油压大于设定值，则启动报警器并停止真空滤油机的运作；如果流量传感器监测到的流量值不在所设定的值范围内，则调节出油阀门，使得流量符合标准。PLC控制器可以采用自动控制和手动控制，PLC控制器通过3G模块与通信模块联系，而通信模块通过3G、WiFi或以太网与手机通信连接，通信模块通过无线传输模块与台式计算机或笔记本电脑通信连接，工作人员通过手机或电脑对PLC控制器进行控制，通过PLC控制器传输的数据对真空滤油机进行相应的处理，随时随地，安全稳定的监控现场，对真空滤油机的各种状态进行监控、调试与维护，简单方便。The specific working process is: after the oil pump is started, in order to fill the pipeline with liquid and prevent the heater from burning dry, so that the temperature is too high and burned out, it is set to start with a delay of 3 minutes. When the pump is stopped, the heater will stop first. , so that the liquid is delayed in the pipeline for 3 minutes before shutting down, which can completely cool down the heater. The liquid level sensor, temperature sensor, pressure sensor and flow sensor monitor the various states of the vacuum oil filter in real time, and convert the monitored liquid level, oil temperature, oil pressure and flow into electrical signals, which are sent to Enter the PLC controller for processing. The PLC controller determines the next operation of the vacuum oil filter according to the various parameter values set before. If the oil temperature is not enough, it will send a message to the heater to heat the oil temperature. If the oil temperature If the standard is reached, the use of the heater will be stopped; if the liquid level is too low, the oil pump will be started to supply the oil; if the liquid level is too high, the use of the oil pump will be stopped; if the oil pressure is greater than the set value, the alarm will be activated And stop the operation of the vacuum oil filter; if the flow value detected by the flow sensor is not within the set value range, adjust the oil outlet valve to make the flow meet the standard. The PLC controller can adopt automatic control and manual control. The PLC controller communicates with the communication module through the 3G module, and the communication module communicates with the mobile phone through 3G, WiFi or Ethernet, and the communication module communicates with the desktop computer or laptop through the wireless transmission module. Connection, the staff controls the PLC controller through the mobile phone or computer, and processes the vacuum oil filter through the data transmitted by the PLC controller. It is easy and convenient to monitor, debug and maintain.
综上所述，仅为本发明的较佳实施例而已，并非用来限定本发明实施的范围，凡依本发明权利要求范围所述的形状、构造、特征及精神所为的均等变化与修饰，均应包括于本发明的权利要求范围内。In summary, these are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes and modifications are made in accordance with the shape, structure, characteristics and spirit described in the scope of the claims of the present invention. , should be included in the scope of the claims of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710563528.3ACN107247441A (en) | 2017-07-12 | 2017-07-12 | Vacuum oil-filter remote monitoring system and method |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710563528.3ACN107247441A (en) | 2017-07-12 | 2017-07-12 | Vacuum oil-filter remote monitoring system and method |
| Publication Number | Publication Date |
|---|---|
| CN107247441Atrue CN107247441A (en) | 2017-10-13 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710563528.3APendingCN107247441A (en) | 2017-07-12 | 2017-07-12 | Vacuum oil-filter remote monitoring system and method |
| Country | Link |
|---|---|
| CN (1) | CN107247441A (en) |
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