A pneumatic diaphragm valve and a gas circuit fault remote monitoring system and a monitoring method thereof

Abstract

The application provides a kind of pneumatic diaphragm valve and gas path fault remote monitoring system and its remote monitoring method, the monitoring system includes liquid material system controller, output module, weighing module, host computer, monitoring system controller, gas metering module, network module and remote monitoring module;Liquid material system controller is used to control the overall control of the liquid material system of farm, output module is connected with liquid material system controller, weighing module is connected with liquid material system controller, the host computer is connected with liquid material system controller by communication bus, monitoring system controller is connected with liquid material system controller, the gas metering module is connected with monitoring system controller, the remote monitoring module is connected with network module, the network module is connected with monitoring system controller.The application can quickly locate the fault valve, improve efficiency.

Description

Technical Field

[0001] This invention relates to the field of poultry and livestock breeding equipment technology, specifically to a pneumatic diaphragm valve and a remote monitoring system and method for air circuit faults. Background Technology

[0002] In factory applications, pneumatic components are numerous and widely used. The failure rate of pneumatic valves directly impacts factory production. Taking liquid feed systems in pig farms as an example, a large number of pneumatic diaphragm valves are used, and the accuracy of liquid feed dispensing in pig farms is closely related to the quality of these valves. Because the number of farm workers involved in liquid feed systems is relatively small, early detection and troubleshooting of valve failures is difficult and time-consuming. Summary of the Invention

[0003] This invention provides a remote monitoring system and method for pneumatic diaphragm valves and air circuit faults, which can quickly locate faulty valves and improve efficiency.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A remote monitoring system for pneumatic diaphragm valve and gas circuit faults, the monitoring system includes a liquid material system controller, an output module, a weighing module, a host computer, a monitoring system controller, a gas metering module, a network module, and a remote monitoring module;

[0006] A liquid feed system controller is used to control the liquid feed system in a farm. The output module is connected to the liquid feed system controller and is used to provide power output to the liquid feed system controller.

[0007] The weighing module is connected to the liquid material system controller and is used to acquire, tare, calibrate, and preprocess weighing data in the liquid material system and provide the obtained data to the liquid material system controller. The host computer is connected to the liquid material system controller through a communication bus and is used to control the liquid material system controller.

[0008] The monitoring system controller is connected to the liquid material system controller and is used to monitor the data acquisition, analysis and transmission functions of the gas path of the liquid material system. The gas metering module is connected to the monitoring system controller and is used to measure the flow rate of gas in the gas path of the liquid material system. The remote monitoring module is connected to the network module and is used to remotely monitor the status of the gas path and weighing in the liquid material system. The network module is connected to the monitoring system controller and is used to transmit the information acquired by the monitoring controller to the remote monitoring module.

[0009] Preferably, the output module includes a pneumatic valve and a conveying motor placed within the liquid material system.

[0010] Preferably, the weighing module is a controller for the weighing sensor and a weighing sensor.

[0011] Preferably, the gas metering module is a gas flow meter.

[0012] A monitoring method for a remote monitoring system for pneumatic diaphragm valves and air circuit faults is also disclosed. Based on the remote monitoring system for pneumatic diaphragm valves and air circuit faults described in claims 1-4, the monitoring method includes the following steps:

[0013] A. Set the gas metering module at the gas source outlet of the liquid material system, and design the monitoring system controller to periodically scan the gas metering module. If there is a leak in the liquid material system pipeline, even when the liquid material system is not operating, the gas metering module will still have gas flowing through it in an amount exceeding the threshold, which can indicate that there is a leak in the liquid material system.

[0014] B. Using the monitoring system controller, the solenoid valves equipped with each valve in the liquid material system are controlled via the communication bus or host computer through the liquid material system controller to stop the gas supply to all valves, and the gas path is measured again for a period of time to determine whether the gas flow exceeds the threshold amount. This can determine whether the leakage of the liquid material system is in the pipeline or in the valve. If the fault is in the valve, then the next step is to make a judgment.

[0015] C. Using the monitoring system controller, each valve of the liquid material system is opened sequentially via the communication bus or host computer through the liquid material system controller, and a period of time is waited. During this period, the gas flow in the gas metering module is monitored. If more than the threshold amount of gas flows through the gas path during the waiting time after opening a certain valve, it can be determined that the valve has a leakage fault.

[0016] D. When the material is pumped out at the discharge port valve in a time-sharing manner, the weighing module monitors in real time whether the rate at which the liquid material decreases during the discharge is greater than the set threshold. If it is greater than the set threshold, it can be determined that there is a leak in the liquid pipeline or valve.

[0017] E. By monitoring the liquid material system in real time through the gas metering module, when the valve is closed after the material discharge is completed, if the amount of gas consumed to close the valve is less than the set threshold, it is determined that the valve is not completely closed or not tightly closed, and ultimately it can be determined that there is a liquid pipeline leakage fault at the valve.

[0018] Compared with the prior art, the beneficial effect of the present invention is that the pneumatic diaphragm valve and the remote monitoring system for air circuit faults can monitor the specific situation of the liquid feed system in the farm in real time, and adjust the liquid feed system according to the actual data obtained, and quickly find the fault point. Specifically, in the air circuit of the liquid feed system, a gas flow meter is installed in the air circuit on the gas source outlet side and the flow data is collected to the monitoring system controller. By monitoring the gas flow in the air circuit in real time and the data of the weighing device when the liquid feed system is in operation, alarm basis is provided for fault monitoring, so as to achieve efficient fault point determination. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the liquid material system structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the pneumatic diaphragm valve and remote monitoring system for air circuit faults according to the present invention. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0022] It should be noted that when a component / part is referred to as being "set on" another component / part, it can be directly set on the other component / part or there may be an intervening component / part. When a component / part is referred to as being "connected / linked" to another component / part, it can be directly connected / linked to the other component / part or there may be an intervening component / part. The term "connected / linked" as used herein can include electrical and / or mechanical physical connections / links. The term "including / comprises" as used herein means the presence of a feature, step, or component / part, but does not exclude the presence or addition of one or more other features, steps, or components / parts. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application.

[0024] A remote monitoring system for pneumatic diaphragm valve and gas circuit faults, the monitoring system includes a liquid material system controller, an output module, a weighing module, a host computer, a monitoring system controller, a gas metering module, a network module, and a remote monitoring module;

[0025] The liquid feed system controller is used for overall control of the liquid feed system in the farm. The output module is connected to the liquid feed system controller to provide power output to the liquid feed system controller.

[0026] The weighing module is connected to the liquid material system controller and is used to acquire, tare, calibrate, and preprocess weighing data in the liquid material system, and provide the obtained data to the liquid material system controller. The host computer is connected to the liquid material system controller through a communication bus and is used to control the liquid material system controller.

[0027] The monitoring system controller is connected to the liquid material system controller and is used to monitor the data acquisition, analysis and transmission functions of the gas path of the liquid material system. The gas metering module is connected to the monitoring system controller and is used to measure the flow rate of gas in the gas path of the liquid material system. The remote monitoring module is connected to the network module and is used to remotely monitor the status of the gas path and weighing in the liquid material system. The network module is connected to the monitoring system controller and is used to transmit the information acquired by the monitoring controller to the remote monitoring module.

[0028] The output module includes a pneumatic valve and a conveying motor located within the liquid material system. The weighing module consists of a controller for the weighing sensor and the weighing sensor itself. The gas metering module is a gas flow meter.

[0029] The specific working principle is as follows: The monitoring system controller sends relevant request commands to the liquid material system controller via the communication bus. These requests include the required actions to be detected, such as acquiring and transmitting weight data, valve actions, and control of the conveyor motor. Upon receiving the commands, the liquid material system controller can acquire and transmit weight data, output valve actions, and control the conveyor motor.

[0030] A monitoring method for a pneumatic diaphragm valve and a remote monitoring system for air circuit faults is also disclosed. Based on the pneumatic diaphragm valve and the remote monitoring system for air circuit faults, combined with a liquid material system, the monitoring method includes the following steps (in the figure, 2, 3, 4, 6, 7, and 8 are the discharge valves of the liquid material system, 1 and 5 are the control valves of the liquid material system, and 9 and 10 are the circuits of the liquid material system):

[0031] A. When the liquid feed system is not being used after installation, the gas path is in a pneumatic state. The gas flow meter is properly set at the gas source outlet. The system controller periodically scans the gas flow meter to detect the gas volume. If there is a leak in the gas path of the liquid feed system, the gas flow meter will still have more gas than the threshold flow even when the liquid feed system is not in operation. This is the first judgment. At this time, it can be determined that there is a leak in the gas path of the system, but it is not yet known where the gas path of the liquid feed system is leaking.

[0032] B. Subsequently, the monitoring system controller uses the communication bus to control the solenoid valves equipped with each valve in the liquid material system to stop the gas supply to all valves, and measures again whether there is gas flowing through the gas path exceeding the threshold amount within a certain period of time. This is the second judgment. At this time, it can be determined whether the system leak is in the pipeline or in the valve. If the fault is in the valve, then the third judgment is performed.

[0033] C. By monitoring the system controller and communicating with the liquid material system controller via the communication bus, each valve of the liquid material system is opened sequentially and a period of time is waited. During this period, the gas flow rate in the gas flow meter is monitored. If more than the threshold amount of gas flows through the gas path during the waiting period after opening a certain valve, it can be determined that the valve has a leakage fault.

[0034] D. In daily monitoring, when pumping material at valves 2, 3, 4, 6, 7, and 8 of the liquid material system, if a leak occurs at a certain discharge port, the following phenomenon may occur: when pumping material to a certain discharge port, if the rate at which the liquid material decreases is greater than a certain threshold, the system can determine that there is a leak in the liquid pipeline or valve.

[0035] E. In daily monitoring, when pumping material at valves 2, 3, 4, 6, 7, and 8 of the liquid material system, if a leak occurs at a certain discharge port, the following phenomenon may occur: when pumping material to a certain discharge port is completed and the valve is closed, the amount of gas consumed by the closure is less than a certain threshold, as detected by the gas flow meter. In this case, it can be determined that the valve is not completely closed or not tightly closed, and thus a liquid pipeline leak fault can be identified at that valve.

[0036] This invention utilizes a pneumatic diaphragm valve and a remote monitoring system for air circuit faults to monitor the specific conditions of the liquid feed system in a farm in real time. Based on the actual data obtained, the system can be adjusted and fault points can be quickly identified. Specifically, a gas flow meter is installed in the air circuit on the gas source outlet side of the liquid feed system, and the flow data is collected and sent to the monitoring system controller. By monitoring the gas flow in the air circuit in real time and the data from the weighing device when the liquid feed system is activated, alarms are provided for fault monitoring, enabling efficient fault point determination.

[0037] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A monitoring method for a remote monitoring system for pneumatic diaphragm valves and pneumatic circuit faults, characterized in that, The monitoring method includes a monitoring system, which includes a liquid material system controller, an output module, a weighing module, a host computer, a monitoring system controller, a gas metering module, a network module, and a remote monitoring module. A liquid feed system controller is used for overall control of the liquid feed system in a farm. The output module is connected to the liquid feed system controller and is used to provide power output to the liquid feed system controller. The weighing module is connected to the liquid material system controller and is used to acquire, tare, calibrate, and preprocess weighing data in the liquid material system and provide the obtained data to the liquid material system controller. The host computer is connected to the liquid material system controller through a communication bus and is used to control the liquid material system controller. The monitoring system controller is connected to the liquid material system controller and is used to monitor the data acquisition, analysis and transmission functions of the gas path of the liquid material system. The gas metering module is connected to the monitoring system controller and is used to measure the flow rate of gas in the gas path of the liquid material system. The remote monitoring module is connected to the network module and is used to remotely monitor the status of the gas path and weighing in the liquid material system. The network module is connected to the monitoring system controller and is used to transmit the information acquired by the monitoring system controller to the remote monitoring module. Based on the monitoring system, the monitoring method includes the following steps: The gas metering module is set at the gas source outlet of the liquid material system. The monitoring system controller periodically obtains the gas volume of the gas metering module. If there is a leak in the gas pipeline of the liquid material system, even when the liquid material system is not operating, the gas metering module will still have gas flowing through it in an amount exceeding the threshold, which can indicate that there is a leak in the gas pipeline of the liquid material system. The monitoring system controller uses a communication bus to control the solenoid valves of each valve in the liquid material system to stop the gas supply to all valves. It then measures whether there is a gas flow exceeding the threshold within a certain period of time. This can determine whether the leak in the liquid material system is in the pipeline or in the valve. If the fault is in the valve, then further judgment is made. The monitoring system controller uses a communication bus to sequentially open each valve of the liquid material system through the liquid material system controller and waits for a period of time. During this period, the gas flow rate in the gas metering module is monitored. If more than the threshold amount of gas flows through the gas path during the waiting time after opening a certain valve, it can be determined that the valve has a leakage fault. When the discharge valve pumps material in a timed manner, the weighing module monitors in real time whether the rate at which the liquid material decreases during discharge is greater than a set threshold. If it is greater than the set threshold, it can be determined that there is a leak in the liquid pipeline or valve. E. By monitoring the liquid material system in real time through the gas metering module, when the valve is closed after the material discharge is completed, if the amount of gas consumed to close the valve is less than the set threshold, it is determined that the valve is not completely closed or not tightly closed, and ultimately it can be determined that there is a liquid pipeline leakage fault at the valve.

2. The monitoring method of the remote monitoring system for pneumatic diaphragm valves and air circuit faults according to claim 1, characterized in that, The output module includes a pneumatic valve and a conveying motor placed within the liquid material system.

3. The monitoring method of the remote monitoring system for pneumatic diaphragm valves and air circuit faults according to claim 2, characterized in that, The weighing module consists of a controller for the weighing sensor and the weighing sensor itself.

4. The monitoring method of the remote monitoring system for pneumatic diaphragm valves and air circuit faults according to claim 3, characterized in that, The gas metering module is a gas flow meter.

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