Multi-channel operation state detection device for hydraulic system of ship lock valve hoist

Abstract

The utility model provides a ship lock valve hoist hydraulic system multi-channel operation state detection device which comprises a cabinet body, and the cabinet body is provided with a pressure sensor interface, a flow sensor interface, a network cable interface, a switch, a USB interface and a power socket. The cabinet body is connected with a signal detection module used for signal acquisition. The signal detection module is connected with the data acquisition and transmission module; the data acquisition and transmission module is connected with a data processing module for processing acquired data; the data processing module is connected with a display screen for displaying data, and the display screen is arranged on the cabinet body; and the data processing module is connected with a data communication interface of the original ship lock PLC control equipment and exchanges data with the original ship lock PLC control equipment. The device can detect the multi-channel operation state of the hoist hydraulic system, and has the functions of data abnormity display and multi-channel one-key calibration.

Description

Technical Field

[0001] The utility model belongs to the technical field of ship lock hydraulic system operation state detection, in particular to a multi-channel operation state detection device for a ship lock valve hoist hydraulic system. Background Art

[0002] The gate of the ship lock valve hoist operates under low speed and heavy load conditions. The gate body is subjected to wind load, surge and other effects, and is frequently opened and closed for a long time. Due to the hidden, staggered and coupled nature of the faults in the hydraulic system, faults often occur suddenly or it takes a long time to find the cause after the fault occurs. Therefore, it is an important measure to ensure the safe operation of ship lock equipment and facilities to conduct status detection of the hydraulic system to timely discover faults and conduct early warning and elimination. Utility Model Content

[0003] In order to solve the current technical problems, the main purpose of the utility model is to provide a multi-channel operating status detection device for the hydraulic system of the ship lock valve hoist. This device can detect the multi-channel operating status of the hydraulic system of the hoist, and has data abnormality display and multi-channel one-key calibration functions; the flow detection device can be quickly installed through an independently developed mold, which is suitable for real-time monitoring of the hydraulic system pipeline flow and has high detection accuracy.

[0004] In order to realize the above technical features, the purpose of the utility model is achieved as follows: a multi-channel operating state detection device for a hydraulic system of a ship lock valve hoist, comprising a cabinet, on which a pressure sensor interface, a flow sensor interface, a network cable interface, a switch, a USB interface and a power socket are provided;

[0005] The cabinet is connected to a signal detection module for signal collection;

[0006] The signal detection module is connected to the data acquisition and transmission module;

[0007] The data acquisition and transmission module is connected to a data processing module for processing the acquired data;

[0008] The data processing module is connected to a display screen for displaying data, and the display screen is arranged on the cabinet;

[0009] The data processing module is simultaneously connected to the data communication interface of the original ship lock PLC control device to exchange data.

[0010] The signal detection module includes a plurality of pressure sensors and flow sensors;

[0011] The pressure sensor is installed on the hydraulic system actuator of the original hydraulic pump station equipment to accurately collect the pressure signal of the hydraulic system actuator in real time;

[0012] The flow sensor is installed on the hydraulic system pipeline of the original hydraulic pump station equipment to accurately collect the flow signal of the hydraulic system pipeline in real time.

[0013] The hydraulic system actuator installation area includes a rod cavity area and a rodless cavity area. There are multiple pressure sensors, which are respectively arranged at different positions of the rod cavity area and the rodless cavity area.

[0014] There are also multiple flow sensors, which are respectively arranged at the outlet and inlet positions of the hydraulic system pipeline.

[0015] The data acquisition and transmission module includes a data transmission optical cable for transmitting signals of a pressure sensor and a flow sensor, and the data transmission optical cable is connected to a data acquisition system; the data acquisition and transmission module is arranged inside a cabinet, and the data acquisition system is respectively connected to a pressure sensor interface and a flow sensor interface.

[0016] The data acquisition and transmission module is used to acquire the pressure parameters and flow parameters of the hydraulic system of the original hydraulic pump station equipment;

[0017] The pressure signals collected by the multiple pressure sensors are sequentially connected to the multiple pressure channels corresponding to the data acquisition system through data transmission optical cables;

[0018] The flow signals collected by the multiple flow sensors are sequentially connected to the multiple flow channels corresponding to the data acquisition system through data transmission optical cables;

[0019] The data acquisition system sends instructions to complete the pressure and flow data collection.

[0020] The data processing module is used to compare the collected pressure parameters and flow parameters with the pressure and flow thresholds preset by the system, and then determine whether the data of the corresponding acquisition channel is normal.

[0021] The display screen is used for online monitoring and display of the pressure and flow information of the hydraulic system, and presents the results on the display screen. At the same time, it is connected to the data communication interface of the original lock PLC control device to transmit the picture to the original lock central control system in real time.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model has the functions of abnormal data display and multi-channel one-key calibration; the flow detection device can be quickly installed, is suitable for real-time monitoring of pipeline flow in hydraulic system, and has high detection accuracy.

[0024] 2. The utility model realizes interaction with the original control system and can remotely monitor the pressure and flow information of the hydraulic system online.

[0025] 3. The utility model can accurately identify the fault location by adopting multi-channel pressure and flow monitoring to improve the subsequent maintenance efficiency.

[0026] 4. The above-mentioned pressure sensor is arranged at a position that is easiest to identify pressure faults, thereby improving the accuracy of fault identification.

[0027] 5. The above-mentioned arrangement position of the flow sensor is the easiest location to identify flow faults, thereby improving the accuracy of fault identification.

[0028] 6. Data transmission can be achieved by adopting the above-mentioned data acquisition and transmission module.

[0029] 7. The above-mentioned data processing module facilitates data processing to facilitate fault diagnosis. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0031] Figure 1 The utility model device framework diagram.

[0032] Figure 2 A three-dimensional diagram of the cabinet of the utility model from the first viewing angle.

[0033] Figure 3 Three-dimensional diagram of the cabinet of the utility model from the second viewing angle.

[0034] In the figure: cabinet 1, signal detection module 2, data acquisition and transmission module 3, data processing module 4, display screen 5, original hydraulic pump station equipment 6, original ship lock PLC control equipment 7, pressure sensor interface 101, flow sensor interface 102, network cable interface 103, switch 104, USB interface 105, power socket 106;

[0035] Pressure sensor 201, flow sensor 202;

[0036] Data transmission optical cable 301, data acquisition system 302. DETAILED DESCRIPTION

[0037] The embodiments of the present utility model are further described below in conjunction with the accompanying drawings.

[0038] See also Figure 1-3A multi-channel operating status detection device for a hydraulic system of a ship lock valve hoist, comprising a cabinet 1, on which a pressure sensor interface 101, a flow sensor interface 102, a network cable interface 103, a switch 104, a USB interface 105 and a power socket 106 are provided; the cabinet 1 is connected to a signal detection module 2 for signal acquisition; the signal detection module 2 is connected to a data acquisition and transmission module 3; the data acquisition and transmission module 3 is connected to a data processing module 4 for processing the acquired data; the data processing module 4 is connected to a display screen 5 for displaying data, and the display screen 5 is arranged on the cabinet 1; the data processing module 4 is also connected to the data communication interface of an original ship lock PLC control device 7 to exchange data. By adopting the above-mentioned multi-channel operation status detection device, the status of the hydraulic system of the ship lock valve opening and closing machine can be monitored. By setting up the signal detection module 2, the pressure and flow signals of the hydraulic system can be collected in real time, and the collected data can be transmitted to the data processing module 4 by the data acquisition and transmission module 3. The data is processed by the data processing module 4 to determine whether there is a fault in the hydraulic system, and the fault location is accurately identified through the sub-channel, thereby improving the progress of fault diagnosis.

[0039] Furthermore, the signal detection module 2 includes a plurality of pressure sensors 201 and flow sensors 202; the pressure sensors 201 are installed on the hydraulic system actuators of the original hydraulic pump station equipment 6 to accurately collect the pressure signals of the hydraulic system actuators in real time. By using the pressure sensor 201 to collect the pressure of the hydraulic system actuators and comparing the pressure with the standard pressure, it is determined whether the hydraulic system actuators have faults.

[0040] Furthermore, the flow sensor 202 is installed on the hydraulic system pipeline of the original hydraulic pump station equipment 6 to accurately collect the flow signal of the hydraulic system pipeline in real time. By using the flow sensor 202 to collect the flow of the hydraulic system pipeline, it is determined whether the corresponding hydraulic pipeline has a fault through the flow change.

[0041] Furthermore, the hydraulic system actuator installation area includes a rod cavity area and a rodless cavity area, and there are multiple pressure sensors 201, which are arranged at different positions in the rod cavity area and the rodless cavity area. The arrangement position of the pressure sensor 201 is the easiest part to identify pressure faults, thereby improving the fault identification accuracy.

[0042] Furthermore, there are multiple flow sensors 202, which are respectively arranged at the outlet and inlet of the hydraulic system pipeline. The above arrangement of the flow sensors 202 is the easiest location to identify flow faults, thereby improving the fault identification accuracy.

[0043] Furthermore, the data acquisition and transmission module 3 includes a data transmission optical cable 301 for transmitting signals from the pressure sensor 201 and the flow sensor 202, and the data transmission optical cable 301 is connected to a data acquisition system 302; the data acquisition and transmission module 3 is arranged inside the cabinet 1, and the data acquisition system 302 is respectively connected to the pressure sensor interface 101 and the flow sensor interface 102.

[0044] Furthermore, the data acquisition and transmission module 3 is used to acquire the pressure parameters and flow parameters of the hydraulic system of the original hydraulic pump station equipment 6; the pressure signals acquired by the multiple pressure sensors 201 are sequentially connected to the multiple pressure channels corresponding to the data acquisition system 302 through the data transmission optical cable 301; the flow signals acquired by the multiple flow sensors 202 are sequentially connected to the multiple flow channels corresponding to the data acquisition system 302 through the data transmission optical cable 301. By adopting the above-mentioned data acquisition and transmission module 3, data transmission can be realized.

[0045] Furthermore, the data acquisition system 302 sends instructions to complete the pressure and flow data acquisition, and then the hydraulic system is tested regularly.

[0046] Furthermore, in this embodiment, the pressure signals collected by the 8 pressure sensors are connected to the 8 pressure channels of the detector in sequence through data transmission optical cables; the flow signals collected by the 6 flow sensors are connected to the 6 flow channels of the detector in sequence through data transmission optical cables; and the data acquisition system sends instructions to complete data acquisition.

[0047] Furthermore, the data processing module 4 is used to facilitate data processing in order to judge the fault. The data processing module 4 is used to compare the collected data with the data threshold preset by the system, and then judge whether the data of the corresponding acquisition channel is normal. Among them, the data comparison processing method here can be realized by simply comparing the size.

[0048] Furthermore, the display screen 5 is used to monitor and display the pressure and flow information of the hydraulic system online, and present the results on the display screen 5. At the same time, the screen is transmitted to the original ship lock central control system in real time through the data communication interface connection with the original ship lock PLC control device 7. By connecting it with the original ship lock central control system, the convenience of using the system is enhanced.

[0049] Working process and principle of this utility model:

[0050] Step 1: Arrange the pressure sensor 201 at different positions of the rod cavity area and the rodless cavity area of ​​the hydraulic system actuator, and arrange the flow sensor 202 at the outlet and inlet positions of the hydraulic system pipeline;

[0051] Step 2: Connect the pressure sensor 201 and the flow sensor 202 to the pressure sensor interface 101 and the flow sensor interface 102 of the cabinet 1 respectively, and connect the multi-channel operation status detection device to the original ship lock central control system through the Ethernet data communication interface;

[0052] Step 3: Start the multi-channel operation status detection device, check each channel of pressure and flow, check and handle the channels or sensors with faults, and finally set the parameters of the sensors;

[0053] Step 4: Calibrate each channel data:

[0054] Before data collection, each channel needs to be calibrated, including pressure sensor channel calibration and flow sensor channel calibration;

[0055] Step 5: The data acquisition system 302 sends a command to start data acquisition. The pressure sensor 201 and the flow sensor 202 transmit the monitored pressure and flow signals to the data processing module 4 through the data transmission optical cable 301. The data processing module 4 compares the collected data with the data threshold preset by the system, and then determines whether the data of the corresponding acquisition channel is normal;

[0056] Step 6, present the result on the display screen 5 through the display screen 5, and at the same time transmit the picture to the original ship lock central control system in real time through the data communication interface connected with the original ship lock PLC control device 7.

Claims

1. A multi-channel operating status detection device for the hydraulic system of a ship lock valve hoist, characterized in that: The cabinet (1) comprises a pressure sensor interface (101), a flow sensor interface (102), a network cable interface (103), a switch (104), a USB interface (105) and a power socket (106); The cabinet (1) is connected to a signal detection module (2) for signal collection; The signal detection module (2) is connected to the data acquisition and transmission module (3); The data acquisition and transmission module (3) is connected to a data processing module (4) for processing the acquired data; The data processing module (4) is connected to a display screen (5) for displaying data, and the display screen (5) is arranged on the cabinet (1); The data processing module (4) is simultaneously connected to the data communication interface of the original ship lock PLC control device (7) to exchange data.

2. According to claim 1, a multi-channel operating status detection device for a hydraulic system of a ship lock valve hoist, characterized in that: The signal detection module (2) comprises a plurality of pressure sensors (201) and flow sensors (202); The pressure sensor (201) is installed on the hydraulic system actuator of the original hydraulic pump station equipment (6) to accurately collect the pressure signal of the hydraulic system actuator in real time; The flow sensor (202) is installed on the hydraulic system pipeline of the original hydraulic pump station equipment (6) to accurately collect the flow signal of the hydraulic system pipeline in real time.

3. According to claim 2, a multi-channel operating status detection device for a hydraulic system of a ship lock valve hoist, characterized in that: The hydraulic system actuator installation area includes a rod cavity area and a rodless cavity area, and there are a plurality of pressure sensors (201), which are respectively arranged at different positions in the rod cavity area and the rodless cavity area.

4. According to claim 3, a multi-channel operating status detection device for a hydraulic system of a ship lock valve hoist, characterized in that: There are also multiple flow sensors (202), which are respectively arranged at the outlet and inlet positions of the hydraulic system pipeline.

5. According to claim 4, a multi-channel operating status detection device for a hydraulic system of a ship lock valve hoist, characterized in that: The data acquisition and transmission module (3) comprises a data transmission optical cable (301) for transmitting signals from the pressure sensor (201) and the flow sensor (202), and the data transmission optical cable (301) is connected to a data acquisition system (302); the data acquisition and transmission module (3) is arranged inside the cabinet (1), and the data acquisition system (302) is respectively connected to the pressure sensor interface (101) and the flow sensor interface (102).

6. According to claim 5, a multi-channel operating status detection device for a hydraulic system of a ship lock valve hoist, characterized in that: The data acquisition and transmission module (3) is used to acquire pressure parameters and flow parameters of the hydraulic system of the original hydraulic pump station equipment (6); The pressure signals collected by the multiple pressure sensors (201) are sequentially connected to the multiple pressure channels corresponding to the data collection system (302) via the data transmission optical cable (301); The flow signals collected by the multiple flow sensors (202) are sequentially connected to the multiple flow channels corresponding to the data collection system (302) via the data transmission optical cable (301); The data acquisition system (302) sends instructions to complete the pressure and flow data acquisition.

7. According to claim 6, a multi-channel operating state detection device for a hydraulic system of a ship lock valve hoist, characterized in that: The data processing module (4) is used to compare the collected pressure parameters and flow parameters with the pressure and flow thresholds preset by the system, and then determine whether the data of the corresponding acquisition channel is normal.

8. According to claim 7, a multi-channel operating status detection device for a hydraulic system of a ship lock valve hoist is characterized in that: The display screen (5) is used to monitor and display the pressure and flow information of the hydraulic system online, and present the results on the display screen (5). At the same time, the screen is transmitted to the original ship lock central control system in real time through a data communication interface connected to the original ship lock PLC control device (7).

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